3G
ONIDA
SERVICE MANUAL
COLOUR TELEVISION
14XS / 20XS / 21IQ
14TVE / 20TVE / 21TVE
21BLACK FGL (FTG)
BASIC CHASSIS
3G(UE-DLX)
CONTENTS
•
•
•
FEATURES
ADJUSTMENT MANUAL
STANDARD CIRCUIT DIAGRAM
COPYRIGHT  OCT’2003 MIRC ELECTRONICS LTD., MUMBAI.
1
SPECIFICATIONS
• Type
• Receiving System
•
•
•
•
:
:
Colour Television Receiver
PAL - BG or
PAL - BG/I or
PAL - BG/H, SECAM - BG/DK/K1
NTSC Playback (IN AV MODE)
Channel Coverage : VHF (Low) : Channel 2 to 4
VHF (High) : Channel 5 to 12
UHF
: Channel 21 to 69
CATV (Middle): X-Z+2 S1-S10
CATV (Super) :
S11-S20
CATV (Hyper) :
S21-S41
Aerial Input Impedance : 75 ohms unbalanced
Power input
Rated Voltage
: 230V AC, 50/60 Hz
A/V Terminal connections
Line Input
– Video : 1 Vp-p, 75 ohms (RCA Pin Jack)
– Audio : 500 mV rms (-4dBs) High
impedance RCA Pin Jack
Line Output
– Video : 1 Vp-p, 75 ohms (RCA Pin Jack)
– Audio : 500 mV rms (-4 dBs) High
impedance RCA Pin Jack
14TVE 14XS
• Power Consumption 70 W
• Picture Tube
14”
(36 cm)
• Audio output
W PMPO
120
• Dimensions
Width (mm)
Height (mm)
Depth (mm)
• Weight (Approx.)
• Accessories
14 Profile 20TVE 20XS
21TVE 20 Profile 21IQ
21 Profile 21FGL
65W 70W 80 W 80W 90 W 85 W 90W 90 W 95 W
14”
14”
20”
20”
21”
20”
21”
21”
21”
(36 cm) (36 cm) (51 cm) (51 cm) (53 cm) (51 cm) (53 cm) (53cm) (53cm)
60
120
200
100
200
200
120
200
200
390
322
376
365
365
405
373
367
385
547
444
470
506
469
470
553
458
477
504
469
467
553
458
477
632
460
477
596
465
481
11 kg
10kg
10kg
20 kg
19kg
23 kg
19 kg
23kg
23 kg
26 kg
:
Remote control,
AA size Dry cell battery x 2 Units
Design & specifications subject to change without notice
1-A
FEATURES:
14XS –
•
•
•
•
•
•
•
•
•
•
•
250 PROGRAMS
60W PMPO
DIGINET
HALF MUTE
BLACK STRETCH
CHILD SAFE
DIGITAL CLOCK
ZAP
MUSIC MODE
GAMES
MONO 2 SPK
20XS –
•
•
•
•
•
•
•
•
•
•
•
250 PROGRAMS
100W PMPO
DIGINET
HALF MUTE
BLACK STRETCH
CHILD SAFE
DIGITAL CLOCK
ZAP
MUSIC MODE
GAMES
MONO 2 SPK
21IQ –
•
•
•
•
•
•
•
•
•
•
•
250 PROGRAMS
120W PMPO
DIGINET
HALF MUTE
BLACK STRETCH
CHILD SAFE
DIGITAL CLOCK
ZAP
MUSIC MODE
GAMES
MONO 2 SPK
2
14TVE –
•
•
•
•
•
•
•
•
•
•
•
250 PROGRAMS
CHILD SAFE
ZAP
AUDIO STATUS MEMORY
120 W PMPO
CHANNEL LOCK
MUSIC MODE
DIGITAL EYE
BASS / TREBLE / BALANCE
GAMES
STEREO PLAYBACK
20TVE –
•
•
•
•
•
•
•
•
•
•
•
250 PROGRAMS
CHILD SAFE
ZAP
AUDIO STATUS MEMORY
200 W PMPO
CHANNEL LOCK
MUSIC MODE
DIGITAL EYE
BASS / TREBLE / BALANCE
GAMES
STEREO PLAYBACK
21TVE –
•
•
•
•
•
•
•
•
•
•
•
250 PROGRAMS
CHILD SAFE
ZAP
AUDIO STATUS MEMORY
200 W PMPO
CHANNEL LOCK
MUSIC MODE
DIGITAL EYE
BASS / TREBLE / BALANCE
GAMES
STEREO PLAYBACK
3
21BLACK FGL (FTG) –
•
•
•
•
•
•
•
•
•
•
•
•
•
FLAT SCREEN
250 PROGRAMS
CHILD SAFE
ZAP
AUDIO STATUS MEMORY
200 W PMPO
DIGINET
CHANNEL LOCK
MUSIC MODE
DIGITAL EYE
BASS / TREBLE / BALANCE
GAMES
DIGITAL CLOCK
4
ADJUSTMENT MANUAL
3G (UE-DLX) CHASSIS
NO.
MODEL NAME
1. 14XS, 14TVE
2. 20XS, 20TVE
3. 21IQ, 21TVE
4. 21FLAT3G
NOTE :
A) Digits specified for the various parameters (not specified as FIX)
are closer to the values to be adjusted. The final adjustment
should be as per the procedure specified.
B) Digits mentioned in the Service Menu should not be changed
wherever ‘Fix’ is mentioned, elsewhere they are subject to
change as per procedure specified.
DATE
APPROVED BY
5
CHECKED BY
ISSUED
ADJUSTMENT MANUAL
3G (UE-DLX) CHASSIS
INDEX
.No.
Particulars
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Service Menu
Center Values/VSM Presets/SSM PRESETS
VCO Adjustment
Low light Adjustment
High light Adjustment
Bright Adjustment
Contrast Adjustment
Colour Adjustment (PAL)
Tint Adjustment(NTSC)
Focus Adjustment
Vertical Size Adj.
Vertical Centering
Horizontal Centering
RFAGC Adjustment
High Voltage Confirmation
6
Adjustment Manual
Service menu
Adj.Process
3G(UE-DLX)
Model
ALL
[1] The following display comes on the screen by pressing DISPLAY key
and VSM key at the same time.
FACTORY
SERVICE MODE
Then, press CURSOR UP OR DOWN key to be in Service menu.
To select Service Menu parameters use CURSOR UP OR DOWN
key and to adjust these parameters use CURSOR LEFT OR
RIGHT key
H-LINE
1)
2)
3)
4)
To get H-line press VSM and DISPLAY Simultaneously.
Press CURSOR UP KEY to get R CUTOFF.
Press '0' to get H-line.
To come out of H-line again press '0'.
VSM PRESET
There are FOUR VSM
PRESETS.(CARTOON,FILM/POP,NEWS,)
For the setting of individual VSM PRESETS
1. Press VSM and DISPLAY at the same time.
2. Press CURSOR DOWN key to get the Setting for the
VSM PRESET.
3. Press CURSOR DOWN key for the selection of each
parameter.
4. Use CURSOR LEFT/RIGHT key for their setting as per
the table given below.
5. Press VSM Key for selection of VSM PRESETS.
7
VSM
CARTOON
NEWS
SPORTS
FILM/POP
BRI
25
32
25
48
CONT
25
60
50
60
COLR
32
39
30
52
SHRP
32
48
42
63
TINT
32
32
32
32
DIGITAL
EYE
STAGE1
STAGE2
STAGE3
STAGE4
STAGE5
15
17
20
25
32
25
35
40
50
55
26
32
32
32
32
32
32
32
32
32
32
32
32
32
32
SSM
CARTOON
NEWS
SPORTS
FILM/POP
BASS
08
12
12
16
TREBBLE
08
08
12
16
8
Adjustment Manual
Service menu
Adj.Process
3G(UE-DLX)
Model
PARAMETER
ALL
CENTER VALUE’S
75 *
75 *
75 *
43 *
43 *
17 *
0A *
10(FIX)
10(FIX)
70 *
10FIX
10 FIX
15 *
33 *
55 *
02 *
07 *
08 *
56 *
7F Fix
00 Fix
00 Fix
03 *
09 *
07 Fix
05 Fix
05 Fix
07 Fix
0F Fix
0F Fix
01 Fix
01 Fix
01 Fix
01 Fix
01 Fix
05 Fix
01 Fix (00 FOR SECAM)
01Fix
01FIX
00 FIX
00FIX
10 FIX
10 FIX
00 FIX
01 FIX
01 FIX
00 Fix
R CUTOFF
G CUTOFF
B CUTOFF
R DRIVE
B DRIVE
SUB CONTRAST
SUB COLOR
SUB BASS
SUB TREBLE
SUB BRIGHT
SUB BASS
SUB TREBLE
SUB TINT
VERTICAL SIZE
ZOOM SIZE
VERTICAL POS
H- CENTER 50
H- CENTER 60
RF AGC
VCO
D TRAP
F TRAP
HR
CV
DT PAL
DT SECAM
DT NTSC
DT BW
AV TINT
AV SHARPNESS
B,G
I
D,K,K1
SECAM
N3.58
VIDEO GAIN
BGPSW
BPF
STEREO
POWER BASS
SURROUND
SOFT TONE
GLOWING TONE
SOUND CURVE
DIGITAL EYE
SPRITE
WHITEBACK
9
Adjustment Manual
I2 C
Item
VCO Adjustment
Adj.Process 2AL
3G(UE-DLX)
Model
ALL
Measuring * SG (Signal Generator)
Equipment * Digital multimeter
* CRO
Preparation
before Adj.
Adjustment
Procedure
1)
2)
3)
4)
5)
Switch ON the TV Set.
Select colour bar pattern {carrier frequency
of 38.9MHz} from pattern generator.
Connect this signal to the input of Saw
Filter(after disconnecting IF output of
Tuner)
Connect Digital Multimeter to AFC
out(pin no. 2 of VCD IC52771, IC201)
Adjust VCO coil in such a way that
Digital Multimeter shows 4V(sudden
change in voltage reading from 8V)
This voltage should be adjusted whenever
there is sudden fall from 8V to 1V as
shown
NOTE
* use non-metallic adjustment tool (eg~ceramic) for adjustment.
* Correct AFT voltage alignment can be confirmed by monitoring
proper waveform at pin no. 38 of VCDIC 52771 IC no. 201./CRO
can be also connected to Video OUT terminal.
8V
10
Item
Adjustment Manual
I2 C
Low light Adjustment Adj.Process 2AL
3G(UE-DLX)
Model
ALL
Measuring
Equipment
Preparation * Warm up the receiver for more than 30 minutes.
before Adj.
Adjustment
Procedure
1)
2)
Receive the monoscope pattern signal .
Select either R CUTOFF , G CUTOFF
B CUTOFF in the Service menu.
4) Push 0 key on any mode to make a
horizontal line.
5) Turn the screen knob (the Bottom of FBT)
gradually from fully left to the right &
search for the first appearing colour.
6) Adjust two colours except for the first
colour which appears by the adjustment 5)
to the white colour with the following 1~ 6
key.
7) Turn the screen knob so that a horizontal
line appear slightly.
8) Change the normal screen by pushing 0
key again.
9) Receive the pedestal pattern signal
10) Readjust the Colour of the pattern to white
colour
by
varying
1~
6
11
Adjustment Manual
I2 C
Item
High light Adjustment Adj.Process 2AL
3G(UE-DLX)
Model
ALL
Measuring * Colour Analyzer
Equipment
Preparation * Warm up the receiver for more than 30 minutes.
before Adj. * The low light adjustment should be done in advance.
Adjustment
Procedure
1)
2)
3)
4)
Receive the monoscope pattern signal .
Select R-DRIVE &/OR B DRIVE in the
Service Menu.
Adjust R-DRIVE & B-DRIVE so that the
white balance is at the directed value
(Adjustment point “A”).
Check if the tracking of white balance
from Low light till High light is good.
Model
ALL
5)
6)
7)
Adjustment point A
Colour temperature
X
9300° K
0.290
Receive the pedestal pattern signal .
Check if the white balance of low light is
good. If the white balance of the low light
is not good, adjust the low light again.
Receive the monoscope pattern signal.
Repeat step (4) onwards till perfect white
balance is achieved in low light and high
light paterns.
12
Y
0.291
Item
Adjustment Manual
I2 C
Bright Adjustment
Adj.Process 2AL
3G(UE-DLX)
Model
ALL
Measuring
Equipment
Preparation * Warm up the receiver for more than 30 minutes.
before Adj. * The low light & high light adjustment should be done in
advance.
Adjustment
Procedure
1)
2)
3)
Receive the Black pedestal pattern signal .
Select Sub Bright in the Service Menu.
Adjust the Sub Bright so that the point of
below table gradation value does not shine.
Model
14/20/21"
Adj.Point
0%
Note :
While entering in Service Menu ,by default it takes the values of
VSM cartoon, hence the above parameter is adjusted with respect to
cartoon
condition.
13
Adjustment Manual
I2 C
Item
Contrast Adjustment Adj.Process 2AL
3G(UE-DLX)
Model
ALL
Measuring * Oscilloscope
Equipment
Preparation * Warm up the receiver for more than 30 minutes.
before Adj.
Adjustment
Procedure
1)
2)
3)
4)
Receive the Black pedestal pattern signal.
Connect the probe of the oscillocsope to.
green catthode.
Select Sub Contrast in the Service
Menu.
Adjust it so that the value between the dot
line & white peak of the signal waveform
as mentioned below to be the directed
voltage as mentioned in the Table below.
Model
14"
20/21”
Adj.Point
70V
80V
Note :
While entering in Service Menu ,by default it takes the values of
VSM-cartoon,hence the above parameter is adjusted with respect to
cartoon
condition.
14
Adjustment Manual
I2 C
Item
Colour Adjustment (PAL) Adj.Process 2AL
3G(UE-DLX)
Model
ALL
Measuring * Oscilloscope
Equipment
Preparation * Warm up the receiver for more than 30 minutes.
before Adj. * Adjust the PICTURE MODE to [DYNAMIC] mode.
Adjustment
1)
2)
3)
4)
Receive the PAL colour bar pattern signal .
Connect the probe of the oscilloscope to
green cathode.
Select Sub color in the Service Menu.
Adjust the Sub color so that the value
between the white peak & blue as per
below table.
Model
Adj.Point
14/20/21”
+3V
Note: While entering in the SERVICE MENU by default it takes the
value of VSM cartoon, hence the above parameter is adjusted with
respect to cartoon condition.
15
Adjustment Manual
I2 C
Item
Colour Tint Adjustment Adj.Process 2AL
(NTSC3.58,NTSC4.43)
3G(UE-DLX)
Model
ALL
Measuring * Oscilloscope
Equipment
Preparation * Warm up the receiver for more than 30 minutes.
before Adj. * Adjust the PICTURE MODE to [DYNAMIC] mode.
Adjustment
1)
Procedure
2)
3)
Connect the NTSC Video Colour bar
pattern signal
(White 75%) to Video input Terminal.
Connect the probe of the oscilloscope to
BLUE CATHODE.
Adjust the Sub Tint so that the value
between the white peak and Magenta is
as per the table shown below.
Model
Adj.point
14/20/21”
(TINT)
+5V
Note: While entering in the SERVICE MENU by default it takes the
value of VSM cartoon ,hence the above parameter is adjusted with
respect to cartoon condition.
16
Adju stment Manual
I2 C
Item
Focus Adjustment
Adj.Process 2AL
3G(UE-DLX)
Model
ALL
Measuring
Equipment
Preparation * Adjustment of Brightness & Contrast should be done in
before Adj.
advance.
Adjustment
Procedure
1)
Receive the monoscope pattern signal .
Turn the focus control knob clockwise and
anticlockwise (on FBT) watching the
screen & adjust it so as to get good, clear
and
Focused
picture.
17
Item
Adjustment Manual
Vertical Size Adj.
Adj.Process 2AL
3G(UE-DLX)
Model
ALL
Measuring
Equipment
Preparation
before Adj.
Adjustment
1)
Receive the monoscope pattern signal.
Procedure
2)
Select Vertical Size in the Service
menu.
Adjust Vertical Size by varying cursor
left/right keys to get 92% of picture size.
When both up & down lines are located
within the 88% ~ 96% range of the
standard lines on the monoscope pattern
signal,
it
is
OK.
3)
18
Item
Adjustment Manual
I2 C
Vertical Centering
Adj.Process 2AL
3G(UE-DLX)
Model
ALL
Measuring
Equipment
Preparation
before Adj.
Adjustment
Procedure
1)
2)
Receive the monoscope pattern signal.
Select Vertical Pos. option in the
Service menu Adjust Vertical Pos using
cursor left/right in such a way that the
centre of monoscope to be the nearest
position
of
CRT
centre
line.
19
Item
Adjustment Manual
Horizontal Centering Adj.Process
3G(UE-DLX)
Model
I2 C
2AL
ALL
Measuring
Equipment
Preparation
before Adj.
Adjustment
Procedure
1)
2)
3)
4)
5)
Receive the monoscope pattern signal.
Select H-Center 50 in Service Menu.
Adjust it so that H & H’ becomes equal as
shown below . There is a separate Hcentering for AV mode(50 Hz) also.The
same can be adjusted
in AV mode
also.
Connect the monoscope pattern signal
(60Hz) to Video input terminal.
Select H-Center 60 in Service Menu
adjust it so that H & H’ becomes equal as
shown below.
20
Adjustment Manual
I2 C
Item
RFAGC Adjustment Adj.Process 2AL
3G(UE-DLX)
Model
ALL
Measuring Multimeter
Equipment
Preparation
before Adj.
Adjustment
Procedure
Method 1
1) Switch ON the TV set
2) Apply RF Input to tuner and select color
bar pattern.
3) For Philips 5V tuner , input signal shoud be
60dbuV For Samsung 5V tuner input
signal shoud be 70dbuV
4) Connect the multimeter to TP.AGC on
main board near tuner
5) Adjust RFAGC till the voltage is 4Vdc
Method 2
1) Receive the PAL colour bar pattern signal
(Input level is 75dBµV term)
2) Adjust RF AGC so that Noise is min, on
picture or VIDEO OUT.
3) Receive the PAL halfcolour bar pattern
signal
(Input level is 80dBµV term)
4) Make sure that there is no beat on the
picture.
21
Adjustment Manual
Item
High Voltage
Adj.Process 2AL
Confirmation
3G(UE-DLX)
Model
ALL
Measuring * High Voltage meter
Equipment
Preparation * Warm up the set sufficiently before adjustment.
before Adj.
Adjustment
Procedure
DON’T
SWITCH OFF THE SET
SWITCH ON THE TV SET. /
1)
Connect the earth clip of the high
voltmeter to the chassis.
2)
Connect the probe of High Voltage meter
to the anode of the CRT.
3)
Switch ON the Set & receive the
monoscope signal
and check for the High Voltage meter
reading is as per the table given below.
MODEL
LOWER LIMIT
STANDARD
UPPER LIMIT
14"
20"
22KV
25 KV
23KV
26 KV
24KV
28 KV
4)
Disconnect the probe side first & next the
earth side.
NOTE : Electrostatic type of the high voltmeter
should be used as the measuring
apparatus.
However when a high voltmeter with
1000MΩ input resistance is used, the
value should be read 0.3kV lower than
the measured value.
22
A
C
B
D
E
F
G
H
TU001
AGC
/
TECC2949VG28K
UV1355/AL-2
BT
BU
BH
BL
BM
NC
NC
NC
GND
IF
VL
VH
TP-AGC
UHF
R004
4K7
8
7
VIF1
AV OUT R
6
OPT
L-OUT
OPT
R110
OPT
C109
OPT
AV IN R
VIF2
OPT
AV OUT L
C355
QCS31HJ-181
Q003
OPT
1
R625
8.2E,1/2W
1.5K
R236
R126
560E
2
1K
BUFFER
3.1V
3.8V
TP122
TRAP 5.5MHz
+
R204
270
TP202
R202
R131
680K
270
TP203
OPT
560
VOUT
Q201 Q202
BUFFER
Q202
VIDEO VIDEO VCO
APC
OUT
FILTER
VCO
8V
47
FM AUDIO
DIRECT EXT
OUT
IN
3.4V
46
2.9V
45
2.9V
44
2.2V
43
1.3V
42
2.2V
41
Hi VCC
(9V)
X-TAL
4.43
0V
37
SYNC Y SW
SEP
OUT
IN
+
R307
2.4V
38
1/63
100
R208
3.2V
39
C302
R205
1K
R210
390PF
0V
6.8V
40
0.1 MLY
C127
2.6V
48
REF.
3.9V
49
SECAME
27pF
3.9V
50
-(B-Y)
IN
1K2
3V
51
-(R-Y)
IN
C601
52
OPT
X302
C304
+
R622
2.6V
36
R245
82K
X301
R206
OPT
3.579MHz
C803
0.1/50
+
R320
330K
+
C802
3.1V
34
3.1V
33
1.1V
32
0V
3.2V
31
30
ACL IN
ABCL IN
VCD TV IN C APC EXT KILLER X-TAL
GND Y IN FILTER C IN FILTER 3.58
CVBS IN
2.6V
29
7.5V
28
R IDENT
IN FILTER
2.6V
27
G
IN
C231
BLACK
PEAK
L921
680
10/50
R802
G.IN
8.2K
R805
680
CF621
114V
CELC058-820
R.IN
8.2K
R806
OPT
C921
2.7KpF,500V
4.7/63
0.1/50
CF622
QCZ0122-152
C203
R803
3V
35
3
ACL
C301
120pF
+
3.8V
4.7
AUDIO
OUT
0V
L621
AUDIO
BYPASS
+
BUFFER
D237
OPT
+
C624
+
L601
2.2uH
VIN
+
3.1V
Q621
2SA1015(GR)
C225
C207
OPT
15PF 5%
CELT001-303
0.01UF,50V
C124
C125
33pF
3.8V
C623
10/50
12uH
D223
9.1V
BEL4.43/16
T121
0.47/63
2K7,MYLAR
R626
W075
C226
470/16
BW
R628
OPT
C615
10uF BP
1K
1
1K
1.8V
W138
Q603
OPT
R136
1K
R617
3
QRE141J-122
1/63
+
R127
D616
BW
R850
C206
R130
Q126
2SA933AS
D612
J012
2
R623
10K
TP
OPT
2
Q125
2SC1815(GR)
270K
BW
3
470/35
L201
CELP026-120
QRE141J-271
Y008
R321
L123
1.2K
TPS6.5MB
1K
AVCC
9V
C230
10KPF
8K2 RES
C150
OPT
12V
R235 QRE141J-122
CELP026-5R6
R125
C625
E
4
W143
C614
10uF BP
1
OPT
C204
1K
4
QFV71HJ-474
C303
+
R616
J13
2
AGND
5
C351
R661
1K
C608
22KPF
+
C618
10u BP
3
D
F
OPT
1000/35V
R627
16
+9V
4.5V
OPT
15
R851
OPT
R662
Q601
6
14
Y002
R624
8.2E,1/2W
C609
+
2SC1815(GR)
OPT
MTZJ15(C)-T2
7
13
C352
QFV71HJ-474
2.4V
VOUT
100
J011
C126
.12 MLY
2SC1815(GR)
47
8
12
D615
470/35
270
R229
R228
68
11
IC302
1SS133
2.4V
R227
C607
22KPF
W33
W044
.12MLY
2.2k
+
C611
10/50
OPT
C222
C223
47/25
10
Q602
2SC1815(GR)
+
R611
1K 1/2W
2.5V
1.8V
R663
Q222
VIDEO AMP.
10/50
9V
47/50
C603
+
B2
D221
MTZJ15(C)-T2
C616
0.22
MY
R664
C622
INT AUDIO
M52325AP
9
Q201
2SA1015(GR)
8
+
2SC1815(GR)
470/10
J011
C602
+
AUDIO L1 IN
7
C606
+
MY
D611
AUDIO L OUT
6
+
10/50
C224
J011
V.OUT
AUDIO R IN
5
0.22
VIN
BW
C221
9
47/25
4
R602
R209
R221
75
AUDIO R OUT
3
C617
J011
V.IN
3
2
QRE141J-682
C850
OPT
C855
BW
R203
1
2
C130
TDA2616
1.2K
Y003
BW
+
IC601
R018
10E
R601
Y004
BW
C853
QFV71HJ-104
C854
BW
IN
R582
2
BW
.047/50MY
R009
OPT
10E
OPT
OPT
MY
R008
Q004
OPT
AV IN L
R118
.015 MY. 5%
Q005
OPT
5
OPT
R006
10E
R-OUT
OPT
Q101
OPT
R017
1
BT
SAW FILTER
5
1.4V
R109
OPT
L105
4
9
11.7V
2.2V
R117
C101
3
4
R012
Q001
OPT
2
3.3K
10E
OPT
OPT
C005
Q006
OPT
L104
R112
OPT
C208 +
4.7/63
R013
OPT
R115
C107
C103
OPT
10/50
R016
1
R108
OPT
3
OPT
R116
OPT
+
R005
10E
C105
OPT
1
Q002
OPT
R011
OPT
C108
1.3V
470/16
R002
10K
1.3V
12uH
K2966M
0V
BW
C007
L007
1.8V
L002
BW
L003
15K
L001
C002
0.47/63
L005
BW
+
R001
10E,1/4W
R010
OPT
MUTE
SF101
+
Y005
BW
C003
10/50
+
C001
10/50
1/63
+
+
R014
+
C004
1
BW
+9V
5.5MHz
B1
A75088-C
C993
C991-C994 QCY13AK-102
D991-D994 GP20M
K921
C992
D993
CE42050-001
D921
D994
RU3AM-LFC4
POWER REGULATOR
2R7,2W
X
STR-S6707
1
D909
4
C913
MFR
C901
.0015
R909
1.8K
1K
1/4W
Q927
SWITCH
R930
D930
12K
1SS133-T2
R122
68K
5.7V
8V
0.2V
D561
2.8V
2.8V
( )
LIVE
24
2.8V
25
5V
C227
26
2.6V
3.2V
C801
1/63
+
R306
180
0.1/50
R304
R942
2.2K
G-OUT
R305
R303
3.3k
3.3k
R301
C201
.01
C202
R-OUT
R302
180
D231
R815
1K
F.BLK
R814
1K
1000/16
MTZJ5.6(B)-T2
AVCC
R561
L401
R583
47K
5
R584
4.7K,1/2W
1K,1/2W
D235
MTZJ6.2(B)-T2
D222 MTZJ5.6(B)-T2
D236
MTZJ6.2(B)-T2
HPULSE
V.RAMP
R448
39K
D402
FBT-P
11.5V
1 uH
R939
82K
V-RAMP FEEDBACK
MTZJ5.6(B)-T2
R449
39K
SCL
D561 MTZJ9.1(C)-T2
R925
OPT
D925
B-OUT
180
C121
1uF/63
D223 MTZJ9.1(C)-T2
1
23
X
AGND
2.2K
4
B
IN
22
R581
R940
X
SDA
OPT
3
2
C990
.001 400V
C935
330PF
R941
12K
R991
8.2M 1/2W
R922
BW
C931
100KpF
PW
STB15V
IC921
Q923
TL431
( )
ISOLATED
QRV121J-825
1
2
114V
QCZ9039-102
D929
OPT
B1
OPT
R926
OPT
3
ERROR AMP
Q924
OPT
B1 GND
C933
OPT
SWITCH
6
GROUP
IGO21DLX
REVISION(S)
A
MAIN PWB ASS'Y
B
21
C930
R921
PC901
TLP721F(GR)
6
A
4.3V
CSB503F18
1/63
.01MY
6.8K
C564
.22uF/63
2.5V
V
HI
RAMP VCC
B.IN
8.2K
R804
680
VDC
VCC
5V
3.3k
4.3V
1M
3.3V
17
R591
1.3V
16
CF561
0.7V
560
4.4V
R564
C122
8.2
+
C123
L121
TP-AFT
1.2V
C565
8.2V
15
V RAMP
FEED V RAMP
BACK
C
C561
470/16
20
14
9.1V
B
OUT
19
C128
.0047
D561 RD8.2E(B2)-T2
L151 CELP026-8R2Z
R121
68K
PW
G
OUT
18
13
R212
4.9V
R
OUT
12
R567
1.3V
H DEF VCC
AFC-1
H
AFC2
OUT
GND SDA1 FILTER OSC FILTER
560
1.3V
SCP
OUT
11
R565
0V
SCL
10
OPT
9
R562
3.9K
FAST
BLK
8
560
R211
VIF
VCC
7
C566
22KPF
OPT
0.7V
VIF
IN
6
C129
100/25
2.7V
VIF
IN
5V6
3V
5
D222
D913
HER108G
Q926
SWITCH
11.4V
2SA966(OY)
11.5V
R634
OPT
OPT
Q925
100/160
C927
X
QCZ0122-561
330/16
R924
2V
4
BW
3.15A
QMF51E2-3R15
S901
3.5V
3
22/50 V
DTC144GS
D912
MTZJ12(C)-T2
8.3V
VA901
POWER SW
C633
100
LIM
IN
STB15V
R911
1K 1/2W
E1STWP1101-H01B
2
VIF1
QRD121J-561
1000/35V
QRE121J-102
F901
C984
220/16
VIF2
R910
0.1 AC250V
QFZ9036-104SM
ERZ-C05DK471
C924
X
QCY32HK-222
C909
0.27E,5W
MFR
QRMO59J-R27
22K
9V
AFT
OUT
1
18
7
C918
OPT
560 1/2W
RU3YX
D911
1SS133-T2
OPT
OPT
R903
2
C934
R936
D923
8
C917
D908
220/35
R904
IC901
16
IN
OUT
3
GND
VIF
GND
BW
C
D
E
23
F
MODEL
1/2W
2
C928
D906
HER108G
OPT
+
1E2
17
470PF
220/16
QRG019J-330S
R912
9
D907
OPT
+
9
1
CF603
SDA
R993
R983
C632
BW
SCL
47K
8.9V
IC982
R935
0.1V
C938
W031
W030
C912
+
1.3V
C915
680PF 500V
R907
OPT
R908
C923
680/500
K923
VAL
8
QRE121J-562
R927
OPT
VCC
LF901
CE42050-001
OPT
R801
+5V
RF
IF
AGC AGC
OUT FILTER
+
SWITCH
1000/16
9V REG KIA7809PI
11.4V
2.2E,1W
C916
C985
OPT
10.7V
Q901
OPT
X601
OPT
D983
1000/16
14
6.8V
C982
470/10
2.2E,1W
+
INH
OPT
CEM40293-001
CE42050-001
5
0.7V
+
0.2V
7
BW
C926
+
F/B
IF/V/C/D
+
1BW
3
CE42050-001
CORE
R919
L922
CELC058-820
Y102
D922
RGP10J/RU3AM
CORE
5.6K,1/2W
C903
5
0.1V
R905
12E,1W
FR970
OPT
BW
4
0V
QRXO19J-2R2S
R982
15
K901
K902
ASP
+
6
K922
BW
3
8V
+
DCP
BW
1.4V
D931
2
2.7V
+
BW 4
W032
5
R996
10K
0.5V
C922
680P/500
5
HER108G
D904
2
47/25
4
1
5V
IN
OUT
3
GND
+
DRV
2
4
10
0.1V
0.1V
1
+
BW
3
11V
C981
+
W029
B
SINK
3
OPT
2
OPT
C902
LF902
1
X
QCZO122-102V
QCZ0122-391
M52771
B1GND
5V REG.
X
+
C904
!
470PF AC400V
C
GND
D910
.001 2KV
390PF,2KV
290V
C920
470PF AC400V
TH901
PTC2P-7R0Q270
C911
KIA7805PI
IC981
X
C932
11
+
DEG. COIL
C995
2
IC201
+
QRE121J-101
C914
OPT
4
C929
3
100E 1/2W
1
IC621
R972
OPT
+
I
QRGO39J-223A
X
12
+
R918
R923
OPT
+
QRG029J-473A
R902
22K 3W
W. POSISTOR
C939
X
13
D924
X
!
CELD029-002J3
1
R915
QRF106K-5R6
CN00I
L01
SW TRANSF
+
R901
5R6,10W
T901
CEM40117-00A
C919
!
470PF AC400V
120/450
R992
C991
+
C994
4
D902
HER108G
C910
QRV121J-334
D991
330K 1/2W MFR
D992
21/07/02
FINISH
DATE
NAME
MATERIAL
ADKAR
DESIGNED
DRAWN
SCHEMATIC DIAGRAM
MAIN PCB
CHECKED
R.V PANDIT
MIRC
APPROVED
ELECTRONICS
DRG. NUMBER
CSM10
MIRC ELECTRONICS LIMITED
mm
G
ONIDA HOUSE,MAHAKALI CAVES ROAD,ANDHERI(E),BOMBAY-93
H
SCALE SHEET -
NTS
1/2
D
F
GND
E
SCL
C
B
SDA
A
G
H
1
2
3
V01
PICTURE(ITC)
B
R345
VL
CRT SOCKET
PWB ASSY
SMZ-3001A
VH
UHF
11
A34JAE10X
ORG029J-123A
TP-478
12K 2W OMR
TP
1
R348
1.5K 1/2W
ORC122K-152Z
V01
R333
9V
150V
C333
270pF
150
BT
2.7V
Q333
2SC4722(NP)
A.MUTE
VALUE
15K
R024
5.6K
OUT VCC GND
S743
VOL -
1
2
S742
R776
27K
E1MWFS14010-H01A
L541
VOL +
S741
R741
C741
470
47/25
+
D748
354,200V MPP
G OUT
14"
3
2
R OUT
1
9V
4
2.8V
B
2.8V
G
2.8V
R
DELETE
Y002
BW(7.5)
R423
39K
C606,C607,R624
D232
D233
7.5V
7.5V
R354
1
150
2.7V
T
R338
R335
270
R343
165V
R661
BW(17.5)
150
+
5E6
IC704
2.7V
R355
3.3K
L331
180UH
C334
GND
CN00U
100/25
U
1
2
3
RESET OUT
4
5V
IC401
GND
SIP7
LA7840
NON
V-OUT VCC2 INV IN
1
B. IN
2
3
4
INV
IN
VCC
5
6
C742
4.7KPF
50V
H.SINC
NC
NC
1
Q702
33
34
37
38
39
R
36
G
35
B
BLK
32
I
DK
BG
NC
31
0V
R411
40
22K
C720
2.2KpF
R732
22K
V. PULSE DRIVE
OPT
L702
C702
ACL
C719
L706
L705
L704
L703
L703
BW
L704
BW
L705
BW
L706
BW
4.7E
R404
9V
SCREEN
7
C534
100/25
R515
HD
C580
OPT
11
2.2K,1/2W
1SS133-T2
R542
FBT-P
6
C701
680 1/2W
27pF,50V
C410
R512
39K
R514
FR401
1.8 1W
BW
R730
R759
680K
4.7K
R765
10K
C735
D542
.22MLY
R518
2.2K
MTZJ5.6(B)-T2
4
R511
47K
R513
D514
1SS133-T2
R573
BW
1
OPT
D401
4
OPT
D511
HER108G
C425
1000/35
HER108G
GND
GND
GND
GND
H. DRIVE TRANS.
4.9V
4.9V
0V
4.9V
3
6
7
8
R589
OPT
C560
47/50
R521
BW
R. IN
G. IN
IC502
560
UPC574J
OV
C521
0.0015,500V
0V
SDA
SCL
L545
Y006
R590
22E,1W OMR
C585
47KpF,100V
R599
12K 2W OMR
47/25
QRD121J-562SY
B1
114V
Y007
C529
MY.
0.53/200V
MPP
Y009
BW
11.5V
B1 GND
CEM40323-00A
C510
1/63
B1
H. LINEARITY COIL
OPT
R526
15E 1W OMR
C524
CNOOH
YO43
0.0082MY,100V
STB15V
DY01
DEF.YOKE
C541
10/250
MPP
K502
BW
C523
FR521
BW
8.2KpF,1.6KV
4
+
4.7K
PW
R522
C577
0.1,MLY
C526
+
R720
4.7K
B. IN
SDA
HPULSE
F. BLK
R719
2
45.2V
0.3V
HER108G
9
0V
H. DRIVE
D541
C528
47/160
H. OUT
Q521
2SC1627A(OY)
+
SCL
5
+
5
C739
10
Q522
2SD2578-YD
ME40203-00B
MEMORY
5
BW
8
2
47uF/25V
1K
1
Y503
2
T521
3
M24C08
ECO
220E
R764
LDR
3
OPT
+
ECO701
V RAMP
ANODE
FOCUS
B2
IC703
R763
R762
12K
V.RAMP FEEDBACK
: SAFETY PARTS
R523
10K
E1MWFS20005-H01A
: BUS WIRE
270,1/2W
R761
270K
SUEFBT
: NON-MOUNT(OPEN)
BW
SCL
HPULSE
4
+
R760
11.5V
CNOOU
NOTE
.
SDA
FBT-P
T501
OPT
Q704
2SC1815(GR)
1
FBT
1SS133
+
+11.5V
2
12 uH
D403
R731
2.2K
3
U
L541
3.3K
3.3K
D701
1SS133-T2
R701
82pF
R702
1
0.047,100V MYLAR
CELP026-4R7
R OUT
V
C422
0.1 MLY
D702
G OUT
OPT
R402
10K
R733
68K
42
41
R769
CELP026-8R2
OPT
+
C717
.12MLY
BW
R403
10K
BW
L542
6
CE41990-00A
5
BW
4
H
L543
D524
OPT
HER108G
C535
+
OPT
D405
5
OPT
B OUT
R420
Y401
4
D406
R768
L701
OPT
CN00V
OPT
C716
C402
R736
56K
R734
Q703
H. PULSE DRIVE
2SC1815(GR)
4.7V
D404
R423
33K
C423
OPT
C421
100/50
2
R735
10K
0.1V
2SC1815(GR)
NC
2
M37221
NC
30
3
IC701
NC
29
A-MUTE
NC
NC
NC
28
4
5
NC
6
V.SYNC
7
M37225
27
PIN 7_SCL
PIN 8_SDA
8
SCL
VH
VL
9
SDA
26
10
NC
25
11
0V
NC
24
12
C721
27pF
C424
+
.47/63
OPT
1V
180pF
REM
23
13
C736
180pF
KBD_INPUT
22
14
UHF
VT
BRQ
NC
GND
RESET
TV/EXT
XTAL IN
OSC IN
15
OSC OUT XTAL OUT
16
19
GND
17
20
VCC
44
18
21
C737
330E
C404
R415
R737
10K
4.1V
UHF
10
POWER
L708
OPT
VL
C713
R723
BW
VH
C712
R729
10K
OPT
R712
1K
R405
CRY1
7
R424
OPT
+
3R9
CELPO26-4R7
R767 R766 D760
OPT
OPT OPT
X701
470E
R410
4R7
PW
47KPF
4.7K
R447
220E
2200/35
R413
L707
+
ALARM
R401
+
R748
1/63
PUMP
UP OUT
HB
100/10
GND
C711
C710
HEATER
+
.12MLY
OPT
3
5
5V
8.00MHz
4
C512
0V
+
C709
C708
47/25
HB
3
5.7V
D443
HER108G
GND
2
11.5V
+
G. IN
CO
1
GND
200V
IN
C337
10/50
C336
0.1MLY
270
R. IN
55
2SA1015(GR)
R337
R334
4.7K
5V REG/RESET
STB15V
R353
1.5K
R331
6E8
L78LR05E-MA
33
R351
180
Q334
C331
390PF
2.5V
R413
6.8K
1SS133
+
2SC4722(NP)
R352
D331
100
Q331
BW
R411
OPT
R350
ORC122K-152Z
DELETE
2
C339
C335
470/16
R346
1.5K 1/2S
D615
SCREEN
470K 1/2W
QRC 122K-474Z
R349
3.3K 1/2W
12K 2W OMR
ORG029J-123A
1000uF/25V
Q602,R602,R601
C338
.010 2KV
QCY33DK-103
4.7K
22K,1/2W
C404
F. BLK
FOCUS
C332
390PF
2.6V
R332
39K,1/2W
R449
CRT SOCKET
160V
2
DELETE
R448
ISHS43S
ORC122K-152Z
Q332
2SC4722(NP)
3
ISMM10S
0.33,5W MFR
R904
D/A (BT)
C010
390PF,5%
MTZJ5.6(B)-T2
C529
R903
47K
D/A (BT)
R019
5.6K
B OUT
GND
5
9V
4
682,1.6KV MPP
CRT SOCKET
R025
C013
0.1 MLY
Q007
2SC1815(GR)
100
BW
C526
CPT
C012
Q008 0.1 MLY
2SA1015(GR)
5
30uH
L542
R347
1.5K 1/2W
T
0V
SK001
+
R743
D/A (BT)
R023
5.6K
R021
18K
3
+
22
R022
27K
R020
CH +
R777
8.2K
FBT T501
2SC1815(GR)
CH -
ANODE
BW
7.5V
S744
Q009
BRAID
12K 2W OMR
D234
S745
R778
4.7K
REMCON
RECEIVER
TSOP4838
R344
ORG029J-123A
56K,1/4W
L331
C707
0.001 MYL
MAIN
POWER
MENU
R779
2.2K
C011
22K
470 pF
OPT
IC741
0.47/63
R757
D745
5131
C743
D746
R746
10K
AUDIO PWB
ASSY
TDA2614
R512
HEATER
IC601
R339
270
4.7K
+
CKT. NO
TV/EXT
2.7V
R336
MODIFICATIONS FOR 14" CTV
H.WIDTH
R530
OPT
R531
4K7,2W,OMR
QRGO29J-472A
4.7uF/250
B1 GND
6
A
B
C
D
E
24
F
MODEL
21IGODLX
REVISION(S)
GROUP
66
21/07/02
FINISH
DATE
NAME
MATERIAL
DESIGNED
DRAWN
SCHEMATIC DIAGRAM
MAIN PCB
ADKAR
R.V. PANDIT
MIRC
CHECKED
APPROVED
ELECTRONICS
DRG. NUMBER
CSM10179-002
MIRC ELECTRONICS LIMITED
mm
G
ONIDA HOUSE,MAHAKALI CAVES ROAD,ANDHERI(E),BOMBAY-93
H
SCALE SHEET -
NTS
2/2
A
B
C
+5V
11.5V
D
5V
R761
R763
10 K
220 OHMS
DIP20
IC651
5.6KPF
C652
5.6KPF
9
6
RIN 2
7
14
RIN 1
C658
13
8
LIN 1
10 UF/50V
C654
R651
150KPF
C653
BOUT L
1
F
BIN R
3
R652
C655
9V
3
2K
150KPF
MODEL
11
4
10
MUXOUT L
GROUP
3 PIN
12
9
2
LIN 2
2K
330KPF
C656
BOUT R
330KPF
A
2
2
1.5K
3
SCL
B
3
2.2K
2.2K
TDA 7449
10 UF/50V
C657
R654
R653
BIN L
SDA
1
C659
100UF/16V
TREB L
15
9 PIN
TREB R C651
16
D
DGND
17
8
5
L OUT
SCL
18
7
R656
4
6
L OUT
R OUT
3
AV OUT R
R OUT
AGND
5
1.5K
SDA
19
R655
20
4
AV IN R
VCC
2
3
AV IN L
CREF
1
AV OUT L
AUDIO PROCESSOR MODULE
+
2
2
1
INT AUDIO
3 PIN
DIGITAL EYE
1K
C739
4.7UF/25 V
270 K
R764
PIN NO. 29 OF MICON
12 K
R760
1
VAL
+
R762
11.5V
10 K
Q704
VAL
1
R759
ECO701
MUXOUT R
MIRC
FINISH
DATE
DESIGNED
DRAWN
CHECKED
APPROVED
ELECTRONICS
DRG. NUMBER
NAME
4
MATERIAL
MIRC ELECTRONICS LIMITED
mm
B
ONIDA HOUSE,MAHAKALI CAVES ROAD,ANDHERI(E),BOMBAY-93
C
* - - THIS CIRCUIT DIAGRAM PAGE IS APPLICABLE FOR STEREO MODELS ONLY
25
SCALE SHEET -
D
NTS
14XS/20XS/21IQ
14TVE/20TVE/21TVE
21BLACK FGL (FTG)
26
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