Sangean PR-D4 Service Manual

PR-D4
FM/MW PLLSYNTHESIZED RECEIVER
CONTENTS
Specification ………………………………………………………………………………………………………2-5
Block Diagram ………………………………………………………...…………………………………..…………..6
Alignment Instructions…………………………………………………………………….……….………….…...7-11
Test Points diagram………….……………………………………………………………….……….………….…...12
Main PCB Top View…………………………………………………………………………….……….……………13
Main PCB Bottom View.………………………………………………………………………….……..………..…..14
Power PCB Top View………………………………………………………………………….……….……………15
Wiring Diagram………………………………………………………………………….……..………..…..16
Troubleshooting Flow Chart..….………………………………………….……………….….……………..……17-18
Electrical Parts List………………………………………………………………………………....……………19-21
Mechanical Parts List……………………………………………………………………….………….………….22
Exploded Views.…………………………………………………………………………….……….……………23
IC Circuit Block Diagram…………………………………………..…………….………………………………24-26
Voltage List………….….……………………………..…………………………….…………………27-29
Semiconductor Lead Identifications……………………………………………………………………..……..…30
Schematic Diagram………………………………………….…………………………………………………….31
Specification
FM. ELECTRICAL PERFORMANCE
Model: PR-D4/L
Temp:
Brand:
Test Item
°C R.H.:
Condition
Input
Output
freq
Tuning Range
S/N=6dB
Min
Max
Intermediate freq.
S/N=6dB
90MHz
98MHz
106MHz
90MHz
S/N=30dB 98MHz
106MHz
S/N=6dB 106MHz
S/N=6dB 90MHz
Max. Sensitivity
S/N=6dB
Usable Sensitivity
Image Rejection
I.F. Rejection
3db Limiting
Min. output
Auto Scan
80dBu
S/N (1mV)
Current Consumption
Am. Suppression (1mV)
R. O.
60dBu
98MHz
Audio fidelity
75kHz/or 50kHz
(-3dB W/pre emphasis)
Output Power(75KHz dev.)
10%T.H.D.
T. H. D. (75KHz dev.)
Over load capacity
10%T. H.D.
Calibration
Lowest Batt. Volt.
Supply Voltage: DC 6 V
60dBu
R.O.: 50mW
90MHz
S/N=6dBu 98MHz
106MHz
98MHz
Load: 4
Ohm
Remark:
(
(
( )首件產品
)成品 ( )例行抽測
)半成品( )新機種
% Date: 2005/1/11
Value
Test no.
Unit
Nom. Lim 1. 2.
87.5
108
10.7
12
12
12
18
18
18
24
MHz
18
1.5
22
±0.05
18
18
18
24
24
24
18
60
24
3
28
46
40
dB
140
160
mA
32
26
dB
100
200
Hz
10K
8K
Hz
800
600
mW
1
3
%
100
90
dBu
2
dBu
dBu
dB
dB
dBu
mV
dBu
KHz
3.6
4.0
V
Modulation: 1KHz Mod./22.5KHz Dev.
Approved by
( )客戶抽測:
( )業務樣品:
( )工程變更:
MHz
Released/Tested by
MW. ELECTRICAL PERFORMANCE
Model: PR-D4
Temp:
Brand:
Test Item
Tuning Range
Intermediate freq.
Max. Sensitivity
Usable Sensitivity
Image Rejection
I.F. Rejection
Selectivity(±10KHz)
Bandwidth(-6dB)
T. H. D.
°C R.H.:
Condition
Input
Output
freq
% Date: 2005/1/11
Value
Test no.
Unit
Nom. Lim 1. 2.
Min
522
Max
1629
S/N=6dB
Min
450
603KHz
46
42
S/N=6dB 999KHz
1404KHz 42
603KHz
56
S/N=20dB 999KHz
54
1404KHz 54
S/N=6dB 1404KHz 36
S/N=6dB 603KHz
50
S/N=6dB
32
S/N=6dB
74dBu/m
2
Lowest Batt. Volt.
Hum Modulation
Auto. Scan. Stop. Sens.
74dBu/m
Current Consumption
74dBu/m
Tone Action (3KHz)
74dBu/m
Freq. Response
(-6dB)
74dBu/m
KHz
±2
56
54
54
62
60
60
30
40
26
6-11
4
3.6
dBu/m
dBu/m
dB
dB
dB
KHz
%
V
dB
100dBu/m
56
KHz
62
dBu/m
mA
999KHz
dB
100
2500
200
1800
Hz
Hz
10%T.H.D.
800
600
mW
Over load capacity
80%mod. 10%T. H.D.
100
90
dBu/m
A. G. C. F. O. M.
100dBu/m
46
40
dB
S/N Ration
74dBu/m
40
34
dB
Whistle Modulation
74dBu/m
15
%
Supply Voltage: DC 6 V
R.O.: 50mW
Output Power 80% Mod.
2IF/3IF
Modulation: 1KHz/30% Mod
Approved by
Released/Tested by
Load: 4 Ohm
Remark:
(
(
( )首件產品
)成品 ( )例行抽測
)半成品( )新機種
( )客戶抽測:
( )業務樣品:
( )工程變更:
3
MW. ELECTRICAL PERFORMANCE
Model: PR-D4L
Temp:
Brand:
Test Item
Tuning Range
Intermediate freq.
Max. Sensitivity
Usable Sensitivity
Image Rejection
I.F. Rejection
Selectivity(±10KHz)
Bandwidth(-6dB)
T. H. D.
°C R.H.:
Condition
Input
Output
freq
% Date:2005/1/11
Value
Test no.
Nom.
Min
522
Max
1629
S/N=6dB
Min
450
600KHz
48
S/N=6dB 1000KHz 44
1400KHz 44
600KHz
60
S/N=20dB 1000KHz 56
1400KHz 56
S/N=6dB 1400KHz 36
S/N=6dB 600KHz
50
S/N=6dB
32
S/N=6dB
74dBu/m
2
Lowest Batt. Volt.
Hum Modulation
Auto. Scan. Stop. Sens.
74dBu/m
Current Consumption
74dBu/m
Tone Action (3KHz)
74dBu/m
Freq. Response
(-6dB)
74dBu/m
Lim
2.
Unit
KHz
±2
58
56
56
66
62
62
30
40
26
6-11
4
3.6
KHz
dBu/m
dBu/m
dB
dB
dB
KHz
%
V
dB
100dBu/m
56
1.
62
dBu/m
mA
1000KHz
dB
100
2500
200
1800
Hz
Hz
10%T.H.D.
800
600
mW
Over load capacity
80%mod. 10%T. H.D.
100
90
dBu/m
A. G. C. F. O. M.
100dBu/m
46
40
dB
S/N Ration
74dBu/m
38
32
dB
Whistle Modulation
74dBu/m
15
%
Supply Voltage: DC 6 V
R.O.: 50mW
Output Power 80% Mod.
2IF/3IF
Modulation: 1KHz/30% Mod
Approved by
Released/Tested by
Load: 4 Ohm
Remark:
(
(
( )首件產品
)成品 ( )例行抽測
)半成品( )新機種
( )客戶抽測:
( )業務樣品:
( )工程變更:
4
LW. ELECTRICAL PERFORMANCE
Model: PR-D4L
Temp:
Brand:
Test Item
°C R.H.:
Condition
Input
Output
freq
Min
Max
Tuning Range
Intermediate freq.
S/N=6dB
Max. Sensitivity
S/N=6dB
Usable Sensitivity
S/N=20dB
I.F. Rejection
Selectivity(±10KHz)
S/N=6dB
S/N=6dB
S/N=6dB
Image Rejection
162KHz
225KHz
270KHz
162KHz
225KHz
270KHz
270KHz
T. H. D.
Lowest Batt. Volt.
Auto. Scan. Stop. Sens.
74dBu/m
225KHz
S/N Ration(5mV)
74dBu/m
Current Consumption
74dBu/m
Output Power
80%mod.
74dBu/m
Over load capacity
80%mod. 10%T. H.D.
Supply Voltage: DC 6 V
R.O.: 50mW
(
(
68
66
66
60
32
36
±5
±5
±1
68
66
66
74
72
72
50
26
30
3
5
%
3.6
68
4.0
74
V
dBu/m
28
22
dB
153
279
450
KHz
KHz
dBu/m
dBu/m
dB
dB
dB
mA
DC
800
600
mW
106
100
dB
Modulation: 1KHz/30% Mod
Approved by
Released/Tested by
Load: 4 Ohm
Remark:
( )首件產品
)成品 ( )例行抽測
)半成品( )新機種
% Date: 2005/1/11
Value
Test no.
Unit
Nom. Lim 1. 2.
( )客戶抽測:
( )業務樣品:
( )工程變更:
5
KEY
6
Buzzer/beep
Switch
Q23
Band Switch
Q2, Q6
μ_com power
IC2
FM ANT INPUT
BPF1
MW/LW
OSC
SWITCH
Q15, Q16
MW/LW
ANT
SWITCH
D17, D18
POWER SWITCH
Q19, Q22
POWER ADJ.
Q12
Radio power
IC5
MW OSC
D15,L1
LW OSC
D16,L2
MW ANT
D15,L4_1
LW ANT
D16,L4_1
LPF
Q4,Q5
AUDIO
AMP
Buzzer/beep
AMP.
Q13, Q24
Buzzer/beep
H.W.S
Q11, Q19
μ_com
IC1
LCD
OSC OUT
DC/BATT
DC-DC
Q20, Q21, T1
DET OUT
AM IF
FM IF
T2, CF1, CF2
IC4
TA2149
FM OSC
L3.C82
BLOCK DIAGRAM
ALIGNMENT INSTRUCTIONS
1. ALIGNMENT FOR AM/LW IF
a. Required Instruments:
AM IF Sweep Generator with scope
b. Alignment Procedure
Mode
Adjustment
AM
T2
Procedure
(1) Press the power button to turn on the radio.
(2) Connect the input terminal of AM IF sweep generator in series with a resistor of 1.2KΩ
to the TP2 and TP3.
(3) Connect the RF output terminal of AM IF sweep generator to another test point TP5.
(4) Connect a 100μF electrolytic capacitor to test point TP2 .TP4.
(5) Adjust T2 to have a max. output with a marker frequency of 450 kHz on the sweep
scope.
c. Instrument Connection
T2
450KHz Marker
TP4
TP2
TP3
IN
TP2
100uF
1.2KΩ
TP5
RF
OUT
2.2KΩ
AM IF Sweep Generator
7
2. ALIGNMENT FOR AM/LW TUNING VOLTAGE RANGE
a. Required Instruments:
DVM
b. Alignment Procedure
Mode
Adjustment
L1
AM
TC2
Mode
Procedure
(1) Turn on the radio.
(2) Connect the probe of DVM to the test point TP1 and TP2.
(3) Tune the AM frequency to 522 kHz.
(4) Adjust L1 to have a reading of 1.2 ±0.04V.
(5) Tune the AM frequency to 1629 kHz.
(6) Adjust TC2 to have a reading of 7.6 ±0.3V.
Adjustment
L2
LW
TC1
Procedure
(1) Turn on the radio.
(2) Connect the probe of DVM to the test point TP1 and TP2.
(3) Tune the LW frequency to 153 kHz.
(4) Adjust L2 to have a reading of 1V ±0.04V.
(5) Tune the LW frequency to 279 kHz.
(6) Adjust TC1 to have a reading of 4.8V ±0.2V.
c. Instrument Connection
TC2 L1 L2 TC1
8
3. ALIGNMENT FOR FM TUNING VOLTAGE
a. Required Instruments
DVM
b. Alignment Procedure
Mode
Adjustment
FM
L3
Procedure
(1) Turn on the radio.
(2) Connect the probe of DVM to the TP1 and TP2
(3) Tune the FM frequency to 108MHz.
(4) Adjust L3 to have a reading of 8.2V ±0.3V.
c. Instrument Connection
L3
DVM
TP1
TP2
9
4. ALIGNMENT FOR AM/LW SENSITIVITY
a. Required Instruments
AM Signal Generator
SSVM
b. Alignment Procedure
Mode
Adjustment
AM
TC3
L4-1
Mode
Adjustment
LW
TC4
L4-2
Procedure
(1) Turn on the radio.
(2) Connect a SSVM to the speaker TP7 and TP8 terminals.
(3) Connect an AM signal generator together with standard loop dummy antenna and
feed 30% modulated signal to the AM ferrite bar antenna L4.
(4) Tune the generator frequency to 1404 kHz.
(5) Tune the AM frequency to 1404 kHz and adjust TC3 to have a max reading on
SSVM.
(6) Return the generator frequency to 603 kHz.
(7) Tune the AM frequency to 603 kHz and adjust L4-1 to have a max reading on
SSVM.
(8) Repeat (4) to (7) as necessary to minimize tracking error.
Procedure
(1) Turn on the radio.
(2) Connect a SSVM to the speaker TP7 and TP8 terminals.
(3) Connect an AM signal generator together with standard loop dummy antenna and
feed 30% modulated signal to the AM ferrite bar antenna L4.
(4) Tune the generator frequency to 270 kHz.
(5) Tune the AM frequency to 270 kHz and adjust TC4 to have a max reading on
SSVM.
(6) Return the generator frequency to 162 kHz.
(7) Tune the AM frequency to 162 kHz and adjust L4-2 to have a max reading on
SSVM.
(8) Repeat (4) to (7) as necessary to minimize tracking error.
c. Instrument Connection
PR-D4
PR-D4L
L4-2
L4-1
TC3 TC4
AM Signal Generator
DVM
60 cm
TP7
Loop Antenna
TP8
The radio is located
perpendicularly to
the Loop Antenna
10
5. ALIGNMENT FOR FM TUNING SENSITIVITY
a. Required Instruments
FM Signal Generator (frequency range up to 220 MHz)
SSVM
b. Alignment Procedure
Mode
Adjustment
TC5
FM
L5
Procedure
(1) Turn on radio.
(2) Connect a SSVM to speaker TP7 and TP8.
(3) Connect a FM signal generator to TP10 and TP11.
(4) Set the signal generator to 22.5 kHz deviation with 1 kHz modulation.
(5) Always tune the generator frequency to exactly same as the radio band frequency
before adjustment.
(6) Tune the FM frequency to 106MHz and adjust TC5 to have a max audio output.
(7) Tune the FM frequency to 90MHz and adjust L5 to have a max audio output.
(8) Repeat (6) to (7) as necessary to minimize tracking error.
c. Instrument Connection
L5 TC5
DVM
TP11
TP7
SSG
TP10
TP8
11
TEST POINTS DIAGRAM
12
MAIN PCB TOP VIEW
13
MAIN PCB BOTTOM VIEW
14
POWER PCB TOP VIEW
15
WIRING DIAGRAM
16
TROUBLESHOOTING FLOW CHART
( 1 ) Power can not be turned on
No
Check whether battery supply
Check whether the pin 36 of
circuit is normal.
IC1 exceeds 2.5V DC.
Then replace the abnormal parts.
Yes
Press the power key and check
No
whether the pin 37 of IC1 exceeds
Check whether the power key is
normal.
2V DC.
Yes
Check the Q12, Q19, and Q22.
( 2 ) Weak sensitivity in AM/LW band
Check whether the IF waveform is
No
normal.
Check the IC4 circuit and adjust T2.
Then replace the abnormal parts.
Yes
Check whether the tuning voltage
No
Check L1, Q16 and D15 (on AM
mode). Then check L2, Q15 and D16
range is normal.
(on LW mode)replace the abnormal
Yes
Do the alignment of 600kHz,
No
Check L4, TC3 and D15, D17, Q2 (on
AM Mode). Then check L4, TC4 and
1400kHz minimize the tracking
D16, D18, Q6 (on LW Mode) replace
error?
the abnormal parts.
17
( 3 ) Power can not be turned on
Check whether the sensitivity is
Yes
Check the antenna wire and BPF
recovered if antenna is directly
circuit.
connected to the pin 2 of IC4.
Then replace the abnormal parts.
Yes
Check whether the IF waveform is
No
normal.
Check the IC4 circuit.
Then replace the abnormal parts.
Yes
Check whether the tuning voltage
No
is normal.
Check the L3 local oscillator circuit.
Then replace the abnormal parts.
Yes
Check whether L5 and the
No
corresponding RF tank circuit are
Then replace the abnormal parts.
normal.
( 4 ) PLL does not work
Check whether the C46 exceeds
No
15V DC.
Check the DC-DC converter circuit.
Then replace the abnormal parts.
Yes
Check whether the circuit of LPF
No
is normal.
Check Q4 and Q5.
Then replace the abnormal parts.
Yes
Check whether the local oscillator
Yes
circuit is normal.
Check C62.
Then replace the abnormal parts.
18
ELECTRICAL PARTS LIST
PRD-4
PART NO
1000750
1011350
1011362-P
1013260
1020040
1020250
1020410
1022272
DESCRIPTION
IC TC9318 AFAG-094
IC AN7141N
CH IC XC62FP3002PRN PbF
CH IC TA2149BFN
TR 2SB808F
TR 2SA1020Y
CH TR 2SA1611 M6
CH TR 2SC4154-G
Q'TY
1
1
2
1
1
1
1
18
1041190T
1043150
1043161
1045020
1045092T
1045120T
1046010
1059060
1111310-P
1122371
1122380
1123190-P
1123711
1135100S
1145160
1210360
1316224
1600670
1613070
1613080
1620950
1630680
1640060
1647100
1650135
1660341
1664121
1664222
1664480
DIODE 1N5817-T
CH VARACTOR KV1450
CH VARACTOR KV1610S-1
CH DIODE 1SS314
ZENER HZ15-3-T
ZENER RD6.2EB-T
CH DIODE RLS4148
LED ORG 3mm 45E4YL28TS-B
BAR ANT & COIL 1310 PbF
ADJ. COIL 2371
ADJ. COIL 2380
ADJ. COIL 3190 PbF
ADJ. COIL 3711
FIXED COIL 1.5mH-S
SP COIL 5x3.5Tx0.7
TC 20P RED
R-VR 20KB L12.5H10
LCD PR-D4 20661TF
PCB-A PR-D4
PCB-P PR-D4
SPK 3" 4Ω 3W
TOUCH SW (A)
JACK HP(F)
JACK DC-470AG PBT 2.0L
X'TAL 75KHz ±20PPM 2x6
PFWLA450KS2A-A0
FILTER LT10.7MS2A10-A
FILTER GFMB7
FILTER CDALA10M7GA100ABO
1
1
1
1
1
1
10
2
1
1
1
1
1
1
1
3
1
1
1
1
1
12
1
1
1
1
1
1
1
1701086
1704830
1900360
441063NT0
444763JT0
441073JT0
441081KT0
443381KT0
4647360
4647360S
4920400
4B10535
4B33532
4B47533
5002001
5006001
5010261
CNT BASE 2.5x6P
W/ASS'Y 220(2.5+6P)
W/SPK 200(6+2P)
EL 106M 16V 4x7
EL 476M 16V 5x7
EL 107M 16V 6.3x7
EL 108M 6.3V 8x11.5
EL 338M 6.3V 10x20
MY 473J 50V
MY 473J 50V-S
CH SUPERCAP EECENOF204RT
CH TA 105M 16V 3.2x1.6
CH TA 335M 16V 3.2x1.6
CH TA 475M 16V 3.2x1.6
CH CC 020C 50V NPO-C
CH CC 060C 50V NPO-C
CH CC 102K 50V X7R-C
1
1
1
2
6
3
2
1
1
1
1
1
2
1
1
1
35
19
REMARK
IC 1,
IC 3,
IC 2,5,
IC 4,
Q 13,
Q 12,
Q 3,
Q 1,2,4-5,7-11,14,1724,
D 300,
D 19,
D 15,
D 14,
D 7,
D 6,
D 5,8-13,20-22,
LED500,501,
BAR ANT
T 2,
L 1,
L 3,
T 1,
L 4,
L 5,
TC 2,3,5,
VR 1,
LCD1,
SP
SW 1-12,
JK 301,
JK 302,
X 1,
CF 2,
CF 1,
BPF1,
CR 1,
CON300,
CON1,
W 300,
C 54,106,
C 46,49,51,56,59,105,
C 48,52,58,
C 45,53,
C 47,
C 57,
C 50,
C 55,
C 112,
C 38,39,
C 72,
C 68,
C 93,
C 1-26,60,61,64,67,91,
96,97,101,109,
ELECTRICAL PARTS LIST
PRD-4
PART NO
5010361
DESCRIPTION
CH CC 103K 50V X7R-C
Q'TY
14
5010471
CH CC 104Z 25V Y5V-C
17
5010557
5015361
5018001
5020001
5022001
5022472
5024001
5027001
5033101
5047101
5047472
5068001
5210471
6010720T
6010721T
6010725T
6010744T
6010756T
6100108
6100112
6100116
6100120
6100124
6100130
6100132
6100136
6100139
6100140
6100141
6100142
6100144
6100146
6100148
6100150
6100152
6100155
6100156
CH CC 105Z 10V F-C
CH CC 153K 50V X7R-C
CH CC 180J 50V NPO-C
CH CC 200J 50V NPO-C
CH CC 220J 50V NPO-C
CH CC 224Z 16V Y5V-C
CH CC 240J 50V NPO-C
CH CC 270J 50V NPO-C
CH CC 331J 50V NPO-C
CH CC 471J 50V NPO-C
CH CC 474Z 16V Y5V-C
CH CC 680J 50V NPO-C
CH CC 104Z 25V Y5V-B
RD 1/8W 47J-T
RD 1/8W 56J-T
RD 1/8W 120J-T
RD 1/8W 4.7KJ-T
RD 1/8W 47KJ-T
CH RD 1/16W 4.7J-C
CH RD 1/16W 10J-C
CH RD 1/16W 22J-C
CH RD 1/16W 47J-C
CH RD 1/16W 100J-C
CH RD 1/16W 330J-C
CH RD 1/16W 470J-C
CH RD 1/16W 1KJ-C
CH RD 1/16W 1.8KJ-C
CH RD 1/16W 2.2KJ-C
CH RD 1/16W 2.7KJ-C
CH RD 1/16W 3.3KJ-C
CH RD 1/16W 4.7KJ-C
CH RD 1/16W 6.8KJ-C
CH RD 1/16W 10KJ-C
CH RD 1/16W 15KJ-C
CH RD 1/16W 22KJ-C
CH RD 1/16W 39KJ-C
CH RD 1/16W 47KJ-C
2
1
1
1
1
2
1
2
1
1
2
2
1
1
2
1
1
2
1
1
1
1
4
1
2
6
1
3
3
1
7
1
6
1
2
1
12
6100157
6100159
6100160
CH RD 1/16W 56KJ-C
CH RD 1/16W 82KJ-C
CH RD 1/16W 100KJ-C
2
1
13
6100162
6100164
6100165
6100167
6100172
6100194
6110194
6160136
6160194
CH RD 1/16W 150KJ-C
CH RD 1/16W 220KJ-C
CH RD 1/16W 270KJ-C
CH RD 1/16W 390KJ-C
CH RD 1/16W 1MJ-C
CH RD 1/16W OJ-C
CH JUMP OJ-B
CH RD 1/10W 1KJ-A
CH RD 1/10W OJ-A
1
1
1
1
3
5
6
1
1
20
REMARK
C 37,42,44,62,63,74,78
,83,88,92,102,107,
110,111,
C 27-30,33-35,40,41,
43,65,66,71,85,87,
100,104,
C 36,76,
C 73,
C 77,
C 89,
C 69,
C 32,84,
C 103,
C 31,82,
C 70,
C 80,
C 90,113,
C 98,99,
C 81,
R 31,
R 500,501,
R 301,
R 302,
R 29,58,
R 57,
R 30,
R 92,
R 49,
R 15,17,69,80,
R 70,
R 54,73,
R 5,12,16,21,56,68,
R 66,
R 1,2,11,
R 8,39,76,
R 47,
R 18,59,61,64,65,67,90
R 82,
R 14,26,28,34,83,91,
R 51,
R 40,62,
R 41,
R 3,4,9,19,32,35,42,43
,50,75,89,93,
R 6,37,
R 25,
R 10,22-24,27,38,44,48
,55,72,74,79,84,
R 20,
R 36,
R 78,
R 86,
R 33,85,87,
J 41,45,46,51,52,
J 42-44,47,54,56,
R 63,
D 17,
ELECTRICAL PARTS LIST
PRD-4
PART NO
6500440
8000010
DESCRIPTION
CH RP 2.2KJx4-C
W/JUMP 5(10)0.6mm
8000030
8000040
8173649
8592300
8592750
W/JUMP 7.5(10)0.6mm
W/JUMP 10(10)0.6mm
W/PVC 200(6+6)WHT
W/UL1007#30 55(2.5x2)RW
W/2 270(6+6) R/B
Q'TY
6
12
28
2
1
1
1
21
REMARK
RP 1-6,
J 28-30,33-35,39,40,53
,55,57,301,
J 1-20,23-27,31,36,37,
J 32,38,
ANT
W 1,
W 301,
MECHANICAL PARTS LIST
PRD-4
Ref no
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
PART NO.
20K4001
20M3000
20M3010
20N2000
20N2010
21K9000
21K9120
21M3010A
21M3040
21N2000
21N2010
2256000
22G2020
22M3010
23K8030
23K8110
23M3000
23N2000
24M3000
24M3010
24N2000
301N201
303N201
304M301
304M301-1
304M301-2
305N201
307N201
313N201
320N201
343M301
344N201
360M301A
9062122
9090019
DESCRIPTION
LCD LIGHT LENS
RUBBER KEY HOLDER
LED COVER
CONDUCT RUBBER HOLDER
BAR ANT HOLDER
BATTERY CONTACT (+)(-)
BATTERY CONTACT ASS'Y
ROD ANT LUG
BATTERY CONTACT (+)
LCD HOLDER
A-PCB-SHIELD
P.C.B. HEMELON
HEMELON SPACER
RIBBON
LCD HOLDER NEP
NEP SPACER(E)
BATTERY COVER SPONGE
LCD LIGHT MYLAR
PAD
VR-KNOB SPACER
CONDUCT RUBBER
FRONT CABINET
BACK COVER
BATTERY COVER
BATT CASE
BATTERY CASE COVER
DIAL WINDOW
TOP COVER
PUSH RUBBER KEY
VR-KNOB
SPEAKER GRILL
SPK.FRAME
ROD ANT
SCREW JMB 2.6x12(NI)
SCREW M1.4x4(NI)
Q'TY
1
1
1
1
1
1
1
1
1
1
1
2
3
1
2
2
2
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
6
36
9103082
SCREW PTP 3x8(NI)
11
37
9151062
SCREW PTPW 2x6(NI)
9
38
9161082
SCREW PTB M2x8(NI)
2
22
DWG NO.
A4-RD2-04A
A2-RD15-08
A4-RD15-19
A4-PRD4-02
A4-PRD4-03
A3-TONE-35A
A4-TONE-51A
A4-RD15-22
A4-RD15-28
A4-PRD4-01
A4-PRD4-05
REMARK
A4-PC3-23
A4-RD15-30
A4-DDR3-25
A4-DDR3-26
A4-RD15-29
A4-PRD4-06
A4-RD15-13
A4-RD15-27
A4-PRD4-04
A1-RD15-01
A1-RD15-02
A2-RD15-09
A3-RD15-10
A4-RD15-11
A3-RD15-07
A1-RD15-03
A2-RD15-05
A4-RD15-18
A3-RD15-04
A2-RD15-06
A1-RD15-12
ROD ANT
TOP COVER/BACK COVER
x6
SPEAKERx4前/後CAB.x5
BAR ANT HOLDERx2
BATT-CASE/BACK COVER
x3 JACK-PCBx2/LCD
ASS'Y/FRONT CAB.x1
A PCB/FRONT CAB.x3
FRONT/TOP CAB.x2
IC CIRCUIT BLOCK DIAGRAM
1. IC1 – TC9318BF
24
2. IC2 & IC5 – 3002PL
3. IC3 – AN7141
25
4. IC4 – TA2149BFN
26
VOLTAGE LIST
IC1 – TC9318BF
PIN
OFF
FM
MW
LW
PIN
OFF
FM
MW
LW
1
1.48
1.49
1.49
1.49
33
0
2.85
0
0
2
1.50
1.50
1.50
1.50
34
0
0
2.95
0
3
1.48
1.50
1.50
1.49
35
0
0
0
2.95
4
1.48
1.48
1.48
1.48
36
0
2.85
2.98
2.98
5
1.47
1.48
1.48
1.50
37
0
0
0
0
6
1.47
1.48
1.48
1.47
38
0
0
0
0
7
1.47
1.48
1.48
1.48
39
0
0
0
0
8
1.47
1.48
1.48
1.47
40
-0.08
-0.25
-0.24
-0.24
9
1.49
1.49
1.49
1.47
41
0
0
0
0
10
1.47
1.48
1.48
1.47
42
1.43
1.37
1.39
1.37
11
1.47
1.48
1.48
1.47
43
0
0
0
0
12
1.47
1.48
1.48
1.47
44
0
0
0
0
13
1.47
1.48
1.48
1.49
45
0
0
0
0
14
1.47
1.48
1.48
1.48
46
0
0
0
0
15
1.47
1.48
1.48
1.49
47
0
0
0
0
16
1.47
1.48
1.48
1.50
48
0
0
0
0
17
1.47
1.48
1.48
1.48
49
3
3
3
3
18
1.48
1.48
1.49
1.47
50
0
1.41
1.46
1.46
19
1.48
1.48
1.48
1.47
51
0
0.19
0.15
0.10
20
1.47
1.48
1.48
1.47
52
0
0.96
0.96
0.96
21
1.47
1.48
1.49
1.47
53
0
0
0
0
22
1.47
1.48
1.48
1.47
54
0
0
0
0
23
1.48
1.48
1.48
1.40
55
0
0.8
0.8
0.8
24
1.47
1.48
1.49
1.47
56
3
2.86
2.99
2.99
25
1.47
1.48
1.49
1.47
57
3.01
2.85
2.98
2.98
26
1.47
1.48
1.48
1.48
58
0.31
0.33
0.31
0.33
27
0
0
0
0
59
0.34
0.34
0.35
0.34
28
0
0
0
0
60
1.40
1.40
1.40
1.40
29
0
0
0
0
61
2.97
2.97
2.97
2.97
30
0
0
0
0
62
0.74
0.73
0.73
0.74
31
3.02
2.99
2.98
2.99
63
2.23
2.23
2.23
2.23
32
0
0
0
0
64
1.50
1.50
1.50
1.50
27
IC2 – XC62AP3002PL
IC4 – TA2149BFN
PIN
FM
PIN
FM
AM
1
3.02
1
0
0
2
5.02
2
0.8
0
3
0
3
0.44
1.03
4
2.80
2.99
5
3.03
3.03
6
2.50
2.35
IC3 – AN7141N
PIN
FM
7
3.02
3.03
1
5.67
8
0
0
2
0
9
0
0.20
3
2.98
10
2.26
2.46
4
0.63
11
1.17
1.17
5
5.34
12
0.97
0.98
6
5.61
13
2.16
0.01
7
0
14
0
0
8
1.38
15
0.7
0.7
9
0.02
16
1.26
1.02
17
0.94
0.93
18
0
0
19
2.19
2.32
IC5 – XC62AP3002PL
PIN
FM
20
3.01
2.39
1
3.03
21
3.03
3.03
2
5.66
22
3.03
3.03
3
0
23
3.03
3.03
24
3.03
3.03
28
Transistor
FM
AM
0
0
E
0.42
E
0
Q1 B
0.58
0
Q9 B
0.96
Q17 B
0
C
0.01
1.79
C
0.44
C
0.94
E
0
0
E
0
0
0
E
0
0
B
0
0
0
Q18 B
0.01
0.56
C
0
0
0
C
2.16
0.01
E
0
0
0
E
0
B
0
0
0
Q19 B
0.64
C
0
0
0
C
0.13
E
5.69
E
0.51
E
LW
FM
0
Q2 B
0
0.58
0
C
3
0.10
3
E
2.86
Q10
*2
Q11
AM
LW
FM
Q3 B
2.31
C
2.85
E
0
0
0
Q4 B
0.56
0.56
0.56
Q12 B
4.98
Q20 B
C
4.46
4.75
3.83
C
5.66
C
5.12
E
0.56
0.56
0.56
E
5.72
5.72
5.72
E
0.56
B
5.17
5.17
5.17
Q21 B
0
0
*2
Q13
Q5 B
0.96
0.95
0.96
C
4.46
4.75
3.83
C
0
E
0
0
0
E
Q6 B
0
0
0.58
Q14 B
C
3
3
0.01
C
0.02
E
0
0
0
E
3.03
3.03
B
0
0
0
Q15 B
3.01
C
1.64
1.64
1.64
C
E
0.43
E
Q7
*1
Q8 B
C
0.44
3
*1
Light OFF
*2
BZ OFF
*2
AM
LW
0
0
C
0.51
0
E
0.11
0
Q22 B
0
C
0.64
3.03
E
0.59
3.01
2.44
Q23 B
0
2.39
3.01
3.01
C
0
3.03
3.03
3.03
E
0
0
0
B
0
0
0
C
5.35
5.35
5.35
E
0
0
0
Q25 B
0
0.57
0
C
0
0
0
Q16 B
3.01
2.44
3.01
C
2.39
3.01
3.01
29
Q24
*2
SEMICONDUCTOR LEAD IDENTIFICATIONS
Transistors
C
B C E
B
E
2SA1020Y
2SB808F
2SC4154
2SA1611
(E:Emitter C:Collector B:Base)
Diodes
A
C
A
C
RLS4148
1SS314
A
C
A
C
ZENER RD15
ZENER RD6.2
C
A
A
KV1610S
KV1450
(A:Anode C:Cathode)
30
SCHEMATIC DIAGRAM
31