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Standard schematic diagrams
Q Q 3 7 6 3 1 5 1 5 0
R248
220
RB160M-30-X
D243
R243
180k
R245
47
R242
22k
C242
22/16
Q241
2SD601A/R/-X
C241
1/50
QAU0394-001
TU1
R161
220k
D240
MA111-X
J1
R793
0
QNB0100-002
C8
L1
4.7u
AM.ANT
FM.ANT
D1 D2
C39
1000P
FM/AM.VT
AM.VCC
TUN.R
TUN.L
MUTE.DR
C81
C91
1/50
1/50
Q1
KTD1304-X
R81
R91
3.3K
3.3K
TU.L
CH.L
CD.L
C173
1/50
C172 1/50
C171 2.2/50
C181
0.1
R172
22k
C174
0.0082
2.2k
R173
R171
220k
MA111-X
D241
C178
0.0056
C175
0.22
C176
0.22
C177
0.033
C179
C180
R181
4.7/25
4.7/25
270
FM.VCC
IC31
TB2118F-X
C35
10P
PLLCE
PLLDA
PLLCL
PLLDI
RA30
2.2K
C37
10P
FM/AM
R7
4.7k
R6
47k
Q7
UN2211-X
R4
3.3k
IC161
TEA6320T-X
CD.R
TU.R
CH.R
C161 2.2/50
C162 1/50
C163
1/50
C166
0.22
C165
0.22
C167
0.033
C170
C169
R182
270
4.7/25
4.7/25
C46
C47
10
R43
0.01
0.01
R44
470 220
C50
100P
SD/ST
R13
47K
R10
10K
C160 C191
0.22
47/16
C159
0.10
C164
0.0082
C192
R162
100/16
22k
C168
0.0056
C194
0.01
C193
100/16
R32
6.2k
C34
0.047
R163
2.2k
C33
47/6.3
9V
SW5V
CD.R
CD.L
Q31 UN2211-X
PSW
SW1
SW2
LM0
LM1
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
RST
MP3REQ
MP3RESET
MP3STBY
MP3DIN
MP3DOUT
MP3CLK
DAC-CDTI
DAC-CCLK
DAC-CSN
DAC-PDN
CDON
CDRW
8V
VDD5V
DIMOUT
REMOCON
ACC5V
10V
ENC1
ENC2
LCDCE
LCDDA
LCDCL
KEY2
KEY1
KEY0
GND
CN701
QNZ0605-001
T E L 1 3 9 4 2 2 9 6 5 1 3
J801
QNZ0095-001
CH.R
CH.L
R805
100k
R803
100
R806
D715
SML-310VT/JK/-X
D716
SML-310VT/JK/-X
D717
SML-310VT/JK/-X
R709
10K
D718
MA8062/M/-X
10k
IC801
HD74HC126FP-X
SI SO SI
SO
I/O
R807
100k
R808
330
R809
22k
INT
SCK
R810
100
C801
0.047
R801
47k
C726
0.0039
CDON
C720 0.22
C247 0.01
IC701
UPD784217AGC320
R720 1.2k
DIM.OUT
R719 0
C706
0.1
VDD
VOLDA
VOLCL
R762
R761
R774
R773
BUCK
CCE
BUS0
BUS1
BUS2
BUS3
R760
R759
R716
R715
R717
R714
R713
R712
R711
R710
820
820
100
10k
820
820
820
820
CDRW
AMPSW
R778
R777
R708
R704
R705
SCK
3.3k
VPP
100K
47k
VSS
X1
X701
S701
QSW0451-001
X702
CH.SCK
2.2k
R780
C802
120P
R729
47k
RESET
RESET
R756
47k
IC771
BR24L16F-W-X
OPEN
EPROMCK
EPROMDA
C771
0.047
C723 0.047
R731
47k
R730
10k
R732
10K
S702
QSW0451-001
R743
R744
R745
R746
10k
10k
10k
10k
R775 47K
R776
R734
R735
R736
R737
R738
R739
R740
R706
R707
R741
R779
10k
47K
2.2k
2.2k
2.2k
47
4.7k
4.7k
4.7k
LCDCE
LCDCL
LCDDA
I/O
SCK
SO
SI
150k
150k
LEDB
LEDR
RD
TD
C707
0.047
SM
LEVEL
47K
4.7k
4.7k
4.7k
KEY2
KEY1
KEY0
ENC2
R747
R748
R749
R811
C724 0.047
QSW1049-001Z
S703
D714 UDZS5.6B-X
C710
47/6.3
IC702
IC-PST3433U-X
R757
2.2k
Q
L701
4.7u
Q
VDD
C711
220/10
C719
C730
C731
C732
C741
C729
C728
C721 0.01
0.01
0.01
0.01
0.01
0.01
C782
0.1
D782
MA111-X
D781
MA111-X
TELMUTE
R881
47k
3
Q891
UN2211-X
R782
47K
R891
1k
Q881
UN2211-X
7
C891
0.1
R882
4.7k
R783
10K
LEVEL
6
D902
MA111-X
VOLDA
VOLCL
AMPSW
RB160M-30-X
D851
D852
RB160M-30-X
OUTLF
OUTLR
OUTRR
OUTRF
8
Q977
2SB709A/QR/-X
ANT
R977 12k
3
HA13164A
1
R976
27k
IC901
5
C914
100/16
9
C312
0.47
51K
R312
C311
0.47
R311
51K
D321
MA111-X
D331
MA111-X
R321
2.2k
R331
2.2k
R332
R322
820
820
Q784
UN2111-X
1
R352
R342 820
820
D351
MA111-X R351
2.2k
R341
D341
MA111-X
2.2k
2
IC301
TB2906HQ
R301
51K
R302
51K
1k
R901
5
C902
2.2/50 0
R920
1.2K
4
C316
4.7/25
Q301
UN2211-X
0.0047
0.0047
C322
C323
0.0047
C324
0.0047
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
RB160M-30-X
C325
D991
D992
D993
D994
D995
D996
D997
D998
D901
1N5401-F64
470P
470P
470P
470P
470P
470P
470P
470P
C961
C962
C963
C964
C965
C966
C967
C968
8 RB160M-30-X 9 2
D971
RB160M-30-X
CN901
QNZ0611-001
QNN0519-001
J321
C901
3300/16
9
4
8
9
Parts are safety assurance parts.
When replacing those parts make sure to use the specified one.
8
2
2 9
9
9
9
MEM.IN
QAX0401-001
CN702
QGA2006F1-02
SHEET 1
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CD servo control section
5.1K
8 9
R586
R585
6.8k
180
C582
270P
2
GND
FEED-
VF2
FEED+
VCC
GND
VT2
SW1
VT1
SW2
VF1
PSW
VR
SPINDLE-
LD
SPINDLE+
FOCUS-
VREF
FOCUS+
MD
TRACKING+
TRACKING-
FEED-
VF2
FEED+
VCC
VT2
SW1
VT1
SW2
VF1
PSW
VR
SPINDLE-
LD
SPINDLE+
FOCUS-
VREF
FOCUS+
MD
TRACKING+
TRACKING-
R539
150
VREF
C533
0.01
R534
15k
C532
68P
R533
1k
R532 R531 R535
2k 10k 100
C531
C534
5p
0.1
RF
C530 0.1
IC521
TA2157FN-X
C515
0.01
LM1
R511 1.5k
1.5k
R512
VF1 R523 82k
VF2
VT2
VT1
VCC
82k T E L R524
R525 330k
1 3 9 4 2 2 9 6 5 1 3
C521
0.01
C525
C522
0.01
C523
100/10
C524
0.01
Q521
2SB1241/QR/-T
R529
82k
100/10
R527
R528
22
22
IC461
NJU7772F15-X
R461 100
R462 100
C502
0.01
C529
100/10
C528
C503
100/10
0.01
R504
15k
DMO
R502
8.2k
FOO
R503
4.7k
R501
FMO
33k TRO
VREF
47/10
C508
0.1
Q501
2SB1322/RS/-T
C501
AOUTR-
AOUTR+
C580 4.7/25
C589 4.7/25
R581 8.2k
R582 8.2k
C581
3300P
C599 4.7/25
AOUTL+
C590
AOUTL-
Q502
2SB1132/QR/-W
4.7/25
R516
330
R592 8.2k
R591 8.2k
C591
3300P
R538
33K
R537
0
CDRW
R536
820
C527
0.0068
R584 180
R583 8.2k
R593
R594
8.2k
180
C583 C593
270P 270P
R595
R596
180
6.8k
C592
270P
C596
100/10
IC581
NJM4580M-X
C597
0.01
C598
0.01
C559
C558
C557
C556
0.047
0.047
470P
470P
R548
R547
R546
47
47
47
SEL
TEB
RFGC
L541 47u
C570
47/6.3
0.01
C571
RA550
10K
Q541
UN2111-X L543
47u
Q
BUS0
BUS1
BUS2
BUS3
Q
BUCK
CCE
RST
Q542
C541
CDON 100/10 C542
0.01
R558
10k
3
C543
1/50
7 6 3
C545
0.01
C544
100/10
1
IC541
TC94A14FA
C552 0.033
C551
R545
10k
C550
C549
0.01
0.0027
0.033
5
R559
C547
0.015
C548 0.01
R544
10K
R543
470k
1
1.5M
5
C572
100/10
TE
RFDC
FE
RFRP
0
RF
R541
5.6k
C546
47P
VDD5V
C482
0.1
C481
47/16
Q543
UN2111-X
4
CD.R
CD.L
9 8 2 9
8 9 2 4
9V
SW5V
CD.R
CD.L
PSW
SW1
SW2
LM0
LM1
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
RST
8V
MP3REQ
MP3RESET 9
MP3CLK
DAC-CDTI
DAC-CCLK
DAC-CSN
DAC-PDN
CDON
CDRW
8 2 9 9
9
L404
47u
Q401
2SB624/4/-X
Q402
UN2211-X
C462
100/6.3
C463
100/6.3
L402
47u
C411
C412
100/10
0.01
12P
C418
C420
0.01
R405
2.2K
C419
X401
12P QAX0760-001Z
C413
R424
0.1
220
C414
0.0022
IC401
TC94A34FG-002
C404
0.01
R423
10K
R451
47k
22k
R453
4.7k
2.2k
R455
4.7k
2.2k
R457
4.7k
2.2k
C440
0.01
R440
4.7K
C430
0.01
IC431
SN74AHCT1G04K-X
C483
0.1
IC481
AK4385ET-X
R433
100
C405
1/50
R404
10k
C403
0.01
2.2K
2.2K
SHEET 2
2-3 http://www.xiaoyu163.com
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LCD & Key control section
Q Q 3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9
IC602
RPM7338-V4
LCD1
QLD0354-001
C681
0.022
0.022
C682
3.9K
T E L
R602
820
R601
820
1 3 9 4 2 2 9 6 5 1 3
R612
3.9K
R611
2.7K
R610
1.8K
R609
1.2K
R608
820
R607
820
KEY1
R614
820
R613
820
KEY0
D601
D602
D603
D604
D605
D606
D607
MA152WK-X
D640
D610
D611
D612
D613
D614
D615
D616
D617
D618 D619
D608 D609
EN601
QSW1115-002
Q
R672
470
R671
470
Q
R653
10k
R658
180k
3
IC601
PT6523LQ-L
7 6 3
INH
S49
S50
S51
1
S52
COM1
COM2
COM3
VDD
5 1
R654 10k
10k
10k
LCDDA
OSC
CE
CLK
DATA
5
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S32
S31
S30
0
C602
680p
R657
51k
DIM_CON
8
R624
470
9
C620
0
R670
DIMOUT
REMOCON
ACC5V
10V
ENC1
ENC2
LCDCE
LCDDA
LCDCL
KEY2
KEY1
KEY0
AUX.R
2
AUX.L
4 9 8 2 9 9
R622 R623
J601
QNS0245-001 w w w . x i a o y u 1 6 3 . c o m
2-4 http://www.xiaoyu163.com
SHEET 3
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Table of contents
- 3 SECTION 1 PRECAUTIONS
- 3 1.1 Safety Precautions
- 4 1.2 Preventing static electricity
- 4 1.3 Handling the traverse unit (optical pickup)
- 4 1.4 Attention when traverse unit is decomposed
- 5 1.5 Important for laser products
- 6 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS
- 7 SECTION 3 DISASSEMBLY
- 7 3.1 Main body
- 11 3.2 CD Mechanism Assembly
- 26 SECTION 4 ADJUSTMENT
- 26 4.1 Adjustment method
- 27 SECTION 5 TROUBLESHOOTING
- 27 5.1 Feed section
- 27 5.2 Focus section
- 27 5.3 Spindle section
- 27 5.4 Tracking section
- 28 5.5 Signal processing section
- 29 5.6 Maintenance of laser pickup
- 29 5.7 Replacement of laser pickup
- 30 5.8 16 PIN CORD DIAGRAM
- 33 Topcover
- 35 Block diagram
- 36 Standard schematic diagrams
- 39 Printed circuit boards
- 42 Backcover
- 43 COVER
- 44 Exploded view of general assembly and parts list
- 46 General Assembly
- 47 CD mechanism assembly and parts list
- 48 CD mechanism
- 49 Electrical parts list
- 49 Main board
- 52 Switch board
- 54 Packing materials and accessories parts list
- 55 Packing and Accessories