JVC kd-g285u User manual
SERVICE MANUAL
COPYRIGHT © 2006 Victor Company of Japan, Limited No.MA246
2006/2
CD RECEIVER
MA24620062
KD-G285U,KD-G285UN,
KD-G285UT,KD-G285UH
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
1-2 (No.MA246)
SPECIFICATION
Design and specifications are subject to change without notice.
AUDIO AMPLIFIER SECTION
Maximum Power Output Front 50 W per channel
Rear 50 W per channel
Continuous Power Output (RMS) Front 19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more
than 0.8% total harmonic distortion.
Rear 19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more
than 0.8% total harmonic distortion.
Load Impedance 4 Ω(4 Ωto 8 Ωallowance)
Tone Control Range Bass ±10 dB at 100 Hz
Treble ±10 dB at 10 kHz
Frequency Response 40 Hz to 20 000 Hz
Signal-to-Noise Ratio 70 dB
Line-Out Level/Impedance 2.0 V/20 kΩload (full scale)
Output Impedance 1 kΩ
Other Terminals CD changer
TUNER SECTION
Frequency Range FM 87.5 MHz to 108.0 MHz
AM 531 kHz to 1 602 kHz
FM Tuner Usable Sensitivity 11.3 dBf (1.0 µV/75 Ω)
50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 Ω)
Alternate Channel Selectivity (400 kHz) 65 dB
Frequency Response 40 Hz to 15 000 Hz
Stereo Separation 30 dB
AM Tuner Sensitivity 20 µV
Selectivity 35 dB
CD PLAYER SECTION
Type Compact disc player
Signal Detection System Non-contact optical pickup (semiconductor laser)
Number of Channels 2 channels (stereo)
Frequency Response 5 Hz to 20 000 Hz
Dynamic Range 96 dB
Signal-to-Noise Ratio 98 dB
Wow and Flutter Less than measurable limit
GENERAL
Power Requirement Operating Voltage DC 14.4 V (11 V to 16 V allowance)
Grounding System Negative ground
Allowable Operating Temperature 0°C to +40°C
Dimensions (W ×H ×D) Installation Size (approx.) 182 mm ×52 mm ×150 mm
Panel Size (approx.) 188 mm ×58 mm ×11 mm
Mass (approx.) 1.4 kg (excluding accessories)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
(No.MA246)1-3
SECTION 1
PRECAUTION
Please refer to "KD-G425 (No.MA245)" about this section.
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
Please refer to "KD-G425 (No.MA245)" about this section.
SECTION 3
DISASSEMBLY
For disassembly and adjustment are follow the service manual No.MA245.
For the CD mechanism, please refer the mechanism manual TN2007-1001 (No.MY003).
SECTION 4
ADJUSTMENT
Please refer to "KD-G425 (No.MA245)" about this section.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
1-4 (No.MA246)
SECTION 5
TROUBLESHOOTING
5.1 16 PIN CORD DIAGRAM
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
9
BK
RD
BL
BL/WH
WH
GN
VI
GY
YL
NC
NC
WH/BK
GN/BK
VI/BK
GY/BK
GND
16 YL
8 BK
7 RD
3 GN
11 GN/BK
2 VI
10 VI/BK
4 WH
12 WH/BK
1 GY
9 GY/BK
5 BL/WH
6 BL
Black
RD
BK
Red
BL Blue
WH White
GN Green
VI Violet
GY Gray
YL
Yellow
RR
FR
FL
RL
REMOTE
ANT
ACC
GND
MEMORY
Rear Right
Front Right
Front Left
Rear Left
Remote
ACC Line
Ground
Memory Backup Battery+
Auto Antenna
MEMORY
GND
ACC
RL+
RL-
RR+
RR-
FL+
FL-
FR+
FR-
REMOTE
ANT
REMOTE
OUTPUT
ONLY
POWER
ANTENNA
NC
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
(No.MA246)
Mobile Entertainment Business Group Mobile Entertainment Category 10-1,1chome,Ohwatari-machi,Maebashi-city,Gumma-ken, 371-8543,Japan
Victor Company of Japan, Limited
VPT
Printed in Japan
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
2-1
2-2
2-5,6
CD-ROM No.SML200602
SCHEMATIC DIAGRAMS
CD RECEIVER
No.MA246SCH
2006/2
KD-G285U,KD-G285UN
KD-G285UT,KD-G285UH
COPYRIGHT 2006 Victor Company of Japan, Limited.
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
!Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
Safety precaution
!Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
2-1
Block diagram
SPINDLE
MOTOR
POSITION SET
SWITCH
LOAD&FEED
MOTOR
SW1, SW2
PICK UP
PSW
SW1, SW2
IC561
BTL
DRIVER
IC501
RF AMP
IC521
DSP&DAC
IC581
CD L.P.F.
VF1,VF2
VT1,VT2
MD,LD
FBAL
TBAL
FE
TE
RFENV
VDET
OFTR
RFDET
BDO
LDON
ARF
TRV
TVD
ECM
ECS
FOD
KICK
TRD
TU1
FM/AM
TUNER
IC701
CPU
IC161
E.VOLUME
Q341, Q351
LINE OUT
MUTING
Q301
Q781
Q782
MUTING
IC301
POWER
AMP.
IC901
REGULATOR
EACH BLOCK
TU_L
TU_R
OUTLF,OUTRF
OUTLR,OUTRR
LRO
RRO
LRO
RRO
P.ICSTBY
P.ICOFFSET
ACC
SW5V,ACC5V
VDD.CD8V
AUDIO9V,ILL_10V
CD.LCH
CD.RCH
P.SAVE2
ANT REMOTE
LF+,LF-
RF+,RF-
LR+,LR-
RR+,RR-
SDA
SCL
MUTE
MUTE.CONT
ANT
SW1
SW2
PSW
LM
MSW
FEED+
FEED-
SPINDLE+
SPINDLE-
VF1,VF2,VT1,VT2,LD,MD,VREF
SPINDLE+
SPINDLE-
FEED+
FEED-
TRACKING+
TRACKING-
FOCUS+
FOCUS-
SPK
BATTERY
SSM
EO
IFC
IFC.CONT
FM.OSC
S.METER
FM/AM
SEEK/STOP
SD/ST
MONO
KEY0 to 2
LCD.SCK
LCD.SO
LCD.CE
REMOCON
ENC1,ENC2
DETACH
DIMMEROUT
OUTL
OUTR
LINE OUT
REAR
FOCUS &
TRACKING
COIL
TRACKING+,TRACKING-
FOCUS+,FOCUS-
CD mechanism control section
Main amplifier section
S601 to S618
KEY MATRIX
KEY0
KEY1
KEY2
IC661
LCD DRIVER
LCD1
LCD DISPLAY
COM1 to COM3
S1 to S52
LCD.CL
LCD.DA
LCD.CE
IC681
REMOCON
REMOCON
JS686
ENCODER
D630
POWER LED D652,D653
DIMMER
LCD & Key control section
D631 to D648
D650,D651
LIGHTING
DISPLAY
CJ601
CN701
Q670,Q671
DIMMER
CONT.
ENC1
ENC2
DETACH
DIMMEROUT
ILL_10V
ACC5V
CHANGER
CONTROL
IC801
JVC BUS
JBUS.SI
JBUS.SO
JBUS.IO
JBUS.SCK
JBUS.INT
JBUS.SI
SCK
CH.L
CH.R
CN501
J801
CN901
CJ1
CD.RESET
STATUS
SUBQ
SQCK
TLOCK
FLOCK
CD.SENSE
MLD
MDATA
MCLK
ILL_10V
MUTE
CJ321
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
2-2
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
R733
C706
R715
R718
Q782
Q31
Q902
X701
C703
C704
CJ1
R739
R740
R735
IC701
C702
D6
C319
R312
C705
CN901
R907
R732
R712
C901
C351
R707 Q301
C341
R729
R736
D701
Q351
IC901
R731
R730
C916
C302
C304
C303
C168
R303
R716
D901
C361
C903
C169
C174
C164
C163
C310
C309
R172
R162
R717
R165 R310
R175
R311
R166
R167
R177
R176
Q4
Q1
C311
Q341
R713
R720
R721
C178
Q6
D903
C701
D301
R355
R301
IC801
C902
D706
C317
C318
R341
R351
L1
C33
CN701
R302
R345
D331
Q32
Q903
R342
C707
R91
R81
TU1
B305
R752
IC301
J801
C711 C712
R801
R803
R753
C308
C307
C306
C305
R754
R751
R352
R902
R802
Q5
R809
C801
C715
R31
R304
C320
Q2
C325C324
R308 R309
D341
C322 C323
CJ321
R313
D702
R705
R706
R701
C179
Q781
IC161
R11
C915
C32
R34 R35
R33
R32
C783
D5
C782
D715
D905
C93
R737
R738
C905
R743
R191
C909
C4
R906
R16
R910
C10
R5
C82
R745
R708
D720
R905
R901
R903
C13
C312
R727
L701
D719
C910
C5
R728
C12
C904
C908
R9
C914
C172
C919
C175 C165
C162
C171 C161
C173
C195
C193
C196
C167
C194
R173 R163
C192
C177
R13
R1
C6
D906
R810
C191
C83
R14
C1
R918
C913
C313
R10
D7
R3
D907
C8
C2
L901
C3
C9
C7
R749
C81
C91
C185
R909
R709
C31
R92
R82
D1
C14
D2
D3
C567
R908
C314C315
D4
D714
D716
D713
D717
D718
D712
D782
D711
R2
D904
R711
R4
C907
C713
R911
R912
C92
R807
R808
R805
R806
R804
C911
C182 C181
D781
R307
R306
R305
C301
R710
R723
C917
R704
R703
R724
R726
R725
C781
R12
R6
C11
R741
47k
220p
47k
47k
RT1P141C-X
2SC3928A/QR/-X
2SC3928A/QR/-X
QAX0759-001Z
9p
9p
QNB0190-001
22k
22k
4.7k
LC723662-9D20
0.01
1SS355W-X
0.47
7.5k
10/16
QNZ0611-001
12K
1K
4.7K
2700/16
100P
0
RT1N441C-X
100P
47k
22k
1SS355W-X
KTD1304-X
AN80T71
10K
10K
2.2/50
4.7/25
0.022
0.022
0.47
1k
47k
1N5401-F64
0.1
22/16
0.47
0.033
0.0330.22
10/16
100/16
22k
22k
47k
47k
2.2
47k
2.2
0
0
0
0
RT1N141C-X
RT1N141C-X
22/16
KTD1304-X
4.7K
47k
47k
0.47
2SA1530A/R/-X
1SS355W-X
220/6.3
1SS355W-X
2.2K
1k
SN74AHC126NS-X
0.01
1SS355W-X
1/50
1/50
820
820
4.7u
2.2/50
QGZ1601J1-15
47K
2.2K
1SS355W-X
2SC3928A/QR/-X
2SA1530A/R/-X
100
0.1
5.6k
5.6k
QAU0312-002
0
47k
LA47201
QNZ0095-001
0.1 0.1
100k
100
47k
0.1
QMFZ047-150-T
0.1
0.1
0.1
47k
47k
100
1k
100k
2SA1365/F/-X
10K
0.047
0.1
1k
47k
0.01
RT1N141C-X
0.1
0.1
2.2 2.2
1SS355W-X
0.1 0.1
QNN0773-001
33k
1SS355W-X
10K
10K
47k
0.47
RT1P141C-X
TEA6320T-X
10k
2.2/50
0.001
1k 10k
1.5k
1k
0.082
UDZS10B-X
47/16
UDZW6.2B-X
CRS03-W
1/50
4.7k
4.7k
22/16
47K
10
100/10
0.022
1K
100K
47k
0.1
22k
4700p
47k
3.3k
UDZW6.2B-X
1K
9.1k
4.7k
22/16
100P
4.7k
4.7u
UDZW6.2B-X
0.01
0.047
4.7K
0.01
22/16
100/10
22
0.1
0.22
10/16
0.0056
0.0056
0.22
0.0082 0.0082
0.22
0.22
100/10
0.1
4.7/25
47/16
2.2k 2.2k
0.01
4.7/25
10k
82
0.01
CRS03-W
100k
100/10
1/50
2.2k
220p
10K
0.22
100P
22
1SS355W-X
10
CRS03-W
120p
47/16
QQR0703-001
0.1/50
220/10
0.1/50
47k
0.01
0.01
0.01
27K
3.3k
220/10
15k
15k
1SS355W-X
100p
1SS355W-X
1SS355W-X
0.01
27K
100P100P
1SS355W-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW6.2B-X
UDZW11B-X
UDZW6.2B-X
10k
CRS03-W
10k
10k
0.01
0.1
2.2K
2.2K
4700p
100
22k
330k
100k
330k
220/10
1/50 1/50
1SS355W-X
0
0
100
0.22/50
3.3k
4.7k
0.1
47k
47k
4.7k
4.7k
4.7k
220/6.3
1k
8.2k
330P
47k
RF+
RRO
SCL
MSW
CD.LCH
KEY1
PSW
RR+
VDD
IFC
LR+
SW1
LCD.CE
MUTE.CONT
KEY0
LRO
SDA
SW2
LM
LF+
DETACH
CD.RCH
RF-
RR-
LR-
LF-
CD8V
CD.RESET
STATUS
P.ICOFFSET
9V
SUBQ
SQCK
MCLK
MDATA
MLD
TLOCK
FLOCK
CD.SENSE
D.GND
ACC5V
REMOCON
MSW
ENC1
LM
ILL_10V
ENC2
LCD.SCK
LCD.SO
KEY0
KEY1
KEY2
SW5V
CD.RESET
MCLK
MDATA
MLD
KEY2
P.ICSTBY
FM.OSC
ENC1
ENC2
EO
DIMMEROUT
DIMMEROUT
SDA
SCL
MEMORY.IN
SD/ST
SW2
MONO
PSW
IFC.CONT
LCD.CE
REMOCON
FM/AM
IFC
MONO
EO
SEEK/STOP
S.METER
MUTE
FM.OSC
JBUS.SCK
JBUS.SI
FM/AM
LF+
SD/ST
JBUS.INT
RRO
LRO
MUTE.CONT
CD.RCH
JBUS.SI
LR+
LF-
LR-
DETACH
CD.LCH
CH.R
RR+
SW1
RR-
FLOCK
RF-
IFC.CONT
CH.L
CH.R
SCK
JBUS.SO
S.METER
JBUS.SCK
JBUS.SO
JBUS.IO
JBUS.IO
LCD.SCK
SUBQ
SQCK
LCD.SO
TLOCK
CD.SENSE
STATUS
RF+
SEEK/STOP
JBUS.INT
SSM
SSM
MUTE
P.ICSTBY
P.ICOFFSET
!
!
!
!
!
!
Standard schematic diagrams
Main section
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
2-3
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
IC561
C592
C566
R538
C593
L501
C544
R581
C594
R503
RF
X521
R591
ARF
C571
C552
IC581
C572
L522
IC521
C529
R553
R558
C591
R554
C503
VREF
R506
C581
R550
C515
C506
R505
C570
R517
R516
R515
C551
Q501
C516
C517
C521
C522
C520
C538
C528
C546
D561
R533
C534
C595
C543
IC501
C584
C535
R585 R586
R596
R595
C583
FE
TE
CN501
C582
R510
R540
R539
C545
R547
R548
C514
C524 C523
R512
R528
R582
C565
R511
R583
R559
C502
R557
R552
L521
C513
R529
C504
R551
R504
C531
C526
C559
R502
R501
C508
C507
C555
C512
C510
C511
Q561
R570
C556
C509
C518
R514
R513
R509
R507
R508
C539
C525
C527
C557
C558
C532
R537
R556
R531
R534
R541
C533
R542
C530
R544
R593
R592
R546
R545
R543
C542
R527
R526
R524
R523
R522
R521
C501
C537
LA6242H-X
2.2/50
0.01
100
150p
4.7U
68P
15k
47/6.3
12
TP
QAX0714-001Z
15k
TP
47/10
0.01
NJM4565E-X
0.022
4.7U
MN6627482WA
100/10
0
10K
0.001
51k
0.022
TP
1.5k
0.001
12K
100/10
68p
3.3k
47/6.3
150
47k
47k
220/10
2SA2112-T
39p
0.047
0.022
0.022
270p
470p
0.1
68P
1A3G-T1
120k
220/10
100/10
0.033
AN22002A-W
47/6.3
0.01
22k 22k
22k22k
150p
TP
TP
QGB2027M4-22S
2.2/50
36k
1M
1K
0.1
270K
5.6K
0.1
0.033 0.033
39K
1k
5.6k
0.01
62K
22k
330
10/16
3.3K
18k
4.7U
150P
1k
100/10
2k
3.9k
0.001
100p
4.7/25
22
22
0.1
0.33
0.047
0.0027
0.039
0.0027
2SA2112-T
8.2k
0.047
0.056
0.047
220k
82k
270k
220k
56k
0.022
0.1
0.1
0.047
0.047
0.1
220
10K
100K
470
6.8k
100/10
560
0.1
1.5K
22k
5.6k
15k
2k
47k
3300P
1k
1k
1k
1k
1k
1k
0.1
0.33
CD8V
ECM
ECS
VF2
ARF
VF1
MDATA
MD
TRV
LD
KICK
FOCUS+
GND
FEED-
GND
VF2
LM
FEED+
VCC
TRD
VT2
VT1
FEED-
CD.LCH
PSW
VT2
TVD
VF2
SW1
CD.RCH
VT1 SW2
VF1 PSW
SW1
FEED+
VCC
GND
VT2
SW1
VT1
SW2
VF1
PSW
VR
TLOCK
SPINDLE-
SW2
LD
SPINDLE+
MCLK
SPINDLE-
FOCUS-
OFTR
VREF
FOCUS+
MD
TRACKING+
TRACKING-
FEED-
FEED+
SPINDLE+
SW1
SPINDLE-
LD
SPINDLE+
SW2
FOCUS-
PSW
MD
FBAL
TBAL
TRACKING+
FE
RFENV
VDET
VCC
FLOCK
TRACKING-
TRACKING+
FOCUS+
TRACKING-
FOCUS-
LD
RFDET
BDO
LDON
VCC
CD.RESET
GND
SQCK
LM
FOD
MSW
MLD
STATUS
SUBQ
CD.SENSE
TE
MD
VR
VF1
VREF
VT1
GND
VT2
VF2
A.GND
9V
CD.SENSE
CD.RESET
MCLK
BDO
TBAL
VDET
RFDET
FEED+
TE
RFENV
FEED-
FE
FBAL
MSW
FLOCK
SPINDLE+
STATUS
SPINDLE-
SUBQ
SQCK
TLOCK
MLD
MDATA
FOCUS+
FOCUS-
TRACKING-
TRACKING+
OFTR
FOD
ECS
ECM
TVD
TRV
LDON
ARF
!
!
CD servo control section
w
w
w
.
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3
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c
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3
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1
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1
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0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
2-4
LCD & Key control section
R601
C661
D644 D643
JS686
D641
S606
IC681
C681
C682
D642
D640
D638
D639
D636
D637
D635
D634 D645
S612
R605
D662
IC661
C686
D633
C687
S602
D647
D648
D650
S601
D646 D651
R610
CJ601
R662
C663
C662
R666
R667
R668
S607
S605S604S603
S608S609
S610
S611
S613
S614
S615
S616
R613 R612
R606
R607
R609 R608
R602
R603
R604 R661
R611
D632
D631
R614
S617
R615
S618
R670
LCD1
Q671
R663
R664
R689
D661
R649
R638
R640
R682
R681
R631
R690
R632
R639
R637
R686
R642
R634
R641
R633
R635
D652
R644
R643
D681
R665
R650
R636
R630
D630
D653
R645
R646
R671
R672
Q670
820
10/6.3
QSW0976-001
RPM7338-V4
4.7/6.3
0.012
2.7k
UDZW5.1B-X
PT6523LQ-L
0.022 0.022
2.7k
QGZ1601K1-15S
2.2K
0.022
680p
10K
10K
10K
1.2k 820
820820
1.8k 1.2k
820
1.2k
1.8k 2.2K
820
1.8k
2.7k
470
QLD0390-001
RT1N141C-X
180K
10K
1SS355W-X
390
10K
470
470
330
470
100
330
470
330
NSPW310BS/BRST/
330
UDZW6.2B-X
51K
390
820
SML-310LT/MN/-X
NSPW310BS/BRST/
470
47K
1K
2SA1365/F/-X
KEY2
ACC5V
KEY1
CE
CLK
DATA
REMOCON
KEY2
ENC2
ILL_10V
KEY0
KEY1
GND
ENC1
DIMMEROUT
S31
S32
S30
S29
S27
S28
S25
S26
S24
S20
S23
S22
S21
S18
S19
S17
KEY0
LCD.CE
LCD.SO
LCD.SCK
LCD.CE
LCD.CL
LCD.DA
INH
OSC
COM3
COM2
COM1
COM3
COM2
DIMMEROUT
S1
COM1
S2
S3
S4
S5
S10
S6
S7
S8
S9
S11
S13
S12
S14
S15
S16
S49
S50
S18
S17
S20
S19
S21
S22
S23
S26
S24
S25
S27
S30
S28
S29
S31
S32
S33
S34
S35
S36
S37
S39
S38
S43
S40
S41
S42
S44
S46
S45
S48
S47
S50
S49
S51
S52
S46
S48
S47
S45
S44
S43
S42
S41
S39
S51
S40
S52
S38
S37
S34
S36
S35
S33
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
w
w
w
.
x
i
a
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y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
2-5
C2
C3
B303
C7
C9
C31
C33
C83
C93
C167
C168
C169
C177
C178
C179
C181
C182
C191 C193
C194
C905
C529
C301
C302
C309
C310
C311
C317
C318
C502
C504
C515
C533
C534
C582
C584
C592
C594
C595
C701
C705
C781
C901
C903
C904
TU1
C908
C909
C911
C915
C916
CJ1
CJ321
CN501
CN701
CN901
D561
C551
D901
IC301
IC901
J801
L1
L501
L521
L522
L701
L901
Q501
Q561
C559
C919
R902
C13
X521
X701
B301
C782
C319
Main board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Printed circuit boards
forward side
Switch board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
forward side
D630
D631
D632
D633
D635
D636
D637
D638
D639
D640
D641
D642
D643
D644 D645 D646
D647 D648
D650
D651
D652
D653
IC681
JS686
LCD1
R602
R603
R604
R605
R606
R607
R608
R609
R610
R611
R612
R613
R614
R615
R630
R631
R632
R633
R634
R635
R636
R637
R638
R643
R644
S601
S602
S603
S604
S605
S606
S607
S608
S609
S610
S611
S612
S613
S614
S615
S616 S617
S618
D634
w
w
w
.
x
i
a
o
y
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1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
2-6
Main board
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Switch board
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
reverse side
reverse side
ARF
C1
C2
C3
C4
C6
C7
C8
C9
C10
C11
C31
C32 C33
C81
C82
C83
C91
C92
C93
C161
C162
C163 C164
C165
C167
C168
C169
C171
C172
C173
C174
C175
B305
C177
C178
C179
C181
C182
C191
C192
C193
C194
C905
C529
R749
C301
C302
C303
C304
C305 C306 C307
C308
C309
C310
C311
C312
C313
C314
C315
C317
C318
D701
D702
C341
C351
C501 C502
C503
C504
C506
C507
C508
C509
C510
C511
C512
C513
C514
C515
C516C517
C518
R9
C520
C521
C522 C523
C524
C525
C526
C527
C528
C530
C531
C532
C533 C534
C535
Q782
C537
C538
C539
R541
C917
C581
C582
C583
C584
C591
C592
C593
C594
C595
C701
C702
C703
C704
C705
C711
C712
C713
C715
C781
C801
C901
C902
C903
C904
TU1
C706
C907
C908
C909
C910
C911 C914
C915
C916
CJ1
CJ321
CN501
CN701
CN901
D1
D2
D3
D4
D5
D6
IC561
R553
R554
R556
R552
D301
D331
D341
D561
D706
D711
D712
D713
D714
D715
D716
D717
D718
D719
D720
D781
D782
C552
C551
C555
D901
D903
D904
D905
FE
IC161
IC301
IC501
IC521
C556
IC581
IC801
IC901
J801
L1
L501
L521
L522
L701
L901
Q1
Q2
Q4
Q5
Q6
Q31
Q32
C557
Q301
Q341
Q351
Q501
Q561
Q781
Q902
Q903
R1
R2
R3
R4
R5
R6
C12
C5
R540
R10
R11
R12
R13
R14
R16
R31
R32
R33
R34
R35
R81
R82
R91
R92
C558
R162
R163
R165
R166
R167
R547
R172
R173
R175
R176
R177
R191
R550
R548
R559
C559
C542
C543
R542
R544
R301
R543
R303
R341
R342
R345
R351
R352
R355
R501
R502
R503
R504
R505
R506
R507
R508
R509
R510
R511
R512
R513
R514
R515
R516
R517
R521
R522
R523
R524
R526
R527
R528
R529
C783
R531
C546
R533
R534
C919
R537
R538
C185
C544
R581
R582
R583 R585
R586
R591 R592
R593
R595
R596
R701
R703
R704
R705
R706
R707
R708
R709
R710
R711
R712
R713
R715
R716
R717
R718
R720
R721
R723
R724
R725
R726
R727
R728
R729
R730
R731
R732
R733
R735
R736
R737
R738
R739
R740
R741
R745
R304
C570
R801
R802
R803
R804
R805
R806
R807
R808 R809
R810
R901
R902
R903
R570
R905
R906
R907
R908
R910
R911
R912
RF
TE
C13
VREF
X521
X701
R305
C320
C195
C196
R539
C545
C782
R546
R545
R551
C571
R558
R557
C17
R308
C16
C565
R751
R752
R753
R754
C566
R309
R310
R311
C325
C567
R909
C14
IC701
C361
R743
C319
R312
R302
D907
D906
R918
C913
R306
R307
D7
C322
C323
C324
R313
B306
C572
C707
B307
B308
C661
C662
C663
C681
C682
C686
C687
CJ601
B642
D652D653
D661
D662
D681
IC661
IC681
JS686
Q670 Q671
R601
R639
R640
R641
R642
R645
R646
R649
R650
R661
R662
R663
R664
R665
R666
R667
R668
R670
R671
R672
R681
R682
R686
R689
R690
w
w
w
.
x
i
a
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u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
(No.MA246SCH)
Printed in Japan
VPT
Mobile Entertainment Business Group Mobile Entertainment Category 10-1,1chome,Ohwatari-machi,Maebashi-city,Gumma-ken,371-8543,Japan
Victor Company of Japan, Limited
w
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1
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3
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c
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Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
3-1
PARTS LIST
- Contents -
Exploded view of general assembly and parts list (Block No.M1)
Electrical parts list (Block No.01~02)
Packing materials and accessories parts list (Block No.M3)
KD-G285U,KD-G285UN,KD-G285UT
KD-G285UH
3- 2
3- 5
3-10
* All printed circuit boards and its assemblies are not available as service parts.
* Please refer to the mechanism manual (model TH2007-1001, No.MY003)
for the CD mechanism.
MA246
w
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3
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c
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6
3
1
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1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
3-2
Exploded view of general assembly and parts list
B
C
Switch
board
Block No. MM
M
1
5
5
3
8
2
4
4
4
27
18
17 25
26
2124
22
23
20
19 30
29
28
33
41
36
35
31
32
32
32
16
13
14
9
15
53
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
3-3
A
C
A
r
d
Main
board
N
o. MM
M
1
1
2
4
33
41
36
35
42
34
40
39
38
37
31
32
32
32
16
13
14
10
911
12
7
9
15
7
50 43
51
52
44 6
6
645
49
47
46
53
54
48
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
3-4
General Assembly
Block No. [M][1][M][M]
Symbol No. Part No. Part Name Description Local
1 GE10136-001A TOP CHASSIS
2 GE40135-001A EARTH PLATE
3 GE31894-001A HEAT SINK
4 QYSDST2604ZA TAP SCREW M2.6 x 4mm(x3)
5 GE40235-001A SCREW (x2)
6 QYSDST2604ZA TAP SCREW M2.6 x 4mm(x3)
7 GE40235-004A SCREW (x2)
8 QYSDST2610ZA TAP SCREW M2.6 x 10mm
9 QYSDST2004ZA TAP SCREW M2 x 4mm(x2)
10 GE10137-001A FRONT CHASSIS
11 GE31569-002A LOCK LEVER
12 GE40269-001A TORSION SPRING
13 GE31978-001A RLS KNOB
14 GE40202-011A COMP.SPRING
15 GE40294-002A BLIND
16 FSYH4036-098 SHEET
17 GE10143-003A FRONT PANEL
18 GE31985-022A FINDER ASSY
19 GE31968-002A POWER BUTTON
20 GE31993-004A SRC BUTTON
21 GE32000-004A DISP BUTTON
22 GE20191-004A PRESET BUTTON
23 GE40218-046A SHEET
24 GE31991-005A EJECT BUTTON
25 GE31990-002A DETACH BUTTON
26 GE40202-017A COMP.SPRING
27 GE40315-002A VOL KNOB ASSY
28 GE31989-001A NAVI BASE
29 GE40127-002A COMP.SPRING
30 GE40316-004A NAVI BTN ASSY
31 GE10145-001A REAR COVER
32 VKZ4777-010 MINI SCREW (x4)
33 GE31995-001A LCD CASE
34 GE31997-001A LENS CASE
35 GE31999-001A LCD LENS
36 GE40299-001A LIGHTING SHEET
37 GE31895-001A BOTTOM COVER
38 GE31984-001A INSULATOR
39 GE31849-001A NAME PLATE
40 LV41843-002A LASER CAUTION
41 QLD0390-001 LCD MODULE
42 QNZ0823-001 LCD CONNECTOR
43 QMFZ047-150-T FUSE 15A
44 GE31571-007A REAR BRACKET
45 QYSDST2606ZA TAP SCREW M2.6 x 6mm
46 QYSDST2606ZA TAP SCREW M2.6 x 6mm
47 QYSDSF2606ZA TAP SCREW M2.6 x 6mm
48 QYSDSF2606ZA TAP SCREW M2.6 x 6mm(x2)
49 QYSDST2606ZA TAP SCREW M2.6 x 6mm
50 GE40172-004A IC BRACKET
51 GE40103-003A REG BRACKET
52 GE40107-002A HEAT SINK
53 GE30854-001A LED HOLDER
54 GE31574-023A UT LABEL G285UT
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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3
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