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Block diagram
5
SW1 SW4
REST
REST
REST
SW
LOADING
SPINDLE
FEED
LOADING
LOADING
LOADING
TRACKING
MOTOR
FOCUS
4
FEED
FEED
MOTOR
SPINDLE
SPINDLE
MOTOR
SW1
SW4
SW1
SW4
A,B,C D,E,F
PICK UP
LD.MD
TRACKING
3
FOCUS
IC601
S619
JS690
IC602
KEY
REMOCON
ENCODER
MATRIX
ENC1
ENC2
REMOCON
2
KEY0,KEY1,KEY2
LCD1
IC601
COM1
LCD_CO
LCD
COM2
LCD_CLK
DRIVER
COM3
LCD_SO
S1
S50
1
A
B
LM0
FEED
LM1
IC561
IC571
SERVO
CD
CD
LPF
DRIVER
DMO,FMO,FOD,TRO
LO
RO
IC151
VA,VB,VC
IC501
RF-GC,RF
VE,VF,MD,LD
DSP
RF AMP
RFRP,TE
&
SEL,TEB
RFDC,TE
DAC
CD-RW
C
CJ1
ANT
TU1
FM/AM
TUNER
AMEO
FMEO
CD. L
CD. R
IC701
BUS0
BUS3
MICON
BUCK,CCE
RST,CDON
CD.L
CD.R
REMOCON
ENC1
ENC2
LCD.CL
LCD.CE
LCD.DA
KEY0
KEY1
KEY2
D
E
TU.LCH
TU.RCH
FM/AM
LRO
FMOSC
RRO
IFC
IC161
AGC
E.VOL
S.METER
SD/ST ,MONO
S.METER
SI
SC
ANT
CDON
IC901
PS2
REGULATOR
EACH BLOCK
CN901
SPK
BATTERY
F
G
KD-S687
CJ302
LINE OUT
LFO
LRO
RFO
RRO
IC302
POWER
AMP
LF
RF
LR
RR
2-1
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Summary of Contents for JVC KD-S687
- Page 1 KD-S687 Block diagram TU.LCH FM/AM TU.RCH TUNER SW1 SW4 REST FEED REST REST FM/AM AMEO LOADING FMOSC FMEO SPINDLE CJ302 IC161 IC561 IC571 FEED LINE OUT E.VOL LOADING SERVO LOADING LOADING TRACKING S.METER MOTOR FOCUS SD/ST ,MONO CD. L DRIVER S.METER...
- Page 2 KD-S687 KD-S687 Standard schematic diagrams Main amp section Q976 UN2111 D976 1SS133 R331 R332 Q977 UN2111 MUTE 2.2k Q331 C331 QAU0257-001 R335 2SD1048/6-7/-X 100P QNB0100-002 Q321 R325 2.2k C321 2SD1048/6-7/-X 100P R321 R322 MUTE.CONT 4.7u R351 R352 CJ321 D331 R355 2.2k...
- Page 3 KD-S687 CD servo control section R564 6.8k R563 5.6k R572 R575 C572 R574 R571 C573 CD.L R562 6.8k R573 C561 120p 4.7/25 R566 47/6.3 8.2k( 1/10W) Q561 CN501 2SB1322 C571 C574 QGB2027M1-26S 820p 820p C581 C584 820p 820p R593 R591...
- Page 4 KD-S687 KD-S687 LCD & key control section IC602 JS690 RPM6938-SV4 QSW0793-001 R661 C681 0.022 R662 VCM0335-001 CJ601 LCD1 ILL_10V REMOCON ENC1 ENC2 BUS2 LCD.CL LCD.DA LCD.CE BUS1 KEY0 KEY1 KEY2 IC601 R605 R604 R603 R602 R601 Key0 PT6523LQ R651 3.9k 2.7k...
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Page 5: Printed Circuit Boards
KD-S687 Printed circuit boards Main board(Forward side) IC901 C901 L901 Q331 Q341 Q351 CJ322 CJ321 C305 CN901 C316 C914 C308 Q321 C304 C315 C306 C913 C313 C906 C904 R902 R341 D901 C903 C320 R355 C314 R335 R901 R325 R331 R907... -
Page 6: Main Board(Reverse Side)
KD-S687 Main board(Reverse side) CN901 C901 C331 C321 C341 CJ322 IC901 L901 C902 D901 R812 C308 C913 C904 C906 R972 R901 C903 C320 C907 R891 D331 C910 C915 C909 C905 C192 C191 C196 R967 R892 D341 C908 R321 R191 R173...