JVC KD-G120 Schematic Diagrams page 5

CD servo control section
CN501
QGB2027M4-22S
FEED-
GND
FEED+
FEED-
VF2
FEED+
VCC
GND
VT2
PSW
SW1
SPINDLE-
VT1
SPINDLE+
SW2
VF1
PSW
R557
VR 150
VR
SPINDLE+
SW1
LD
SW2
SPINDLE-
FOCUS-
VREF
TRACKING-
FOCUS+
TRACKING+
MD
FOCUS+
TRACKING+
FOCUS-
TRACKING-
LD
GND
MD
VR
VF1
VREF
VT1
GND
VT2
VCC
VF2
C543
0.033
R596
8.2k
R558
10k
C540
68p
IC541
LA6242H-X
R550
12k
FEED-
FEED+ VF2
Vcc
VT2
SW1
VT1 SW2
VF1 PSW
SPINDLE+
LD
SPINDLE-
FOCUS-
VREF
FOCUS+
TRACKING+ MD C522
TRACKING-
0.022
C523
0.022
R513
VT2
47k
R512
VT1
47k
VF2
VF1
IC501
AN22002A-W
MD
C526
3p
R524
3.3k
RF
TP
Q501
R526
LD 2SA2093/QR/-T
C527
12
0.022
R525 C506
1.5k
68p
D551
1A3G-T1
C553
C547 C552 C551 C546
0.01 220/10 47/10
0.022
C545
0.01
C541
IC561
47/6.3
MN6627482WA
Q541
2SA2093/QR/-T
TRV
TVD
ECM
ECS
KICK
TRD
FOD
FBAL
TBAL
FE R507
TE
1k
RFENV
VDET C528 0.1
OFTR R518
1M
RFDET
BDO
LDON
ARF
ARF
FE TP
TP
C519
TE C516
0.047
100/10
TP
C515
R509
36K
0.1
C521 C520
270p 39p
L501
4.7U
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
C574
0.01
C573
220/10
R560
100
C570
0.01
L562
C563
4.7U
X561
470p
TP QAX0714-001Z
R573
120k
R151 C152 R153
22k
15k
2.2/50
C153
R152
C155
5.6k 150p
QTE0J57-476Z
R154 R156
22k
22k
IC151
NJM4565E-X
R254 R256
22k 22k
C255
R252 C253
QTE0J57-476Z
5.6k
C252 150p
R251 R253
15k 22k
2.2/50
PSW
SW1
SW2
LM
MSW
CD8V
GND
CD.RESET
STATUS
SUBQ
SQCK
TLOCK
FLOCK
CD.SENSE
MLD
MDATA
MCLK
CD.RCH
GND
CD.LCH
9V
SHEET 2
2-3