JVC KW-XC777 Service Manual page 51

Q Q
3 7 6 3 1 5 1 5 0
CD servo control, LCD & Key control section
5
4
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC502
3
RPM7138-V4
2
PJ501
0.0047
QNS0180-001
R501
470
w w w
1
.
A
C663
220/10
LD C662
SW4 0.01
IC661
VD
FAN8037
SW3
VB
SW1
VC TRACKING+
SW2 FOCUS+
VA FOCUS-
R675
MD CDON
R673
LOADING- 10k
VREF CDON 5.1k LM0
LOADING+ LM1
VE
VCC C664
VF
0.047
FOCUS+
TRACKING-
TRACKING+
FOCUS-
FEED+
REST
SPINDLE+
FEED-
SPINDLE-
R587 R588 R589 R590 R591
R592 R593
620 620 820 1.2k 1.8k 3k 5.6k
S522 S523 S524 S525 S526 S527 S528
R598 R599
R509
1.8k 3k
47
S536 S537
WR502 WR501
WR502 WR501
S521
R594 R595 R596 R597
620 620 820 1.2k
R511 R512
S531
47k 47k S532 S533 S534 S535
0.0047
C511 C512 R513
470
R551 R552 R553 R554
620 620 820 1.2k
C513
S501 S502 S503 S504 S505
0.047
R555 R556
620 620
S511 S512 S513
R515 220
R516 220
Q501
x 2SB815/7/-X a o
y
i
Q502
DTC114EKA-X
B
http://www.xiaoyu163.com
8
C612
R613
D691
1k
Q691 82P
R694 2SD601A/RS/-X
47k R614 R612 10k 100
MA152WK-X 27k 2k R611 CDRW
R615
C614
5p R617
47k
CDON
R609 R616
82k 820
R639
2.2K
C605
Q601
100/6.3
2SB1241/QR/-T
R607 22
0.01
R608 22
C604
Q Q
3 7 6 3
COM8 SEG50 LCD1
COM7 SEG49
QLD0198-001
COM6 SEG48
COM5 SEG47
COM4 SEG46
COM3 SEG45
COM2 SEG44
COM1 SEG43
SEG42
SEG41
SEG40
SEG39
IC501
SEG38
LC75878W
SEG37
SEG36
SEG35
SEG34
SEG33
R503 SEG32
SEG31
0
SEG30
u 1 6 3 SEG29
SEG28
SEG27
SEG26
.
D E
http://www.xiaoyu163.com
2 4
9 9 8
R252 33k
C253
R251 C252 4.7/25 R253
R-CH 20k 12k
120p
R151 R153
C152
12k
L-CH 20k
4.7/25
R152
33k
C638 0.047
C637 0.047
C634 470P
C633 470P
R630 0
X621
R629 0
R633
R626 0
1M
L621
47
R620
100
C647
47/6.3
C630
R-CH
C648
100/6.3
C649
0.01 L-CH
C628
IC621
R625 10k
TC9490FA
C627 0.01
C626 0.0027
C625 0.01
BUS0 BUCK C624
0.015
BUS1 CCE
BUS2 LSI_RESET
BUS3 R623
R621 R622
5.6k
C623 47p
R638
10k
L624
47
1 5 1 5 0 8 9 2 4
C974
0.1
R975
CN971
270
QNZ0095-001
R974
270
CN972
QGF1016F3-15
m
c o
CD SIGNAL
CD CHANGER SIGNAL
TAPE SIGNAL
F
KW-XC777
2
9 9
CD-Rch
9V
CD-Lch
SEL
TEB
RFGC
IOP
CDON
ON5V
9V
LM1
LM0
TE
0.033
REST
SW1
RFDC
SW2
FE
SW3
RFRP
SW4
0.033
C629
CD-Lch
GND
100/6.3 CD-Rch
RF
BUS0
BUS1
BUS2
BUS3
BUCK
R624
CCE
33k
LSI_RESET
CDRW
470k
CD8V
47k
GND
9 8 2 9 9
CN973
QGF1016F3-21
G
2-3