JVC KD-LH915 Service Manual page 37

Q Q
3 7 6 3 1 5 1 5 0
CD servo control section
LD
C612
0.01
C613
0.01
R615
VT2 150
PVREF
VF1
MDI
LD
VF2
VT1
FOCUS+
TRACKING+
FOCUS-
TRACKING-
CN601
QGF1006F2-15W
CN602
QGF1038F1-05X
SW3
SW2
SW1
T E
L 1 3 9 4 2 2 9 6 5 1 3
GND1
SW4_
SW4
GND2
REST
REST
S+ SPINDLE+
S- SPINDLE-
FE+ LOAD/FEED+
FE- LOAD/FEED-
CN901
NNZ0104-001X
R908 47k
R901 22 SDCS
R902 22 SDDO
R903 22 SDCK
R904
22 SDDI
R909 47k
R905 22 SDWP
R906 22 C.DET1
R907 22
C.DET2
Q504
UN2211
Q503
RPM-22PB
CN502
QGF0501F1-08X
RESET
w w w
BUSSCK
BOOT
BUSSI
BUSSO
.
C603
100/6.3
C604
R616
IOP
Q601 0.01
10k 2SB1132/QR/-W
C637 0.047 PVREF
C636 0.047
R643 3.3k
C632 470p
C631 470p
C649 5600p
L622
47u
L623
47u
IC601
TC94A15FG
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
DSPRST
C623
47p
R628
2.2M
R627 C624
18k
0.015
C689
47/16
C508
C693
L901 0.01
47u
47/16
R681
6.8k
BSGATE
BSBCK
R683 BSDATA
FMO
4.7k
LOAD/FEED+ C687
MODESW
LOAD/FEED- LD/FE
SPINDLE+ 0.047 ERR/DECEND
CDON
SPINDLE-
C688
0.047
IC681
R549
LA6242H-X
R550
TRACKING+ C685
BSLRCK
TRACKING-
IOP
FOCUS+ 0.047
EROMCK
FOCUS- R692 -
EROMDI
C686 R686 0
DMO
0.047
R691 -
R685 0
TRO
R690 - FOO
R684 0
C690 10/6.3
R688
R689 16k C682 4.7/25
10k
C695
x a o
y
-
Q681
2SB1184/QR/-X
IC502
i C683 0.1
BR24L01AFV-W-X
C684 47/16
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8
C415 4.7/25
R411
20k
R412 C416
L402
20k
4.7/25
47u
R416
C678 470p
C677 470p
R604 18k
VT1
R603 18k
VT2
R602
0 VF2
R601 0
VF1
C672 0.1
MDI
C606 47/6.3 AD4
LDO C671
C608 0.1 10/10
AD3
AD2
C609 R610
C663 0.1 AD1
15p 6.8k R611 47k
AD0
C666 100p
C647 68p
C607
ERR/DECEND
0.1 R609 47k
C635
0.015 C605 0.1
C665
C627 0.1
R675 220
C601 100/6.3
0.1 C664 2200p
R629
22k
C602 680p
C633 C668 47/6.3
0.1
C669 0.01
C634
C643 0.1
4700p
RF
Q652
C648 10/6.3 2SB624/4/-X
VREF Q Q L651
3 7 6 47u 3
R651
Q651
100k
UN2211-X
R656
2.2k
R666
C507
0.022
R516
Q501
UN2111-X 1k
R540
47k
R523
R522
R539 R521
47k R520
R519
R541 100 R518
R581 100 R517
R579 100
R580 100
R548 8.2k
IC501
R582 100
TMP91CY22FG
R583 100
R513
4.7k 1k
4.7k
R509
R525
R512
100k R511
NAX0385-001X
R510
100
u 1 6 3
.
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2 4
9 9
R433 47
R436 47
R435 0 2SB624/4/-X
L430
-
R415 30k C417
R439
120p C419 4.7/25 100
R413 12k
Q431
UN2211-X
R431
2.2M
C420
C418
R414
X430
12k
120p 4.7/25
30k NAX0375-001X
Q401
2SA1037AK/R/-X
L655
47u
RAS
AD11
AD10
AD0
AD1
AD2
MODESW AD3
IC652
TC94A34FG-002
C680 C658
0.1 47/6.3
R658
47k BSLRCK
R678 100
C656 0.1
BSGATE
L654 C670
R659 100
47u
R660 100
SFSY
R661 100
CLOCK
DATAEN
1 5 1 5 0 8 9 2
IC654
BSDATA
SN74CBTLV3257
DATASEL
SBSY
SBDATA
BSBCK
L501
47u
100
C512
IC504 NJU7241F33-X
220/4
C513
L656 47u
SDCK
0.01
100 DSPRST
C511 D506
100 CCE L502
100 BUCK
47u
0.1 1SS355-X
100 BUS0
R561 100k
100 BUS1
0
100 BUS2 R568 1k
BUSSO
100 BUS3 CN501
R563 R562
QGB2027L1-26X
6.8k 3.9k
CD.L-CH
C551 0.01
SW1
Q502
BUSSI
R515 47k CD.R-CH
UN2211-X
9V
R514 47k
C521 ON5V
B.DET
-
R545 10k
R544 100
R542 10k
C522
R543 100 DISCSEL
47k - CDMUTE
R569 C523
47k CDREQ
-
BUSIO
1k CDRESET 1k CDRESET
R570 B.DET
/BUSIO
1k P.DET
R553
BUSSI/SO
X501
BUSSCK R556
18k BUSCLK
0
CD8V
m
PDATA
CDON
c o PCLK
2
8 9 9
Q430
CDON
CD.L-CH
CD.R-CH
9V
ON5V
Q402
UN2211-X
R402
2.2k
CAS
OE
AD9
AD8
AD7
AD6
AD5
AD4
IC653
@DRAM
0.1
4 9 8 2 9 9
SHEET 2
2-3