JVC KD-A525J Service Manual page 27

<Main section 2 (KD-BTP50J,52U)>
R519
68k
R501
33k
R520
10k
FOCUS-
FOCUS+
TRK-
TRK+
SP+
SP-
FEED+
FEED-
LOAD-
LOAD+
CN502
QGF1040F1-26
VF1
VF1 1
SW3
2
SW3
D3.3V 3
SW2
4
SW2
VF2
VF2 5
SW1
6
SW1
R576
VT2
VT2 7
10K PSW R575
PSW 8
R577
C576 VT1
3.3k
VT1 9
C575
10K
VREF
VREF 10
1500p CD_MD
MD 11
To CD section
GND 12
R534
CN101 HC1-2
10K
HC1_2 13
LOAD-
LOAD- 14
LOAD+
LOAD+ 15
SP+
SPINDLE+ 16
SP-
SPINDLE- 17
FEED+
FEED+ 18
FEED-
FEED- 19
GND 20
LD 21
GND 22
TRK-
TRK- 23
TRK+
TRK+ 24
FOCUS-
FOCUS- 25
FOCUS+
26
FOCUS+
3.0V
Q540
2SA2188/F/-X
2.4V
1.9V
LASER DIODE CIRCUIT
No.MA479
R506 R512
BTL_DMO
6.8K 0
R505 R511
BTL_FMO
22K 0
R510
8.2k
C506
R507 R509 BTL_FOO
D503
11K 0
R513
C504
C503 0
0.1 0.1
36 35 34 33 32 31 30 29 28 38 27 26 25 24 23 22 21 20 19
IC501
!
LA6565-X
1 2 3 4 5 6 7 8 9 37 10 11 12 13 14 15 16 17 18
R504 R508 0
BTL_TRO
51k
D502
GS1J-LTP-X
C540 0.1 R540
C541 2200p 220 1.3V
VCOI Pio7
C542 0.1 3.3V
RVDD3 Pio6
C543 0.01 1.6V
SLCO Pio5
C544 3300p 1.6V
RFI Pio4
C545 0.1 1.6V
RFRPI Pio3
1.6V
VREF RFEQo Pio2
C547
1.6V
0.015
DCoFC Pio1
C546 1
1.6V
0.1 AGCi Pio0
C548 68p
1.3V
C549
RFo VSS-2
IC540
!
0V JCV8022
RVSS3 VDD1-2
R541
1.6V
0 R542 FNi2
XVDD3
VF1 1.9V
FNi1
R543 R544 1.9V
FPi2
0
VF2 1.8V
FPi1 XVSS3
VT2 1.9V
TPi
DVSS3L
VT1 1.9V
TNi
1.6V
VRo
DVDD3L
0V
AVSS3 DVDD3R
R545 0V
2.2M
MDi
R549 1K 2.2V
LDo DVSS3R
CD_MD
C552
0.033
C553 4700p
C554 390P
C555 680P
C556 0.068
C557 0.047
CD LPF
R596
C585
68p
QERF1EM-475Z-E R528
4.7/25
C584 R597
R580 R598 47k R585
DSPR
0 0
R581 47k 10k R593
C594
C582
68p
20k
R582
220k
4 3 2 1
-
+
+
-
5 6 7 8
R594 10
R588
C583 C595
220K
R592
68p
R586 R587 R579 20k R591
DSPL R599
0 47k 10k 0
47K
C586
R529
4.7/25
QERF1EM-475Z-E
C587 68p
R595
3.3V
0V
XC6213B332NG-X
3.3V
0V
0V
L565
0V NQR0502-001X R564 LRCK
100
L564
3.3V NQR0502-001X R563 100 BCK
XC6213B152NG-X
3.3V L563 R562 DATA
NQR0502-001X 100
0V
0V R561 GATE
100
0V R560 100 BSIF_REQ
4.6V
0V R559 CMDREQ
100
0V
0V
1.5V C565
0.1 XC6213B152NG-X
3.3V
R558
R557
1.5V C564 1M
Xo
0.1
1.4V 470
Xi C596
4700p
0V R556
0
0V
C563
1.7V
Lo
L561
3.3V NQR0502-001X C562 10
3.3V C561 10
C560
1.7V
L562
Ro
NQR0502-001X
0V
R555
L531
4.7
R554
NQR0502-001X
4.7
! Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
(No.MA479<Rev.002>)7/23
CD.R
S.GND
CD.L
A9V
PON_CD
VDD5V
MAINGND
CMDREQ
BSIF_REQ
DATA
GATE
BCK
To Main section 1
LRCK
CMDSO
(KD-BTP50J,52U)
CMDSI
CMDBUCK
CMDCCE
CDRESET
SRAMSTB
CDMUTE
BTLGND
CD8V
FWD
REV
DRVMUTE
SW3
SW1
SW2
PSW
HC1-2
IC530
4.6V
CTRL VIN
3.3V
GND VOUT
IC531
4.6V
CTRL VIN
1.5V
GND VOUT
IC532
4.6V
CTRL VIN
1.5V
GND VOUT
created date:2011-03-04