JVC KD-R440JW Service Manual page 23

ELECTRIC UNIT-2 (GEA10343-xxA)
FOCUS-
FOCUS+
TRK+
TRK-
TRK-
TRK+
FOCUS+
FOCUS-
CN502 VF1
QGF1040F1-26
SW3
VF1
VF1 1
SW3
SW2
SW3 2
D3.3V 3
SW2 VF2
4
SW2
VF2 SW1
VF2 5
SW1 VT2
To CD PLAYER UNIT 6
SW1
R576
VT2 PSW
(LVA11003-03A) VT2 7
10K PSW R575
PSW 8
R577 C576
(FLM-HC3-1D) VT1
3.3k
VT1 9
10K C575
VREF
HC3-4
CN101 VREF 10
1500p CD_MD
R535
MD 11
C516 0.1
GND 12
HC3-4
HC3_4 13
LOAD-
LOAD- 14
LOAD+
LOAD+ 15
SP+
SPINDLE+ 16
SP-
To CD PLAYER UNIT SPINDLE- 17
FEED+
18
FEED+
(LVA11003-05A) FEED-
FEED- 19
(FLM-HC5-1D)
GND 20
LD 21
CN101
GND 22
TRK-
TRK- 23
TRK+
TRK+ 24
FOCUS-
FOCUS- 25
FOCUS+
26
FOCUS+
3.0V
Q540
2SA2188/F/-X
2.4V
1.8V
LASER DIODE CIRCUIT
No.MA538
R504 270k
BTL_TRO
R507 56K
BTL_FOO
R505 100K R511 13K
BTL_FMO
R506 30K
BTL_DMO
TSDO VREF
R516 33k
C504 0.1
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
IC501
!
LV8281VR
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
C503
C505 R519
0.047
33K
R514
FEED+
FEED-
SP-
SP+
LOAD+ D502
LOAD-
GS1J-LTP-X
VREF
C540 0.1 R540
C541 2200p 220 1.3V
Pio7
VCOI
C542 0.1 3.3V
RVDD3 Pio6
0.01
C543 1.6V
SLCO Pio5
C544 3300p 1.6V
ARF 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
C549
AGCi Pio0
0.1 !
C548 68p 1.3V
RF RFo VSS-2
IC540
0V
JCV8022
RVSS3 VDD1-2
1.6V
FNi2
XVDD3
VF1 1.9V
FNi1
Xo
1.6V
FPi2
Xi
VF2 1.8V
FPi1 XVSS3
VT2 1.9V
TPi DVSS3L
VT1 1.9V
TNi Lo
1.6V
VT1
VRo DVDD3L
0V
AVSS3 DVDD3R
R545 2.2M 0V
MDi Ro
R549 1K 2.2V
LDo DVSS3R
CD_MD
CD_MD
FE
/DET
C552
0.033
FOK IPT
TE
C553 4700p
C554 330P
C555 680P
C556 0.068
C557 0.033
R595
DSPR
2K
R596
DSPL
2K
IC530
BU33TD3WG-W
4.6V 3.3V
VIN VOUT
0V
GND
3.3V
STBY NC
R533
0
0V
0V R520 3.3k LRCK 4.6V 1.5V
R521 VIN VOUT
3.3V 680 BCK
0V
GND
3.3V R522 680 DATA
3.3V
STBY NC
0V
0V R561 100 GATE
0V R560 100 BSIF_REQ
0V R559 100 CMDREQ
0V
4.6V
1.5V
1.5V C565 VIN VOUT
R557
0V
0.1
3.3V GND
470
4.6V
1.5V C564 STBY NC
0.1
1.4V
0V
0V R556 0
1.7V
L561
3.3V NQR0154-006X C562 10
3.3V C561 10
1.7V
L562
NQR0154-006X
0V
R555
L531
4.7
R554
NQR0154-006X
4.7
! Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
(No.MA538<Rev.003>)5/19
MAIN PWB: GEB10343A
CD.R
S.GND
CD.L
CD_PON
VDD5V
MAINGND
CMDREQ
BSIF_REQ
DATA
GATE
BCK
LRCK
CMDSO
CMDSI
To ELECTRIC UNIT-1
CMDBUCK
(GEA10343-xxA)
CMDCCE
CDRESET
SRAMSTB
CDMUTE
BTLGND
CD8V
FWD
REV
DRVMUTE
SW3
SW1
SW2
PSW
HC3-4
IC531
BU15TD3WG-W
IC532
BU15TD3WG-W
created date:2013-02-18