Panasonic SA-VK480EE Service Manual page 120

SCHEMATIC DIAGRAM - 4
A DVD MODULE CIRCUIT
C0DBFZG00001
TO DVD MODULE
SWITCHING REGULATOR
SECTION (3/4)
24
25
26
27
28
R8564
22
R8561
0
Q8561
29
2SD1819A0L Q8562
B1ADGB000008
LD DRIVE
R8562
1K LD DRIVE
R8555
2.2
R8554
68
R8551
Q8552
0
B1ADGB000008
30 Q8551
LD DRIVE
2SD1819A0L
R8552 LD DRIVE
1K
31
K8005 K8010
0 0
P1
15 16 17
: CD/DVD AUDIO INPUT SIGNAL LINE : CD/DVD AUDIO & VIDEO INPUT SIGNAL LINE
: +B SIGNAL LINE : CD/DVD VIDEO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
1 8
IC8111
1 1 2 1 3 1 4 1 5 1 6 7
SP_DRV
TRV_DRV
SPMUTE
LDCNT
TRDRV
FODRV
R8568 DGND
K8251 0
47K
K8252 0 MGND
TRVFTMUTE
R8558
47K
R8559
15K
Q8563
R8535
100K D
B1CFHA000002
G SWITCH
R8533 R8534
S
Q8565
0 10K
2SD1819A0L
Q8564
INVERTER
B1CFHA000002
R8537
0 SWITCH
18 19 20
: USB SIGNAL LINE
D+5V
R9099 0
C8262
IC8251 0.1
C0GBG0000048
4CH MOTOR DRIVER
C8261
0.1
1 BIAS1 LDCNT 28
SPMUTE
2 VIN1 MUTE3 27
3 VIN2 TRIN 26
4 OPIN+ BIAS2 25
5 OPIN- LDIN 24
6 OPOUT VIN3 23
GND
7 PREVCC 22
L8250 [PRE]
0 29 FIN FIN 30
VCC
VCC
8 21
[CH1,2] [CH3,4]
C8251 C8252
9 MUTE12 MUTE4 20
6.3V220 0.1
10 GND GND
19
[CH1,2] [CH3,4]
11 VO2- VO3- 18
12 17
VO2+ VO3+
13 16
VO1- VO4-
14 VO1+ VO4+ 15
R8263
82K
OPIN-
OPIN+
VREFH
K8571
0
R8540 0
LB8571
J0JDC0000045
D
G
S
DVD_CD
21 22 23 24
120
TO DVD MODULE
SECTION (2/4)
R8252
10K
C8257
16V47
LB8255
0
C8258
0.1
R8251 6.8
C8256 C8255 FP8251
0.1 16V22
M+9V
1 DGND
2 UNLOAD_SW
MGND
3 INNER_SW
TO TRAVERSE / SPINDLE
4 SP-
5 SP+
6 TR-
7 TR+
R8261
82K
C8530 0.1
TRV_INNER_SW
LB8530
J0JHC0000045
VIN5 RX8534
3 4
VIN6 D1H456020001
1 2
LPC1 R8531 1.5K
LB8561 J0JDC0000045
C8531 100P
TO OPTICAL PICKUP UNIT
LB8551 J0JDC0000045
VIN2
RX8531
1 2
VIN3
D1H456020001
3 4
RFINP RX8533
1 2
D1H456020001
RFINN
3 4
LB8531 0
C8533 0.1
LB8532 J0JDC0000045
VIN8
2 1
VIN7 RX8532
4 3
D1H85604A043
VIN1
6 5
VIN4
8 7
R8532
2.2K
LPC2
1/4 2/4
C8532
220P SA-VK480EE
3/4 4/4
DVD MODULE
25 26 27
I
J
K
L
M
N
O
CIRCUIT
P
28