Panasonic SA-PT250GCP Service Manual page 80

SA-PT250GCP
SCHEMATIC DIAGRAM - 4
DVD MODULE CIRCUIT
C8112
1
C8113
470P
A98
A99
A100
A101
A102
TO DVD MODULE
SECTION (3/4)
R8568
47K
R8564
22
R8561
0
Q8561
A103
Q8562
2SD1819A0L
B1ADGB000008
LD DRIVE
R8562
1K LD DRIVE
R8558
47K
R8554
68
R8551
0
Q8552
Q8551
A104
2SD1819A0L
R8552 LD DRIVE
1K
Q8552
B1ADGB000008
LD DRIVE
A105
K8005
0
K8010
0
A106
15 16 17
: CD HEAD SIGNAL LINE : MOTOR DRIVE SIGNAL LINE
: +B SIGNAL LINE : DVD HEAD SIGNAL LINE : TRACKING ERROR SIGNAL LINE
IC8111
C0CBCBD00018
+3.3V DC-DC CONVERTER
1 VO VIN 8
2 4
RX8111
2 GND GND 7
D1H422320002
1 3
3 GND GND 6
6 5 4
4 CN 5
CONT
QR8111
XP0621400L
1 2 3
POWER CONTROL
A5V_L8550
FODRV
TRDRV
SP_MUTE
SP_DRV
TRV_DRV
K8251 0
18 19 20
: DVD RF SIGNAL LINE
: FOCUS ERROR SIGNAL LINE
IC8251
C8262
C0GBG0000048
0.1
MOTOR DRIVE
C8261
0.1
1 BIAS1 LDCNT 28
SPMUTE
2 MUTE3 27
VIN1
PIN_27
3 26
VIN2 TRIN
4 OPIN+ BIAS2 25
PIN_23
R8265
5 OPIN- LDIN 24
0
PIN_26
6 OPOUT VIN3 23
DGND
GND
7 22
PREVCC
[PRE]
FIN FIN
29 30
D+5V
VCC
VCC
8 21
[CH1,2] [CH3,4]
C8251 C8252 TRVFTMUTE
9 MUTE12 MUTE4 20
6.3V220
0.1
GND GND
10 19
[CH1,2] [CH3,4]
C8253
11 VO2- VO3- 18
0.1
12 VO2+ VO3+ 17
13 VO1- VO4- 16
14 15
VO1+ VO4+
MGND
R8263
82K
OPIN-
OPIN+
TRV_INNER_SW
QR8571
UNR511V00L
D8571
SUPPLY CONTROL SWITCH
MA2J72800L
VIN1
VIN2
VIN4
VIN3
HFMON
VIN8
VIN7
RFINP
RFINN
LPC1
VREFH
VIN6
VIN5
LPC2
DVD_CD
21 22 23
80
TO DVD MODULE
SECTION (2/4)
C8254
0.1
C8257
16V47
R8251
6.8
C8258
0.1
M+9V
MGND
FP8251
6 SPM-
5 SPM+
TRVM-
4 TO SPINDLE /
3 TRAVERSE MOTOR
TRVM+
2
DGND
R8261
82K 1 TRV_INNER_SW
C8263
220P
C8572
0.1
FP8531
LB8257 0
26 T+
LB8259 0
25
F+
LB8260 0
24 F-
LB8258 0
23 T-
LB8571 J0JBC0000042
22 HFM
2 1 21 TA(DVD)
RX8532
4 3 20 TB(DVD)
D1H85604A024
6 5 19 TD(DVD)
8 7 18
TC(DVD)
RX8534
1 2
17 FE2(DVD/CD)
D1H456020001
3 4 16 FE1(DVD/CD)
C8531 TO OPTICAL
15 GND
100P
RX8531 PICKUP UNIT
1 2 14 RF
D1H456020001
CIRCUIT
3 4
13 VREF2(RF-)
IN SCHEMATIC
12 PIN(DVD)
R8531 1.5K DIAGRAM - 16
LB8561 J0JBC0000042
11 LDCD
10
LDGND
LB8551 J0JBC0000042
9 LDDVD
C8533 0.1
LB8531 0
8 GND(OEIC)
7 VREF1
LB8530 J0JHC0000045
6 VCC
RX8533
3 4 5 SUB2
D1H456020001
R8532
1 2 4 SUB1
2.2K
3 PIN(CD)
SUBSEL
2
C8530 0.1
C8532 R8533
1 GND(VRCD)
220P
0
1/4 2/4
3/4 4/4
SA-PT250GCP
24 25 26
I
J
K
L
M
N
O
DVD MODULE CIRCUIT
P
27 28