Optical Pickup Unit Circuit - Panasonic SA-PT250GCP Service Manual

SA-PT250GCP

19.5. Optical Pickup Unit Circuit

1 2 3
SCHEMATIC DIAGRAM - 16
A
OPTICAL PICKUP UNIT CIRCUIT
(FOR REFERENCE ONLY)
L4
GND
VCC
GND C8
TO HFM L3
GND
B OUT
GND
GND 1
TB 2
TA
3
TC 4
TD 5
6
FE1
FE2 7
1m 8
TO LDU RF 9
GND 10
C
VREF 11
VCC 12
13
SUB2
SUB1 14
SW 15
LD(CD) 16
LD(DVD) 17
LDGND 18
D
C6
C5
E
F
G
H
1 2 3
4 5 6
26 T+
25 F+
TO ACT
24
F-
23 T-
22 HFM
21
TA
20 TB
19 TD
18 TC
17 FE2
16 FE1
15 GND(Im)
14 RF
13
VREF2(RF-)
12 PIN(DVD)
11 LD(CD)
10 LD GND
R2
9 LD(DVD)
8 GND(OEIC)
R4
7 VREF1
C2
6 VCC
5 SUB2
4 SUB1
C1 C3 3 PIN(CD)
2 SW
1 GND(Im)
R1
VR1
R3
R5
R6
R7
VR2
L2
C7
C4
L1
4 5 6
7 8 9
A
TO
DVD MODULE
CIRCUIT (FP8531)
IN SCHEMATIC
DIAGRAM - 4
7 8 9
92
10 11 12
SA-PT250GCP OPTICAL PICKUP UNIT CIRCUIT
10 11 12
13 14
A
B
C
D
E
F
G
H
13 14