Optical Pickup Unit Circuit - Panasonic SA-HT535E Service Manual

20.1. Optical Pickup Unit Circuit

SCHEMATIC DIAGRAM - 1
OPTICAL PICKUP UNIT CIRCUIT
GND
1
VCC
2
GND
3
TO
GND
HFM PCB
4
OUT
5
GND
6
GND
1
TB
2
TA
3
TC
4
TD
5
FE1
6
FE2
7
IM
8
RF
9
TO
GND
LDU PCB
10
VREF
11
VCC
12
SUB2
13
SUB1
14
SW
15
LD (CD)
16
LD (DVD)
17
LDGND
18
L4
J0JBC0000105
L3
C8
J0JBC0000105
0.1
C1 C3
0.1 0.1
C5 C6
22P 22P
: +B SIGNAL LINE
R2
0
R4 C2
0 0.1
R1
VR1
0
6.8K
R3
0
R5
0
R6
0
R7
6.8K
VR2
6.8K
L2
J0JCC0000307
C7
0.1
C4
L1
0.22
J0JBC0000105
57
SA-HT535E / SA-HT535EG
: CD-DA SIGNAL LINE
T+
26
F+
25
TO ACT F-
24
T-
23
HFM
22
TA
21
TB
20
TD
19
TC
18
FE2
17
FE1
16
GND (IM)
TO
15
RF
DVD MODULE
14
CIRCUIT
VREF2(RF-)
13
(FP8531) ON
PIN (DVD)
12
SCHEMATIC
LD (CD)
11
DIAGRAM-2
LD GND
10
LD (DVD)
9
GND (OEIC)
8
VREF1
7
VCC
6
SUB2
5
SUB1
4
PIN(CD)
3
SUBSEL
2
GND (IM)
1