Schematic Diagram - Panasonic SA-HT330EB Service Manual

23 Schematic Diagram

23.1. OPTICAL PICKUP UNIT CIRCUIT
SCHEMATIC DIAGRAM - 1
OPTICAL PICKUP UNIT CIRCUIT
GND
1
VCC
2
GND
TO
3
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
TO
9
LDU PCB GND
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
R2
C1 C3
0.1 0.1
C5 C6
22P 22P
: +B SIGNAL LINE
0
R4 C2
0.1
0
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
65
: 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
SA-HT330EB