Schematic Diagram; Optical Pickup Unit Circuit - 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
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L4
J0JBC0000105
L3
C8
J0JBC0000105
0.1
R2
0
C1 C3
0.1 0.1
C5 C6
22P 22P
J0JCC0000307
J0JBC0000105
: +B SIGNAL LINE
R4 C2
0 0.1
R1
VR1
0
6.8K
R3
0
R5
0
R6
0
R7
6.8K
VR2
6.8K
L2
C7
0.1
C4
L1
0.22
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