Schematic Diagram; A) Optical Pickup Unit & Dvd Module Circuit - Panasonic SA-HT441WP Service Manual

20 Schematic Diagram

20.1. (A) Optical Pickup Unit & DVD Module Circuit
SCHEMATIC DIAGRAM-1
H
OPTICAL PICKUP UNIT CIRCUIT
G
GND
L4
1
J0JBC0000105
VCC
2
GND L3
C8
3
TO
J0JBC0000105
GND 0.1
HFM PCB
4
OUT
5
GND
6
F
GND
1
TB
2
TA
3
TC
4
TD
5
FE1
6
FE2
7
IM
8
RF
9
TO
GND
LDU PCB 10
E
VREF
11
VCC
12
SUB2
13
SUB1
14
SW
15
LD (CD)
16
LD (DVD)
17 C1
LDGND 0.1
18
D
C
C5
22P
B
A
1 2 3
:+B SIGNAL LINE : CD-DA (AUDIO /VIDEO) SIGNAL LINE
TO ACT
R2
0
VREF2(RF-)
R4 C2
0 0.1
GND (OEIC)
R1
VR1
C3
0
6.8K
0.1
R3
0
R5
0
R6
0
R7
6.8K
VR2
6.8K
C6
22P
L2
J0JCC0000307
C7
0.1
C4
L1
0.22
J0JBC0000105
4 5
T+
26
F+
25
F-
24
T-
23
HFM
22
TA
21
TB
20
TD
19
TC
18
FE2
17
FE1
16 A
GND (IM)
15 TO
RF
DVD MODULE
14
CIRCUIT (FP8501)
13
PIN (DVD)
ON
12
LD (CD)
SCHEMATIC
11
LD GND
DIAGRAM-5
10
LD (DVD)
9
8
VREF1
7
VCC
6
SUB2
5
SUB1
4
PIN(CD)
3
SUBSEL
2
GND (IM)
1
6 7 8
71
SA-HT441WP OPTICAL PICKUP UNIT CIRCUIT
9 10 1 1
SA-HT441WP
12 13