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SA-HT640WPL
SCHEMATIC DIAGRAM-16
OPTICAL PICKUP UNIT CIRCUIT
H
GND
L4
1
J0JBC0000105
VCC
2
GND
L3
C8
TO
3
J0JBC0000105
0.1
GND
HFM PCB
4
OUT
5
GND
6
G
GND
1
TB
2
TA
3
TC
4
TD
5
F
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
C1
E
LDGND
0.1
18
D
C5
C6
22P
22P
C
B
A
1
2
:+B SIGNAL LINE
: CD-DA(AUDIO /VIDEO) 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
R2
GND (IM)
0
15
RF
14
VREF2(RF-)
13
PIN (DVD)
12
LD (CD)
11
R4
C2
LD GND
0
0.1
10
LD (DVD)
9
GND (OEIC)
8
VREF1
7
VCC
6
SUB2
5
SUB1
4
PIN(CD)
3
SUBSEL
2
R1
VR1
GND (IM)
C3
0
1
6.8K
0.1
R3
0
R5
0
R6
0
R7
6.8K
VR2
6.8K
L2
J0JCC0000307
C7
0.1
C4
L1
0.22
J0JBC0000105
3
4
5
A
TO
DVD MODULE CIRCUIT
(FP8501) ON
SCHEMATIC
DIAGRAM-4
6
7
8
28
SA-HT640WPL OPTICAL PICKUP UNIT CIRCUIT
9
10
1 1
12
13
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