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Grundig Vision 2 22-2830 T DVD Service Manual page 41

Chassis dh

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GRUNDIG Service
DVD - MPEG/Processor
SP-
SP_A
1
F-
2
F+
3
T+
4
T-
5
C/c
6
D/d
7
CD/DVD SW
8
RF
9
A/a
10
B/b
11
F
12
GND-PD
13
Vc(Vref)
14
Vcc
15
E
16
NC
17
VR-CD
18
VR-DVD
19
CD-LD
20
MD
21
HFM
22
NC
23
DVD-LD
24
GND-LD
SANYO HD6x
HA1
HEADER 24 SMD0.5 BOT
FOSO
TRSO
FMSO
DMSO
C26
C27
330pF
330pF
89L_3V3
CB31
CB32
0.1uF
0.1uF
R22
10k
C9
R23
0.1uF
D4
1
C11
BAT54C
0.1uF
R26
0
R27
10k
OPO
R32
0
R41
100k
R34
Q1
R36
2N3904
R43
Q2
Q3
2SK3018
2SK3018
C20
NC
C21
NC
24
23
LD-DVD
22
21
AVCC1
MDI1
R29
0
20
19
18
17
16
E
15
14
AVCC1
V20
CB30
0.1uF
13
12
F
11
10
B
9
A
RFO
8
IOA
7
D
C25
6
5
C
T-
NC
4
T+
3
F+
2
1
F-
R59
20k
FOO
R60
18k
TRO
R61
15k
FMO
R62
10k
DMO
C28
C29
0.1uF
0.015uF
V1P4
V18
CB33
CB34
CB35
CB36
0.1uF
0.1uF
0.1uF
0.1uF
Chip Decap.
V18
OP-
V18
L11
FB
V18
L14
FB
DV33
OPO
89L_3V3
L12
1389_OP+
89L_3V3
FB
VCC
10k
CB24
10k
IOA
0.1uF
RF Reference
100k
L16
VCC
RFV33
FB
C18
+ CE17
0.1uF
100uF/16v
Q4
MDI2
8550
R54
4.7
R55
4.7
Q5
8550
UP1_6
R57
0
VSCK
UP1_7
R58
0
VSDA
ALF
R52
0
DV33
RS-232
RX DVD
TX DVD
Default
4x1 W/HOUSING
GPIO9
RXD
GPIO10
TXD
2 - 24
RFV18-1
CB19
0.1uF
RFV18-2
CB20
0.1uF
SERVO RF DeCAP.
RFVDD3
C4
C5
1uF
0.1uF
V20
V1P4
+
CB25
+
CE12
CE13
47uF/16v
0.1uF
47uF/16v
L15
FB
AADVDD
C8
+ CE14
6800pF
220uF/10v
R50
0
LDO2
CE18
47uF/16v
RFV33
+ CE19
47uF/16v
R56
0
LDO1
VSCK
VSDA
VSTB
IRIN
J3
1
2
3
4
Chassis DH

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