Sharp DX-AT50H (serv.man21) Service Manual ▷ View online
– 45 –
DX-AT50H
Figure 45 SCHEMATIC DIAGRAM (10/12)
7
8
9
10
11
12
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
POWER SUPPLY
Ref No.
Position
IC1001
B-1
IC1002
D-3
IC1003
D-2
IC1006
C-1
Q1001
B-2
Q1002
D-3
Q1003
B-2
Q1004
D-1
Q1005
D-1
Q1006
D-3
Q1007
D-2
Q1008
A-2
Q1010
C-2
Q1011
D-2
Q1012
C-1
Q1014
D-2
CN1001
E-3
CN1002
E-1
CN1003
A-1
ICS
TRANSISTORS
CONNECTORS
DX-AT50H
– 46 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 46 SCHEMATIC DIAGRAM (11/12)
FRONT CBA
Ref No.
Position
Ref No.
Position
Ref No.
Position
IC2001
A-2
Q2002
B-1
Q2007
B-2
IC2002
B-1
Q2003
C-1
Q2008
B-2
Q2004
A-1
Q2001
A-1
Q2005
A-1
CN2001
D-1
ICS
CONNECTOR
TRANSISTORS
TRANSISTORS
TRANSISTORS
FRONT PWB
– 47 –
DX-AT50H
Figure 47 SCHEMATIC DIAGRAM (12/12)
7
8
9
10
11
12
VCD
TITLE GROUP PBC CHAPTER TRACK
DVD-A SACD
RANDOM A
B
a
b
c d e
f
g
h
h
h
h
h
5
4
3
2
1
TITLE
V
CD
GROUP
PBC
DVD
-A
COM1
COM3
COM2
SEG1
5-d
5-c
5-e
5-g
5-h
5-f
4-d
4-e
4-h
4-f
3-d
5-b
5-a
4-c
4-g
4-b
4-a
3-c
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
FL2001 MATRIX CHART
CHAPTER
TRACK
SACD
RANDOM
A
B
COM1
COM3
COM2
3-e
3-h
3-f
1-e
1-c
2-d
2-e
2-f
1-d
1-f
3-g
3-b
3-a
1-c
2-c
2-g
2-b
1-a
1-b
1-g
1-a
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
DX-AT50H
– 48 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 48 WIRING SIDE OF P.W.BOARD (1/6)
WF1
PIN 6 OF
IC1402
IC1402
WF2
PIN 4 OF
IC1402
IC1402
WF3
PIN 2 OF
IC1402
IC1402
WF4
PIN 7 OF
IC801
IC801
WF5
PIN 8 OF
IC801
IC801
DVD MAIN PWB (TOP VIEW)
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