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DSC-U20
COVER
COVER
ST-79 (FLASH DRIVE)
For Printed Wiring Board.
•
:Uses unleaded solder.
• ST-79 board is 4-layer print board. However, the pattern of
layers 2 to 3 have not been included in the diagram.
• There are a few cases that the part isn't mounted in this
model is printed on this diagram.
• See page 4-63 for printed parts location.
ST-79 BOARD (SIDE A)
CL559
L501
A
S
G
Q502
D
Q501
E
C
D504
B
Q504
R513
Q505
B
E
B
C507
D503
C
Q506
1
05
ST-79
4-2. SCHEMATIC DIAGRAMS
4-2. SCHEMATIC DIAGRAMS
2
5
A
K
A
R512
D502
T502
3
4
1
K
A
C506
R511
4
1
C
D505
C511
R510
Q503
R506
B
E
Q508
C
B
E
R509
5
8
R508
2
4-47
4-3. PRINTED WIRING BOARDS
4-3. PRINTED WIRING BOARDS
ST-79 BOARD (SIDE B)
11
05
MOUNTED PARTS LOCATION
MOUNTED PARTS LOCATION
CL558
CL557
CL506
CL507
CL505
CL503
CL555
CL502
CL554
CL556
CL508
CL513
CL514
CL541
CL511
CL512
CL537
CL536
CL531
CL522
CL532
CL533
CL553
1-721-971-
4-48
CL504
CL501
CL516
CL521
CL526
CL552
CL551
11
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