Sony ICD-BP220 Service Manual ▷ View online
11
11
ICD-BP220
3-5. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –
• Refer to page 21 for IC Pin Function. • Refer to page 6 for Waveforms.
12
12
ICD-BP220
3-6. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) –
• Refer to page 20 for IC Block Diagrams.
IC B/D
IC B/D
IC B/D
13
13
ICD-BP220
3-7. SCHEMATIC DIAGRAM – F-SW SECTION –
14
14
ICD-BP220
3-8. PRINTED WIRING BOARD – F-SW SECTION (1/2) –
•
: Uses unleaded solder.
IC 507
F-SW BOARD
(SIDE A)
1-680-351-
12
(12)
1
2
A
B
C
D
E
F
G
H
I
J
K
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
A-B REPEAT
/PRIORITY
INDEX/
BOOKMARK
FOLDER
DISPLAY
ERASE
MENU
STOP
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
2PCS, 3V
Ref. No.
Location
IC507
H-2
Q504
J-2
• Semiconductor
Location
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