Sony A941 Service Manual - Page 5
Schematic, Diagram, Base Key Board, 11. Printed, Wiring, Board
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SPP-A941 5-11. PRINTED WIRING BOARD - BASE KEY Board - 1 2 BASE KEY BOARD A 3 4 5 BLK RED SP1 KP0 REC/MEMO B 16 9 U1 (MESSAGE COUNTER) KP1 C ERASE 1 8 6 KP2, LD1 ANSWER ON/OFF KP2 LD1 5-12. SCHEMATIC DIAGRAM - BASE KEY Board - VOLUME D KP42 KP41 KP40 - + TIME/SET SELECT MENU KP30 KP31 E KP12 KP12, LD4 3 LD4 F KP20 SLOW REPEAT KP11, LD3 2 LD3 KP11 G H LED2 CHARGE • Semiconductor I LED1 IN USE Location Ref. No. Location LD1 C-6 27 LD2 H-5 LD3 G-5 LD4 F-5 J LED1 I-2 LED2 H-2 05 U1 C-4 KP10 KP10, LD2 MAIL BOX 1 LD2 D BASE MAIN BOARD J3 (Page 28) - 35 - KP22 QUICK SKIP KP16 HANDSET LOCATOR 1 1-676-810- 11 (Page 30) - 36 -
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SPP-A941
– 35 –
– 36 –
5-12. SCHEMATIC
DIAGRAM
– BASE KEY Board –
5-11. PRINTED
WIRING
BOARD
– BASE KEY Board –
• Semiconductor
Location
Ref. No.
Location
LD1
C-6
LD2
H-5
LD3
G-5
LD4
F-5
LED1
I-2
LED2
H-2
U1
C-4
(Page 28)
(Page 30)
BLK
RED
SP1
LD2
KP10
LED2
LED1
KP20
KP11
LD3
LD4
KP12
KP42
KP41
KP30
KP31
LD1
KP2
KP1
U1
(MESSAGE COUNTER)
1
27
BASE KEY BOARD
KP0
REC/MEMO
ERASE
TIME/SET
SLOW
REPEAT
CHARGE
IN USE
KP10, LD2
MAIL BOX
1
KP11, LD3
2
KP12, LD4
3
SELECT
KP40
MENU
–
+
VOLUME
KP2, LD1
ANSWER
ON/OFF
1
8
16
9
D
1-676-810-
11
KP22
QUICK
SKIP
KP16
HANDSET
LOCATOR
BASE MAIN
BOARD
J3
05
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6