Printed Wiring Board - Key Board; Schematic Diagram - Key Board - Sony HT-NT3 Service Manual

HT-NT3
Ver. 1.1

5-30. PRINTED WIRING BOARD - KEY Board -

1 2 3
KEY BOARD
(COMPONENT SIDE)
A
B
R1703
S1704 S1703
INPUT
"/1
C
KEY BOARD
(CONDUCTOR SIDE)
D
E

5-31. SCHEMATIC DIAGRAM - KEY Board -

1 2 3
A
KEY BOARD
CN1701
4P
CL1701
KEY0 1
CL1702 R1702 1k
KEY1 2
>060S
CL1703 R1701 1k
KEY2 3
B
MB-1407 CL1704
GND 4 R1704
BOARD
1k
(12/12)
CN3003
(Page 45)
R1703
2.2k
C
S1704 S1703 S1702
INPUT
"/1
PAIRING
D
HT-NT3
• See page 31 for Circuit Boards Location.
4 5 6 7
EXCEPT
AEP, UK, RU, AUS AEP, UK, RU, AUS
MB-1407 BOARD MB-1407 BOARD
CN3003 CN3003
(Page 32) (Page 33)
>004P >014P
CN1701
4 1
R1700
1-893-938-
S1702 S1701 S1700
+ -
VOL VOL
PAIRING
CL1703
CL1704
CL1702
CL1701
1-893-938-
4 5 6 7
R1700 2.2k
S1701 S1700
+ -
VOL VOL
• : Uses unleaded solder.
8
11
(11)
11
(11)
52 52