Schematic Diagram Of H2 And H3 Boards - Sony KE-MR50M2 Service Manual

(5) Schematic Diagram of H2 and H3 Boards

1 3
2
A
S9700 S9702 S9703 S9704
ENTER RIGHT UP DOWN
B R9701 R9709 R9713 R9717
0 0 0 0
:CHIP :CHIP :CHIP :CHIP
R9702 R9707 R9711 R9715 R9719
10k 4.7k 2.2k 1k 680
:CHIP :CHIP :CHIP :CHIP :CHIP
C
H2
(KEY2)
D
H2
[KEY2]
— H2 BOARD —
1
A
<COMPONENT SIDE>
1
A
<CONDUCTOR SIDE>
4 5
A
S9705 S9706
LEFT MENU CN9701
3P
WHT
1 KEY1
TO H3 BOARD
2 GND
CN9800
3 KEY_WAKE
R9721 R9725 B
0 0
:CHIP :CHIP
CN9700
R9723
470 4P
:CHIP WHT
1 KEY_WAKE
2 KEY1 TO H1 BOARD
CN9501
3 GND
4 KEY2
C
B-SS12581<HK.>-H2.
D
H3
— F3 BOARD —
2
A
2
A
1 3
2
D9800
DAP202K-T-146
KEY_WAKE
S9800 S9801 S9802 S9803 S9804 S9805 S9806
CH UP CH DOWN VOL UP VOL DOWN MS SELECT A/D TV
R9801 R9805 R9809 R9813 R9817 R9821 R9825
0 0 0 0 0 0 0
:CHIP :CHIP :CHIP :CHIP :CHIP :CHIP :CHIP
R9802 R9807 R9811 R9815 R9819 R9823
10k 4.7k 2.2k 1k 680 470
:CHIP :CHIP :CHIP :CHIP :CHIP :CHIP
H3
(KEY1)
B-SS12581<HK.>-H3.
[KEY1]
1
<COMPONENT SIDE>
1
<CONDUCTOR SIDE>
4 5
CN9800
3P
WHT
1 KEY1
TO H2 BOARD
2 GND
CN9701
3 KEY_WAKE
2
• H3 BOARD
SEMICONDUCTOR LOCATION
DIODE
( Component )
Side
D9800 A-2
: Refer to Terminal name of
*
semiconductors in silk
screen printed circuit (see page 3-13)
2
( Conductor )
Side *
qa
KE-MR50M2 (CH) 3-43