Read Sony HCD-S20 Service Manual online
HCD-S20
HCD-S20
33
33
6-17. SCHEMATIC DIAGRAM - KEY Board -
ADC_KEY1
ADC_KEY1
ADC_KEY2
ADC_KEY2
R8
6.8K/1%
R8
6.8K/1%
R2
6.8K/1%
R2
6.8K/1%
R6
47K/1%
R6
47K/1%
C56
100pF/50V/NP0
C56
100pF/50V/NP0
R1
2.2K
R1
2.2K
R4
47K/1%
R4
47K/1%
XP1
3PIN/2.0mm
3PIN/2.0mm
XP1
3PIN/2.0mm
3PIN/2.0mm
SW7
SW7
R7
2.2K
R7
2.2K
C57
100pF/50V/NP0
C57
100pF/50V/NP0
SW8
SW8
R3
15K/1%
R3
15K/1%
R5
15K/1%
R5
15K/1%
ESD11
NC/PESD5V0S1BA/30K/35pF
NC/PESD5V0S1BA/30K/35pF
ESD11
NC/PESD5V0S1BA/30K/35pF
NC/PESD5V0S1BA/30K/35pF
SW10
SW10
SW2
SW2
ESD12
NC/PESD5V0S1BA/30K/35pF
NC/PESD5V0S1BA/30K/35pF
ESD12
NC/PESD5V0S1BA/30K/35pF
NC/PESD5V0S1BA/30K/35pF
SW3
SW3
SW9
SW9
SW4
SW4
SW6
SW6
SW1
SW1
SW5
SW5
SW1:0V
SW2:0.6V
SW3:1.34V
SW4:2V
SW5:2.72V
9᳜1᮹ ᤶᑻᄤ
1
2
3
2
3
EQ
EQ
CANCEL
CANCEL
2
1
FUNCTION
FUNCTION
ENTER
ENTER
2
1
DOWN
DOWN
OPEN
OPEN
TUNE+
TUNE+
TUNE-
TUNE-
UP
UP
PLAY/PAUSE
PLAY/PAUSE
1
2
3
2
3
KEY BOARD
A
3
6
2
5
B
7
1
4
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