Remote Board; Key Board - NAD VISO 1 Service Manual

REMOTE BOARD

C1
200p
X1
455KHz
C2
GND
200p
IC101
23
KI0
24
KI1
1
KI2
2
KI3
3
KI4
4
KI5
5
KI6
6
KI7
K40
PLAY/PAUSE

KEY BOARD

9
SEL
PT2222
12
VSS
22
CSS
GND
PT2222
K49 K53
SKIP/SCAN FORWARD
VOLUME_DOWN
K50 K54
SKIP/SCAN BACK MUTE
K51
SYNC
K52
VOLUME_UP
C45
1000pF
J12
SYNC
J10
Volume UP
J7
Volume Down
29
R1
1R
D1
IR
GND
8050SMD
Q1
GND
R2
100K
R3
100K
R4 100K
R5 100K
R6
100K
customer code for : 860F
J1
CON-02P
2pin
Section A / B
1
KEY 2
CN1
1
2
BATTERY SOCKET
GND