5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
ADC_KEY1
ADC_KEY2
R157
680E
S10
SOURCE SELECT
1
2
R147
430E
R156
680E
S8
REPEAT
1
2
S12
PLAY/PAUSE
1
2
R159
1K
R149
270E
S4
DBB1
1
2
R160
1K
S9
NEXT
1
2
S2
STOP
1
2
R151
330E
R148
270E
R146
430E
S6
TIMER
1
2
S3
PERVIOUS
1
2
R150
330E
R155
470E
S1
ALARM-1
1
2
S5
VOL+
1
2
R153
470E
S7
POWER ON/OFF
1
2
S11
VOL -
1
2
7.2 KEY BOARD