7
P
R
T
Q
S
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD
PLAY
OPEN/CLOSE
PAUSE
PREV
15
1
STOP
NEXT
S19
S23
FRONT KEY UNIT
S18
S17
S22
S5
S11
SEQ. MODE
S4
DISC SKIP
S1
DISC 5
S2
S16
D12
D11
D10
DISC 4
S3
DISC 3
S10
D9
DISC 2
S9
D8
S14
S15
DISC 1
S8
S12
S13
S7
S6
S21
S20
J3
1
11
12
22
23
33
34
44
R2
R3
R1
C1
OUT
GND
VCC
R9
R8
1
7
R7
R6
R5
JMP7
R4
C4
11
5
IR1
51
54
50
35
16
5
1
R12
C3
C5
C2
JMP9
JMP1
JMP2
JMP3 JMP4
JMP5
JMP6
JMP8
JMP10
J1
D14
D15
U1
U2
D1
D2
D3
D4
D5
D6
D7
FRONT VFD UNIT
J2
N2