Printed Circuit Boards - Yamaha CD-C600 Service Manual

A B
CD-C600

■ PRINTED CIRCUIT BOARDS

1
MAIN P.C.B.
(Side A)
2
OUT
3
7
1
IN
REMOTE
7
CONTROL
1
4
9
RS-232C
8
5
DIGITAL
OPTICAL
OUT
6
7
38
C D
POINT A XL1 (Pin 73 of IC2)
GND
LIMIT SW
SLED M-
To PU mechanism unit
SLED M+
OPERATION (10)
SPINDLE M-
SPINDLE M+
CB311
8
18 19
14
8
1 36
14
16
IC307
1
1 20
80 21
IC2
61 40
60
41
8
3 1
4 5 1
A
F-
T+
T-
OPERATION (9)
F+
MD
(CB601)
VR
LD
RFGND
F
C
B
A
D
E
Vcc
Vref
To PU mechanism unit
E F
POINT B XL2 (Pin 6 of IC7) POINT C XL301 (Pin 10 of IC305)
D
(CB851)
2 1
C
(Writing port)
CB302 CB305
1
4
IC306
5
3
3 1
4
5
1 20
21
80
IC305
61 40
1
60 41
5
CB304
4
3
IC6
25 36
1 5
24 37
1 5
IC7
20 6
IC8
16 10
13
11 48
15
12 1
3
4
1 6
9
16
CB303
B
VCC
D-
D+
GND
FG
OPERATION (4)
(W703)
No replacement part available.
G H I
POINT D 1 / IC306 (2 pin), 2 / IC306 (1 pin)
IC306 1 IC306
(2 pin) (2 pin)
IC306 2 IC306
(1 pin) (1 pin)
POWER ON POWER OFF
DGND
D+5
NC
TBL-L
TBL-R
CL_DOWN
CL_UP
CLOSE
OPEN
OPSW
CLSW
DOWNSW
UPSW
TBL_POS
OPERATION (8)
(CB509)
M2GND
+B2
M+7
M1GND
DGND
D+5
A+5
AGND
OPERATION (1)
A-5
P_MUTE
(CB702)
OPERATION (11)
(CB807)
• Semiconductor Location
Ref no. Location
D2
D3
D302
D308
IC1
IC2
IC4
IC6
IC7
IC8
IC301
J
1
2
POWER ON
Ref no. Location
E5 IC302 E6
E5 IC303 F6
E6 IC305 E4
F4 IC306 F3
D4 IC307 C4
C5 IC308 C3
C6 IC309 C4
F5 IC313 F3
F5 Q1 C4
E5 Q309 F5
G1