Yamaha CD-C600 Service Manual page 50

A B C
CD-C600
OPERATION 2/4
1
OPERATION (5)
IC501
2
OPERATION (6)
CLAMP-UP/DOWN SW
3
OPERATION (7)
LOADING SW
4
5
6
7
8
9
10
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
50
D E F
W501 CB503
CB501
CB504
CB502 CB505
CB506
LOADING MOTOR
CB507
DISC CLAMP MOTOR
CB508
TRAY ROTATE MOTOR
G H I
5.1
4.9
3.8
0
0
3.3
TRAY OPEN/CLOSE DRIVER
IC502
0
0
3.3
6.2
0
0
0
-13.5
0
0 0
IC503
0
0
TRAY OPEN/CLOSE DRIVER
0
0
IC503
0 0
0
11.7
J K L
OPERATION (8)
CB509
4.8
0
3.3
0
3.3
0
0
0
0
0
0
5.0
0
W502
11.7
-13.5
to OPERATION (11)_CB808
M N
Page 48 I2
to MAIN_CB306
Page 52 L8
IC502: TA7291P
Bridge driver
Vcc Vref
7 4
8 Vs
REG OUT1
2
M
PROTECTOR 10
CIRCUIT
OUT2
(TSD)
5 6 1
GND
IN1
IN2
IC503: LA6510
1 A power operational amplifier
VSENSE1 1
VOUT1 2
- +
VIN1-
3
VIN1+
4
VEE 5
VIN2+
6
VIN2- 7
- +
VOUT2 8
VSENSE2 9
VCC 10