Schematic Diagrams - Yamaha CD-C600 Service Manual

A B C
CD-C600
OPERATION 4/4
1
2
3
4
5
6
OPERATION (12)
CB801
AC IN
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.
52
D E F
OPERATION (10)
AC8.1
POWER ON/OFF
CB804
POWER
TRANSFORMER
CB802
OPERATION (14)
OPERATION (13)
R, L models
G H I
8.2 4.3
8.2 4.8
3.2 4.9
4.9
0 8.2
3.8 4.9 0.2
0
OPERATION (11)
0 11.9
0 11.9
11.7
0
AC20.8
0 11.7
CB805 CB806
0 -13.5
0 -13.5
AC5.3
0 11.7
0
11.7
-26.4 -39.2
-26.4
VOLTAGE
SELECTOR
-13.5
J K
4.3 3.4
CB851
4.3 3.4
Page 48 D6
0
to MAIN_CB302
4.3
4.3
0.2
0.9
0
11.9
11.9 7.3
7.9
7.9
11.7 5.0
11.7
IC801
5.0
0
5.0
11.7
IC802
11.7
5.0
0
5.0
0
0
0 -5.0
-13.5
IC803
-5.0
-13.5
-5.0
7.3
11.7 7.3
7.3 -4.4
7.2
0
11.7 7.2
-39.2 -27.7
-28.3
-28.3
0
-27.7
-21.6
L M N
IC851: R1154N033B-TR-F
Voltage regulator
Thermal
Shutdown
1 V
V DD 3 OUT
4 NC
Vref
Pin No. Symbol Description
Short Current
1 V Output Pin for Voltage Regulator
OUT
Protection Limit
2 GND Ground
Circuit Circuit
3 V Power Supply Pin
DD
CE 5 2 GND
4 NC B Version No Connection
5 CE Chip Enable Pin (active at "H")
CB807
0
11.9
7.3
0
0
Page 48 B5
5.0
to MAIN_CB301
5.1
0
-5.0
-4.4
IC801, 802: KIA7805API
Voltage regulator
1 INPUT
R22 R17 R23
R1 Q11 Q11-1
Q15
Q16
Q12
Q14 R14
R10 R15
Q19
Q17 R16
R19
R12 3 OUTPUT
Q18 Q6 R20
Q1
R18
R11
R9
R7 C1
Z1
R2 Q10
Q2
R21
R3 Q7
Q13
Q4
Q8
Q3 Q5 Q9
R13
R4 R5
R6 R8
2 COMMON (GND)
CB808
11.7
-13.5
0
Page 50 L7
to OPERATION (8)_W502
CB809
-27.7
-21.2 Page 49 B2
-21.2
to OPERATION (1)_W701
0
IC803: KIA79M05PI-U
Voltage regulator
-5V
R7
1.4K
Q8
R18
R19
Q7
4K 5K
R6
7K
Q10
Q9
D1 D2
R5
6.2V 6.2V
15K R17
Q11
5.4K
Q12
Q6
Q17
Q2 V
OUT
Q16 Q18
Q19 D3
R10
R11 6.2V
3K
R15
10K
2K
Q1
Q13
R14 R20
10pF R12
15K 20K
20pF 600
Q4
Q3 Q5 R4
20K Q14 Q15 Q20
Q21
R8 R9 R13 R21
R16
R1 R2 R3 20K 20K 5K 150
0.05
750 1K 6K
V IN