Yamaha CD-S2000 Service Manual page 45

A B C
POWER
1
Q Q POWER
7
ON/OFF 3
POWER (3)
2
CB613 CB614
3
AC IN
4
POWER (2)
R, L models
W604B W604A
5
W601B W601A
W605B W605A
W603B W603A
W602B W602A
T E
L 1 3 9 4
6
7
8
9
w w w
.
10
D E F
1 5 1
6 3
AC27.6
U, C, T, K, A, B, G, J models
CB606
CB603
POWER TRANSFORMER
AC27.6
for AUDIO
R, L models
CB602
CB603
POWER TRANSFORMER
for AUDIO
R, L models
CB604
2 2 9 6 5 1 3
CB605
POWER TRANSFORMER
for DIGITAL/LOADER
U, C, T, K, A, B, G, J models
CB607 AC9.9
CB605 AC12.5
AC27.8
AC4.2
POWER TRANSFORMER
for DIGITAL/LOADER
IC603: NJM78M05FA
3-terminal positive voltage regulator
x a o
IN
y
i
OUT
GND
G H
http://www.xiaoyu163.com
5
0
17.0
14.9
5.0
14.3
0
12.5
5.6
-17.2 17.0 5.0
5.6
-0
0
0
-5.5
-5.0
-5.5
-14.4 -12.4
5.0
-15.3
-17.2
17.0
14.2
14.8
14.2
0
5.6 12.5
-17.2 17.0 5.0
5.6
0
0
0
-5.5
-5.5
-14.4 -12.4
-14.4
-15.0
-17.2
11.2 8.0
Q Q
3 7 6
5.6
IC661
0
11.2
11.2 8.0
0
5.6
7.3
IC604
0 14.7
14.7 8.0
0
7.3
17.3
0 36.1
36.1 30.3
31.0
17.3
31.0
0
IC606: NJM78L12UA
IC604: NJM7808FA
3-terminal positive voltage regulator
3-terminal voltage regulator
u 1 6 3
INPUT
.
OUTPUT
GND
http://www.xiaoyu163.com
I J K
2 4
8 9 9
CB608
Page 44 B2
to AUDIO_CB5
C618 WN19300
C620 4700/50
C619
C621
C622 WM11240
6800/16
C623 WM11320
4700/25
CB609
Page 44 B8
to AUDIO_CB6
POWER (1)
3 1 5 1 5 0 8 9 2
8.0 5.0
5.0 3.3
IC603
IC605
8.0
5.0
0
5.0 3.3
0
REGULATOR
-12.3
25.8 12.2
8.1
8.1
8.1
8.1
IC606
0
8.1
25.8 12.2
0
8.0 -12.3
8.1 8.0
8.1
CB612
To LOADER ass'y
IC661: BA08CC0T
1A low dropout voltage regulator
m
c o
VIN
Vref
Driver
3 VOUT
Vcc 1
VOUT
OVP TSD OCP
2
GND
GND
L M N
CD-S2000
2
8 9 9
WG39970 WG39970 WG39970 WN19300
5600/56 5600/56 5600/56 4700/50
VT96660 VT96660 VT96660 WM11240
6800/16 6800/16 6800/16 6800/16
WM55410 WM55410 WM55410 WM11320
4700/25 4700/25 4700/25 4700/25
4 9 8 2 9 9
CB610
Page 41 L2
to DIGITAL (1)_W306
CB611
Page 41 B8
to DIGITAL (1)_W309
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
45