Yamaha CD-S2000 Service Manual page 45

Super audio cd player
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A
B
C
POWER
1
POWER
ON/OFF
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
6
7
8
9
10
D
E
F
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
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
IC604: NJM7808FA
IC603: NJM78M05FA
3-terminal voltage regulator
3-terminal positive voltage regulator
IN
OUT
GND
G
H
I
17.0
14.9
5.0
14.3
0
12.5
5.6
-17.2
17.0
5.0
5.6
-0
0
CB608
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
CB609
0
0
-5.5
-5.5
-14.4
-12.4
-14.4
-15.0
-17.2
11.2
8.0
5.6
8.0
5.0
IC661
0
IC603
11.2
11.2
8.0
8.0
0
5.0
0
5.6
REGULATOR
25.8
12.2
7.3
IC604
0
14.7
IC606
14.7
8.0
0
25.8
12.2
0
7.3
17.3
0
36.1
36.1
30.3
31.0
17.3
31.0
0
IC606: NJM78L12UA
IC661: BA08CC0T
1A low dropout voltage regulator
3-terminal positive voltage regulator
INPUT
VIN
OUTPUT
Vcc 1
VOUT
GND
GND
J
K
L
Page 44
B2
to AUDIO_CB5
C618
WN19300
WG39970
C620
4700/50
5600/56
C619
C621
C622
WM11240
VT96660
6800/16
6800/16
C623
WM11320
WM55410
4700/25
4700/25
Page 44
B8
to AUDIO_CB6
POWER (1)
5.0
3.3
IC605
5.0
3.3
0
-12.3
8.1
8.1
8.1
8.1
0
8.1
8.0
-12.3
8.1
8.0
8.1
CB612
To LOADER ass'y
Vref
Driver
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
3
VOUT
# 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.
OVP
TSD
OCP
2
GND
M
N
CD-S2000
WG39970
WG39970
WN19300
5600/56
5600/56
4700/50
VT96660
VT96660
WM11240
6800/16
6800/16
6800/16
WM55410
WM55410
WM11320
4700/25
4700/25
4700/25
CB610
Page 41
L2
to DIGITAL (1)_W306
CB611
Page 41
B8
to DIGITAL (1)_W309
45

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