Yamaha CRX-E150, Service Manual

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2SB544
E
C B
A
1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
CRX-E150
SCHEMATIC DIAGRAM (CD)
E-44/J-40
AN8785SB M38B59MFH-A126FP AN8399SA-E1
MN35511AL
TC74HC125AF 2SD1938F
PIN CONNECTION DIAGRAM OF TRANSISTORS,
DIODES AND ICS.
★
All voltage are measured with a 10MΩ /V DC electric volt meter.
★
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.
IC105: AN8399SA-E1
CD Head Amp.
IC1: AN8785SB
5-Channel Power OP-Amp System Driver
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
+
-
-
+ -
16 10 12 11 18 17 14 13 19 1
4
5
3
6
28 26 25 24
Standby
Band gap
V
CC
/V
REF
Reset Circuit
1.25V
SW
Thermal
Protection
Circuit
IN-
IN+
OUT
VREF
22 27 20 15 21 8 9
IN2+
CH4 SW
IN2-
IN4 IN3 IN1 IN5
SVCC
PGND2 PGND1
ST
ANDBY
D2-
D4-
D3- D1- D5-
D2+
D4+ D3+ D1+ D5+ PVCC3 PVCC1 PVCC2
23
7
2
1
14
15
21
22
29
30
7
8
28
+
–
21
20
+
–
19
+
–
2
1
SUBT
AMP
+
–
GCA BCA
32
31
23
11
16
10
4 5 6 8 9 12 13 14 15
AMP GCA BCA
30
29
AMP GCA BCA 27
AMP GCA BCA 28
SUBT
NRFDET 3TENV
OFTR BDO AGC RF EQ
BAND GAP
22
25 17 7 3 26 24 18
A
C
B
D
E
F
VREF
SLPSW
GCTL
TBAL FBAL
LDRCTL
GND
VCC
CEA
RFN RF OUT RF IN CA
GC
ARF CBDO BDO COFTR OFTR
3T OUT
NRFDET
FEN
FEOUT
TEN
TE OUT
LD
PD
32
16
1
17
1 24
25
40
41 64
65
80
41
40
21
60
61
80
20 1
4G 13
4A 12
4Y 11
3G 10
3A 9
3Y 8
1A 2
2Y 3
2G 4
2A 5
2Y 6
GND 7
IC7: TC74HC125AF
Quad Bus Buffer
Vcc 14 1G 1
1
7
14
B
E
C
CD HEAD AMP
LD DRIVE
PICK UP DRIVER
DSP-DAC
8 BIT µ-COM
E-45/J-41 TO MAIN (1)
D2
E-45/J-41 FROM MAIN (2)
K4
FROM
CD
MECHANISM
UNIT
TO
CD
MECHANISM
UNIT
TO
CD
MECHANISM
UNIT
Point 1 Pin 59 of IC102 Point 2 Pin 15 of IC103
14
2
5
9
7
12
1
6
8
10
13
11
4
3
4.5
2.0
3.9
2.6 2.6
0.2 3.9 5.1
2.5 2.1 4.2 2.5
1.5
2.6
3.4
2.5 4.0
0
3.8
0
0
2.6 2.6 2.5 2.5
2.5 2.5
2.5 2.5
2.5
2.5
2.5
2.6
0
0
2.5
2.5
0
2.5
2.5
0
0
0
0
5.0
5.1
5.1
2.6
0
5.1
0.1
5.1
~
0
5.1
4.6
5.1
2.5
2.5
0
0
0
5.1
5.1
2.1
2.6
2.6
1.4
2.6
1.9
0
2.2
2.2
4.9
2.5
4.9
0
2.5
2.5
2.2
2.2
3.4
0
2.2
2.2
2.0
2.4
4.9
4.9
2.5
0
2.5
2.5
2.5
2.5
0
0
2.5
0 0
2.6 2.6 2.6 2.5 2.4 2.6 2.5 2.5 2.5 2.5 2.5 2.5 2.5
2.5
0 0
2.5 2.5 2.5 5.0 5.1 5.1 0.1
5.1 5.0
0
2.5
0
0
5.1
5.1
0.1
5.1
~
5.0
~
5.1
0
0
0
~
0
0
~
0
0
5.1
0
5.1
4.8
5.0
0
~
5.1
5.1
5.1
0.1
5.0
5.1
0
5.0
5.0
5.0
2.4
2.1
0
5.0 5.0
0
5.0
5.0
2.5
0
5.0
5.0 2.5
0
5.0
1
2
CD
w w w . x i a o y u 1 6 3 . c o m
Q Q
3 7 6 3 1 5 1 5 0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
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