Yamaha TSX-10 Service Manual page 35

A B
SCHEMATIC DIAGRAM (MAIN)
MAIN 1
1
Q Q
3 7 6 3 1 5 1 5 0
HEADPHONE AMP &
SUBWOOFER AMP
11.0
0
0
0
2
0
0
AMP MUTE
-11.4
0
-11.3
0
0
-11.3
0
3
4
-11.3
AMP
MUTE
T E
L 1 3 9 4 2 2 9 6 5 1 3
5
6
TUNER
RDS DECORDER
7
w w w
8
.
9
C D E
11.0 11.9
AMP MUTE
11.6
0.5
0
0
-11.3
0
POWER AMP
0
-11.3 To DIGITAL (2)
0
CB207
0
9.0 11.9
0
SP-RY
5.0
5.0 2.3 5.0 5.0
SW
MUTE
5.0 0
5.0
2.3 0
12.9
0.4
12.8
0
12.8
-41.3
-28.0
0
21.8
0
-26.8
-41.1
x a o
y
i
F G
http://www.xiaoyu163.com
SW MUTE
0
8
0.7
0
14.0 14.0 14.0 14.0
14.0 14.0
14.0
14.4 14.0
14.0 7.0 7.0
DC DETECT
0 14.0 7.1 7.1
7.0
7.1
0
7.0 7.0
0
7.1
ZOBEL
0
CIRCUIT
7.1
0
LOW PASS
FILTER
0
17.9
0 17.9
7.1
0.2
0.2
7.1 ZOBEL
0.7
CIRCUIT
0
VOLTAGE LIMITTER
2.8
0 14.4
35.0 26.0
0
0
18.0
18.0
11.9
0
14.4 18.0
18.0
15.0
15.0
15.0
15.4
8.8
17.5
11.9
5.0 15.4
0
0 0
Q Q
3 7 6 3
-11.5 -16.6
-12.1
0
5.1 9.9
9.9
5.6
4.5
4.2
5.6
0
0
MAIN 2
POWER SUPPLY
-0.4 AC23.8
12.9 -15.9
-0.4
-15.9
AC3.6
u 1 6 3
.
To MAIN (1)
CB13
H I
IC6: BA15218F
Dual OP-Amp.
2 4
9 9
1 2 3 4 5 6 7 8
SP RELAY
18.0 2.1
2.6
18.0
3.1
0.7
0.1
FAN DRIVE
AC14.8
To POWER
TRANSFORMER
18.0
8.8
AC8.6
0
1 5 1 5 0 8 9 2
0 -8.2
-16.6
2SC1740S DTA114EKA 2SC1674
2SD1938F 2SC4488
2SA933S
2SC2412K
2SC3330
C
E
B
B
C
E
C B E
LC72722 NJM78L09A NJM78M12FA
NJM78M05FA
12
24
OUT
1
COM IN
m
c o
H All v oltage are measured with a 10MΩ /V DC electric volt meter.
H Components ha ving special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
H Schematic diag ram is subject to change without notice.
J K L
TSX-10/15/20
IC5: TA2020-020
20W x 2ch Digital Audio Amp.
2 VDD1
8 9 9
NC 1
26 OUTP1
VP 9
PROCESSING
IN1 10 PGND1
&
MODULATION VDD1
5V
BIASCAP 14 24 OUTM1
MUTE 11
PGND1
18 FAULT
6 OVERLOADB
VP 12
VDD2
IN2 13
21 OUTP2
PROCESSING
REF 4
PGND2
&
VDD2
MODULATION
23 OUTM2
DCAP1 32
PGND2
DCAP2 31
SLEEP 17
29 CPUMP
NC 5 27 VDDA
20 DGND
V5D 2
30 5VGEN
AGND1 3
V5A 8 25 VDD1
28 PGND1
AGND2 7
NC 15
22 VDD2
AGND3 16
19 PGND2
IC2: NJM78L09L
Voltage Regulator
V
IN
V
OUT
GND
IC3: NJM78M12FA
Voltage Regulator
INPUT
OUTPUT
4 9 8 2 9 9
COMMON
IC1: LC72722
RDS Decoder
1 5 6
VDDA CLOCK
3 14 VDDD
+ PLL
RECOVERY
REFERENCE (57kHz)
(1187.5Hz)
VOLTAGE
VSSA 4 15 VSSD
VREF
57kHz
ANTIALIASING SMOOTHING DATA
MPX IN 2 bpf 19 RDS-ID
FILTER FILTER DECODER
(SCF)
DO 20
CL 21 18 SYNC
RAM ERROR CORRECTION SYNC/EC
DI 22 CCB (24 BLOCK DATA) (SOFT DECISION) CONTROLLER
24 SYR
CE 23
CLK(4.332MHz)
T1 7
MEMORY
CONTROL
T2 8
TEST SYNC SYNC
T3 9 DETECT-1 DETECT-2
OSC/DIVIDER
T4 10
11 16 17 13 12
2SD2396 1SS355 S1NB20 D3SBA20
MA8270-M
1SR154-400
MA8120-M Anode
MA8056-M
~
RB160L-40
~
MA8150-M –
–
MA8160-L
+ ~
B C
~
E
Cathode +
TA2020-020 BA15218F
8 4
32
1
3: IN
1: OUT
2: COM
1
42