Yamaha HTR-6050, Service Manual

Page: 69 / 87

CB101
IC102
IC101
W101A
W103
W102A
CB103
CB104
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V561/HTR-6050
69
★
All voltages are measured with a 10M
Ω
/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.
MAIN 1/2
-12.0
-12.0
-46.4
-47.6
47.8
47.3
47.8
47.7
47.5
47.5
1.7
-11.8
3.3
3.3
1.7
-11.8
-46.4
-47.6
47.8 47.3
47.5
47.5
47.5
1.7
-12.0
-12.0
11.8
11.8
11.8 11.8
11.8
11.6
11.6
11.6
11.6
11.6
11.6
11.7
-12.0
-12.0
0
0
0
0
0
0
-12.0
-28.7
-27.2
0
-27.2
-26.6
-12.0
-12.0
-12.0
-12.0
-12.0
11.7
11.7
0.1
0.1
0.1
0.1
3.2
3.2
0.1
-47.6
-37.5 0
0
-37.5
AC 56.3
AC 70.6
47.8
0.1
0
0.1
0.1
11.7
-11.8
-12.0
-12.0
-12.0
3.2
3.3
-11.8
-11.8
3.3
3.3
0
0 0 0 0
0 0 0 0 0 0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1 0.1
0
.1
0.1
0.1 3.3
0
0 0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
47.3 47.3
47.3
-47.5
-46.4
-47.3
-47.0
-47.2
-47.2
-47.5
-47.5
46.3
3.0
2.6
2.9
2.9
3.2
0
0
0.4
0.4
0
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0
0
0
0
0
0
0
0
SURROUND L
SURROUND L
CENTER
CENTER
FRONT L
FRONT L
IC101 : STK433-330-E
3-channel AF power amplifier, stand-by circuit built-in
SUB
Pre
Driver
CH1
+
–
Pre
Driver
CH2
MONO IC
Bias Circuit
Pre
Driver
CH3
9 5 4 6 7 10 13 14151617 19 18
3
8
11
12
1
2
SUB
9 7 13 6 4 5 10
2
1
12
11
+
–
+
–
14
15
8
3
Pre Driver
CH1
Pre Driver
CH2
Bias Circuit
IC102 : STK433-130-E
2-channel AF power amplifier, stand-by circuit built-in
+
–
+
–
MAIN (1)
to MAIN 2/2
to MAIN 2/2
to MAIN 2/2
to MAIN 2/2
to MAIN 2/2
to MAIN 2/2
to MAIN 2/2
SPEAKERS
FRONT A
L/R
LIM [V]
POWER AMPLIFIER
POWER AMPLIFIER
High Low (U, C models)
+3.0 to +3.3 (255) +1.20 to +1.35 (102) LIM [V] (A/D 3.3V=255)
+42.0 to +48.0 (8-ohms)
+20.0 to +23.0 (8-ohms/6-ohms)
-25.0 to -23.0 (8-ohms/6-ohms)
+33.0 to +36.0 (6-ohms)
-48.0 to -42.0 (8-ohms)
-36.0 to -33.0 (6-ohms)
+BV [V]
-BV [V]
to OPERATION (2)_CB233
Page 68 A8
to OPERATION (6)_CB261
Page 67 B5
to VIDEO (4)_CB381
Page 72 G2
to VIDEO (4)_CB382
Page 72 G4
To POWER TRANSFORMER
to DSP_CB501
Page 65 B4