Yamaha RX-V363 Service Manual page 81

A B C
MAIN 1/2
1
POWER AMPLIFIER
IC102
0
SURROUND L
2
-11.9 0
0
-11.9 0
3
3.3
3.3
-12.0
4
3.3
3.3
-12.0
POWER AMPLIFIER
IC101
5 CB101
0
-11.9 0
0
-11.9
0
6
FRONT L
CENTER
3.3
3.3
7
-12.0
0
-11.9
0
8
51.6
50.9
51.6
51.6
2.7
9 50.7
-51.3
0.4
0
10
LIM [V] (A/D 3.3V=255) +3.0 to +3.3 (255)
+46.0 to +52.0 (8-ohms)
+BV [V]
+33.0 to +36.0 (6-ohms)
MAIN (1)
-52.0 to -46.0 (8-ohms)
-BV [V]
-36.0 to -33.0 (6-ohms)
D E F
5.16
0
51.8
51.6
0
0
0
0
5.0
51.6
0
0
0
5.0
0
0
51.6
0
0
0
0
51.6
0
0
0
0
51.6
0
0
0
0
51.6
4.4
LIM [V]
3.4
2.7
-51.6
51.8
51.8
0.4
0
High Low (U, C models) Low (R, T, K, A, B, G, E, F, L models)
+1.20 to +1.35 (102) +1.00 to +1.20 (90)
+18.0 to +21.0 (8-ohms/6-ohms)
+20.0 to +23.0 (8-ohms/6-ohms)
-25.0 to -23.0 (8-ohms/6-ohms) -22.0 to -19.0 (8-ohms/6-ohms)
G H
FRONT L
SPEAKERS
W101A
to MAIN 2/2
W103
0 0
0 0
3.4
0
0
SURROUND L
0 0 0
CENTER
0 0 0
W102A
CB103
11.9
11.8
to MAIN 2/2
11.8
0.2
-12.0
0
-12.1
to MAIN 2/2
0
3.4
11.9
11.9
0
11.9
0
11.7
-12.0
to MAIN 2/2
11.7 -12.0
11.9
0.2
-12.1 -12.1
0
11.7 11.7
to MAIN 2/2
0 0
0
11.6 11.6
3.3
11.6
0
11.6
-12.1
-12.1
to MAIN 2/2
-31.8
0.2
-35.7
-32.5
-32.5
0
0
-51.9
52.0
0
I J K
FRONT A
L/R
MAIN (3)
W101B
L
FRONT B
R
CENTER SPEAKERS
W102B
L
SURROUND
R
IC101: STK433-330-E
3-channel AF power amplifier, stand-by circuit built-in
3
8
Pre
Driver
CH1
+
11
12 –
1
2
SUB
9 5 4 6 7
IC102: STK433-130-E
2-channel AF power amplifier, stand-by circuit built-in
3
8
11.9
Pre Driver
CH1
11.9
11.8
11
11.9
+
12
–
0
-11.9
1
AC61.9
2
-41.3
CB104
0
SUB
10
-41.3
0
To POWER TRANSFORMER
AC76.5
L M N
RX-V363/HTR-6130
Pre Pre
Driver Driver
CH2 CH3
MONO IC
+ +
– –
Bias Circuit
10 13 14151617 19 18
Pre Driver
CH2
15
+
14
–
Bias Circuit
9 5 4 6 7 13
# 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.
81