Yamaha YHT-196 Service Manual page 83

A B C
MAIN 1/2
1
SURROUND L
2 Page 77 F2
to DIGITAL_CB222
to MAIN 2/2
to MAIN 2/2
CB1
3
SUBWOOFER
4
5
CENTER
6
to MAIN 2/2
7
FRONT L
8
9
10
D E F
Note:
IC2
IC1
G H I
MAIN (1)
SUBWOOFER
SUBWOOFER
SPEAKERS
SURROUND
L/R
SURROUND L
W1
Page 81 B4
to OPERATION (5)_CB166
FRONT L
CENTER
CENTER
SPEAKERS
FRONT
L/R
CB2
Page 82 B10
to OPERATION (2)_CB134
Notes:
Safety measures
5 k-ohms
10 W
5 k-ohms
10 W
J K L
IC1, 2: STK433-330N-E
3-channel AF power amplifier, stand-by circuit built-in
3
8
Pre Pre
Driver Driver
CH1 CH2
+
11
–
12
Stand-by Circuit
1
2
SUB
9 5 4 6 7 10 13
IC1, 2: STK433-330F-E
3-channel AF power amplifier, stand-by circuit built-in
3
8
Pre Pre
Driver Driver
CH1 CH2
+
11
–
12
Stand-by Circuit
1
2
SUB
9 5 4 6 7 10 13
MAIN (2)
R model
to POWER TRANSFORMER
CB51
VOLTAGE
SELECTOR
MAIN (3)
CB3
to POWER TRANSFORMER
★ Components having special characteristics are marked
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
M N
HTR-2064/NS-B20/NS-C20/NS-SWP20
Pre
Driver
CH3
+ +
– –
14 15 16 17 19 18
Pre
Driver
CH3
+ +
– –
14 15 16 17 19 18
and must be replaced
83