Audio Output Amplifier (For Rear Sp) - Toshiba CN27E90 Technical Training Manual

16. AUDIO OUTPUT AMPLIFIER (For Rear SP)

The audio amplifier develops 5.0W two circuit.
R640
6.8K
Rear INPUT
R641
1.8K
R647
22K
Mute
C649
2.2m50V
R644
100K
C646
100m 25V
C641
C647
2.2m 50V
1000P
C645
47m25V
Q641
2SC2878A
4
Ripple Filter
2
1
3 Pre GND
Q640 TA8213K
Fig. 15-18
123
Vcc
C650
1000m35V
7
Vcc
C652
470m 35V
6
R685
2.2W
C655
0.12m
PW-GND
5
R660
1.5W(5W)
SURROUND
SPEAKER
TERMINAL