FUNAI A8C70EP - Page 23

7-4
Audio-2 Block Diagram
A8C70BLA2
DIGITAL MAIN CBA UNIT
AUDIO SIGNAL
14
IC801 (AUDIO AMP)
7
VOLUME
11
AMP AMP
(R-CH)
(L-CH)
2
Q805
+9V
WF1
6 1
AMP MUTE
JK801 HEADPHONE JACK
SP451 SPEAKER R-CH
CN451
CL451
SP(R) 1
SP-GND
2
SP802 SPEAKER L-CH
CN802 CL802
SP(L) 1
SP-GND
2
MAIN CBA
MUTE /STANDBY CONTROL
IC802 (AUDIO D/A CONVERTER)
D/A CONVERTER
(L-CH) (R-CH)
15 14
5 6 7 8
ACLK14 12 A DATA13 13 BCLK12 14 LRCLK11 15
CN101ACN3701
AMP-MUTE917
ACLK BCLK LRCLK A DATA
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
AMP-MUTE
TO SYSTEM CONTROL BLOCK DIAGRAM
JUNCTION CBA
SP(R)13 13SP(R)13 13
CN404ACN105A
CN404B
CL404
INVERTER CBA
Q802
SWITCHING