Service manual

7-4
Audio-2 Block Diagram
A8AF1BLA2
48 50
IC801 (AUDIO POWER AMP)
2
51
8,9
18,19 44,45 34,35
MUTE/STANDBY CONTROL
CN801
CL801
SP801 SPEAKER L-CH
CN802
SP(R)-1
CL802
SP802 SPEAKER R-CH
IC702 (AMP)
3 2
1
5 6
7
-1
PWM GEN.
PWM GEN.
IC701 (AUDIO D/A CONVERTER)
D/A CONVERTER
(L-CH) (R-CH)
15 14
5 6 7 8
P-ON+9V
ACLK17 7 A DATA16 8 BCLK15 9 LRCLK14 10
CN302CN3701
AMP-MUTE12 12
JK7715
DIGITAL AUDIO-OUT (COAXIAL)
Q7201
BUFFER
SPDIF18 6
RESET20 4
SP(R)+2
SP(L)-1
SP(L)+2
ACLK BCLK LRCLK A DATA SPDIF RESET
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
AMP-MUTE
DIGITAL MAIN CBA UNIT POWER SUPPLY CBA
AUDIO SIGNAL
TO SYSTEM CONTROL BLOCK DIAGRAM
P-ON+5V
TO POWER SUPPLY BLOCK DIAGRAM
RESET