Service manual

9-4
IC2701
(INPUT SELECT)
AUDIO(L)-IN1 AUDIO(R)-IN1 JK2704 JK2705 COMPONENT AUDIO(L)-IN COMPONENT AUDIO(R)-IN
HDMI- AUDIO(L)-IN HDMI- AUDIO(R)-IN
JK2720 JK2721 JK2710 JK2711
14 16
28 27
18 15 17 19
AUDIO INPUT SELECTOR
AUDIO(L)-OUT AUDIO(R)-OUT
JK2801 JK2802
24 25
AUDIO(L)-IN2 AUDIO(R)-IN2 JK2708 JK2709
CN3702CN2103
AUDIO(L)20 20 AUDIO(R)22 22
JACK CBA
AUDIO(L)
AUDIO(R)
DIGITAL MAIN CBA UNIT
WF4
34
IC2801 (AUDIO AMP)
IC2802 (OP AMP)
32
7 1
5 3
19
39,40 11,12
CONTROL LOGIC
CN2801CL2801
SP2801 SPEAKER L-CH
CN2802
SP(R)-
1
CL2802
SP2802 SPEAKER R-CH
PWM GENE. PWM GENE.
IC3503 (AUDIO D/A CONVERTER)
IC3501 (AUDIO DSP)
D/A CONVERTER
DSP
(L-CH) (R-CH)
15 14
5 6 7 8
37 34 33 36 35
39
3 4
40
2
IC3502 (AUDIO D/A CONVERTER)
D/A CONVERTER
(L-CH) (R-CH)
15 14
5 6 7 8
CN2103 CN3702
CN2103 CN3702
AUDIO-MUTE
1414
JK2701 DIGITAL AUDIO-OUT (COAXIAL)
Q2701
BUFFER
Q2804,Q2805
DRIVE
Q2801
MUTE
SPDIF
22
AUDIO(L)-OUT
44
AUDIO(R)-OUT
66
AMP(L)-OUT
2626
AMP(R)-OUT
2828
SP(R)+
2
SP(L)-
1
SP(L)+
2
ACLK
A DATA 0
BCLK
LRCLK
A DATA 1
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
AUDIO-MUTE
TO SYSTEM CONTROL BLOCK DIAGRAM
Q2803
Q2802
MUTE
SPDIF
AUDIO SIGNAL
Audio Block Diagram
FL10.5BLA