Panasonic DMR-BS780EB, Руководство по обслуживанию

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S-9
S3.3. Analog Audio Block Diagram
TO
DIGITAL
BLOCK
SECTION
30 1
P58007 P3001
28 3
P58007 P3001
27 4
P58007 P3001
25 6
P58007 P3001
AV2
(EXT)
(TV)
AV1
AUDIO OUT Ch1(L)
AUDIO OUT Ch2(R)
AUDIO OUT Ch2(R)
AUDIO OUT Ch1(L)
(EXT)
AV2
1
3
(TV)
AV1
3
1
21 PIN JACK
JK3901
62
AV1 L OUT
59
58
AV1 R OUT
AV2 R OUT
AV2 L OUT
61
LPF
BUFF.
MUTE
LPF
BUFF.
MUTE
LPF
BUFF.
MUTE
MUTE
BUFF.
LPF
(SA1L)
(SA2L)
(SA2R)
AUDIO IN ch1(L)
AUDIO IN ch2(R)
AUDIO IN ch1(L)
AUDIO IN ch2(R)
21 PIN JACK
JK3901
6
2
6
2
AV2 LIN
55
AV2 RIN
50
AV1 LIN
AV1 RIN
A DAC L IN
A DAC R IN
56
51
d,e
Mute
b,c
a
(SA1R)
(AUDIO SIGNAL PROCESSOR)
IC3001
54
49
b,d,e
Mute
c
a
b,d,e
Mute
c
a
d,e
Mute
b,c
a
Bias
Bias
Bias
Bias
DMR-BS785EG/BS885EG
Analog Audio Block Diagram
SECTION
BLOCK
DIGITAL
FROM
29 2
22 9
3 3
OPTIEC
MIXROUT DM
MIXLOUT DM
PS+11.6V
FRONT R IN
FRONT L IN
A MUTE VCC
3
2
4
7
P3001 P58007
P3001 P58007
1 30
P3001 P58007
7 24
P3001 P58007
A/V OUTPUT JACK
JK3002
COAXIAL
AUDIO OUTPUT JACK
JK4801
OPTICAL DIGITAL AUDIO OUT JACK
JK4901
D4005
(DMR-BS885ONLY)
(DMR-BS785 ONLY)
Q4007
Q4006
Q4801
AMP
MUTE
MUTE
D4006
Q4009
Q4008
MUTE
MUTE
P58005 P6702
4 4
P58005 P6702
FRONT A/V INPUT JACK
JK3801
2 COAXIAL
Lch
Rch
(Lch)
(Rch)
:AUDIO PB SIGNAL
:AUDIO REC SIGNAL
GND
+5V
1
2
3
VCC
IN
2
3
+
-
1
6
5
+
-
7
IC4009
(AUDIO BUFFER)
2
3
+
-
1
6
5
+
-
7
IC4012
(AUDIO BUFFER)
SECTION
BLOCK
DIGITAL
FROM
SECTION
BLOCK
DIGITAL
TO
SECTION
BLOCK
DIGITAL
FROM
6