Panasonic DMR-BS750EG, Руководство по обслуживанию

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S-10
S3.4. Analog Audio Block Diagram
59
AV4 L IN
AV4 R IN
51
DMR-BS750EG,BS850EG
Analog Audio
Block Diagram
OUT
(SA4L)
SELECT SWITCH
OUTPUT
AV2
(DECODER/EXT)
1.0V
5V
2.3V
:PB SIGNAL :REC SIGNAL
IEC OUT
1
DIGITAL AUDIO OUT
JK4901
P.C.B.
DIGITAL
FROM
P58007 P3003
50 1
P58007 P3003
26 25
P58007 P3003
38 13
AUDIO OUT Ch1(L)
AUDIO OUT Ch2(R)
AUDIO OUT Ch2(R)
AUDIO OUT Ch1(L)
REAR JACK
JK3001
(R)
LINE OUT
(L)
LINE OUT
(OPTINAL)
1
2
3
(BUFFER)
IC4009
2 1
P58007 P3003
40 11
6 7
5
DIGITAL AUDIO OUT
JK4801
(COAXIAL)
1
2
P3003 P58007
7
P3003 P58007
8
44
43
(DECEODER/EXT)
AV2
1
3
(TV)
AV1
3
1
21 PIN JACK
JK3901
LOGIC
IIC BUS
SDA
89
88
SCL
SECTION
TIMER
FROM
33 IC59501-
IIC DATA
34 IC59501-
IIC CLK
71
AV1 Lch
78
ADC Lch
73
AV2 Lch
74
AV2 Rch
79
ADC Rch
AV1 Rch
72
LPF
BUFF.
MUTE
AGC
AMP
ADC Lch
LPF
BUFF.
MUTE
BUFFER
Q4801
LPF
BUFF.
MUTE
d
c
b
a
MUTE
MUTE
BUFF.
LPF
AMP
ADC Rch
AGC
(SA18L)
BUFF.
e
d
c
b
a
(SA1L)
e
d
c
b
a
(SA3L)
e
d
c
b
a
(SA2L)
58
AV3 Lch
d
c
b
a
(SA4R)
SELECT SWITCH
OUTPUT
AV3 Rch
Q4006 D4005
(DMR-BS850EG ONLY)
(DMR-BS750EG ONLY)
50
(SA18R)
BUFF.
e
d
c
b
a
(SA2R)
AUDIO IN ch1(L)
AUDIO IN ch2(R)
AUV2 L IN
MIX R OUT DM
MIX L OUT DM
AUV2 R IN
21 PIN JACK
JK3901
6
2
AV2 Lch
61
AV2 Rch
53
AV1 Lch
AV1 Rch
DAC Lch
DAC Rch
60
52
e
d
c
b
a
(SA3R)
e
d
c
b
a
(SA1R)
(AUDIO SIGNAL PROCESSOR)
IC3001
64
56
P.C.B. DIGITAL
TO
P.C.B. DIGITAL
FROM
P58007 P3003
36
34
15
17
P3003 P58007
AV IO P.C.B.
AV4
TUN
AV4
TUN
MUTE
Q4007
MUTE
Q4009 D4006
MUTE
Q4008