S3.4. Analog Audio Block Diagram - Panasonic DMR-BS750EG Service Manual

S3.4. Analog Audio Block Diagram

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