Panasonic DMR-BW500EF, Service Manual

Page: 64 / 114

S-9
S3.3. Analog Audio Block Diagram
59
AV4 L IN
REAR JACK
JK3001
AUDIO
AV4
L IN
AV4
R IN
5
6
1
2
AV4 R IN
51
P3801 P3001
1
P3801 P3001
3
4
2
P4901 P4801
1
DMR-BW500EF
Analog Audio
Block Diagram
OUT
(SA4L)
SELECT SWITCH
OUTPUT
AV2
(DECODER/EXT)
(TV)
AV1
1.0V
5V
2.3V
:PB SIGNAL :REC SIGNAL
IEC OUT
5
DIGITAL AUDIO OUT
JK4801
Q4801
P.C.B.
DIGITAL
FROM
P58001 P3005
1
AADC L
AADC R
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)
BUFFER
(COAXIAL)
1
3
7
5
P.C.B. DIGITAL
TO
P3003
4
P58002
P3003 P58002
6
P3005 P58001
15
P58006 P6703
8
P3005 P58001
16
P58006 P6703
9
(DECEODER/EXT)
AV2
1
3
(TV)
AV1
3
1
21 PIN JACK
JK3901
LOGIC
IIC BUS
SDA
89
88
SCL
SECTION
TIMER
FROM
31 IC7501-
IIC DATA
32
IC7501-
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
LPF
BUFF.
MUTE
d
c
b
a
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 FRONT L IN (FRONT)
AV3
FRONT INPUT JACK
JK3801
AUDIO
(Lch/MONO)
LINE
(Rch)
LINE
3
4
5
6
7
d
c
b
a
(SA4R)
SELECT SWITCH
OUTPUT
AV3 Rch FRONT R IN
50
(SA18R)
BUFF.
e
d
c
b
a
(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 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
Q4008
D4006 Q4009
MUTE
MUTE
D4005
Q4007
Q4006
MUTE
MUTE
(BUFFER)
IC4009
6 7
1 2
MIX L OUT DM
MIX R OUT DM
P.C.B. DIGITAL
FROM
P58002 P3003
8
10
P3003 P58002
AV IO P.C.B.
AV4
TUN
AV4
TUN
(REAR)
AV4
P58002 P3003
14
2
1
2 ,IC4002-
EXT CTL
33 EXT CTL3
3 IC3004-
SECTION
POWER SUPPLY
TO