Audio Block Diagram - Panasonic DMR-E75VP Service Manual

21.5. Audio Block Diagram

IC7301
(AUDIO DECODER)
TU7401
U/V TUNER
FL4562
DEMODULATOR DECODER
SIF OUT 22 1 3 21
BLOCK BLOCK
I2C5DT
TO/FROM 24
IC6701- 138
IIC BUS
DIGITAL
INTERFACE
I2C5CK
P.C.B. 27
IC6701-
137
JK3901
L1
(REAR JACK)
IN
24
(R)
IN
20
(L)
JK4801
L2
(FRONT JACK)
IN PP4801 PS33001
3
(R) 5 8
2
IN L/ PP4801 PS33001
5
MONO 7 6
IIC CLOCK
TO/FROM IC6001-
71
SYSTEM
IIC DATA
CONTROL
IC6001-
72
P4501 PS43001
14
P4501 PS43001
13
P4501 PS43001
5
P4501 PS43001
4
P4501 PS43001
10
P4501 PS43001
11
I2C5CK
TO/FROM
IC6701- 137
DIGITAL
I2C5DT
P.C.B.
IC6701- 138
P9001 P39702 P31903 P6003 P4502 PS43002
58 6 5
FROM
DIGITAL
P.C.B.
P9001 P39702 P31903 P6003 P4502 PS43002
62 7 7
IC4501
(AUDIO PROCESSOR)
DECODER
R
R
29 8
DECODER
L L
30 13
INPUT
AGC
SELECT
&
SWITCH
SWITCH
RCH
L1 IN R
9
DVD R
63
L1 IN L
14
PNR L CH
INPUT
L2 IN R
SELECT
10
SWITCH
LCH
AGC
L2 IN L
15 &
SWITCH
DVD L
64
FM MODULATOR/
DEMODULATOR
42
IIC BUS
INTERFACE
43
IC44001
(AUDIO BUFFER & SELECTOR SWITCH)
TUNER IN R
3
INPUT
SELECTOR
SWITCH
TUNER IN L
2
R CH
AGC
L1 IN R
12
L1 IN L
11
L CH
L2 IN R
AGC
31
L2 IN L
32
20
IIC BUS
INTERFACE
21
MIX R DM
26
MIX L DM
25
DVD AUDIO SIGNAL AUDIO MAIN SIGNAL PATH IN REC MODE
IC3001
(AUDIO PROCESSOR)
R
NORMAL
SELECT 61 2
SWITCH
P
62 6
OUTPUT
SELECT
SWITCH
R CH
53
OUTPUT
SELECT
57
SWITCH
L CH
QR4302
RCH
MUTE
PNR R CH
QR4303
LCH
MUTE
FM MODULATOR/
DEMODULATOR
QR4304
SW NOISE SW NOISE
MUTE
DRIVE
LPF BPF
VCO
45
FO
BPF 30
FM MIX
TW4501
+
LPF AGC 21
MUTE
36
CTL
HOLD
27
TIMING
PREAMP &
29
SWITCH
24
22
10
9
28
29
QR34001
FROM
POWER & XTMUTE MUTE
2 1
DIGITAL IC37501- 20 DRIVE
I/F P.C.B.
QR34002
FROM
XDMUTE P9001 P39702 MUTE
DIGITAL 2 1
IC4403- 4 70 DRIVE
P.C.B.
27
24
71
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
Q4001, L :ON IC6001-
QR4801
Q4002 D.REC
MUTE A+5V
REC P4002
VCA 98 A.HEAD(R)
EQ. 4
P4002
fh PRE
96
TRAP AMP
3
IC4301 IC4302
(VTR/DVD SELECTOR SW) (BUFFER)
L
14 LINE OUT R
13 5 7
H
12
L
5 LINE OUT L
3 3 1
H
1
QR3952
10
L MUTE
QR3951 QR3953
MUTE
MUTE
DRIVE
COM MUTE COMMON MUTE
IC6001-
Q3001
FSC
ENVE
TW4502
QR4301
INV.
AUDIO HEAD SW
IC6001-
P3001
7
P3001
8
P3001
9
VHS R PS43002 P4502
2
VHS L PS43002 P4502
1
ADC R
PS43001 P4501 P6002 P31902
16 18
ADC L
PS43001 P4501 P6002 P31902
17 19
L OUT MUTE L P31903 P6003
11
X SW5.8V
QR3701
L OUT
D3701
Q3701
MUTE
Q3702
MUTE
DVD R PS43003 P4503
3
DVD L PS43003 P4503
DMR-E75VP
4
Audio Block Diagram
DMR-E75VP
20
H
TO/FROM
A/C HEAD
A.HEAD(W)
JK3902
REAR OUTPUT JACK
VHS/DVD
COMMON OUT
OUT
22
(R)
LINE
OUT
18
(L)
H
73
FROM
FSC
VIDEO
IC3001- 63
SECTION
DVD OUT H
IC6001- 1
FM MUTE H
FROM
IC6001- 28
SYSTEM
H CONTROL
SECTION
19
D.FM REC H
IC6001- 20
L
Hi-Fi
AUDIO
HEAD
R
P39702 P9001
48
TO
DIGITAL
P.C.B.
P39702 P9001
50
JK3902
REAR OUTPUT JACK
DVD
OUT
24
(R)
OUT
20
(L)