Audio Signal Path Block Diagram - Panasonic PV-D4733S-K Service Manual

AUDIO SIGNAL PATH BLOCK DIAGRAM

MAIN C.B.A.
UHF/VHF TUNER/TV DEMODULATOR UNIT
RF
AUDIO
AUDIO
OUT2 R-CH
AUDIO
OUT2 L-CH
AUDIO
IN1 R-CH
AUDIO
IN1 L-CH
AUDIO
OUT1 R-CH
AUDIO
OUT1 L-CH
OPERATION I
C.B.A.
P6501 P6301
AUDIO
IN 2 R-CH 3 3
P6501 P6301
AUDIO
IN 2 L-CH 5 5
NOT USED
Q4015 Q4016
DVD AUDIO P5001
FROM DVD II
R-CH 15
BLOCK
DIAGRAM
DVD AUDIO P5001
L-CH
13
V1
5.72 Vp-p
2 V 0.2 ms
C
P5001
FRONT L-CH
26
D
P5001
FRONT R-CH
28
E
P5001
SURROUND
L-CH 30
F
P5001
SURROUND
FROM DVD II
R-CH 32
BLOCK DIAGRAM
G
P5001
CENTER
34
H
P5001
SUB WOOFER
36
P1529
DIGITAL
AUDIO 1
SIF 14
1
IC4303
IC4304 (SW)
(OP AMP)
DVD
2 1 AMP 3
3 VCR
4
DVD
15 7 AMP 5
13 VCR
11
10 9
Q4304
(FROM IC6001(40))
DVD AUDIO SW(H)
Q4306
NOT USED
J4202
J4201
Q4012
DRIVE
Q4013 Q4014 Q4009
R4244
R4243
IC4301 IC4302
(OUTPUT SELECT) (OP.AMP)
(L-CH)
VCR
3
DVD 4 5 AMP 7
5
9
11
VCR
13
DVD 14 3 AMP 1
12
(R-CH)
(FROM IC6001(92))
DVD SELECT(H)
IC8504(OP AMP)
6 7
2 1
IC8505(OP AMP)
6 7
2 1
IC8506(OP AMP)
6 7
2 1
V1 3.0 Vp-p V1 3.0 Vp-p V1 1.8 Vp-p V1
C D E F
1 V 2 ms 1 V 2 ms 1 V 2 ms 1 V
J4901
FL4901
IC4201
4.5MHz
3 1 (Hi-Fi AUDIO SIGNAL PROCESS)
BPF
NOT USED
MTS/SAP
48 SIGNAL
PROCESS
MATRIX
A
TUNER
LINE1
(R-CH)
9
LINE2
10
DVD
1
61
MUTE
J4302 (R-CH) R
53
L
R
59 +
MUTE
J4301 (L-CH) L
57
L
TUNER
R
B
LINE1
14
LINE2
15
(L-CH)
DVD
3
AUDIO
A
MUTE(H)
36
V1 0.12 Vp-p V1 1.21 Vp-p
A B
50mV 0.5 ms 0.5 V 0.5 ms
IC3001
(AUDIO SIGNAL PROCESS)
71
AUDIO
MUTE(H)
AGC DET
LINE/TUNER
69
MUTE
AGC
PB
V1 0.14 Vp-p
V1 0.027 Vp-p
50 mV 0.5 ms
0.5 ms
20 mV
NOT USED
(WITH 5.1CH AUDIO) NOT USED
1.8 Vp-p 1.8 Vp-p 0.8 Vp-p
G V1 H V1 (FROM IC6001(56))
5.1ch AUDIO MUTE(H)
2 ms 1 V 2 ms 1 V 2 ms
REC AUDIO SIGNAL
(FROM IC6001(26)) 3.58MHz
(TO IC6001(82)) MTS MODE
D4210
(TO IC6001(20)) AUDIO DEFEAT(H)
(TO IC6001(29)) Hi-Fi PB(H)
56 45 28
ENV
DETECTOR
MUTE
AGC
CONTROL
DET
24
AGC REC
R-CH Hi-Fi AUDIO + 21
AMP AMP
SIGNAL PROCESS
22
R
Hi-Fi
TP4207
29
NORMAL L
30
NORMAL
Hi-Fi
L-CH Hi-Fi AUDIO
SIGNAL PROCESS
V1
I 2 C
CONTROL
62 42 43 27
2 V
(FROM IC6001(27)) Hi-Fi HEAD SW PULSE
(TO/FROM IC6001(17)) I 2 C SERIAL DATA
(FROM IC6001(18)) I 2 C SERIAL CLOCK
(FROM IC6001(22)) AUDIO MUTE(H)
(FROM IC6001(41)) SW MUTE(H)
87 88
I 2 C
V1 1.12 Vp-p
CONTROL
TP4002
f H
65
TRAP
0.5 V 10 µs
REC-ON
REC
61
AMP
PB
54 55 57
AMP
+5V
BIAS OSC
REC-OFF
T4101, Q4101
53 Q4001
J4801
Q4002
Q4003
IC4801
6 2
NOT USED
Q4004
DRIVE
Q4008 Q4011 Q4007 Q4010 Q4006 Q4005
PV-D4733S/PV-D4743/PV-D4743S/PV-D4743S-K
PB AUDIO SIGNAL
CYLINDER UNIT
P3501 PIN
7 7 Hi-Fi AUDIO
L HEAD
P3501 PIN
8 8 Hi-Fi AUDIO
R HEAD
P3501 PIN
9 9
5.16 Vp-p
10 ms
FULL ERASE HEAD
P4001 PIN
FULL
2 2
ERASE
P4001 PIN
HEAD
1 1
AUDIO CONTROL / ERASE
HEAD UNIT
P4002 P4092
2 2 AUDIO
HEAD
P4002 P4092
1 1
NOT USED
P4002 P4092
AUDIO
4 4
J4103
ERASE
P4002 P4092
HEAD
3 3
JK4801
(OPTICAL
DRIVE)
DIGITAL
AUDIO OUT
1
(OPTICAL)
3
FRONT L-CH
FRONT R-CH
SURROUND
L-CH
SURROUND
R-CH
CENTER
SUB WOOFER
AUDIO SIGNAL PATH BLOCK DIAGRAM