Audio Block Diagram - Panasonic Quasar PV-D300 Service Manual

10.5. AUDIO BLOCK DIAGRAM

MAIN C.B.A.
Q4011 TP4004
REG
+4.5V
Q4007
AUDIO
FADE
CONTROL
(WITH FADE)
MIC/IR UNIT
MIC
R4022
FP11
8
12
(WITHOUT
FADE)
NOT USED
TP4003
TP4002
FP1
10
AUDIO HEAD
FP1
8
Q4003
Q4004
Q4008
T4001
Q4010
FP1
BIAS
7 OSC
AUDIO ERASE
HEAD
FP1
Q4009
6
FP1
4
CONTROL ERASE
HEAD
FP1
5
REC AUDIO SIGNAL
IC4001 (AUDIO REC/PB PROCESS)
6
ALC
DET
REC
MUTE-OFF
31
LINE
ALC 9
AMP
32
PB
30
REC-ON
28
SLP-ON
PB
AMP
26
24
(FROM IC605 (7))
SP VOLUME CONTROL
(FROM IC6001 (32))
25 23
SLP-ON
(FROM IC6001 (17))
SPEAKER ON(H)
REC
12
AMP
14
SLP-ON
16
PB-ON
10 11 15 13 8
(FROM IC3001(65))
AUDIO FADE CONTROL
REG +4.5V
(FROM IC3001(4))
Q4002
SLP(H)
(FROM IC3001(3))
AUDIO EE(H)
(FROM IC6001(56))
AUDIO MUTE(H)
(FROM IC6001(29))
AUDIO REC(H)
(FROM IC6001(44))
AUDIO RESET(L)
(FROM IC6001(28))
REG +4.5V
AUDIO DELAY REC(H)
PB AUDIO SIGNAL
BATTERY CATCHER UNIT
IC4301 (AUDIO AMP)
B2 B1
2 EVR
15 15
4 EVR
1
B2 B1
13 13
B2 B1
LCD PB(L) 16 16
B2 B1
12 12
IC4302 (AUDIO AMP)
3 EVR
B2 B1
6 6
FROM
VIDEO
BLOCK DIAGRAM
TO/FROM
SYSTEM CONTROL
BLOCK DIAGRAM
115
PV-D300 / VM-D100 / PV-L550 / PV-L600 / PV-L650 / VM-L450
+3.3V
12
19 7 14
18
13
10
Q4302
NOT USED
11
12
9 6
JK4401
EARPHONE JACK
5
4
3
2
1
+
SPEAKER
-
JK1201
AUDIO
OUT