Panasonic PV-L550 - Audio Block Diagram

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