Panasonic PV-DF204

4
PV-DF204/PV-DF2004/PV-DF2004-K/PV-DF274/PV-DF2704/PV-DF2704-K
MAIN C.B.A.AUDIO C.B.A.
(AUDIO PROCESS)
AUDIO CONTROL HEAD UNIT
AUDIO
HEAD
PB
REC
BIAS OSC
T4101,
Q4101
AUDIO
ERASE
HEAD
FULL
ERASE HEAD
FULL ERASE HEAD UNIT
REC-ON
REC AUDIO SIGNAL PB AUDIO SIGNAL
AUDIO
MUTE(H)
(FROM IC6001(28))
AUDIO MUTE(H)
MUTE
REC
AMP
PB
AMP
LINE
AMP
AGC
AGC
DET
REC-OFF
Q4001
Q4002
Q4003
Q4103
+5V
73
60
65
IC3001
69 75
57 58
87
I C
CONTROL
2
NORMAL AUDIO
NORMAL AUDIO
P4002
4
P4002
3
P4001
1
P4001
2
P4092
4
P4092
3
P4092
1
P4092
2
P4001
1
P4001
2
PIN
1
PIN
2
56
(TO/FROM IC6001(72))
I C SERIAL DATA
2
(FROM IC6001(71))
I C SERIAL CLOCK
2
15.75kHz
TRAP
PIN
28
P4206
26
PIN
26
P4205
17
PIN
17
(FROM IC6001(20))
DVD AUDIO(H)
FL4051
TO/FROM Hi-Fi AUDIO SIGNAL
PATH BLOCK DIAGRAM
P4206
28
Hi-Fi MUTE(H)
20 mV 0.5 ms
V1 40 mVp-p
0.2 V 0.5 ms
V1 0.2 Vp-p
20 mV 0.5 ms
V1 48 mVp-p
0.5 V 0.5 ms
V1 0.5 Vp-p
AUDIO SIGNAL PATH BLOCK DIAGRAM
AUDIO SIGNAL PATH BLOCK DIAGRAM