Audio Block Diagram - Philips VR407/77 Service Manual

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4.18 AUDIO BLOCK DIAGRAM [VR407/77]
MAIN ( AUDIO )
0 3
5
TO
TUNER
TU AUDIO
4
J2
REAR OUT 4
AUDIO
1
J1
REAR IN
4
AUDIO
1
3
2
1
Note : For the waveforms in this block diagram , refer to page 4-25.
A
NOT
USED
WF2
WF1
53 63 62 61
DET
R
VCA P
REC
EQ
IC1
( VIDEO/N.AUDIO SIGNAL PROCESSOR )
B C D
78
A.MUTE
SP ON
95
FILTER
96
-
+
PRE AMP
97
REC ON +
98
EP ( LP ) ON
99
FILTER
WF3
4-33 4-34 E
TO
SYSCON
A.MUTE ( H )
N.REC ST ( H )
N.REC ( H )
POWER
Q2052-Q2055
SW
OSC
Q2051
FULL ERASE HEAD
CN2002
5
2
TRANS
6
1
T2051
1 2
A/C HEAD
CN2001 CN1
4 4
5
3
2 6
7
1
F G
F. ERASE
A. ERASE
REC/PB
H