
4
AG-520VDH
MAIN 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 AUDIO SIGNAL
PB AUDIO SIGNAL
AUDIO
MUTE(H)
(FROM IC6001(28))
AUDIO MUTE(H)
REC
EQL
PB
AMP
fH
TRAP
LINE
AMP
AGC
MUTE
MUTE
AGC
DET
Q4081
Q4082
Q4083
+5V
2
96
98
IC3001
6
79
74
73
I C
CONTROL
2
NORMAL AUDIO
NORMAL AUDIO
P4002
4
P4002
3
P4002
2
P4002
1
P4092
4
P4092
3
P4092
2
P4092
1
P4001
1
P4001
2
PIN
1
PIN
2
(TO/FROM IC6001(72))
I C SERIAL DATA
2
(FROM IC6001(71))
I C SERIAL CLOCK
2
TO/FROM Hi-Fi AUDIO SIGNAL
PATH BLOCK DIAGRAM
(FROM IC6001(16))
NORMAL AUDIO PB ON (L)
20 mV
0.5 ms
V1 40 mVp-p
0.2 V
0.5 ms
V1 0.2 Vp-p
0.5 V
0.5 ms
V1 0.5 Vp-p
AUDIO SIGNAL PATH BLOCK DIAGRAM
AUDIO SIGNAL PATH BLOCK DIAGRAM
AG-520VDH
68
Summary of Contents for AG520VDH - COMB. DVD/VCR/TV
Page 7: ...4 ABOUT LEAD FREE SOLDER PbF 7 AG 520VDH ...
Page 9: ...Fig 1 6 9 AG 520VDH ...
Page 16: ...5 1 14 WIRE AND LEAD POSITION DIAGRAM Fig 12 16 AG 520VDH ...
Page 18: ...5 2 MAINTENANCE CHART 18 AG 520VDH ...
Page 20: ...Fig D2 20 AG 520VDH ...
Page 21: ...Fig D3 21 AG 520VDH ...
Page 22: ...Fig D4 22 AG 520VDH ...
Page 35: ...7 4 TEST POINTS AND CONTROL LOCATION 35 AG 520VDH ...
Page 36: ...36 AG 520VDH ...
Page 60: ...AG 520VDH 60 ...
Page 78: ...AG 520VDH 78 ...
Page 79: ...11 EXPLODED VIEWS 11 1 MECHANISM SECTION AG 520VDH 79 ...
Page 80: ...11 2 DVD SECTION AG 520VDH 80 ...
Page 81: ...11 3 CHASSIS FRAME SECTION 1 AG 520VDH 81 ...
Page 82: ...11 4 CHASSIS FRAME SECTION 2 AG 520VDH 82 ...
Page 83: ...11 5 CHASSIS FRAME SECTION 3 AG 520VDH 83 ...
Page 84: ...11 6 PACKING PARTS AND ACCESORIES SECTION AG 520VDH 84 ...