Panasonic Omnivision PV-9661 Service Manual page 301

PV-9661 / PV-9662
7.8. MAIN VI (ADVANCE) SCHEMATIC DIAGRAM (B)
REC VIDEO SIGNAL PB VIDEO SIGNAL
5
BLACK V-DET(L) 17
TO MAIN I
VIDEO 102
TO MAIN II
CUE/REV/SS(L) 103
4
3
104
SW +5V(VIDEO)
TO MAIN II
2
AUDIO
105
PB AUDIO 92
1
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/10W.
A A A
REC AUDIO SIGNAL PB AUDIO SIGNAL
TP3802
WF41
C3822
1/50V
C3826
0.47
36 35 34 33 32 31
V-REF
GND
CLAMP
CLAMP
LPF
H-MASK
V/H SYNC
DELAY
IC3801
SEPARATION
AN3275SB
H-MASK
SYNC
WIDTH
DETECTOR
CONTROL
CA
LPF BLACK AUDIO
MA
DETECTOR
AMP
VCC
1 2 3 4 5 6
L3801 100
C3801
100/6.3V
TP3804
WF43 Z
Z
B C D
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
Z
TP3805
30 29 28 27 26 25 24 23 22 21 20
MA
CA
BLACK VIDEO VIDEO COUN
AMP
DETECTOR LATCH TER
V-SYNC V-MASK
SEPARATION DELAY
V-MASK
WIDTH
CONTROL
AUDIO COUN
LATCH TER
ENVELOPE DETECTOR
MIX
CA
MA
AUDIO DC
7 8 9 10 11 12 13 14 15 16 17
Z
Z
C3811
C3810
0.01
WF42
TP3801 TP3803 R3807
39K
Z
E F
52
COMPARISON CHART
OF MODELS & MARKS
MODEL MARK
PV-9661 A
PV-9662 B
Not Used Z
19
VIDEO
DETECT
18
C3812
1000P
C3828
100P
106 HEAD AMP SW
TO MAIN II
50
E/V MASK(H)
TO MAIN I
18 BLACK A-DET(L)
MAIN C.B.A.
VJBS6055
G
H
COMPARISON CHART
OF MODELS & MARKS
MODEL MARK
PV-9661 A
PV-9662 B