JVC DR-MV1SUC Service Manual page 53

VIDEO BLOCK DIAGRAM(1)
0 3 MAIN (VIDEO SW)
Q505
Y
BUF
FILTER
Q503
C
BUF
Y
IC501
( Y/C SWITCH )
NOT
+ NOT NOT
USED
USED USED
42 40 39 38 36 34 33 32
41
43
45
47
C
48
49
50
51
52
53
54
55
56
Y
1 2 4 5 6 7 8 9 10 11
3
SW5V
NOT
USED
WF3
WF1
WF2
C
Q506
Y
BUF
WF1 IC501-5
REC 1.0Vp-p
0.5V/20µsec/DIV
C
Y
Q504
BUF
NOT NOT
USED USED
31 30 29
28
NOT
USED
27
25
24
NOT
USED
23
FILTER FILTER
22
21
20
19
NOT
USED
18
NOT
USED
17
NOT
USED
16
15
NOT
USED
12 14
WF4
2-59 2-60
WF2 IC501-9 WF3 IC501-11 WF4 IC501-14
REC 1.0Vp-p REC 0.7Vp-p REC 1.0Vp-p
0.5V/20µsec/DIV 0.2V/20µsec/DIV 0.5V/20µsec/DIV
I2C_CLK2
I2C_DATA2
WIDE_DET2
GR_TU_VIDEO2
CN501
C
2
Y
4
SELD_V_IN
FRONT_V_IN
REAR_C_IN
C
REAR_Y_IN
Y
V_FROM_OSD
FRONT_C_IN
C
FRONT_Y_IN
Y
TO
SYSCON
TO
TUNER
Fsc
1
CTODIGI
2
YTODIGI
3
4
5
6
7
8
9
10