Video Block Diagram (2) - JVC HM-DH40000K Service Manual

VIDEO BLOCK DIAGRAM ( 2 )
5 0
DIGITAL
I2C_DATA_A/V
8
I2C_CLK_A/V
9
Fsc
10
C_TO_DIGI
11
Y_TO_DIGI
12
Y_FROM_DIGI
13
C_FROM_DIGI
14
PB_COLOR
15
MAIN_ALC_DET
16
Y_TO_SUB
17
WIDE_DET
18
FRONT_Y_IN
19
FRONT_C_IN
20
FRONT_V_IN
21
REAR1_V_IN
22
Y_TO_AV
23
V_FROM_AV
24
REC_COLOR
25
J7194
3
S IN
1
3
Y
4
C
2
J7191
2
VIDEO IN
1
REAR2_C_IN
28
REAR2_Y_IN
29
REAR1_C_IN
30
REAR1_Y_IN
31
Note : For the waveforms in this block diagram, refer to page 2-56.
2-59
CN9301 CN7107
C_FROM_DIGI
15 2
Y_FROM_DIGI
4
13
Y_TO_DIGI
6
11
C_TO_DIGI
9 8
C
Y
Y
C
C
Y
Y
Y
C
6
JACK
CN7191 CN901
FRONT_Y_IN
9 3
FRONT_C_IN
11 1
FRONT_V_IN
6 6
TO TUNER
TU_VIDEO
V.PULSE
I2C_DATA_A/V
TO
I2C_CLK_A/V
SYSCON
SYNC_DET(L)
C.SYNC
WIDE_DET
C
Y
C
Y
0 3
MAIN (VIDEO, SYNC DET, TERMINAL)
Q12
BUF
SYNC
DET
Q251~Q253
C
Y
51
47
46
45
44
42
41
40
39
38
37
36
34
33
32
31
NOT
USED
30 29 28 27
WF2
Q21 BUF
BUF
26 25 23 22 21 20
NOT
USE
WF1
Q23
TO DIGITAL
(VIDEO)
CN9001
CN7
D-Y_OUT
Pb/Cb_OUT
Pr/Cr_OUT
C_OUT