Video Block Diagram - JVC HR-S5900AM Service Manual

4.22

VIDEO BLOCK DIAGRAM

0 6 TERMINAL(S-SUB)
C
+
42 41 40 39 38
CR
CLK DATA
ADJ
IIC LOGIC
PRE LPF
PB DIGI/PB
43
CLAMP
REC
PRE LPF DIGI
ATT
DIGI/PB
EXT PB Y
45
PRE LPF DIGI
47
C C
PRE LPF
48 EXT PB C
C
PB REC
EXT PB C
49
50
NOT
USED
51
CLAMP ATT
52
53
GCL
V5
COMP IN
REC
54
Y AGC
V3/V4
Y/C IN
PB
AGC DET
S.SEP
56
Y
Y
Y1 Y3
Y2
ATT ATT
IC501
( Y/C )
SWITCH 1 2 5
3 4
NOT
USED
NOT
USED
Y
C
C
Y
Y
Y
C
NOT
USED
36 34 33 32 31 30 29
SP/EP(LP)
EE/PB
VHS
CLAMP
S-VHS
CONV
REC 28
PB
REC PB
CONV
REC
27
PB*CONV N/S-LPF
CLAMP
EQ
PB REC
Y
25
CLAMP
CONV
CONV 24
NOT
VCA
USED
REC
PB*CONV
23
FILTER FILTER
21
N.C.
ATT
CLAMP
REC PB
TRAP
20
19
V FBC V MUTE
BB
PB*D15
C.K. D7&D8 18
NOT
BB BIAS
BB
USED
V4
17
BB C
C MUTE
V3
C1 C3 D16
C2
Y FBC
15
Y
Y MUTE
S1/S2 DET
ATT ATT ATT
6 8
7 9 10 11 12 14
NOT
NOT
USED
USED
IC1201 ( MIX )
Y/C SEP &
0 5 2D DIGITAL
34
IIC_DATA
35
IIC_CLK
REC
41
COUT
BPF BUF
PS com/CNR
Q1202
PB
REC
44
3L COMB YOUT
LPF BUF
Y COMB
PB Q1203
REC PB
40 VR1201
VREF
D/A LEVEL ADJ
19 10 5
Q1205
Y
BUF
Q1206
C C
BPF BUF
IC502
( SWITCH )
S-VHS & SVHS-ET
1
18
EQ
SP
2 17
SP
EE(L) EQ
16
REC PB
5 NON LINEAR 12
PROCESSOR
PB
6
11
EQ
SP
REC
10
SP
EQ
4-41 4-42
CN1201
I2C_DATA_A/V
12 1
I2C_CLK_A/V
2
11
C_FROM_DIGI
C
9 3
Y_FROM_DIGI
Y
7 4
V/Y_TO_DIGI
Y
5
5
C_TO_DIGI
3 6
Fsc
1 7
CN911
I2C_DATA
2 8
I2C_CLK
1 9
Y Y_TO_AV
5 10
V_FROM_AV
Y
7 11
REC_COLOR
C
9
12
CN915
Fsc
1 13
C_TO_DIGI
C
9 14
Y Y/V_TO_DIGI
7 15
Y_FROM_DIGI
Y
5 16
C_FROM_DIGI
C
3 17
CN912
V_FROM_OSD
12 18
C PB_COLOR
1 19
MAIN_ALC_DET
4 20
Y_TO_SUB
Y
5 21
P.MUTE(L)
6 22
FRONT_V_IN
7 23
V_TO_OSD
9 24
CHARA_DATA
10 25
FRONT_C_IN
26
FRONT_Y_IN
27
REAR_V_IN
28
V_FROM_OSD
29
C_OUT
C
30
Y_OUT
Y
31
C REAR2_C_IN
32
REAR2_Y_IN
Y
33