JVC HR-S6700MS Service Manual page 95

4.31 VIDEO BLOCK DIAGRAM
8 7 P/S CONVERTER
TP3502
VR3505
R-Y
Q3541-
IC3506 R-Y LEVEL IC3503 IC3502
ADJ
Q3543
FL3506
1
11 16 1
R-Y AMP R-Y R-Y R-Y
15
C IN
14 3
14 12
B-Y B-Y B-Y
C OUT
3 <ANTI-BELL>
B-Y MULTI
AMP
COLOR
DL
DECODER
PAL CONV'DCOLOR
Q3544-
ENCODER VR3506
5
Q3546
B-Y LEVEL TP3501
ADJ B-Y
Q3512-
FL3503 FL3502 FL3501
Q3515 Q3514 Q3511 Q3507
EQ AMP EQ EQ
Q3508-
Q3540
Q3510 FL3505
AMP LPF BUF
1 5 S-SUB
4
+
42 41 40 39 38
CR
CLK DATA
ADJ
IIC LOGIC
PRE LPF
3
PB
43 DIGI/PB
CLAMP
REC
PRE LPF ATT DIGI
DIGI/PB
EXT PB Y
45
PRE LPF DIGI
47
PRE LPF
48 EXT PB C
PB REC
EXT PB C
49
50
51
CLAMP ATT
2
52
53
GCL
V5
COMP IN
REC
54
AGC
V3/V4
Y/C IN
PB
AGC DET
56 S.SEP
Y1 Y3
Y2
ATT ATT
IC501
( Y/CSWITCH ) 1 2 3 4 5
1
A B
IC1201 ( Y/CSEP&MIX )
PS com/CNR
Q3525
BUF
TP3504
CN3502
3L COMB
TO PS C
7
Y COMB
FROM PS C
5
REC PB
Q3504- TO PS Y
Q3506 3
FROM PS Y
AMP
1
19 10 5
Q1204
C1238
BPF
3 5 7 9
CN513
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
25
CLAMP
CONV
CONV 24
VCA
REC
PB*CONV
23
FILTER FILTER
C504,R503
21
N.C.
ATT
PB CLAMP
REC
TRAP
20
19
V MUTE
V FBC
BB
PB*D15
C.K.
D7&D8 18
NOT
BB BIAS
BB
USED
V4
17
BB
C MUTE
V3
C3 D16
C1
C2
Y FBC
15
Y MUTE
S1/S2 DET
ATT ATT ATT
6 7 8 9 10 11 12 14
NOT
USED
C
2D DIGITAL
0 5
( HR-S6700MS )
34
IIC DATA
35
IIC CLK
REC
41
COUT
BPF BUF
PB L1205 Q1202
C1222,C1223
R1213,R1214
REC
44
YOUT
CN1201
LPF BUF
D.FF
15
NOT
PB V.REF
L1206
Q1203 USED
14
C1225,C1226
I2C DATA A/V
12
R1216,R1217
I2C CLK A/V
11
C FROM DIGI
9
Y FROM DIGI
7
EE(L)
, L1208 NOT
Q1205
6
Q1206 USED
, C1245 V/Y TO DIGI
BUF
5
C TO DIGI
BUF
3
Fsc
1
IC502
( S-VHS&SVHS-ETSWITCH )
R504,R506,R507
C524,C526
1 18
EQ
SP
R505,R508,R509
C525,C527
2 17
SP
( ) L
EE EQ
16
PB
REC
12
5 NON LINEAR
PROCESSOR
R511,R512,R515
PB C529,C532
6
11
EQ
SP
REC
R513,R514
C530,C531
10
SP
EQ
D E
4-59 4-60
3D DIGITAL/2M
IC1401 ( Y/CSEP&MIX )
0 5
( HR-S7700MS )
7
DFFI
8
VR
11
SDATA
12
SCLK
REC
17
COUT
BPF BUF
PScom/CNR
Q1402
Q1403
PB
C1407,C1408
L1402,R1406
REC
19
3LCOMB YOUT
LPF BUF
1
YCOMB
PB Q1407 Q1406
2
C1412,C1413
REC PB
3 L1403,R1413
4
5 Q1404
6 Q1408 Q1414
31 29 24 , L1404 Q1418,Q1420
Q1410
7
SW
Q1417
C1421 , C1422
8 BUF
9 BPF BUF
10
CN511
1
2
3
4
9
10
11
12
13
14
15
16
17
18
20
21
22
23
25
26
27
29
30
CN512
2
4
6
8
10
12
14
F
CN1401
D.FF
15 1
V.REF
14 2
I2C_DATA_A/V
12 3
I2C_CLK_A/V
11 4
C_FROM_DIGI
9 5
Y_FROM_DIGI
6
7
EE(L)
7
6
V/Y_TO_DIGI
8
5
C_TO_DIGI
9
3
Fsc
10
1
EE(L)
11
I2C_DATA_A/V
12
I2C_CLK_A/V
13
Fsc
14
C_TO_DIGI
15
V/Y_TO_DIGI
16
Y_FROM_DIGI
17
C_FROM_DIGI
18
PB_COLOR
19
V.PULSE
20
SECAM PB COLOR
21
MAIN_ALC_DET
22
Y_TO_SUB
23
P.MUTE(L)
24
FRONT_Y_IN
25
FRONT_C_IN
26
FRONT_ V_IN
27
REAR2_V_IN
28
V_TO_OSD
29
CHARA_DATA
30
Y_TO_AV
31
V_FROM_AV
32
REC_COLOR
33
V_FROM_OSD
34
C_OUT
35
Y_OUT
36
REAR2_C_IN
37
REAR2_Y_IN
38
REAR1_C_IN
39
REAR1_Y_IN
40
G H