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Hitachi VTMX900ECT Wartungshandbuch Seite 113

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Video Signal Processing (VS)
1
2
3
AH2
AHC
AH1
A
for 4/2 Head only
1911
F1111
for mono only
11
F1110
B
1912
10
F1109
9
9
F1108
8
8
F1107
7
7
F1106
to Rotating
6
6
F1105
5
5
Trafo
F1104
4
4
F1103
C
3
3
F1102
2
2
F1101
1
1
D
E
TRIV
F
F017
ENVC
G
H
C002
..
OSCILLOGRAMS
..V MEASURED IN PLAYBACK MODE
C001
I
..V MEASURED IN RECORD MODE
GNDVS
GNDVIO
1
2
3
4
5
6
87
3001
1K5
GNDVS
F083
5V
I045
4.9V
3.2V
for SECAM only
3.9V
2007
5VA
GNDVS
GNDVS
1.8V
3.4V
0.8V
0.8V
0.8V
0V
3.9V
2.5V
3.2V
84
83
82
0.8V
81
74
73
72
85
REC_H
2020
86
10u
5.1V
5V
2021
REC_H
87
RF_SW
100n
HPLL
1.9V
BPF
4.2V
88
1.9V
NAP
4.1V
HA_SW
89
KIL
1.9V
4.1V
B.D.
90
2V
4.2V
ENV
91
DET
0.3V
REC_FM
1.7V
I054
2027
92
AGC2
REC_FM
AGC_DET
1u
+
3.1V
GNDVS
F016
93
COMP_OUT
0.3V
0.5V
94
SVHS:OPEN
FM
REC
REC
FM
W.D.
AGC
FM EQ
FM_AGC1
MOD
CLIP
P
R
GNDVS
REC:EE-AGC_TC1
PB-EQ
PB:M.C.BALANCER
70
MTA/CROT
RF_HA_SW
Y_VCC
10
11
12
13
14
15
16
7004-B
0.7V
1.8V
1.5V
0.8V
2.6V
2.3
LA71595M
5V
1.4V
1.4V
5VA
71
47
GNDVS
GNDVS
GNDVS
2042
GNDVS
GNDVS
5V
100n
GNDVS
4.1V
1.7V
I048
3021
1.7V
150R
1V
7003
BFS20
73
GNDVS
GNDVS
GNDVS
4
5
6
3-31
3-31
7
8
9
10
5.1V
I001
7005
GNDVS
GNDVS
BC847BW
2.7V
2.1V
GNDVS
89
2.1V
9.4V
48
47
7004-C
GNDVS
LA71595M
for Secam only
49
50
2004
0.8V
88
10n
GNDVS
10n
GNDVS
GNDVS
GNDVS
GNDVS
1001
HC-49/U
4M433619
0V
0.4V
1V
4V
0.8V
0.25V
3.4V
2.5V
2V
0.9V
3.9V
2.7V
2.1V
3.4V
64
63
62
61
71
70
69
68
67
66
65
C-GND
VXO2
S.L.D.
320/321
MES_DET
FH_VCO
R
D.E.
PB_BGA
LPF
AFTER
COMB
PILOT
PHASE
D.E.
KIL_DET
AMP
P
BG
ALT
P
R
BPF1
COR
NON_COR
REC
PB
REC
MESECAM
D.E.
APC
APC
AFC
KIL
PB_BGA
ID_DET
BEFORE
HPLL
P
P
P
R
P
COMP_IN
REC
R
C_LPF
BGA
R
NON_LIN
Y.N.R.
MAIN
DE_EMP
P
CONV
+
B-UP
P
AMP
SYNC
ACC
Y_LPF
SEP
R
R
ACC
BPF2
BALANCER
DET
SUB_LPF
PLL
P
R
SYNC_DET
DETAIL
ENHANCER
FM-DEM
V/I
NON_LIN
1/2
F.B.C.
CONVERT
EMP
DOUBLE
P
LIMITER
R
BLUE
CHARA
BACK
INSERT
P
IIC
6DB_AMP
R
CLAMP
CLAMP
Y-GND
23
24
25
26
27
17
18
19
20
21
22
2.4V
1.8V
2.4V
3V
2.5V
0V
0.3V
5V
0.2V
1.7V
3V
2.4V
3016
2K7
GNDVS
75
76
2047
I040
74
4p7
5V
2.5V
2.4V
47K
I050
1.8V
7008
GNDVS
3023
BC847BW
1.7V
2.3V
7010
BC847BW
GNDVS
I051
I052
GNDVS
GNDVS
GNDVS
GNDVS
GNDVS
7
8
9
10
Interconnections:
AF page 3-27
AL page 3-24
FV page 3-21
FOME page 3-34 I/O page 3-33
11
12
13
83
82
2055
2003
27p
I341
10u
1.5V
46
45
5V
2.3V
Y_DELAY
C_COMB
CCD_GND
51
52
53
54
55
F006
5.1V
1.8V
2.5V
2.5V
GNDVS
85
86
5VA
84
GNDVS
GNDVS
F005
5.1V
3.4V
3.3V
5V
3.4V
0.5V
60
59
58
57
56
4.3V
C_VCC
NTSC_H/
4.1V
2FSC
GNDVS
GNDVS
44
PB H Out
2.2V
TO:
2V
MES_DET
43
7006
1.6V
BC857BW
3.1V
GNDVS
2022
42
CLAMP
VCA
GNDVS
I340
10u
2.9V
2023
GNDVPO
41
Y
D
1u
R
5V
2024
I339
40
VCC
SEPP_IN
IIC_SW
47u
4.1V
2025
39
REG
N.C.1
N.C.2
10n
1.8V
81
2.1V
2026
38
3028
VID1/SEPC_IN
PIC_CTL
ANR
150R
100n
4.8V
37
2028
SYNC_DET
6
Y/C_MIX
100n
2.3V
VID2/SEPY_IN
2V
2029
F002
36
P
100n
3.4V
3.3V
I062
I049
2031
35
3007
AFC
R
3K9
470n
2.3V
1.9V
I061
2033
2034
VID3_IN
34
EE_AGC
10n
1n
1.5V
1.35V
2035
I338
AGC_TC2
33
22u
EQ_CTL
28
29
30
31
32
0.3V
1.7V
5V
2.9V
2.1V
1.8V
1.2V
1.5V
79
2036
77
78
10u
5.2V
5V
1.2V
F008
4.8V
5.2V
1.2V
7009
PDTA124EU
GNDVS
GNDVS
11
12
13
AIO1 page 3-17 AIO2 page 3-15 DE page 3-19
FM ST page 3-22 FM NIC-page 3-23
PS page 3-14
VPO page 3-32
VS page 3-31
0050 D1
F009 G1
0051 E1
F010 G1
1001 C8
F011 G1
1911 B2
F012 G8
1912 B1
F013 G7
2000 A8
F014 G5
2001 A10
F015 G5
2002 A10
F016 F4
2003 A11
F017 G2
2004 B9
F019 I9
2005 C13
F083 A6
2006 C13
F1101 C2
2007 C7
F1102 C2
A
2008 C9
F1103 C2
2009 C9
F1104 C2
2010 C9
F1105 C2
2011 C10
F1106 C2
2012 C10
F1107 B2
2013 C11
F1108 B2
2014 C7
F1109 B2
2015 C8
F1110 B2
2016 C10
F1111 B2
5VA
2017 C10
I001 A7
2018 C12
I014 C9
2019 C13
I015 C9
B
2020 D4
I040 H7
2021 D4
I041 I9
2022 D12
I044 B6
2023 D12
I045 B5
2024 E12
I046 I5
2025 E12
I047 H6
2026 E13
I048 I6
2027 F4
I049 F13
2028 F12
I050 H8
2029 F13
I051 I8
2030 F4
I052 I7
C
2031 F13
I053 H8
2032 H6
I054 F4
2033 F12
I055 I7
2034 F13
I056 I6
2035 G12
I057 C8
2036 H11
I058 D13
2037 G6
I059 C10
2038 G6
I060 C10
2039 G6
I061 F12
PBH
2040 G7
I062 F12
2041 H8
I063 H4
2042 H7
I300 C4
D
2043 H4
I331 C4
2044 H5
I332 D4
2045 H10
I333 D4
2046 I6
I334 I7
2047 H7
I335 H7
2048 I8
I336 G8
2049 I11
I337 G11
2050 I9
I338 G12
2051 I8
I339 E12
2052 I9
I340 D12
2053 D13
I341 A11
2054 H7
I342 C8
E
2055 A12
2056 D12
3001 A6
3002 C8
3003 A8
VBS
3004 C9
3005 C13
3006 C9
3007 F13
3008 I11
3009 C6
VFV
F
3010 H5
3011 H9
3012 H9
3013 I5
3014 A6
3015 H6
3016 G7
3017 H9
3018 I8
3019 I8
3020 I8
3021 I7
G
3022 I7
3023 I7
3024 I7
3025 G11
3026 E12
3027 D4
3028 E12
4001 I8
VREC
5000 B13
5001 C13
5002 C4
5003 H4
H
5004 I6
5005 I8
5006 I6
7002 B6
7003 I6
7004-B G5
IREV
7004-C B10
7005 A8
7006 D13
7008 H8
7009 I11
7010 I7
C001 I3
I
C002 I3
F001 G8
F002 F13
F003 B12
F004 B12
F005 C11
F006 B13
F007 D12
F008 H12
VS_S page 3-28

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