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8.4. VIDEO SCHEMATIC DIAGRAM
L
H
L
H
H
H
H
H
1K
R3338
82u
L3308
15
AVS OUT
TO
VTR 4.8V
6V47
C3340
H
I
C
A
B
A4
1500
R3335
D1BB30000002
R3310
10P
C3306
68P
C3305
1500
R3311
L3303 22u
0.01
C3312
3300
R3336
R3305 1200
RN1104F
QR3303
3300
R3005
1800
R3017
SYSTEM
TO
RN1103F
QR3002
2SB1219
Q3001
45
P DOWN
GND(A)
NC
PB IN
NC
NC
NC
NC
LP/M
4.43MHz
EMP.C
M.DE.EM.
EMP.E
M.DE.EM.
PB NTSC OFF
YEXTPBFM
PAL/M
ROTARY
SQPB
RFPEAKING/
RF VCC
PS/IN
PS/N
PS/P
RF AGC OUT
RFGND
PB RF IN
ID
TUNER/L
REC FM IN
FO DET
OUT
MOD
CLAMP3
ME/W/C
ME/VVEDIT
NC
YNR DET
ARTV
TOCCD
V GND
FROMCCD
CLAMP4
V OUT
CLAMP2
CLAMP1
AGCDET
CCD
Y VCC
TUNORIN
VREG
LINE IN
AGC DET
HSS OUT
SYNC DIT
SECDET2
SECDET1
TOCOMB
CK DET
FROM COMB
L
F ACC
H
F ACC
ACC DET
MBDCDET
VCXC2
C
VCC1
C
OUT
PB C
VV/TRICK
CIN
RECAPC
NC
X TAL IN
C GND
3.58XTAL
DET
LOCK
SIDE
OUT
2FSC
PBAPC
RECAFC/
/OUT
ACC/CK
GND
VCO
FVCO
NC
NC
VCC
1/2
NC
NA MUTE IN
NC
NAVCC
NC
NC
NC
DOP
EE ON
SP ON
MUTE
VV/
EE
ON
LP/SLP
TRAP
FH
ON
SLP
ON
EE
-
+
-
+
NOR
MUTE
VV
L
DET
AGC
(VIDEO)
(AUDIO)
BM
SUB
-1
1/4
1/40
ID
SELECT
4PHASE
DP
DOP
ENV
DO
D-LIM
DEM
LPF
SUB
DET
TRAP2
TRAP1
DET
CK OFF
EE
VV
AGC
RF
+
-
+
MIX
Y/C
2FSC
DET
FO
EE
VV
NOR
TEST1
CLIP
W/D
MOD
EE
VV
3
CLAMP
-
+
HPF
LIM
NC
MIX
YNR
HPF
LIM
NLDE
NLE
DO
NOR
EE
VV
EE
VV
1
CLAMP
LPF
MAIN
PROCESS
YNR
GCA
LPF
CCD
2
CLAMP
DET
MUTE
MIX
Y/C
4
CLAMP
EE
VV
L
T
DET
HSS
SECAM
AGC
ATT
SP
TRICK
LP/
VV
EE
NOR
OFF
CK
VV
EE
SECAM
PAL
EE
VV
EE
VV
VV
EE
EE
FODET
VV
VV
EE
DET
BPF
X2
VXO
*PAL
NTSC
VCO
FH
PC
FH
DET
DET
ACC
BPF
CCD
AMP
COMB
BPF
4.43
DOWN
BURST
ACC
BM
UP
BURST
LPF
629
DET
APC
FDET
AFC
LOCK
SIDE
ROTARY
1/4
KILLER
VCO
T
21
20
19
18
17
16
14
13
12
11
10
9
8
7
6
5
22
114
112
113
43
29
44
111
21
110
26
23
25
27
20
28
42
24
B9
B15
B5
B4
B14
B6
B13
B12
B11
A5
B9
B8
B7
B6
B5
B4
A26
A24
A23
A22
A21
A20
A25
B2
B1
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
C3323 0.01
MA111
D3303
0.01
C3307
6V47
C3359
0.01
C3335
AN3501NFBP
IC3301
POWER
TO
CAMERA1
TO
TO CAMERA2
LENS DRIVE
TO
L
K
J
G
F
E
D
C3303 27P
R3301 1K
D1BB33010002
R3312
R3307 47K
C3311 82P
C3310 18P
L3302 12u
R3314 470
D1BB30000002
R3306
820P
C3301
D1BB3601A010
R3308
F3F0J1060005
C3360
R3334 100K
680
R3004
22P
C3002
1K
R3002
470P
C3007
120u
L3005
82u
L3001
R3003 2200
C3001 68P
R3001 560
C3353 220P
C3354 820P
D1BB2200A010
R3318
C3304 22P
D1BB1001A010
R3316
C3317 16V10
C3316 0.01
R3320 2200
C3315 0.1
C3352 16V10
C3318 0.1
C3319 0.01
C3320 0.1
C3321 0.01
C3322 16V10
47K
R3317
33u
L3320
39P
C3380
1K
R3351
1200
R3350
2SA1832FY
Q3320
2SC4738FY
Q3303
2200
R3346
2SA1832FY
Q3302
1800
R3042
D1BB33010002
R3041
D1BB4301A010
R3040
47u
L3305
6V47
C3325
16V10
C3326
R3309 1.2M
R3333 1K
C3327 0.01
R3323 150K
C3362 0.01
C3361 0.01
22K
R3322
C3329 0.01
C3328 0.01
C3332 0.01
C3330 0.1
C3331 0.1
C3333 0.1
C3357 0.01
47K
R3325
47K
R3319
0.1
C3356
C3355 0.01
CL3302
22K
R3328
2200
R3332
1
C3337
C3336 0.01
R3327 D1BB2400A010
C3358 0.01
RN1104F
QR3309
RN2103F
QR3308
RN2103F
QR3311
RN1104F
QR3310
C3339 0.01
1
C3338
47u
L3306
REG 4.8V
Y IN1
ANA GND
REG 3V
C CTL
Y CTL
L DATA
CAM Y/C IN
VTR 4.8V
V REF
V REF
SYS VD
VTR SYNC
4.43MHz
IRIS OPEN
FNO
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
PB
EVR CAM CL
EVR SBI
EVR SBO
FACT MODE
HA SW
CAM TEST
RESET
S TAB
EE
LP
H SW
D REC
V HEAD CTL
ART V
GAIN CTL
ENV DET
RE ON
11
10
G
M
SYSTEM
TO
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
(0)
3.1
(4.8)
0
(4.8)
4.1
(0)
4.7
4.8
0
4.7
(3.3)
0
(4.6)
2.2
4.7
(0)
4.7
4.8
(4.7)
3.8
(0)
0.9
(2.7)
3.1
2.5
2.5
2.5
4.8
1.2
1.7
0.7
.
-
-
-
-
2.3
-
(4.7)
0
2.5
2.5
(2.8)
2.6
3.1
(2.2)
1.7
2.0
0
(2.1)
2.5
2.3
1.9
1.9
0.4
2.2
(3.8)
2.4
(2.0)
0.7
(2.0)
0.7
(2.2)
2.5
2.2
(2.1)
1.4
4.8
0.7
(2.9)
2.0
1.0
4.2
(4.6)
2.2
(4.2)
2.0
4.7
(3.2)
2.6
4.7
2.8
2.3
0
(2.9)
2.3
-
2.6
2.3
2.1
-
2.1
-
0
0.6
-
-
(0.1)
2.6
-
2.3
-
4.7
4.7
-
-
-
4.4
1.9
(1.9)
3.0
(1.9)
3.0
(1.3)
1.6
CL6018
(SWITCHING)
(INV.)
REG 4.8V
SWITCHING
2.1
2.6
1.6
4.7
0
1.6
1.0
4.7
0.7
4.6
4.6
0
CL3003
CL3302
(AMP)
CL3303
(AMP)
(AMP)
PROCESSOR
VIDEO SIGNAL
(INV.)
(SWITCHING)
(INV.)
(SWITCHING)
25
Содержание GMI7900
Страница 9: ...Fig 5 Fig 6 Fig 7 Fig 8 Fig 9 Fig 10 Fig 11 9 ...
Страница 11: ...5 ABBREVIATIONS 11 ...
Страница 12: ...12 ...
Страница 14: ...14 ...
Страница 20: ...20 ...
Страница 36: ...36 ...