
IMPORTANT NOTICE:
IF PARTS OF TUNER AND FS SECTION ARE
REPLACED INDIVIDUALLY. THE FCC SPECIFICATIONS
WILL NOT BE SATISFIED.
DURING SERVICING. PLEASE REPLACE AS A UNIT.
1
SINCE THE UHF/VHF TUNER/TV DEMODULATOR UNIT
HAS ALREADY BEEN PRE-ADJUSTED AT THE FACTORY,
DO NOT TRY TO ADJUST THE UHF/VHF TUNER/TV DEMODULATOR UNIT.
THE UHF/VHF TUNER/TV DEMODULATOR UNIT REPLACEMENT PART
IS AVAILABLE ONLY AS A COMPLETE ASSEMBLY UNIT.
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
A
B C
D
E
F G
H
I J K L
M
N O
P
Q
1
2
3
4
5
WF33
WF32
NOTE:
FOR SCHEMATIC AND C.B.A. DIAGRAM NOTES, REFER
TO BEGINNING OF SCHEMATIC SECTION (SECTION III)
UHF/VHF TUNER/TV DEMODULATOR SCHEMATIC DIAGRAM
FPLL
(B)
VIDEO
3/4 CH
TV (H)/VCR (L)
UNSW +5V (VIDEO)
AUDIO
2
3
4
5
PIN-5
PIN-4
PIN-3
PIN-2
PIN-1
TO MAIN
18
+30V
17
UHF/VHF
16
SERIAL CLOCK
15
DTS CS (H)
14
CH FREQUENCY LOCK (L)
13
SERIAL DATA 0
12
UNSW +5V (VIDEO)
PIN-
PIN-
PIN-
PIN-
PIN-
PIN-
PIN-
12
13
14
15
16
17
18
TO MAIN
5
4
3
2
1
11
AFC
10
SW +12V
9
AUDIO
8
VIDEO
7
UNSW +5V (VIDEO)
6
GND
PIN-
PIN-
PIN-
PIN-9
PIN-
PIN-
TO MAIN
11
10
8
7
6
X1
UHF/VHF
GND VCC1 VCC2
PRESCALER
DIVIDE-BY-B
4-BIT BAND SWITCH
REGISTER
15-BIT
DIVIDER
DIGITAL
PHASE
COMPARATOR
CHARGE
PUMP
7-BIT
CONTROL
REGISTER
RSB
RSA
LOGIC
TUNING
VOLTAGE
CONTROL
15-BIT FREQ.
REGISTER
POWER-ON
RESET
IN-LOCK
DETECT
DIVIDER
OSD
OUTPUT
CONTROL
GATE
RSARSB
AUDIO
CARRIER
MODULATOR
FM
MODULATOR
WHITE
CLIP
VIDEO
CLAMP
ANT
SW
CARRIER
OFF SW
RF CARRIER
OSCILLATOR
CHANNEL SW
AMP
AMP
VIDEO
MODULATOR
IFOUT
VCC
VOSC1
VOSC2
VOSC3
VOSC4
UOSC1
UOSC2
UOSC3
UOSC4GND
URF2
URF1
VRF2
VRF1
U/VSW
MIX(OUT2)
MIX(OUT1)
IFAMP(OUT)
IFAMP(IN)
VIDEO SIGNAL AUDIO SIGNAL
AFC
DET.
VCO
SIF
AMP
FM
DET.
VIF
AMP
VIDEO DEMODU.
&
INTERNAL
VOLTAGE
STABILIZER
SINGLE
REFERENCE
QSS
MIXER
SIF-
AGC
TUNER AND
VIF-AGF
SAW
FILTER
VCO
UNLESS OTHERWISE SPECIFIED:
WATTAGE OF RESISTORS ARE 1/8W AND 1/16W.
IC1
C17
C30
C23
C24
C11 C19
C18
C8
R14
R15
R16
C31
R11
C25
C32
C21
R10
R8
R1
C7
R2
C14
C12
R9
L7
C13
R13
C20
R7
C9
C10
L6
Q4
R6
C29
C4
C2
L4
Q2
Q1
C1
R3
R4
L1
L2
C15
R12
C16 C22
C28
C6
L5
L8
T1
C311
IC301
C310
C309
C312
C313
T301
R305
C306
C305
R318
R316
R315
R317
C308
R314
X303
C307
R302
R303
VR301
R304
C302
C303
X301
C301
R301
R306
L303
L305
C317
X302
R307
Q301
C316
R310
R311
R312
R313
C314
C120
R109
C160
C154
C158
R116
C165
C166
C156
X101
R113
R112
R111
C154
C163
C161
C159
C150
IC102
C148
C146
C155 C167
C162
C153
C152
C151
IC101
C119
R97
C134
C135
DT112
L120
C140
DT111
C121C123
C129
C124
C125
C128
C135
R103
C112
R92
L121
R89
C107
TP100
C133
C109
DT105
R87
R110
R108
C149
C106
R100
R88
DT104
C95
C86
C80
L117
C99
L115
C101
C93
DT110
C92
R83
CT3
CT2
DT109
C85
R81
C84
R70
R74
L115
C79
R71
R65
C74
Q101
R56
C59
L114
DT107
L112
L113
DT108
C56
R51
R52
R55
R61
C75
C51
C118
C94
C97
C158
C103
C96
L111
L109
C102
C104
C100
DS103
DS102
C90
L110
R85
R84
C89
C88
C87
R80
DT103
Q102
R79
C81
R75
R76
C77
R72
DT102
C76
R68
C73
L107
DT101
C67
C54
R64
C83 C98
R82
R69
R63
C72
C63
L106
R66
DS101
C58
L103
DS107
C65
C69
L104
R62
C66
L105
C70
R59
R60
C137
C139
R99
C138
L122
C127
C126
R101
R102 R104
C133
R86
C105
R67
DS104
R78
DS105
C131
R98
L118
C122
DS106
R95
C116
C115
DT106
C114
R96
L119
C130
C71
R94
C117
C110
R93
R91
R54
R53
C58
C57
L101
C52
L102
C53
R56
C60
C169
C170
C51
R117
BAN2
BAN1
L108
C82
C91
C171
R115
C111
R106
R107
C142 C143 C144 C145 C147
C315
L304
C52
R57
R90
C55
R105
C132
1
Содержание Omnivision PV-4651
Страница 14: ...Fig 2 3 14 ...
Страница 27: ...Fig 11 1 1 27 ...
Страница 40: ...Fig D1 40 ...
Страница 42: ...Fig D2 42 ...
Страница 43: ...Fig D3 43 ...
Страница 44: ...Fig D4 44 ...
Страница 45: ...Fig D5 45 ...
Страница 46: ...Fig D7 46 ...
Страница 47: ...Fig D8 47 ...
Страница 51: ...Fig M2 1 Fig M2 2 51 ...
Страница 53: ...Fig M4 1 53 ...
Страница 77: ...Fig M19 77 ...
Страница 84: ...Fig J5 84 ...
Страница 85: ...Fig J6 85 ...
Страница 87: ...Fig J9 87 ...
Страница 88: ...Fig J10 88 ...
Страница 89: ...Fig J11 89 ...
Страница 90: ...Fig J12 90 ...
Страница 91: ...Fig J13 91 ...
Страница 92: ...Fig J15 92 ...
Страница 93: ...93 ...
Страница 96: ...96 ...
Страница 102: ...with the holes on the Pinch Lift Cam as shown in Fig A6 102 ...
Страница 103: ...103 ...
Страница 105: ...Fig K1 105 ...
Страница 106: ...Fig K2 106 ...
Страница 107: ...Fig K3 107 ...
Страница 109: ...Fig B1 109 ...
Страница 114: ...Fig E1 4 3 2 HOW TO READ THE ADJUSTMENT PROCEDURES 114 ...
Страница 115: ...Fig E2 115 ...
Страница 134: ...R6004 ERJ6GEYJ333V MGF CHIP 1 10W 33K 134 ...
Страница 136: ...R6085 ERJ6GEYJ223V MGF CHIP 1 10W 22K 136 ...
Страница 140: ...C4601 ECEA1CKA100 ELECTROLYTIC 16V 10 140 ...
Страница 147: ...R6065 ERJ6GEYJ223V MGF CHIP 1 10W 22K 147 ...
Страница 167: ...9 11 Operation Block Diagrams 1 167 ...
Страница 178: ......
Страница 204: ......
Страница 205: ......