C239
C241
C240
C231
C230
C7611
C60
R235
R238
C242
R236
C229
T202
C212
C217 C222
IC7601
C79
R718
C38
L204
C7606
L207
R53
C7603
C7602
L209
P701
L31
D2
FL702
C7601
R63
C9
P7601
R704
C7610
R706
R705
R204
R7605
R7607
R7609
R7604
R7606
X7601
R96
C7623
C7621
R710
C34
TP3
C73
C257 C258
Q201
C94
C7604
C98
Q202
Q203
C7612
L202
Q7601
R2
Q701
C716
R720
R7603 R7602
C7607
C7605
C49
R7601
C7609
L1
R719
L6
R205
R208
C6
L5
C88
R215
L11
L12
C1
L10
D1
C5
C7613
D21
C24
R23
C7608
R714
C701
R708
D4
C703
C7615
D5
D6
C33
L16
C18
C19
R17
IC201
R11
C714
R24
Q6
R28
R30
C36
R29
R40
C35
R31
R27
C32
C45
D9
L23
L26
D13
C57
D11
L24
L27
R97
R46
R49
L28
C59
C704
R47
R41
D16
C61
R48
C55
C58
TP706
C8
R52
C11
C16
C10
D3
R7
Q4
L8
R26
L19
C702
R12
R702
L20
R13
L25
R18
L13
R19
R20
C21
R25
C27
C20
C15
C28
D7
D8
C710
C17
C37
C12
C51
L18
R32
C44
C47
C46
R58
TP5
C65
C63
D12
C97
R234
C52 R99
R45
C99
C202
C203
R44
R242
R9
R6
R221
C7
C50
C14
P201
C81
C87
C43
R716
T1
L21
C13
D18
D20
D19
D17
C78
C66
C75
C68
C74
C76
C62
C69
R50
R715
C67
R54
R61
R60
R55
C92
L29
L30
R59
C71
D15
C80
R717
C711
C715
R701
R703 L702
FL703
C707
TP703
C712
C713
R712
TP701
TP704
TP702
TP707
TP705
C705
R709
R713
C706
R711
R707
C708
T702
T703
T701
IC701
C96
C95
C3 R3
C2 R1
J201
C82
C243
C91
R98
C4
R214
C26
C252
R51
R56
C72
C83
C721
C720
IC1
L701
C90
C93
C722
C7618
C7616
C7622
C7620
C7619
C7617
C102
D22
R70
C723
C7625
C7627
C7626
C7628
C7624
R7608
R7610
1
2
3
4
5
6
7
8
9
10
11
13
12
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
6
1
2
3
4
6
1
2
3
4
6
1
2
3
4
6
1
2
3
4
5
6
7
8
9
10 11
13
27
15
16
17
18
19
20
21
22
23
24
25
12
26
14
28
29
30
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
17
18
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
1
2
3
4
5
Q
1
2
3
4
5
1
2
3/4 CH
VIDEO
UNSW +5V (VIDEO)
VIDEO SIGNAL
TV (H)/VCR (L)
AUDIO
UHF/VHF TUNER/TV DEMODULATOR SCHEMATIC DIAGRAM
+30V
SW +12V
3
SERIAL CLOCK
4
X201
AUDIO SIGNAL
1
14
15
2
3
TUN
4
CH FREQUENCY LOCK (L)
SERIAL DATA 0
DTS CS (H)
6
7
8
9
10
11
12
13
GND
GND
SW +12V
BU
B2
FL1
1
B3
2
B1
RF
4.5MHz
PD
UNSW +5V
REF
GND
OSC 2
OSC 1
DTS CS (H)
GND
ANT SW
SERIAL CLOCK
SERIAL DATA 0
VIDEO
DRIVER
CH FREQUENCY
3
16
17
18
SW +12V
VIDEO
AUDIO
AFC
GND
19
LIMITER
FM
DETECTOR
VOLUME
CONTROL
VCO
APC
AUDIO
DETECTOR
GND
GND
GND
AUDIO
AGC
IF
AMP
VIF AMP
RF
AGC
IF
AGC
VIDEO
DETECTOR
VIDEO
AMP
NOISE
INVERTER
FL202
TO MAIN
PIN-
PIN-
PIN-
PIN-
PIN-
4
3
5
2
1
BURST
LEVEL
SIF
PIN-
PIN-
PIN-
PIN-
PIN-
PIN-
PIN-
PIN-
6
7
8
9
10
11
12
13
TO MAIN
PIN-
PIN-
PIN-
PIN-
PIN-
PIN-
14
15
16
17
18
19
AFT
TANK
(BUFFER)
VCO
1
2
3
4
5
FL701
EFCKM3561M
UHF/VHF
UHF/VHF
VJBS07614
TUNER SIGNAL (L)
UNSW +5V (SYS.CTL)
SAW FILTER
VIDEO
AMP
AFT
VCC
RF
AGC
FREQUENCY
SYNTHESIZER
FM
MODULATOR
SIF OSC
VHF OSC
VHF AMP
AUDIO
PRE AMP
VIDEO CLAMP
(D,E)
VIDEO-RF
CONVERTER
AUDIO-RF
CONVERTER
VCC
VCC
LOCK (L)
UNLESS OTHERWISE SPECIFIED:
WATTAGE OF RESISTORS ARE 1/8W AND 1/16W.
NOTE:
FOR SCHEMATIC AND C.B.A. DIAGRAM NOTES, REFER
TO BEGINNING OF SCHEMATIC SECTION (SECTION III)
TV
DEMODULATOR
VHF
MIX
UHF
MIX
IF
AMP
LOCAL
AMP
VHF
OSC
UHF
OSC
VCC
BU
VCC
(SYS.CTL)
TUNER SIGNAL (L)
TO TV MAIN
UNSW +5V (SYS.CTL)
270
VLFS0212
150
3900
1200
12K
2SD601
0.47
470
330
5600
100P
5600
27P
82P
4700P
68P
4700
0.01
5KB
1800
4700
4.7/25V
0.22
1K
220
15
VLFS0200
2200P
0.1
0.47
68K
1
68K
1K
0.01
270
2700
0.01
VLTS0237
VLTS0238
VLTS0239
AN5180NK
0.01
0.01
0.01
0.01
1000P
Содержание PV-4601 A
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: ......