Selectron RCA PF2110SK, Service Manual

Page: 37 / 37

1
2
3
4
A B C D
4
3
2
1
D C B A
T
itle
Num
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:
11-
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电原理图
电
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Dr
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2
1
IC
503
7805
2
1
3
4 D
501
D
501
1
D
504
4148
1 2 3 4
5 6 7 8
VC
C
TES
T
SC
L
SD
A
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D A2 A1 A0
IC
202
24C
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FU
501
T2.5A
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X
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X
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4
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IC
502
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503 3.6V
C
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R
502 4.5
C
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7
C
506 4n
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1 2
R
503
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C
504 4n
7
C
503 4n
7
1
2
3
4
5
IC
501
K
A
C
Q
0565R
T
C
508
560 1K
V
R
505
330
C
512 0.1
C
510 0.022
C
507
150u
F 400V
R
507
10
C
511 3300
C
514
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1K
V
1
D
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4148
R
506 680
1
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4148
1 2
R
504
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1
D
509 TB
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R
511
4K
7 1/
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R
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R
512
30K
C
517
100u
160V
C
521
470u
16V
C
515 680
1
D
507 F
R
103
R
214 4K
7
R
215 4K
7
R
220 4K
7
R
207
1K
C
214
0.47
L
201
22u
H
C
204 1u
C
211
100u
16V
C
202
0.022
R
201 39K
C
203
39pF
C205 0.022
C
201
18P
R
204
10K
C
207
0.01
C
208 1500
C
216 0.015
C
212
10V
100u
R
208 220
C
218
10V
330u
R213
1/4W 5K1
C
217 1u
R
211
220
R
212
3K
R2
16
4K
7
R234
1K
R
217 4K
7
R2
18 100
R2
19
100
R
222
390K
R228
100
R3
05 1k
R
107 220
R
225 47K
R
240 560
R
230 24K
R237
47K
R238
47K
R227
20K
R
229
24K
R
224 100
R
221 10k
R
223 1M
R233 680K
C
227 1u
C
221
15p
C
222 0.033
C
220 15p
C
223
50V
2.2
C
224 0.01
C237
0.01
C2
25
10V
100u
C
229 18p
C
231 0.047
C235
0.47
C
226
47pF
C232
0.01
C
304
56n
C233 10V 470u
R109
27
R
108 560
C238
50V 2.2u
C
107 0.01
C
236 0.47
R
105 5K
6
R106
1K2
C
106 0.01
C
108 0.01
C
101
1 50V
E C
B
Q
101
C
2717
C104
4u7/50V
C102
220
R103
100
R102
100
1
2
3
4
5
6
7
IN
V I
N
GND
NON I
N
OUT
VC
C
OUT
P
UT
VC
C
P
UM
P
IC
301
L
A
78040
C327
1u 16V
C
332
220U
35V
R320
3K
R
319 10K
1 2
R317
180 1/2W
R
327 12K
R
330
5.1K
C
326 100n
1
V
D
308
B
A
158
1W
R
324
1/
1W
10
E C
B
Q
301
2S
C
2383
C
311
5n
6
C
310
3n
3
C
306
390p
C
305 820
C
309
470 2K
V
C
307
35V
10
R
302 2K
7
3 4
1 2
T302 X
R
0961
E C
B
V
302
TT2140
1
D3
01
S5
295J
C3
02
680p
R
304
10 1W
200V
27V
C
303
22u
250V
R
308
1 1W
R
509
8M
2
C
523
2n
2 400V
~
R
508
1K
R101
47K
R
239
680
R
236 10K
C
206 0.022
5V
-2
C
239
50V
1u
12V
4
4
2
2
1
1
3
3
XS602
5
4
7
6
L V
11
10
14
14
13
13
9
8
Cb Y Cr
12
12
19
18
17
16
21
20
L R V
15
3
2
R
1
IN OUT
X
S601
R
601
75
R622
270
C
213 10u
C
228 0.1
C
230 0.1
R
603
75 R
604
75
Q
202
A
1015
R
231 560
12V
R
232 100
C242
10V 220u
R
312 4K
3
D
307
HZ
7C
2
R
311 8K
2
R
309 10
1
D
306 4148
R
313 4K
7
C
324
10u
50V
E C
B
Q
303
C
1815Y
C3
25
100u
16V
C
323
680p
R202
1K
E
C
B
Q
201
2S
C
1815
R
203 330
C
209 100u
C
210 0.01
5V
-2
1W R
301
22K
1
D
313 S
5295G
C
338
250V
4u
7
L
302
L
303
1W
R
315
1W
1K
1W R
316
1W
1K
C
339
400V
0.33
C
519
220u
35V
C
513 680
1
D
508 FR
103
5V
-1
E C
B
Q
507
C
1815
FM
SDA1
SDA1
SCL1
SCL1
1 3 8
5 6
15 16 12 13 9 10
7
* * *
* * *
T501
T501
R
514 10K
C
240 0.01
L
101
56u
H
R
110 100
R210 4K7
C
215
0.47u
1
2
3
t
R
T
501
PT
C
3W
R332
220
X-RAY
FBP
R
G
B
B G R
8
6
10
2
7 3 4 5 1
HV FO
C
U
S
SC
R
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9
T301
*
1 2
X
S501
C243
50V 1u
R
602
75
C
524
470pF
250V
~
C
525
470pF
250V
~
L202
22uH
C
526
0.1
R
241 15K
C
244 0.01
R242 68K
R
517
5K
6
R
515
5K
6
R
243 10K
R
527
100K
C
527
10n
KEY
KEY
S-
C
V OUT
REM
REM
Y-DVD
R
245
10K
L
203 68u
H
L
204 68u
H
C
245 0.1
3 1
2
IC
504
TL
431
R
247
2M
2
VD 202
5C1
VD 203
5C1
VD 204
HZ5C 1
*
*
*
VD 101
upc574
2W
R
104
2W
10K
SCL
SDA
5V
-2
S-
Y
B
G
R
606
75
FAST
C
605
10u C
604
10u
R
607
75
C
606
10u
V1
R619
1K
C
603
10u
R621
1K
C
602
10u
C
601
10u
R
605
1K
SDA
C822 100
C903
470
C902
470
C528
47u 160V
1
D
510
TB
Y
56J
R
510
24K
E C
B
Q505
C1815
R
516
5K
1 1/
4W
R
526
5K
1 1/
4W
2
3
1
IC
302
7812
C
246 0.1
C
234
10V
47u
JU
M
P
ER
C
POW ER O FF M UTE
R
246 10K
5V
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C
250
10V
100u
R
P501
1K
B+
27V
A O
U
T
A
IN
C
253
10V
100u
DR
Cr R1 Cb
DL
V1
L1
Cr
Cb
R611
27K
R612
8.2K
C
904 470
C
828
16V
470u
C
827
16V
470u
C825
470
C823 1
C824 1
C901
470
R415
4.7K
R418
1.8K
R416
10K
R417
10K
E C
B
Q
403
C1
81
5
C
613
16V
10u
C
612
16V
10u
V2 R2 G L2
V1
R615
2.7K
DR
R614
3.9K
R613
4.7K
C
611 10u
R623
75
TV-L
R620
10k
R618
10k
C
609
16V
1u
9V
C
610
10u
2 3 1 4 5
X
S604
DL
TV-R
AV1
L1
R1
AV2
AV1
AGC
AV-IN
LO
RO
AV2
10
9
3 6 8
G R B
HV
5
7
G9
01
CRT
1 2
S801 SPE
A
K
1 2
S8
02
SPE
A
K
A? SW
-2
A? SW
-2
A? SW
-2
A? SW
-2
A? SW
-2
A? SW
-2
E C
B
Q9
02
2482
E C
B
Q
903
2482
E C
B
Q
904
C
1815
E C
B
Q
901
2482
1
2
R
912
2.7K
1
2
R
913
2.7K
1
2
R
914
2.7K
1 2
R903
390
1 2
R909
390
1
2
R9
05
1.5K
1 2
R906
390
1
2
R
908
1.5K
1
2
R
901
150
1
2
R9
04
150
1
2
R
907
150 1 2
R911
270
1
2
R9
10
10K
1
2
R
902
1.5K
2W
R915
12K
2W
R917
12K
2W
R916
12K
2
4
1
3
XS
90
2
*
D
901
4148
D
902
4148
D
903 4148
D9
04
4148
12V
4 3 5 1 2
R
X
S901
4 3 5 1 2
R PI
N
5
B
G R
9V
9V
C
905 1000
C826
470
YUV
1
TV
2
R
3
AV2
4
AV1
5
GND
6
GND
7
GND
8
AV2
9
AV1
10
AV2
11
YUV
12
L
13
AV1
14
TV
15
VC
C
16
IC
601
*
E
C
B
Q
601
*
Q
602
*
AV
-I
N
9V
R
610
150K
R414
1K
R616
1.5K
R617
680
AV
1/
AV
2
CH
-
CH
+
AV
/T
V
ME
N
U
VO
L
+
VOL-
5V
-1
R DL
2
R
609 560
1 2 3
VC
C
GND
IR
R RPM
C
607
10u
/16V
R
608 470
5V
-1
C
608
16V
1u
20V
R514
8.2K
R515
2K
1015
NP
N2
R
513
8.6K
1
V
D
510
4148
3W
R 1 R >3
W
5V
-2
9V
32V
B+
12V
C
333
1000
2
1
IC
503
7805
04-12-23
Q
501 966
R
522
3K
9
R
521 10K
Q
501 966
R
522
3K
9
R
521 10K
1
D507
4148
E C
B
Q
507
C
1815
R
514 10K
12V
5V
-2
C
101 220
R
101
10
SCA RT
R
R405 1.5K
R407
1K
R406 1.5K
R405 1.5K
R407
1K
R406 1.5K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
60
61
62
63
64
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
A OUT
SIF I N
FM /A OUT
SIF A PC FI L
SIF O UT
VIF AGC
RF AGC
VIF IN 1
VIF IN 2
IF GND
IF VCC
FM FIL
ABL
E/W
V RA MPOSC
AV1/AV2
RGB VCC
4.43M
R OUT
G OUT
B OUT
V OUT
GND CCD VCC
VCO IREF
FBP IN H OUT
H AFC
H VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27 38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
VM
TV/AV
POW
PO3/ IN T3
VOL
REM
28
29
30
31
32
55
56
57
58
59
X-RAY
28
29
30
31
32 33
34
35
36
37
TUNER
P16 PWM3
MUTE
P12/ SDA1
P13/ SC L1
CR
CPU GND
PLL
RESET
BAND1
SCAR T
VDD
XT2
XT1
KEY
BAND2
CB
FAST
G-IN
B-IN
V OUT/FSC
C APC
AV IN
APC F IL
V/C/D VCC
V IN/S-C IN
B L D FIL
AFT F IL
V OUT
L
A
76938 IC
201
R-IN
A? *
12V
32V
AV
2
R327
12K
R
327 33K
R327
2.2K
C3
32
2200
C
332 1
27V
TV/A V
AV1
AGC
BP
AS
SCL
SDA
BT/LOCK
IF1
1
3
4
5
6
7
9
11
R R 2
W
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
IC 801 LV 1115
C820 1
C819 4.7
C802 4.7
C801 1
C811
47
C821
1
C808 4.7
C813 4.7
C812 1
C809 1
C810 47
C804 0.01
C803 5600P
C805
2700P
C806
0.1
C814 0.1 C807 0.1
C815 0.1
C816 2700P
C817
0.1
C818 0.068
R803
100
R804 100
R
802
1K
R
705
1K
R801
3.6K
R805
3.6K
R IN
L IN
SCL
R806
3.9K
R807
3.9K
L
A
42352
GND
3
GND
10
NC
9
VCC
7
VOL2
6
STB
5
IN2
4
OUT2
8
IN1
2
FIL
1
VOL1
13
OUT1
12
NC
11
IC
802
L
A
42352