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9 CIRCUIT BOARD LAYOUT
9.1.
MAIN C.B.A.
MAIN C.B.A. LSEP2220B(A, B) / LSEP2222A (C, D, E)
1
2
P6301
3
4
1
7
SW6309
R6313
TP6009
SKIP +
R6312
R6311
A
R6130
SW6303
R6129
SKIP -
C6027
TP6008
C6026
R6098
L6011
C6010
R6093
Q6005
Q6004
C6011
C6037
E
B
E
B
R6090
C
C
C6007
B
D6010
R6089
Q6006
R6086
R6113
100
E
B
1
SW6307
R6085
C6009
C
R6081
CH
TP6007
E
B
Q6003
IC6005
R6120
R1208
UP
81
R6080
C
6 4
C6012
80
TP6111
R6079
1
3
IC6001
R6112
30
C1208
C6005
R6078
31
R6174
TP6101
TP6106
R6073
TP6099
C6003
SW6301
R6035
TP6013
50
51
CH
IC6004
TP6104
DOWN
*
1
8
1
5 4
C6002
X6001
1
4
C
C6412
C6413
R6043
J6401
R6511
C6411 C6414
8
5
R6306
C6030
R6408
R6051
SW6308
R6121 W6072
C6031
R6047
R6513
L6401
R6519
R6403
J6002
VOL +
R6058
R6059R6402
R6061
R6301
R6036
R6302
SW6302
D6004
VOL -
R6307
D
R6518
E
E
B
C
SW6318
R5505
R5512
POWER
C5510
R5504
R5511
F
R5517
C5507
D5301
D4701
R5405
R5515
C5501
R5501
D5302
X5501
D4702
R5514
D5303
C5401
R5401
R5403
C5508
C5506
R5352
C5516
D4706
13
12
TP4014
X5601
C
B
E
1
24
IC5301
R5361
Q5303
25
48
C4710
R4703
R5329
C5905
E
B
36 37
C5604
C
Q5301
C5358
D4704
R5932
C
E
B
R5604
B
E
C
TP5651
C5602
C5934
C
C5902
C5301
R5303
B
E
C5305
R5309
G
E
B
Q5355
TP5402
B C E
C5307
C
R5304
R5308
Q5901
Q5302
JK4701
TP5019
C5302
J5901
D5611
D5310
Q5612
D5309
L5653
J4702
Q5613
E
B
D5307
E
B
C
C
H
IC4701
Q4701
L4701
E
B
5
L5661
8
C
C
J4593
L4501
B
E
1
4
R4702
Q5614
R5674
C4706
J4703
J4701
TP4592
C4708
TP4591
FRONT JACK CIRCUIT
L4503
I
NOTE:
CIRCUIT BOARD LAYOUT SHOWS COMPONENTS INSTALLED FOR VARIOUS MODELS.
FOR PROPER PARTS CONTENT FOR THE MODEL YOU ARE SERVICING,
PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST.
NOTE:
CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED.
5
6
8
7
13
R5381
12
C
B
E
P5501
D6011
R6175
R1222
Q5381
P5502
R1223
Q1201
6
4
C4501
C4502
1 3
C1202
C1207
C1204
R4611
C4628
C1203
C4505
C4509
B C E Q1206
R4610
C4627
R4607
C4607
C1205
R1212
C1211
C4506
C4507
R4605
C4603
J4501
5
1
C4605
R4608
C1212
C4601
C4619
C1209
IC1201
13
24
C4609
IC4601
C4508
C4606
C1214
C1216
1
12
C4602
R4609
C4604
C4612
C4614
C4626
D4601
R4603
R4604
R4601
R4602
Q4356
C
B
E
Q4354
Q4351
E
B
Q4355
E
B
C
C
E
B
L5301
C
B
E
C
Q4352
R4366
J4302
Z6203
C4358
R4356
C4357
1
15
L4351
R4354 R4355
P4801
2
16
IC4351
R4367
8
5
Q4353
C4360
C4359
E
B
1
4
C
P5503
R4360
C4307
C4305
C
B
E
C4303
C
B
E
E
B
R4314
C
IC4301
C9021
8
1
C9019
C9024
9
16
R9008 TP9002
R9005
R4306
C9022
C9006
C9026
TP9001
C9011
R9001
TP5009
C4371
C4304
C4306
C9017
R5351 C5351
R9004
32
17
4
1
C5356
IC6001
C9015
5
8
1
16
Q5357
IC5351
R5679
Q5658
C
C5681
TP5652
E
B
B
E
C9014
Q5653
C
C
R5676
R5673
C9013
E
B
B
E
C5670
J9001
C
Q5359
C9003
R5666
L5654
L5652
C5674
R5662
16
9
C5677
C9008
L9509
C5653
8
R5653
1
IC5651
Q5651
C5661
E
B
C
W5629
3
E
B
1
R5659
P5504
C
R5657
L9001
Q5652
4
W5628
L5655
5
1
1
P6001
2 LINE DEGI COM CIRCUIT
D5311
P4501
P4502
1
2
1
2
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE 6.3A 125V/250V FUSE.
ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES
D' INCENDIE N' UTILISERQUE DES FUSIBLE DE MÉME
6.3A 125V/250V
TYPE 6.3A 125V/250V
HOT CIRCUIT. BE CAREFUL AND USE AN ISOLATION TRANSFORMER WHEN SERVICING.
9
10
11
1
2
POWER CIRCUIT
C865
L1602
C1034
D1020
P1006
11
1
C1023
C1022
C1028
C1019
C1017
5
1
IC1006
1
L1006
5
IC1005
J851
C1003
C1036
C1035
C1025
C1026
5
4
D1019
9
1 3
U4501
L1005
IC1004
C1024
COLD
C1020
D1015
R1015
1
C1021
T850
D1010
HOT
10
18
3
1
R1011
8
IC1003
COLD
IC1002
T1001
1 2
13
4 3
2
R866
8
R852
C1007
D1021
D1009
L1003
D1008
L857
C1006
C1050
C1013
3
R855
7
R1005
5
D1002
C1005
4
R1003
IC1001
C1011
4
3
R1002
D1001
2
1
D1017
R1006
R1001
L1001
C805
C1001
CAUTION
D807
C1002
HOT CIRCUIT
C809
Do not touch!
C806
D805
D804
C807
HOT
C803
D802
L802
C804
RL591
RL801
Q591
Q7031
B C E
D592
B
D803
J7032
B C E
R802
TP810
Q801
TP809
R803
51
PV-20DF25 / PV-27DF25 / PV-27DF5 / PV-20DF25-K / PV-27DF25-K
L1621
12
13
D864
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED BY THE SIGN
14
SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY.
D865
P852
WHEN REPLACING ANY OF THESE COMPONENTS,
P851
USE ONLY THE SPECIFIED PARTS.
TP851
TP852
C864
16
D860
*
1 Note
C871
C1603
There are 2 types of EEPROM IC (IC6004) used
R857
on the Main C.B.A. (DIP TYPE and SOP TYPE)
D858
C861
However, these are same reliability.
D857
1
R856
C873
C856
OR
5
3
4
2
IC850
1
Fig. 1
Be sure to install DIP type IC from the component
side as shown in Fig. 1.
Be sure to intall SOP type IC from the foil side as
L850
shown in Fig. 2.
HOT
1
P801
2
F801
6.3A 125V/250V
3
P802
OPTICAL
AUDIO
D9509
OUT
D9511
1
JK1601
D9501
1
2
D9516
3
AUDIO OUT
JK9501
R9501
R9503
4
3
1
J9503
8
5
5
C9503
1
4
AUDIO IN
2
JK9502
VIDEO IN
IC9501
D9504
J9504
D9503
C9504
R7023
Q9501
Q7021
J9502
R7022
E
B
R9509
C
E
B
C
E
C
C9510
C7022
R7003
7
6
1
17
U7001
UHF/VHF
TUNER/TV
DEMODULATOR
C7002
UNIT
C7040
D7004
D7003
D7001
L7001
DEMODULATOR
C7001
CIRCUIT
LSJB2220
MAIN C.B.A. LSEP2220B/LSEP2220A
PV-20DF25/PV-20DF25-K/PV-27DF25/PV-27DF25-K/PV-27DF5
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PV-20DF25
A
PV-20DF25-K
B
PV-27DF25
C
PV-27DF25-K
D
PV-27DF5
E
HAVE
Fig. 2
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