9 CIRCUIT BOARD LAYOUT
9.1. MAIN C.B.A.
COMPARISON CHART
OF MODELS & MARKS
PV-20DF25
PV-20DF25-K
PV-27DF25
PV-27DF25-K
PV-27DF5
A
B
C
D
E
MODEL
MARK
PV-20DF25/PV-20DF25-K/PV-27DF25/PV-27DF25-K/PV-27DF5
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.
MAIN C.B.A. LSEP2220B(A, B) / LSEP2222A (C, D, E)
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
MAIN C.B.A. LSEP2220B/LSEP2220A
There are 2 types of EEPROM IC (IC6004) used
on the Main C.B.A. (DIP TYPE and SOP TYPE)
However, these are same reliability.
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
shown in Fig. 2.
Fig. 1 Fig. 2
OR
*
1 Note
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED BY THE SIGN HAVE
SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,
USE ONLY THE SPECIFIED PARTS.
6.3A 125V/250V
P6301
SW6303
SW6307
SW6301
SW6308
SW6302
SW6318
SW6309
L1621
D864
D866
D865
POWER CIRCUIT
12
3
4
5
6
7
8
9
1110
12
13
14
SYSTEM CONTROL CIRCUIT
P5501
P5502
1
2
13
12
LSJB2220
R6313
R6312
R6311
R6303
R6117
R6028
R6029
R6026
R6023
R6022
R6016
R6012
R6317
R6318
R6316
R6123
R6124
R6095
C6016
R6005R6006
R6014R6015
R6017
R6027
R6115
R6116
R6114
R6119
R6039
R6050
R6054
R6056
R6401
R6060
R6062
R6063
R6064
R6404
R6512
R6515
R6041
R6520
R6122
R6517
J6001
J6002
R6042
C6004
C6006
C6409
C6401
C6402
C6405
C6403
C6407
C6034
C6035
D6006
D6005
C6404
C6406
C6033
C6032
L6403
L6404
L6405
L6406
R6065
R6066
R6067
R6068
R6071
R6516
R6522
R6514
R6070
R6069
R6072
C6408
C6048
J6401
L6402
R6025
C6001
C6011
C6007
C6009
C6002
X6001
C6031
1
1
8
8
5
5
4
4
C6030
R6306
R6301
R6302
R6307
L6401
L6011
C6010
C6008
C6012
D6010
C6105
C6036
D6003
R6118
D6002
REAR JACK CIRCUIT
HOT CIRCUIT
DEMODULATOR
CIRCUIT
Do not touch!
CAUTION
HOT
HOT
HOT
HOT
COLD
COLD
SUB POWER
CIRCUIT
1
7
IC6005Q6003
Q6004
Q6006
Q6005
R6113
R6112
R6174
R6035
R6043
R6121
W6072
R6519
R6036
R6518
R5512
R5517
R5515
R5511
R5604
R5303
R5304
R5308
R5305
R5309
C5602
C5305
C5302
R5329
C5604
R5514
C5510
R5504
R5405
R5510
R5505
R5513
R5506
R5406
C5511
C5517
C5505
C5603
D5504
D5505
D5304
C5605
C5601
C5904
C5903
C5303
C5932
D5612
C5907
C5908
C5906
C5403
TP5505
TP5308
TP5305
TP5312
TP5402
C5902
BCE
R5306
R5933
R5404
R5402
C5402
C5502
R5502
R5310
R5362
C5364
R5301
R5363
R5508
L5901
D5501
R5503
R5311
R5314
R5315
R5328
R5902
R5622
R5618
R5619
R5616
R5621
R5620
C5618
C5617
R5615
C5619
R5903
C5901
R5327
R5302
TP5310
R5316
R5512
R5513
TP5401
TP5506
TP5301
TP5303
TP5503
TP5501
TP5302
R6408
R6051
R6058
R6059R6402
R6403
R6061
R6511
R6513
C6413C6412
C6411
C6414
R6047
D6009
C6005
C6003
R6120
R6098
R6130
R6129
R6093
R6090
R6089
R6086
R6085
R6081
R6080
R6079
R6078
R6073
1
1
64
3
100
TP6013
TP6106
TP6007
TP6111
TP6101
TP6104
TP6099
C6037
C6026
C6027
TP6008
TP6009
IC6001
80
50
30
31
51
81
D6004
IC6004
CH
UP
SKIP -
SKIP +
CH
DOWN
VOL +
VOL -
POWER
I
H
G
F
E
D
C
B
A
Y/C TV JUNGLE CIRCUIT
D5301
C5507
C5508
C5506
C5516
D5302
D5303
X5501
X5601
25
36 37
24
48
1
1213
IC5301
Q5302
R5403
C5501
C5401
C5905
R5401
R5361
D5354
D5353
R5501
Q5303
Q5301
Q5354
Q5353
Q5612
Q5614
Q5613
Q5355
C5934
C5301
C5307
R5932
D5611
R5674
Q5901
C4710
R4703
D4704
D4701
D4702
D4706
D4705
J5301
D5310
D5309
D5308
D5307
D4593
D4594
D4703
R4701
R5321
C4702
C4703
R4704
R4705
R4706
C4707
R4707
C4709
TP4011
TP4592
TP4591
L4503
L4502
D4591
D4592
D4587
C4701
D4588
R4591
R4592
R4594
R4593
JK4591
J4593
J4703
C4708
R4702
C4704
C4705
C4706
J4702
L4501
5
41
8
IC4701
Q4701
J4701
L4701
VIDEO IN (L)
JK4701
TP5019
TP4014
AUDIO IN(R)
FRONT JACK CIRCUIT
2 LINE DEGI COM CIRCUIT
L5661
L5653
J5901
J5902
C5678
C5675
C5657
C5664
C5654
C5656
R5651
R5652
FL5651
C5669
C5671
C5672
C5358
R5662
R5653
R5659
R5657
R5666
C5681
C5670
R5673
C5673
R5679
R5676
L5654
C5677
C5653
C5674
L5652
R5664
R5661
R5677
R5656
R5655
C5665
C5660
C5668
C5662
C5659
C5658
R5660
R5665
R5356
R5658
L5658
TP5651
TP5652
IC5351
Q5653
Q5658
Q5357
Q5359
Q5651
16
1
1
1
4
21
1
2
8
9
IC5651
Q5652
P4501
P5302
P4502
P6001
1
3
C5661
W5629
W5628
L5655
5
D5311
C9004
TP9554
D6008
D6007
C9008
C9003
L9001
L9509
C9002
C9007
C9005
C9009
C9012
R9002
R9003
C9001
C9027
C9010
R9006
R9007
C9016
C9018
J9001
C9013
C9014
C9015
C9017
R9004
P5504
1
16
17
32
IC6001
TP9001
C9022
C9006
C9026
C9011
C9021
C9024
C9019
R9005
R9001
R9008
TP9002
C804
D802
C802
C9502
C9506
C9505
C9501
D9515
R9502
R9510
L9501
TP9553
TP4004
TP9501
TP4001
C803
L802
RL801RL591
TP810
TP809
D803
D592
R802
BCE
BCE
R591
J801
D591
R804
D804
D806
D805
C807
C809
D807
C806
C808
R592
R803
Q591
Q801
R9503
J9503
C9503
14
5
8
R9501
D9507
D9508
D9512
L4504
J1201
D9502
D9501
D9505
D9513
D9516
D9514
C1622
D9510
D9506
D9511
D9509
P802
P801
JK1601
JK9501
JK9502
J9504
C9508
C9504
R9504
R9505
R9507
R9506
R9509
R9508
C9507
3
1
1
2
1
2
3
3
4
5
D9504
D9503
C9510
J9502
Q9501
IC9501
D7004
D7003
D7001
L7001
C7001
C7040
C7002
C7013
C7012
C7011
C7009
C7008
R7002
R7001
C7007
C7006
C7005
C7004
C7003
C7015
U7001
R7003
R7022
R7023
C7022
J7032
L7002
J7031
D7002
R7021
R7033
C7021
17
7
6
1
Q7031
Q7021
J9501
2
1
F801
COLD
COLD
C805
C801
C857
D801
R801
L801
R805
L850
L857
R855
R850
D854
D863
D856
R860
C859
R858
R1621
C1621
L1601
C855
R851
R853
L858
C858
C870
C869
5
1
2
4
3
C873
C856
R852
R866
IC850
D857
D858
R857
R856
1
T850
8
916
D860
D861
D859
C863
L855
PR850
C864
C871
D862
C872
L856
C867
C868
C861
C1603
TP851
TP852
J851
C865
C1028
C1031
L1004
P851
P852
L1001
C1001
D1001
43
2
1
C1005
R1005
R1003
R1002
R1001
C1011
C1013
D1017
R1006
C1015
C1010
C1009
R1004
D1005
D1004
D1002
D1008
D1009
D1006
C1008
C1016
R1008
R1010
R1009
IC1001
L1003
C1007
C1050
C1004
C1018
L1009
C1027
D1016
C1006
4
3
7
5
4
3
D1021
8
2
R1011
D1010
D1011
D1013
C1020
C1026
L1007
C1025
C1017
C1030
C1038
R1020
L1006
C1024
C1003
D1015
18
10
L1005
D1019
C1035
C1036
C1032
C1033
R1018
R1017
D1018
C1029
R1013
R1016
R1014
IC4501
U4501
R1012
C1021
R1015
3
1
13
45
1
2
IC1002
IC1003
1
13
IC1005
IC1006
P1006
IC1004
C1019
5
1
11
L1602
1
1
5
C1023
C1022
C1034
D1020
J5502
TP5504
R5381
R5383
R5382
C5381
R6175
TP5313
TP4508
TP4509
R4502
R4505
R4506
C4505
C4619
C4628R4611
R4610
R4607
R4608
R4605
C4603
C4601
C4609
C4612
C4606
C4602
C4604
C4614
R4609
C4627
C4607
C4605
C4502
C4509
C4611
C4610
C4613
C4617
C4623 C4624
C4629
C4622
C4621
C4625
C4353
C4354
C4355
C4356
C5366
C5365
R4353
R4351
C4620
C4618
C4510
C4616
L4601
C4615
C4608
R4606
C4503
C4504
R4503
R4504
Q5381
D6011
R1223
C4507
C4508
C4506
C4501
12
1
24
13
IC4601
D4601
C4626
R4603
R4601
R4602
R4368
R4352
TP4202
TP4201
R4604
Q4356
Q4352
Q4354
Q4351
Q4355
R4366
J4302
C4358
C4357
C4359
R4356
R4358
TP4502
R4312
R4301
R4304
R4315
R4313
TP4501
TP4507
R4365
R4354
R4355
R4367
R4360
C4360
Q4353
IC4301
1
8
9
16
R4306
R4314
C4301
C4302
C5352
C4304
C4306
R4371
R4373
R4310
R4309
C4308
C4372
R4372
C4307
C4351
C4352
R4305
R4303
R4302
R4374
J4371
D4353
D4354
R4307
R4308
Q4304
Q4303
Q4302
Q4301
P4801
P5503
1
2
16
15
L4351
C4305
C4303
85
41
IC4351
4
1
85
R5352
R5351
C5351
C5356
TP5009
C4371
J4501
T1001
COLD
COLD
HOT
DEG
C1002
L5301
C1216
C1212
C1210
C1211
C1207
C1204
C1203
C1205
C1214
C1209
C1208
C1202
R1212
R1208
R1205
L1201
C1206
D1202
D1201
D1203
C1201
R1225
R1221
R1220
R1224
15
IC1201
Q1201
BCE
Q1206
R1222
E
C
BE
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
1
3
46
HOT CIRCUIT. BE CAREFUL AND USE AN ISOLATION TRANSFORMER WHEN SERVICING.
OPTICAL
AUDIO
OUT
AUDIO IN
VIDEO IN
AUDIO OUT
UHF/VHF
TUNER/TV
DEMODULATOR
UNIT
*
1
Z6203
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
TYPE 6.3A 125V/250V
6.3A 125V/250V
PV-20DF25 / PV-27DF25 / PV-27DF5 / PV-20DF25-K / PV-27DF25-K
51
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