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PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7
LED on the Main P.C.B. for Digital CH
- D8801: Sync Lock LED
(When Sync of Digital packet (MPEG2) is locked by IC8802, it lights up in RED)
- D8802: Error LED
(When MPEG data has many errors (Block noise in screen), it flickers in RED. In normal condition, it is off)
CN5500
L5502
HDMI IN 2
B
Q5505
C
19
E
TP5015
TP5011TP5013
TP5037
5
D5500
IC5500
510
D5506
8
D5502
D5509
D5504
R5529
TP5035 C5510
37
48
1
IC5503
12
13
24
TP5060
TP5024
R5931
C5585
C5584
C5593
C5598
C5563
C5580
C5579
C5594
C5595
C5562
C5555
C5547
TP5050
C5559
L5000
C5550
C5560
C5565
5540
C5539
C5538
C5543
R5609
R5628
R5615
C5566
P5040
X5500
<Normal condition>
D8801 RED/D8802 OFF
Circuit from Tuner through IC8802 (Front End) is working good.
<Error condition>
D8801 OFF/D8802 OFF
Possibility: Tuner or IC8802 (Demodulator) is not working.
1. Check solder first.
D8801 ON/D8802 flickers RED
Possibility: AGC is not working. (IC8801 or Tuner)
1. Check solder first.
Note:
If received signal level is too low, D8801 goes off.
CN5501
R5546
HDMI IN 1
Q5504
B
1
C
19
E
TP5021
TP5017 TP5019
TP5033
4
5
D5501
IC5501
D5516 D5509 D5505
1
8
D5523
D5503
R5505
D5521
D5511
D5507
C5511
R5531
TP5031
TP5048
R5560
TP5008
TP5000
C5008 C5007
36
C5005
C5006
TP5002
R5676
25
C5010
2
30
CN5503
29
1
TP5004
R5641
FL5505
C5606
L5521
FL5504
C5612
TP5006
L5520
C5613
TP5058
C5597
C5611
TP5054
C5614
TP5052
C5601
C5610
C5577
C5587
C5576
R5019
TP5515
R5622
R5033
Q5002
FL5502
TP5056
C
C5570
C5020
B
E
L5515
R5053
C
Q5001
1
8
B
E
C5019
C5607
IC5509
R5629
R5052
4
5
C5623
R5661
R5544
R5006
C5509
4
1
R8862
R8887
C8908
TP8825
TP8824
R8861
TP8827
108
109
TP8826
R8860
TP8812
R8823
R5552
FL8801
R8858
R8822
TP8811
FL8802
IC8802
D5528
R8815
TP8815
R8801
144
1
C8877
C8874
R8871
R8841
TP5038
TP8816
IC5508
5
4
1
3
C5000
C5599
TP5044
R8477
55
TP5042
R8420
R8471
R8474
R8440
R8419
R8500
R8448
R8411
R8446
R8412
R8443
26
C8914
D8801
D8802
73
72
R8927
R8870
D8803
R8899
R8889
Q8803
1
6
3
4
R8811
C8892
R8809
C8887
R8808
R8810
37
36
C8890
C8881
C8885
C8880
1
2
R8842
R8843
C8872
X8801
CN8801
19
20
56
R8473
R8470
R8425
R8453
D8801
D8802
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