Norcent LT2790BK, Руководство по обслуживанию

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27’’ LCD TV Norcent LT2790BK
47
VCC3_3
R724 0 1/16W
C757
0.01uF
FIL_VD
C445
0.1uF
C4E6
0.1uF
Pin 53
+ C744
10uF/16V
Pin 62
FB500
600 OHM
C756
0.1uF
FIL_VD
C510
0.1uF
C402
0.1uF
VCC1V8_DM
OREN
U701B
CAS-220/CS
5
6
7
9
15
17
22
23
30
33
35 37
45
46
53
55
60
62
69
70
73
74
75
76
77
78
81
82 83
84
85
86
87
88
91
92
95
98
99
3
Vcor
GND
GND
Vcor1
GND
Vdd
Vcor2
GND
Vdd
GND
GND Vcor3
GND
Vdd
Vcor4
GND
GND
Vdd
Vcor5
GND
GND
Vcc(A1)
VccLO
GND
GND
VccCLK
GND
Vdd_OSC GND
AVdd_PLL
GND
Vcc_PLL
Vcc_ADC
GND
GND
GND
GND
GND
AVcc_ADC
TEST
C4E7
0.1uF
C516
0.1uF
C760
0.01uF
Supply Bypass, Tuner Demodulator
VCC1V8_DM
VCC2_5
C523
0.1uF
C524
0.1uF
VCC2_5
C521
0.1uF
C4F2
0.1uF
C751
0.1uF
U504B
MST9883C-140
39
42
45
46
51
52
59
62
11
22
23
69
78
79
26
27
34
35
1
10
20
21
24
25
28
32
36
40
41
44
47
50
53
60
61
63
68
80
VD
VD
VD
VD
VD
VD
VD
VD
VDD
VDD
VDD
VDD
VDD
VDD
PVDD
PVDD
PVDD
PVDD
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Pin 69
VCC3V3_DM
+ C534
47uF/16V
C526
0.1uF
VCC2_5
C525
0.1uF
C752
0.1uF
C4H1
0.1uF
C4E0
0.1uF
C762
100pF
C4E5
0.1uF
Pin 86
PLL_PVD
C446
0.1uF
VCC3V3_DM
C4E8
0.1uF
FIL_VD
DDR SDRAM
(PWR)
U403B
NT5DS16M16CS-5T
49
3
6
34
18
14
9
12
15
1
33
48
52
55
58
61
64
66
17
19
25
43
50
53
VREF
VDDQ1
VSSQ1
VSS1
VDD2
NC1
VDDQ2
VSSQ2
VDDQ3
VDD1
VDD3
VSS2
VSSQ3
VDDQ4
VSSQ4
VDDQ5
VSSQ5
VSS3
NC2
NC3
NC4
NC5
NC6
NC7
Pin 37
C513
0.1uF
C454
0.1uF
Pin 46
FIL_VDD
DDR SDRAM
(PWR)
U402B
NT5DS16M16CS-5T
49
3
6
34
18
14
9
12
15
1
33
48
52
55
58
61
64
66
17
19
25
43
50
53
VREF
VDDQ1
VSSQ1
VSS1
VDD2
NC1
VDDQ2
VSSQ2
VDDQ3
VDD1
VDD3
VSS2
VSSQ3
VDDQ4
VSSQ4
VDDQ5
VSSQ5
VSS3
NC2
NC3
NC4
NC5
NC6
NC7
Pin 74
FIL_VD
C755
0.1uF
C531
0.1uF
C527
0.1uF
C452
0.1uF
VREF 5
VREF
Pin 30
C511
0.1uF
Pin 78
C739
0.01uF
PLL_PVD
FIL_VDD
U500
AP1117-33
3 2
1
VI VO
GND
VCC2_5
C4E3
0.1uF
C740
1uF
Pin 17
C519
0.1uF
FB712 600 OHM
1 2
C515
0.1uF
Supply Bypass, A/D Converter
C749
0.001uF
C520
0.1uF
C512
0.1uF
C750
0.001uF
FB714 600 OHM
1 2
C4D8
0.1uF
FB502
600 OHM
C4F0
0.1uF
Power and Ground 2
C518
0.1uF
VCC1V8_DM
FIL_VDD
Pin 9
PLL_PVD
C738
1uF
C758
100pF
C761
0.01uF
U501
AP1117-33
3 2
1
VI VO
GND
C401
0.1uF
C439
0.1uF
C509
0.1uF
VCC3V3_DM
VCC1V8_DM
C747
0.0015uF
C522
0.1uF
C4F5
0.1uF
PLL_PVD
FB713 600 OHM
1 2
+ C743
10uF/16V
C4E1
0.1uF
+ C529
47uF/16V
C4E4
0.1uF
C517
0.1uF
D5V
+ C530
47uF/16V
VCC2_5
+
C535
47uF/16V
VCC2_5
C4E9
0.1uF
Pin 5
FB501
600 OHM
VCC3V3_DM
DDR Bypass Caps
C514
0.1uF
C4D9
0.1uF
D
Page 17 - Power and Ground 2
A3
17 19 Wednesday, May 17, 2006
715T1961-
Title
Size Document Number Rev
Date: Sheet of
D5V
C754
0.1uF
C748
560pF
C759
0.01uF
C528
0.1uF
+
C532
47uF/16V
VCC2_5
FIL_VDD
C508
0.1uF
C745
0.0015uF
C746
560pF
C403
0.1uF
C741
1uF
C753
0.001uF
VCC2_5
C742
0.01uF
Pin 22
VREF
C453
0.1uF
VCC3V3_DM