Read LG 42PQ1100-ZE (CHASSIS:PD92A) Service Manual online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
0 . 1 u F
50V
50V
C547
0 . 1 u F
50V
50V
C548
+1.8V_TU
+3.3V_TU
0 . 1 u F
50V
50V
C549
0 . 1 u F
50V
50V
C550
0 . 1 u F
50V
50V
C551
0 . 1 u F
50V
50V
C552
0 . 1 u F
50V
50V
C553
0 . 1 u F
50V
50V
C554
0 . 1 u F
50V
50V
C557
0 . 1 u F
50V
50V
C558
18pF
50V
50V
C502
+3.3V_TU_XE
TUNER_SIF_IF_N
005:A11
0 . 1 u F
16V
C504
+1.8V_TU_XE
0 . 1 u F
16V
C505
0 . 1 u F
16V
C508
+3.3V_TU_XE
CM2012F2R2KT
L507
0 . 1 u F
16V
C509
0 . 1 u F
C510
TUNER_CVBS_IF_P
0 . 1 u F
16V
16V
C512
0 . 1 u F
16V
C513
1000pF
50V
C514
18pF
50V
50V
C515
0 . 1 u F
C517
0 . 1 u F
C518
+3.3V_TU_XE
0 . 1 u F
16V
C519
+3.3V_TU_XE
+1.8V_TU_XE
4.99K
1%
R504
1000pF
50V
C521
0 . 1 u F
16V
C522
+1.8V_TU_XE
0 . 1 u F
16V
C525
+1.8V_TU_XE
IF_AGC
0 . 1 u F
C528
0 . 1 u F
16V
C529
56pF
50V
C532
SDA_D_TU
SCL_D_TU
XC5000_RESET_N
0
R508
SAM2333
D501
OPT
A2[GN]
C
A1[RD]
47K
R509
OPT
33
R510
+3.3V_TU_CE
+1.8V_TU_CE
DTV_IF_P
SCL_D_TU
TU_TS_CLK,TU_TS_DATA[0-7],TU_TS_SYNC,TU_TS_VAL
33
R511
0 . 1 u F
16V
16V
R512
+1.8V_TU_CE
33
R513
10K
R515
22pF
C538
OPT
+3.3V_TU_CE
0 . 1 u F
50V
50V
C539
33
R516
33
R517
33
R518
33
R519
DTV_IF_N
0 . 1 u F
16V
16V
R520
+3.3V_TU_CE
100K
OPT
R521
CE6355_RESET_N
33
R522
33
R523
0.1uF
16V
C541
+1.8V_TU_CE
10K
R524
22pF
C542
OPT
+1.8V_TU_CE
SDA_D_TU
10K
OPT
R526
+3.3V_TU_CE
+3.3V_TU_CE
33
R527
33
R528
33
R529
10K
R530
TU_SLEEP_MODE
0 . 1 u F
16V
C544
OPT
+3.3V_TU_CE
1K
R532
IF_AGC
0 . 1 u F
C520
4.7K
R525
R525
OPT
C568
+3.3V_TU_XE
0 . 1 u F
16V
16V
C1211
10
R507
0 . 1 u F
16V
16V
C516
10uF
16V
16V
C555
10uF
16V
16V
C556
+3.3V_TU
+3.3V_TU_XE
+3.3V_TU_CE
+1.8V_TU_CE
+1.8V_TU
+1.8V_TU_XE
20.48MHz
X500
CB3216PA501E
L511
CB3216PA501E
L513
CB3216PA501E
L510
CB3216PA501E
L512
0 . 1 u F
16V
C524
0 . 1 u F
16V
C507
0.1uF
16V
C503
0 . 1 u F
16V
C501
0.1uF
16V
C526
0 . 1 u F
16V
C527
100
R558
OPT
100
R559
OPT
XC5000
IC500
1
VDDA_1
2
IN1
3
GND_1
4
IN2
5
GND_2
6
EXTCHOKE
7
GND_3
8
VDDA_2
9
VDDA_3
10
VDDC_1
11
GND_4
12
VDDC_2
13
VDDC_3
14
VDDA_4
15
VAGC
16
VIF
17
VDDA_5
18
SIF
19
GND_5
20
VDDC_4
21
VDDA_6
22
GND_6
23
VDDD_1
24
TESTMODE
25
DDI1
26
VDDC_5
27
DDI2
28
ADDRSEL
29
X2
30
GND_7
31
X1
32
EXTREF
33
VDDD_2
34
SCL
35
SDA
36
GND_8
37
RESET
38
VI2C
39
VDDC_6
40
VREF_N
41
VREF_P
42
VDDC_7
43
VDDC_8
44
REXT
45
VDDA_7
46
GND_9
47
VDDC_9
48
VDDA_8
39pF
C531
0603CS-R27XGLW
270nH
L505
120pF
C530
0603CS-R39XGLW
390nH
L504
1008CS-821XGLC
820nH
C546
27pF
50V
50V
C540
27pF
50V
50V
C543
22K
R533
1nF
50V
C545
0
R531
RCLAMP1521P
D502
OPT
0603CS-6N8XGLW
6.8nH
L508
CE6355
IC501
1
VSS_1
2
VDD_1
3
VSS_2
4
CLK1
5
DATA1
6
IRQ
7
CVDD_1
8
VSS_3
9
RESET
10
SLEEP
11
STATUS
12
SADD4
13
VDD_2
14
VSS_4
15
SADD3
16
SADD2
17
SADD1
18
SADD0
19
CVDD_2
20
VSS_5
21
PLLVDD
22
PLLGND
23
XTI
24
XTO
25
VSS_6
26
PLLTEST
27
OSCMODE
28
AVDD
29
AGND_1
30
VIN
31
VIN
32
AGND_2
33
VDD_3
34
RFLEV
35
CLK2/GPP0
36
DATA2/GPP1
37
CVDD_3
38
VSS_7
39
CVDD_4
40
VSS_8
41
AGC2/GPP2
42
AGC1
43
GPP3
44
SMTEST
45
VDD_4
46
VSS_9
47
MOSTRT
48
MOVAL
49
MDO0
50
MDO1
51
MDO2
52
MDO3
53
MDO4
54
VDD_5
55
VSS_10
56
MDO5
57
MDO6
58
MDO7
59
CVDD_5
60
VSS_11
61
MOCLK
62
BKERR
63
MICLK
64
CVDD_6
31.875MHz
X501
RCLAMP0502B
D503
C1
A
C2
KCN-ET-0-0094
JK500
1
2
18pF
50V
C511
18pF
50V
C523
31.875MHz
X502
crystal_2
4
GND_2
1
X-TAL_1
2
GND_1
3
X-TAL_2
SC1_TV_VOUT
0 . 1 u F
C566
+5V_TU
0 . 1 u F
16V
16V
C561
+5V_TU
TUNER_CVBS_IF_P
390
R552
ISA1530AC1
Q501
E
B
C
680
R556
TV_CVBS+
001:M6
390
R550
ISA1530AC1
Q503
Q503
E
B
C
+5V_TU
2K
R537
390
R541
ISA1530AC1
Q502
Q502
E
B
C
2SC3875S(ALY)
Q505
0.1uF
C560
10pF
C567
100
R538
SC1_VOUT_MUTE
KRA102S
Q504
1
2
3
2.7uH
L502
0 . 1 u F
16V
16V
C565
DTV_IF_P
680
R555
+5V_TU
2.7uH
L501
0 . 1 u F
C563
390
R554
SIF+
001:V7
+5V_TU
0
R557
ISA1530AC1
Q506
E
B
C
390
R542
ISA1530AC1
Q507
E
B
C
DTV_IF_N
005:Y4
0 . 1 u F
C564
TUNER_SIF_IF_N
10pF
C562
1K
R501
1K
R502
TU_TS_VAL
TU_TS_DATA[3]
TU_TS_DATA[6]
TU_TS_DATA[5]
TU_TS_DATA[2]
TU_TS_CLK
TU_TS_DATA[7]
TU_TS_DATA[1]
TU_TS_SYNC
TU_TS_DATA[0]
TU_TS_DATA[4]
Tuner
5 1 1
EAX57566204
ACTIVE LOW
ACTIVE HIGH
NEED TO CHANGE NEW PAL SHIELD CASE
2 0 0 8 . 0 8 . 3 0
2 . E M S S 1 I m p r o v e
1 . F r a n c e A T V c h a n n e l s k i p
08.09.25 CHANGE LOAD CAP AND CRYSTAL
2 0 0 9 . 0 4 . 1 5
08.10.06 CHANGE LOAD CAP 22pF -> 27pF
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