Read LG 50PT255C-TA (CHASSIS:PP11K) 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.
Key / Power / LVDS / Option
TXCE0-
TXCE0+
TXCE1-
TXCE1+
TXCE2-
TXCE2+
TXCLKE-
TXCLKE+
TXCE3-
TXCE3+
TXCE4+
TXCO0-
TXCO0+
TXCO1-
TXCO1+
TXCO2-
TXCO2+
TXCLKO-
TXCLKO+
TXCO3-
TXCO3+
TXCO4-
TXCO4+
TXCE4-
TXCE0-
TXCE0+
TXCE1-
TXCE1+
TXCE2-
TXCE2+
TXCLKE-
TXCLKE+
TXCE3-
TXCE3+
TXCE4-
TXCE4+
TXCO0-
TXCO0+
TXCO1-
TXCO1+
TXCO2-
TXCO2+
TXCLKO-
TXCO3+
TXCO4-
TXCO4+
R217
110
1/10W
1%
R243
100K
IR
C234
22uF
16V
22uF
16V
3225
R213
3.6K
3.6K
C226
330uF
4V
R215
10K
1/16W
5%
+3.3V_MPLL
TXCLKO+,TXCLKO-,TXCO0+,TXCO0-,TXCO1+,TXCO1-,TXCO2+,TXCO2-,TXCO3+,TXCO3-,TXCO4+,TXCO4-
C224
0.1uF
16V
0.1uF
16V
C214
10uF
16V
10uF
16V
ROM_RX
ROM_RX
EYE_SCL
SPK_R+_HOTEL
+1.2V_MST
ROM_SDA
R212
40.2
40.2
1/10W
1%
1%
R227
4.7K
4.7K
HOTEL
R232
22
22
HOTEL
IC204
MP2305DS
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
R246
10.5K
10.5K
1%
L803
10uH
10uH
C235
0.1uF
AC_DET
ROM_TX
RL_ON/POWER_ON
+17V_TI
C232
READY
C221
0.1uF
C204
READY
R200
4.7K
1/16W
5%
C228
0.1uF
HOTEL
+5V_TU
C231
0.01uF
ZD200
READY
R224
4.7K
4.7K
HOTEL
R223
10K
C233
4700pF
50V
IR_OUT
C210
0.01uF
R201
10K
10K
1/16W
5%
5%
R211
75
1%
1%
1/16W
C236
READY
ROM_SDA
AUDIO_R
Q200
RT1C3904-T112
E
B
C
R245
3.6K
ROM_SCL
C218
22uF
16V
22uF
16V
3225
R207
100K
P_SDA
C227
0.01uF
25V
ZD201
READY
C201
0.01uF
25V
Q201
RTR030P02
S
D
G
C206
22uF
22uF
16V
R202
10K
1/16W
5%
C200
22uF
22uF
16V
L202
33uH
33uH
C216
0.01uF
0.01uF
25V
ROM_SCL
C229
10uF
16V
16V
TXCLKO+,TXCLKO-,TXCO0+,TXCO0-,TXCO1+,TXCO1-,TXCO2+,TXCO2-,TXCO3+,TXCO3-,TXCO4+,TXCO4-
P_SDA
+5V_ST
DISP_EN
SW_RESET
P_SCL
IC202
AZ1117H-ADJTRE1
2
VOUT
3
VIN
1
ADJ/GND
+17V_TI
+5V_ST
C217
4700pF
50V
+5V_ST
C223
READY
C215
READY
+3.3V_MPLL
P603
12507WS-15L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
KEY2
C211
0.01uF
25V
R225
330
330
1/10W
1%
1%
+3.3V_MPLL
C205
0.01uF
25V
0.01uF
25V
R219
10K
KEY1
L203
0
0
1/4W
5%
5%
M5V_ON
R226
4.7K
R221
4.7K
L201
MLB-201209-0120P-N2
120-ohm
ERROR_DET
P200
SMAW200-H18S1
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
15
10
5
19
+5V_MULTI
+5V_MULTI
+5V_ST
IC201
MP2305DS
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
R236
100
+17V_TI
R222
4.7K
R247
READY
+1.8V_DDR
+3.3V_MPLL
IC200
AP2121N-3.3TRE1
1
GND
2
VOUT
3
VIN
+3.3V_MPLL
C212
0.01uF
25V
0.01uF
25V
+3.3V_MST
C238
READY
DISP_EN
R231
100
C213
READY
P204
12507WS-08L
HOTEL
1
2
3
4
5
6
7
8
9
R203
100
+3.3V_MPLL
RL_ON/POWER_ON
LED_R
AC_DET
IC205
AZ1117BH-ADJTRE1
2
OUTPUT
3
INPUT
1
ADJ/GND
R216
READY
TOUCH_VER_CHK
ROM_TX
R240
10K
P201
TF05-51S
HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
C209
0.01uF
25V
SPK_R-_HOTEL
C202
10uF
25V
25V
IC203
AZ1085S-3.3TR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
C230
READY
R208
68K
5
%
R230
100
100
Q202
2SC3052
2SC3052
HOTEL
E
B
C
R220
10K
R209
1K
READY
+3.3V_MPLL
EYE_SDA
C207
10uF
16V
10uF
16V
L200
CB3216PA501E
C220
0.01uF
25V
0.01uF
25V
R244
3.9K
1%
1%
P_SCL
P205
104060-8017
FHD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
C208
100uF
16V
16V
C219
100uF
16V
16V
C222
100uF
16V
16V
C225
100uF
16V
16V
C237
100uF
16V
16V
Hotel Option
KEY/IR Interface
MAX 300mA
12mA
16mA
MAIN SUB MICOM
MAIN I2C PULL UP
RS232C-TRANCEIVER
CEC LEVEL SHIFT
MAIN I2C PULL UP
RS232C-TRANCEIVER
CEC LEVEL SHIFT
DDR2 & Vref
85mA
1391mA
MAX 1A
TYPICAL 3A
59mA
MAIN IC : 4 PAGE
1420mA
1420mA
3.2A / P-CHANNEL
356mA
1.899V
Power Block
2 4
Key / Power
LVDS Block
HOTEL OPTION
EAX64103901(BPR)
H6 Revolution Circuit Diagram
H6 Revolution Circuit Diagram
H6RR
2010/11/1
C7
R4
C1
R1
C5
C8
C2
C9
R5
R3
V=0.923X(1+R1/R3)=7.2V
THE RECOMMANDED VALUE OF R3 IS 10K
THE RECOMMANDED VALUE OF R3 IS 10K
R2
D1
L1
TUNER
C6
D1
V=0.923X(1+R1/R3)=1.266V
THE RECOMMANDED VALUE OF R3 IS 10K
THE RECOMMANDED VALUE OF R3 IS 10K
R1
MAIN IC CORE
C2
R2
C5
C6
R5
C9
R4
OUT:1.27V
C8
L1
C7
C1
930mA
R3
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