DOWNLOAD LG 50PT255C-TA (CHASSIS:PP11K) Service Manual ↓ Size: 14.12 MB | Pages: 96 in PDF or view online for FREE

Model
50PT255C-TA (CHASSIS:PP11K)
Pages
96
Size
14.12 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pt255c-ta-chassis-pp11k.pdf
Date
PREV: LG 50PT250-ZG / 50PT250A-ZG / 50PT250N-ZG (CHASSIS:PD13K) Service Manual

LG 50PT255C-TA (CHASSIS:PP11K) Service Manual ▷ View 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.
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
3225
R213
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
C214
10uF
16V
ROM_RX
ROM_RX
EYE_SCL
SPK_R+_HOTEL
+1.2V_MST
ROM_SDA
R212
40.2
1/10W
1%
R227
4.7K
HOTEL
R232
22
HOTEL
IC204
MP2305DS
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
R246
10.5K
1%
L803
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
HOTEL
R223
10K
C233
4700pF
50V
IR_OUT
C210
0.01uF
R201
10K
1/16W
5%
R211
75
1%
1/16W
C236
READY
ROM_SDA
AUDIO_R
Q200
RT1C3904-T112
E
B
C
R245
3.6K
ROM_SCL
C218
22uF
16V
3225
R207
100K
P_SDA
C227
0.01uF
25V
ZD201
READY
C201
0.01uF
25V
Q201
RTR030P02
S
D
G
C206
22uF
16V
R202
10K
1/16W
5%
C200
22uF
16V
L202
33uH
C216
0.01uF
25V
ROM_SCL
C229
10uF
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
1/10W
1%
+3.3V_MPLL
C205
0.01uF
25V
R219
10K
KEY1
L203
0
1/4W
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
+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
IC203
AZ1085S-3.3TR/E1
1
ADJ/GND
2
OUTPUT
3
INPUT
C230
READY
R208
68K
5
%
R230
100
Q202
2SC3052
HOTEL
E
B
C
R220
10K
R209
1K
READY
+3.3V_MPLL
EYE_SDA
C207
10uF
16V
L200
CB3216PA501E
C220
0.01uF
25V
R244
3.9K
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
C219
100uF
16V
C222
100uF
16V
C225
100uF
16V
C237
100uF
16V
Hotel Option
KEY/IR Interface
 MAX 300mA
12mA
16mA
MAIN SUB MICOM
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
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
R2
D1
L1
TUNER
C6
D1
V=0.923X(1+R1/R3)=1.266V
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
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.
Tuner / Amp / DDR
DDR2_A[11]
DDR2_D[9]
DDR2_A[9]
DDR2_A[4]
DDR2_D[1]
DDR2_A[10]
DDR2_A[12]
DDR2_D[14]
DDR2_D[4]
DDR2_D[2]
DDR2_A[2]
DDR2_D[13]
DDR2_D[6]
DDR2_A[0]
DDR2_A[1]
DDR2_D[10]
DDR2_D[0]
DDR2_A[3]
DDR2_A[8]
DDR2_A[7]
DDR2_D[12]
DDR2_D[15]
DDR2_D[11]
DDR2_A[6]
DDR2_D[8]
DDR2_A[5]
DDR2_D[5]
DDR2_D[7]
DDR2_D[3]
SPK_L-
C306
4.7uF
10V
R309
18K
C337
0.1uF
C366
0.1uF
SPK_R+
R320
3.3
C353
0.033uF
50V
SPK_L+
C369
0.1uF
R323
3.3
L309
120-ohm
C367
0.1uF
+3.3V_AVDD
C333
0.1uF
R321
3.3
L310
120-ohm
+17V_TI
AVSS
C374
0.01uF
C373
0.01uF
R314
470
+17V_TI
SPK_R-
C340
0.1uF
AVSS
R302
0
C372
0.01uF
SPK_R+
SPK_L+
SPK_R-
I2S_WS
C331
0.033uF
50V
R313
470
A_SDA
AC_DET
AVSS
R322
3.3
AVSS
SW_RESET
+3.3V_DVDD
SPK_L-
A_SCL
+17V_TI
R315
22K
R308
200
1%
C370
0.1uF
+3.3V_AVDD
+3.3V_DVDD
C332
0.033uF
50V
I2S_SDO
C341
0.1uF
C359
0.033uF
50V
I2S_MCLK
I2S_SCK
+3.3V_MST
+1.8V_DDR
+1.8V_DDR
R324
1K
R325
1K
V_REF
DDR2_MCLK
DDR2_A[0-12]
DDR2_DQS1M
DDR2_BA0
DDR2_DQM1
R338
56
DDR2_DQS1P
DDR2_BA1
DDR2_RASZ
DDR2_DQM0
V_REF
DDR2_DQS0M
R336
56
DDR2_CKE
IC303
H5PS5162FFR-S6C
Hynix
J2
VREF
J8
CK
H2
VSSQ2
B7
UDQS
N8
A4
P8
A8
L1
NC4
L2
BA0
R8
NC3
K7
RAS
F8
VSSQ3
F3
LDM
P3
A9
M3
A1
N3
A5
K8
CK
R3
NC5
L3
BA1
J7
VSSDL
L7
CAS
F2
VSSQ4
B3
UDM
M2
A10/AP
K2
CKE
R7
NC6
M7
A2
N7
A6
M8
A0
J1
VDDL
K3
WE
E8
LDQS
P7
A11
K9
ODT
A2
NC1
N2
A3
P2
A7
H8
VSSQ1
F7
LDQS
A8
UDQS
R2
A12
L8
CS
E2
NC2
E7
VSSQ5
D8
VSSQ6
D2
VSSQ7
A7
VSSQ8
B8
VSSQ9
B2
VSSQ10
P9
VSS1
N1
VSS2
J3
VSS3
E3
VSS4
A3
VSS5
G9
VDDQ1
G7
VDDQ2
G3
VDDQ3
G1
VDDQ4
E9
VDDQ5
C9
VDDQ6
C7
VDDQ7
C3
VDDQ8
C1
VDDQ9
A9
VDDQ10
R1
VDD1
M9
VDD2
J9
VDD3
E1
VDD4
A1
VDD5
B9
DQ15
B1
DQ14
D9
DQ13
D1
DQ12
D3
DQ11
D7
DQ10
C2
DQ9
C8
DQ8
F9
DQ7
F1
DQ6
H9
DQ5
H1
DQ4
H3
DQ3
H7
DQ2
G2
DQ1
G8
DQ0
DDR2_D[0-15]
DDR2_CASZ
R340
56
R341
56
+1.8V_DDR
DDR2_ODT
R339
56
R342
READY
DDR2_WEZ
DDR2_MCLKZ
+1.8V_DDR
R337
56
DDR2_DQS0P
C371
0.01uF
IC300
TAS5709PHPR
1
OUT_A
2
PVDD_A_1
3
PVDD_A_2
4
BST_A
5
GVDD_OUT_1
6
SSTIMER
7
OC_ADJ
8
NC
9
AVSS
10
PLL_FLTM
11
PLL_FLTP
12
VR_ANA
13
AVDD
14
TESTOUT
15
MCLK
16
OSC_RES
17
DVSS_1
18
VR_DIG
19
PDN
20
LRCLK
21
SCLK
22
SDIN
23
SDA
24
SCL
25
RESET
26
STEST
27
DVDD
28
DVSS_2
29
GND
30
AGND
31
VREG
32
GVDD_OUT_2
33
BST_D
34
PVDD_D_1
35
PVDD_D_2
36
OUT_D
37
PGND_CD_1
38
PGND_CD_2
39
OUT_C
40
PVDD_C_1
41
PVDD_C_2
42
BST_C
43
BST_B
44
PVDD_B_1
45
PVDD_B_2
46
OUT_B
47
PGND_AB_1
48
PGND_AB_2
C301
1000pF
50V
C302
0.1uF
C304
0.1uF
C313
0.047uF
C316
4700pF
C317
0.1uF
C318
1000pF
C319
4700pF
C320
0.047uF
C321
2200pF
C322
0.1uF
C380
0.1uF
C381
0.1uF
C382
0.1uF
C383
0.1uF
C384
0.1uF
C385
0.1uF
C386
0.1uF
C387
0.1uF
C388
0.1uF
C389
0.1uF
C395
0.1uF
16V
R304
22
R306
22
R305
22
R307
22
C309
0.1uF
+5V_TU
L300
BLM18BD102SN1D_DUP
EU
10K
R317
READY
IF_AGC_SEL
R316
100
READY
C312
4.7uF
35V
READY
C305
27pF
READY
S_SDA
R311
330
R312
330
S_SCL
C308
27pF
READY
R343
0
EU
C314
0.1uF
50V
TV_MAIN
TV_VOUT
Q301
ISA1530AC1
E
B
C
Q304
ISA1530AC1
EU
E
B
C
+5V_TU
C323
READY
MAIN_SIF
R301
4.7K
R303
READY
+17V_TI
L302
120-ohm C324
0.1uF
+17V_AMP
IC303-*1
K4T51163QG-HCE7
Samsung
J2
VREF
J8
CK
H2
VSSQ_2
B7
UDQS
N8
A4
P8
A8
L1
NC_4
L2
BA0
R8
NC_3
K7
RAS
F8
VSSQ_3
F3
LDM
P3
A9
M3
A1
N3
A5
K8
CK
R3
NC_5
L3
BA1
J7
VSSDL
L7
CAS
F2
VSSQ_4
B3
UDM
M2
A10/AP
K2
CKE
R7
NC_6
M7
A2
N7
A6
M8
A0
J1
VDDL
K3
WE
E8
LDQS
P7
A11
K9
ODT
A2
NC_1
N2
A3
P2
A7
H8
VSSQ_1
F7
LDQS
A8
UDQS
R2
A12
L8
CS
E2
NC_2
E7
VSSQ_5
D8
VSSQ_6
D2
VSSQ_7
A7
VSSQ_8
B8
VSSQ_9
B2
VSSQ_10
P9
VSS_1
N1
VSS_2
J3
VSS_3
E3
VSS_4
A3
VSS_5
G9
VDDQ_1
G7
VDDQ_2
G3
VDDQ_3
G1
VDDQ_4
E9
VDDQ_5
C9
VDDQ_6
C7
VDDQ_7
C3
VDDQ_8
C1
VDDQ_9
A9
VDDQ_10
R1
VDD_1
M9
VDD_2
J9
VDD_3
E1
VDD_4
A1
VDD_5
B9
DQ15
B1
DQ14
D9
DQ13
D1
DQ12
D3
DQ11
D7
DQ10
C2
DQ9
C8
DQ8
F9
DQ7
F1
DQ6
H9
DQ5
H1
DQ4
H3
DQ3
H7
DQ2
G2
DQ1
G8
DQ0
P300
SMAW250-H04R
1
2
3
4
Q300
2SC3875S(ALY)
READY
E
B
C
R318
270
R319
270
+17V_AMP
R344
6.8K
EU
R352
4.7K
EU
+17V_AMP
R334
6.8K
R332
5.6K
R335
6.8K
C392
33pF
Q306
2SC3875S(ALY)
EU
E
B
C
R327
4.7K
R326
4.7K
R353
4.7K
EU
C390
6800pF
50V
MNT_ROUT
R346
5.6K
EU
R347
5.6K
EU
R350
1K
EU
MNT_L_AMP
+17V_AMP
R349
10K
EU
C393
33pF
+17V_AMP
Q302
2SC3875S(ALY)
E
B
C
C394
33pF
EU
MNT_R_AMP
C396
33pF
EU
IC302
LM324D
3
IN1+
2
IN1-
4
VCC
1
OUT1
6
IN2-
5
IN2+
7
OUT2
8
OUT3
9
IN3-
10
IN3+
11
VEE/GND
12
IN4+
13
IN4-
14
OUT4
+17V_AMP
TV_LOUT
C397
6800pF
50V
EU
R351
1K
EU
R345
6.8K
EU
MNT_LOUT
Q303
2SC3875S(ALY)
E
B
C
R328
1K
C398
6800pF
50V
EU
R348
10K
EU
Q305
2SC3875S(ALY)
EU
E
B
C
R329
1K
TV_R_AMP
C391
6800pF
50V
TV_ROUT
R333
5.6K
TV_L_AMP
L307
AD-9060
EAP61008401
2S
1S
1F
2F
L308
AD-9060
EAP61008401
2S
1S
1F
2F
R330
15K
1/16W
5%
R331
15K
1/16W
5%
C307
100uF
25V
C326
100uF
25V
C303
100uF
25V
C325
100uF
25V
R300
1K
C355
0.1uF
C
3
2
7
1
u
F
C
3
2
8
1
u
F
R354
120
EU
TU300
TAFJ-Z001D(P)
5
MOPLL_AS
11
VIDEO
2
NC_2
10
NC_4
4
RF_AGC
1
NC_1
9
SIF
8
NC_3
3
+B[5V]
7
SDA
6
SCL
12
GND
13
SHIELD
TU300-*1
TAFJ-S001D(P)
PAL EU Tuner
5
MOPLL_AS
11
VIDEO
2
NC_2
10
NC_4
4
RF_AGC
1
NC_1
9
SIF
8
NC_3
3
+B[5V]
7
SDA
6
SCL
12
GND
13
SHIELD
TU300-*2
TAFJ-H001F(P)
5
MOPLL_AS
11
VIDEO
2
NC_2
10
NC_4
4
RF_AGC
1
NC_1
9
SIF
8
NC_3
3
+B[5V]
7
SDA
6
SCL
12
GND
13
SHIELD
C364
0.47uF
C363
0.47uF
C300
10uF 16V
C315
10uF 16V
This parts are Located 
on AVSS area.
Separate DGND AND AVSS
Close to DDR2 IC
DDR Memory for Main IC
Audio Amp
Tuner(7mm)
Gaim Amp for MNT out
EAX64103901(BPR)
H6 Revolution Circuit Diagram
3     4
Tuner/Amp/DDR
H6RR
AMP :GAIN X 4
2010/11/1
2007
04
P/NO : MFL34335210
Page of 96
Display

LG 50PT255C-TA (CHASSIS:PP11K) Service Manual ▷ Download

RANDOM: