DOWNLOAD LG 50PA6500-UG (CHASSIS:PU23A) Service Manual ↓ Size: 11.43 MB | Pages: 48 in PDF or view online for FREE

Model
50PA6500-UG (CHASSIS:PU23A)
Pages
48
Size
11.43 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pa6500-ug-chassis-pu23a.pdf
Date
PREV: LG 50PA6500-UA (CHASSIS:PU21A) Service Manual

LG 50PA6500-UG (CHASSIS:PU23A) Service Manual ▷ View online

■ IC606 (+3.3V/AZ1085S)
Vin
Vout
3-4. LDO/DC-DC Start up 
■ IC605 (+5V_TU/TPS54231)
Vin
Ve
n
Vo
Io
3-5. GP2R I2C MAP
SATURN7R
SATURN7R
DDCR_CK/GPIO72
DDCR_DA/GPIO71
EEPROM
0xA0
Ch2
EEPROM
0xA0
Ch2
<I2C-SCL>
<I2C-SDA>
HDCP
EEPROM
0xA8
Ch2
HDCP
EEPROM
0xA8
Ch2
+3.3
V
<EEPROM-SCL>
<EEPROM-SDA>
2.2K (R480,R482)
(N22)
(M22)
TGPIO2/I2C_CLK
TUNER
TDTJ-S001D   0x10/C2
Ch6
TUNER
TDTJ-S001D   0x10/C2
Ch6
TGPIO3/I2C_SDA
(R3)
(T3)
<TU_SCL>
<TU_SDA>
+3.3V_T
<SCL1>
<SDA1>
4.7K (R319,R326)
AMP STA338BWG13TR
0x38
Ch5
AMP STA338BWG13TR
0x38
Ch5
<AMP_SDA>
<AMP_SCL>
+3.3
V
2K (R360,R359)
(U1)
TGPIO1/DNGAIN
TGPIO0/UPGAIN
(U2)
LG8300
0x74
Ch4
LG8300
0x74
Ch4
(F13)
(G14)
<P_SCL>
<P_SDA>
MODULE
0x1C
Ch4
MODULE
0x1C
Ch4
+3.3
V_A
VDD
<MODULE_SCL/3DF_SCL>
3.3K (R1412,R1411)
I2S_IN_SD/GPIO176
SPDIF_IN/GPIO177
<MODULE_SDA/3DF_SDA>
4.7K (R780,R781)
ISP
ISP
DDCA_CK/UART0_RX
DDCA_DA/UART0_TX
(B5)
(A5)
<RGB_DDC_SCL>
<RGB_DDC_SDA>
EEPROM
RGB 0xA0
Ch8
EEPROM
RGB 0xA0
Ch8
+5.0
V_ST
<DDC_SCL/UART_RX>
<DDC_SDA/UART_TX>
10K (R237,R247)
+5V_HD
MI
HDMI1,2,3
0xA0 Ch10,12,11
HDMI1,2,3
0xA0 Ch10,12,11
DDC_SCL/SDA_1~3
10K
1 (R208,209)
2 (R233,234)
3 (R256,257)
+3.3V_S
T
TOUCH
0x52
Ch7
TOUCH
0x52
Ch7
SUB_SCL
I2S_IN_WS/GPIO174
I2S_IN_BCK/GPIO175
(F15)
(F14)
SUB_SDA
G_EYE
0x20
Ch7
G_EYE
0x20
Ch7
4.7K (R635,R633)
4. LM1 Power Block optimization.
1. GP2R vs LM1 Power Block.
5.1V
17V
1.24V core
1.5V DDR
TPS65253(3A)
AP2191
USB
3.5V
St.
3.3V ST
AP2121
LM1 Power Block 
Amp
1.26V Core
AOZ1073 3A 
1.5V DDR
AOZ1073 3A 
2.5V
LDO 
3.3V AVDD
LDO (3A) 
1.25V Tuner
LDO 
3.3V Standby
LDO(AP2121)
FET SW
GP2R Power Block
5.1V
17V
St 5V
5V Tuner
TPS54231 2A 
Amp
3.3V Multi 
LDO (3A)
1V 3D core
AOZ1073 3A 
3.3V 3D
LDO (3A)
1.8V 3D DDR
LDO 
AP2191
USB
DC/DC : 4 
LDO : 7
DC/DC : 2
LDO : 4
3.3V Multi
TPS54327(3A)
1.25V _TU
LDO (1A)
1.8V Tuner
LDO (1A)
2.5V
LDO (1A) 
1
7
V
4-1. P_17V
C620
10uF
25V
3216
C621
0.1uF
50V
2012
17V to 3.3V
TPS54327
(3A, $0.14)
L605
2.2uH
3.5A
4.9x4.9
OP-Amp
for SC
Audio
AMP
C667
0.1uF
50V
1608
C668
68uF
35V
8PI/6.3H
Buffer for
CI_ADDR
[0:7]
+3.3V
C629/50
10uF
16V
→6.3V
3216
→1608
0.00586↓
change
C630
0.1uF
16V
1005
+3.3V_CI
C643
0.1uF
50V
1608
C638
C646
0.1uF
50V
1608
Audio
AMP
C627
10uF
6.3V
1608
L604
120 Ohm
2A
1608
+3.3V_TU
C614
0.1uF
16V
1005
C615
10uF
16V
→6.3V
3216
→1608
change
Tuner
3.3V to 1.8V
AP1117E18G
(850mW)
C631
10uF
6.3V
1608
C618
0.1uF
16V
1005
L101
120 Ohm
2A
1608
C137
0.1uF
16V
1005
Spec) 850mV↓
16mVrms
283mVpp
Spec) 165mV ↓
8.66mVrms
37.5mVpp
Spec) 165mV↓
23.4mVrms
166.6mVpp
Spec) 165mV↓
8.5mVrms
186.6mVpp
Spec) 90mV↓
4.6mVrms
41.6mVpp
17V to 12V
TPS54231D
(2A)
C693
10uF
25V
3225
C694
0.01uF
50V
1005
LNB
C711
10uF
16V
3216
C712
0.1uF
50V
1608
Spec) 165mV ↓
4.7mVrms
46.6mVpp
Spec) 165mV ↓
13.5mVrms
158mVpp
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