LG 50PZ950B-SA (CHASSIS:PB12A) Service Manual ▷ View online
V
Test Scenario
(1) Set TV in adj. mode using Power Only Key
(2) HDMI 1.4 Frame Packing 3D images are input to the 3D
(2) HDMI 1.4 Frame Packing 3D images are input to the 3D
Video Player
(3) Check the 3D Video Display.
(4) RF emitter signal is correctly received to RF receiver, the
(4) RF emitter signal is correctly received to RF receiver, the
lamp of RF tester turn on
(Pattern Generator MSPG-3233, HDMI mode NO. 371 ,
pattern No. 81)
11. GND and ESD Testing
V
Prepare GND and ESD Testing.
- Check the connection between set and power cord
(1) Operate GND and ESD auto-test.
(2) Fully connected (Between set and power cord) set enter
(2) Fully connected (Between set and power cord) set enter
the Auto-test sequence.
(3) Connect D-Jack AV jack test equipment.
(4) Turn on Auto-controller(GWS103-4)
(5) Start Auto GND test.
(6) If its result is NG, then notice with buzzer.
(7) If its result is OK, then automatically it turns to ESD Test.
(8) Operate ESD test
(9) If its result is NG, then notice with buzzer.
(10) If its result is OK, then process next steps. Notice it with
(4) Turn on Auto-controller(GWS103-4)
(5) Start Auto GND test.
(6) If its result is NG, then notice with buzzer.
(7) If its result is OK, then automatically it turns to ESD Test.
(8) Operate ESD test
(9) If its result is NG, then notice with buzzer.
(10) If its result is OK, then process next steps. Notice it with
Good lamp and STOPER Down.
(11) Check Items.
1) Test Voltage
GND: 1.5KV/min at 100mA
Signal: 3KV/min at 100mA
Signal: 3KV/min at 100mA
2) Test time: just 1 second.
3) Test point
3) Test point
- GND test: Test between Power cord GND and Signal
cable metal GND.
- ESD test: Test between Power cord GND and Live
and neutral.
4) Leakage current: Set to 0.5mA(rms)
12. SW Download Guide.
* Put a *.bin to USB Stick and Turn on TV
(1) Put the USB Stick to the USB socket
(2) Automatically detecting update file in USB Stick
(2) Automatically detecting update file in USB Stick
* If your downloaded program version in USB Stick is Low,
it didn’t work.
But your downloaded version is High, USB data is
automatically detecting.
automatically detecting.
(3) Show the message “Copying files from memory”
(4) Updating is staring.
(5) Updating Completed, The TV will restart automatically.
After turn on TV, Please press ‘IN-STOP’ button on ADJ
Remote-control.
* IF you don’t have ADJ R/C, enter ‘Factory Reset’ in
Remote-control.
* IF you don’t have ADJ R/C, enter ‘Factory Reset’ in
OPTION MENU.
(6) When TV turn on, check the Updated version on
Product/Service Info. MENU.
* After downloading, have to adjust TOOL OPTION again.
- 13 -
- 14 -
BLOCK DIAGRAM
- 15 -
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
303
209
208
400
580
201
601
200
300
301
207
304
202
302
203
240
604
520
602
501
590
204
205
206
120
910
570
540
560
900
305
A10
A9
LV1
A12
A2
A13
A23
A4
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.
NAND_DATA[7]
NAND_DATA[6]
NAND_DATA[5]
NAND_DATA[4]
NAND_DATA[3]
NAND_DATA[2]
NAND_DATA[1]
NAND_DATA[0]
CI_ADDR[8]
CI_ADDR[13]
CI_ADDR[7]
CI_ADDR[2]
CI_ADDR[12]
CI_ADDR[6]
CI_ADDR[11]
CI_ADDR[3]
CI_ADDR[4]
CI_ADDR[9]
CI_ADDR[14]
NAND_DATA[7]
NAND_DATA[4]
NAND_DATA[6]
NAND_DATA[2]
NAND_DATA[0]
NAND_DATA[5]
NAND_DATA[1]
NAND_DATA[3]
CI_ADDR[5]
CI_ADDR[10]
SCL2_3.3V
SDA2_3.3V
C106
4.7uF
P101
TJC2508-4A
OPT
1
VCC
2
SCL
3
SDA
4
GND
R110
1.5K
1.5K
+3.3V_Normal
R109
1.5K
1.5K
+3.3V_Normal
SOC_RESET
R124
1K
OPT
R125
1K
+3.3V_Normal
C112
0.1uF
NAND_ALE
NAND_CEb
FLASH_WP
NAND_WEb
NAND_REb
NAND_CLE
SCL0_3.3V
SDA0_3.3V
+3.3V_Normal
R113
10K
R114
10K
OPT
OPT
R118
10K
R117
10K
OPT
R123
10K
OPT
R122
10K
R128
10K
R127
10K
OPT
CI_ADDR[4]
NAND_DATA[7]
NAND_DATA[2]
NAND_DATA[1]
R115
10K
R112
10K
+3.3V_Normal
R119
10K
OPT
R111
10K
OPT
R116
10K
OPT
R120
10K
CI_ADDR[3]
CI_ADDR[2]
NAND_ALE
R146
10K
NAND_DATA[0]
CI_ADDR[8]
NAND_CLE
NAND_DATA[3]
NAND_DATA[6]
NAND_DATA[5]
NAND_DATA[4]
+3.3V_Normal
R141
4.7K
R173
4.7K
R169
0
0
+3.3V_Normal
IC103
M24M01-HRMN6TP
NVR_1M
3
E2
2
E1
4
VSS
1
NC
5
SDA
6
SCL
7
WP
8
VCC
C116
0.1uF
+3.3V_Normal
SDA3_3.3V
SCL3_3.3V
HDMI_RX1-
HDMI_RX0+
HDMI_RX2-
HDMI_CLK+
HDMI_RX2+
R106
3K
3K
HDMI_RX1+
HDMI_CLK-
HDMI_RX0-
R189
1M
1M
OPT
54MHz_XTAL_P
54MHz_XTAL_N
54MHz_XTAL_P
54MHz_XTAL_N
R108
12K
BCM_RX
BCM_TX
CI_ADDR[2-14]
R132
4.7K
R144
22
OPT
R145
22
OPT
R142
22
OPT
R143
22
OPT
R101
4.7K
CI_ADDR[9]
CI_ADDR[13]
CI_ADDR[11]
CI_ADDR[12]
R154
10K
OPT
R160
10K
OPT
R167
10K
OPT
R170
10K
R175
10K
OPT
R177
10K
R179
10K
OPT
R181
10K
OPT
R183
10K
R187
10K
OPT
R192
10K
OPT
R155
10K
R161
10K
R168
10K
R171
10K
OPT
R176
10K
R178
10K
OPT
R180
10K
R182
10K
R184
10K
OPT
R188
10K
R193
10K
NAND_RBb
C102
4700pF
R107
2.7K
C104
10uF
10V
NAND_ALE
+3.3V_Normal
C101
0.1uF
NAND_DATA[0-7]
NAND_CLE
NAND_WEb
+3.3V_Normal
NAND_CEb
NAND_REb
C103
0.1uF
R103
4.7K
OPT
FLASH_WP
+3.3V_Normal
R174
4.7K
OPT
R172
4.7K
OPT
NAND_RBb
+3.3V_Normal
R140
560
1%
1%
NAND_DATA[0-7]
R135
33
R136
33
R191
33
R190
33
+3.3V_Normal
R134
33
OPT
R133
33
OPT
5V_HDMI_4
5V_HDMI_2
5V_HDMI_3
5V_HDMI_1
R130
2K
2K
OPT
TXB2P
TXA0P
TXA1P
TXB0P
TXA2N
TXA0N
TXBCLKP
TXB1N
TXACLKP
TXB4P
TXB1P
TXACLKN
TXB0N
TXA4P
TXB4N
TXB2N
TXBCLKN
TXB3P
TXA3P
TXA2P
TXB3N
TXA1N
TXA4N
TXA3N
C115
8pF
8pF
OPT
C117
8pF
8pF
OPT
C107
33pF
50V
33pF
50V
OPT
C108
33pF
50V
33pF
50V
OPT
C109
33pF
50V
33pF
50V
OPT
C110
33pF
50V
33pF
50V
OPT
C111
0.01uF
+3.3V_Normal
JTAG_RESET
+3.3V_Normal
R166
1K
OPT
OPT
R163
1K
OPT
OPT
P102
12505WS-10A00
OPT
1
/TRST
2
TDI
3
TDO
4
TMS
5
TCK
6
/RST
7
DINT
8
VIO
9
GND
10
GND
11
GND
R153
1K
OPT
R147
1K
OPT
R162
1K
OPT
R156
1K
OPT
R159
1K
OPT
R150
1K
OPT
JTAG_RESET
R139
0
OPT
R164
10K
OPT
R165
10K
CI_ADDR[6]
R157
10K
OPT
R158
10K
CI_ADDR[7]
CI_ADDR[5]
CI_ADDR[10]
CI_ADDR[14]
R100
22
R102
22
R148
22
R195
0
+3.3V_Normal
R197
4.7K
R149
0
0
R151
10K
10K
BSS83
Q102
S
B
D
G
C118
0.1uF
16V
0.1uF
16V
RGB_DDC_SDA
+3.3V_Normal
RGB_DDC_SCL
C119
0.1uF
16V
0.1uF
16V
BSS83
Q101
S
B
D
G
+3.3V_Normal
R198
10K
10K
R1902
0
OPT
R1901
0
OPT
R1900
0
OPT
NAND_CEb2
NAND_CEb2
R138
0
R137
0
HDMI_ARC
R105
4.7K
R104
4.7K
+5V_Normal
R121
2.2K
2.2K
R126
2.2K
2.2K
R131
2K
2K
R129
2K
2K
IC102
TC58DVG3S0ETA00
TOSHIBA_8GBIT
26
NC_17
27
NC_18
28
NC_19
29
I/O1
30
I/O2
31
I/O3
32
I/O4
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
PSL
40
NC_24
41
I/O5
42
I/O6
43
I/O7
44
I/O8
45
NC_25
46
NC_26
47
NC_27
48
NC_28
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
RY/BY
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
MED62210801
OPT
M100
X101
54MHz
SUNNY_54MHz
4
GND_2
1
X-TAL_1
2
GND_1
3
X-TAL_2
X101-*1
54MHz
KDS_54MHz
4
GND_2
1
X-TAL_1
2
GND_1
3
X-TAL_2
C113
12pF
12pF
C114
12pF
R186
0
R185
0
LGE35230
IC101
HDMI0_CLKN
B5
HDMI0_CLKP
C5
HDMI0_D0N
A4
HDMI0_D0P
B4
HDMI0_D1N
A3
HDMI0_D1P
B3
HDMI0_D2N
A2
HDMI0_D2P
B2
CEC
W2
DDC0_SCL
V4
DDC0_SDA
W4
HDMI0_HTPLG_IN
V3
HDMI0_HTPLG_OUT
V2
HDMI0_ARC
D13
HDMI0_RESREF
E6
TXOUT0_L0N
AE27
TXOUT0_L0P
AE28
TXOUT0_L1N
AF27
TXOUT0_L1P
AF28
TXOUT0_L2N
AG27
TXOUT0_L2P
AG28
TXCLK_LN
AE26
TXCLK_LP
AF26
TXOUT0_L3N
AH27
TXOUT0_L3P
AG26
TXOUT0_L4N
AF25
TXOUT0_L4P
AE25
TXOUT0_U0N
AH26
TXOUT0_U0P
AG25
TXOUT0_U1N
AE24
TXOUT0_U1P
AD24
TXOUT0_U2N
AH25
TXOUT0_U2P
AF24
TXCLK_UN
AE23
TXCLK_UP
AD23
TXOUT0_U3N
AG24
TXOUT0_U3P
AF23
TXOUT0_U4N
AC22
TXOUT0_U4P
AD22
TXOUT1_L0N
AG23
TXOUT1_L0P
AH23
TXOUT1_L1N
AE22
TXOUT1_L1P
AE21
TXOUT1_L2N
AF22
TXOUT1_L2P
AH22
TXCLK1_LN
AG22
TXCLK1_LP
AF21
TXOUT1_L3N
AG21
TXOUT1_L3P
AF20
TXOUT1_L4N
AD21
TXOUT1_L4P
AC21
TXOUT1_U0N
AG20
TXOUT1_U0P
AH20
TXOUT1_U1N
AD19
TXOUT1_U1P
AE19
TXOUT1_U2N
AF19
TXOUT1_U2P
AH19
TXCLK1_UN
AE18
TXCLK1_UP
AD18
TXOUT1_U3N
AG19
TXOUT1_U3P
AF18
TXOUT1_U4N
AG18
TXOUT1_U4P
AF17
LT0VCAL_MONITOR
AC18
GPIO_BL_ON
AH16
BL_PWM/GPIO
AG16
LGE35230
IC101
TVM_XTALIN
AG6
TVM_XTALOUT
AF6
IRRXDA
V5
FP_IN0
AB4
FP_IN1
Y4
SPARE_ADC1
AA4
SPARE_ADC2
Y5
FS_IN1
AB2
FS_IN2
AB5
VGA_SDA
U3
VGA_SCL
U2
RDA
Y2
TDA
Y1
BSCDATAA
AA3
BSCCLKA
AA2
RDB/GPIO
H3
TDB/GPIO
H2
BSC_S_SCL
H4
BSC_S_SDA
H5
NMIB
F25
POWER_CTRL
W5
AON_HSYNC
U5
AON_VSYNC
U4
AON_GPIO_36
W3
AON_GPIO_37
W1
AON_RESETOUTB
AB6
TVM_BYPASS
Y6
RESETB
Y3
RESETOUTB
G24
TMODE
J6
TESTEN
W6
VDAC_VREG
F7
VDAC_RBIAS
E7
FAD_7
AB1
FAD_6
AB3
FAD_5
AC1
FAD_4
AC2
FAD_3
AC3
FAD_2
AD2
FAD_1
AD3
FAD_0
AE2
FALE
AG1
FCEB_0
AF1
FCEB_1
AC5
FCEB_2
AE6
FCEB_3
AG5
NFWPB
AF3
FWE
AG2
FRD
AE3
FRDYB
AA5
FA_0
AF2
FA_1
AE1
FA_2
AC4
FA_3
AD5
FA_4
AD4
FA_5
AE4
FA_6
AE5
FA_7
AD6
FA_8
AH3
FA_9
AF4
FA_10
AH4
FA_11
AG4
FA_12
AF5
FA_13
AG3
FA_14
AH2
FA_15
AH5
TRSTB
AD15
TDI/GPIO
AF14
TDO
AH14
TMS/GPIO
AD14
TCK/GPIO
AG14
DINT/GPIO
AC16
AVS_VFB
AH7
AVS_VSENSE
AG7
AVS_RESETB
AD7
AVS_NDRIVE_1
AF7
AVS_PDRIVE_1
AH8
VDAC_1
C6
VDAC_2
D7
R152
0
0
NVR_256K
IC103-*1
M24256-BRMN6TP
NVR_256K
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WC
8
VCC
BBS CONNECT
0000: ST Micro M25P or compatible Serial Flash
0010: 8-bit 512Mbit 512B page SLC NAND Flash devices
0100: 8-bit 128, 256Mbit 512B page SLC NAND Flash devices
0110: 8-bit 1Gbit 2KB page SLC NAND Flash devices
1000: 8-bit 2Gbit, 4Gbit, 8Gbit 2KB page SLC NAND Flash devices
1010: 8-bit 8Gbit, 16Gbit, 32Gbit 4KB page SLC NAND Flash devices (O)
0001: 8-bit 8/16/32Gbit 2KB page MLC NAND Flash devices
0011: 8-bit 16/32Gbit 4KB page MLC NAND Flash devices
0101: 8-bit 32Gbit 8KB page MLC NAND Flash devices
0111: 3B dual IO Serial Flash
1001: BB dual IO Serial Flash
1011: fast Serail Flash > 50Mhz
1100: OneNAND Flash (always 16-bit)
1110: Reserved
1101, 1111: Reserved
0010: 8-bit 512Mbit 512B page SLC NAND Flash devices
0100: 8-bit 128, 256Mbit 512B page SLC NAND Flash devices
0110: 8-bit 1Gbit 2KB page SLC NAND Flash devices
1000: 8-bit 2Gbit, 4Gbit, 8Gbit 2KB page SLC NAND Flash devices
1010: 8-bit 8Gbit, 16Gbit, 32Gbit 4KB page SLC NAND Flash devices (O)
0001: 8-bit 8/16/32Gbit 2KB page MLC NAND Flash devices
0011: 8-bit 16/32Gbit 4KB page MLC NAND Flash devices
0101: 8-bit 32Gbit 8KB page MLC NAND Flash devices
0111: 3B dual IO Serial Flash
1001: BB dual IO Serial Flash
1011: fast Serail Flash > 50Mhz
1100: OneNAND Flash (always 16-bit)
1110: Reserved
1101, 1111: Reserved
000 = ECC disabled
001 = ECC 1-bit repair
010 = ECC 4-bit BCH (O)
011 = ECC 8-bit BCH, 27 byte spare
100 = ECC 12-bit BCH, 27 byte spare
101 = ECC 8-bit BCH, 16 byte spare
110, 111 = Reservedd
001 = ECC 1-bit repair
010 = ECC 4-bit BCH (O)
011 = ECC 8-bit BCH, 27 byte spare
100 = ECC 12-bit BCH, 27 byte spare
101 = ECC 8-bit BCH, 16 byte spare
110, 111 = Reservedd
Boot ROM Device Select - (FA4,FAD7,FAD2,FAD1)
NAND ECC (FA3, FA2, FALE)
CI_ADDR[9],CI_ADDR[11],CI_ADDR[12],CI_ADDR[13]
TVM Crystal oscillator bias/gain control
0000: 210uA
0001: 390uA
0010: 570uA
0011: 730uA
0100: 890uA (O)
0111: 1290uA
1000: 1416uA
1111: 2196uA
0101, 0110, 1001, 1010, 1011, 1100, 1101, 1110: Reserved
TVM Crystal oscillator bias/gain control
0000: 210uA
0001: 390uA
0010: 570uA
0011: 730uA
0100: 890uA (O)
0111: 1290uA
1000: 1416uA
1111: 2196uA
0101, 0110, 1001, 1010, 1011, 1100, 1101, 1110: Reserved
CI_ADDR[8]:
0: RESETOUTb (in On/Off only) stay asserted until software releases them.
1: Fix amount of delay for de-assertion on RESETOUTb (in On/IOff only)
at end of RESETb pulse (O)
0: RESETOUTb (in On/Off only) stay asserted until software releases them.
1: Fix amount of delay for de-assertion on RESETOUTb (in On/IOff only)
at end of RESETb pulse (O)
NAND_DATA[3]:
0: MIPS will boot from external flash (O)
1: MIPS will boot from ROM
0: MIPS will boot from external flash (O)
1: MIPS will boot from ROM
NAND_DATA[5]:
0: FLASH MODE (0)
1: BSC_SLAVE(BBS) MODE
0: FLASH MODE (0)
1: BSC_SLAVE(BBS) MODE
Strap Setting
NAND_DATA[0]:
0: System is LITTLE endian (O)
1: System is BIG endian
0: System is LITTLE endian (O)
1: System is BIG endian
CI_ADDR[7]:
0: Disable EDID automatic Downloading from Flash (O)
1: Enable EDID automatic Downloading from Flash
0: Disable EDID automatic Downloading from Flash (O)
1: Enable EDID automatic Downloading from Flash
NAND_DATA[6] :
0: Disable OSC clock output on chip Pin (O)
1: Enable OSC clock output on chip pin.
0: Disable OSC clock output on chip Pin (O)
1: Enable OSC clock output on chip pin.
CI_ADDR[6]:
0: Host MIPS run at 500 MHz (O)
1: Host MIPS run at 250 MHz
0: Host MIPS run at 500 MHz (O)
1: Host MIPS run at 250 MHz
NAND_CLE:
0: Differential Oscillators TVM not bypassed (O)
1: Differential Oscillators TVM bypassed
0: Differential Oscillators TVM not bypassed (O)
1: Differential Oscillators TVM bypassed
NAND_DATA[4]:
0: 27MHz TVM Crystal Frequency
1: 54MHz TVM Crystal Frequency (O)
0: 27MHz TVM Crystal Frequency
1: 54MHz TVM Crystal Frequency (O)
A8’h
NVRAM
54MHz X-TAL
NAND FLASH MEMORY 8Gbit
Write Protection
- High : Normal Operation
- Low : Write Protection
- Low : Write Protection
Write Protection
- Low : Normal Operation
- High : Write Protection
- High : Write Protection
BCM REFRENCE is 562ohm
31
1
MAIN & NAND FLASH
BCM35230
FOR HDMI STANDARD
APPLY ONLY WHEN CONNECT TO PULL-UP GPIO
APPLY ONLY WHEN CONNECT TO PULL-UP GPIO
**JTAG OPT
R139, R147, R150, R153, R156, R159,
R162, R163, R166, P102
Click on the first or last page to see other 50PZ950B-SA (CHASSIS:PB12A) service manuals if exist.