Setting Inspection
Voltage Confirmation
A board
Description
Test point
Voltage
PNL12V
TP4059
12.0V ± 1.2V
SUB5V
TP5221
5.18V ± 0.25V
USB1
TP8711
5.10V ± 0.25V
USB2
TP8701
5.10V ± 0.25V
USB3
TP8705
5.10V ± 0.25V
USB-WiFi
TP8718
5.20V ± 0.28V
SUB3.3V
TP5201
3.31V ± 0.15V
HDMI3.3V
TP4514
3.35V ± 0.17V
SUB_AI_3.3V
TP2206
3.30V ± 0.17V
LNB_PWR1
TP6702
18.0V ± 1.0V
LNB_PWR2
TP6703
18.0V ± 1.0V
DEMOD1V0
TP5705
1.02V ± 0.10V
SUB_CI_5V
TP6406
5.1V ± 0.25V
SUB_CI_5V-B
TP6506
5.1V ± 0.25V
DSP1.8V
TP3404
1.8V ± 0.09V
EMMC1.8V
TP5240
1.80V ± 0.09V
STB3.3V
TP5290
3.36V ± 0.15V
VCCK1.0V
TP8200
1.02V ± 0.05V
CPU1.0V
TP8201
1.00V ± 0.10V
PMIC5.3V
TP8202
5.30V ± 0.25V
GPU1.0V
TP8204
1.00V ± 0.10V
STB1.2V
TP8203
1.20V ± 0.06V
STB1.05V
TP8205
1.05V ± 0.06V
DDR_VPP_2.5V
TP8206
2.51V ± 0.12V
DDR_VTT
TP8404
0.60V ± 0.05V
P board
Description
Test point
Voltage*
Voltage**
64V
TP7850-7852 and GND TP7407-7409
<1V
68V ± 10V
16V
TP7850-7852 and GND TP7407-7409
<
1V
16V ± 0.6V
5V
TP7417 and GND TP7407-7409
5.25V ± 0.2V
5.25V ± 0.2V
PFC
TP7201-7203 and
GND TP7204-7206***
<340V
390V ± 15V
* Connect AC 230V to JK7101 connector of P-PCB.
** Set main switch is ON (SUB_ON to 2.5V), PWM1-2 and BL_ON signals are connected 3.3V.
*** Beware , for testing of PFC use the GND (TP7204-7206) in Hot area of P board – risk of electric shock.
13
Содержание TX-49GXF937
Страница 35: ...Parts Location 3 47 16 15 22 29 17 21 11 SCREW 6 THE5ZC043N 1pcs 6 2 2 43 SCREWS 2 XYN4 F12FJ 6pcs 10 35 ...
Страница 38: ...Location of Heat Rubber and Gasket A PCB FA02 GA01 38 ...
Страница 39: ...Location of Heat Rubbers HEATSINK A BTM Bottom View FA01 FA03 FA04 FA05 FA06 FA07 FA08 FA09 39 ...
Страница 40: ...Location of Gasket GK301 HEATSINK A BTM A PCB 40 ...
Страница 41: ...Location of Sponges SPEAKER R SPEAKER L FK301 FK302 41 ...
Страница 42: ...Packing Structure 25 26 35 27 TV SET Pedestal asy 42 ...