Setting Inspection
Voltage Confirmation
A board
Description
Test point
Voltage
PNL12V
TP4059
12.0V ± 1.2V
SUB5V
TP5221
5.18V ± 0.25V
USB1
TP8705
5.10V ± 0.25V
USB2
TP8711
5.10V ± 0.25V
USB-WiFi
TP8718
5.20V ± 0.25V
SUB3.3V
TP5201
3.33V ± 0.15V
HDMI3.3V
TP4514
3.35V ± 0.17V
SUB_AI_3.3V
TP2206
3.30V ± 0.17V
STB_1.5V
TP8101
1.50V ± 0.07V
SUB1.0V
TP8103
1.02V ± 0.05V
AVDD1.0V
TP8102
1.06V ± 0.05V
LNB_PWR1
TP6702
18.0V ± 1.0V
T2_1.1V
TP5705
1.14V ± 0.11V
DSP1.8V
TP3404
1.14V ± 0.09V
EMMC1.8V
TP5240
1.80V ± 0.09V
P board
Description
Test point
Voltage*
Voltage**
64V
TP7408/09 and GND
<
1V
68V ± 10V
16V
TP7410/11/12 and GND
<
1V
16V ± 0.6V
5VS
TP7405/20 and GND
5.25V ± 0.2V
5.25V ± 0.2V
PFC
TP7201/02 and GND TP7203/04***
<340V
390V ± 15V
* Connect AC 230V to JK7101 connector of P-PCB (Main switch is OFF ( SUB_ON is LOW)).
** Set main switch is ON (SUB_ON(TP7419), BL_ON(TP7518), PWM1(TP7517) signals are connected 3.3V).
*** Beware, for testing of PFC use the GND (TP7203/04) in Hot area of P board – risk of electric shock.
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Summary of Contents for TX-49FXW584
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