TX-40ESR500
31
8 Measurements and Adjustments
8.1.
Voltage chart of A-board
Set A-Board to a dummy set and check the satisfaction with the specified voltage as following table.
8.2.
Voltage chart of P-board
Set P-Board to a dummy load and check the satisfaction with the specified voltage as following table.
Power Supply Name
Measurement Point
Specification
PNL12V
TP5260
12.1V ± 0.8V
SUB5V
TP5221
5.1V ± 0.25V
USB1
TP8701
5.1V ± 0.25V
USB2
TP8705
5.1V ± 0.25V
USB-WiFi
TP8718
5.14V ± 0.25V
SUB3.3V
TP5011
3.32V ± 0.165V
HDMI3.3V
TP4514
3.35V ± 0.17V
SUB_AI_3.3V
TP2206
3.32V ± 0.165V
STB_1.5V
TP8101
1.50V ± 0.07V
SUB1.2V
TP8100
1.20V ± 0.06V
EU_TU_1.8V
TP5704
1.84V ± 0.1V
LNB_PWR1
TP6702
18V ± 1.0V
DTMB_1.2V
TP5705
1.20V ± 0.12V
Output
Test Point
Step 1
Step 2
16V
TP7508/ TP7509/ TP7510
<1V
15.8V ± 0.5V
5.3VS
TP7507
5.3 ± 0.3V
5.3 ± 0.3V
24V
TP7511/ TP7512/ TP7527
<30V
24 ± 4V
LED ANODE
TP7801/ TP7802/ TP7803
<30V
50V ± 4V
PFC390V
TP7202
-
390V ± 10V
*HOT
Step 1 Supply AC 230V to JK7101 connector in the P-Board. Main power button is OFF.
Step 2 SUB-ON pin: TP7506, BL-ON pin: TP7518/ BL-PWM-pin:TP7517 and supplies to ON DC5V the
SW. Main power supply ON.
Summary of Contents for TX-40ESR500
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