Voltage Chart Of P-Board; Measurements And Adjustments; Voltage Chart Of A-Board - Panasonic TX-40ESR500 Service Manual

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.
Output
16V
5.3VS
24V
LED ANODE
PFC390V
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
Power Supply Name
PNL12V
SUB5V
USB1
USB2
USB-WiFi
SUB3.3V
HDMI3.3V
SUB_AI_3.3V
STB_1.5V
SUB1.2V
EU_TU_1.8V
LNB_PWR1
DTMB_1.2V
Test Point
TP7508/ TP7509/ TP7510
TP7507
TP7511/ TP7512/ TP7527
TP7801/ TP7802/ TP7803
TP7202
SW. Main power supply ON.
Measurement Point Specification
TP5260 12.1V ± 0.8V
TP5221 5.1V ± 0.25V
TP8701 5.1V ± 0.25V
TP8705 5.1V ± 0.25V
TP8718 5.14V ± 0.25V
TP5011 3.32V ± 0.165V
TP4514 3.35V ± 0.17V
TP2206 3.32V ± 0.165V
TP8101 1.50V ± 0.07V
TP8100 1.20V ± 0.06V
TP5704 1.84V ± 0.1V
TP6702 18V ± 1.0V
TP5705 1.20V ± 0.12V
Step 1
<1V
5.3 ± 0.3V
<30V
<30V
-
31
TX-40ESR500
Step 2
15.8V ± 0.5V
5.3 ± 0.3V
24 ± 4V
50V ± 4V
390V ± 10V *HOT