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4.4. Service Position for KA-Board
1. Remove the Speaker Grille.
2. Remove the Terminal Door by (4) screws.
2. Remove the Terminal Door by (4) screws.
3. Remove the KA-Board.
4.5. VOLTAGE CHART
D-BOARD
A-BOARD
SUPPLY
TEST POINT
VOLTAGE
12V ~ GND
A5 PIN9
11.9 ± 0.45V
TNR-5V ~ GND
IC001 PIN3
5.0V ± 0.4V
9V ~ GND
IC058 PIN3
9.0V ± 0.4V
8V ~ GND
IC2000 PIN2
8.0V ± 0.4V
5V ~ GND
IC2002 PIN3
5.0V ± 0.4V
3.3V ~ GND
IC065 PIN2
3.2V ± 0.2V
2.5V ~ GND
IC1402 PIN4
2.5V ± 0.25V
Heater Voltage And High Voltage
TPLB3(+) ~ TPLB2(-)
6.3 ± 0.24VRMS
High Voltage
31.5+1.0KV,-1.5KV
13
TX-51P950M / TX-51P950X / TX-43P950M / TX-43P950X
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