Test Points On The Pc Board And List Of Voltage Values - Toshiba RAV-M240A-E Service Manual

8-3-4. Compressor does not Operate.
< Preliminary checks >
(1) Is the temperature set on the remote control higher than the room temperature in cool operation?
(2) Is contact of the crossing wiring O.K.?
< Check procedure >

8-4. Test Points on the PC Board and List of Voltage Values

The test points (TP) are indicated on the rear of the PC board.
The voltage values on the test points for defect diagnosis items are listed below.
Defect diagnosis item
Does the power relay (RY07) switch?
Is the voltage of the secondary side of
the transformer O.K.?
Is the voltage of the primary side of
the transformer O.K.?
Are both PTH terminals 5V AC or less?
Ω
Table 8-6
Point for placing the tester bar
Polarity (+) Polarity (–)
Pin 6 of RY07 Pin 5 of RY07
TP3 TP5
TP1 TP2
Either end of PTH
– 21 –
Ω Ω
Normal voltage value
Condition
When relay 12V DC
RY07 is ON. (When relay is ON.)
No load:
With load:
–
(Primary voltage is
about 230V)
– 220-240V AC
5V AC or less: normal
–
5V AC or more: abnormal
14 ± 2V
12 ± 2V