SECTION 3 TEST MODE
BASE UNIT
1. How to enter the test mode 1-1. Manual test mode Set the [DIAL MODE] switch to �P� (Pulse). While pressing the [PAGE] key, switch on the power supply. (Reset start) With the [PAGE] key still held down, switch the [DIAL MODE] switch �P� (Pulse)n�T� (Tone)n�P� (Pulse). When you release the [PAGE] key, test mode starts. If you release the [PAGE] key during this process, the machine operates in normal mode. <How to Release the Test Mode> � Pull out the AC adapter and turn off the power. 1-2. Machine test mode Set the [DIAL MODE] switch to �P� (Pulse). If you switch on the power with the TEST I/O port (IC501 !� pin) set to high (connect TP7 to TP608), the machine enters test mode.
[BASE MAIN BOARD] (Component Side)
21 20 TP7
22
25
TEST MODE terminal
15 TP608 IC501 35 30
( Short ::Test mode ) Open Normal
10
5 40 1 42
<How to Release the Test Mode> 1) Pull out the AC adapter and turn off the power. 2) Remove the short plug and turn on the power again.
