Panasonic KX-TS2365RUB Service Manual ▷ View online
13.5. Tone Detect
This circuit is used to sense the status of the line (busy tone or dial tone) during Auto Redial.
13.5.1.
Circuit operation
D101
→
Q101
→
C201
→
R201
→
R205
→
Pin 5 of IC201
→
Pin 1 of IC201
→
D202
→
R208
→
Q201
When the subscriber hangs-up, check the intermittent tone. If cycle tone is detected, the collector of Q201 goes to a low logic.
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KX-TS2365RUB
13.6. Initializing Circuit
13.6.1.
Function
This circuit is used to initialize the microcomputer when it incorporates batteries.
13.6.2.
Circuit operation
When the batteries is inserted into the unit, then the voltage is shifted by D304 and power is supplied to the CPU. The set can
operate beyond point A in the circuit voltage diagram.
operate beyond point A in the circuit voltage diagram.
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KX-TS2365RUB
14 CPU DATA
14.1. IC801
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KX-TS2365RUB
15 HOW TO SET THE FLASH TIME AND REDIAL TIME
*Refer to SCHEMATIC DIAGRAM (P.40)
15.1. Flash Time
D901—D904 are used for default setting.
When you change the flash time, do the following procedure.
In case the program should be set frequency, change the default at D901—D904, then set the program.
0= Without
1= With
15.2. Redial Time
0= Without
1= With
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KX-TS2365RUB
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