Sensor And Switches - Panasonic KX-F900 Service Manual

KX-F900 I
4-5. SENSORS AND SWITCHES
[Recording Paper Sensor (SW273)]
_N_en recording paper is present, the plate push the switch lever, the input signal of IC151-6 pin (ANALOG) becomes low
level. When the set runs out of recording paper, the plate leaves the switch lever, the input signal of IC151-6 pin (ANALOG)
becomes high level.
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SW273 R276 ,_C273
IC151
6
Analog Board
Signal (IC151-6 Pin)
Set Recording Paper Low level
No recording Paper High level
[JAM Sensor (SW272)]
When recording paper is jammed, the plate push the switch lever, the input signal of IC151-7 pin (ANALOG) becomes low
level. Usually, the plate leaves the switch lever the input signal of IC151-7 pin (ANALOG) becomes high level.
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R273
R274 i
C272
IC151
7
Analog Board
Signal (IC151-7 Pin)
JAM Low level
NO JAM High level
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