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KX-FL403UA (serv.man7) - Panasonic Fax Service Manual Supplement (repair manual). Page 12

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12
KX-FL403UA
2.2.4.
TRA(+) BIAS (Transfer(+) BIAS)/TRA(-) BIAS (Transfer(-) BIAS) UNIT
[Changed from original section “7.14.3. TRA(+) BIAS (Transfer(+) BIAS)/TRA(-) BIAS (Transfer(-) BIAS) UNIT”]
7.14.4. TRA(+) BIAS (Transfer(+) BIAS)/TRA(-) BIAS (Transfer(-) BIAS) UNIT
When CHG REM is “L” and TRA CLK is “open”, Charge BIAS(180
PA) is output from CHG OUTPUT, and at the same time Trans-
fer(+)BIAS(800V) is output from TRA OUTPUT. When 5.425kHz PWM(Plus Width Modulation) signal is input to TRA CLK through
transistor Q208, Transfer(-) CURRENT BIAS corresponding to PWM signal is output from TRA OUTPUT.
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