Noblex 21TC647 Service Manual
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Chassis Block Diagrams-4-SYSTEM CONTROL13 KEY SWITCH IN KEYSWITCHSCL3029815SDAPOWER ON/OFF PHOTO COUPLE(ON=HIGH, OFF=LOW)IC201VIDEO / CHROMASLAVE ADDRESSIC801CPUQXXAVB3382522232421203327281110734 ADJUSTMENT DATA INOSD BLK OUTOSD RED OUTOSD GREEN OUTOSD BLUE OUTDEFLECTIONCIRCUITHORIZ. SYNC IN (ACTIVE=LOW)VERT. SYNC IN (ACTIVE=LOW)POWER PROTECT IN(POWER ERROR=LOW)POWER CIRCUITetc.SCLSDAIC802MEMORYOSC32.768KHZ CPU OSC OUTCPU OSC INLEDON-TIMER LED OUT (ON=LOW)RC SIGNAL IN(ACTIVE=LOW)RC PRE-AMP.5SOUND MUTE OUT(ACTIVE=HIGH)IC001AUDIO AMP.A101TUNERRESET IN (RESET=LOW) 17X'TAL-SW1(PAL-M) ON=HIGH37X'TAL-SW2(PAL-N) ON=HIGH3819 VIDEO SIGNAL INRELAY OUT FOR DEGAUSSING(ON=HIGH) 612STEREO/MONO OPTIONHIGH(OPEN)=MONO, LOW=STEREOPIP OPTION HIGH(OPEN)=NON, LOW=PIP |
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