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hi .full information for JVC GRVF1EG Service Manual its compete .Thank You
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perfect and good copies, all good readable.
within 24hrs and very cheap also.
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Great salespeople, muuito attentive recommend everyone buy this site.Obrigado by atendomento..
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everything was fine - fast, readable, worth the price
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I'm happy to get a manual from this rare old amp. The pdf is from good qualty.
KDC-3025/325/5026/G
COMPONENTS DESCRIPTION
â SWITCH UNIT (X16-2500-xx)
Ref. No. IC1 IC2 Q1,Q4 Application/Function LCD Driver Remote Control IC REMO ON SW Drives LCD Controls the unit. The power supply of IC2 is turned on when base level goes âLâ. Operation/Condition/Compatibility
â ELECTRIC UNIT (X34-3090-xx)
Ref. No. IC1 IC2 Application/Function System µ-COM E.Vol & N.C.MPX Operation/Condition/Compatibility Controls FM/AM tuner, the changer, CD mechanism, Panel, volume, and tone. Controls the source, volume, tone and FM multiplex detector. Bu5V (5V) Audio8V (8V) FM+B (8V) AM+B (8V) P-CON ANT-CON SW1 1.5~3.0 IC3 Power Supply IC 3.5~5.0 7.0~ SW2 2.0~3.0 4.0~ IC4 IC6 IC8 Q1 Q2 Q3 Q4 Q21 Q22 Q23 Power IC Muting logic IC Reset IC Surge Detection BACK-UP Detection ACC Detection SW 5V Servo Regurator Servo SW Conrtol Power Supply IC DSI lights when the base is âLâ. Q151 DSI Driver DSI turns off when the base is âHâ. DSI turns on and off when panel is taken off. Q152 Q153,Q154 Q201 Q351 Q352 Q354 Q355 Q356 Panel 5V SW ILLUMI Control Noise buffer Pre Mute SW Pre Mute SW Pre Mute SW Pre Mute SW Pre Mute SW Mutes the Rear Lch when the base is âHâ. Mutes the Rear Rch when the base is âHâ. Drives the Pre Mute sw (Q351, 352, 355, 356) when the base is âLâ. Mutes the Front Lch when the base is âHâ. Mutes the Front Rch when the base is âHâ. When the panel is attached, the base goes âLâ, turning the Tr ON to supply 5V to the panel. When panel is taken off, panel 5Vcut off. ILLUMI lights when the base of Q153 is âHâ. ILLUMI FM ON ILLUMI AM ON Audio ON Audio P-CON ON Audio P-CON P-ANT ON OUT
Amplifies the front L/R and the rear L/R to 50W maximum. Controls logic for muting. âLâ when detection voltage goes below 3.5V or less. âLâ when the back-up voltage becomes more than 24V (momentary power down). âHâ when the back-up voltage becomes less than 24V. âLâ when B.u is present. âHâ when B.u is absent or momentary power down is detected. âLâ when Acc is present. ON when the base is âLâ.
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