Panasonic AG-MD830E Service Manual

REEL DRIVE BLOCK DIAGRAMP2901 P2702 Ill... S-REEL YM,. [1 1 ,.DC-DCIll...P2901 P2702 T-REEL YM3 3 ,.S REEL RSFT REEL RSFS REEL FTTREELFTVREFTQV~~~~~~"----------------1-~~-t-+-+----~~--t-t----O+5Vf-='-f-----_----~rrY"'---_v_o 12VCHANGES-REELFBT-REEL FBS REEL FOTREEL FOSF PHOTO+5VTO~SOLENOID SF PHOTO~~ SR PHOTOIC2706 (1/2)8 ,...~... P2501 P2701,. ["11 11 11SERVO ... P2501 P2701"11 8 8SF PHOTOSR PHOTOIC2705 (AMP)r~----t-:i810IC2703 (AMP)6 (112)SUPPLY FWD SENSORr------,I!D~ !I tG\ :I ~'" ~:L ______ .Jr-------,I5V! 0 -() 1I tG\ I: ~'" m:L ______ .JSUPPLY REV SENSOR- ----- -----1413QR2701r::-.!.2...,I.--'VVIr-~:£.:Jklr _ h5IC2704 (1/2)24+5V+5V24 20 23 19 15r-1 RIPPLE Il TORQUEL CANCELLER CONTROL~~~ ~~~ k1I DIFFERENTIAL AMP DIFFERENTIAL AMP I-< ~ r-• • .=-- -......rPOSITION SIONAL I TORQUE DIRECTIONJCONTROLIIC2701 f3+5VIIC2702(T REEL DRIVE) 20 23PRDCESS5 8 7 8 9 10+5V19 14+1216lTORQUE ICONTROL~~~ ~~ ~ k1 r:~LI DIFFERENTIAL AMP DIFFERENTIAL AMP 1--<"~ r-H~~---+------'15• • .=-- 'T.1 I ~ U TORQUE DIRECTION IPOSITION SIONAL LCONTROLPROCESS L-______________--J-*I13 2 5 6 7 8 9 10 12 '-_____-+-1.:..1-,,,IP11VFO+VFG-IC2705 (AMP)/. FO-2..-/ +1-:5,....."""-----"--L-____________~~--~~ _ FO+(1/2) """ f-4,.--'w,----IQ2701 (REO)+5V I 1- ,II .I.. MlM2M3VFO+VFO-IC2705 (AMP)1/+7FO-(1~6 FO+I