8.12. MAIN (HEAD/ REC AMP) SCHEMATIC DIAGRAMHG20G21G10G19G18G17G16G15G22G14G13G12G11G4G2G3G1G9G5G6G7G8REFER TO PARTS LIST.DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASEDO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATICNOTE:(SP MODE)BRACKETS( )ON THIS DIAGRAM IS RECORD MODE.THE MEASUREMENT MODE OF THE DC VOLTAGE IN THEDIAGRAM IS PLAYBACK MODE.THE MEASUREMENT MODE OF THE DC VOLTAGE ON THISNOTE:R5008 0R5007 00R50010.01C50066V22C5025MAIN(HEAD/REC AMP)SCHEMATIC DIAGRAMAG-DVC7(MAIN C.B.A.)REFER TO MAIN CONNECTIONAGC CTLD GNDREG D1.8V(4.1)1.8(4.1)1.8(4.1)1.8(4.1)1.8(4.1)1.8(4.1)1.8(4.1)1.8(4.1)1.82.8(2.8)0(0)2.8(0)1.42.8(2.8)0(2.8)0.300(0.9)0(0)0.92.8(2.3)1.82.2(2.7)2.30.8(0.8)04.7(2.4)1.2(2.3)1.7 (2.8)1.9(2.8)2.0(HEAD/REC AMP)CL5001G8PC50228PC50248PC50218PC5023:MAIN SIGNAL PATH IN PLAYBACK MODE:MAIN SIGNAL PATH IN REC MODEAN3732FJMEFVIC500110KR500910KR501010KR501110KR5012R5015 1K1C5003J0JCC0000071LB50030.01C50080.01C50136V22C50011800R5004J0JCC0000071LB5002C5012 0.1C5005 680PC5014 47PLB5001 J0JCC0000071R5006 22006V10C500254321FEDCBATO MAIN CN(B-13)HA OUTRA STABTO MAIN CN(B-14)REC CLKHID2REC CTLTO MAIN CN(C-14)HSEREC CADJTO MAIN CN(B-13)HID1PBREC ITO MAIN CN(C-14)EQ HOLDTO MAIN CN(C-14)TO MAIN CN(C-13)RF 3VREG A5VRF AGC OUTATF OUTTO MAIN CN(C-14)CH1 SCH1 FCH2 SCH2 FTO MAIN CN(C-13)NCAC3YVCC4RECIPBHHID1HID2ACILSIABDGNDNCNCCAVWCVCC1GND1LPF OUTGNDHANP OUTCTLENVPB OUTNCH3YH3XAC3XACTYH1YH1XAC1XAC2YH2YH2XAC2XEQ HOLD4th CLK IN3rd REC IN4th REC INGAIN CTLAGC OUTVCC2AGC DETADJAGCGND2AGC INDETENVAMP3rdAMP2ndAC FBLPF/0dB14dBGCARA2HA2RA1HA1HA3RA3DRIVERPRELOGIC BLOCKAMPDIFI/FQQDCK/0dB7.5dBDETAGCAGC44 43 42 41 40 39 38 37 36 35 343332313029282726252423222120191817161514131211109876543218.13. MAIN (DRIVE) SCHEMATIC DIAGRAMK41K40K39K38K37K36K35K34K33K32K31K42K20K19K12K30K29K18K17K16K15K14K13K28K27K26K25K24K23K22K21K11K8K4K3K6K7K2K1K5K10K9REFER TO PARTS LIST.DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASEDO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATICNOTE:(SP MODE)BRACKETS( )ON THIS DIAGRAM IS RECORD MODE.THE MEASUREMENT MODE OF THE DC VOLTAGE IN THEDIAGRAM IS PLAYBACK MODE.THE MEASUREMENT MODE OF THE DC VOLTAGE ON THISNOTE:MAIN(DRIVE)SCHEMATIC DIAGRAMAG-DVC7(MAIN C.B.A.)1.11.11.11.11.10.91.81.80.92.91.90.97.67.80.10.10.51.41.41.22.20.21.21.901.11.11.1001.62.23.31.51.7001.10.30.41.601.97.40.52.42.40.60.60.607.901.61.61.66REFER TO MAIN CONNECTION0.1C22050.1C22070.1C2206A10A11A12A12A11A100.27R2211C2213 0.011C22121KR22071C2204220KR2204R2209 220K1KR22081C221182KR2203R2202 47K1KR22061C22021KR22051C2201CL22051KR22251C2216A9A8A9A8A5A6A7A7A6A5 0.1C22190.1C22180.1C2217CL22041KR2224A3 A2A3A2CL22011KR22221C2231A4A4CL2203CL22020.27R2213C2220 0.01C2221 1C2222 4700PC2223 4700PC2232 0.01C2225 0.2222KR2219R2216 39K2200R2210A1A127KR22141200R22126V10C22266V10C2203100R2201CATCCCSH2-H1-H1+CVMCPCICTLCECCECRCPCSCGNDCRSFCFG2OCFG2IYATCYCSYCOMYPCIYVMYECVCONTIN1IN2VREFYSUL2YSUL1AGCYSTBYPCSYSWH2+H3+H3-CM3CM2CM1OUT2VBLGNDOUT1YM1YMI1YM2YMI2YM3YMI3CFG1ICFG1OYPGOYPGIYFGIYFGOYFGYPGVCC2CFG2GNDVCCFCYGNDYCLKCSWNOREGMOTOR DRIVE)(CYL/CAP LOADINGC0GBG0000023IC220164636261605958575655545352515049484746454443424140393837363534333231302928272625242322212019181716 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1:CYLINDER SERVO PHASE LOOP :CAPSTAN SERVO PHASE LOOP:CAPSTAN SERVO SPEED LOOP:CYLINDER SERVO SPEED LOOPTO MAIN CN(C-32)TO MAIN CN(B-31)TO MAIN CN(D-32)TO MAIN CN(C-32)TO MAIN CN(C-31)TO MAIN CN(B-31)TO MAIN CN(C-31)M UNLOADM LOADM3AM2AM1ACOM CYLCAP RSFCAP ERRCYL ERRLOADUNLOADCYL ONCAP FGTORQU LIMITH2(-)H2(+)H1(-)H1(+)H3(-)H3(+)M3M2M1AFG1AFG2VMRCYL FGPG(+)FG(+)DRIVE CLKCYL PGD GNDREG D1.8VTRIWAVECAP SWCAP VMNOREGCYL SWS 5VCYL VMNOREG GNDDRIVE 3V54321GFEDCBATO MAIN CN(D-31)50