17.4. (B) Main CircuitNC25031R25081KMICC21441C2112 1C2212 1C2122 1C2222 1C2252 1C2152 1C2232 1C2132 1R23.R23.R22123.3KR21123.3K1234567815 16 17 18 19 20 21 22 2335363738394041424849505152535455569 34244710 33254611 3212 312645274413 3014 292843IC2804C0AABB0001OP AMPC297616V10D2191D2583B0BC9R000008PB_LPB_RGNDREC_IN_LREC_IN_R+B1234561412108791113C258316V100C250916V33 R2509560REC_HMO+BMO_GNDNCDECK1_HNCMOTORNCR2311470R231210KR241210KR2355270KC24421C234210C23121Q2411Q2311R2455270KC23111R21934.7KR2283100KC22830.047R2194100KC21940.1C22753300PC25880.1C2585220PR2585330KR2510220C2584220PR2512100KR25112.2KC251150V2.2R24140R22461KD2241B0ACCK000005C24111C231347PC241347PC241410PC2314C270650V1R241556KR27063.3KC24121R25861.2KR2584330KR2587 1.2KR21023.3KR22023.3KMUTE_AASP_DA+15VASP_CLKSW15V+15VSW5VMOT_12VP_GND-9VA_GNDHP_RHP_LREC[59]MTR[58]DECK_HR2675R22486.8K234765Q2341Q2441R23451.5KR24451.5KR2357100KR2457100KC23440.47C24440.47R24471R24463.3KR23463.3KR23471RRR24420R24440RRR23420R23440Q2511Q2980R2173 4.7KR2172 6.8KR22734.7KR22716.8KCN2803MAIN CIRCUITSA-AK640PL MAIN CIRCUITSCHEMATIC DIAGRAM - 3 : +B SIGNAL: -B SIGNALTODECKCIRCUIT(CN1001) ONSCHEMATICDIAGRAM-7R22112.2KR21112.2KR2104 27KR2204 27KR267447KR2673 47KR2672 10KR2671 10KC2191 50V4.7C2282 1C2281 1B0ACCK000005R22223.3KR21223.3KC21213300PC22213300PR21213.3KR22213.3KTUNER RCHIN-L1IN-R1IN-R2IN-R3IN-R4IN-R5IN-R6GNDREF-INREF-OUTREC_LPRE-VIN-RHB-MIX-INHB-MIX-OUTHB-FLT-OUTHB-ATT-INHB-ATT-OUTHB-LPF-INHB-LPF-OUTNCNCTRE-RMID-R1MID-R2BASS-R2T-OUT-RR-OUTVCCCLKDATANCL-OUTPOST-VM-LT-OUT-LBASS-L2BASS-L1MID-L2MID-L1TRE-LSUR2SUR1REC-LSV_OUT-LOP-OUTOP-INPRE-VIN-LPOST-VM-RBASS-R1HARMINHARMOUTGV-OUT-RIN-L2IN-L3IN-L4IN-L5IN-L6C22141C21141R2704 220KC2704470P: FM/AM SIGNAL LINE : CD SIGNAL LINE: MIC SIGNAL LINE: MAIN SIGNAL LINE: TAPE RECORD SIGNAL LINE: TAPE PLAYBACK SIGNAL LINEC2113 6800PC2213 6800PC2119 0.12C2124 1C2224 1C2134 1C2234 1C2154 1C2254 1C2161 0.01C2261 0.01C2581 16V100C258216V100R2282 0C2201 1C2195 0.47R21451KR23140R21461KR2313100KR2413100KC2181 1C2182 1R27021KC2C2R2356R2703220KC2703 470PQ2978B1GDCFJJ0047REC:ON/OFF CONTROL SWITCHQ2980B1GDCFJJ0047SUPPLY CONTROL SWITCH(DECK MOTOR)Q2142B1ABCF000176AGC CONTROL SWITCHQ2311,Q2411B1ABGC000005MUTING SWITCHQ2242B1ABCF000176AGC CONTROL SWITCHQ2511B1GDCFJJ0047MUTING CONTROLQ2341,Q2441B1ABGC000005HEADPHONE MUTINGC2193 1R2196 10KR2195 10KR2281 680C2192 0.1R27011KC2273 0.01C2274 0.01C2271 0.15C2272 0.082C2402 1C2401 0C2302 0C2301 1C2172 0.056C2171 0.1C2174 0.01C2173 0.01C2183 0.22R2183 1KR2182 0R216356KC21011R2181 680C2175 3300PIC2803C1BB00001121AUDIO SOUND PROCESSORR2411470R22451KR2247100KC224516V10W25060W25030W25200W25770W25010R2253 8.2KR2243 12KR2143 12KR2213 12KR2113 12KR2123 27KR2223 27KR2133 3.3KR2233 3.3KR2153 8.2KW25110W25310W25130 W25140W25460W25260W25300W255301/4R22032.2KQ2501B1ABCF000176LEVEL METER CONTROL SWITCHC25011R2504100R2501330KR25032.7KR250282KD2503B0ADCC000002R25050A_GNDR2507100K C25070.22R2103 2.2KC22441R21614.7KR22614.7KC226350V1LM_1SA-AK640PL63