Gates Radio Company Stereo Statesman Console M-6540C, Instruction Book

Page 1: ...ounded connection wire an isolating trans former must be used between that equipment and the console A final ohmmeter check is recommended After all system connections are made temporarily disconnect...

Page 2: ...nputs and can be used for turntable tape network and remote inputs All the medium level inputs except network remote and auxiliary are switchable into two separate input channels to allow sequel opera...

Page 3: ...alance 3 2 Cue System MAINTENANCE Table 1 PARTS LIST DIAGRAMS Loss Pad Chart Speaker Matching Transformer Information 827 3822 001 M6549C Preamplifier 827 3823 001 M6550C Booster Amplifier 827 4088 00...

Page 4: ...rom 20 Hz to 20 000 Hz 18 dBM output 64 dB below 8 dBM output with 17 dBM input Remote and Network Inputs to Regular Program Line Out Maximum Gain Response Di stortion Noise 1 3 MONITOR CIRCUITS Maxim...

Page 5: ...may be mounted in a small wall box or under the base of a desk Ample ventilation must be provided since the unit generates some heat When rack mounted the panel is designed for natural convection coo...

Page 6: ...E To prevent severe ground loops all wiring connect edto this console mu st be free from ground connec tions in the source and load equipment micro phones turntables tape players records speakers etc...

Page 7: ...both the Ieft and IIright II monitor ampl ifiers is controlled by the dual gain control located just below the monitor input selector The gain control s for the left and right program channel s are lo...

Page 8: ...ers with monitor ampl ifiers b Check for 30 volts between terminal s 3 and 5 of the booster board and ter mina Is 3 and 119 of the output boar 2 No signal on either or both of the program output lines...

Page 9: ...ORMER TRANSFORMER 5 4 150 OHM A Unbal B 600 OHM Sal STEREO STEREO or MONO 4 dBm 2 dBm 20 dBm 14 dBm AS REQUIRED PAD 3 NOTES Overload point of microphone pre amplifier End of linear por tion of level c...

Page 10: ...5 540 0063 000 R9 Res Selected R21 Res 15 ohm 1 2 W 5 540 0005 000 RIO Res 100 ohm 1 2 W 5 5401102 000 XQl 2 3 4 Transipod 404 0198 000 R12 Res 2000 ohm 540 11 04000 992 2224001 BOOSTER AMPLIFI ER I 2...

Page 11: ...0 T5 T6 Input Transformer 478 0285 000 T3 T4 Power Tronsformer 472 0569 000 METER PAD ASSEMBLY 992 2210 001 TBXl Terminal Board 614 0010 000 Rl R3 XF2 XF3 Rl t Rt 3 Res W 2700 ohm 540 XF4 Fuseholder 4...

Page 12: ...lues directly LOSS PAD CHART INPUT OUTPUT R10l R102 600 600 ohms liT pads 150 1 50 ohms T pads Rl R2 R3 R1 R2 dB loss ohms ohms dB loss ohms 2 68 2700 2 18 4 130 1200 4 36 6 200 820 6 51 8 270 510 8 6...

Page 13: ...load impedance of the moni tor amplifier is 8 ohms Speaker loads of 4 to 16 ohms may be used Loading the amplifier low er than 4 ohms may damage the unit Some suggested loads are Iisted below 1 One 8...

Page 14: ...IN uF 11TH D C RATING UNLESS SPECIFIED 4 DENOTES LOI NOISE RESISTORS 5 R9 SELECTED fOR TOTAL AIPLIFIER CURRENT TO BE 10 18 IA NO SIGNAL PARTS REPLACEMENT lAY REQUIRE CHANGE Of R9 VALUE 6 D C VOLTAGES...

Page 15: ...E V v V I v r J I I I I OUTPUT AUX I PIN CONNECTIONS COMPONENTS SIDE LE FT TO RIGHT 2 ALL RESISTORS 112 WATT S YD DENOTES LOW NOISE 3 CAPACITORS IN MFD WITH D C RATING UN LESS SPECIFIED 4 COMPONENT VA...

Page 16: ...lOi E D 3 DC VOL TA S AJ E OMIJJA J HrA Su tJ f VK I O 2 Q V S Gt p 4 V l I 14 iV 30V S f L Y 4 R O AND R 2 Ri FAc mR t Rq SOO StLEC TtD FOR 40 MA x TOiJt l AMPLl IE R CURRtNT 1 I m R 2 I O V t i n 2...

Page 17: ...ER VOLT SUPPLY LOADED FOR 780 MA LIINE VOLTAGE 12bv I LLOW 1070 VARIATION 5 1000 UlY75VCAP IS EXTERNALLY MOUNTED 46V t o I 1_ 1000UF T 75V I I CD CR5 IN754 39 2 03 40319 RI 8 2K R2 2 J l 20W 44 SV R3...

Page 18: ...MFo WITH D C RATING 3 COMPONENT VALUES SI IOWN ARE NOMINAL VALUES SLIGHT CHANGES MAY BE NECESSARY TO COMPENSATE FOR PRODUCTION TOLEF ANCES 4 C2 IS EXTERNALLY MOUNTED R3 2 f L 20W 10 1 0 t C QI I l_C2...

Page 19: ...CIl 00 rC mZ t Z O IC ls 00 2 w 00 tv 0 f 0 0 m 0 0 c m 0 2 c I t C ti t3 I 36 4 32 4 16 B HOLE ACCESSIBLE WHEN CHASSIS IS RAISED TB 3wmnum TB I TB 2 f I FRONT OF CONSOLE TOP VIEW SHOWN WITH TOP a FR...

Page 20: ...INPUT LEVEt I V r_b I TT2 IOA B 150n ICUE V NPU T 1159 I 513 150 n 10Ce 0 R MI1 4 r I 300 I ZOVU NOMINA A ___ I INPUT LEVEL 13V VI TAPE 2 IIA B I on IVI l t I u L o n INPUT O t 9 150n IIC D R MIX 4 _...

Page 21: ...I I MUTING RELAY K2 I MUTING I J _R _L_t_Y l I 1 I I 1 I I I I I I I I MUTING RELAY K2 1 J I I TB2 24VUe45 l 4A B SPEAKER LEFT CR TB II 12 WARNING LIGHT CR TB3 7 B WARNING LIGHT STUDIO A T820 5A 8 SPE...

Page 22: ...J RIGHT II II v 11D C C I 58 8 13A 1 q LEFT 1 I F Jo 138 I II I 2 0 I rAPe 3 d I C CI14 I 1 Iii i ft RIGHi I D o1 0 208 I Z09 v c LEFT 59 6 4A 1 26l 148 II I I o _7J 9 PW t HrAR TS J I 4 3 tM A NET 1...

Page 23: ...t I fl I ro H OIiT QQC _ _ oc R c t HI H IS J lT y lGy 20 r I 270 I 1 1 I CVII c _ J 1 J II r RIG HT 8e J i _ 7 4I f 7 O yc 80 I I O LiR 4 J h J l It tr I r s4 s 9A 5 _ 7 LEI T 98 I I 16 m TAPE Lh _J...

Page 24: ...LlFT RI L I E II L R I...

Page 25: ...GHT 7 STUDIO A 3 8 WAR ING lAM CAS LAMP NP 3 9 YIII WARNING LAMP 3 10 POWER 1I7Y I Swe 3 CONTROL ROO jjI 3 It WARt IlNG l AMP RIGnT STUO 10 SFEAY ER 45 n R1 r T CONTriOL ROOM 5PKR 45 1 TO STATION GROU...