QUAD 99 Service Manual
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QUAD 99 Service Manual

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See also: Instruction Manual

SERVICE MANUAL

MODEL QUAD 99 PRE-AMPLIFIER

1.SPECIFICATIONS

Aux.&Tape Inputs
Sensitivity
Signal to Noise Ratio
Distortion
Phono InputsMM(MC)
Sensitivity
Signal to Noise Ratio
Distortion
PreAmp Output
Level
Source Impedance
AMPBUS Output
Level
Source Impedance
Tape Output
Level
Source Impedance
All inputs except MM & MC
MM & MC inputs
Dimensions
Weight
The following abbreviations are used:
RIAA
MM
MC
QUAD
Recording IndustryAssociation of America
Moving magnet cartridge
Moving coil cartridge
100,300 or 775mV
>97dB(A) ref 775mV
<0.002%
1,3 or 7.75mV (100,300or 775uV)
78dB(A) ref 7.75mV (775uV)
<0.05% (0.01%)
775mV (3.3 volts maximum)
100 Ohms
2 volts (8 volts maximum)
20 Ohms
100,300,775mV (10 volts maximum)
330 Ohms
10Hz to 20kHz
3Hz to 56kHz
20Hz to 20kHz
7Hz to 53kHz
4.42kgs
1
+0dB/-0.3dB
+0dB/-3dB
+/-0.5dB
+0.5dB/-3dB

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Summary of Contents for QUAD 99

  • Page 1: Service Manual

    QUAD SERVICE MANUAL MODEL QUAD 99 PRE-AMPLIFIER 1.SPECIFICATIONS Aux.&Tape Inputs Sensitivity 100,300 or 775mV Signal to Noise Ratio >97dB(A) ref 775mV Distortion <0.002% Phono InputsMM(MC) Sensitivity 1,3 or 7.75mV (100,300or 775uV) Signal to Noise Ratio 78dB(A) ref 7.75mV (775uV) Distortion <0.05% (0.01%)
  • Page 2 ASSEMBLY SKETCH...
  • Page 3 ASSEMBLY PARTS LIST PART NAME DESCRIPTION 088-1118001000 AMPLIFIER P.C.B 088-1118003500 DISPLAY P.C.B 022-2000802060 TRANSFORMER 044-1800000000 SOCKET 044-1500000000 SOCKET 041-2191000000 SWITCH 031-4200504121 FUSE 302-1115000001 TOP COVER 300-1178000001 FRONT PANEL 301-1118000001 REAR PANEL 303-1115000001 BOTTOM COVER 205-1117000001 PCB SUPPORT 273-1116000001 F/PANEL WINDOW 211-1176000001 3 BUTTON PAD 211-1177000001...
  • Page 4 4. SCHEMATIC DIAGRAM...
  • Page 5 4. SCHEMATIC DIAGRAM...
  • Page 6 4. SCHEMATIC DIAGRAM...
  • Page 7 4. SCHEMATIC DIAGRAM...
  • Page 8 4. SCHEMATIC DIAGRAM...
  • Page 9 4. SCHEMATIC DIAGRAM...
  • Page 10 4. SCHEMATIC DIAGRAM...
  • Page 11 4. SCHEMATIC DIAGRAM...
  • Page 12 4. SCHEMATIC DIAGRAM...
  • Page 13 4. SCHEMATIC DIAGRAM...
  • Page 14 5. ELECTRONIC PARTS LIST PART NAME DESCRIPTION REF/N 053-1118001610 P.C.B PCB1 001-5109205010 RESISTOR 5R1 1/4W1% R57,68 001-1000306050 RESISTOR 10ohm1/2W J R169,190 001-1000205010 RESISTOR 12ohm1/4W 1% R93~96 001-5100205010 RESISTOR 51R1/4W1% R56,67 001-1001205010 RESISTOR 100ohm1/4W F R54,63,65,74,170,171 001-2201205010 RESISTOR 220ohm1/4W F R3,4 001-2701205010 RESISTOR 270ohm1/4W F...
  • Page 15 016-2220832201 CAPACITOR 2.2nF63V2.5% C39,44 016-2720852201 CAPACITOR 2.7nF63V1% C40,45 016-3320802201 CAPACITOR 3.3nF63V5% C34,35 009-4721008110 CAPACITOR 4.7nF 100V20% 009-4721008000 CAPACITOR 4.7nF 100V20% C137 014-1030211028 CAPACITOR 10uF63V10% C86,88,99,102 014-2230211028 CAPACITOR 22nF63V10% C38,43,92,96 014-3330200028 CAPACITOR 33nF63V5% C87,89,100,103 014-4740211028 CAPACITOR 470nF63V10% C4,15,53,58,61,63,117, 009-4731009110 CAPACITOR 47nF100V-20%+80%...
  • Page 16 5. ELECTRONIC PARTS LIST 013-1030200506 CAPACITOR PS 10nF63V1% C46,49 C9,11,12,14,64~71,73,7 014-1040211028 CAPACITOR 100uF63V10% 4,76,77,80~83,91,95,11 9,120,126,127,140,121 014-2240211028 CAPACITOR 220nF63V10% C93,94 014-6840211028 CAPACITOR 680nF63V10% C84,85,113,115 014-1050200028 CAPACITOR 1uF63V5% C104,106 011-1552502220 CAPACITOR 1.5uF25V20% C134 011-4751002220 CAPACITOR 4.7uF10V20% C50,51 C1,2,7,8,18~21,136,138 006-1004051163 CAPACITOR SM10u50V20% ,139 006-1004051162 CAPACITOR 10UF/50V...
  • Page 17 50T040H 050-0100070211 FUSES HOLDER FUC-2 F1~5 086-1500000000 TERMINAL H2071Z01 E1~8 088-1118003500 DIPLAY P.C.B 053-1118001635 P.C.B 002-1003033050 RESISTOR 10K1/8W J1206 R63~77,90,99,100 002-2701033050 RESISTOR 270ohm1/8W J1206 R1~3,20~48 002-3901033050 RESISTOR 390ohm1/8W J1206 R51~55,86 002-5601033050 RESISTOR 560ohm1/8W J R14,16,19,49,104 002-1801033050 RESISTOR 180ohm1/8W J R15,17,18,50,105...
  • Page 18 5. ELECTRONIC PARTS LIST 007-1004073010 CAPACITOR 100nF6.3V20%1206 C5,9~19,24 010-1060632010 CAPACITOR 10uF6.3V20%3216L(S) C1,20~22 010-2250632010 CAPACITOR 2.2uF6.3V20%3216L(S) 007-2200073060 CAPACITOR 22pF50V20% C2,3 067-2204148110 DIODE DL4148 017-1990000000 74HC138DS016 4*10 017-2000000000 74HC165DS016 4*10 017-2690000000 74HC574S016 6.3*13 U4~11 810-0010000000 EL-11-22SRUGC/TR8 D8~11 011-1070632220 CAPACITOR 100uF63V10% 017-2430000000 16C711-04/P 059-4000001113 CRYSTAL HC49S 4MHZ...

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