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33 

REPLACEMENT PARTS LIST (continued) 

Part Number 

Parts 

Per Kit 

Description 

TUBES, DIODES

 

ZCOM3679 

Silicon Diode 

(

SD94A

)

 

(

66-3284

)

 

(

3679

)

 

KT88/6550 

Tube 

12BY7A 

Tube 

MOUNTING HARDWARE

 

KM4-40-6SG 

12 

#4-40 x 

 Lg. B.H.M.S. 

(

binding head machine screw 

KL4-SG 

12 

#4 Internal Tooth Lockwasher 

KN4-40SG 

12 

#4-40 Hex Nuts 

KM6-32-6SB 

50 

#6-32 x 

 Lg. B.H.M.S. 

(

binding head machine screw

)

 

KM6-32-8SC 

#6-32 x 

½

 Lg. B.H.M.S. 

(

binding head machine screw

)

 

KM6-32-12SB 

#6-32 x 

¾

 Lg. B.H.M.S. 

(

binding head machine screw

)

 

KL6-SB 

55 

#6 Internal Tooth Lockwasher 

KN6-32-SB 

39 

#6-32 Hex Nut 

KP6-4SN 

#6 x 

¼

 Lg. B.H.S.T.S. 

(

binding head self tapping screw

)

 

KW6-SN 

#6 x 

 O.D. x 1/32 THK. Flat Washer 

KM8-32-6SB 

#8-32 x 

 Lg. B.H.M.S. 

(

binding head machine screw

)

 

KS8-SC 

#8 Split Lockwasher 

KN8-32SC 

#8-32 Hex Nut 

KN10-32SC 

12 

#10-32 Hex Nut 

KX10-SC 

12 

#10 External Tooth Lockwasher 

KW3273916 

12 

17/64 I.D. x ⅞ O.D. x 3/32 THK Flat Washer 

KN1832-SC 

-

32 Hex Nut 

KL18-SC 

 Internal Tooth Lockwasher 

WIRE

 

 

85˝ 

Black 

(

thin insulation

)

 

 

36˝ 

Brown 

(

thin insulation

)

 

 

35˝ 

Red 

(

thin insulation

)

 

 

91˝ 

Yellow 

(

thin insulation

)

 

 

56˝ 

Green 

(

thin insulation

)

 

 

139˝ 

Blue 

(

thin insulation

)

 

 

57˝ 

Violet 

(

thin insulation

)

 

 

49˝ 

Grey 

(

thin insulation

)

 

 

80˝ 

White 

(

thin insulation

)

 

 

79˝ 

Red 

(

heavy insulation

)

 

 

21˝ 

Orange 

(

heavy insulation

)

 

 

23˝ 

Yellow 

(

heavy insulation

)

 

 

12˝ 

Black 

(

heavy insulation

)

 

 

98˝ 

Brown 

(

heavy insulation

)

 

 

14˝ 

Green 

(

shielded

)

 

 

14˝ 

Green 

(

shielded

)

 

 

72˝ 

Bare wire 

 

36˝ 

Sleeving 

Summary of Contents for Citation II

Page 1: ......

Page 2: ......

Page 3: ...gh multiple loops HUM AND NOISE Better than 90 db below 60 watts POWER SUPPLY Close B regulation through use of low Z silicon diode rectifier power supply SENSITIVITY 1 5 volt RMS input for 60 watts S...

Page 4: ...sparent sound Absolute stability with any load Output transformers designed specifically for this amplifier to exacting specifications High power output at the extreme ends of the range enables the am...

Page 5: ...3 CITATION II CURVES...

Page 6: ...4...

Page 7: ...ency response to slightly above the limit of audibility it may have a tendency toward strident reproduction and poor differentiation of instruments in the high overtones Conversely an amplifier which...

Page 8: ...IATELY IF A SHORTAGE OR ERRONEOUS PART IS DISCOVERED In the event of visible shipping damage notify your dealer at once If the kit was shipped to you notify the transportation company without delay Ha...

Page 9: ...solder and hold the iron on the connection until the solder flows freely around and into the connection Merely melting drops of solder onto the connection is not satisfactory and will result in fault...

Page 10: ...you should have difficulty with this kit and cannot resolve the problem through your own efforts write directly to us for advice Harman Kardon has established a special Citation service division to a...

Page 11: ...stranded wire transformer leads etc should be twisted and tinned after stripping The amplifier is assembled and wired as four separate units Electrolytic Bracket Harness Terminal Boards Main Chassis A...

Page 12: ...oard insulating sleeve at A Note orientation Twist tabs turn Insert the four silicon diodes into the clips on the holder T5 as shown in the pictorial It is imperative that the silicon diodes are insta...

Page 13: ...o this hole and bend it over behind the jig to hold it in place If the wire has been accurately cut to size and properly inserted into the jig it will stay in place while the rest of the wires are ins...

Page 14: ...the jumpers are screened on the board Wrap wire one full turn See Figure A Check TB1 TB2 10 NS to 11 S to 12 S 14 NS to 43 NS 45 S to 20 NS 42 NS to 23 NS 9 NS to 40 S to 28 NS 38 S to 29 NS 36 NS to...

Page 15: ...own in Pictorial 3 Figure C Check TB1 TB2 Connect a 22 mfd 600V from 1 NS to 33 NS Connect a 47 mfd 600V from 14 S to 21 NS Connect a 22 mfd 600V from 15 NS to 19 S Connect a 47 mfd 600V from E 30 NS...

Page 16: ...asher and nut supplied Install speaker terminal strip T1 and lug strip T3 Insert screw through T1 and install from outside of chassis Placing lockwasher on screw insert lug strip T3 as shown Install T...

Page 17: ...Check Connect jumpers using bare wire from Terminal 1 S to Terminal 3 S on each of the miniature sockets V1 through V6 Connect a black 2 wire from P4 1 NS to P4 4 S Connect a 5 6K watt 10 resistor gr...

Page 18: ...S Connect 120 ohm watt 10 resistor brown red brown silver between V7 2 S and V7 1 NS Connect a brown wire 8 long between V7 1 S and P2 2 NS Connect a 33 ohm watt 20 resistor orange orange black betwee...

Page 19: ...Connect black wire from power transformer to fuse holder F2 S Connect black white wire to AC 2 NS Slip large rubber grommet over all remaining leads coming from power transformer See Pictorial 6 Conn...

Page 20: ...18...

Page 21: ...19...

Page 22: ...bare wire from T2 G S to T4 2 NS Connect a 039 mfd capacitor marked on body from T4 1 NS to T2 16 NS Connect a 39 ohm 1 watt 10 resistor orange white black silver from T4 2 S to T4 1 S Insert line co...

Page 23: ...tion Tighten standoffs to chassis Position harness and board leads as per Pictorial 6 prior to mounting boards Starting with right terminal board TB1 Channel B connect the following see Pictorial 8 Co...

Page 24: ...l board TB2 10K watt 10 brown black orange silver from V10 5 S to TB2 1 S 10K watt 10 brown black orange silver from V9 5 S to TB2 15 S Blue 2 long from V9 3 S to TB2 16 S Blue 2 long from V10 3 S to...

Page 25: ...ohm 2 watt 10 resistor yellow violet red silver from V5 7 S to TB2 33 S Connect a 33K watt 10 resistor orange orange orange silver from V4 2 S to TB2 27 S FINAL WIRING OF THE TERMINAL BOARDS Refer to...

Page 26: ...80K ohm 1 watt 10 resistor blue gray yellow silver from TB1 6 NS to TBl 37 NS 4 7 mmf condenser value marked on body of capacitor from TB1 6 S to TB1 37 S 220 ohm 12 watt 10 resistor red red brown sil...

Page 27: ...is point you may assume that the power supply has been correctly wired and that the KT88 6550 output tubes are being biased IF THE METER DEFLECTS BEYOND THE BIAS MARK OR IF THERE IS NO DEFLECTION AT A...

Page 28: ...Channel B A C Balance position Allow sufficient time for the 16 ohm 20 watt load resistor to cool and disconnect from the channel A speaker terminal Connect the load resistor to Channel B speaker term...

Page 29: ...27...

Page 30: ...ere the readings fail to correspond 6 Check all resistors and condensers with an ohmmeter where the improper operating voltages are noted 7 If you cannot find the difficulty write to Harman Kardon Inc...

Page 31: ...ipulate the input connections while the amplifier is powered This may re sult in permanent damage to your speakers CONNECTING THE AMPLIFIER FOR 120 WATT MONOPHONIC OPERATION WITH SINGLE SPEAKER In ord...

Page 32: ...ed with a chemical compound called PERMAFIL which is specifically selected because of its high heat conductivity PERMAFIL carries the heat away from the core and the winding to the outer can where it...

Page 33: ...are normal but cathode currents should be equal These voltages will be equal with balanced tubes but may differ without affecting performance RESISTANCE READINGS 12BY7A 12BY7A 12BY7A 12BY7A 12BY7A 12B...

Page 34: ...sulator Single STCOM4127 1 Phono Jack Insulator Double Z1021705 1 Ground Lug STCOM2707 2 Speaker Terminal Strip HC24625 1 AC Outlet HCCOM3750 1 Fuse Holder with nut lock and rubber washer ZCOM3715 1 F...

Page 35: ...ng head self tapping screw KW6 SN 7 6 x O D x 1 32 THK Flat Washer KM8 32 6SB 2 8 32 x Lg B H M S binding head machine screw KS8 SC 2 8 Split Lockwasher KN8 32SC 2 8 32 Hex Nut KN10 32SC 12 10 32 Hex...

Page 36: ...blue red silver RA103 1 8 10K ohms watt 10 brown black orange silver RA123 1 2 12K ohms watt 10 brown red orange silver RA223 1 2 22K ohms watt 10 red red orange silver RA333 1 2 33K ohms watt 10 oran...

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