Stereo Record Player
Contents
1. E P Adapter Label FW 42 x 28 x t0 3 Shielding Board GND Wire Ass y GNO Wire Ass y Foot Holder Spring Holder TPT 3x6 GND Lead Ass y BT 3x8 Fuse Holder Fuse Insulating Sheet Fuse Label Spacer e gt SCHEMATIC DIAGRAM WHALE OLV8WUIS 30719 BEEN 6 TROUBLE SHOOTING CHART SYMPTOM CAUSE REMEDY When the pick up is placed on a record the turntable platter does not rotate When the pick up returns on arm rest the platter does not stop When the REJ button is de pressed the pick up arm does not return The pick up returns during playing a record The stylus is in the same groove When record playing is over the pick up does not return Large impact sound is heard on the return of the pick up arm 1 2 3 No current flows because of poor contact of the micro switch Lead wire disconnection Blown fuse Too wide gap between the microswitch and sending arm Wrong wiring of the micro switch No operation of the actu ating arm Improper mesh between the main gear and the turntable gear Inclined turntable unit with its left side down Deviated sending arm the sending arm deviated toward the center of the turntable Improper stylus force too light stylus force Sticking pick up lea2. the actuating arm and the actuating base Check the shape of the meshed teeth of the turntable gear and clutch plate SYMPTOM CAUSE REMEDY Electrical output does not 1 Improperly soldered pick up Check the soldered parts concerned come out from the turntable lead wire to the 5 lug unit terminal strip 2 Defective transmission path Check the continuity of the transmission path 3 Defective cartridge Replace the old cartridge with a new one Reproduced sound of one Too light stylus force Adjust the stylus force channel is distorted Obliquely mounted Mount the cartridge correctly cartridge Too much anti skating force Set the anti skating force adequately SM 287 8011
3. 3K METAL FILM RESISTOR C2 00 25V 6 8 B 201 VR1 VR2 50 8 8 R1 27082 1 2W 15953 152473 R2 a 3900 1 4W SHIELD CASE EXPLODED DIAGRAM 45 9 9 PARTS LIST 871641 1 895248 874901 894902 870933 1 870932 1 870932 1 896487 1 895251 895073 895092 895047 894271 847410 897817 4 894756 898028 897657 1 872084 895430 1 894408 894001 1 894383 2 895617 1 872207 897843 897844 1 897848 897818 897846 897850 897819 1 898315 872024 81 3681 897853 851854 140 ND 14D Sub chassis Ass y 1 R Gear Ass y 1 Clutch Plate Clutch Guide E 3 Actuating Arm Steel Ball Actuating Base 3x 12 Actuating Plate Ass y BW 3 2 x 10 x 10 5 E 2 Spring 1 E 6 Eccentric Pin 2 BW 5 2 x 10 x t0 2 Turntable Shaft Bracket Ass y 2 4 7 x 08 x 0 5 BT 3x8 Turntable Shaft Ass y 2 Fixing Pin Cabinet Lamp Cover Actuating Arm Cover Hemeron Sheet Lamp Holder Fiber Washer Power Supply Board Micro Switch TPT 4x 12 Wire Fastener Neon Lamp Earch Lead Ass y AC Cord Ass y P Supply Transformer TPT 3x8 TOW 3 REJ Button Push Button Button Spring E 32 REJ Lever REJ Spring F
4. SPECIFICATIONS MOTOR AND TURNTABLE Drive system Motor Wow and flutter Signal to Noise ratio Turntable platter TONEARM Type Effective arm length Overhang Usable cartridge weight Other features SERVICE MANUAL expert AR 805 Stereo Record Player Belt drive system FG DC Servo motor 33 1 3 and 45 r p m No more than 0 15 WRMS 45 dB 3 cm diameter aluminium alloy die cast with strobo scope patterns Static balance type Straight pipe arm 213 mm 14 mm 5 9 50 Anti skating device plug In type headshell Stylus pres sure direct readout counter lighting lifter Semi weight Strobo Damped arm automatic operation CARTRIDGE Frequency response Output voltage Optimum tracking Load impedance GENERAL Power requirement Dimensions Net weight 0 6 mil diamond 20 20 000 Hz 2 5mV 3dB 1 000 Hz 5cm sec 2 0 0 59 47 Kohms 220V 50Hz 453 W x 370 D x 133 H mm 4 8 kg approx Specifications and design are subject to change without notice AUTO RETURN POSITION ADJUSTMENT 1 When deviation is slight a To retard the timing of pick up arm return turn the fine adjustment screw clockwise b To advance the timing turn the fine adjustment screw counterclockwise 2 When deviation is large a Set the fine adjustment screw at the middle position b Loosen securing screws adjust a gap between the actuating arm and the sending arm to about 7m
5. W 3 2 x 8 x t0 5 CS 3 CUE Angle Ass y CUE Lever Switching Spring 4 Steel Ball Cue Seesaw Ass y Lock Spring FM 3x 16 Seesaw Base Ass y PU Arm Ass y Cartridge Stylus FW 10 x 22 x 11 E 9 Ref Q ty NIMM oo O att eb HETE a set 897822 897816 896859 1 F 837780 896860 897891 897554 879445 1 897547 897823 1 893583 3 870771 879847 897787 1 897805 1 631736 894021 893931 242020 234971 894037 3 891568 3 897960 2 872420 898636 851701 897879 1 897766 620053 7 200515B 871857 890876 89881 7 1 E 821280 898801 894383 3 896496 898297 898801 899091 893791 893327 893791 897447 Arm Rest Ass y SSW 3 FLN 3 Elevation Plate 2 6 4 Elevation Shaft Elevation Spring Lifter Bracket J F C Knob Ass y Wave Washer C F C Spring Cam Volume Knob Sending Arm Ass y 2 5P Lug Board Shielded Lead Ass y Varnish Tube V R Holding Angle Variable Resistor Push Switch Motor Ass y Pulley TO2x3 Motor Bracket Rubber Cushion Pipe FW 3 2 x 13 10 8 FM 26x 12 SSW 2 6 AC Cord Stopper S R Bushing Foot FMT 4x 12 M 2 6 x 1 6 Bottom Board Ornamental Cover Board Dust Cover Cover Cushion Hinge Ass y Turntable Belt Turntable Mat Ass y
6. d wire Foreign matter between the clutch plate and the clutch guide Deviated the position of the sending arm the sending arm deviated toward the direction opposite from the turntable center Improper mesh between the turntable gear and the main gear Replace the old microswitch with a new one Check wire connection After checking wrong wiring replace the blown fuse with a new one Adjust the gap 0 8 1 2mm Modify the wiring according to the wire connection diagram Check the interlocking transmission mechanism of the REJ button REJ spring and lever a Check the gear gap b Check if the turntable gear is positioned in the center of the notch of the main gear c Check if the teeth of the turntable gear are worn to round shape Place the turntable unit horizontally Adjust the position of the sending arm properly Adjust stylus force properly Arrange the lead wires properly Remove the foreign matter Adjust the position of the sending arm a Check a gap between the turntable gear and the main gear b Check the shape of the first meshed teeth of the turntable gear and the gear if it is deformed replace the old turntable gear or the main gear or both with new one s Check if the clutch plate flies out until it strikes the side face of the turntable gear If not so check and remove foreign matter between the clutch plate and the clutch guide or between
7. m and tighten the screw temporarily After the above step b proceed the adjustment as follows 1 Toretard the timing of pick up arm return turn the fine adjustment screw clockwise 2 To advance the timing turn the screw counterclockwise c Tighten the sending arm securing screws firmly Fine adjustment screw SENDING ARM ASS Y Approx 7mm Securing screw ACTUATING ARM GAP ADJUSTMENT BETWEEN TURNTABLE GEAR AND MAIN GEAR 1 Reset the position of the turntable gear so that the gap between the turntable gear and the main gear becomes 47mm 2 Reset the position of the turntable gear so that the turntable gear is located in the center of the notch of the main gear Turntable Gear Main gear 47mm ADJUSTMENT OF MOTOR ROTATION SPEED The rotation of the motor can be changed by the volume incorporated in the motor Remove the bottom plate from the cabinet Align the speed adjusting volume affixed to the cabinet to the position of NEUTRAL In the case the speed is too fast at the position of NEUTRAL turn the volume bolt in the motor in the minus direction with a screwdriver In the case the speed is too slow turn it in the MOTOR CONTROLL plus direction BOARD Check whether the speed is correct with the stroboscope of the turn table 33 r p m 45 r p m m m MOTOR CONTROL BOARD FOIL SIDE CX 065A SONY IC 1 C1 A lu F C6 C7 50V 0 022 0 15u F 50V 50V R3 3
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