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Summary of Contents for PL-51A

Page 1: ...SERIrICE MANIIAL ART 126 0 STEREO TURNTABLE r t I j PL 5IA KUT I l l 75CO2M61 K rrroNEEFu ...

Page 2: ...ION i 3 PRINCIPLE OF MOTOR OPERATION 4 ADJUSTMENT 5 EXPLODED VNEWS AND PARTS LIST 5 1 Facking 5 2 Mechanism 6 SCHEMATIC DIAGRAMS P C BOARD PATTERN AND PARTS 6 1 Schmatic Diagram 6 2 Power Supply Circuit Assembly KWR 030 LI ST 4 5 6 7 8 l 16 17 ...

Page 3: ...Anti skating force control Lateral balance weight Oil damping arm elevator H inges F ree adjustable Speed fine adjusters 33 1 3rpm 45rpm for use in turntable speed adjustment with stroboscope and strobolight OTHERS Power requirements AC 120V 60H2 Powerconsumption 5 2W max Outerdimensions 480 W x410 D xt85 H mm 18 718 W x 16 1 8 D x 7 114 Hl in Weight 11 b kg 26 tb ACCESSORY GROUP Overhangadjustmen...

Page 4: ...r slower When the stroboscope appears to stand still the speed is cor rect of the stroboscope band power source and record to read speed as STROEOSCOPE 50H z 60H z 50Hz 60Hz 33 1 3 rprn 45 rpnr ST R OBOL IG HT FUNCTION LBVER This three stage lever turns the motor on ancl off and raises and low ers the tonearm o OFF Position Shuts off power the motor Stopping platter rotation o ON UP Position Switc...

Page 5: ...Q104 6 Q104 serves as a constant current source for Q106 through Ql1 1 in the driver and therefore controls current flow in the drive coils 7 When ambient temperature change causes driver current to rise the speed of rotation increases above the rated value Q104 current increases and Q106 Q111 currents decrease pOLE pOStTtON As a result the speed of rotation falls off DETECTOR OSCI LLATOR REFERENC...

Page 6: ... making adjustment Make sure that both speeds are correct Selection of Line Voltage If model PL 51 does not agree with the line voltage of your service area set the unit to the proper line voltage as follows 1 Remove the bottom cover now you can see the terminal board Fig 2 Unsolder the lead White from the terminal 3 Solder the lead White to the terminal of your local line voltage WH ITE P C BOARD...

Page 7: ...ewd river EP adaptor Main weight assembly Lateral balance weiqht Set screw M4 x 5 Subweight A Overhang checker Parts Box cover Connection caLrles Weighr plate Screw 13mm 11 5mm 8mm Smm 15mm Washer Vinyl bag 5O x 70 x 0 O3 t mm Nut Head Shell Turntable platter Vinyl bag 345x395x0 05 tlmm Packing case Packing stopper Rubber mat assembly KEB 058 0 KAH OO7 A H 52 632 0 E11 O24 O KRB 064 4 KHC 059 0 KN...

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Page 10: ...k head screw M4x10 Lock plate Pan head sems A screw M4 x I Motor Motor hlase Power transformer Transformer base rubber A Transformer holder Pan head sems F screw M4 x 15 Boss Power supply circuit Ass y Cord fixer Boss Terminal board 5P Pan head screw M4 x 12 Wood screw 3 1d x 13 Upper board lnsulator G lnsulator H Power cord grommet P late Lamp cover Strobo lamp Pan head sems F screw M3 x cord Ada...

Page 11: ... 16 Arm board Spri ng Arm lift plate Pan head sems A screw M3 x 5 Lifter shaft angle Cable Terminal strip 1L4P Lift plate Pan head sems A screw M3 x 5 Leaf spri ng Pan head sems A screw M3 x 5 Push button Button shaft Spri ng Lifter base Pan head sems A screw M4 x 6 Bail lever Spri ng KNA 629 E KAM 090 0 KXA 566 A KLA 131 0 KXA 392 0 KLA 350 A KBE 008 0 KBH O22 A KNA 125 A PNW 001 0 PNW O28 A PNW ...

Page 12: ... cord Terminal board assembly P late P late Wood screw 3 1dx 16 Pan head sems F screw M3 x 8 Bottom cover Power supply P C board Capacitor 0 0331 iF Capacitor 0 01pF 1 4kV Mylar tape Terminal B Fuse holder Fuse 0 3A Wired in type Terminal L shaped Fan head sems A screw M3 x 1O Metal oxide 1Ok 2w Tonearm assembly Arm rest assembly Operation mechanism assembly KBK 016 4 KLA 154 0 KNA 191 B KLA 155 B...

Page 13: ...OUTRJT L ch OUTPUTCF Eart h 52 PO JER S JITCH LJl3L____i 0 POWER Dros llZ 192 SUPPLY CIRCUIT ASS Y KWR O3O E POIER P C BOARD KNP O5S A TRANS FORI lER KTT 015 SPEED SELECTOR swtTCH s r O STROBO LAI1P 5P TERMINAL Dtor rM srDol 01 r r rr _t L 16 25D234 HT tr f ll t l l F alsl trll i l ...

Page 14: ...Foil Side r I D o _ oo sIB0l 01 Q ro1 25DZ34 rrsr 034 I D o wz 192 t r ___J tr cf O O CD t v O J c ct FUSE O 3A Croz 4 33 35 o ol o2 o Dlor Dto o f o Hf o SIB0l 01 x 4 e t e fl o o E i i o o 4 3 StH l 6 6 2sD234 Cro e 100 5 o6 o KWR O3O E o 5 o t7 ...

Page 15: ...lectrolytic Electrolytic 330 35V 33 35V 100 25V CEA 331P 35 cEA 330P 35 CEA 101P 25 RESISTORS Symbol Description Part No R 101 R 102 Carbon film 680 Carbon film 680 RD PS 681J RD74PS 681J SEMICONDUCTORS Symbol O1O1 Transistor 25D234 i D101 Diode Sl801 Ol D102 Diode 51801 01 D103 Diode 51801 01 D104 Diode SIBO1 O1 Dl05 Zener diode W2 192 OTHE RS Symbol Description Part No Fuse 0 3A Fuse holder E21 ...

Page 16: ... J p U S F IONEEFl ELECTFIONICS COFIFC FIATIG N 75 Orfo cr D wc Mc r h N a J rs V O7a7a tS A PIONEEFI ELECTFIONIC ELJFIOPE N V Mei Ce Ler Mt 21 aOOO An we p B a g i FIG NEEFI ELECTFIONIC i AL SiTFIALIA PTY LTO P56 A C iy Foad Soutti Me bou ne V t a 3eO5 Aust ar a o MABCH 1Sl5 ...

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