Pioneer Elite M-10X Service Manual Download Page 19

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M-10X

6. ADJUSTMENT

6.1 IDLE CURRENT ADJUSTMENT

CAUTION : Heatsinks’ (Q323–Q326) DC level is equal to +B or –B.

Don’t touch them or you will be electricary chocked.

1. Connect the measuring instrument as Fig.6–1. (R415 or R416)
2. Set VR301 and VR302 to minimum.
3. Set the POWER switch to ON.
4. Adjust VR301 (VR302) so that the voltage between both sides of R415 (R416) becomes 16mV±1mV.

(Within 10 seconds from when the relay is turned ON)

5. Ages for 7 minutes.
6. Adjust VR301 (VR302) so that the voltage between both sides of R415 (R416) becomes 11mV±1mV.

Fig. 6–1 Adjustment Method

VR301

VR302

R413

R414

R415

R416

Heat Sink

CN204

AF ASSY

DC Voltmeter

SIDE A

Heat Sink

R417

W212

W150

Summary of Contents for Elite M-10X

Page 1: ...PT 2000 Printed in Japan M 10X 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 3 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 6 4 PCB CONNECTION DIAGRAM 12 5 PCB PARTS LIST 16 6 ADJUSTMENT 19 CONTENTS 7 GENERAL INFORMATION 20 7 1 IC 20 7 2 CIRCUIT DESCRIPTION 21 8 PANEL FACILITIES AND SPECIFICATIONS 21 KU CA AC120V MY AC220 230V THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S Remarks...

Page 2: ...s Simpson Model 229 2 or equivalent between the earth ground and all exposed metal parts of the appliance input output terminals screwheads metal overlays control shaft etc Plug the AC line cord of the appliance directly into a 120V AC 60 Hz outlet and turn the AC power switch on Any current measured must not exceed 0 5 mA FOR USA MODEL ONLY Also test with plug reversed Using AC adapter plug as re...

Page 3: ...t parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Screws adjacent to mark on the product are used for disassembly Mark No Description Part No Mark KU CA type MY type M 10X KU CA and MY are constructed the same except for the following 1 Operating Instructions English ARC7331 Not used 1 Operating Instructions Not...

Page 4: ... 4 8 31 15 15 15 45 45 15 49 45 48 16 51 50 15 45 26 13 15 6 26 10 16 A A 19 42 11 17 17 45 17 43 9 3 44 44 44 5 1 24 46 34 33 33 33 40 27 29 29 28 26 14 28 39 39 39 42 42 42 39 44 47 MY type Only MY type Only KU CA type Only KU CA type Only KU CA type Only 36 A B C D E F 26 2 2 EXTERIOR ...

Page 5: ...exible Cable J1 21P ADD1114 AF CN202 FRONT R CN601 10 Fuse Holder See Contrast table 2 11 Power Transformer T1 See Contrast table 2 NSP 12 Chassis ANA7048 13 Rear Panel See Contrast table 2 14 Insulator PNW2766 15 Screw ABA1018 16 Screw ABA1050 17 Screw 4 12 ABA1014 18 Lens Assy AEC7321 NSP 19 PCB Mold AMR7222 20 Barrier AEC7072 NSP 21 PCB Holder AEC7057 22 Stud Cover AEC7096 NSP 23 PCB Mold AMR15...

Page 6: ...RAM D457 D460 IC451 19 4V 15V R413 A B E LED ASSY AWX7770 J5 FRONT R ASSY AWX7768 AF ASSY AWX7776 KU CA type AWX7767 MY type CN601 J4 J2 DIRECT ENERGY MOS POWER AMP POWER AMP WRLC 29dB CN204 JA101 CN202 CN401 0 7V 50 kΩ 3 1 BLOCK DIAGRAM AND OVERALL SCHEMATIC DIAGRAM ...

Page 7: ... CN801 KU CA type KU CA type KU CA type MY type MY type MY type Description Power amplifier part Revise a wide range linear circuit of A 504R series WRLC and this circuitry uses MOS FET for power output stage without source resistance Power amplifier part Power supply unit consists of main transformer and sub transformerfor u COM Secondary side of main transformer is divided for DIRECT ENERGY MOS ...

Page 8: ...M 10X 8 A B C D 1 2 3 4 1 2 3 4 JA101 CN202 CN601 CN204 INPUT 51k 820k 820k 51k A AF ASSY AWX7776 KU CA type AWX7767 MY type E 3 2 AF and LED ASSYS A ...

Page 9: ...M 10X 9 A B C D 5 6 7 8 5 6 7 8 CN401 J2 CN803 JA401 J5 A To SPEAKER SPEAKER TERMINAL 4 P VKE1002 KU CA type VKE1003 MY type MY type Only B LED ASSY AWX7770 C Audio Signal Route L ch B A ...

Page 10: ... PRIMARY ASSY AWX7771 KU CA type AWX7056 MY type J2 A 6 3A 125V REK1085 KU CA T2AL250V REK1025 MY NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS OF FUSE CAUTION 3 3 AC PRIMARY POWER SW FRONT R and FRONT L ASSYS E C ...

Page 11: ...601 CN701 J4 KU CA type MY type A S901 POWER SW 250V D F FRONT L ASSY AWX7766 POWER SW ASSY AWX7057 CN202 A NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS OF FUSE CAUTION F E D ...

Page 12: ...or Field effect transistor B C E B C E B C E D G S B C E B C E B C E D G S D G S 3 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic diagram 4 Viewpoint of PCB diagrams Resistor array 3 terminal regulator Capacitor Connector P C Board Chip Part SIDE B SIDE A ANP7377 A A B LED ASS...

Page 13: ... 8 5 6 7 8 Q401 Q406 Q413 Q414 Q451 Q452 Q409 Q411 Q323 Q319 Q322 Q412 Q410 Q407 Q408 Q324 IC451 IC151 IC452 IC101 Q313 VR301 VR302 Q318 Q301 Q304 Q251 Q309 Q312 Q325 Q334 IC301 IC251 ANP7376 A Q101 Q104 Q151 Q153 CN601 E A ...

Page 14: ... C D 1 2 3 4 1 2 3 4 ANP7376 A F FRONT L ASSY A KU CA type T1 POWER TRANSFORMER MY type Q705 VR751 VR752 Q704 Q701 Q702 Q707 Q706 Q703 IC751 Q751 Q752 Rear 4 2 AC PRIMARY POWER SW FRONT R and FRONT L ASSYS SIDE A F ...

Page 15: ...7377 A ANP7377 A D POWER SW ASSY C AC PRIMARY ASSY E FRONT R ASSY CN202 A J2 A KU CA type MY type LIVE NEUTRAL Q616 Q606 Q610 Q617 IC603 Q608 Q609 Q605 Q604 IC601 Q603 Q811 IC811 Q602 Q601 Q612 Q613 Q614 Q611 Q615 Q607 VR601 IC602 Q618 SIDE A E D C ...

Page 16: ...s into code form as shown in the following examples Ex 1 When there are 2 effective digits any digit apart from 0 such as 560 ohm and 47k ohm tolerance is shown by J 5 and K 10 560 Ω 56 101 561 RD1 4PU 5 6 1 J 47k Ω 47 10 3 473 RD1 4PU 4 7 3 J 0 5 Ω R50 RN2H Â 5 0 K 1 Ω 1R0 RS1P 1 Â 0 K Ex 2 When there are 3 effective digits such as in high precision metal film resistors 5 62k Ω 562 10 1 5621 RN1 ...

Page 17: ... 19MHz VSS1014 LED ASSY SEMICONDUCTORS D551 BR5064X OTHERS CABLE HOLDER 3P 51063 0305 J5 JUMPER WIRE D15A03 150 2651 Mark No Description Part No AC PRIMARY ASSY SEMICONDUCTORS IC811 NJM78M56FA Q811 2SK1132 D815 HSS104 02 D811 D814 S5688G TRANSFORMERS T801 ATT7009 SWITCHES AND RELAYS RY801 RSR1037 CAPACITORS C801 C802 10000pF 250V ACG7020 C815 3 3µF 25V ACH7027 C813 CEAT471M25 C814 CEBA470M10 C811 ...

Page 18: ... C306 C455 C456 C463 CENA100M50 C459 C460 CENA102M50 C317 C320 CENA470M50 C201 C321 C324 CFTYA224J50 C470 CFTYA823J50 C407 CKCYF223Z50 C310 C327 C409 C453 C454 CKCYF473Z50 C307 C308 220µF 25V PCH1128 RESISTORS R363 R364 RD1 2PMF152J R458 R459 RD1 4LMF2R2J R317 R318 R351 R354 R417 RD1 4MUF101J R452 RD1 4MUF101J R339 R346 RD1 4MUF221J R331 R334 RD1 4MUF391J R367 R368 RD1 4PMF100J R355 R356 RD1 4PMF2...

Page 19: ...nimum 3 Set the POWER switch to ON 4 Adjust VR301 VR302 so that the voltage between both sides of R415 R416 becomes 16mV 1mV Within 10 seconds from when the relay is turned ON 5 Ages for 7 minutes 6 Adjust VR301 VR302 so that the voltage between both sides of R415 R416 becomes 11mV 1mV Fig 6 1 Adjustment Method VR301 VR302 R413 R414 R415 R416 Heat Sink CN204 AF ASSY DC Voltmeter DC Voltmeter SIDE ...

Page 20: ...CATOR 8 P11 O LINE INDICATOR 9 P10 O TAPE1 INDICATOR 10 P27 IN7 O SPEAKER A INDICATOR 11 P26 IN6 O SPEAKER B INDICATOR 12 P25 IN5 O LOUDNESS INDICATOR 13 P24 IN4 O POWER STAND BY INDICATOR 14 P23 IN3 O MUTE INDICATOR MUTE ON Repeats H and L every 1 second 15 P22 IN2 O DIRECT INDICATOR 16 P21 IN1 O TAPE2 INDICATOR 17 P20 IN0 O FUNCTION switch MUTE 18 VREF I Pulls up to 5V 19 XIN I 4 19MHz 20 XOUT O...

Page 21: ...ates the POWER indicator flashes and the unit goes out into standby mode If this occurs check the speaker terminals and speaker cords to make sure they are not shorted then press the STANDBY ON button to turn on the unit If the protection function then operates again unplug the power cord and contact a service center STEREO POWER AMPLIFIER STANDBY ON STANDBY OFF ON POWER Î v m 2 3 1 4 REFERENCE ST...

Page 22: ...cifications and design subject to possible modification without notice due to improvements Measured pursuant to the Federal Trade Commission s Trade Regulation rule on Power Output Claims for Amplifiers Measured by Audio Spectrum Analyzer 0 3 Amplifier Section Continuous power output both channels driven at 20 Hz to 20 kHz T H D 0 09 4 Ω 90 W 90 W T H D 0 05 8 Ω 60 W 60 W DIN Continuous power outp...

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