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PIONEER ELECTRONIC CORPORATION

4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan 

PIONEER ELECTRONICS SERVICE INC.     P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER ELECTRONIC [EUROPE] N.V.    Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium 
PIONEER ELECTRONICS ASIACENTRE PTE.LTD.   501 Orchard Road, #10-00, Wheelock Place, Singapore 238880

PIONEER ELECTRONIC CORPORATION 1998 

K-ZED. FEB.1998 Printed in Japan

ORDER NO.

CRT2190

BRIDGEABLE POWER AMPLIFIER

S

ervice

M

anua

l

GM-X622 

X1R/UC

GM-X622/X1R/UC

CONTENTS

1. SAFETY INFORMATION ............................................2

2. EXPLODED VIEWS AND PARTS LIST .......................2

3. SCHEMATIC DIAGRAM .............................................6

4. PCB CONNECTION DIAGRAM ................................12

5. ELECTRICAL PARTS LIST ........................................14

6. ADJUSTMENT..........................................................17

7. GENERAL INFORMATION .......................................18

7.1 IC .........................................................................18

7.2 DISASSEMBLY ...................................................19

7.3 BLOCK DIAGRAM ..............................................20

8. OPERATIONS AND SPECIFICATIONS.....................21

GM-X622 

X1R/EW

GM-X622 

X1R/ES

GM-X522 

X1R/UC

Summary of Contents for GM-X522 X1R/UC

Page 1: ...elock Place Singapore 238880 C PIONEER ELECTRONIC CORPORATION 1998 K ZED FEB 1998 Printed in Japan ORDER NO CRT2190 BRIDGEABLE POWER AMPLIFIER Service Manual GM X622 X1R UC GM X622 X1R UC CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 2 3 SCHEMATIC DIAGRAM 6 4 PCB CONNECTION DIAGRAM 12 5 ELECTRICAL PARTS LIST 14 6 ADJUSTMENT 17 7 GENERAL INFORMATION 18 7 1 IC 18 7 2 DISASSEMBLY 19...

Page 2: ...ot qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician WARNING Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxicant which may cause birth defects or other reproductive harm California Health Safety Code Section 25249 5 When...

Page 3: ...used for disassembly 2 CONTRAST TABLE GM X622 X1R EW GM X622 X1R UC GM X622 X1R ES and GM X522 X1R UC are constructed the same except for the following Part No GM X622 GM X522 Mark No Symbol and Description X1R EW X1R UC X1R ES X1R UC 7 Carton HHG0153 HHG0149 HHG0152 HHG0150 8 Contain Box HHL0153 HHL0149 HHL0152 HHL0150 10 1 Owner s Manual HRD0044 HRD0041 HRD0043 HRD0042 10 2 Owner s Manual Not us...

Page 4: ...4 GM X622 GM X522 Fig 2 2 2 EXTERIOR ...

Page 5: ...11 912 IRFIZ44N 38 Thermistor TH901 902 CCX1013 39 Panel HNB0035 40 46 47 Diode D907 YG902C2 48 Diode D910 YG902N2 49 Clip See Contrast table 2 1 EXTERIOR SECTION PARTS LIST Mark No Description Part No Mark No Description Part No NOTE Parts marked by are generally unavailable because they are not in our Master Spare Parts List Screws adjacent to Ñ mark on the product are used for disassembly 2 CON...

Page 6: ... sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A b A a A a A b A b A b A b A a A a Large size SCH diagram Guide page Detailed page A A a SPEAKER INPUT Lch INPUT Rch INPUT 3 4 2 1 20K E 20K E 20K E 20K E 7 9 8 6 3 4 2 1 5 7 6 8 DC AC INVERTER REGULATOR RECTIFICATION VR101 FREQUENCY S101 LPF HPF ISOLATOR LPF HPF ...

Page 7: ... B C D 5 6 7 8 Fig 3 A b A POWER AMP BFC THERMO DETECTOR PROTECTOR OVER VOLTAGE DETECTOR PROTECTOR MUTE CONTROL REGULATOR CONTROL VR451 BASS BOOST LEVEL VR452 BASS BOOST fc VR453 GAIN S451 BASS BOOST BASS BOOST SWITCHING CONTROL ...

Page 8: ...453 GAIN S101 LPF HPF ISOLATOR LPF HPF BASS BOOST GM X622 X1R EW GM X622 X1R UC GM X622 X1R ES GM X522 X1R UC VR101 Not used CCS1251 Not used Not used R117 118 8R2K Not used 8R2K 8R2K R121 122 8R2K Not used 8R2K 8R2K GM X622 X1R EW GM X622 X1R UC GM X622 X1R ES GM X522 X1R UC VR452 Not used CCS1242 Not used Not used R459 460 Not used 8R2K Not used Not used R471 472 33K Not used 33K 33K ...

Page 9: ...9 GM X622 GM X522 5 6 7 8 A B C D 5 6 7 8 A a A a A b 3 4 2 1 5 7 6 8 DC AC INVERTER REGULATOR RECTIFICATION SWITC CONTR Fig 4 ...

Page 10: ...10 GM X622 GM X522 A 1 2 3 4 B C D 1 2 3 4 POWER AMP SS BOOST LEVEL SS BOOST fc N S451 BASS BOOST A b A a A b ...

Page 11: ...TECTOR PROTECTOR MUTE CONTROL REGULATOR CONTROL SWITCHING CONTROL H L Fig 5 A b A a A b GM X622 X1R EW GM X622 X1R UC GM X622 X1R ES GM X522 X1R UC S451 CSH1021 Not used CSH1021 Not used S901 HSH 156 Not used HSH 156 Not used R463 464 Not used 0R0 Not used 0R0 R926 1M Not used 1M Not used ...

Page 12: ...E FOR PCB DIAGRAMS 1 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 2 Viewpoint of PCB diagrams 1 2 3 4 5 6 7 8 9 10 S101 FREQ LPF HPF INPUT PRE OUT BASS BOOST FREQ BASS BOOST LEVEL GAIN BASS BOOST C A AMP UNIT ...

Page 13: ...BFC FU901 BACKUP GND SYSTEM CONTROL L L R R L L R R SPEAKER INPUT SPEAKER OUTPUT A A B B 1 2 3 4 8 7 6 5 C 13 GM X622 GM X522 5 6 7 8 A B C D 5 6 7 8 A SIDE A Fig 8 ...

Page 14: ...6 FET IRFIZ44N Q 907 Transistor 2SD2395 Q 908 Transistor 2SB1566 Q 909 Transistor 2SD1919 Q 910 Transistor 2SD1919 Q 911 FET IRFIZ44N Q 912 FET IRFIZ44N D 551 Diode HZS6L B1 D 552 Diode HZS6L B1 D 553 Diode 1SS133 D 554 Diode 1SS133 D 555 Diode 1SS133 D 556 Diode 1SS133 D 557 Diode 1SS133 D 558 Diode 1SS133 D 601 LED BR4361F D 653 Diode 1SS133 D 654 Diode HZS7L B2 D 658 Diode 1SS133 D 659 Diode 1S...

Page 15: ...D1 4PU472J R 574 RD1 4PU472J R 575 RD1 4PU101J R 576 RD1 4PU101J R 577 RD1 4PU512J R 578 RD1 4PU512J R 579 RD1 4PU222J R 580 RD1 4PU222J R 581 RD1 4PU181J R 582 RD1 4PU181J R 583 RD1 4PU100J R 584 RD1 4PU100J R 585 RD1 4PU100J R 586 RD1 4PU100J R 587 0 1 CCN1082 R 588 0 1 CCN1082 R 595 RD1 4PU563J R 596 RD1 4PU563J R 597 RD1 4PU564J R 598 RD1 4PU564J R 599 RD1 4PU473J R 600 RD1 4PU473J R 601 RS1 2...

Page 16: ...0M50 C 553 CKPUYB221K50 C 554 CKPUYB221K50 C 555 CQMA471J50 C 556 CQMA471J50 C 557 CFTLA104J50 C 558 CFTLA104J50 C 559 CEAS101M10 C 560 CEAS101M10 C 561 CCPUCH150J50 C 562 CCPUCH150J50 C 563 CMA330J2H C 564 CMA330J2H C 565 CFTLA223J50 C 566 CFTLA223J50 C 567 CFTLA333J50 C 568 CFTLA333J50 C 569 CQMA102J50 C 570 CQMA102J50 C 571 CMA100J2H C 572 CMA100J2H C 573 CMA100J2H C 574 CMA100J2H C 651 220µF 1...

Page 17: ...22 X1R ES GM X522 X1R UC VR101 Not used CCS1251 Not used Not used VR452 Not used CCS1242 Not used Not used S451 CSH1021 Not used CSH1021 Not used S901 HSH 156 Not used HSH 156 Not used R117 118 RD1 4PU822J Not used RD1 4PU822J RD1 4PU822J R121 122 RD1 4PU822J Not used RD1 4PU822J RD1 4PU822J R463 464 Not used RD1 4PU0R0J Not used RD1 4PU0R0J R459 460 Not used RD1 4PU822J Not used Not used R471 472...

Page 18: ...5 6 7 8 9 10 11 12 13 14 15 16 VCC Stby DET1 DET2 DET_R GND NC NC IN1 IN2 IN3 Cont_V Filter Vs_out TC Mute_out zz 2V zz 2V zz 2V 2V zz 2V 20mA zz 2V zz 50mA 4 7k Transient voltage detector Bandgap Circuit motion on 5 6V Q S R Oneshot 1msec Bandgap on Switch on 0 13V ...

Page 19: ...e 2 pcs of screw C and insert them into the two holes marked with an arrow 5 Alternately tighten them little by little until the Sub Heat Sink Sub separates from the Heat Sink Fig 8 Removing the Case and the Panel Units 1 Remove eight screws A and nine screws B 2 Remove Case and Panel Units Fig 7 Case Panel Unit Panel Unit Heat Sink Sub Heat Sink Sub Amp Unit Heat Sink A A A A A A A B B B B B B B ...

Page 20: ...20 GM X622 GM X522 Fig 8 7 3 BLOCK DIAGRAM A BFC BASS BOOST ...

Page 21: ...8 THD Load impedance 4 W 1 8 W allowable Bridge connection 2 8 W allowable Frequency response 10 50 000 Hz 0 dB 1 dB Signal to noise ratio 105 dB IHF A network Distortion 0 005 10 W 1 kHz Separation 70 dB 1 kHz Low pass filter Cut off frequency 50 120 Hz Cut off slope 12 dB oct High pass filter Cut off frequency 50 120 Hz Cut off slope 12 dB oct Bass boost Frequency 40 120 Hz Gain 0 12 dB Input le...

Page 22: ...unter clockwise Set the gain control to NORMAL when this amplifier is connected to a Pioneer car stereo with RCA output jacks If the sound level is too low or distorts adjust the gain control If you hear much noise when using the speaker input terminals turn the gain control clockwise Adjust the gain control to the MIN side of NORMAL when this amplifier is connected to a Pioneer car stereo High vo...

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