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12

GM-X952

A

1

2

3

4

B

C

D

1

2

3

4

AMP UNIT

4. PCB CONNECTION DIAGRAM

4.1 AMP UNIT

NOTE 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

Capacitor

Connector

P.C.Board

Chip Part

SIDE A

SIDE B

A

L

R

INPUT

LPF SELECT

GAIN

A

Summary of Contents for GM-X952

Page 1: ... PTE LTD 253 Alexandra Road 04 01 Singapore 159936 C PIONEER CORPORATION 2000 K ZZS NOV 2000 Printed in Japan ORDER NO CRT2612 BRIDGEABLE POWER AMPLIFIER GM X952 X1R UC EW ES Service Manual 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 16 7 GENERAL INFORMATION 17 7 1 DISASSEMBLY 17 8 OPERA...

Page 2: ...se covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not 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 This product contains lead in solder and certain electrical parts contain ...

Page 3: ...71 Portuguese B Arabic PACKING SECTION PARTS LIST Part No Mark No Description GM X952 X1R UC GM X952 X1R EW GM X952 X1R ES 1 1 Warranty Card Not used HRY1157 Not used 1 2 Owner s Manual HRD0169 HRD0156 HRD0170 1 3 Owner s Manual Not used Not used HRD0171 1 4 Card ARY1048 Not used Not used 2 Screw BYC40P180FZK BYC40P180FZK BYC40P180FZK 3 Polyethylene Bag HEG0011 HEG0011 HEG0011 4 Polyethylene Bag H...

Page 4: ...4 GM X952 2 2 EXTERIOR A ...

Page 5: ...r HNS0101 15 Spacer HNV0016 16 Amp Unit See Contrast table 2 17 Terminal CN850 CKF1059 18 Fuse 25A HEK0025 19 Pin Jack CN851 HKB0002 20 Terminal CN853 HKE0020 21 Terminal CN854 HKE0021 22 Terminal CN855 HKE0021 23 Buss Bar HNC0043 24 Holder HNC0082 25 Screw PPZ30P100SAD 26 Light Pipe Unit HXA0322 2 CONTRAST TABLE GM X952 X1R UC EW and ES are constructed the same except for the following Part No Ma...

Page 6: ...12dB OCT EW ES model A DC DC CONVERTER 6 GM X952 A 1 2 3 4 B C D 1 2 3 4 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 3 SCHEMATIC DIAGRAM 3 1 AMP UNIT GUIDE PAGE Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A ...

Page 7: ...POWER AMP POWER CONTROL MUTE OVER CURRENT DETECTOR AMP GAIN 9 34dB 7 GM X952 5 6 7 8 A B C D 5 6 7 8 A b A ...

Page 8: ...8 GM X952 A 1 2 3 4 B C D 1 2 3 4 INPUT LPF SELECT AMP UNIT ISOLATOR GAIN 1 LP FILTER 80Hz 12dB OCT A A a A b A a ...

Page 9: ...9 GM X952 5 6 7 8 A B C D 5 6 7 8 35V 35V 15V REGULATOR 35V REGULATOR MUTE PWM CONTROLLER BFC EW ES model DC DC CONVERTER A a A b 2 3 1 A a ...

Page 10: ...10 GM X952 A 1 2 3 4 B C D 1 2 3 4 POWER AMP OVER CURRENT DETECTOR AMP GAIN 9 34dB A a A b A b ...

Page 11: ...11 GM X952 5 6 7 8 A B C D 5 6 7 8 POWER CONTROL MUTE A a A b 2 3 1 A b ...

Page 12: ...AGRAMS 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 Capacitor Connector P C Board Chip Part SIDE A SIDE B A L R INPUT LPF SELECT GAIN A ...

Page 13: ...13 GM X952 5 6 7 8 A B C D 5 6 7 8 SPEAKER OUTPUT SPEAKER OUTPUT BFC FUSE POWER A ...

Page 14: ... The part numbers shown below indicate chip components Chip Resistor RS1 _S___J RS1 __S___J Chip Capacitor except for CQS CKS CCS CSZS Unit Number HWH0139 GM X952 X1R UC HWH0138 GM X952 X1R EW HWH0140 GM X952 X1R ES Unit Name Amp Unit MISCELLANEOUS IC 101 IC NJM4558L IC 651 IC PA2027A IC 851 IC NJM2068D IC 852 IC NJM2068D IC 901 IC UPC494C Q 203 Transistor DTA124ES Q 204 Transistor 2SC2458 Q 205 T...

Page 15: ...2Ω CCN1013 R 620 0 22Ω CCN1013 R 621 0 22Ω CCN1013 R 622 0 22Ω CCN1013 R 623 RD1 4PU561J R 624 RD1 4PU561J R 625 RD1 4PU331J R 626 RD1 4PU331J R 657 RD1 4PU104J R 658 RD1 4PU472J R 659 RD1 4PU103J R 660 RD1 4PU102J R 661 RD1 4PU472J R 662 RD1 4PU221J R 663 RD1 4PU563J R 664 RD1 4PU473J R 665 RD1 4PU103J R 666 RD1 4PU103J R 667 RD1 4PU222J R 668 RD1 4PU472J R 669 RD1 4PU562J R 671 RD1 4PU221J R 672...

Page 16: ...3J50 C 656 CEAS470M16 C 658 CEAS220M16 C 659 CEAS471M16 C 661 CFTLA103J50 C 662 CFTLA103J50 C 671 CEAS101M16 C 851 CKPUYB471K50 C 852 CKPUYB471K50 C 853 CEAS100M16 C 854 CEAS100M16 C 859 CCPUSL470J50 C 860 CCPUSL470J50 C 868 CFTLA223J50 C 869 CCPUSL470J50 C 870 CFTLA223J50 C 871 CCPUSL470J50 C 872 CFTLA274J50 C 873 CFTLA274J50 C 876 CFTLA154J50 C 877 CFTLA154J50 C 902 CEAS221M10 C 903 CEAS2R2M50 C...

Page 17: ... Fig 1 Remove the six screws Remove the two screws Remove the three screws and then remove the Case Remove the six screws and then remove the Panel Fig 2 Panel Removing the Amp Unit Fig 2 Remove the twenty screws Remove the screw Remove the twelve screws and then remove the Amp Unit Amp Unit ...

Page 18: ...18 GM X952 8 OPERATIONS AND SPECIFICATIONS 8 1 OPERATIONS GM X952 X1R EW ...

Page 19: ...ency range Speaker Remarks Switch to be output Type LPF left Very Low Frequency range Subwoofer Connect a subwoofer OFF right Full range Full range Setting the Unit Gain Control If the sound level is too low even when the volume of the car stereo used along with this power amplifier is turned up turn gain control on the front of the power amplifier clockwise If the sound distorts when the volume i...

Page 20: ...o with RCA output jacks External Output Connecting wires with RCA pin plugs sold separately RCA input jack System remote control wire sold separately Connect the male terminal of this wire to the system remote control terminal of the car stereo SYSTEM REMOTE CONTROL The female terminal can be connected to the auto antenna relay control terminal If the car stereo does not have a system remote contr...

Page 21: ...e average current drawn is nearly the maximum current drawn by this unit when an audio signal is input Use this value when working out total current drawn by multiple power amplifiers GM X952 X1R EW Power source 14 4 V DC 10 8 15 1 V allowable Grounding system Negative type Current consumption 25 0 A at continuous power 4 Ω Idle current 4 15 mA Average current drawn 8 4 A 4 Ω for two channels 14 5...

Page 22: ... 8 THD 150 W x 2 at 14 4 V 2 Ω 20 20 000 Hz 0 8 THD Load impedance 4 Ω 2 8 Ω allowable Bridge connection 4 8 Ω allowable Frequency response 10 50 000 Hz 0 dB 1 dB Signal to noise ratio 100 dB IEC A network Distortion 0 008 10 W 1 kHz Separation 65 dB 1 kHz Low pass filter Cut off frequency 80 Hz Cut off slope 12 dB oct Maximum input level impedance RCA 6 5 V 22 kΩ 0 4 6 5 V Note Specifications and...

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