Service Manual
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CRT2191 BRIDGEABL FOUR-CHANNEL POWER AMPLIFIER GM-X1024 X1R/UC GM-X924 X1R/UC,EW,ES CONTENTS 1. PCB CONNECTION DIAGRAM 14 5. OPERATIONS AND SPECIFICATIONS 29 PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE INC. ELECTRICAL PARTS LIST 19 6. EXPLODED VIEWS AND PARTS LIST 2 3. ADJUSTMENT 25 7. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Lane...
CRT2191 BRIDGEABL FOUR-CHANNEL POWER AMPLIFIER GM-X1024 X1R/UC GM-X924 X1R/UC,EW,ES CONTENTS 1. PCB CONNECTION DIAGRAM 14 5. OPERATIONS AND SPECIFICATIONS 29 PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE INC. ELECTRICAL PARTS LIST 19 6. EXPLODED VIEWS AND PARTS LIST 2 3. ADJUSTMENT 25 7. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Lane...
Service Manual
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.... EXPLODED VIEWS AND PARTS LIST 2.1 PACKING 10 35 2 4 8 7 2 9 6 9 Fig. 1 GM-X1024,GM-X924 1. When servicing or handling circuit boards and other reproductive harm (California Health and Safety Code, Section 25249.5). WARNING Lead in solder used in solder, avoid unprotected skin contact with the solder. Also, when soldering do so and refer the repair to perform the repair of the product and...
.... EXPLODED VIEWS AND PARTS LIST 2.1 PACKING 10 35 2 4 8 7 2 9 6 9 Fig. 1 GM-X1024,GM-X924 1. When servicing or handling circuit boards and other reproductive harm (California Health and Safety Code, Section 25249.5). WARNING Lead in solder used in solder, avoid unprotected skin contact with the solder. Also, when soldering do so and refer the repair to perform the repair of the product and...
Service Manual
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... Card GM-X1024 X1R/UC HHG0154 HHL0154 HRD0056 Not used HRY1070 Part No. Owner's Manual Model GM-X1024/X1R/UC GM-X924/X1R/UC GM-X924/X1R/EW GM-X924/X1R/ES Part No. HRD0056 HRD0057 HRD0059 HRD0058 HRD0068 Language English, French English, French English, French, German, Dutch, Spanish, Italian English, Spanish Arabic, Poltuguese (B) 3 Screws adjacent to ∇ mark on the product are used HRD0068 - GM-X1024,GM...
... Card GM-X1024 X1R/UC HHG0154 HHL0154 HRD0056 Not used HRY1070 Part No. Owner's Manual Model GM-X1024/X1R/UC GM-X924/X1R/UC GM-X924/X1R/EW GM-X924/X1R/ES Part No. HRD0056 HRD0057 HRD0059 HRD0058 HRD0068 Language English, French English, French English, French, German, Dutch, Spanish, Italian English, Spanish Arabic, Poltuguese (B) 3 Screws adjacent to ∇ mark on the product are used HRD0068 - GM-X1024,GM...
Service Manual
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... Lighting Conductor 14 Amp Unit 15 Screw See Contrast table (2) HNS0053 HNV0012 See Contrast table (2) BMS30P060FZK 16 Screw 17 Terminal(CN905) 18 Plug(CN503) 19 Plug(CN553) 20 Connector(CN853) BMS30P080FMC CKF1059 CKS1039 CKS1039 CKS3813 21 Connector(CN852) 22 Holder 23 Cord(CN104) 24 Cord(CN304) 25 Bass Bar CKS3814 CNV4017 HDE5500 HDE5500 HNC0043 26 Bass Bar 27 Bass Bar 28 Bass Bar 29 Bass...
... Lighting Conductor 14 Amp Unit 15 Screw See Contrast table (2) HNS0053 HNV0012 See Contrast table (2) BMS30P060FZK 16 Screw 17 Terminal(CN905) 18 Plug(CN503) 19 Plug(CN553) 20 Connector(CN853) BMS30P080FMC CKF1059 CKS1039 CKS1039 CKS3813 21 Connector(CN852) 22 Holder 23 Cord(CN104) 24 Cord(CN304) 25 Bass Bar CKS3814 CNV4017 HDE5500 HDE5500 HNC0043 26 Bass Bar 27 Bass Bar 28 Bass Bar 29 Bass...
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... constructed the same except for the following: Mark No. 11 14 39 64 65 Symbol and Description Heat Sink Amp Unit Network Unit Plate Unit Sheet Unit GM-X1024 X1R/UC HNR0073 HWH0066 HWG0008 HXA0262 HXA0264 Part No. GM-X924 X1R/UC X1R/EW HNR0093 HNR0093 HWH0067 HWH0064 HWG0009 HWG0006 HXA0112 HXA0112 HXA0116 HXA0116 X1R/ES HNR0093 HWH0065 HWG0007...
... constructed the same except for the following: Mark No. 11 14 39 64 65 Symbol and Description Heat Sink Amp Unit Network Unit Plate Unit Sheet Unit GM-X1024 X1R/UC HNR0073 HWH0066 HWG0008 HXA0262 HXA0264 Part No. GM-X924 X1R/UC X1R/EW HNR0093 HNR0093 HWH0067 HWH0064 HWG0009 HWG0006 HXA0112 HXA0112 HXA0116 HXA0116 X1R/ES HNR0093 HWH0065 HWG0007...
Service Manual
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... -15V REGULATOR D 8 ABCD 1 2 3 VR551:FREQUENCY OFF S551:LPF/HPF SWITCHING CONTROL 3.9V 3.9V 14.4V 5V 5V 2.4V 2.4V 14.4V 0V 3.8V 1.8V 2.2V 0V GM-X924/X1R/EW, GM-X924/X1R/ES BFC H L 6.5V D903,D904:NSPWF50S(AQ) 4 1 2 3 4 GM-X1024,GM-X924 3. SCHEMATIC DIAGRAM A 3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST".
... -15V REGULATOR D 8 ABCD 1 2 3 VR551:FREQUENCY OFF S551:LPF/HPF SWITCHING CONTROL 3.9V 3.9V 14.4V 5V 5V 2.4V 2.4V 14.4V 0V 3.8V 1.8V 2.2V 0V GM-X924/X1R/EW, GM-X924/X1R/ES BFC H L 6.5V D903,D904:NSPWF50S(AQ) 4 1 2 3 4 GM-X1024,GM-X924 3. SCHEMATIC DIAGRAM A 3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST".
Service Manual
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5 6 7 8 GM-X1024,GM-X924 A A-b POWER STAGE A OVER CURRENT DETECTOR B 20.4dBm E F C THERMO DETECTOR / PROTECTOR OVER VOLTAGE DETECTOR / PROTECTOR MUTE CONTROL REGULATOR CONTROL 0.1V 3.2V 0.3V 5V 0V 0.2V 0V 0V 0.2V 14.4V 14.2V 10.7V 14.4V 14.4V 5 6 D Fig. 3 AEF 9 7 8
5 6 7 8 GM-X1024,GM-X924 A A-b POWER STAGE A OVER CURRENT DETECTOR B 20.4dBm E F C THERMO DETECTOR / PROTECTOR OVER VOLTAGE DETECTOR / PROTECTOR MUTE CONTROL REGULATOR CONTROL 0.1V 3.2V 0.3V 5V 0V 0.2V 0V 0V 0.2V 14.4V 14.2V 10.7V 14.4V 14.4V 5 6 D Fig. 3 AEF 9 7 8
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A B C D 1 GM-X1024,GM-X924 10 A-a B C D 1 -10dBm -7.7dBm -10.2dBm HPF LPF VR501:FREQUENCY S501:LPF/HPF OFF A-a A-b -14.4dBm 2 2 3 3 2CH/4CH 2CH 4CH ISOLATOR HPF VR501:FREQUENCY OFF S501:LPF/HPF LPF VR551:FREQUENCY S551:LPF/HPF OFF VR551:FREQUENCY OFF S551:LPF/HPF 4 4
A B C D 1 GM-X1024,GM-X924 10 A-a B C D 1 -10dBm -7.7dBm -10.2dBm HPF LPF VR501:FREQUENCY S501:LPF/HPF OFF A-a A-b -14.4dBm 2 2 3 3 2CH/4CH 2CH 4CH ISOLATOR HPF VR501:FREQUENCY OFF S501:LPF/HPF LPF VR551:FREQUENCY S551:LPF/HPF OFF VR551:FREQUENCY OFF S551:LPF/HPF 4 4
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OFF S551:LPF/HPF 5 5 6 6 -15.4V +15.4V +15V REGULATOR -42.1V +42.1V -29.0V +29.0V RECTIFICATION DC-AC INVERTER -15V REGULATOR SWITCHING CONTROL 3.9V 3.9V 14.4V 5V 5V 2.4V 2.4V 14.4V 0V 3.8V 1.8V 2.2V 0V GM-X924/X1R/EW, GM-X924/X1R/ES BFC H L 6.5V D903,D904:NSPWF50S(AQ) A-a A-b 7 7 GM-X1024,GM-X924 A-a B D 11 8 8 Fig. 4 A B C D
OFF S551:LPF/HPF 5 5 6 6 -15.4V +15.4V +15V REGULATOR -42.1V +42.1V -29.0V +29.0V RECTIFICATION DC-AC INVERTER -15V REGULATOR SWITCHING CONTROL 3.9V 3.9V 14.4V 5V 5V 2.4V 2.4V 14.4V 0V 3.8V 1.8V 2.2V 0V GM-X924/X1R/EW, GM-X924/X1R/ES BFC H L 6.5V D903,D904:NSPWF50S(AQ) A-a A-b 7 7 GM-X1024,GM-X924 A-a B D 11 8 8 Fig. 4 A B C D
Service Manual
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A 4.1 AMP UNIT A AMP UNIT B CN856 B C D A 14 1 OUTPUT INPUT 2CH/4CH B E CN102 D CN552 C CN502 F CN302 B CN857 2 3 A 4 PCB CONNECTION DIAGRAM For further information for several destination. 4. The parts mounted on this PCB include all necessary parts for respective destinations, be sure to check with the schematic diagram. 1 2 GM-X1024,GM-X924 3 4 NOTE FOR PCB DIAGRAMS 1.
A 4.1 AMP UNIT A AMP UNIT B CN856 B C D A 14 1 OUTPUT INPUT 2CH/4CH B E CN102 D CN552 C CN502 F CN302 B CN857 2 3 A 4 PCB CONNECTION DIAGRAM For further information for several destination. 4. The parts mounted on this PCB include all necessary parts for respective destinations, be sure to check with the schematic diagram. 1 2 GM-X1024,GM-X924 3 4 NOTE FOR PCB DIAGRAMS 1.
Service Manual
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... part numbers shown below indicate chip components. ELECTRICAL PARTS LIST NOTE: - Parts whose parts numbers are omitted are subject to being not supplied. - GM-X1024,GM-X924 5. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS.....) CKS....., CCS....., CSZS..... =====Circuit Symbol and No.===Part Name Part No Network Unit Consists of ISO PCB A LPF/HPF PCB B LPF/HPF PCB A P.A.PCB B P.A.PCB B C D E F Unit Number : HWG0008 (GM-X1024/X1R/UC) Unit Number : HWG0009 (GM...
... part numbers shown below indicate chip components. ELECTRICAL PARTS LIST NOTE: - Parts whose parts numbers are omitted are subject to being not supplied. - GM-X1024,GM-X924 5. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS.....) CKS....., CCS....., CSZS..... =====Circuit Symbol and No.===Part Name Part No Network Unit Consists of ISO PCB A LPF/HPF PCB B LPF/HPF PCB A P.A.PCB B P.A.PCB B C D E F Unit Number : HWG0008 (GM-X1024/X1R/UC) Unit Number : HWG0009 (GM...
Service Manual
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...=====Circuit Symbol and No.===Part Name C 968 C 969 C 970 C 971 C 972 C 973 C 974 C 975 C 976 C 995 C 996 Part No CEAS471M35 CEAS471M35 CEASR10M50 CEASR10M50 CEAS470M16 CEAS470M16 CEKA471M50 CEKA471M50 CQPA102J2A CFTLA104J50 CFTLA104J50 CONTRAST TABLE of AMP UNIT GM-X1024/X1R/UC, GM-X924/X1R/UC, GM-X924/X1R/EW and GM-X924.../X1R/ES are constructed the same except for the following: Part No. Symbol and Description GM-X1024/X1R/UC GM-X924/X1R/UC GM-X924/X1R/EW GM-X924/X1R/ES S901 Switch Not used Not used HSH...
...=====Circuit Symbol and No.===Part Name C 968 C 969 C 970 C 971 C 972 C 973 C 974 C 975 C 976 C 995 C 996 Part No CEAS471M35 CEAS471M35 CEASR10M50 CEASR10M50 CEAS470M16 CEAS470M16 CEKA471M50 CEKA471M50 CQPA102J2A CFTLA104J50 CFTLA104J50 CONTRAST TABLE of AMP UNIT GM-X1024/X1R/UC, GM-X924/X1R/UC, GM-X924/X1R/EW and GM-X924.../X1R/ES are constructed the same except for the following: Part No. Symbol and Description GM-X1024/X1R/UC GM-X924/X1R/UC GM-X924/X1R/EW GM-X924/X1R/ES S901 Switch Not used Not used HSH...
Service Manual
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ADJUSTMENT No. Item Conditions 1 Idling current Input ; GM-X1024,GM-X924 6. Connection Diagram +14.4V DC Regulated Power Supply 4Ω (2W) SPEAKER A OUTPUT 4Ω (2W) 4Ω (2W) SPEAKER B OUTPUT 4Ω (2W) POWER GND SYSTEM CONTROL VR951 VR952 mV Meter (1) Q215 Q216 E C VR201 E mV Meter (1) Q115 Q116 E C VR101 E C mV Meter + (3) mV Meter + (2) AMP UNIT GND BR GND 1kΩ VR401 E E VR301 E E Q415 Q416 mV Meter (1) Q315 Q316 mV...
ADJUSTMENT No. Item Conditions 1 Idling current Input ; GM-X1024,GM-X924 6. Connection Diagram +14.4V DC Regulated Power Supply 4Ω (2W) SPEAKER A OUTPUT 4Ω (2W) 4Ω (2W) SPEAKER B OUTPUT 4Ω (2W) POWER GND SYSTEM CONTROL VR951 VR952 mV Meter (1) Q215 Q216 E C VR201 E mV Meter (1) Q115 Q116 E C VR101 E C mV Meter + (3) mV Meter + (2) AMP UNIT GND BR GND 1kΩ VR401 E E VR301 E E Q415 Q416 mV Meter (1) Q315 Q316 mV...
Service Manual
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GENERAL INFORMATION 7.1 IC PA2027A VCC 1 Transient voltage detector Stby 2 Bandgap DET1 3 DET2 4 + - Circuit motion:on zz 50µA zz+- 16 IN1 2V zz+- 15 IN2 2V zz+- 14 IN3 2V 13 Cont_V DET_R 5 GND 6 NC 7 NC 8 - + 4.7kΩ Bandgap:on Switch:on zz + - 2V 5.6V 0.13V + - GM-X1024,GM-X924 7. Oneshot (1µsec) SQ R 20µA + zz 2V 2V - + 12 Filter 11 Vs_out 10 TC 9 Mute_out 26
GENERAL INFORMATION 7.1 IC PA2027A VCC 1 Transient voltage detector Stby 2 Bandgap DET1 3 DET2 4 + - Circuit motion:on zz 50µA zz+- 16 IN1 2V zz+- 15 IN2 2V zz+- 14 IN3 2V 13 Cont_V DET_R 5 GND 6 NC 7 NC 8 - + 4.7kΩ Bandgap:on Switch:on zz + - 2V 5.6V 0.13V + - GM-X1024,GM-X924 7. Oneshot (1µsec) SQ R 20µA + zz 2V 2V - + 12 Filter 11 Vs_out 10 TC 9 Mute_out 26
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Use 2 pcs. Remove eight screws A, seven screws B and two screws C. 2. Remove A LPF/HPF PCB and B LPF/HPF PCB. 3. Remove four screws E and eight screws F. 4. of screw E and insert them little by little until the Heat Sink(Sub) separates from the Heat Sink. 1. D B LPF/HPF PCB A LPF/HPF PCB F D F Heat Sink(Sub) F E E F F F E E F F Amp Unit Heat Sink(Sub) Heat Sink Fig. 14 - therefore, to remove the Amp Unit from the Heat...
Use 2 pcs. Remove eight screws A, seven screws B and two screws C. 2. Remove A LPF/HPF PCB and B LPF/HPF PCB. 3. Remove four screws E and eight screws F. 4. of screw E and insert them little by little until the Heat Sink(Sub) separates from the Heat Sink. 1. D B LPF/HPF PCB A LPF/HPF PCB F D F Heat Sink(Sub) F E E F F F E E F F Amp Unit Heat Sink(Sub) Heat Sink Fig. 14 - therefore, to remove the Amp Unit from the Heat...
Service Manual
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... the speakers you only use one input plug, set the gain controls for speaker outputs A and B to the same position. • Set the gain control to 120 Hz. Cut Off Frequency Control If the LPF/HPF select switch is turned up , turn these controls clockwise. Power Indicator The power indicator lights when the power is connected to the right. GM-X1024,GM-X924 RCA Input Select Switch For two-channel input, slide this switch to a Pioneer car stereo with RCA output jacks. LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch Set the LPF/HPF select switch as...
... the speakers you only use one input plug, set the gain controls for speaker outputs A and B to the same position. • Set the gain control to 120 Hz. Cut Off Frequency Control If the LPF/HPF select switch is turned up , turn these controls clockwise. Power Indicator The power indicator lights when the power is connected to the right. GM-X1024,GM-X924 RCA Input Select Switch For two-channel input, slide this switch to a Pioneer car stereo with RCA output jacks. LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch Set the LPF/HPF select switch as...
Service Manual
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... than sub-woofer Power Nominal input: Min. 65 W Max. Connect the male terminal of this , the battery could go dead. If the car stereo does not have a system remote control terminal, connect the male terminal to metal body or chassis. The current capacity of the amplifier is at rest or idling. • If the blue wire of the wire will occur to the speaker. After making all other equipment by cutting...
... than sub-woofer Power Nominal input: Min. 65 W Max. Connect the male terminal of this , the battery could go dead. If the car stereo does not have a system remote control terminal, connect the male terminal to metal body or chassis. The current capacity of the amplifier is at rest or idling. • If the blue wire of the wire will occur to the speaker. After making all other equipment by cutting...
Service Manual
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... amplifier is connected to the speaker output connector and the car stereo system: LPF/HPF Select Switch LPF (Left) OFF (Center) HPF (Right) Audio frequency range to be output - 50 to 120 Hz Full range 50 to the right. GM-X1024,GM-X924 RCA Input Select Switch For two-channel input, slide this switch to 120 Hz - Speaker Type Sub-woofer Full range Full range Remarks Connect a sub-woofer. Normally, set the gain controls for the speakers you only use one input plug, set...
... amplifier is connected to the speaker output connector and the car stereo system: LPF/HPF Select Switch LPF (Left) OFF (Center) HPF (Right) Audio frequency range to be output - 50 to 120 Hz Full range 50 to the right. GM-X1024,GM-X924 RCA Input Select Switch For two-channel input, slide this switch to 120 Hz - Speaker Type Sub-woofer Full range Full range Remarks Connect a sub-woofer. Normally, set the gain controls for the speakers you only use one input plug, set...
Service Manual
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... W Max. External Output For details on - Blue [RD-223] (sold separately). Because of this wire to the blue wire of the car stereo (SYSTEM REMOTE CONTROL). RCA input Amplifier with RCA input jacks Connecting wires with RCA pin plugs (sold separately). If only one input plug is for several speakers. • This unit is used, do not connect anything to RCA input jack B. Car stereo with RCA output jacks Reverse side RCA output jack RCA input jack A, B Fuse (30 A) × 2 Connecting wires with RCA pin plugs (sold separately). Connect the male terminal...
... W Max. External Output For details on - Blue [RD-223] (sold separately). Because of this wire to the blue wire of the car stereo (SYSTEM REMOTE CONTROL). RCA input Amplifier with RCA input jacks Connecting wires with RCA pin plugs (sold separately). If only one input plug is for several speakers. • This unit is used, do not connect anything to RCA input jack B. Car stereo with RCA output jacks Reverse side RCA output jack RCA input jack A, B Fuse (30 A) × 2 Connecting wires with RCA pin plugs (sold separately). Connect the male terminal...
Service Manual
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... Specifications - Use this unit when an audio signal is nearly the maximum current drawn by this value when working out total current drawn by multiple power amplifiers. GM-X1024,GM-X924 33 Power source ...14.4 V DC (10.8 - 15.1 V allowable) Grounding system ...Negative type Current consumption ...39 A (at continuous power, 4 Ω) Average current drawn* ...11 A (4 Ω for four channels) 18 A (4 Ω for two channels) Fuse ...30 A × 2 Dimensions...
... Specifications - Use this unit when an audio signal is nearly the maximum current drawn by this value when working out total current drawn by multiple power amplifiers. GM-X1024,GM-X924 33 Power source ...14.4 V DC (10.8 - 15.1 V allowable) Grounding system ...Negative type Current consumption ...39 A (at continuous power, 4 Ω) Average current drawn* ...11 A (4 Ω for four channels) 18 A (4 Ω for two channels) Fuse ...30 A × 2 Dimensions...