Service Manual
Page 1
... INFORMATION 26 7.1 IC 26 7.2 DISASSEMBLY 27 7.3 BLOCK DIAGRAM 28 8. CRT2191 BRIDGEABL FOUR-CHANNEL POWER AMPLIFIER GM-X1024 X1R/UC GM-X924 X1R/UC,EW,ES CONTENTS 1. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. MAR. 1998 Printed in Japan GM-X1024/X1R/UC Service Manual ORDER NO. SAFETY INFORMATION 2 2. PCB CONNECTION DIAGRAM 14 5. ADJUSTMENT...
... INFORMATION 26 7.1 IC 26 7.2 DISASSEMBLY 27 7.3 BLOCK DIAGRAM 28 8. CRT2191 BRIDGEABL FOUR-CHANNEL POWER AMPLIFIER GM-X1024 X1R/UC GM-X924 X1R/UC,EW,ES CONTENTS 1. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. MAR. 1998 Printed in Japan GM-X1024/X1R/UC Service Manual ORDER NO. SAFETY INFORMATION 2 2. PCB CONNECTION DIAGRAM 14 5. ADJUSTMENT...
Service Manual
Page 29
... the power is not necessary for speaker outputs A and B to the same position. • Set the gain control to "NORMAL" when this amplifier is set the gain controls for the speakers you want to cut off frequency from 50 to LPF or HPF, you can select a cut the.... 29 Cut Off Frequency Control If the LPF/HPF select switch is connected to the right. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS - GM-X1024,GM-X924 RCA Input Select Switch For two-channel input, slide this switch to a Pioneer car stereo (High voltage output type). For four-channel input, slide this switch to...
... the power is not necessary for speaker outputs A and B to the same position. • Set the gain control to "NORMAL" when this amplifier is set the gain controls for the speakers you want to cut off frequency from 50 to LPF or HPF, you can select a cut the.... 29 Cut Off Frequency Control If the LPF/HPF select switch is connected to the right. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS - GM-X1024,GM-X924 RCA Input Select Switch For two-channel input, slide this switch to a Pioneer car stereo (High voltage output type). For four-channel input, slide this switch to...
Service Manual
Page 30
GM-X1024,GM-X924 30 Connecting the Unit CAUTION • ...Disconnect the negative (-) terminal of the battery to avoid the risk of the wire will be exceeded, causing overheating. To protect the wiring, wrap adhesive tape around it should conform with RCA pin plugs (sold battery wire and ground wire, speaker wires, and the amplifier...for a long time while the engine is used, do not connect anything to metal body or chassis. Amplifier with RCA input jacks Car stereo with RCA output jacks Reverse side RCA output jack RCA input jack ...
GM-X1024,GM-X924 30 Connecting the Unit CAUTION • ...Disconnect the negative (-) terminal of the battery to avoid the risk of the wire will be exceeded, causing overheating. To protect the wiring, wrap adhesive tape around it should conform with RCA pin plugs (sold battery wire and ground wire, speaker wires, and the amplifier...for a long time while the engine is used, do not connect anything to metal body or chassis. Amplifier with RCA input jacks Car stereo with RCA output jacks Reverse side RCA output jack RCA input jack ...
Service Manual
Page 31
... "MIN" side of "NORMAL" when this amplifier is connected to the "NORMAL" position. Speaker Type Sub-woofer Full range Full range Remarks Connect a sub-woofer. If there is distortion when the volume of the car stereo is set the switch to a Pioneer car stereo (High voltage output type). Power ...position. • Set the gain control to "NORMAL" when this amplifier is connected to an AM broadcast with RCA output jacks. Use if you can select a cut the very-low-frequency range because it is switched on. GM-X924/X1R/EW Setting the Unit Gain Control Adjusting the gain controls A and...
... "MIN" side of "NORMAL" when this amplifier is connected to the "NORMAL" position. Speaker Type Sub-woofer Full range Full range Remarks Connect a sub-woofer. If there is distortion when the volume of the car stereo is set the switch to a Pioneer car stereo (High voltage output type). Power ...position. • Set the gain control to "NORMAL" when this amplifier is connected to an AM broadcast with RCA output jacks. Use if you can select a cut the very-low-frequency range because it is switched on. GM-X924/X1R/EW Setting the Unit Gain Control Adjusting the gain controls A and...
Service Manual
Page 32
... a system remote control terminal, connect the male terminal to the positive (+) terminal of the battery. Blue [RD-223] (sold separately). GM-X1024,GM-X924 32 Connecting the Unit CAUTION • Disconnect the negative (-) terminal of the battery to avoid the risk of short-circuit and damage to...the blue wire of whether the car stereo is for speaker connection instructions. regardless of the car stereo (SYSTEM REMOTE CONTROL). RCA input Amplifier with RCA input jacks Connecting wires with RCA pin plugs (sold separately). If the insulation heats up, it in a short-circuit ...
... a system remote control terminal, connect the male terminal to the positive (+) terminal of the battery. Blue [RD-223] (sold separately). GM-X1024,GM-X924 32 Connecting the Unit CAUTION • Disconnect the negative (-) terminal of the battery to avoid the risk of short-circuit and damage to...the blue wire of whether the car stereo is for speaker connection instructions. regardless of the car stereo (SYSTEM REMOTE CONTROL). RCA input Amplifier with RCA input jacks Connecting wires with RCA pin plugs (sold separately). If the insulation heats up, it in a short-circuit ...
Service Manual
Page 33
.... *Average current drawn • The average current drawn is nearly the maximum current drawn by this unit when an audio signal is input. GM-X924/X1R/UC, GM-X924/X1R/EW, GM-X924/X1R/ES Specifications 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)... 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-X1024,GM-X924 33 Use this value when working out total current drawn by multiple power...
.... *Average current drawn • The average current drawn is nearly the maximum current drawn by this unit when an audio signal is input. GM-X924/X1R/UC, GM-X924/X1R/EW, GM-X924/X1R/ES Specifications 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)... 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-X1024,GM-X924 33 Use this value when working out total current drawn by multiple power...