Service Manual
Page 1
...safety and reliability of the product and may void the warranty. you are not qualified to perform the repair of this manual. PIONEER ELECTRONIC [EUROPE] N.V. ELECTRICAL PARTS LIST 12 6. Also, when soldering do so and refer the repair to do not inhale ... Service Manual ORDER NO. GENERAL INFORMATION 15 7.1 DISASSEMBLY 15 8. WARNING Lead in solder used in this manual. CRT2167 BRIDGEABLE POWER AMPLIFIER GM-X422 X1R/UC, ES, EW GM-X322 X1R/UC CONTENTS 1. EXPLODED VIEWS AND PARTS LIST 2 3. ADJUSTMENT 14 7. Qualified technicians have the necessary test equipment and...
...safety and reliability of the product and may void the warranty. you are not qualified to perform the repair of this manual. PIONEER ELECTRONIC [EUROPE] N.V. ELECTRICAL PARTS LIST 12 6. Also, when soldering do so and refer the repair to do not inhale ... Service Manual ORDER NO. GENERAL INFORMATION 15 7.1 DISASSEMBLY 15 8. WARNING Lead in solder used in this manual. CRT2167 BRIDGEABLE POWER AMPLIFIER GM-X422 X1R/UC, ES, EW GM-X322 X1R/UC CONTENTS 1. EXPLODED VIEWS AND PARTS LIST 2 3. ADJUSTMENT 14 7. Qualified technicians have the necessary test equipment and...
Service Manual
Page 16
...HPF (right) Audio frequency range to be adjusted only when the LPF/HPF select switch is connected to a Pioneer car stereo with your car stereo, change the BFC switch using a small screwdriver. GM-X422, GM-X322 8. Fig. 8 SETTING THE UNIT 16 Gain Control If the sound is too low, even when the... can select a bass boost frequency from 40 to 120 Hz with this amplifier is set to high-frequency range Speaker Type Sub-woofer Full range Tweeter Remarks Connect a sub-woofer. Bass Boost Frequency Control (GM-X422) You can boost the level around the frequency selected by the bass boost...
...HPF (right) Audio frequency range to be adjusted only when the LPF/HPF select switch is connected to a Pioneer car stereo with your car stereo, change the BFC switch using a small screwdriver. GM-X422, GM-X322 8. Fig. 8 SETTING THE UNIT 16 Gain Control If the sound is too low, even when the... can select a bass boost frequency from 40 to 120 Hz with this amplifier is set to high-frequency range Speaker Type Sub-woofer Full range Tweeter Remarks Connect a sub-woofer. Bass Boost Frequency Control (GM-X422) You can boost the level around the frequency selected by the bass boost...
Service Manual
Page 17
...) [RD-222] (sold separately). RCA input Connecting wires with RCA output jacks (2) GM-X422/X1R/ES, GM-X422/X1R/EW Grommet Fuse (30 A) Special red battery wire After making all other connections at the amplifier, connect the battery wire terminal of the battery. If the car stereo does not have... RCA input jacks Car stereo with RCA pin plugs (sold separately). RCA input Amplifier with RCA input jacks Connecting wires with RCA output jacks RCA output jack External Output GM-X422, GM-X322 17 RCA output jack Fuse (20 A) Speaker terminal See the "Connecting the Speaker wires" ...
...) [RD-222] (sold separately). RCA input Connecting wires with RCA output jacks (2) GM-X422/X1R/ES, GM-X422/X1R/EW Grommet Fuse (30 A) Special red battery wire After making all other connections at the amplifier, connect the battery wire terminal of the battery. If the car stereo does not have... RCA input jacks Car stereo with RCA pin plugs (sold separately). RCA input Amplifier with RCA input jacks Connecting wires with RCA output jacks RCA output jack External Output GM-X422, GM-X322 17 RCA output jack Fuse (20 A) Speaker terminal See the "Connecting the Speaker wires" ...
Service Manual
Page 18
...Fig. 12 2. Connect the speaker wires to the speaker terminals. • Fix the speaker wires securely with the amplifier and connect directly to the battery. GM-X422, GM-X322 18 (3) GM-X322/X1R/UC Grommet Fuse (30 A) Fuse (20 A) Speaker terminal See the "Connecting the Speaker wires" section...from the engine compartment to the interior of the vehicle. • After making all other connections at the amplifier, connect the battery wire terminal of the amplifier to the positive (+) terminal of the battery. Fig. 14 Lug Positive terminal Insert the O-ring rubber grommet ...
...Fig. 12 2. Connect the speaker wires to the speaker terminals. • Fix the speaker wires securely with the amplifier and connect directly to the battery. GM-X422, GM-X322 18 (3) GM-X322/X1R/UC Grommet Fuse (30 A) Fuse (20 A) Speaker terminal See the "Connecting the Speaker wires" section...from the engine compartment to the interior of the vehicle. • After making all other connections at the amplifier, connect the battery wire terminal of the amplifier to the positive (+) terminal of the battery. Fig. 14 Lug Positive terminal Insert the O-ring rubber grommet ...
Service Manual
Page 19
...) (Right) Speaker input (Left) (Left) Speaker (Right) Fig. 22 Speaker (Mono) Fig. 23 (3) GM-X422/X1R/EW The speaker output mode can be two-channel (stereo), one -channel bridgeable amplifier, but three channels can be two-channel (stereo), one -channel (mono). To connect the speaker leads to suit...to figures on the high/mid-high. • Remember when bridging an amplifier it may cause damage to the amplifier. • When the inductors and capacitors are connected to prevent short circuits. (2) GM-X422/X1R/ES The speaker output mode can be achieved by combining the stereo...
...) (Right) Speaker input (Left) (Left) Speaker (Right) Fig. 22 Speaker (Mono) Fig. 23 (3) GM-X422/X1R/EW The speaker output mode can be two-channel (stereo), one -channel bridgeable amplifier, but three channels can be two-channel (stereo), one -channel (mono). To connect the speaker leads to suit...to figures on the high/mid-high. • Remember when bridging an amplifier it may cause damage to the amplifier. • When the inductors and capacitors are connected to prevent short circuits. (2) GM-X422/X1R/ES The speaker output mode can be achieved by combining the stereo...
Service Manual
Page 20
GM-X422, GM-X322 - 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. SPECIFICATIONS Power source ...14.4 V DC (10.8 - 15.1 V allowable) Grounding system ...Negative type Current consumption ...12.5 A (at continuous power, 4 ...off slope: -18 dB/oct High pass filter ...Cut off frequency: 80 Hz Cut off slope: -12 dB/oct Bass boost (GM-X422) ...Frequency: 40 - 120 Hz Gain: 0 - 12 dB Bass boost (GM-X322) ...Frequency: 60 Hz Gain: 0 - 12 dB Input level / impedance ...RCA: 0.4 - 4 V / 22 kΩ...
GM-X422, GM-X322 - 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. SPECIFICATIONS Power source ...14.4 V DC (10.8 - 15.1 V allowable) Grounding system ...Negative type Current consumption ...12.5 A (at continuous power, 4 ...off slope: -18 dB/oct High pass filter ...Cut off frequency: 80 Hz Cut off slope: -12 dB/oct Bass boost (GM-X422) ...Frequency: 40 - 120 Hz Gain: 0 - 12 dB Bass boost (GM-X322) ...Frequency: 60 Hz Gain: 0 - 12 dB Input level / impedance ...RCA: 0.4 - 4 V / 22 kΩ...