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Table Of Contents; Specifications - Pioneer GM-4000F/X1R/EW Servise Manual

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5
CONTENTS
SAFETY INFORMATION............................................2
1. SPECIFICATIONS .......................................................3
2. EXPLODED VIEWS AND PARTS LIST ......................4
2.1 PACKING..............................................................4
2.2 EXTERIOR ............................................................6
3. SCHEMATIC DIAGRAM.............................................8
3.1
4. PCB CONNECTION DIAGRAM................................14
4.1 AMP UNIT..........................................................14

1. SPECIFICATIONS

Power source .......................................................................................................... 14.4 V DC (10.8 - 15.1 V allowable)
Grounding system .......................................................................................................................................... Negative type
Backup current .................................................................................................................................................. 3 mA or less
Current consumption .................................................................................................... 18.1 A (at continuous power, 4 Ω)
Average current drawn* ........................................................................................................ 6.6 A (4 Ω for four channels)
Fuse .............................................................................................................................................................................. 25 A
Dimensions ...................................................................................................................... 300 (W) × 61 (H) × 237 (D) mm
Weight .................................................................................................................... 3.8 kg (Leads for wiring not included)
Maximum power output .................................................................................................................... 70 W × 4 / 150 W × 2
Continuous power output ........................................................................ 45 W × 4 / 100 W × 2 (DIN45324, +B=14.4 V)
Load impedance .......................................................................................................................... 4 Ω (2 - 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 ...................................................................................................................................................... 60 dB (1 kHz)
Low pass filter .............................................................................................................................. Cut off frequency: 80 Hz
High pass filter ............................................................................................................................ Cut off frequency: 80 Hz
Maximum input level/impedance .................................................................................. RCA: 6.5 V/22 kΩ (0.4 - 6.5 V)
Note:
• Specifications and the design are subject to possible modification without notice due to improvements.
*Average current drawn
• The 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.
5
6
5. ELECTRICAL PARTS LIST........................................18
6. ADJUSTMENT .........................................................21
7. GENERAL INFORMATION.......................................22
7.1 DIAGNOSIS .......................................................22
7.1.1 DISASSEMBLY.........................................22
7.1.2
.....8
8. OPERATIONS ...........................................................24
9.0 A (4 Ω for two channels)
(Bridge connection: 4 - 8 Ω allowable)
Cut off slope: -12 dB/oct
Cut off slope: -12 dB/oct
Speaker: 26 V/40 kΩ (1.6 - 26 V)
GM-4000F/X1R/EW
6
7
7
8
A
......23
B
C
D
E
F
3
8

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