Pioneer GM-X374XR/ES 서비스 매뉴얼 - 페이지 3
{카테고리_이름} Pioneer GM-X374XR/ES에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Pioneer GM-X374XR/ES 25 페이지.
페이지 인쇄5
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
5. ELECTRICAL PARTS LIST ........................................18
1. SPECIFICATIONS
Power source .............................................................................................................. 14.4 V DC (10.8 - 15.1 V allowable)
Grounding system ............................................................................................................................................ Negative type
Current consumption ........................................................................................................ 19.2 A (at continuous power, 4 Ω)
Backup current ................................................................................................................................................. 3.0 mA or less
Average current drawn* .......................................................................................................... 6.7 A (4 Ω for four channels)
Fuse .................................................................................................................................................................................. 30 A
Dimensions ........................................................................................................................ 265 (W) × 50 (H) × 237 (D) mm
Weight ........................................................................................................ 2.8 kg (6.2 lbs) (Leads for wiring not included)
Maximum power output ...................................................................................................................... 70 W × 4 / 200 W × 2
Continuous power output .......................................................... 35 W × 4 (at 14.4 V, 4 Ω, 20 - 20,000 Hz, 0.08% THD)
Load impedance ............................................................................................................................ 4 Ω (2 - 8 Ω allowable)
Frequency response ............................................................................................................ 10 - 45,000 Hz (+0 dB, -1 dB)
Signal-to-noise ratio ...................................................................................................................... 100 dB (IHF-A network)
Distortion ............................................................................................................................................ 0.008% (10 W, 1 kHz)
Separation ........................................................................................................................................................ 65 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 (0.2 - 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.
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6. ADJUSTMENT..........................................................20
7. GENERAL INFORMATION .......................................21
7.1 DIAGNOSIS ........................................................21
7.1.1 DISASSEMBLY .........................................21
7.1.2
7.2 IC ........................................................................23
....8
8. OPERATIONS............................................................24
10.9 A (4 Ω for two channels)
[10-1/2 (W) × 2 (H) × 9-3/8 (D) in]
100 W × 2 (at 14.4 V, 4 Ω, 20 - 20,000 Hz, 0.8% THD)
50 W × 4 (at 14.4 V, 2 Ω, 20 - 20,000 Hz, 0.8% THD)
(Bridge connection: 4 - 8 Ω allowable)
Cut off slope: -12 dB/oct
Cut off slope: -12 dB/oct
Speaker: 26 V/40 kΩ (0.8 - 26 V)
GM-X374/XR/UC
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A
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B
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D
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