Pioneer GM-X742 Service Manual

PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2000
K-ZZA. JAN. 2000 Printed in Japan
ORDER NO.
CRT2454
BRIDGEABLE POWER AMPLIFIER
GM-X942 X1R/UC,EW,ES
Service
Manual
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST.......................2
3. SCHEMATIC DIAGRAM .............................................8
4. PCB CONNECTION DIAGRAM ................................20
5. ELECTRICAL PARTS LIST ........................................28
6. ADJUSTMENT..........................................................33
7. GENERAL INFORMATION .......................................34
7.1 DISASSEMBLY ...................................................34
7.2 IC .........................................................................36
8. OPERATIONS AND SPECIFICATIONS.....................37
GM-X742 X1R/UC,EW,ES
GM-X942/X1R/UC

Pioneer GM-X742 Specifications

General

Channels	4
Bridged RMS Power Output (4 Ohms)	150 Watts
Frequency Response	10Hz
Signal to Noise Ratio	100dB
Crossover Frequency	40 Hz
Bass Boost	0 dB