Pioneer GM-4200 Manual de servicio

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Service
cTVIamial
(i!)
PIONEER
The Art of Entertainment
• GM-H200/UC
ORDER NO.
CRT1381
BRIDGEABLE POWER AMPLIFIER
_
_
_
GM-H2QO
GM-4SOO ew
uc
NOTE:
• In this unit, an electric current of about 40A flows at the continuous power output of 4Q and a
current close to 60A flows at 2Q. Even when there is no signal, a current around 4A flows. There¬
fore, make a test at an appropriate signal level in consideration of the power consumption of the
power supply unit.
CONTENTS
1. SPECIFICATIONS. 2
2. CONTROLS AND THEIR USE (UC). 3
3. CONNECTING THE UNITS (UC) . 4
4. CONTROLS AND THEIR USE (EW) . 7
5. CONNECTING THE UNITS (EW) . 9
6. DISASSEMBLY .13
7. CIRCUIT DESCRIPTION.15
8. CONNECTION DIAGRAM (UC) .18
9. SCHEMATIC CIRCUIT DIAGRAM (UC) .21
10. SCHEMATIC CIRCUIT DIAGRAM (EW).24
11. CONNECTION DIAGRAM (EW) .27
12. EXPLODED VIEW .30
13. PACKING METHOD .33
14. ELECTRICAL PARTS LIST .34
PIONEER ELECTRONIC CORPORATION
4-1, Meguro 1-Chome. Meguro-ku. Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC.
P.O. Box 1760, Long Beach. California 90801 U.S.A.
PIONEER ELECTRONICS OF CANADA, INC.
50S Cochrane Drive, Markham, Ontario L3R 8E3 Canada
PIONEER ELECTRONIC [EUROPE] N.V.
Keetberglaan 1. 9120 Beveren. Belgium
PIONEER ELECTRONICS AUSTRALIA PTY. LTD.
178-184 Boundary Road, Braeside. Victoria 3195, Australia TEL: [03] 580-9911
© PIONEER ELECTRONIC CORPORATION 1991
FA MAY 1991 Printed in Japan