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C275BEE C / A H
STEREO AMPLIFIER
SERVICE MANUAL
STEREO AMPLIFIER
C275BEE C/AH
CONTENTS
FRONT PANEL/REAR PANEL VIEW 3
SPECIFICATIONS 4
ALIGNMENT PROCEDURE/ALIGNMENT POINTS 5
WIRING DIAGRAM 6
SCHEMATIC DIAGRAM 7-12
PCB LAYOUT 13-18
ELECTRICAL PARTS LIST 19-32
EXPLODED VIEW 33
EXPLODED VIEW PARTS LIST 34
PACKING DIAGRAM 35
SERVICE SAFETY PRECAUTIONS
1. Replacing the Fuses
CAUTION: FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE
REPLACE ONLY WITH SAME TYPE OF FUSE.
REFERENCE NO. PART NUMBER DESCRIPTION
Rear Panel
AH A20-12103-00 Littelfuse618 T10AL/250V
C A20-12702-20 Littelfuse618 T5AL/250V
STANDBY Board
F401 A20-12102-00 Littelfuse618 T1AL/250V
NOTE:
*AH : North American version only
*C : European version only
2. Safety-check out (North American model only)
Before returning the product to the customer, make leakage current or
resistance measurements to determine that exposed parts are acceptably
insulated from the supply circuit.
Parts marked with the symbol are critical with regard to the risk of fire and
electric shock.Replace only parts recommended by the manufacturer.
-2-
-3-
SPECIFICATIONS
FIXED IN, SPEAKER OUT
Continuous average power , stereo,8 and 4 ohms at rated thd ,20-20k > 150W
Continuous average power 8 ohms , bridge mode > 330W
Rated thd, 20-20k, SMPTE and CCIF IMD, DIM 100 < 0.009%
Clipping power ( 1% thd at 1kHz) >170W
IHF dynamic power 8 ohms >250W
IHF dynamic power 4 ohms >410W
IHF dynamic power 2 ohms >600W
IHF dynamic power 8 ohms(Bridge Mode) >800W
IHF dynamic power 4 ohms(Bridge Mode) >1200W
Peak output current 1msec, 1 ohm > 50A
S/N A wtd re 1 W >102 dB
S/N A Wtd re 150W >123 dB
Damping factor ( re 8 ohms, 50 Hz and 1kHz) > 180
Frequency response 20-20k < +/- 0.1 dB
Frequency response - 3dB 3Hz