Bose PowerMatch PM8250 Service Manual

26
6. Display PCB Removal
6.1 Disconnect the chassis from AC mains.
6.2 Wait at least five (5) minutes to allow the
power supply capacitors to discharge.
Perform procedure 1.
6.3 Unplug the ribbon cable on the digital
PCB at J17.
6.4 On the outside top front edge of the
chassis, remove the three screws that
secure the front panel to the chassis.
6.5 Remove the six screws that secure the
front panel assembly to the chassis at the
front rack ears.
Lift off the front panel assembly.
6.6 Remove the four screws that secure the
keypad / display subassembly to the front of
the chassis. Lift out the display subassembly
through the front panel.
DISASSEMBLY PROCEDURES

Bose PowerMatch PM8250 Specifications

General

Damping factor	1000
Amplifier class	D
Audio output channels	- channels
Peak power per channel	- W
Signal-to-Noise Ratio (SNR)	99 dB
Total Harmonic Distortion (THD)	0.4 %
Bridge-mode power output per channel (4 Ohm)	500 W
Purpose	Performance/stage
Equalizer	Yes
Product color	Black
Connectivity technology	Wired
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Speakers connectivity type	-
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %

Weight and Dimensions

Depth	525 mm
Width	483 mm
Height	88 mm
Weight	11100 g