Location of IC upgrade for the AVR500/AVR7000:
9) Replace DSP PC Board back into its (3) receptacle plugs atop the MAIN PCB.
10) Replace all screws, braces, and any cable ties that were cut during disassembly. Before tightening the
screws, make sure all PCB?s and their RCA jacks are firmly seated in their respective holes in the rear
backplate. If using a power tool, use care and minimum effort to avoid damaging the various plastic
receptacles.
11) Plug both the 22 conductor ribbon cable and the 5 conductor molex cable back into their receptacles.
12) Replace the top cover and optical plugs.
13) Test unit by powering up the receiver and playing a music source in the Logic 7 mode.
AVR7000 ONLY: MODIFICATION OF THE DSP BOARD (replace IC101 AT27LV020A)
WARNING: FOLLOW PROPER STATIC CONTROL PROCEDURES and use caution during the installation of
new IC101 to prevent damage.
1) Remove the top cover, (16) Black Phillips screws at the sides and rear of the unit.
2) Locate the DSP PC Board and IC101 with the illustrations above.
3) Unsolder IC101 AT27LV020A and replace with hk part# 55172540AVR7000. See illustration above for
location on PCB.
4) Replace top cover and all Phillips screws.
5) Test unit by powering up the receiver and playing a music source in the Logic 7 mode.
Model Serial Number Serial Number
120V 230V RDS STATUS ACTION
TH0003-01000
AVR7000 To Modified by factory Noise in Logic 7 Mode Replace IC101
AT27LV020A
TH0003-05222
TH0003-05223
AVR7000 Modified by factory Modified by factory NONE REQUIRED
Or higher
20 |
ACEC
HARMAN KARDON
