Allen GL2800M+service+manual+AP7177+_2电路图.pdf

ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 1 - of 13 GL2800M ALLEN&HEATH SERVICE MANUAL Copyright 2007 Allen & Heath Limited. All rights reserved Allen & Heath Limited Kernick Industrial Estate, Penryn, Cornwall, TR10 9LU, UK http:/www.allen- Limited One Year Warranty RadioFans.CN 收音机爱 好者资料库 ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 2 - of 13 Release notes for this issue This product is warranted to be free from defects in materials or workmanship for period of one year from the date of purchase by the original owner. To ensure a high level of performance and reliability for which this equipment has been designed and manufactured, read this User Guide before operating. In the event of a failure, notify and return the defective unit to ALLEN & HEATH Limited or its authorised agent as soon as possible for repair under warranty subject to the following conditions Conditions of Warranty The equipment has been installed and operated in accordance with the instructions in this User Guide. The equipment has not been subject to misuse either intended or accidental, neglect, or alteration other than as described in the User Guide or Service Manual, or approved by ALLEN & HEATH. Any necessary adjustment, alteration or repair has been carried out by ALLEN & HEATH or its authorised agent. This warranty does not cover fader wear and tear. The defective unit is to be returned carriage prepaid to ALLEN & HEATH or its authorised agent with proof of purchase. Units returned should be packed to avoid transit damage. In certain territories the terms may vary. Check with your ALLEN & HEATH agent for any additional warranty which may apply. For further assistance please contact our distributor or your territory. http:/www.allen- CONTENTS DEVELOPMENT CHANGES RadioFans.CN 收音机爱 好者资料库 ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 3 - of 13 SERVICING PRECAUTIONS AND GENERAL NOTES PARTS IDENTIFICATION How to order parts Exterior parts Interior parts BLOCK DIAGRAM CIRCUIT DIAGRAMS SOFTWARE & FIRMWARE SPECIFICATION RadioFans.CN 收音机爱 好者资料库 ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 4 - of 13 DEVELOPMENT CHANGES ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 5 - of 13 How to order parts Parts must be ordered from our distributor in your territory. A list of international distributors can be viewed at http:/www.allen- UK parts must be ordered through an appointed A&H dealer or service centre. A list of UK service centres can be viewed at http:/www.allen- Knob red AJ2074AJIT Knob dark blue AJ2075AJIT Knob green AJ2074AJIT Knob light blue AJ2075AJIT Knob grey AJ2078AJIT Knob yellow AJ2079AJIT Knob brown AJ2080AJIT Push button square grey AJ2864JIT Push button square white AJ2960JIT Push button square red AJ2961JIT Push button round black AJ4251JIT Push button rect white AJ2962JIT Knob black AJ6106AJIT Push button rect grey AJ2865JIT Fader knob yellow AJ8080JIT Fader knob black AJ3503JIT Fader knob dark blue AJ6237JIT Fader knob light blue AJ8081JIT Fader knob green AJ6691JIT Fader knob brown AJ6692JIT Fader knob grey AJ6278JIT Fader knob red AJ8079JIT Push button rect black AJ3228JIT Fader screw AB2811JIT PARTS IDENTIFICATION EXTERIOR PARTS: ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 6 - of 13 Mono fader PCB assembly 003-613 Mix master fader PCB assembly 003-614 Attention Alps faders shown. Some units may have Panasonic faders. See page 9-13 POTENTIOMETERS & FADERS ChannelMix MasterMaster 1/2 Gain AI3838 EQ boost/cut AI8004 EQ frequency AI8005 Aux 2 4 6 8 10 12 14 16 AI6718 Aux 1 3 5 7 9 11 13 15 AI8006 EQ frequency AI8005 EQ boost/cut AI8004 HPF AI8009 Talkback AI8004 Small headphone 3.5mm AL5323 Big headphone AL5903 Osc/noise AI8111 EXT IN AI8007 Headphone AI8007 PFL trim AI8004 ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 7 - of 13 Feet AK0102JIT Ident strip 1-8 AK6472JIT Ident strip 9-16 AK6473JIT Ident strip 17-24 AK6474JIT Push button tall grey AJ8071JIT XLR screw AB2810 XLR4 pin AL8104 1 234567 8 ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 8 - of 13 INTERIOR PARTS: Mono i/p 003-607JIT Mix master 003-608JIT Master 2 003-610JIT Master 1 003-609JIT 4M connector 003-611JIT Power connector 003-372JIT Master connector 003-612JIT Headphone socket AL6264 Screw (base) AB2809 ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 9 - of 13 IDENTIFY PANASONIC FADERS / ALPS FADERS BY MIXER SERIAL NUMBER List of mixer serial numbers using Panasonic Faders on Mix Masters to date 15109106: L28MON24002847 L28MON32002932 L28MON32002934 L28MON32002935 L28MON32002936 L28MON40002944 L28MON40002945 L28MON24002949 L28MON24002950 L28MON40002951 L28MON40002952 L28MON48002983 L28MON32002985 L28MON24003012 L28MON24003013 L28MON24003014 L28MON24003015 L28MON32003017 L28MON32003019 L28MON40003026 L28MON40003027 L28MON40003028 L28MON40003031 ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 10 - of 13 List of mixer serial numbers using Panasonic Faders on Mix Masters to date 5110106: L28MON24002847 L28MON32002932 L28MON32002934 L28MON32002935 L28MON32002936 L28MON40002944 L28MON40002945 L28MON24002949 L28MON24002950 L28MON24003012 L28MON24003013 L28MON24003014 L28MON24003015 L28MON3200298s L28MON32003017 L28MON32003019 L28MON32003055 L28MON32003063 L28MON32003064 L28MON320031 13 L28MON40002951 L28MON40002952 L28MON48002983 L28MON40003026 L28MON40003027 L28MON40003028 L28MON40003029 L28MON40003031 L28MON40003048 L28MON40003052 L28MON40003055 L28MON400031 19 ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 11 - of 13 GL2800Ms with Panasonic faders on whole mixer. L28MON40003144 L28MON32003132 L28MON40003149 L28MON40003146 L28MON48003161 L28MON32003134 L28MON40003145 L28MON40003142 L28MON32003128 L28MON48003206 L28MON48003207 L28MON48003209 L28MON40003152 L28MON32003191 ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 12 - of 13 SPECIFICATION: Performance Maximum XLR input level +34dBu (inc pad) Maximum XLR output level +26dBu Internal headroom Channels +20dB, Mix +22dB Master meters 12 segment -30 to +16dB, 0VU= +4dBu XLR Channel meters 4 segment -12,0,+6+16dB (5dB before clip) Frequency response 20Hz to 50kHz +0/-1dB Mic CMRR at 1kHz 80dB typical THD+n at +14dBu 1kHz Mic to mix out 90dB Mute shutoff 88dB Inter channel 90dB Noise, rms 22Hz to 22kHz Mic EIN -128dB Residual output noise < -96dBu (-100dB S/N) Mix noise 24 channels 10k ohm Wedge Ext in XLR balanced pin 2 hot 10k ohm, 0dBu, +20dBu max IEM Ext in TRS unbalanced 10k ohm, 0dBu, +20dBu max Talkback mic XLR balanced pin 2 hot Sensitivity -50 to -10dBu Phantom power Internal jumper +48V (fitted) Inserts Channel TRS, tip send, ring return, 0dBu Output TRS, tip send, ring return, -2dBu Mix 1-16 out XLR balanced pin 2 hot <75 ohm, +4dBu, +26dBu max IEM/Wedge out XLR balanced pin 2 hot <75 ohm, +4dBu, +26dBu max Talkback/Osc out XLR balanced pin 2 hot <75 ohm, +4dBu, =26dBu max Headphones TRS, tip L, ring R, 30 to 600 ohm headphones recommended Lamp 4-pin XLR max 12V 5W lamp ALLEN&HEATH GL2800M service manual AP7177 Issue 2 Page - 13 - of 13