ALLEN & HEATH GL2800 Service Information

Kernick Industrial Estate,
Penryn, Cornwall,
England. TR10 9LU
+44 (0)8707 556250
+44 (0)8707 556251
4
GL2800 GROUP 2 & 4
C5865 2 2
PAGE:
TITLE:
DRG No: ISSUE: SHEET: OF
ISSUE BY DATE
FILE: C5865_4P2.Sch 10:21:18 3-May-2005
ALLEN&HEATH
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ABCDEFGH
a
b
c
d
e
CHK
BY
A MG 12-10-04 XXX
5
6
7
U7B
TL072D SMD
R67
56K 0805
R68
82K 0805
D3
BAS16
D4
BAS16
R69
1K8 0805
DG
5 4
2
U8A
LM339 SMD
7 6
1
U8B
LM339 SMD
11 10
13
U8D
LM339 SMD
9 8
14
U8C
LM339 SMD
R70
6K8 1% 0805
R44
6K8 1% 0805
R71
1K2 1% 0805
R72
1K0 1% 0805
R74
120R 1% 0805
+VB
METER
AI1
HOLE-AI
AI2
SLOT-AI
FID1
FIDUCIAL
FID2
FIDUCIAL
3
2
1
U7A
TL072D SMD
C20
47/25
R75
75R 1% 0805
-VB
METER MOULDING
MTR1
LED BAR 4 TOMB_WZ3
C42
1/63
Q5
BC858B
-VB
DG
R37
10K 1% 0805
R73
150K 1% 0805
C41
100N/50V 0805
V-
12
V+
3
U8E
LM339 SMD
V-
4
V+
8
U7C
TL072D SMD
+VB
-VB
1 MG 26/01/05 XXX
2 MG 14/02/05 XXX
BO1
PCB BREAKOUT S LONG
BO2
PCB BREAKOUT S LONG
BO3
PCB BREAKOUT S LONG
BO4
PCB BREAKOUT S LONG
BO5
PCB BREAKOUT S LONG
BO6
PCB BREAKOUT S LONG
BO7
PCB BREAKOUT S LONG
BO8
PCB BREAKOUT S LONG
3 MG 24/03/05 XXX
3.1 MG 19/04/05 XXX
4 MG 29/04/05 XXX
003-355 iss.4
BALANCED OUTPUT OPTION
BALANCED OUTPUT DRIVER, U5.
USE EITHER SSM2142 (AH PART NO. AE0302), OR DRV134PA (AH PART NO. AE5725).
FITTING INSTRUCTIONS
FIT U5 TO SOCKET, REMOVE R51 & R52
ENSURE CORRECT ORIENTATION OF IC

ALLEN & HEATH GL2800 Specifications

General

Direct Outputs	Yes, on mono channels
Effects	None built-in
Type	Analog
Channels	24, 32, or 40
Stereo Channels	4
EQ	4-band EQ
Phantom Power	+48V globally switchable
Dimensions	Varies by model
Weight	Varies by model
Inputs	Mic/Line inputs on mono channels, stereo line inputs on stereo channels
Outputs	Main L/R, Groups, Matrix, Aux
Faders	100mm
Auxiliary Sends	10 aux sends
Groups	8 groups
Power Supply	Internal power supply with external backup option