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Related Manuals for ALLEN & HEATH ZED 14 2
Summary of Contents for ALLEN & HEATH ZED 14 2
- Page 1 ALLEN&HEATH SERVICE MANUAL Complete 2 bus ZED 14:2 ZED 24:2 Copyright © 2007 Allen & Heath Limited. All rights reserved Allen & Heath Limited Kernick Industrial Estate, Penryn, Cornwall, TR10 9LU, UK http://www.allen-heath.com ALLEN&HEATH ZED 14 service manual AP7176 Issue 4 Page - 1 - of 11...
- Page 2 Limited One Year Warranty 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.
- Page 3 CONTENTS DEVELOPMENT CHANGES SERVICING PRECAUTIONS AND GENERAL NOTES PARTS IDENTIFICATION • How to order parts • Exterior parts • Interior parts SOFTWARE & FIRMWARE SPECIFICATION ALLEN&HEATH ZED 14 service manual AP7176 Issue 4 Page - 3 - of 11...
- Page 4 DEVELOPMENT CHANGES NOTE: These changes have been implemented at the factory as part of our ongoing development policy. They are not critical to the basic function of the unit. It is for the owner / service engineer to decide to update a unit with development changes. SECURE DISTRIBUTION PCB WITH CABLE TIE [RECN1501] Implemented from serial number Z142X 079304 Secure 003-658 PCB ASSY ZED 14 DISTRIBUTION with AK0332 CABLE TIE 2.5X200MM...
- Page 5 HEADPHONE AMPLIFIER PROTECTION [RECN1518 Resistor Old Value New value Implemented from serial number Z142120x086111 To protect headphone amp compnents from damage when headphone jack is inserted slopwly. Also improves headphone performance. Resistor value changes on headphone/meter PCB 003-659. Resistor Old Value New value HF INSTABILITY On Mono I/P Implemented on Issue 5 mono i/p PCB 003-652.
- Page 6 Servicing Precautions – General Notes Service personnel: Service work should be carried out by technically qualified service personnel only. Mains power is dangerous and can kill. Do not attempt to work on a linear or switched mode power supply if you are not suitably qualified to do so. Do not attempt to repair surface mount circuit assemblies unless you are suitably qualified and have the necessary facilities to do so.
- Page 7 Testing the unit: Before operating the equipment, read and adhere to the Important Safety Instructions printed in the user guide. Test that the service work has been successfully carried out. Shipping the unit: Use adequate packing such as the original packaging or purpose designed flight case if you need to ship the unit.
- Page 8 PARTS IDENTIFICATION 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- heath.com/UK/distributors.asp 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-heath.com/UK/service_centres.asp EXTERIOR PARTS: Nut pot...
- Page 9 MASTER MONO STEREO Mono Gain AI8174 Frequency AI8004 Headphone Boost/cut Boost/cut AI8007 AI8006 AI8005 AI8003 AI8008 AI8007 Aux master AI8008 AI8003 AI8008 Fader mono Fader stereo Fader mono 003-662JIT 003-663JIT 003-662JIT ALLEN&HEATH ZED 14 service manual AP7176 Issue 4 Page - 9 - of 11...
- Page 10 INTERIOR PARTS: USB connector Stereo USB input USB sub assembly 003-655JIT 003-664JIT 003-661JIT Stereo input Distribution PCB 003-653JIT 003-658JIT Mono input Headphones/ 003-652JIT meter PCB 003-659JIT Master PCB 003-657JIT Aux mix PCB 003- 656JIT Fader mono 003-662JIT Fader stereo 003-663JIT Fader mono 003-662JIT Screws:...
- Page 11 SPECIFICATIONS: Operating Levels: Input Mono channel (XLR) Input +6 to –63dBu for nominal (+17dBu in max) Mono channel Line Input (Jack socket) +10 to –26dBu (+30dBu maximum) Insert point (TRS Jack socket) 0dBu nominal +21dBu maximum Stereo Input (Jack sockets) 0dBu nominal (control = Off to +10dB) Stereo input (phono sockets) 0dBu nominal (control = Off to +10dB) Output L, R &...
- Page 14 LK13 LK17 LK21 FID1 FID2 FID3 LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW FIDUCIAL FIDUCIAL FIDUCIAL LK10 LK14 LK18 LK22 +15V LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW ATE1 LK11 LK15 LK19 HOLE-TOOLING 3.5MM...
- Page 17 VR3B LK11 LK13 LK15 LK17 LK19 LK21 LK23 LK25 LK27 LK29 POT14 20KB X2 C/D LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LINK TCW LK10...
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Page 20: Usb_In_L
VR3B SW6B POT14 20KB X2 C/D SW2PCOL (WMF) 33P 0805 PFL_BUS 22K 0805 +15V 2N7_S 33K 1% 0805 22P_S 10K 1% 0805 3K3 1% 0805 PREFADE_L 5K6 0805 LEFT 47/25 2K2 1% 0805 TL072D SMD 47/25 WIPER_L 47K 0805 TL072D SMD +15V 6K8 1% 0805 USB_OUT_L... -
Page 23: Aux1_Pre
MIXL_POST AUX1 OUT PIN-SOLDER 1.5MM 10K 1% 0805 AUX1_OUT MIX_L_PRE +48V_IN 33P 0805 33P 0805 33P 0805 SW1A 75R 1% 0805 33K 1% 0805 SW2PCOL (WMF) 10K 1% 0805 68R 0805 10K 1% 0805 15K 1% 0805 PP_TO_MICS JACK HEADPHONE SW6 (LOCO) 820R 0.5% 0805 TF MIXL 47/63... - Page 26 C6748_3P1 C6748_3P2 C6748_3P3 C6748_3P1.Sch C6748_3P2.Sch C6748_3P3.Sch ALLEN&HEATH ISSUE BY DATE ZED MASTER TITLE: 02/05/06 Kernick Industrial Estate, AAT 25-10-06 Penryn, Cornwall, PAGE: AAT 07-12-06 * All parts to be RoHS Compliant * England. TR10 9LU AAT 01-02-07 AAT 25-06-07 Tel: +44 (0)1326 372070 C6748 DRG No:...
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Page 27: Insret_L
33P 0805 ALT_OUT_L INSEND_L 10K 1% 0805 SW6A SW2PCOL (WMF) INSRET_L MON_SEL_L 10K 1% 0805 SW7A VR2A JACK HEADPHONE SW6 (LOCO) 75R 1% 0805 SW2PCOL (WMF) POT14 20KK X2 MIXL_POST TL072D SMD INSRET_L INSEND_R SW6B MON_SEL_R SW2PCOL (WMF) INSRET_R 33P 0805 SW7B SW2PCOL (WMF) MIXR_POST... -
Page 28: Usb_In_L
MON_SEL_L 4K7 1% 0805 0R0 0805 15P 0805 47/25 33P 0805 100K 1% 0805 10K 1% 0805 METER_L 18K 1% 0805 3K3 1% 0805 PFL_BUS 10K 1% 0805 TL072D SMD 10K 1% 0805 TL072D SMD 47/25 47K 0805 TL072D SMD 10K 1% 0805 4K7 1% 0805 74HCT4053... - Page 29 +15V +15V 180R 0805 10K 1% 0805 47N 0805 BC858B 150K 1% 0805 LM339 SMD LM339 SMD LM339 SMD -15V 180R 0805 LM339 SMD -15V 220R 0805 220R 0805 LM339 SMD LM339 SMD 330R 1% 0805 LM339 SMD 330R 1% 0805 LM339 SMD 560R 1% 0805 LM339 SMD...
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Page 32: Table Of Contents
ST-1 IDC 5X2 F STRT ST-2 ST-3 ST-USB AUX-MIX MASTER PHONES/METER R IDC 5X2 F STRT IDC 5X2 F STRT REC_OUT_R REC_OUT_L USB_IN_R USB_IN_L INSEND_L INSEND_R USB_OUT_R USB_OUT_L AUX4_OUT AUX2_OUT METER_R HEADPHONES_R HEADPHONES_L 2TRK_RTN_R 2TRK_RTN_L USB_IN_R USB_IN_L ALT_OUT_R ALT_OUT_L AUX3_OUT AUX1_OUT AUX1_PRE AUX2_PRE... -
Page 35: Headphones_R Mixr_Post
+15V 180R 0805 10K 1% 0805 47N 0805 BC858B 150K 1% 0805 75R 1% 0805 -15V 180R 0805 LM339 SMD MIXL_POST 220R 0805 75R 1% 0805 XLR NC3MAAH-0 220R 0805 LM339 SMD LM339 SMD 75R 1% 0805 330R 1% 0805 MIXR_POST LM339 SMD +15V... - Page 38 MOUNTING BRACKET AC INLET CONTACT TO CHASSIS T500mA L 250V NTC1 CHOKE 22MH CMC INRUSH SUPP NTC20R 1M2 1/2W IEC MAINS INLET HOLE-FIXING 3.5MM+PAD 2N2 250V/PEM FUSE HOLDER 20MM HOLE-FIXING 3.5MM+PAD 100N 275V/PEM MAINS 100N 275V/PEM EARTH SCREW TERMINAL NARROW INLET 2N2 250V/PEM Earth1...
- Page 40 0R0 0805 +15V +15V 22P_S 22P_S NF FB-SM VDDI 1K5 0805 RC4580 RC4580 R4 22R 0805 -15V -15V 22R 0805 XTAL STRAP L2 FB-SM VBUS VDDI TPS76301DBV-ADJ Vout SSPND 10/16_S VDDI VBUS 1/25T_S VBUS DGND DGNDU TEST1 HID0 TEST0 1/25T_S HID1 VCCXI XTAL 12.0MHZ SMD...
- Page 41 BLOCK DIAGRAM AUX 1 AUX 2 AUX 3 AUX 4 Allen & Heath ZED-14 & 24 User Guide...