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14:4:2 PSU PCB current sense resistor value change

ECN No:

1029

Assembly No(s):

003-171

Date:

May 19

2004

Reason:

To improve residual audio noise performance.

Details of change:

Assy 003-171, PCB AG5395 iss.1

Change R11 and R12 from 1R 1W (AC3461) to 0R5 1W (AC5757).

This change was applied to issue 1 PCBs from serial no. 064183.

ECN 1029

Содержание MixWizard WZ3

Страница 1: ...SERVICE INFORMATION Publication AP5938 14 4 2 3 MixWizard WZ...

Страница 2: ...b site www allen heath com Product information Technical downloads Distribution contacts Company contacts Technical support support allen heath com See web for local contact WZ3 14 4 2 User Guide AP53...

Страница 3: ...ked on the equipment panel Opening the unit Switch off and remove the mains power cord before opening the equipment Ensure all power supply covers and safety shields are in place before applying power...

Страница 4: ...pdf Mono Input PCB wz3 1442_003 208_mono_input_2 pdf Connector PCB wz3 1442_003 209_connector_1 pdf wz3 1442_003 209_connector_2 pdf Group Group Matrix PCBs wz3 1442_003 210_group_1 3 pdf Stereo Inpu...

Страница 5: ...ly 19 05 04 1023 003 171 W3 PSU PCB current sense resistor value change 064183 19 05 04 1029 003 211 Stereo Input PCB up issue to iss 2 20 05 04 1030 003 209 Connector PCB up issue to iss 2 24 05 04 1...

Страница 6: ...003 171 PSU Module 003 185 Mono Input PCB 003 208 Connector PCB 003 209 Group Matrix PCB 003 210 Stereo Input PCB 003 211 Left PCB 003 212 Right PCB 003 213 Group PCB 003 240 SYS LINK V2 PCB 003 259 P...

Страница 7: ...ING SWITCH AL0162 LATCHING SWITCH AL0162 YELLOW LED AE0084 LATCHING SWITCH AL0162 YELLOW LED AE0084 LATCHING SWITCH AL0162 4PIN FEMALE XLR AL8104 LATCHING SWITCH AL0162 LATCHING SWITCH AL0162 LATCHING...

Страница 8: ...NK OUT option SYS LINK IN option MixWizard WZ3 14 4 2 AUX 5 AUX 4 AUX 3 AUX 2 AUX 1 ALLEN HEATH EXTERNAL DC IN ONLY USE RECOMMENDED ALLEN HEATH POWER SUPPLY REFER TO USER GUIDE FOR DETAILS WARNING THI...

Страница 9: ...CONNECTION SL 4dBu BAL OPTION TIP 2dBu AUX OUT IMPEDANCE BALANCED MUTE 10dB boost 10dB boost TO MATRIX L R MIX AUX MIX 4dBu IMPEDANCE BALANCED AFL FADER 2dBu INSERT SL 10dB boost 10dB boost AUX LR AU...

Страница 10: ...0R R9 180R R13 12K 1 R14 15K D2 BYV27 400 D4 BYV27 400 D7 BYV27 400 D3 BYV27 400 D1 BYV26E C1 47PF 1KV MLC C24 330P DISK C14 100N 100V MLC C13 150P DISK D9 1N5819 D8 1N4002 3 IMcB 11 6 04 R17 6K8 C3 1...

Страница 11: ...003 171 003 171 iss 3...

Страница 12: ...1A SW2PCOL SPUN 5 4 6 SW11B SW2PCOL SPUN R77 22K 1 0805 R80 22K 1 0805 R65 12K 1 0805 R66 12K 1 0805 GRP2 GRP3 GRP4 GRP1 C21 33P 0805 1 3 2 VR10A POT11 20KK 1 3 2 VR11A POT11 20KK 1 3 2 VR12A POT11 20...

Страница 13: ...003 208 iss 2...

Страница 14: ..._SW8 INSRET8 DIR_OUT 8 MIC 8 LINE 8 INSEND8 DIR_OUT 8 MIC 9 MIC 9 LINE 9 LINE 9 48V_SW9 INSEND9 INSRET9 DIR_OUT 9 DIR_OUT 9 MIC 10 MIC 10 LINE 10 LINE 10 48V_SW10 INSEND10 INSRET10 DIR_OUT 10 DIR_OUT...

Страница 15: ...TED A B C D E F G H a b c d e CHK BY 3 1 2 0 CN103 XLR NC3FAV20 T R CN102 JACK V3M T R CN101 JACK V5M C103 47 63 C102 47 63 R100 6K8 1 R101 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100 JAC...

Страница 16: ...E F G H a b c d e CHK BY 3 1 2 0 CN103_1 XLR NC3FAV20 T R CN102_1 JACK V3M T R CN101_1 JACK V5M C103_1 47 63 C102_1 47 63 R100_1 6K8 1 R101_1 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_1...

Страница 17: ...E F G H a b c d e CHK BY 3 1 2 0 CN103_2 XLR NC3FAV20 T R CN102_2 JACK V3M T R CN101_2 JACK V5M C103_2 47 63 C102_2 47 63 R100_2 6K8 1 R101_2 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_2...

Страница 18: ...E F G H a b c d e CHK BY 3 1 2 0 CN103_3 XLR NC3FAV20 T R CN102_3 JACK V3M T R CN101_3 JACK V5M C103_3 47 63 C102_3 47 63 R100_3 6K8 1 R101_3 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_3...

Страница 19: ...E F G H a b c d e CHK BY 3 1 2 0 CN103_4 XLR NC3FAV20 T R CN102_4 JACK V3M T R CN101_4 JACK V5M C103_4 47 63 C102_4 47 63 R100_4 6K8 1 R101_4 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_4...

Страница 20: ...E F G H a b c d e CHK BY 3 1 2 0 CN103_5 XLR NC3FAV20 T R CN102_5 JACK V3M T R CN101_5 JACK V5M C103_5 47 63 C102_5 47 63 R100_5 6K8 1 R101_5 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_5...

Страница 21: ...E F G H a b c d e CHK BY 3 1 2 0 CN103_6 XLR NC3FAV20 T R CN102_6 JACK V3M T R CN101_6 JACK V5M C103_6 47 63 C102_6 47 63 R100_6 6K8 1 R101_6 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_6...

Страница 22: ...E F G H a b c d e CHK BY 3 1 2 0 CN103_7 XLR NC3FAV20 T R CN102_7 JACK V3M T R CN101_7 JACK V5M C103_7 47 63 C102_7 47 63 R100_7 6K8 1 R101_7 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_7...

Страница 23: ...E F G H a b c d e CHK BY 3 1 2 0 CN103_8 XLR NC3FAV20 T R CN102_8 JACK V3M T R CN101_8 JACK V5M C103_8 47 63 C102_8 47 63 R100_8 6K8 1 R101_8 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_...

Страница 24: ...E F G H a b c d e CHK BY 3 1 2 0 CN103_9 XLR NC3FAV20 T R CN102_9 JACK V3M T R CN101_9 JACK V5M C103_9 47 63 C102_9 47 63 R100_9 6K8 1 R101_9 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_...

Страница 25: ...IN_R ST1_IN_L ST1_IN_R ST2_IN_L ST2_IN_R ST2_IN_L ST2_IN_R ST4_IN_L ST4_IN_R T R CN206 JACK V5M T R CN201 JACK V5M T R CN204 JACK V5M T R CN200 JACK V5M T R CN207 JACK V5M T R CN203 JACK V5M T R CN205...

Страница 26: ...T MARTIXA_OUT MATRIXA_OUT AUX3_OUT AUX3_OUT GROUP3_OUT GROUP3_OUT INSEND_G3 INSRET_G3 T R CN312 JACK V3M R312 0R0 T R CN302 JACK V5M 3 1 2 0 CN306 XLR NC3MAV20 R305 100K 1 R304 100K 1 C305 47 25 C304...

Страница 27: ...OUT AUX6_OUT AUX5_OUT AUX6_OUT 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 CN411 BOX 5X2 M 90 DEG AUX5_OUT AUX5_OUT MIXL_OUT MIXL_OUT INSEND_MIXL INSRET_MIXL FROM LEFT AUX6_OUT AUX6_OUT MIXR_OUT MIXR_OU...

Страница 28: ...003 209 iss 1...

Страница 29: ...8 LINE 8 INSEND8 DIR_OUT 8 MIC 9 MIC 9 LINE 9 LINE 9 48V_SW9 INSEND9 INSRET9 DIR_OUT 9 DIR_OUT 9 MIC 10 MIC 10 LINE 10 LINE 10 48V_SW10 INSEND10 INSRET10 DIR_OUT 10 DIR_OUT 10 MIC 1 LINE 1 INSEND1 DI...

Страница 30: ...F G H a b c d e CHK BY 3 1 2 0 CN103 XLR NC3FAV20 T R CN102 JACK V3M T R CN101 JACK V5M C103 47 63 C102 47 63 R100 6K8 1 R101 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100 JACK V5M INSEND...

Страница 31: ...R CN101_1 JACK V5M C103_1 47 63 C102_1 47 63 R100_1 6K8 1 R101_1 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_1 JACK V5M INSEND INSRET L100_1 TCW L101_1 TCW C100_1 15P DISK C101_1 15P DIS...

Страница 32: ...d e CHK BY 3 1 2 0 CN103_2 XLR NC3FAV20 T R CN102_2 JACK V3M T R CN101_2 JACK V5M C103_2 47 63 C102_2 47 63 R100_2 6K8 1 R101_2 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_2 JACK V5M INS...

Страница 33: ...1 2 0 CN103_3 XLR NC3FAV20 T R CN102_3 JACK V3M T R CN101_3 JACK V5M C103_3 47 63 C102_3 47 63 R100_3 6K8 1 R101_3 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_3 JACK V5M INSEND INSRET L10...

Страница 34: ...d e CHK BY 3 1 2 0 CN103_4 XLR NC3FAV20 T R CN102_4 JACK V3M T R CN101_4 JACK V5M C103_4 47 63 C102_4 47 63 R100_4 6K8 1 R101_4 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_4 JACK V5M INS...

Страница 35: ...d e CHK BY 3 1 2 0 CN103_5 XLR NC3FAV20 T R CN102_5 JACK V3M T R CN101_5 JACK V5M C103_5 47 63 C102_5 47 63 R100_5 6K8 1 R101_5 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_5 JACK V5M INS...

Страница 36: ...d e CHK BY 3 1 2 0 CN103_6 XLR NC3FAV20 T R CN102_6 JACK V3M T R CN101_6 JACK V5M C103_6 47 63 C102_6 47 63 R100_6 6K8 1 R101_6 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_6 JACK V5M INS...

Страница 37: ...K BY 3 1 2 0 CN103_7 XLR NC3FAV20 T R CN102_7 JACK V3M T R CN101_7 JACK V5M C103_7 47 63 C102_7 47 63 R100_7 6K8 1 R101_7 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_7 JACK V5M INSEND INS...

Страница 38: ...d e CHK BY 3 1 2 0 CN103_8 XLR NC3FAV20 T R CN102_8 JACK V3M T R CN101_8 JACK V5M C103_8 47 63 C102_8 47 63 R100_8 6K8 1 R101_8 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_8 JACK V5M INS...

Страница 39: ...K BY 3 1 2 0 CN103_9 XLR NC3FAV20 T R CN102_9 JACK V3M T R CN101_9 JACK V5M C103_9 47 63 C102_9 47 63 R100_9 6K8 1 R101_9 6K8 1 LINE LINE MIC MIC 48V_SW DIR_OUT DIR_OUT T R CN100_9 JACK V5M INSEND INS...

Страница 40: ...ST1_IN_R ST2_IN_L ST2_IN_R ST2_IN_L ST2_IN_R ST4_IN_L ST4_IN_R T R CN206 JACK V5M T R CN201 JACK V5M T R CN204 JACK V5M T R CN200 JACK V5M T R CN207 JACK V5M T R CN203 JACK V5M T R CN205 JACK V5M T R...

Страница 41: ...MATRIXA_OUT AUX3_OUT AUX3_OUT GROUP3_OUT GROUP3_OUT INSEND_G3 INSRET_G3 T R CN312 JACK V3M R312 0R0 T R CN302 JACK V5M 3 1 2 0 CN306 XLR NC3MAV20 R305 100K 1 R304 100K 1 C305 47 25 C304 47 25 INSEND_G...

Страница 42: ...1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 CN411 BOX 5X2 M 90 DEG AUX5_OUT AUX5_OUT MIXL_OUT MIXL_OUT INSEND_MIXL INSRET_MIXL FROM LEFT AUX6_OUT AUX6_OUT MIXR_OUT MIXR_OUT INSEND_MIXR INSRET_MIXR 2TRK...

Страница 43: ...003 209 003 209 iss 2...

Страница 44: ...22P_S GROUP_OUT GROUP_OUT R55 4K7 1 0805 R56 4K7 1 0805 R57 4K7 1 0805 R58 4K7 1 0805 C17 47 25 C33 100 25 C34 100 25 R8 47K 0805 R9 47K 0805 1 6 4 VR9A POT14 10KAC C D 2 5 3 VR9B POT14 10KAC C D 8 9...

Страница 45: ...1 2 3 4 CN3 EARTH SCREW TERMINAL NARROW PCB TO PANEL FIXING FOR WZ3 1442 GRP PCB S 3 4 POST_GRP1 POST_GRP2 POST_GRP3 POST_GRP4 LEFT_POST RIGHT_POST MATRIX OUTPUT MATRIX SUBMIX 5 4 6 SW1B SW2PCOL SPUN...

Страница 46: ...003 210 iss 1 3...

Страница 47: ...805 R74 100K 1 0805 R73 100K 1 0805 R72 100K 1 0805 R77 100K 1 0805 R2 2K2 1 0805 R3 2K2 1 0805 R6 2K2 1 0805 R5 2K2 1 0805 R70 8K2 1 0805 R71 8K2 1 0805 R87 27K 1 0805 R86 27K 1 0805 R83 27K 1 0805 R...

Страница 48: ...L072D SMD 5 6 7 U9B TL072D SMD POST_AUX_L POST_AUX_R C27 47 25 C28 47 25 R61 47K 0805 R62 47K 0805 PRE_AUX_L PRE_AUX_R POST_AUX_L POST_AUX_R PRE_AUX_L PRE_AUX_R POST_AUX_L POST_AUX_R R38 NF RES SMD080...

Страница 49: ...003 211 iss 2...

Страница 50: ...5 R9 47K 0805 C18 220 10 R6 47K 0805 2 1 3 SW12A SW2PCOL SPUN 5 4 6 SW12B SW2PCOL SPUN R43 18K 1 0805 VB R39 6K8 1 0805 LD4 LED T1 3MM YELLOW D2 BAS16 PFL_DET PFL AFL FLIP_FADER FLIP_FADER 5 6 7 U5B T...

Страница 51: ...R48 3K3 1 0805 VB 2 1 3 SW3A SW2PCOL SPUN 5 4 6 SW3B SW2PCOL SPUN 2 1 3 SW4A SW2PCOL SPUN 5 4 6 SW4B SW2PCOL SPUN 2 1 3 SW5A SW2PCOL SPUN 5 4 6 SW5B SW2PCOL SPUN 2 1 3 SW6A SW2PCOL SPUN 5 4 6 SW6B SW...

Страница 52: ...003 212 003 212 iss 2...

Страница 53: ...4K7 1 0805 R79 4K7 1 0805 R80 4K7 1 0805 R81 4K7 1 0805 C32 47 25 C33 220 10 R6 47K 0805 2 1 3 SW7A SW2PCOL SPUN 5 4 6 SW7B SW2PCOL SPUN R65 18K 1 0805 VB R60 3K3 1 0805 LD5 LED T1 3MM YELLOW D2 BAS1...

Страница 54: ...0805 R143 10R 0805 HPGND 5 6 7 U11B TL072D SMD 3 2 1 U11A TL072D SMD C13 33P 0805 C14 33P 0805 R26 10K 1 0805 R29 10K 1 0805 R67 33K 1 0805 R68 33K 1 0805 R74 68R 0805 R75 68R 0805 LEFT_POSTFADE RIGHT...

Страница 55: ...SMD 7 6 1 U22B LM339 SMD 11 10 13 U22D LM339 SMD V 12 V 3 U23E LM339 SMD 7 6 1 U23B LM339 SMD 11 10 13 U23D LM339 SMD 9 8 14 U23C LM339 SMD 5 4 2 U23A LM339 SMD R147 180R 0805 R148 220R 0805 R149 220...

Страница 56: ...003 213 003 213 iss 2...

Страница 57: ...I2 HOLE AI P3 PIN SOLDER 1 2MM P4 PIN SOLDER 1 2MM P5 PIN SOLDER 1 2MM P6 PIN SOLDER 1 2MM DGND SYS_AUX1 SYS_AUX2 SYS_AUX3 SYS_AUX4 SYS_AUX5 SYS_AUX6 SYS_MIXR SYS_MIXL SYS_PFL SYS_PFL_ON P1 PIN SOLDER...

Страница 58: ...68 10K 1 0805 R69 5K6 0805 R70 5K6 0805 C26 33P 0805 C25 33P 0805 3 2 1 U12A TL072D SMD R87 10K 1 0805 R88 10K 1 0805 R79 10K 1 0805 R90 10K 1 0805 C34 33P 0805 C30 33P 0805 5 6 7 U12B TL072D SMD R89...

Страница 59: ...003 261 iss 2...

Страница 60: ...ance Details of change Assy 003 209 PCB AG5399 Up issue AG5399 issue 1 to issue 2 to facilitate the following changes Make the following TC links not fitted LK22 LK23 LK24 LK25 LK26 LK27 LK27 LK28 LK2...

Страница 61: ...No s 003 212 Date April 20th 2004 Reason To ensure correct levels prior to production Details of change Assy 003 212 PCB AG5397 PCB up issued from iss 1 to iss 2 Change R26 R27 R28 and R29 from AC501...

Страница 62: ...oise performance ECN No 1022 Assembly No s 003 208 Date May 19h 2004 Reason To stabilize pre amp noise performance Details of change Assy 003 208 PCB AG5400 Change R21 R22 R23 and R24 from AC0370 2k2...

Страница 63: ...date Details of change Assy 003 171 PCB AG5395 Delete the following from 003 171 AA3247 INSUL WASHER TO220 3X1 5MM 3 off AA3248 INSUL PAD TO220 SILICON 3 off Remove nutserts from regulator holes only...

Страница 64: ...9 Assembly No s 003 171 Date May 19h 2004 Reason To improve residual audio noise performance Details of change Assy 003 171 PCB AG5395 iss 1 Change R11 and R12 from 1R 1W AC3461 to 0R5 1W AC5757 This...

Страница 65: ...No s 003 211 Date May 20h 2004 Reason To increase via sizes for test fixtures Details of change Assy 003 211 PCB AG5391 iss 1 Up issue AG5391 issue 1 to issue 2 to facilitate the following changes In...

Страница 66: ...nector PCB up issue to iss 2 ECN No 1035 Assembly No s 003 209 Date May 24h 2004 Reason Stereo inputs incorrect normalising function Details of change Assy 003 209 PCB AG5399 iss 1 Up issue PCB to iss...

Страница 67: ...Assembly No s 003 171 Date May 11h 2004 Reason To stabilise hum performance Details of change Assy 003 171 PCB AG5395 Add TC link as shown This modification was carried out on issue 1 PCBs from 11 05...

Страница 68: ...3 212 PCB AG5397 iss 1 Change C31 from AF0208 CAP ELECT 47MF 25V RAD to AF0210 CAP ELECT 1MF 63V RAD Remove R85 AC0370 RES SMD 2K2 1 0805 Add AF0210 CAP ELECT 1MF 63V RAD AC0031 RES CARBON 1K 1 4W 5 a...

Страница 69: ...ance of pink noise cct Details of change Assy 003 212 PCB AG5397 iss 1 Up issue PCB to issue 2 2 value changes and one additional component Via sizes increased to 1 25mm with 0 6mm holes except a few...

Страница 70: ...1 Date June 21st 2004 Reason To include a Power On LED Details of change Assy 003 213 PCB AG5398 iss 1 Two additional components 1 x LED 1 x resistor not fitted Up issue PCB to issue 2 Also some vias...

Страница 71: ...evious modification prone to shorting Details of change Assy 003 171 PCB AG5395 iss 1 Addtion of H12 sleeving on previous TC Link modification This modification supersedes ECN 1040 and was applied to...

Страница 72: ...eason PCB up issued to improve performance and reliability Details of change Assy 003 171 PCB AG5395 iss 1 AG5395 up issued from iss 1 to issue 3 issue 2 never produced 003 171 PCB Assy value changes...

Страница 73: ...DC cables during assembly Details of change Increase in slot length on Connector Chassis AA5459 Increase in size and change of position of one hole on Blanking Plate AA5497 Addition of Polyethylene Ta...

Страница 74: ...No 1065 Assembly No s 003 213 Date August 20th 2004 Reason Ensure that all LEDs are turned off with no signal present Details of change Assy 003 213 PCB AG5398 Change R144 R147 from 120R to 180R Circu...

Страница 75: ...tails of change Assy 003 261 PCB AG5619 iss 1 Hand mod for existing PCBs Pins 13 and 14 on CN3 need to be taken to GND with wire link Hand mod for existing PCBs Pins 5 and 24 on CN2 need to be taken t...

Страница 76: ...t of the base panel outwards and add one in the middle to aid straightness of base panels Up Issue AA5524 14 4 2 FRONT PANEL FROM 5 TO 6 Up Issue AA5458 W3 BASE PANEL FROM 3 TO 4 Along with the moving...

Страница 77: ...er 27th 2004 Reason To enhance the performance of the 2 track output Details of change Assy 003 213 PCB AG5398 Change R36 R37 from AC0369 RES SMD 1K 1 0805 to AC4101 RES SMD 68R 5 0805 Circuit up issu...

Страница 78: ...eason To improve reliability Details of change Assy 003 171 PCB AG5395 MOSFET heatsink mounting bushes changed to holes for locating retaining clip to prevent pads shearing on PCB Regulator mounting b...

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