Korg EMX-1 Service Manual Download Page 1

Page: 1 / 24

EMX1

CONTENTS

Circuit Diagram: Page 2-10

Block Diagram: Page 11

Structural Diagram: Page 12

Test Mode: Page 13-19

Calibration: Page 20-21

Parts List: Page:22-24

4th Edition

Issued date: July 15, 2004

Issued by: KORG INC.

Summary of Contents for EMX-1

Page 1: ...M Ma a an n nu u ua a al l l EMX1 CONTENTS Circuit Diagram Page 2 10 Block Diagram Page 11 Structural Diagram Page 12 Test Mode Page 13 19 Calibration Page 20 21 Parts List Page 22 24 4th Edition Issued date July 15 2004 Issued by KORG INC ...

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Page 13: ...e circuit L R balance calibration Tube gain balance measurement SHIFT DRUM PART 1 POWER ON Internal skip SHIFT DRUM PART 3 POWER ON Audio test 16 Proceed the test SHIFT 15 Re executing the test ITEM UP ITEM DOWN STEP UP STEP DOWN NOTE To proceed the SmartMedia test it is required to prepare a SmartMedia whose capacity is more than 16MB ...

Page 14: ...EMX 1 Valve L R Balance Adjust Cable White White Red Red 2 2M ΩMetal Film Resistor x 2 ...

Page 15: ...Test Mode 1 Internal test After replacing the main board please take the following procedures firstly 1 Connect the audio cable as follows ...

Page 16: ...IC 16 is displayed and stops for a while please switch the MIC LINE switch to MIC 6 1 Switch and LED check Once PANEL is displayed all LED checks start If OK press 16 Press switches indicated in the LED Start AUDIO IN End 16 6 2 Rotary encoder check R Enc If RE 1 000 is displayed rotate the Dial knob 24 steps to the right If RE 1 024 is displayed press 16 If RE 1 000 is displayed rotate Dial knob ...

Page 17: ...bon controller Then Ribbon is displayed Drag upward on the Ribbon If Ribbon 127H is displayed OK Drag downward on the Ribbon If Ribbon 001LH is displayed OK Press 16 6 6 LCD Dot check LCD All the LCD dots light up If no problem press 16 All the LCD dots turn off If no problem press 16 Light up the LCD dots half by half alternatively Turn off the STANDBY POWER switch Test Mode 2 System Data Loading...

Page 18: ...cable to PHONES and the monaural plug to AUDIO IN 2 Insert the SmartMedia which is supplied by Korg 3 Turn the power on while pressing ERASE PART EDIT 1 NAND Fmt OK 2 NAND Init 3 NAND Format 4 NAND Sys Ld 5 NAND DSP Ld ῌῌ6 NAND UserLd ...

Page 19: ...ess SHIFT 15 If the system data is loaded correctly Valv Wup sec 000 160sec is indicated in the display If any other message is displayed such as x it might be an error Wait until the tube test counter is displayed as 000sec approx 160 seconds later Then please proceed to the Tube calibration test ...

Page 20: ...the waiting time is indicated Set up the volume knob and switches as follows MASTER VOLUME MAX TUBE GAIN MIN AUDIO IN LEVEL MAX MIC LINE MIC 3 Ajst L and a 4 digits figure are indicated in the LCD If the value is leas than 0010 the test is O K Press the 16 knob at the right bottom If the value is over it it is required to adjust the valve Adjust the variable resistors which correspond to the chann...

Page 21: ...he value is over it it is required to adjust the valve Adjust the variable resistors which correspond to the channels referring to the photo above 5 Once the balance of L R is automatically adjusted ValvGMax GainMx is indicated in the LCD Turn the TUBE GAIN knob to MAX and press the 16 knob 6 Check the L R balance of TUBE GAIN MAX and return to the normal mode End ...

Page 22: ...JU6468FG1 00 KLM 2367 1 320012317 IC MBM29LV004TC 90TN KLM 2366 1 320018007 IC AK4527BVQ S KLM 2366 1 324003071 IC TC58128AFT EL KLM 2366 1 324007002 IC BA10358F T1 2K TS KLM 2366 2 324007005 IC BA05FP E2 TS KLM 2366 1 324009004 IC NJM78L05UA TE2 TS KLM 2366 1 324009036 IC NJM4556AM T1 KLM 2369 1 324009039 IC NJM4580M TE1 TS KLM 2369 2 324009041 IC NJM79L09UA TE1 TS KLM 2369 1 324009048 IC NJM2114...

Page 23: ...LM 2444 45 2 324X120008 IC NJM7806FA KLM 2444 45 1 335X120000 CRYSTAL OSC HC 49US 12 00MHZ KLM 2366 1 335X120001 CRYSTAL OSC HC 49US 10 00MHZ KLM 2366 1 362X120000 VR R1111NOA V1B103FH00 00 10KB KLM 2444 45 9 362X120001 VR R1111NOA V1B103FH01 00 10KB KLM 2444 45 5 362X120002 VR R1111RGOA V1B103FH00 10KBX2 KLM 2444 45 2 362X120003 VR R1111GOA V1B503FH00 50KBX2 KLM 2444 45 1 365X120000 SVR RS45111C6...

Page 24: ...G F40709 M PART 4 575X120000 LED SPACER LEDH 6 KLM 2444 45 1 575X120001 LED HOLDER KOC E30318 KLM 2444 45 1 580X120000 X 1200 LENS SHEET KOC F41050 M PART 2 620X120000 X 1200 PATTERN KEY KOC E30294 M PART 1 620X120001 X 1200 PART KEY KOC E30295 1 M PART 1 620X120002 X 1200 EDIT KEY KOC E30296 1 M PART 1 620X120003 X 1200 SELECT KEY M KOC E30297 M PART 1 620X120004 X 1200 SLIDER KNOB KOC E40557 M P...

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