Yamaha MX61, Service Manual

Page 1: ...DISASSEMBLY PROCEDURES 8 LSI PIN DESCRIPTION LSI 14 CIRCUIT BOARDS 18 TEST PROGRAM 29 37 USER DATA BACKUP 46 FACTORY SET 47 PROGRAM INSTALLATION PROCEDURE 48 52 SYSTEM BOOTING FLOWCHART 56 57 DM CIRCU...

Page 2: ...sumed that basic service procedures inherent to the industry and more specifically Yamaha Products are already known and understood by the users and have there fore not been restated WARNING Failure t...

Page 3: ...o 999 types Others Sequence software compatible with the Remote Control function For Windows Cubase 6 or later SONAR X1 Producer For Mac Cubase 6 or later Logic Pro 9 Digital Performer 7 Functions to...

Page 4: ...dows Cubase 6 SONAR X1 Producer Mac Cubase 6 Logic Pro 9 Digita l Performer 7 1 1 4 DATA 1 3 LED 20 2 LCD OUTPUT L MONO R PHONES FOOT CONTROLLER SUSTAIN MIDI IN OUT USB TO HOST TO DEVICE AUX IN DC IN...

Page 5: ...PATTERN button EXT SONG External Song button TEMPO button Voice Category button PART SELECT button DC IN jack Standby On switch MIDI IN OUT terminals USB terminals SUSTAIN jack FOOT CONTROLLER jack A...

Page 6: ...11P 700mm DM Ass y PNB CIRCUIT BOARD W10 ZC03620 PNB1 PNB CN802 3 4 PNA CN605 1 4 10P 170mm PNB W20 ZC03630 PNB2 PNB CN801 3 4 PNA CN604 1 4 8P 170mm FLT CIRCUIT BOARD 60 ZA17370 WIRING FLT CN901 3 4...

Page 7: ...U270 ZC89590 GND DM PLATE 8 JK PLATE 8 1P 100mm DM CIRCUIT BOARD ASSEMBLY D60 WE32820 PH DM CN305 1 5 JK CN603 1 5 11P 700mm DM Ass y PNB CIRCUIT BOARD W10 ZC03620 PNB1 PNB CN802 3 4 PNA CN605 1 4 10P...

Page 8: ...n be removed Fig 1 Disassembly procedures of the MX61 and MX49 are almost the same For that reason we explain disassembly procedure of the MX61 as a representative here 1 Ass y 2 1 1 60 11 80 3 Ass y...

Page 9: ...ired About 3 minutes 4 1 Remove the upper case assembly See procedure 1 4 2 Remove the four 4 screws marked U220C The FLT circuit board can then be removed Fig 2 5 DC IN Circuit Board Time required Ab...

Page 10: ...then be removed Fig 4 7 PNB Circuit Board Time required About 4 minutes 7 1 Remove the upper case assembly See procedure 1 7 2 Remove the two 2 screws marked U220D the screw marked D30 and six 6 scre...

Page 11: ...can then be removed Photo 1 The LCD assembly consists of the LCD display and the CN circuit board 9 Wheel Assembly Time required About 4 minutes 9 1 Remove the upper case assembly See procedure 1 9 2...

Page 12: ...ach screws marked 120A The white and black keys in the set can then be removed Fig 6 When removing unfasten the two 2 hooks at the back of the black keys upward and lift the white and black keys while...

Page 13: ...ig 7 When installing the 61L circuit board tighten the screws in numerical order from 1 to 12 Fig 8 10 5 61H Circuit Board 10 5 1 Remove the white and black keys from C4 to C6 See Fig 6 and Procedure...

Page 14: ...Test mode enable 11 EXTEN I External MCU mode enable 12 RSTO O Reset output 13 P3 0 General purpose I O port bits 0 through 1 14 P3 1 I O 15 P3 2 XINT I O General purpose I O port bits 0 through 1 Ext...

Page 15: ...R8A02042BG YC479A00 SWX08 DM IC101 15 MX61 MX49...

Page 16: ...16 MX61 MX49...

Page 17: ...6 I O 18 P20 SI30 I O Port 2 Serial data input 19 P21 SO30 I O Port 2 Serial data output 20 P22 SCK30 I O Port 2 Serial clock input output 21 P23 RxD0 I O Port 2 Serial data input 22 P24 TxD0 I O Port...

Page 18: ...cuit Board YE093C0 19 DM Circuit Board YE094C0 20 FLT Circuit Board YE093C0 19 JK Circuit Board YE093C0 25 PNA Circuit Board YE091C0 22 PNB Circuit Board YE092B0 24 TOME Circuit Board YE092B0 19 TOME2...

Page 19: ...t side Component side Component side Component side Component side CN Circuit Board FLT Circuit Board TOME Circuit Board TOME2 Circuit Board DC IN Circuit Board 2NA ZA59360 2NA ZA59360 2NA ZA88970 1 2...

Page 20: ...DEVICE USB TO HOST IN to 61H CN1 to 49L CN5 to 61L CN5 to CN CN804 to PNA CN601 to 61H CN2 to FLT CN901 Standby on MIDI OUT IN to JK CN603 A A A A 2NA ZA67560 1 Component side DM Circuit Board 20 MX6...

Page 21: ...B B B B DM Circuit Board 2NA ZA67560 1 Pattern side 21 MX61 MX49...

Page 22: ...A B C D MASTER VOLUME SELECT JOB UTILITY FILE STORE EDIT OCTAVE TRANSPOSE KNOB FUNCTION PART 1 2 LINK DAW REMOTE STOP PLAY C C C C PNA Circuit Board 2NA ZA58780 Component side 22 MX61 MX49...

Page 23: ...to PNB CN802 to PNB CN801 to DM CN303 to JK CN602 to Wheel to JK CN604 D D D D PNA Circuit Board 2NA ZA58780 Pattern side 23 MX61 MX49...

Page 24: ...ENTER SHIFT DEC NO R SPLIT ARP RHYTHM PATTERN EXT SONG TEMPO PART SELECT BRASS SAX WOODWIND ETHNIC MUSICAL EFX STRINGS SOUND EFX BASS DRUM PERCUSSION GUITAR CHROMATIC PERCUSSION ORGAN SYN COMP KEYBOA...

Page 25: ...to PNA CN606 PHONES L MONO R AUX IN FOOT CONTROLLER SUSTAIN OUTPUT to DM CN305 to PNA CN602 2NA ZA88970 1 JK Circuit Board Component side 25 MX61 MX49...

Page 26: ...to DM CN402 to 61H CN3 F F F F 49L Circuit Board MX49 only Component side 2NA ZA13490 26 MX61 MX49...

Page 27: ...G G G G 49L Circuit Board MX49 only 2NA ZA13490 Pattern side 27 MX61 MX49...

Page 28: ...to 61H CN3 to DM CN402 to DM CN401 to 61L CN4 to DM CN403 H H H H I I I I 61H Circuit Board 61L Circuit Board MX61 only Component side Component side 2NA V869540 2NA V869520 28 MX61 MX49...

Page 29: ...s Level meter with a JIS C filter Frequency counter The number of decimal places of measurable value is more than 3 Oscilloscope Note The input impedance of the measuring instrument must be more than...

Page 30: ...ress the INC or DEC button or turn the DATA dial to select a test item 3 Press the ENTER button to execute a test If the result is successful In the acceptable selection screen an asterisk will be dis...

Page 31: ...st confirm that OK is displayed on the LCD OK OK NG NG Note If the test no 6 All memory simple check is executed this test can be skipped 006 006 All Memory Chk Checks all the ROMs and RAMs Simple che...

Page 32: ...the output signal is muted Confirm MUTE ON is displayed on the LCD and the output sound is muted Also confirm each output level is as follows at that time PHONES L 36 0dBu or less PHONES R 36 0dBu or...

Page 33: ...with increasing count number up to 8 Then turn it counterclockwise with decreasing count number down to 8 Confirm the encoder moves smoothly Thereby OK is displayed for the encoder After executing the...

Page 34: ...nfirm that OK is displayed on the LCD When the result is OK Connect USB Storage is displayed Then connect a USB storage device to the USB TO DEVICE terminal Confirm that OK is displayed on the LCD 026...

Page 35: ...Refer to the test no 011 for more details But the inspection of the segment display is executed by 033 PNA SW LED chk 035 035 Output Full R Full Level Output R Check While sound is output ON is displa...

Page 36: ...l L and R Confirm each output level is as follows at that time PHONES L 85 0dBu or less PHONES R 85 0dBu or less Noise Level OUTPUT Connect the level meter to the OUTPUT terminals L MONO and R Insert...

Page 37: ...38 Factory Set 1 1 1 AC PA 150A 1 2 JIS C 3 1M OUTPUT L MONO R 10k PHONES L R 33 1 3 FC 3 FC 7 MIDI USB A B USB MIDI 37 MX61 MX49...

Page 38: ...2 C2 F2 G2 C2 1 3 MX61 MX49 2 1 1 LCD TEST TEST ENTER 2 INC DEC DATA 3 ENTER OK OK No OK EXIT NG NG EXIT 1 C2 3 G2 F2 1 C2 3 G2 F2 38 MX61 MX49...

Page 39: ...AM Chk1 Effect RAM Effect RAM LCD OK OK OK NG NG No 6 006 006 All Memory Chk CPU ROM RAM Wave ROM Effect RAM LCD OK OK OK NG NG ROM RAM Wave FX NG NG OK No 2 3 4 5 007 007 Pitch Chk LCD ON PHONES L R...

Page 40: ...R L MONO R MASTER VOLUME OUTPUT L 62 0dBu 010 010 MUTE Chk PHONES PHONES L R INC LCD MUTE ON PHONES L 36 0dBu PHONES R 36 0dBu OUTPUT OUTPUT L MONO R L MONO R INC LCD MUTE ON OUTPUT L 42 0dBu OUTPUT R...

Page 41: ...INC YES 8 018 018 Encoder Chk 8 8 LCD OK OK OK 019 019 Pitch Bend Chk C3 G3 C4 LCD OK PitchBendUp yy PitchBendDown yy PitchBendCenter yy yy OK OK 020 020 Modulation Chk C3 G3 LCD OK ModWheelUp yy Mod...

Page 42: ...026 USB FunctionChk USB to Host USB TO HOST PC USB PC AsioLoopBack exe CPU USB IC LCD MIDI OK OK MIDI OK Audio Out NG MIDI NG Serial MIDI NG GPIO FULL CN MIDI NG GPIO HIDMIDI SUS C3 USB Ch1 PC PC OUT...

Page 43: ...SW LED No 011 SW Push SELECT SELECT No 011 034 034 PNB SW LED Chk PNB SW LED No 011 No 011 033 PNA SW LED Chk 035 035 Output Full R R LCD ON No 008 No 008 OUTPUT R 0dBFS No 008 OUTPUT R 12dBFS 8dBu 03...

Page 44: ...OFF OUTPUT L 500mVp p OUTPUT R 500mVp p PHONES PHONES L R PHONES L 92 0dBu PHONES R 92 0dBu OUTPUT OUTPUT L MONO R L MONO R OUTPUT L 85 0dBu OUTPUT R 85 0dBu AUX IN OUTPUT L MONO R L MONO R AUXIN L R...

Page 45: ...ENTER 047E G 2 38 27 LAYER LAYER 070B belong to SW Red A2 39 28 SPLIT SPLIT 070C belong to SW Red A 2 3A 29 ARP ARP 070D belong to SW Red B2 3B 30 RHYTHM PATTERN RHYTM PATTERN 070E belong to SW Red C...

Page 46: ...then press ENTER 4 Assign a name to the file Enter a file name by using the DATA dial or the INC YES DEC NO buttons 5 Press ENTER 6 Press INC YES The file is saved to the USB flash memory To cancel t...

Page 47: ...peatedly if necessary after canceling NOTICE When setting the Power On Auto to on and executing Factory Set the Factory Set operation will automatically be executed each time you turn the power on Kee...

Page 48: ...e USB TO DEVICE terminal of the instrument 2 While pressing Play Pause button turn on the Standby On switch The version displayed here varies depending on the program in the instrument i e it is not a...

Page 49: ...rsion was upgraded 7 4 When executing Factory Set press ENTER button to return to the item selection screen and select 038 Factory Set Press Play Pause button and the version of the program to be inst...

Page 50: ...um of the installer Reading of the installer failed incorrect checksum The checksum included in the installer file is inapplicable The file is damaged or tampered Please eject the media Remove the med...

Page 51: ...error An error has occurred with the data address Reading failed The address of the data is incorrect Flash ID error An error has occurred with the flash ID Writing failed The Flash ROM is not connect...

Page 52: ...USB USB TO DEVICE USB 1 MX4961SETUP PRG USB USB TO DEVICE 2 1 00 Please insert the media USB USB USB 3 USB 52 MX61 MX49...

Page 53: ...6 USB 7 7 1 38 7 2 ENTER 1 001 Version 7 3 ENTER 7 4 Factory Set ENTER 038 Factory Set 4 X XX 5 53 MX61 MX49...

Page 54: ...error Please eject the media Please insert the media Installer not found Installer data error Installer data mismatch Program error Please update the OS Booter ver XXX The media can t be used FAT12 F...

Page 55: ...ted Program is ver X XX X XX Data read error Data checksum error Data address error Flash ID error ID ROM Flash erase error ROM Flash write error ROM Flash verify error ROM Flash checksum error ROM Da...

Page 56: ...S Start EICN H IC101 C12 Contrast sertting LCDCONT_A C 011 LCD_CONT 3 IC205 9 10 11 Port initial setting DAC IC L IC310 5 MIDI E L IC101 D13 Contrast setting LCDCONT_A C 011 LCD_CONT 3 IC205 9 10 11 E...

Page 57: ...DI E L IC101 D13 LCDCONT A C 011 LCD CONT 3 IC205 9 10 11 EBUS EBUS Start EICN H IC101 C12 BOOT SDRAM 0 SWX DAC IC H IC310 5 USBC RES L IC304 9 Update H IC304 31 STBY H IC101 V2 MUTE L IC101 T4 MIDI O...

Page 58: ...L509 Multimeter IC502 TL506 5LED 5V power for LED drive circuit 5 0V 0 5V LDGND TL510 Multimeter IC502 TL507 3 3D 3 3V power for digital circuit 3 3V 0 3V DGND TL509 Multimeter IC504 TL102 1 2D 1 2V p...

Page 59: ...507 3 3D 3 3V 3 3V 0 3V DGND TL509 IC504 TL102 1 2D 1 2V 1 2V 0 2V DGND TL509 IC104 TL504 9A 9V 9 0V 1 0V AGND TL508 IC503 TL319 5A 5V 5 0V 0 5V AGND TL508 IC312 TL101 RESET CPU Reset 3 3V 0 3V DGND T...

Page 60: ...ARTS LIST MUSIC SYNTHESIZER WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed B British model C Cana...

Page 61: ...U150 U140 U220 U220 U200 U110 U220 U220 U100 U270 U240 U220 Lower key bed assembly Ass y U180 U170 40 90 30 50 10 U100 b U100 a 110 100 Upper case assembly Ass y LCD assembly LCD Ass y 20 80 60 60 60...

Page 62: ...0 U120 ZA58860 0 CIRCUIT BOARD PNA U140 ZA59370 0 CIRCUIT BOARD PNB U150 DM CIRCUIT BOARD ASSEMBLY ZD71820 U160 JK CIRCUIT BOARD ASSEMBLY ZD71830 U170 ZA94940 0 DC IN ESCUTCHEON U180 ZA82880 0 CIRCUIT...

Page 63: ...220 U220 U200 U110 U220 U220 U100 U270 U240 U220 U180 U170 40 90 30 50 10 U100 b U100 a 110 100 20 80 60 60 60 U90 Wheel assembly See page 8 Ass y 8 Upper case assembly Ass y Keyboard unit See page 10...

Page 64: ...ZA58860 0 CIRCUIT BOARD PNA U140 ZA59370 0 CIRCUIT BOARD PNB U150 DM CIRCUIT BOARD ASSEMBLY ZC97380 U160 JK CIRCUIT BOARD ASSEMBLY ZC97390 U170 ZA94940 0 DC IN ESCUTCHEON U180 ZA82880 0 CIRCUIT BOARD...

Page 65: ...700 WE32820 D70 REUSE CLAMP RLWT 1V0 TKK ZC97350 4 D80 REUSE CLAMP RBWS 1212E VO WW71360 D90 ZD14180 0 CUSHION PE 40x50x4 D100 SUPPORT ANGLE MX61 ZD29830 D110 CUSHION PE 30x7x2 MX61 ZD71640 REF NO PA...

Page 66: ...8 MFZN2W3 MX61 8 J30 WE774300 BIND HEAD TAPPING SCREW B 3x8 MFZN2W3 MX49 6 J40 CB829850 CORD BINDER S 34B E 3 03 J50 REUSE CLAMP RBWS 1212E VO WW71360 J60 SUPPORT ANGLE MX61 ZD29830 J70 CUSHION PE 30x...

Page 67: ...PER CS RING TYPE M12 EW60011 01 60 VQ76430 0 ROTARY VARIABLE RESISTOR S 10K RK1631110T54 03 70 VN24540R TOTARY VARIABLE RESISTOR 10K RK16311 03 80 CONNECTOR ASSEMBLY WHEEL 5P WV71160 90 CB069250 CORD...

Page 68: ...ELT L 11x827 WHITE 02 85 V Z 3 0 2 9 01 FELT U 5x836 WHITE 02 90 WA52510R CUSHION SHEET 01 100 WE774300 BIND HEAD TAPPING SCREW B 3x8 MFZN2W3 7 110 WH899400 BIND HEAD TAPPING SCREW P 3x12 MFZN2W3 SP 1...

Page 69: ...ZA13480 0 CIRCUIT BOARD 49L 75 V869620R CONNECTOR ASSEMBLY 16N 2M C61 01 85 WK156900 FELT U WHITE UPPER 675 5 SHIRO 02 160 WK157600 FELT L WHITE LOWER 668 11 SHIRO 02 170 VE96830 0 RUBBER SHEET 02 17...

Page 70: ...0 CERAMIC CAPACITOR CHIP 0 1uF 10V K 01 C201 WG888300 MONOLITHIC CERAMIC CAP CHIP 10uF 6 3V K 01 C202 US62510 0 CERAMIC CAPACITOR CHIP 0 1uF 10V K 01 C203 WG888300 MONOLITHIC CERAMIC CAP CHIP 10uF 6 3...

Page 71: ...MIC CAPACITOR B CHIP 470pF 50V K 01 C379 US63510 0 CERAMIC CAPACITOR CHIP 0 1uF 16V Z C380 UF03747R ELECTROLYTIC CAP CHIP 47uF 16V 01 C381 UF03747R ELECTROLYTIC CAP CHIP 47uF 16V 01 C382 US62510 0 CER...

Page 72: ...50700 USB CONNECTOR YKF45 0033N 4P SE 01 CN305 VT38920 0 CONNECTOR PH 11P TE CN401 VK02560 0 CONNECTOR 12P TE CN402 VK02510 0 CONNECTOR 7P TE CN403 VK02490 0 CONNECTOR 5P TE CN501 VK02480 0 CONNECTOR...

Page 73: ...CHIP INDUCTANCE 600 BK1005HM601 T 01 L309 WK139000 CHIP INDUCTANCE 600 BK1005HM601 T 01 L310 WM459400 CHIP INDUCTANCE BLM18PG121SN1D 160 01 L311 VT27920R COIL 20uH 01 314 VT27920R COIL 20uH 01 L315 W...

Page 74: ...R303 RD45000R CARBON RESISTOR CHIP 0 0 1 16W J 01 308 RD45000R CARBON RESISTOR CHIP 0 0 1 16W J 01 R309 RD45710 0 CARBON RESISTOR CHIP 10K 1 16W J 311 RD45710 0 CARBON RESISTOR CHIP 10K 1 16W J R312...

Page 75: ...1 16W J R401 RD454330 CARBON RESISTOR CHIP 33 1 16W J R402 RD454330 CARBON RESISTOR CHIP 33 1 16W J R418 RD45000R CARBON RESISTOR CHIP 0 0 1 16W J 01 R425 RD45610 0 CARBON RESISTOR CHIP 1 0K 1 16W J...

Page 76: ...OR CHIP 0 0 1 16W J 01 R1342 RD45000R CARBON RESISTOR CHIP 0 0 1 16W J 01 R1343 RD45000R CARBON RESISTOR CHIP 0 0 1 16W J 01 R1344 RD45000R CARBON RESISTOR CHIP 0 0 1 16W J 01 R1345 RD45000R CARBON RE...

Page 77: ...0 ELECTROLYTIC CAP 47uF 16V C603 WW674900 MONOLITHIC CERAMIC CAPACITOR 0 1uF 50V K 01 C604 UR838220 ELECTROLYTIC CAP 220uF 16V C605 WS464800 SEMICONDUCTOR CERAMIC CAP 0 1uF 25V Z C606 FG64410R CERAMIC...

Page 78: ...D D OP AMP 02 IC602 XM651A0R IC NJM4580D D OP AMP 02 JK455 VB23040R PHONE JACK JACK YKB21 5352N 03 JK455 ZA590 0 0 0 PHONE JACK MSJ 035 10A B RF PPO YAA AUX IN JK455 Z F 17 9 9 0 0 PHONE JACK HTJ 035...

Page 79: ...CARBON RESISTOR 1K 1 4W J R645 HF454680 CARBON RESISTOR 68 1 4W J R646 HF454680 CARBON RESISTOR 68 1 4W J R647 HF45610 0 CARBON RESISTOR 1K 1 4W J R648 HF45710 0 CARBON RESISTOR 10K 1 4W J R649 HF4554...

Page 80: ...NE1 01 LD702 WE864300 LED RED SLR 343VCT32 PART1 2 LINK 01 LD703 WE864300 LED RED SLR 343VCT32 DAW REMOTE 01 LD704 WE864300 LED RED SLR 343VCT32 TRANSPOSE 01 LD705 WE864300 LED RED SLR 343VCT32 OCTAVE...

Page 81: ...NB ZA59360 YE092B0 CIRCUIT BOARD TOME ZA59360 YE092B0 ZA82900 CIRCUIT BOARD TOME2 ZA59360 YE092B0 ZD00950 CN801 V I 8 7 8 6 0 0 CABLE HOLDER 51048 8P TE CN802 V I 8 7 8 8 0 0 CABLE HOLDER 10P TE CN804...

Page 82: ...SW829 WG31840R TACT SWITCH SKRGAMD010 01 SW830 WG31840R TACT SWITCH SKRGAMD010 INC YES 01 SW831 WG31840R TACT SWITCH SKRGAMD010 01 SW832 WG31840R TACT SWITCH SKRGAMD010 ENTER 01 W10 CONNECTOR ASSEMBL...

Page 83: ...originally installed CONTENTS BLOCK DIAGRAM 3 OVERALL CIRCUIT DIAGRAM DM 1 5 P 1 2 5 P 2 3 5 P 3 4 5 P 4 5 5 P 5 JK DC IN FLT P 6 PNA P 7 PNB CN P 8 49L 61H 61L P 9 CIRCUIT DIAGRAM MUSIC SYNTHESIZER...

Page 84: ...2 4P CN606 8P CN604 4P CN602 8P CN601 10P CN305 11P CN603 11P CN604 8P CN605 10P CN3 12P CN4 12P CN2 5P CN5 7P CN805 16P CN804 16P CN202 16P CN402 7P CN403 5P CN401 12P CN303 10P CN5 7P CN1 12P CN4 12...

Page 85: ...9 DM 1 5 MX61 MX49 MX61 MX49 MX61 MX49 Note See parts list for details of circuit board component parts WARNING Components having special characteristics are marked and must be replacedwith parts hav...

Page 86: ...2 5 MX61 MX49 MX61 MX49 Note See parts list for details of circuit board component parts WARNING Components having special characteristics are marked and must be replacedwith parts having specificatio...

Page 87: ...for details of circuit board component parts WARNING Components having special characteristics are marked and must be replacedwith parts having specifications equel to those originally installed to J...

Page 88: ...See parts list for details of circuit board component parts WARNING Components having special characteristics are marked and must be replacedwith parts having specifications equel to those originally...

Page 89: ...for details of circuit board component parts WARNING Components having special characteristics are marked and must be replacedwith parts having specifications equel to those originally installed to F...

Page 90: ...istics are marked and must be replacedwith parts having specifications equel to those originally installed XX Not installed to PNA_CN602 P 7 K11 to PNA_CN606 P 7 P3 DC IN AUX IN PHONES R OUTPUT L MONO...

Page 91: ...RNING Components having special characteristics are marked and must be replacedwith parts having specifications equel to those originally installed XX Not installed Ceramic Capacitor 28CC1 2001099978...

Page 92: ...aving special characteristics are marked and must be replacedwith parts having specifications equel to those originally installed XX Not installed to DM_CN202 P 2 B4 EXIT DATA INC YES LAYER SPLIT ARP...

Page 93: ...MX61 only C2 B3 MX49 only 61H Note See parts list for details of circuit board component parts WARNING Components having special characteristics are marked and must be replacedwith parts having specif...