Roland BOSS KATANA-50 Mk II Service Notes Download

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SERVICE NOTES

Issued by RJA

All rights reserved. No part of this publication may be reproduced in any form without the written permission
of Roland Corporation.

CC-KWS

17057241E0

Oct. 2019

KTN-50_2

Table of Contents

Summary of Contents for BOSS KATANA-50 Mk II

Page 1: ...ure 7 Note on Disassembly 7 Important Notes on Assembly 7 Plain View Cabinet 1 8 Plain View Cabinet 2 9 Exploded View Chassis 10 Exploded View Parts List Chassis 11 Plain View Chassis 1 12 Plain View Chassis 2 13 Wiring Diagram 14 Block Diagram 16 Parts List 18 Verifying the Version 21 Data Backup and Restore Operations 21 System Update Procedure 21 Performing a Factory Reset 21 Test Mode 22 Circu...

Page 2: ...code Because supply is prohibited due to copyright restrictions Because reissuance is restricted Because the part is made to order at current market price Because it is carried in electronic data on the Roland web site Because it is a package or an accessory irrelevant to the function maintenance of the main body Because it can be replaced with an article on the market battery or etc Because it is...

Page 3: ...e type POWER AMP IN jack 1 4 inch phone type REC OUT PHONES jack Stereo 1 4 inch phone type EXP PEDAL CTL CH1 CH2 jack 1 4 inch TRS phone type AUX IN jack Stereo miniature phone type USB port USB B type AC IN jack Power Consumption 47 W Dimensions 470 W x 238 D x 398 H mm 18 9 16 W x 9 3 8 D x 15 11 16 H inches Weight 11 6 kg 25 lbs 10 oz Accessories Owner s Manual 5100068139 5100068163 Power cord...

Page 4: ...5 2 5 5100052218 S KEYTOP 1 01780101 TACT SWITCH SKQKABD010 1 05011067 LED L 3WEGW 153 L 3WEGW 1 5100004371 LED SPACER LK 36 2 1 6 5100024419 6 5MM JACK PJ 644C 04 EP 610 11020 01 00 1 5100046593 JACK SPACER 1 JACK NUT attached to JACK 1 JACK WASHER attached to JACK 1 7 5100052214 R KNOB INDEX 1 5100052460 ROTARY POTENTIOMETER RD901F 40 15F B10K 05D60A 1 VR NUT M7 attached to VR 1 8 5100067440 R K...

Page 5: ...NLET M1909 C 1 2 5100024419 6 5MM JACK PJ 644C 04 EP 610 11020 01 00 1 5100046593 JACK SPACER 1 JACK NUT attached to JACK 1 JACK WASHER attached to JACK 1 3 5100009531 USB CONNECTOR B TYPE FEMALE YKF45 0044N 1 4 5100067366 3 5MM JACK YKB21 5457N 1 5 5100031944 6 5MM JACK PJ 644C EP 2 5100046593 JACK SPACER 2 JACK NUT attached to JACK 2 JACK WASHER attached to JACK 2 ...

Page 6: ...6 Oct 2019 KTN 50_2 Exploded View Cabinet fig bunkai all eps Refer to Chassis 1 4 2 3 7 6 9 6 10 5 8 View 1 View 2 View 8 View 7 View 4 View 3 V i e w 6 V i e w 5 ...

Page 7: ...ain View Cabinet 2 p 9 3 Remove nuts and washers b x 2 in View 2 Plain View Cabinet 1 p 8 4 Push the Net Board to the front side Important Notes on Disassembly Discharge of Amp Board When detaching the Amp Board after applying electric charge it is first necessary to discharge the accumulated electric charge For detail information refer to the Service Information No 104784 Important Notes on Assem...

Page 8: ...5100053055 PLAIN WASHER 4 2X14X1 0 BZC 2 c 40010390 SCREW M5X25 BINDING MACHINE FE BZC 4 No Part Code Part Name Description Q ty d 5100053052 SCREW 3X14 TRUSS TAPPING A BZC 4 e 5100047173 SCREW M4X25 OVAL MACHINE NI 2 5100041078 ROSETTE WASHER M4 NI MC 15042 20303 000 2 f 5100043887 SCREW 3 5X16 TRUSS TAPPING A NI 4 g 5100048333 SCREW M4X15 OVAL MACHINE NI 4 No Part Code Part Name Description Q ty...

Page 9: ... Part Code Part Name Description Q ty f 5100043887 SCREW 3 5X16 TRUSS TAPPING A NI 8 No Part Code Part Name Description Q ty i 5100033930 SCREW 4X25 TRUSS TAPPING A NI 4 5100053053 PLAIN WASHER 4 2X14X1 0 NI 4 No Part Code Part Name Description Q ty k 40011323 SCREW 3X10 BINDING TAPTITE P BZC 3 40457245 PLAIN WASHER 3X12X1 ZC 3 ...

Page 10: ...TN 50_2 Exploded View Chassis fig bunkai chasis eps 17 4 24 1 2 3 5 6 11 29 7 8 28 12 13 30 31 18 19 23 27 20 21 10 22 26 16 9 25 14 15 15 15 15 u v 28 View 2 View 5 View 4 View 7 View 3 View 1 View 6 x y y w z w z ...

Page 11: ...CK SPACER 4 16 5100067610 MAIN BOARD ASSY 1 17 5100051957 POWER TRANSFORMER 100 117V for low voltage 1 5100051960 POWER TRANSFORMER 225 240V for high voltage 1 19 5100052247 TRANS SHEET 1 20 5100068387 CHASSIS COVER BOARD 1 21 5100051955 POWER IC HOLDER included in AMP BOARD 23 1 22 5100052288 POWER IC SHEET 1 24 5100052223 HEATSINK 1 25 40013812 CAUTION SEAL IEC 142 1 26 40122534 DOUBLE FACED TAP...

Page 12: ...Part Code Part Name Description Q ty n 40011156 SCREW 3X8 FLAT TAPTITE B BZC 2 o 40012945 SCREW M3X6 PAN MACHINE W SW PW BZC 5 No Part Code Part Name Description Q ty o 40012945 SCREW M3X6 PAN MACHINE W SW PW BZC 8 p 40013001 SCREW M4X8 PAN MACHINE W SW PW BZC 4 No Part Code Part Name Description Q ty d 5100053052 SCREW 3X14 TRUSS TAPPING A BZC 6 q 40564556 SCREW M3X15 PAN MACHINE W SW FW ZC 7 r 4...

Page 13: ...Code Part Name Description Q ty q 40564556 SCREW M3X15 PAN MACHINE W SW FW ZC 2 No Part Code Part Name Description Q ty s 40017934 SCREW M3X6 PAN MACHINE W SW PW L FE ZC 6 22150501 STANDOFF M3 L5 5 H10 BS 6 No Part Code Part Name Description Q ty t 40017934 SCREW M3X6 PAN MACHINE W SW PW L FE ZC 2 22150517 STANDOFF M3 L8 2 ...

Page 14: ...mer Input Board CN901 L CN902 N CN903 NC CN400 CN600 CN4 CN9 CN10 CN8 CN11 CN3 CN500 C603 CN502 CN904 CN700 1 9 1 1 3 3 1 6 15 1 15 1 1 12 1 12 9 Speaker RED BLK L N E Main Board Power SW Inlet Amp Board Fuse Board Transformer CN901 L CN902 N CN903 NC CN600 CN4 CN9 CN10 CN8 CN11 CN3 C603 CN904 CN700 1 12 1 12 2 3 1 6 7 8 9 4 5 ...

Page 15: ...8454 WIRING W1 1015 22 RED 1 3 5100068455 WIRING W2 1015 22 BLK 1 4 5100067825 WIRING 1007 28 15X115 PHR SAN F 1 5 5100067822 WIRING W3 2547 28 1 6 5100068458 WIRING W10 1430 24 1185 26 1 7 5100068456 WIRING W8 1672 22 BLK WHT 1 8 5100068457 WIRING W9 1672 22 BLK 1 9 5100068453 WIRING W17A 1015 18 GRN YEL 1 ...

Page 16: ...16 Oct 2019 KTN 50_2 Block Diagram fig block 50 eps L ...

Page 17: ...17 Oct 2019 KTN 50_2 fig block 50 eps R ...

Page 18: ... KNOB 2 5100067440 R KNOB 2 5100052214 R KNOB INDEX 8 5100052217 C KEYTOP 7 5100052218 S KEYTOP 3 SWITCH 02897801 SEESAW SWITCH SDDJE13200 94V 0 1 01780101 TACT SWITCH SKQKABD010 10 JACK EXT TERMINAL 5100067366 3 5MM JACK YKB21 5457N 1 5100024419 6 5MM JACK PJ 644C 04 EP 610 11020 01 00 2 5100031944 6 5MM JACK PJ 644C EP 2 5100009531 USB CONNECTOR B TYPE FEMALE YKF45 0044N 1 SPEAKER BUZZER 5100068...

Page 19: ...PPING A FE BZC 4 5100033930 SCREW 4X25 TRUSS TAPPING A NI 4 22150501 STANDOFF M3 L5 5 H10 BS 6 22150517 STANDOFF M3 L8 2 40011789 NUT M3 HEX ZC 2 5100053056 NUT M4 W SW BZC 2 5100050484 HEX NUT M4 W SPW ZC 1 40457245 PLAIN WASHER 3X12X1 ZC 3 5100053055 PLAIN WASHER 4 2X14X1 0 BZC 2 5100053053 PLAIN WASHER 4 2X14X1 0 NI 4 40011889 EXTERNAL TOOTH WASHER M4 FECM 1 5100041078 ROSETTE WASHER M4 NI MC 1...

Page 20: ...W 1 5100012292 AC CORD SET 117VBL 2 5M 3P DAIKEI 117VBL 26 for 117VBL 1 00894389 AC CORD SET 230V SP22 IS14 H05VV F3G1 0 32 for 230VEU 1 00907001 AC CORD SET 240VE SP 62 IS 14 49 for 230VE 1 5100013842 AC CORD SET 240VA 2 5M SAA HIRAKAWA 59 for 240VA 1 03450323 AC CORD SET 220V YP 36 YC 13D 65 for 220VCN 1 5100013648 AC CORD SET 220VK 10A 3P 3P 2 5M 66 for 220VK 1 5100068139 OWNER S MANUAL MULTILA...

Page 21: ...g box appears 4 Click ALL DATA BACKUP 5 Click FROM FILE The Open dialog box appears 6 Select the backed up file and click Open When Completed is displayed the restore operation has finished 7 Click OK 8 Quit the BOSS TONE STUDIO for KATANA Mk II and detach the USB cable System Update Procedure Items Required Computer USB cable Update use file obtained via Service Net Procedure 1 Hold down CH1 and ...

Page 22: ... 3 Continue to hold down CH1 and CH2 until all LEDs light up then release your fingers After all of 5 EFFECTS buttons TAP CH1 CH2 and PANEL flash twice you will enter the first test item 1 Model Check p 23 If you are proceeding to 9 Signal Level Check p 26 10 Noise Check p 27 then disconnect the speaker cable from the speaker and attach a load resistor 4 Ω 300 W to the speaker terminals between re...

Page 23: ...tons in number sequence as shown in the table below and verify the status of the LEDs R lights in red R flashes in red G flashes in green goes off MODEL BOOSTER MOD FX DELAY REVERB KTN 50 Mk II G KTN 100 Mk II G KTN 100 212 Mk II G KTN HEAD Mk II G Ones Place First Decimal Place Second Decimal Place Value BOOSTER MOD FX DELAY REVERB 0 G G G 1 R R R 2 O O O 3 undefined G G 4 undefined G G G G 5 und...

Page 24: ...e and verify the status of the LED of each button R lights in red G lights in green goes off When the POWER CONTROL knob is returned to STANDBY execution automatically advances to the next test item Knob Position Button LED Procedure Position BOOSTER MOD FX DELAY REVERB Start ACOUSTIC R 1 CLEAN R R 2 CRUNCH R R R 3 LEAD R R R R 4 BROWN G G G G G 5 LEAD G G G G 6 CRUNCH G G G 7 CLEAN G G 8 ACOUSTIC...

Page 25: ... in green goes off Operation Procedure Button LED Jack Procedure VARIA TION BOOS TER MOD FX DELAY REVERB CH1 CH2 PANEL 0 Initial State R 1 INPUT Insert a dummy plug R R 2 POWER AMP IN Insert a dummy plug R R R R R R 3 PHONES REC OUT Insert a dummy plug R R R R R R R 4 FOOT CONTROL Connect FS 5U x 2 or FS 6 x 1 R R R R R R R R R 5 AUX Insert miniature stereo phone plug R R R R R R R R R 6 Disconnec...

Page 26: ...n red and black 2 Connect the oscilloscope and the noise meter to the speaker terminals Connect the black line to the GND of the measuring device and red line to the signal line 3 Connect the oscillator to the AUX IN jack and input a signal like the following to both L and R simultaneously AUX IN L R 100 Hz sine wave at 20 dBm 4 Adjust the POWER CONTROL knob to 50 W and the MASTER knob to maximum ...

Page 27: ... jack 2 Turn all knobs all the way counterclockwise 3 Attach a load resistor 4 Ω 300 W to the speaker terminals between red and black 4 Connect the noise meter to the speaker terminals and verify that residual noise is as follows Speaker 42 dBm or less DIN Audio 5 Connect the noise meter to the PHONES REC OUT jack L Connect a 1 4 inch stereo phone plug with 33 Ω load resistors to the PHONES REC OU...

Page 28: ...28 Oct 2019 KTN 50_2 Circuit Board Main Board fig b main A eps fig b main B eps ...

Page 29: ...29 Oct 2019 KTN 50_2 ...

Page 30: ...4 D21 D12 W15 P11 P12 P13 P14 A1 A21 AA1 AA21 D7 D17 G3 G4 G18 G19 R18 R19 P10 J14 K8 K9 K10 K11 K12 K13 K14 L8 L9 L10 L11 L12 L13 P1 J12 AA3 Y3 W21 W20 W19 W13 W8 W4 V18 V13 V8 V4 U21 P4 P3 C3 B17 A18 H8 H9 H10 H11 H12 H13 H14 J8 J9 J10 J11 AA5 IC1 MB8AA4181 ESC2 P18 P19 Y14 AA13 Y13 AA12 W14 V14 V16 C15 D15 A15 D14 B15 A12 A14 A16 B12 M21 M20 L21 L20 M19 M18 K19 K18 H19 N20 N21 P20 P21 R20 R21 T...

Page 31: ...5 C20 50V 220pF 1005 C17 50V 220pF 1005 C13 50V 12pF 1005 C12 50V 12pF 1005 MB8AA4181 ESC2 IC1 N2 N1 N4 R4 R3 T2 P2 W1 V2 V1 T1 U3 U1 U2 D3 D2 C1 E2 E3 E1 H4 H3 J4 J3 G2 G1 H2 H1 J2 J1 K2 K1 L3 L2 L1 L4 M2 M1 N3 V3 U4 W3 V5 W5 Y5 Y4 R2 R1 AA4 Y2 Y7 AA7 Y6 AA6 Y12 AA11 Y11 AA10 Y9 AA9 Y8 AA8 W7 V7 W9 V9 W11 V11 W12 V12 W2 R664 UnPop 56 1608 100 R2 1608 100 R8 1608 100 R683 1608 R300 150 1608 220 R6...

Page 32: ... R264 UnPop 1608 10k 10k R601 12k R167 1608 22k R164 1608 22k R165 1608 47k R171 1608 47k R180 1608 R344 0 UnPop R343 0 UnPop R342 0 UnPop 0 R113 R39 0 R345 0 UnPop 0 R321 1005 0 R322 UnPop 1005 0 R24 1005 UnPop 0 R320 UnPop 1005 R139 56 UnPop R303 56 R304 56 R305 56 R306 56 R307 56 R308 56 R309 56 UnPop R310 56 UnPop R311 56 UnPop R312 56 UnPop R313 56 UnPop R104 100 R47 100 UnPop 10k R173 UnPop ...

Page 33: ...UnPop 1k R270 1608 1k R205 1608 1k R202 1608 4 7k R222 1608 4 7k R98 1608 R85 6 8k 1608 R94 6 8k 1608 8 2k R73 1608 8 2k R69 1608 10k R201 1608 10k R203 1608 R97 10k 1608 10k R138 1608 10k R132 1608 R100 10k 1608 10k R168 1608 10k R170 1608 10k R235 1608 10k R233 1608 15k R226 1608 15k R224 1608 22k R281 1608 22k R256 1608 39k R58 1608 39k R70 1608 47k R618 1608 UnPop 47k R350 R71 56k 1608 R96 68k...

Page 34: ... 1608 15k R237 1608 22k R254 1608 47k R647 1608 UnPop 4 R 47k R247 1608 100k R253 1608 0 R628 0 R637 560 R633 2 2k R630 2 7k R638 2 7k R641 10k R642 10k R639 12k R636 47k R635 25V 6800pF C631 1005 2SC4116 GR Q33 1 2 3 2SC4116 GR Q604 UnPop 1 2 3 2SC4116 GR Q32 1 2 3 2 2k R209 3216 2 2k R208 3216 50V 150pF C638 1005 22k R211 3216 0 25W UnPop 22k R212 3216 0 25W UnPop 22k R213 3216 0 25W 22k R214 32...

Page 35: ...op 10k R258 1608 18k R334 1608 UnPop 22k R272 1608 22k R271 1608 22k R323 1608 22k R324 1608 27k R351 1608 UnPop 33k R268 1608 33k R333 1608 UnPop 33k R269 1608 47k R246 1608 120k R328 1608 120k R327 1608 150k R259 1608 150k R267 1608 1k R317 1005 100k R318 1005 Q18 SSM3J332R 1 3 2 2SC4116 GR Q46 UnPop 1 2 3 2SC4116 GR Q39 1 2 3 2SC4116 GR Q49 UnPop 1 2 3 2SC4116 GR Q34 1 2 3 33 R276 3225 0 5W 50V...

Page 36: ...36 Oct 2019 KTN 50_2 Circuit Board Panel Amp Input Fuse Board fig b 50 panel eps ...

Page 37: ...37 Oct 2019 KTN 50_2 ...

Page 38: ...7 2 6 5 5 1 4 3 12 15 2 0 13 9 C 10 B 8 GND 16 VCC 3 COM 14 1 11 A 6 INH 7 VEE 50V 1000pF C522 1005 50V 1000pF C523 1005 50V 1000pF C524 1005 50V 1000pF C525 1005 25V 0 1uF C526 1005 50V 1000pF C527 1005 1k R529 1005 1k R530 1005 1k R531 1005 1k R538 1005 1k R539 1005 RA500 10k EXB28V103JX 1 8 8 6 5 4 3 2 7 RA501 10k EXB28V103JX 1 8 8 6 5 4 3 2 7 TP506 TP507 TP510 TP516 TP519 TP520 TP524 TP528 TP5...

Page 39: ...07 RD912DF 40E1 15F 0B10K W N W 11 13 12 VR508 RD912DF 40E1 15F 0B10K W N W 11 13 12 VR507 RD912DF 40E1 15F 0B10K W N W 21 23 22 VR508 RD912DF 40E1 15F 0B10K W N W 21 23 22 RD912DF 40E1 15F 0B10K W N W VR507 10 RD912DF 40E1 15F 0B10K W N W VR508 10 RD912DF 40E1 15F 0B10K W N W VR507 20 RD912DF 40E1 15F 0B10K W N W VR508 20 06 F 0B10K 001 W N W 1 2 VR509 RV09BDF 40E1 15F 0B10K 001 W N W 1 3 2 F 0B1...

Page 40: ...1 1608 22k R705 100V 220pF C709 1608 UnPop 100V 0 1uF C702 100V 0 1uF C703 1005 TP700 TP701 TP702 TP703 TP704 TP706 TP707 TP708 TP709 C705 22uF 50V TP710 TP711 TP712 TP713 TP714 TP715 TP716 TP705 470 R703 22k R704 0 R708 1608 KTN 50 POWER IC HOLDER MK700 10 MK700 20 NCU18WF104J60RB R706 1 1 2 2 22k R707 1608 0 R709 1608 50V 100pF C710 1005 50V 0 1uF C701 1005 50V 0 1uF C711 1005 25V 10uF C700 1608...

Page 41: ...k R410 1608 0 5 10k R413 1608 0 5 TP406 TP407 TP408 TP409 TP410 TP412 TP413 TP414 TP415 TP416 TP417 25V 0 1uF C402 25V 0 1uF C406 820 R405 1608 0 5 4 7k R416 1608 0 5 47k R419 1608 0 5 47k R418 1608 100 R402 1608 150 R421 3216 150 R422 3216 15k R400 1608 PJ 644C 04 EP JK401 1 1 6 6 4 4 3 3 TP411 22k R403 1608 100 R406 1608 TP418 DETECT AMP_IN TP431 50V 0 018uF C403 1005 50V 390pF C419 1005 50V 150...

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