SERVICE MANUAL AMPLIFIER P O W E R M-1500/ MADE IN KOREA NO:

SERVICE MANUAL AMPLIFIER P O W E R M-5/ http://www.inter-m.com MADE IN KOREA NO: 97979

ELECTRICAL ADJUSTMENT PROCEDURE IDLE CURRENT A. Setting Set the master volume minimum. B. Connection TP TP R6 R5 VOLT METER VR AMP B D C. Adjustment Adjust VR so that the current through the R6, R5 become milliampere. When that voltage across the TP to TP becomes 3 millivolt, the current becomes milliampere. CONTENTS Electrical Adjustment Procedure Specifications Electrical Parts List 3, Top and Bottom View of P.C. Board 5, 6 Wiring Diagram 7 Block Diagram Schematic Diagram 9,,, Exploded View of Cabinet & Chassis / Mechanical Parts List 3, Ass y Drawing 5, 6

SPECIFICATIONS ELECTRICAL PARTS LIST M-5 M- Power Output Level f=khz, THD+N.5% (Typical) STEREO RL=Ω 5W+5W 67W+67W RL=Ω 75W+75W W+W BRIDGED RL=Ω 5W 6W One Channel Driven f=khz THD+N.5% RL=Ω 5W 67W Frequency Response RL=Ω, P.=W db+.5,.5db: f=dc~55khz Power Bandwidth Half Power, THD+N.% Hz~kHz STEREO RL=Ω Total Harmonic Distortion (THD+N) f=hz~khz, Half Power STEREO RL=Ω.5% RL=Ω.7% BRIDGED RL=Ω.7% Channel Separation Half Power RL=Ω, f=khz, ATT. max. Input 6Ω shunt db Residual Noise (DIN Audio Filter) 7dB: ATT min. Signal-to-Noise Ratio DIN Audio, Input 6Ω Shunt db Damping Factor RL=Ω, f=khz 5 Slew Rate Ω Full Swing STEREO BRIDGED ±V/µ Sensitivity (ATT max.) Rated Power into Ω khz dbm Voltage Gain (ATT max.) Ω khz 37dB 3.dB Input Impedance (ATT max.) kω (Balance/Unbalance) Indicators Power (Red) Protection (Mute) x (Red) Clip x (Orange) Signal x (Green) Protection Power SW ON/OFF muting Heatsink Temp C ( F) PC Limiter RL < Ω Fan Circuit 5 C ( F) 6 C ( F) Low-Speed Variable Hi-Speed Controls (Front) Power SW: Push up On/Push down Off Attenuator: -position db calibrated (Rear) Mode SW: Bridge=BTL/STEREO/PARALLEL Power Source AC V V, 5/6Hz Power Consumption V 3W (VA) 5W (6VA) 3V V 95W 3W Weight kg 3kg Dimensions (W) 3(H) 369(D) mm Connectors Input XLR-3-3 type + / Phone (balanced), XLR Output 5-Way binding posts, Speakon Terminal db=.775 Vrms, Half Power=/ Power Output Level (Rated Power) * Using reactive Ω speakers at high power levels may cause overheating, excessive power consumption, and shutdowns. Please note that below Ω the PC limiter will work. Before using Ω speakers in a real application, test the system completely. * Specifications and design subject to change without notice for improvements. Ref No. Part No. Description Value POWER B D (556) AN 3555 CON ASS Y 5P ASS Y 5P AN 35555 CON ASS Y 5P ASS Y 5P AN3 3557675 CON ASS Y 3P (P) ASS Y 3P AN5-5 3557963 CON ASS Y P FAN ASS Y 3P BD 599 DIODE KBPC35 KBPC 35 BD5-5 597 DIODE BRIDGE (KPBP) 5 KPBP 5 C 35977 CAP SPARK KILLER.7UF V.7/ C5-5 3965 CAP HC 6UF 5V M-5 6/5 C5-5 3969 CAP HC 6UF 6V M- 6/6 C55-56 369753 CAP POLY TM.7UF 5V.7/5 C5-53, 359753-T CAP CE F.7UF 5V Z.7/5 C5-53 C5 36 CAP RSG UF 35V SNAP 6P /35 C55, 397-T CAP AF RSG UF 5V 5P /5 C5-59 C56, C53 39-T CAP AF RSG UF 5V 6P /5 C5-55 397-T CAP AF RSG UF 5V SG P /5 C56-57 3769 CAP AF SG 7UF 35V 7/35 C53 39 CAP RSA UF V SNAP 3P / CN5, 5993 LA56/LAB6/.5MM-3P CN 3P CN5 CN53 5959 LW567/LWB6/.5MM-9P CN 3P CN56-5 6599 TERMINAL (5) PCB TAB 5T D5-5, 5996 DIODE RECTIFIER LTN6 (7) N 6 D56-57 D55 55 DIODE ZENER UZ-BM (3., 5.5) UZ BM FAN - 73999 FAN F5*B MA-3/3 FAN F 556933 CIRCUIT BREAKER 5A (UL/CSA) M-5 5A (UL/CSA) F 55633 CIRCUIT BREAKER 5A (DOM, EUROPE) M-5 5A (DOM, EUROPE) F 556533 CIRCUIT BREAKER 35A (UL/CSA) M- 35A (UL/CSA) F 55633 CIRCUIT BREAKER A (DOM, EUROPE) M- A (DOM, EUROPE) F 556933 CIRCUIT BREAKER (W5-XCCA-5) 5A F5-53 553 FUSE TS MM A/5V U/C/S TAL IC5 69 IC KA75 COMMON 75 IC5 6 IC MC795 COMMON 795 INLET 997 AC INLET 6.35 5T SCURTE AC INPUT P5-53 6599 TERMINAL (5) PCB TAB 5T P5 355797 CON ASS Y RED ASS Y P5-53 3557936 CON ASS Y P ORG ASS Y P5 355793 CON ASS Y P BLK ASS Y PO5-5 355 THERMISTOR POWER NTC 5D-5 THD- PT 63 TRANS POWER Version M-5 (UL/CSA) P.T ( Version) PT 63 TRANS POWER Version M-5 (DOM) P.T ( Version) PT 63 TRANS POWER 3Version M-5 (EUROPE) P.T (3 Version) PT 63 TRANS POWER Version M-5 (EUROPE) P.T ( Version) PT 637 TRANS POWER Version M- (UL/CSA) P.T ( Version) PT 637 TRANS POWER Version M- (DOM) P.T ( Version) PT 637 TRANS POWER 3Version M- (EUROPE) P.T (3 Version) PT 6373 TRANS POWER Version M- (EUROPE) P.T ( Version) Q5 66-T TR NPN KTCBL (KTC 3BL) KTC BL Q5 799 TR NPN SC 39A(Y), KTC37A(Y) KTC 37 Q53 63 TR NPN KTD 5Y (DY) D5 R5 39973 RES CF.K /5W J N.K R5 39973 RES CF.K /5W J N.K R53 39973 RES CF K /5W J N K RY53 559993 RELAY VH-H O.E.G/TAKAMISAWA T9A SD - SW 659966 SW POWER (IC35AT) ARCOLECTRIC POWER SWITCH INPUT B D (556) AN, 599 WAFER YW5- YW5-P AN, AN AN-5 355797 CON ASS Y 3P VR ASS Y 3P C3-3, 39-T CAP AF RSG UF 5V 6P /5 C36, C3, C35-35, C356 C33, C353 35953-A CAP CE SL 5P 5V M AXIAL 5P C3-35, 3593-A CAP CE SL PF 5V J AXIAL P C3, C35-355, C35, C359 C37, C357 397-T CAP AF UF 5V 5P /5 Ref No. Part No. Description Value C39 3977-T CAP AF RSG 7UF 5V 6P 7/5 C3 359333-A CAP CE SL 33PF 5V J AXIAL 33P C3, C37 359353-A CAP CE F PF 5V Z./5 C36 35973-A CAP CE SL 7PF 5V J AXIAL 7P COIL - 39699 EMI FILTER PF EMI FILTER P IC3-33 699 IC NJM 6L JRC 6DD JK3, JK33 393 JACK COMBINATION CXLF-6L COMBI JK3, JK3 93 XLR JACK (M) E53A5N XLR R3, R35 393973 RES CF K /5W J N K R3, R35 395973 RES CF M /5W J N M R33-36, 35953 RES CF 5K /5W F N 5K % R353-356 R37, R357, 39973 RES CF /5W J N R37 R3, R35 393973 RES CF K /5W J N K R39, R359 333953 RES CF 3K /5W FN 3K % R3, R36 33656953 RES CF 6.56K /5W FN 6.56K % R36-37 39563973 RES CF 56K /5W J N 56K R3 39973 RES CF K /5W J N K R366-367 3933973 RES CF 3K /5W J N 3K R36-369 3953973 RES CF 5K /5W J N 5K SW3 69999 SW SS65-3-9H-FN SLIDE/POLE VR B D (556) AN3, 3556 CON ASS Y 6P FLAT ASS Y 6P AN3 C-, 39797-T CAP AF RSG.7UF 5V 5P.7/5 C5-5 C3, C5, 397-T CAP AF RSG UF 5V 5P /5 C53, C55 C, C5 369-T CAP MA.UF V J./ (M) CN- 5955 LW567/LWB6/.5MM-5P WAFMW5P.5 CN3-5 5953 LW567/LWB6/.5MM-3P WAFMW3P.5 D-, 53 DIODE IN N D5-5 D3, D53 555 DIODE ZENER UZ-5BM (.6,.) UZ 5BM IC 33 IC NJM 553DD JRC NJM 553DD LD 35 LED REF SLR-5UR R5 RED ROHM R5R R, R, 39973 RES CF K /5W J N K R9, R, R5, R5, R59-6 R, R7, 39973 RES CF K /5W J N K R55, R57 R3, R6, 39973 RES CF.K /5W J N.K R53, R56 R5, R5 3933973 RES CF 33 /5W J N 33 R, R5 3973973 RES CF 7K /5W J N 7K R- 397973 RES CF.7K /5W J N.7K Q-, 66-T TR NPN KTC 39Y KTC 39 Q5-5 VR- 3775 VR RK 6365A3A (RMG5) KB OUTPUT B D (5563) C- 369-T CAP MA.UF V J./ (M) C5-6 359353-T CAP CE F.UF 5V Z./5 CN5-57 6599 TERMINAL (5) PCB TAB 5T R- 33957-F RES MO W J N W SP- 397 JACK SPEAKON (PCB INSERT TYPE) SPEAKON SP3-39 TERMINAL BINDING POST P SP-TERP LED / B D (556) AN 3555 CON ASS Y 5P ASS Y 5P LD6-6 356 LED RED SLR-5MG R5 GRE ROHM R5GR LD63 353 LED REF SLR 5DU R5 YEL R5OR LD6 35 LED REF SLR-5UR R5 RED ROHM R5RE R6-66 3939973 RES CF 3.9K /5W J N 3.9K R67-6 397973 RES CF.7K /5W J N.7K LED / B D (5565) AN 35553 CON ASS Y 5P ASS Y 5P LD7, LD7356 LED REF SLR-5MG R5 GRE ROHM R5GR LD73 353 LED REF SLR 5DU R5 YEL R5OR LD7 35 LED REF SLR-5UR R5 RED ROHM R5RE R7-76 3939973 RES CF 3.9K /5W J N 3.9K R77-7 397973 RES CF.7K /5W J N.7K 3

TOP AND BOTTOM VIEW OF P.C. BOARD Ref No. Part No. Description Value C 397-T CAP AF RSG 7UF 5V 5P 7/5 C3, C5 39-T CAP AF RSG UF 5V 6P /5 C6-9 39797-T CAP AF RSG.7UF 5V 5P.7/5 C-, 3697-T CAP MA.7UF V J.7/ (M) C7, C C 36973-T CAP MA.7UF V.7/ (M) C-9 36973-T CAP MA.7UF V J.7/ (M) C 3977-T CAP AF RSG 7UF 5V 6P 7/5 C3 39-T CAP AF NP UF 5V /5 NP CN, 599 WAFER YW5- YW5-P CN CN 5955 LW567/LWB6/.5MM-5P WAFMW5P.5 CN3 5956 LW567/LWB6/.5MM-6P WAFMW6P.5 CN6-6599 TERMINAL (5) PCB TAB CR, 3593-A CAP CE B PF 5V K AXIAL P CR5-6 CR 359333-A CAP CE SL 33PF 5V J AXIAL 33P CR 35963-A CAP CE SL 6PF 5V J AXIAL 6P CR3 35953-A CAP CE SL 5P 5V M AXIAL 5P CR-5 359333-A CAP CE B 33PF 5V K AXIAL 33P CR3 3593-A CAP CE SL PF 5V J AXIAL P D, 5996 DIODE RECTIFIER LTN6 (7) N 6 D5-6, D, D3 D3-, 53 DIODE IN N D7-, D9-, D3 D6, D 559 DIODE ZENER V W (IN7A) UZ BM/W D- 53 DIODE SS5 ROHM SS D6, D5 5 DIODE PS PYUNG CHANG PS7 IC 3 IC NJM7D JRC NJM 7D IC 5 IC TA737P TOSHIBA TA 737P L 6999 COIL INDUCTOR.UM.uH Q, Q 799 TR NPN SC 39A(Y), KTC37A(Y) KTC 37 Q 79 TR PNP SA 36A (Y), KTA659A(Y) SA 659 Q3, Q37 7-T TR PNP SA 97BL-TPE SA 97BL Q5 96 TR NPN SC 567A-R MATSUSHITA SC 567A Q6 6997-T TR PNP KTA 99Y (KTA ) KEC M-5 KTA 99Y Q6 5999 TR PNP SA 56 NEC M- SA 56 Q7 667-T TR NPN KTC 9Y (KTC 36Y) M-5 KTC 9Y Q7 5999 TR NPN SC NEC M- SC Q 799 TR NPN SC 39A(Y), KTC37A(Y) M-5 SC 37A Q 7995 TR NPN MJE53 (MOTOROLA) M- MJE53 Q9 99 FET N-CH SK5 HITACHI SK 5 Q 699 FET P-CH SJ 7 HITACHI SJ 7 Q 79 TR PNP SA 36A(Y), KTA 659A(Y) M-5 KTA 659 Q 7995 TR PNP MJE533 (MOTOROLA) M- MJE533 Q-6 7 TR NPN SC5 TOSHIBA (M-5) SC5 Q-6 7 TR NPN SC 36 W/ACC (M-) SC36 Q7, Q3 66-T TR NPN KTCBL (KTC 3BL) KTC BL Q3-36 7 TR PNP SA93 TOSHIBA (M-5) SA93 Q3-36 79 TR PNP SA 95 W/ACC (M-) SA95 R 3956973 RES CF 56 /5W J N 56 R 393973 RES CF K /5W J N K R3 3933973 RES CF 33 /5W J N 33 R 39973 RES CF /5W J N R5, R, 379575 RES ERD-FCVG 5T /W R FR5 R9-3 R6 39973 RES CF K /5W J N K R7 37953 RES CF 7K /5W F N M-5 7K % R7 3933973 RES CF 3K /5W J N M- 3K R 39973 RES CF.K /5W J N.K R9 3953 RES CF K /5W FN M-5 K % R9 3933973 RES CF 3K /5W J N M- 3K R- 3956973 RES CF 56K /5W J N 56K R3 3793375 RES ERD-FCVG 33T /W R FR 33 R 379675 RES ERD-FCVG 6T /W R FR 6 R5, 379775 RES ERD-FCVG 7T /W R FR 7 R3-3 R6-7, 39973 RES CF K /5W J N K R77, R79, R R-9, 3956973 RES CF 5.6K /5W J N 5.6K R5 Ref No. Part No. Description Value R, 3975 RES NFR /W J R PHILKO FR R6-5, R6-69 R 37975 RES ERD-FCVG T /W R FR R-3 3939373 RES CF 39K /W J 39K /W R 37975 RES ERD-FCVG T /W R FR R6 39973 RES CF.K /5W J N.K R7-339375 RES MO K W R K W R33 39575 RES NFR 5 /W J R PHILKO FR 5 R3-39, 397975 RES NFR.7 /W J R PHILKO FR.7 R5-57 R-5, 39773 RES CE.7 5W J T HAN NAE.7 5W R5-63 R7-7 393375 RES NFR 3.3K /W J R PHILKO FR 3.3K R7-73 393973 RES CF K /5W J N M-5 K R7-73 39973 RES CF K /5W J N M- K R7 3397957-F RES MO.7 W J N.7 W R75-76, 393973 RES CF K /5W J N K R5 R7 39973 RES CF K /5W J N K R 396973 RES CF 6.K /5W J N 6.K R 3973973 RES CF 7K /5W J N 7K R-3 39973 RES CF.K /5W J N.K R6-7 395973 RES CF 5 /5W J N 5 RY5 559 RELAY VKP-3H 3H TH 37993 POSISTOR PTH 9M BE TS F BETS TH 37995 POSISTOR PTH 9M BH 7TS F BH7TS VR 33 RES SEMI CS.KB /5.KB 5

WIRING DIAGRAM 6 7

BLOCK DIAGRAM

SCHEHATIC DIAGRAM 9

EXPLODED VIEW OF CABINET & CHASSIS/MECHANICAL PARTS LIST S S S3 3WPTC 3XB SCREW BTC 3XB 5933 933 S ASS'Y SCREW PM XB 959969 S SCREW FTC 3XB 933 S SCREW BTC 3XB 933 3 3 S9 S SCREW WPTC 3XB ASS'Y PM XB 5933 9599693 S7 SCREW FM XB 93 S6 HEX MSPM 3XY 993 3 5 S5 S ASS'Y PM3XB SCREW 3BTC XY 95997 93 6 6 S3 SCREW 3BTC XB 933 S SCREW 3BTC 3X6B 93363 5 5 S S NO. SCREW BM 3X6N PART NAME 936 PART NUMBER 5 5 M-5 M- Q'TY REAMRK 7 36 SLIDE KNOB 555 S5 35 3 SHIELD FENCE B'D VR 663957 556 S6 S S 33 S3 S 35 9 36 9 S 7 3 33 3 3 3 9 7 6 5 3 SPONGE B'D LED / B'D LED / B'D AMP B'D OUTPUT B'D INPUT B'D POWER WASHER SPRING B NUT MB POWER TRANS AC CORD CAP RUBBER SPONGE 673597 556 5565 55 5563 556 556 393 93 637 63 39973 6759933 M- M- M-5 M- S S3 6 S7 CIRCUIT BREAKER RUBBER FOOT 55633 55633 63356 E군 B군 EUROPE 9 BKT GUIDE 65397 BKT 6559335 7 CORD STOPER 65999 3 6 FAN COVER 539995(mm) 539996(9mm) M- M-5 3 S 5 3 5 3 BKT (REAR) FAN FAN BKT 655936 73995 73993 653976 655953 M- M-5 M- M-5 SPACER 675995 3 3 SPACER HOLDER 67599 3 3 DIODE 599 S3 9 POWER SW BKT 659966 6559 7 KNOB (CONTROL) 53959 7 3 3 S 3 6 BKT (HANDLE) 5 HANDLE TOP COVER 3 HEAT SINK 6559357 639953 63953 759 759 M- M-5 9 6 CHASSIS MAIN 6677 6677 M- M-5 S 6 5 S9 S5 NO. PANEL FRONT PART NAME 6969 PART NUMBER M-5 M- Q'TY REAMRK S6 5

ASS Y DRAWING 3

NOTE NOTE