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Infinity IL50 L, Руководство по обслуживанию

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TECH TIPS

 

 

Troubleshooting tips and solutions to common service problems 

 

For models: IL50, IL100s, MSW-1, IL60, IL120s, IM2.6, IM3.5c 

 

TIP# INFTT2003-03 

 

 

 

 

 

Intermezzo, Interlude and Modulus MSW-1 Power Supply Repair 

 
Recommended for instances where the PCB has been damaged, for the above models only: 
 

1)  Change all MOSFETS, even for one device failure. 

2)  Clean and repair the PC board if required (See Tech Tip HCG2002-01 - Damaged Printed Circuit 

Boards). 

3)  Replace the Hybrid Bash Controller IC: 

U1

 in models: 

IL50,IL100s,MSW-1,IM2.6,IM3.5c

 

U501

 in models: 

IL60, IL120s 

Infinity part # 

HC1011

 

 

 

FAILURE TO FOLLOW THE INSTRUCTIONS ABOVE MAY RESULT IN UNIT FAILURE WHEN THE 

AMPLIFIER IS POWERED UP 

 

 

 

 

 

 

 

 

 

 

 

 

IL50

 

   

 

 

 

 

 

   

 

 

 

   

  

 

24

Содержание IL50 L

Страница 1: ...Interlude Series IL50 L R Powered Loudspeaker Service Manual Infinity Systems Inc 250 Crossways Park Dr Woodbury New York 11797 REV10 10 2005...

Страница 2: ...DED VIEW OF AMPLIFIER 14 SERVICE TIPS 15 SERVICE BULLETIN INF2002 02 16 SERVICE BULLETIN INF2001 04 17 SERVICE BULLETIN INF2002 05 19 TECH TIP INFTT2003 03 24 TEST SET UP PROCEDURE 25 IL50 ADJUST BIAS...

Страница 3: ...ver Frequencies 150Hz 2500Hz 24dB octave Low Frequency Driver 10 C M M D magnetically shielded Mid Bass Driver 6 1 2 C M M D magnetically shielded High Frequency Driver 1 C M M D magnetically shielded...

Страница 4: ...Detailed Specifications IL50 L R 4...

Страница 5: ...IL50 L R 5 Detailed Specifications Cont...

Страница 6: ...IL50 L R 6 Controls and Connections Cont...

Страница 7: ...IL50 L R 7 Controls and Connections...

Страница 8: ...IL50 L R 8 Controls and Connections Cont...

Страница 9: ...IL50 L R 9 Controls and Connections Cont...

Страница 10: ...IL50 L R 10 Operation Bass Optimization SystemTM...

Страница 11: ...to perform a series of measurements and aids him her in properly setting the Bass Optimization System controls With the addition of this kit the Bass Optimization System becomes truly room adaptive Th...

Страница 12: ...dified IL50 product w new port tube may be identified by the following serial number prefixes which appears on the amplifier faceplate and the carton barcode label IL50BLKL NM0825 01001 and above IL50...

Страница 13: ...PH BLK 903401 012 GRILLE CUP 6 333249 003 GRILLE CUP 3 333249 003 GRILLE CUP 7 333249 003 BAFFLE 336163 001 R 336163 002 L VOLUME CONTROL ASS Y w CABLE 336250 001 R 336250 002 L ROTATED NETWORK 336476...

Страница 14: ...IL50 L R 14 Exploded View of Amplifier 00277 Rear Plastic Cover 930050 High Level Binding Posts JC0104 Power Cord 15 FT WI0043 Feature PCB Linear PCB RABOS PCB Power Supply PCB EMI Filter PCB...

Страница 15: ...IL50 L R 15 Service Tips...

Страница 16: ...replace R22 with a 1 2 Watt 100k ohm 5 resistor 1 Remove the grille Lay the subwoofer on its face on a padded surface amplifier facing upwards 2 Remove the 10 Phillips screws around the outer perimete...

Страница 17: ...icate a shorted MOSFET 5 Replace any defective parts above that show measured values lower than normal 6 Reconnect J505 or J6 multicolor ribbon cable connector remount the Power supply PCB reconnect J...

Страница 18: ...the power source and replace IL120S IL60 Q504 Q507 IRF640 on the Power Supply PCB Infinity part QM0015 IL50 IL100s Q1 IRF540 on the Power Supply PCB Infinity part QM0020 10 If the voltage is normal tu...

Страница 19: ...T SEC BLACK 1 Replaces 810091 810158 HEATSINK FET PRIMARY BLACK 1 Replaces 810092 810056 HEATSINK FET CLIP 9 x 5 x 2 1 Use with Q1 MS0017 MISC CERAMIC PLATE TO 220 CERAMIC INSULATOR 0 025 5 Use with Q...

Страница 20: ...FETS ARE FLUSH AGAINST THE HEATSINK 15 Assemble the 810157 HTSNK FET SEC BLACK heat sink on side of three devices Q1 D1 D3 Install FET CLIP 810056 on Q1 not shown in illustration 2 LINEAR BOARD UPGRA...

Страница 21: ...g 5 Remove shorting plug on terminal J7 on Linear board and insert current meter set to the low mA range 6 Verify initial current is less then 1 mA 7 Adjust R11 Clockwise until current meter reads 5 m...

Страница 22: ...FIGURE 1 POWER SUPPLY BOARD UPGRADE FIGURE 2 LINEAR BOARD UPGRADE Most components absent for clarity 5 2 3 1 4 5 6 7 22 IL50...

Страница 23: ...d Model Identification 120V STATUS ACTION IL50 No Label Needs Reliability Upgrade Follow Steps Outlined Above IL50 Small White Rectangular label On Amp faceplate Rev II 2002 XXX Modified by factory N...

Страница 24: ...PCB has been damaged for the above models only 1 Change all MOSFETS even for one device failure 2 Clean and repair the PC board if required See Tech Tip HCG2002 01 Damaged Printed Circuit Boards 3 Re...

Страница 25: ...ker Level input terminal on UUT Cables should be connected to an integrated amplifier fed by the signal generator 10 Switch Sub Input on the amplifier faceplate to Speaker 11 Turn on generator and adj...

Страница 26: ...See diagram below 5 Apply 120 VAC power to unit Turn power switch ON 6 Verify LED illuminates on the front gain control dial unless you have disconnected the plug 7 Remove shorting plug on terminal J7...

Страница 27: ...Packaging IL50 27...

Страница 28: ...EMI Filter PCB IL50 28...

Страница 29: ...Feature PCB IL50 29...

Страница 30: ...IL50 L R Linear PCB 30...

Страница 31: ...Volume Control PCB IL50 31...

Страница 32: ...Power Supply PCB IL50 32...

Страница 33: ...RABOS PCB IL50 33...

Страница 34: ...IL50 Electronic Parts List Part Reference Designator Qty Description IL50 34...

Страница 35: ...IL50 Electronic Parts List Cont Part Reference Designator Qty Description IL50 35...

Страница 36: ...IL50 Electronic Parts List Cont Part Reference Designator Qty Description IL50 36...

Страница 37: ...IL50 Electronic Parts List Cont Part Reference Designator Qty Description IL50 37 Change R22 to 100K ohm See Page 16...

Страница 38: ...IL50 Electronic Parts List Cont Part Reference Designator Qty Description IL50 38...

Страница 39: ...IL50 Electronic Parts List Cont Part Reference Designator Qty Description IL50 39...

Страница 40: ...Integrated Circuit Diagrams IL50 40...

Страница 41: ...Schematic C3 128uF 100V L2 0 30mH R1 10ohm 10w L1 1 8mH C2 10uF 100V WHT WHT BLK L4 0 075mH R2 1 80ohm 10w YEL 250 C5 20uF 100V YEL BLK L3 0 22mH C4 2 4uF 100V R3 0 5ohm 10w INPUT INPUT C1 470uF 100V...

Страница 42: ...42 Change R22 to 100K ohm See Page 16...

Страница 43: ...IL50 43...

Страница 44: ...IL50 44...

Страница 45: ...IL50 45...

Страница 46: ...46...

Страница 47: ...IL50 47...

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