Cyber-Twin_Service_Manual 电路图.pdf

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1、CYBER-TWIN ? p/n 022-9000-000 (120V) SERVICE MANUAL CONTENTS: Notices Specifications Troubleshooting Guides: Step by step User interface Flow charts Cyber-Twin Presets Parts lists: PCB assy - Main PCB assy - Host PCB assy Frnt Panel PCB assy Analog I/O Chassis assembly Cabinet assembly End item Sche

2、matics/drawings Fender Musical Instruments Corp. 7975 North Hayden Road Scottsdale, AZ 85258 RadioFans.CN 收音机爱 好者资料库 CYBER-TWIN Service Manual JANUARY 2001 IMPORTANT NOTICE: The information contained herein is CONFIDENTIAL and PROPRIETARY to Fender Musical Instruments Corp. It is disclosed solely fo

3、r use by qualified technicians for purposes of equipment maintenance and service. It is not to be disclosed to others without the expressed permission of Fender Musical Instruments Co. All specifications subject to change without notice. For warranty repair service, only Fender specified part number

4、s are to be used. It is recommended they also be used for post-warranty maintenance and repair. Parts marked with an asterisk (*) indicate the required use of that specific part. This is necessary for RELIABILITY and SAFETY requirements. DO NOT USE A SUBSTITUTE! A coded naming convention is used in

5、the description of certain parts. The codes and what they mean are as follows: CAPACITOR CODES HARDWARE CODES CAP AE=Aluminum ElectrolyticBLX=Black Oxide CAP CA=Ceramic AxialCR=Chrome Plated CAP CD=Ceramic DiskHWH=Hex Washer Head CAP MPF=Metalized Polyester FilmM=Machine Screw CAP MY=MylarNI=Nickel

6、Plated CAP PFF=Polyester Film/FoilOHP=Oval Head Phillips PB=Particle Board RESISTOR CODESPHP=Pan Head Phillips PHPS=Pan Head Phillips Sems RES CC=Carbon CompSMA=Sheet Metal A Point RES CF=Carbon FilmSMB=Sheet Metal B Point RES FP=Flame ProofSS=Stainless Steel RES MF=Metal FilmTF=Thread Forming RES W

7、W=Wire WoundZI=Zinc Plated RadioFans.CN 收音机爱 好者资料库 CYBER-TWIN Service Manual SPECIFICATIONS Product Release No.:PR 393 (This is not a model number) Part Number:120V Version :22-9000 240V Aus:22-9030 230V UK:22-9040 230V Eur:22-9060 100V:22-9070 Power Requirements:360W Power Output:65 W (per channel,

8、 130W total) 5% THD Sensitivity:Adjustable using trim control PreampInput impedance:900k Effects Loop: Send impedance:220k Return impedance:20k Nominal level:-10dBV/+4dbu (switchable) SPDIF line out jack:RCA jack, digital stereo XLR output jacks:0dBV, balanced, stereo/mono switchable Impedance:300 b

9、alanced Tube complement:Two Groove Tubes, 12AX7WA Speakers:Two Celestion G12T-100 8 12 (P/N 054420) Fuses:Primary:100/120V: F4A 125V Secondary:Digital supply: F2AAnalog supply: 2 x T1A Footswitch:Four-button (remote Quick Access key access) 5-pin MIDI type cord Dimensions:Height:18 9/32(46.4 cm) Wid

10、th: 26 1/8(66.4 cm) Depth: 12 1/8(30.8 cm) Weight:55 lbs.(25 kg) Product specifications are subject to change without notice RadioFans.CN 收音机爱 好者资料库 CYBER-TWIN Service Manual Step by Step Fender Cyber-Twin Troubleshooting Guide for Hardware Problems NO AUDIO Setup: Follow the instructions as stated

11、under notes 8, on the Cyber-Twin Main Schematics (0055766000 Sheet1). 1. Turn on the Power to the Cyber-Twin. 2. Does the Jewel LED come on? 1.1 If the Jewel LED does not come on, but there is Audio, check the Jewel LED. 1.2 If the Jewel LED does not come on and there is no Audio, check the Power Su

12、pplies. 2 Does the VFD (Vacuum Flourescent Display) come on? 2.1 If the VFD does not come on, but there is Audio, check the VFD. 2.2 If the VFD does not come on and there is no Audio, check the Power Supplies. 2.2.1 If the Power Supplies are OK then check the Ribbon cables. 2.2.2 If the Ribbon cable

13、s are OK, swap the Host board. 3 If both the Jewel LED and the VFD come on, but there is no Audio, then check the speaker connections. Remove any rear panel audio connections (Headphones, FX etc). 4 If the Speakers are OK and there is no Audio, then check the Power Supplies. 5 If the Power Supplies

14、are OK, check for Audio on Effects Send. 5.1 If there is no Audio on Effects Send. 5.1.1 Check for Audio on U7 Pin1 on the Main PCB. 5.1.2 If there is Audio on U7, then swap the Analog I/O PCB. 5.1.3 If there is no Audio on U7, then check for Audio on P1B Pin 7 & 8 on the Host PCB. 5.1.4 If there is

15、 no Audio on P1B Pin 7 & 8, then troubleshoot the Pre-amp section on the Main PCB. 5.1.5 If there is Audio on P1B Pin 7 & 8, then check for Audio on P1B Pin 1 & 2 on the Host PCB. 5.1.6 If there is no Audio on P1B Pin 1 & 2, then swap the Host PCB. 5.1.7 If there is Audio on P1B Pin 1 & 2, then trou

16、bleshoot the Distortion section on the Main PCB. 5.2 If there is Audio on Effects Send. 5.2.1 Check for Audio on P3B Pin 7 & 8 on the Analog PCB. 5.2.2 If there is no Audio on P3B Pin 7 & 8, then swap the Analog I/O PCB. 5.2.3 If there is Audio on P3B Pin 7 & 8, then check for Audio on P2B Pin 1 & 3

17、 on the Host PCB. 5.2.4 If there is no Audio on P2B Pin 1 & 3, then swap the Host PCB. 5.2.5 If there is Audio on P2B Pin 1 & 3, then troubleshoot the Power Amp section on the Main PCB. CYBER-TWIN Service Manual MOTOR POT DOES NOT WORK Setup: Follow the Motor Pot Test instructions described on the M

18、otor Pot A/D Section Schematics (005576600 Sheet 4). 1. If the Motor Pots do not work then check if the Power Supplies are OK and troubleshoot if necessary. 2. If the Power Supplies are OK, check the voltage on the PW# Pins while running the Pot test. 3. If the correct voltage is present on the PW#

19、Pins, then swap the damaged Motor Pots. 4. If there is no voltage present on the PW# Pins, then check for the correct voltage, specified on the Schematics, on Pin 1 & 3 of the BA6218 controllers. 5. If there is a voltage on the input of the BA6218 controllers, but the Motor Pot does not work, then s

20、wap the damaged BA6218. 6. If there is no Voltage present on Pin 1 & 3 of the BA6218 controllers, then proceed to the Digital Test described on the Motor Pot A/D Section Schematics (0055766000 Sheet 4). MIDI IS NOT WORKING Setup: Follow the Midi Test instructions described on the Digital I/O Board S

21、ection Schematics (0055766000 Sheet 3). 1. Check for Midi activity on the Midi test points. 2. Check for Midi activity on P5B Pin 1 & 3. 2.1 If there is Midi activity on P5B Pin 1 & 3, then troubleshoot in the area around U33 and U34 or swap Digital I/O boards. 2.2 If there is no Midi activity on P5

22、B Pin 1 & 3, then check if ribbon cable on P5 is OK. 3 If the ribbon cable on P5 is OK, check the ribbon cable on P6, otherwise swap the ribbon cable on P5. 4 If the ribbon cable on P6 is OK, swap the Host PCB, otherwise swap the ribbon cable on P6. NO AUDIO ON HEADPHONES JACK Setup: Follow the inst

23、ructions as stated under notes 8, on the Cyber-Twin Main Schematics (0055766000 Sheet1). 1. Check for Audio Output through the Speakers with Headphones unplugged. 2. If there is no Audio Output through the Speakers proceed to the previous troubleshooting section NO AUDIO. CYBER-TWIN Service Manual N

24、O AUDIO ON HEADPHONES JACK (cont) 3. If there is Audio Output through the Speakers, check if ribbon cable P3 is OK. 3.1If the ribbon cable is OK, then swap the Analog I/O PCB. 3.2 If the ribbon cable is defective, then swap the cable. FX KILL/ FOOTSWITCH IS NOT WORKING Setup: See Footswitch Notes on

25、 the Digital I/O Board Section Schematics (0055766000 Sheet 3). 1. Check the Voltage on U26 Pins 4,5,10,11,12. 2. If the Voltages are not correct check the Power Supply. 2.1. If the Power Supply is OK check the area around J3 and J5. 3. If the Voltages are correct check for Digital Activity on U26 P

26、ins 7 & 15. 3.1. If there is no Digital Activity on Pins 7 & 15 check the Ribbon Cable P4 and swap if necessary. 3.1.1. If the Ribbon Cable on P4 is OK, check the Ribbon cable on P7. Swap if necessary, otherwise swap the Front Panel PCB (0055754000). 4. If there is Digital Activity on Pins 7 & 15, c

27、heck for Digital Activity on U26 Pin 13. 4.1. If there is no Digital Activity on Pin 13 swap U26, otherwise check the Ribbon Cable P4 and swap if necessary. 4.1.1. If the Ribbon Cable on P4 is OK, check the Ribbon Cable on P7. Swap if necessary, otherwise swap the Front Panel PCB (0055754000). CYBER

28、-TWIN Service Manual Fender Cyber-Twin Troubleshooting Guide for User Interface Problems NO SOUND What to check: - The LED ladder is not coming on when hitting a string. - The TRIM, GAIN, VOLUME or MASTER is turned to 1. - Something is plugged into the L/MONO EFFECTS RETURN jack, or the HEADPHONES j

29、ack. How to solve the problem: - Turn up the guitar VOLUME or the amp TRIM controls so that green LEDs turn on. - Turn TRIM, GAIN, VOLUME or MASTER past 1. - Unplug connector from L/MONO EFFECTS RETURN jack, or the HEADPHONES jack. NO EFFECTS What to check: - The effects function in the FX Menu is t

30、urned to NONE. - The effect output level is turned to 1.0. - FX Kill switch is enabled. How to solve the problem: - Press the FX menu button and turn on an effect. - Turn the effects level past 1.0 on the FX LEVEL knob. - Use the FX Kill footswitch to disable the function. DELAY TIME CHANGE SOUNDS A

31、BRUPT What to check: - The DELAY TIME CHANGE function is set to STEP. How to solve the problem: - Press the FX menu button 7x to get to the DELAY TIME CHANGE function, and turn it to RAMP. CYBER-TWIN Service Manual NO REVERB What to check: - The REVERB control is turned to 1. - The REVERB INPUT is t

32、urned to 1.0. - FX Kill switch is enabled. How to solve the problem: - Turn the REVERB knob on the front panel past 1. - Press the AMP menu button 6x to get to the REVERB INPUT function, and turn REVERB INPUT past 1.0. - Use the FX Kill Footswitch to disable the function. NO MIDI RECEPTION/ TRANSMIS

33、SION What to check: - The MIDI connection between the Cybertwin and another MIDI device is incorrect. - The MIDI RECEIVE CHANNEL on the Cybertwin is set to a different channel than the transmitting MIDI device. - The TRANSMIT CHANNEL on the Cybertwin is turned OFF. How to solve the problem: - Connec

34、t the MIDI cables as follows: Cybertwin MIDI IN!Device MIDI OUT Cybertwin MIDI OUT! Device MIDI IN - Press the UTILITY menu button 5x to get to the MIDI RECEIVE CH function and set the RECEIVE CHANNEL to the same channel as the transmitting device or set the RECEIVE CHANNEL to OMNI. - Press the UTIL

35、ITY menu button 6x and turn the MIDI TRANSMIT CH to the desired channel. AMP WILL NOT RECEIVE SysEx INFORMATION What to check: - The SysEx DEVICE ID is turned to a different value than when the SYSEX data dump was done. How to solve the problem: - Press the UTILITY menu button 7x to go to the SYSEX

36、DEVICE ID function, and set the DEVICE ID to the same value as when the SYSEX data dump was completed or set the SYSEX DEVICE ID to OMNI. CYBER-TWIN Service Manual AMP DOES NOT LOAD PRESETS OR WILL NOT SAVE A PRESET What to check: - DEMO MODE is turned ON. - MEMORY PROTECT is turned ON. How to solve

37、 the problem: - Press the UTILITY menu button 1x to go to the DEMO MODE function and turn DEMO MODE OFF. - Press the UTILITY menu button 2x to go to the MEMORY PROTECT function and turn MEMORY PROTECT OFF. LOW END IN SOUND IS MISSING What to check: - LINE/SPKR PHASE is set to RIGHT or LEFT REVERSE P

38、OLARITY. - Speaker wiring has been switched. How to solve the problem: - Press the AMP menu button 11x to get to the LINE/SPKR PHASE function and turn it to STANDARD POLARITY. - Connect the white cable to the positive speaker connection and the black cable to the negative speaker connection. EXPRESS

39、ION PEDAL DOES NOT WORK What to check: - The expression pedal is plugged in incorrectly. - The EXPRESSION PEDAL function is switched to an incorrect control parameter. How to solve the problem: - Plug expression pedal into the EXPRESSION PEDAL jack on the rear panel. - Press the AMP menu button 15x

40、to get to the EXPRESSION PEDAL function and turn it to the desired control parameter. CYBER-TWIN Service Manual MIDI FOOT-PEDAL DOES NOT WORK What to check: - The MIDI RECEIVE CHANNEL on the Cybertwin is set to a different channel than the transmitting MIDI device. - The CONTINUOUS CONTROLLER on the

41、 Cybertwin is set to a different CONTINUOUS CONTOLLER value on the foot-pedal. - The CONTINUOUS CONTROLLER is switched to an incorrect control parameter. How to solve the problem: - Press the UTILITY menu button 5x to get to the MIDI RECEIVE CH function and set the RECEIVE CHANNEL to the same channe

42、l as the transmitting device or set the RECEIVE CHANNEL to OMNI. - Press the UTILITY menu button 4x to get to the CONTINUOUS CONTROLLER function and turn it to the same value as the foot-pedal. - Press the AMP menu button 16x to get to the CONTINUOUS CONTROLLER function and turn it to the parameter

43、you would like to control. DRY GUITAR SIGNAL ON SPDIF OUTPUT What to check: - SPDIF PATCHING is switched to GUITAR DIRECT OUT. How to solve the problem: - Press the UTILITY menu button 3x to get to the SPDIF PATCHING function and turn it to AMP LINE OUT. PROGRAM CHANGE DOES NOT WORK CORRECTLY What t

44、o check: - MIDI MAPPING is used incorrectly. How to solve the problem: - Press the UTILITY menu button 8x to get to the MIDI MAPPING function and map the correct preset to the desired program change value. NO AUDIO NO YES YES NO YES YESNO NO YESNO YES NO NO YES NO YES YES NO NO YES NO YES NO YES NO

45、YES NO YES NO YES Power Switch Jewel LED On VFD On AudioAmp OK Audio Audio Check Jewel LED Check Power Supplies Speakers Plugged In (Remove any plugs from the rear panel) Check VFD Power Supplies OK Troubleshoot Power Supplies Power Supplies OK Plug In Speakers Troubleshoot Power Supplies Ribbon Cab

46、les OK Swap Ribbon Cables Swap Host PCB (0055736000) Audio on Effects Send Audio on U7 Pin1 Main PCB (0055766000) Audio on P3B Pin7&8 Analog I/O PCB (0056333000) Swap Analog I/O PCB (0056333000) Audio on P2B Pin1&3 Host PCB (0055736000) Audio on P1B Pin7&8 Host PCB (0055736000) Swap Host PCB (005573

47、6000) Troubleshoot Pre-Amp Section on Main PCB (0055766000) Audio on P1B Pin1&2 Host PCB (0055736000) Swap Host PCB (0055736000) Troubleshoot Power Amp Section on Main PCB (0055766000) Troubleshoot Distortion Section on Main PCB (0055766000) MOTOR POT DOES NOT WORK YES NO YES NO YESNO YES NO Run Mot

48、or Pot Test described on Motor Pot A/D Section Schematic (0055766000) Amp OK Motor Pot OK Power Supplies OK Voltage on PW Pins 1-8 while running Pot test Troubleshoot Power Supplies in Motor Pot A/D Section on Main PCB (0055766000) Swap Motor Pot Voltage on Pin1&3 of BA6218 Controller Proceed to Dig

49、ital Test described on Motor Pot A/D Section Schematic (0055766000) Swap BA6218 Controller MIDI IS NOT WORKING YES NO YES NO YES NO YES NO Do Midi Test as described on Digital I/O Board Section Schematics (0055766000) Midi is working Midi Activity on TP 47,48,49 Midi Activity on P5B Pin1&3 Swap Digital I/O PCB (0055766000) Ribbon Cable on P5 OK Ribbon Cable on P6 OK Swap