Cyber-Twin_Head_Service_Manual 电路图.pdf

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1、CYBER-TWIN HEAD ? p/n 022-9002-000 (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 PCB assy Spkr Out Chassis assembly Cabinet

2、 assembly End item Schematics/drawings Fender Musical Instruments Corp. 8860 E. Chaparral Road Suite 100 Scottsdale, AZ 85258 RadioFans.CN 收音机爱 好者资料库 CYBER-TWIN HEAD (This is the name to be used on warranty claims) SERVICE MANUAL JANUARY 2002 IMPORTANT NOTICE: The information contained herein is CON

3、FIDENTIAL and PROPRIETARY to Fender Musical Instruments Corp. It is disclosed solely for 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 t

4、o change without notice. For warranty repair service, only Fender specified part numbers 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

5、and SAFETY requirements. DO NOT USE A SUBSTITUTE! A coded naming convention is used in 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

6、=Hex Washer Head CAP MPF=Metalized Polyester FilmM=Machine Screw CAP MY=MylarNI=Nickel 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 Meta

7、l B Point RES FP=Flame ProofSS=Stainless Steel RES MF=Metal FilmTF=Thread Forming RES WW=Wire WoundZI=Zinc Plated RadioFans.CN 收音机爱 好者资料库 CYBER-TWIN HEAD SPECIFICATIONS Product Release No.:PR 502 (This is not a model number) Part Number:120V Version :22-9002 110V TW:22-9012 240V Aus:22-9032 230V UK:

8、22-9042 230V Arg:22-9052 230V Eur:22-9062 100V Jpn:22-9072 220V R.O.K.:22-9092 Power Requirements:360W Power Output:65 W (per channel, 130W total) 5% THD Sensitivity:Adjustable using trim control Preamp Input impedance:900k Effects Loop: Send impedance:220k Return impedance:20k Nominal level:-10dBV/

9、+4dbu (switchable) SPDIF line out jack:RCA jack, digital stereo XLR output jacks:0dBV, balanced, stereo/mono switchable Impedance:300 balanced Tube complement:Two Groove Tubes, 12AX7WA Fuses:Primary:100/120V: F4A 125V Secondary:Digital supply: F2AAnalog supply: 2 x T1A Footswitch:Four-button (remote

10、 Quick Access key access) 5-pin MIDI type cord (p/n 0051894000) Dimensions:Height:9-25/32(25.8 cm) Width: 26 1/8(66.4 cm) Depth: 11-5/16(28.7 cm) Weight:30lbs.(13.6 kg) Product specifications are subject to change without notice RadioFans.CN 收音机爱 好者资料库 CYBER-TWIN HEAD Step by Step Fender Cyber-Twin

11、Troubleshooting Guide for Hardware Problems NO AUDIO Setup: Follow the instructions as stated under notes 8, on the Cyber-Twin Head Main Schematics (0057498000 Sheet 1). 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,

12、check the Jewel LED. 1.2 If the Jewel LED does not come on and there is no Audio, check the Power Supplies. 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

13、Supplies. 2.2.1 If the Power Supplies are OK then check the Ribbon cables. 2.2.2 If the Ribbon cables 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 I

14、f the Speakers are OK and there is no Audio, then check the Power Supplies. 5 If the Power Supplies 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

15、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 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

16、 Audio on P1B Pin 1 & 2, then swap the Host PCB. 5.1.7 If there is Audio on P1B Pin 1 & 2, then troubleshoot 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

17、 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 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 HEA

18、D MOTOR POT DOES NOT WORK Setup: Follow the Motor Pot Test instructions described on the Motor Pot A/D Section Schematics (005749800 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

19、 the PW# Pins while running the Pot test. 3. If the correct voltage is present on the PW# 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

20、 a voltage on the input of the BA6218 controllers, but the Motor Pot does not work, then swap 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 (0057498000 Sheet 4). MIDI IS

21、 NOT WORKING Setup: Follow the Midi Test instructions described on the Digital I/O Board Section Schematics (0057498000 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

22、area around U33 and U34 or swap Digital I/O boards. 2.2 If there is no Midi activity on P5B 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,

23、 otherwise swap the ribbon cable on P6. NO AUDIO ON HEADPHONES JACK Setup: Follow the instructions as stated under notes 8, on the Cyber-Twin Head Main Schematics (0057498000 Sheet1). 1. Check for Audio Output through the Speakers with Headphones unplugged. 2. If there is no Audio Output through the

24、 Speakers proceed to the previous troubleshooting section NO AUDIO. CYBER-TWIN HEAD NO 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, t

25、hen swap the cable. FX KILL/ FOOTSWITCH IS NOT WORKING Setup: See Footswitch Notes on the Digital I/O Board Section Schematics (0057498000 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

26、 around J3 and J5. 3. If the Voltages are correct check for Digital Activity on U26 Pins 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 swa

27、p the Front Panel PCB (0055754000). 4. If there is Digital Activity on Pins 7 & 15, check 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 C

28、able on P7. Swap if necessary, otherwise swap the Front Panel PCB (0055754000). CYBER-TWIN HEAD 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. - So

29、mething is plugged into the L/MONO EFFECTS RETURN jack, or the HEADPHONES jack. 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

30、 jack. NO EFFECTS What to check: - The effects function in the FX Menu is turned 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

31、 the FX Kill footswitch to disable the function. DELAY TIME CHANGE SOUNDS ABRUPT 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 HEAD NO REVERB What to ch

32、eck: - The REVERB control is turned to 1. - The REVERB INPUT is turned 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 Kil

33、l Footswitch to disable the function. NO MIDI RECEPTION/ TRANSMISSION 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 o

34、n the Cybertwin is turned OFF. How to solve the problem: - Connect 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 transmi

35、tting device or set the RECEIVE CHANNEL to OMNI. - Press the UTILITY 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 th

36、e problem: - Press the UTILITY menu button 7x to go to the SYSEX 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 HEAD AMP DOES NOT LOAD PRESETS OR WILL NOT SAVE A PRESET What to check: - DEMO MODE is

37、 turned ON. - MEMORY PROTECT is turned ON. How to solve 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 che

38、ck: - LINE/SPKR PHASE is set to RIGHT or LEFT REVERSE POLARITY. - 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

39、black cable to the negative speaker connection. EXPRESSION 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 j

40、ack on the rear panel. - Press the AMP menu button 15x to get to the EXPRESSION PEDAL function and turn it to the desired control parameter. CYBER-TWIN HEAD 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 MI

41、DI device. - The CONTINUOUS CONTROLLER on the 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 a

42、nd set the RECEIVE CHANNEL to the same channel 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 CONT

43、ROLLER function and turn it to the parameter 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.

44、PROGRAM CHANGE DOES NOT WORK CORRECTLY What to 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. CYBER-TWIN HEAD FOOT CONTROLLER CHANGES WILL NOT

45、RECORD IN SEQUENCER What to check: - The CC ECHO IN ? OUT is turned OFF. How to solve the problem: - Press the UTILITY menu button 9x to get to the CC ECHO IN ? OUT function and switch it to ON. TAP BUTTON DOES NOT WORK What to check: - The effect in the FX menu is switched to NONE. - An effect is s

46、elected that does not support the TAP button. - The Min and Max FX times are exceeded. How to solve the problem: - Press the FX menu button and select the desired effect. - Press the FX menu button and select any desired effect other than PEDAL WAH, TOUCH WAH and PITCH SHIFT. - The Min FX time is 30

47、ms and the Max FX time is 1.45s. 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 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) Ch

48、eck VFD Power Supplies OK Troubleshoot Power Supplies Power Supplies OK Plug In Speakers Troubleshoot Power Supplies Ribbon Cables 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

49、 I/O PCB (0056333000) Audio on P2B Pin1&3 Host PCB (0055736000) Audio on P1B Pin7&8 Host PCB (0055736000) Swap Host PCB (0055736000) 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