Fender CYBER-TWIN HEAD Service Manual Download Page 14 | Manualshive

Page: 14 / 44

Fender CYBER-TWIN HEAD Service Manual Download Page 14

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

Ribbon Cable

on P5

Swap

Ribbon Cable

on P6

Swap

Host PCB

(0055736000)

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Summary of Contents for CYBER-TWIN HEAD

Page 1: ...s 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 assembly End ite...

Page 2: ...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 the desc...

Page 3: ...ects 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...

Page 4: ...kers 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 1If there is no Audio on Effects Send 5 1 1 Check for Audio on U7 Pin1...

Page 5: ...scribed on the Motor Pot A D Section Schematics 0057498000 Sheet 4 MIDI IS NOT WORKING Setup Follow the Midi Test instructions described on the Digital I O Board Section Schematics 0057498000 Sheet 3...

Page 6: ...ower Supply is OK check the area 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 a...

Page 7: ...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 turned to NONE The effect output level is turned...

Page 8: ...IT CHANNEL on 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...

Page 9: ...er 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 speak...

Page 10: ...E 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 C...

Page 11: ...t to ON TAP BUTTON DOES NOT WORK What to check The effect in the FX menu is switched to NONE An effect is selected that does not support the TAP button The Min and Max FX times are exceeded How to sol...

Page 12: ...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...

Page 13: ...6000 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...

Page 14: ...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...

Page 15: ...ADPHONES ARE NOT WORKING NO YES NO YES Audio Output through Speakers with Headphones unplugged Proceed to NO AUDIO worksheet Ribbon Cable on P3 OK Swap Ribbon Cable on P3 Swap Analog I O PCB 005633300...

Page 16: ...26 Pins 4 5 10 11 12 Digital Activity on U26 Pins 7 15 Troubleshoot Power Supply Troubleshoot area around J3 or J5 Ribbon Cable P4 OK Digital Activity on U26 Pin 13 Swap U26 SN74HC166N Ribbon Cable P4...

Page 17: ...Cyber Twin Presets...

Page 18: ...C307 308 C407 408 8 0038873001 CAP CA 22pF 100V LL C105 C115 C117 118 C122 124 C128 5 0042001001 CAP CA 33pF 100V LL C48 C54 C69 C99 C104 3 0038701001 CAP CA 470pF 50V LL C60 C134 C146 2 0051459003 CA...

Page 19: ...B P6A P7A 1 0027421000 HDR 1 CTR 12 CKT SQ PIN P3A 2 0027413000 HDR 1 CTR 6 CKT SQ PIN P5A P5B 2 0027416000 HDR 1 CTR 8 CKT SQ PIN P1A P2A 1 0055995000 IC 1 OF 8 DECODER 74HC138 U16 1 0055996000 IC 8...

Page 20: ...LL R105 R146 12 0025069001 RES CF 1 4W 5 1M LL R23 R34 R65 R67 R91 R133 R140 141 R145 R147 R151 R156 11 0024971001 RES CF 1 4W 5 2 2k LL R86 R95 R119 R217 R219 221 R240 243 2 0029455001 RES CF 1 4W 5...

Page 21: ...NPN 2N4401 TO 92 Q4 Q12 Q21 22 Q26 Q408 10 0025751003 XSTR NPN 2SC2362K 2SC2389STPS Q7 8 Q10 11 Q301 303 Q401 403 2 0054418000 XSTR NPN 2SC3263 MT 100 Q30 Q412 2 0028760000 XSTR NPN 2SC4793 2SC3298B Q...

Page 22: ...U18 1 0055981005 IC SMT 3 TO 8 DECODER 74HC138 U16 6 0055966005 IC SMT OP AMP DUAL 4560 U19 U23 U25 28 1 0055973005 IC SMT OSC 11 2896MHz U15 1 0055967005 IC SMT QUAD 2 IN NOR 74HC02 U2 1 0053541005 I...

Page 23: ...7 R44 45 R54 55 32 0053545004 RES 0805 MF 1 10W 5 10k R8 R11 R14 15 R18 19 R21 R24 43 R46 50 1 0031188000 SCRW M4 40x1 4 PHPS ZI w WSHR U8 1 0097360000 NUT HEX 4 40 EX LOCK U8 10 0054657000 SPACER LED...

Page 24: ...FAB CYBER TWIN ANALOG I O REF 0056333000 SERVICE DIAGRAM COMB CYBER TWIN ANALOG I O PRINTED CIRCUIT BOARD ASSEMBLY SPKR OUT QTY PART DESCRIPTION REFERENCE DESIGNATION 2 0029175000 JACK PHONE 1 4 HI C...

Page 25: ...RW TF 6 32x1 4 PHP ZI GND SCREW 10 0041595000 SCRW 6 32x3 16 PHP STL ZI SEMS HOST FRNT PNL VFD 4 0051155000 SCRW SMB 4X3 8 PHP BLX XLRS 7 0053479000 NUT HEX 7 16 20X1 8 NI JACKS 7 0053480000 WASHER FL...

Page 26: ...PWR W IEC CONN DOM REF 0047250000 CORD PWR W IEC CONN 240V REF 0047249000 CORD PWR W IEC CONN 230V UK REF 0047251000 CORD PWR W IEC CONN 230V REF 0053997000 CORD PWR W IEC CONN 100V JPN 1 0057518000...

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