Error code

General Dynamics All models code U17

For your safety

This fault is rated high and involves an area that affects personal safety. No remote repair or do-it-yourself instructions are given; do not use the appliance or try to open or repair it.

Hazard area: mains voltage

Do not use the appliance and call an authorised service. If there is a risk to life, move to a safe place and see the emergency numbers.

The emergency numbers here are for Turkey. If you are outside Turkey, call your local emergency number.

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No approved translation for this record yet; showing the original text.

Meaning

U51, Vertical Position Latch Interfaces upper data bus (BD8-BD15) to D/A converter U38 to provide a vertical position voltage for scope functions. U52, Trigger DAC Interfaces upper data bus (BD8-BD15) to D/A converter U39 to provide a trigger voltage level for scope functions. U64, Static Bus Latch Output Pin(s) Watt Data EN 6 Watt Add Latch 1-2 2,9 Vernier Latch 1-2 5,19 Cal Latch 1-2 16,15 Unused 12 U65, Synth Program Latch Output Pin(s) Synth Clock 2 Synth Latch 9 Gen synth Data 6 Lo Synth Data 1-4 5,19,16,15 Hi Synth Data 12 U74, SA Control Latch Output Pin(s) SA Sweep Width 1-4 6,5,19,16 SA BW 1-2 2,9 SA CAL Latch 12 SA Spare 3 15 U75, RF Atten Latch Output Pin(s) Output Atten 1-3* 2,9,6 Input Aften 1-2 19,16 RF Aften Spare 1-2 12,15 Spare 5

Member details

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Possible causes

U76, RIF Output Latch Output Pin(s) Input Det Gain* 15 Gen Outl(RF I/O)* 5 CAL RF/(ANT)* 16 Sweep EN 2 1500 PLL Data 19 Spare 12 RF Output Spare 1 6 Spare Bus 9 U77, RF Static Output Latch Outputs Latched Write 0-7 U78, RIF Mode Latch Output Pin(s) GEN Hl/(LO)* 12 Mod Sel 1-2 16,15 WB/(NB)* 5 SA Synth Data 6 SA Spare 1-2 2,9 U79, Audio FIL/LIN Latch Output Pin(s) Audio LPF 1-2 15,12 Audio HPF 1-2 19,16 Gen LIN 1-2 6,5 Audio FL/LIN Spare 1-2 2,9

Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.