Rivera Quiana Studio Troubleshooting Guide download pdf (Page 20)

Quiana and Fandango 1.0 p 20

3. After 25 minutes, turn it on, and if it shuts down again, refer the amp to qualified

service personnel.

Note: On SEMKO 230/250-volt models, there are two additional T 1.6A (250-volt Slo-

Blo type, 5mm x 20mm) fuses and one T 10A (250-volt Slo-Blo type, 5mm x 20mm)

fuse located internally. These protect the amp's output tube filaments and should only

be replaced by qualified service personnel.

There's unwanted distortion

1. Check the speaker(s).

2. Check the cables.

3. Check the signal level at other devices in the signal path.

4. One or more tubes may be bad (refer to the tube information in this manual, or take

your amp to qualified service personnel).

Tube Care & Replacement

Like a sports car, there's a certain amount of wear and tear to be expected in a high-

performance tube amp. Over time, especially with hard use, tubes may need

replacement. That's why it's a good idea to make note of when you purchased your amp

and whenever you replace tubes. It's no accident that your amp has two common types

of tubes: They're great-sounding and reliable, and it's easy to find replacements. Here's

a tube chart to show you which tubes go where.

Quiana 50/Fandango 55

V1 V2 V3 V4 V5

V7V6

Quiana 100/Fandango 100

V1 V2 V3 V4 V5

V7V6

V9V8

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 26 27

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Rivera Quiana Studio Troubleshooting Guide Page 20