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Tube Tech LCA 2B Dual Channel Tube VCA Compressor User Manual

Page 8

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LYDKRAFT ApS

Mose Allé 20, DK-2610 Rødovre

Denmark

8

SERVICE HINTS:

(940530)

SYMPTOM

CAUSE

ACTION

Noise

Unbalance in VCA tube

Adjust balance

Noise

Noisy VCA tube (V1, V101)

Replace and adjust

Noise

Control amp IC 4 (IC 104)

Replace. Check gain reduction and readjust

Hum

+12V, +110V, +15V PSU

Repair

Overshoot when compressing

Unbalance in VCA tube

Adjust balance

Oscillations with no signal and
max ratio and low threshold

Unbalance in VCA tube

Adjust balance (replace tube)