Quick fault guide

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Fault	Solution
Loss of head drum speed lock, unstable picture	Adjust VR404 (drum free run speed) on the servo board until you get a perfect picture. Replacing the capacitors is recommended.
Garbled test signal pattern	Connect the unit to an analog TV via the RF output, set the test signal switch to ON and adjust VR124 (test signal oscillator frequency) on the W1 board until the pattern is stable.
Rewind function causes the tape to advance forward, REW LED indicator is lit up	The rewind solenoid failed to operate because fusible resistor R977 (2.7Ω) in system control board W4 was open-circuit. This can also cause intermittent lacing.
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