13 pcx

AI-H513(N} 1/2

2-3. AUDIO CIRCUIT ADJUSTMENT

• Before making these adjustments, especially, the tape guide height and audio control erase head height adjustments should be carried out, so that the tape traveling between the loading guide pole and the audio control erase head runs without fluttering, twisting curling.

2-3-1. TEST EOUIPMENT AND STANDARDS REGUIRED

• Before making these adjustments, (except the audio control erase head adjustments), Section 2-1. SERVO and Section 2-2. VIDEO Circuit adjustments should be carried out.

Color Bar Signal Generator	Color bar signal with 100% white level.
Oscilloscope	Vertical sensitivity : 5 mV/DIV Band width : morę than 30 MHz
AC Voltmeter	Effective value indication Input frequency : 10 Hz 20 kHz Input impedance :morethan1MO Measurement level : 1 mV (fuli scalę)
Blank Tape	VHS-type cassette tape
Dummy Pług	RCA pług, Shorting type

2-3-2. LOCATION OF ADJUSTMENT POINTS

P1B24900B-A1

CP-1 PWB (FOILSIDE)    Fig. 2.3.1

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