Sanyo VHR-VT221A Service Manual page 29

1-5: PB AUDIO LEVEL
CONDITIONS
MODE-Self (RECORD and PLAYBACK)
Input Signal- Audio Signal: 1KHz, 500mVrms
Video Signal: PAL Color Bar
Input Select-AV
INSTRUCTIONS
1. Connect the color bar generator to pin 9 of CP4503.
2. Connect the audio generator to pin 7 of CP4503.
3. Connect the AC voltmeter to pin 3 of CP4503 through
47K ohm resistor.
4. After the input of audio signal and video signal, proceed
with the recording.
5. Playback the recorded section and check if the AUDIO
OUTPUT LEVEL is 500mVrms ± 2dB.
ELECTRICAL ADJUSTMENTS
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