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9.2. Preparation for Play/Rec Signal Check
Connect the oscilloscope or the speaker with built-in amplifier to the section between CP304-
pin 12 (R ch OUT) and CP304-pin 17 (A.GND) as well as the section between CP304-pin 14 (L ch
OUT) and CP304-pin 17 (A.GND) and check if the signals are outputting from this unit. Refer to
Fig. 9-3.
9.3. Checking Play/Rec Signal to This Unit alone
9.3.1. Necessary Instruments
- Recorded MD
- Recordable MD
- Optical fiber cable
- Portable CD player and CD
(You can check this operation with any other player that has an
optical digital output terminal but the portable CD player. The
following procedure explains check operation with the portable
CD player, but the procedure is the same for other players.)
9.3.2. Playback Signal Check
1. Set the unit so that Power Supply to This Unit alone as previously
explained.
Fig. 9-3.
18
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