Sony PCS-1500 Service Manual page 163

AA-2
Connect MIC IN 1 or 2 and
AUDIO OUT with pin cable
(∗1)
shown in Fig. 1
#diag[|]audio[|]analog[|]3↓
Sound is output
from speaker
NO
Sine wave is
present at IC600
[5,6]
NO
IC601, IC604, IC602, or
their peripheral
n
Before starting performing this diagnostics, the digital check of the video block and audio DSP needs to
have been completed beforehand.
PCS-1500/1500P
(*1) : Waveform at IC600 [5,6],
YES
AA-3
YES
Replace speaker
MIC IN
100 [kZ]
Fig. 1
IC604 [1,3], CN600 [4] and
CN601 [2], when the application is started
and the command is inputted as follows,
under this state are shown at the end of this section.
>set[|]1470001c[|]8e↓
>mail[|]42,380d0007018080↓
This enables to check the waveforms and
voltage level.
4-2. Self-diagnostics Function
AUX OUT
4-33