3. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) — • Refer to page 15 for Waveforms.
• Difference of Schematic Diagram (US Model)
(Page 19) (Page 15) (Page 15)
(Page 19)
(Page 15)
(Page 15) (Page 15)
Note:
•All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
•All resistors are in Ω and 1/4 W or less unless otherwise specified.
•% : indicates tolerance.
Note: | Note: |
The components identi- | Les composants identifiés par |
fied by mark 0or dotted | une marque 0sont critiques |
line with mark 0are criti- | pour la sécurité. |
cal for safety. | Ne les remplacer que par une |
Replace only with part | piéce portant le numéro |
number specified. | spécifié. |
|
|
•A : B+ Line.
•Power voltage is dc 4.5 V and fed with regulated dc power supply from external power voltage jack.
•Voltage and waveforms are dc with respect to ground under
no mark : PB
( ) : REC
∗: Impossible to measure
•Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal produc- tion tolerances.
•Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc- tion tolerances.
•Circled numbers refer to waveforms.
•Signal path.
J : PB (digital)
c : REC (digital)
– 12 – | – 13 – | – 14 – |
