MZ-E800

6-8. SCHEMATIC DIAGRAM – MAIN Board (4/4) – • See page 37 for Waveforms. • See page 39 for IC Block Diagrams.

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Note on Schematic Diagram:

 

 

 

 

 

impedance 10 MΩ ).

•

All capacitors are in µF unless otherwise noted. pF: µµF

•

A : B+ Line.

•

Voltages are taken with a VOM (Input

 

50 WV or less are not indicated except for electrolytics

•

Total current is measured with MD installed.

 

Voltage variations may be noted due

to normal produc-

 

and tantalums.

• Power voltage is dc 1.5V and fed with regulated dc power

 

tion tolerances.

•

All resistors are in Ω and 1/4 W or less unless otherwise

 

supply from battery terminal.

• Waveforms are taken with a oscilloscope.

 

specified.

• Voltages and waveforms are dc with respect to ground in

 

Voltage variations may be noted due to normal produc-

•

% : indicates tolerance.

 

playback mode.

 

tion tolerances.

•

C : panel designation.

 

no mark : PLAYBACK

•

Circled numbers refer to waveforms.

 

 

 

(

) : CHARGE

 

 

 

 

 

 

∗

: Impossible to measure

 

 

 

– 35 –

– 36 –

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Image 27
Sony MZ-E800 service manual Charge