ST-S3000ES - Sony Audio Service Manual (repair manual). Page 7

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4-1. WAVEFORMS
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each
block.)
NOTE
: parts extracted from the component side.
: parts extracted from the conductor side.
: Pattern from the side which enable seeing.
NOTE
• All capacitors are in 
µ
F unless otherwise noted. pF : 
µµ
F 50WV
or less are not indicated except for electrolytics and tantalums.
• All resistors are in 
 and 1/4W or less unless otherwise speci-
fied.
¢
: Internal component.
: nonflammable resistor.
: panel designation.
SECTION 4
DIAGRAMS
IC801 
4.332MHz
MAIN SECTION
1
3.2Vp-p
IC701 
 X2
4.2MHz
DISPLAY SECTION
1
5.2Vp-p
B+
: B+ Line
B–
: B– Line
: adjustment for repalf
• Voltage and waveforms are dc with respect to ground under no-
signal conditions.
no mark : FM
MW
: (     )
LW
: <    >
*
: Can not be measu
• Voltages are taken with a VOM (Input impedance 10M
).
Voltage variations may be noted due to normal production toler-
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
• Circled numbers refer to waveforms.
• Signal path.
: FM
: AM
Note: The components identified by mark 
!
 or dotted
line with mark 
!
 are critical for safety.
Replace only with part number specified.
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