Read Sony PMC-202 (serv.man4) Service Manual online
– 8 –
r
WAVEFORMS
13
IC3
1
pin
VOLT/DIV : 0.2 V AC
TIME/DIV : 10
TIME/DIV : 10
µ
sec
12
T301
VOLT/DIV : 2 V AC
TIME/DIV : 5
TIME/DIV : 5
µ
sec
9.2Vp-p
12.1
µ
sec
0.93Vp-p
75kHz
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
Note: The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : TAPE PLAY
<
> : TAPE REC
(( )) : CD
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
f
: AM
E
: PB
a
: REC
J
: CD
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