Sony TC-WE475 Service Manual page 13

THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
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 / W or less unless otherwise
4
specified.
• % : indicates tolerance.
• : internal component.
f
• 5 : fusible resistor.
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are 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.
• B : B– Line.
• H : adjustment for repair.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : STOP
( ) : REC
< > : PB
∗
: Can not be measured.
• 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.
d : PB
G : REC (DECK B)
• Abbreviation
CND : Canadian model.
AUS : Australian model.
SP : Singapore model.
For printed wiring boards.
Note:
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
• Transistor of "B" and "C" indication is omitted.
• Indication of transistor
B C E
These are omitted
WAVEFORMS
– MAIN SECTION (3/4) –
1
4.4Vp-p
10MHz
IC801 el EXTAL
13 13
TC-WE475