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SECTION 5
DIAGRAMS
5-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
(In addition to this, the necessary note is each block.)
• Circuit Boards Location
•
Abbreviation
AUS
: Australian
MY
: Malaysia
SP
: Singapore
HP board
AC POWER board
TRANSFORMER board (AEP, AUS)
DOLBY-S boards
MAIN board
TRANS 1 board
(MY, SP)
TRANS 2 board
(MY, SP)
REC VOL board
AUDIO board
LEAF SW
board
PANEL board
Note on Schematic Diagram:
• 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.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
Note on Printed Wiring Boards:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
b
: Pattern from the side which enables seeing.
•
Abbreviation
AUS
: Australian model.
MY
: Malaysia model.
SP
: Singapore model.
•
Indication of transistor.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : PB
(
) : REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
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.
E
: PB
a
: REC
• Abbreviation
AUS
: Australian model.
MY
: Malaysia model.
SP
: Singapore model.
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
