HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
19
For Schematic Diagrams.
Note:
• All capacitors are in
μ
F unless otherwise noted. (p: pF) 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
speci
fi
ed.
•
f
: Internal component.
•
2
: Non
fl
ammable resistor.
•
C
: Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
•
A
: B+ Line.
•
B
: B– Line.
•
H
: Adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– BD74 Board –
no mark : CD PLAY
– Other Boards –
no mark : TUNER (FM/AM)
( ) : CD PLAY
< > : TAPE PLAY
[ ] : TAPE REC
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
:
TUNER
(FM)
f
:
TUNER
(AM)
J
:
CD
E
:
USB
q
: PC IN
d
:
TAPE
PLAY
:
TAPE
REC
• Abbreviation
AR :
Argentina
model
E2
: 120V AC area in E model
E4
: 220 – 240V AC area in E model
E51
: Chilean and Peruvian models
MX
: Mexican model
For Printed Wiring Boards.
Note:
•
X
: Parts extracted from the component side.
•
Y
: Parts extracted from the conductor side.
•
W
: Indicates side identi
fi
ed with part number.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
• Abbreviation
AR :
Argentina
model
E2
: 120V AC area in E model
E4
: 220 – 240V AC area in E model
E51
: Chilean and Peruvian models
MX
: Mexican model
Note:
The components identi
fi
ed by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number speci
fi
ed.
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
