Service manual

2
HCD-EH10
• Note for Printed Wiring Boards and Schematic Diagrams
C
B
These are omitted.
E
Q
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
f
: internal component.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor
B
These are omitted.
CE
Q
2. DIAGRAMS
Ver. 1.4
Note on Schematic Diagram:
• All capacitors are in µF 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
specified.
• f : internal component.
• C : panel designation.
• A : B+ Line.
• H : Adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : FM
[]: AM
{ }: REC
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F : FM
f : AM
J : CD PLAY
E : TAPE PLAY
j : REC
i : AUX IN
• Abbreviation
AUS: Australian model
CND : Canadian model
EE : East European model
KR : Korean model
RU : Russian model
SP : Singapore model
TW : Taiwan model
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro
spécifié.