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4545
HCD-C5
C
B
These are omitted.
E
Q
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
•
a
: Through hole.
• Y : parts extracted from the conductor side.
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
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.
• 5 : fusible resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• 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.
F : FM
J : CD (ANALOG)
c : CD (DIGITAL)
p : PB (MD)
l : REC (MD)
I : DIGITAL IN (OPTICAL)
E : PB (TAPE)
G : REC (TAPE)
• Circuit Boards Location
6-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
(In addition to this, the necessary note is printed in each block)
SECTION 6
DIAGRAMS
• Waveforms
B
These are omitted.
CE
Q
POWER board
HP board
AUDIO board
JACK boar
d
PANEL board
1
IC101 us XTAO
2
IC101 ek (RF)
3
IC101 ef (FE)
(Play mode)
7
IC501 eh XT2
5
IC151 o; (FS4)
VOLT/DIV : 1V AC
TIME/DIV : 20 nsec
6
IC701 qd XOUT
VOLT/DIV : 1V AC
TIME/DIV : 40 nsec
VOLT/DIV : 1V AC
TIME/DIV : 40 nsec
VOLT/DIV : 1V AC
TIME/DIV : 20
µ
sec
4
IC101 wh (TE)
(Play mode)
8
IC501 ek X2
29.5
µ
s
4.0Vp-p
3.5Vp-p
176.4kHz
1.3Vp-p
3.2 Vp-p
100 ns
0.2Vp-p
30.5
µ
s
3.2Vp-p
1.6Vp-p
3.1 Vp-p
50 ns
BD (CD) boar
d
AMP POWER boardUCOM board
SW board
CONNECTOR board
BD (MD) board MD DIGITAL board
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
Caution:
Pattern face side: Parts on the pattern face side seen from
(Conductor B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component A) the parts face are indicated.
• Abbreviation
AUS : Australian model
HK : Hong Kong model
KR : Korean model
Ver 1.1 2001.09