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15
HCD-DX10/RG4SR/RG20/RG30T
SECTION 5
DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
• Indication of transistor.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark : FM
<
tion tolerances.
no mark : FM
<
> : CD
[
] : TAPE
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
• Abbreviation
CND : Canadian model
AUS
AUS
: Australian model
AR
: Argentina model
SP
: Singapore model
TW
: Taiwan model
MX
: Mexican model
MY
: Malaysia model
E2
: 120V AC Area in E model
E3
: 240V AC Area in E model
E51
: Chilean and Peruvian model
5-1. CIRCUIT BOARD LOCATION
• WAVEFORMS
– MAIN BOARD –
– PANEL BOARD –
– CD BOARD –
MOTOR board
ADDRESS SENSOR board
SENSOR board
DRIVER board
TRANS board
VIDEO OUT board
SPDL board
SUB TRANS board
MAIN board
POWER board
PANEL board
CD board
1
IC751
rf
(XOUT)
4.9Vp-p
59 ns
2
IC102
wf
(XOUT)
3.2Vp-p
222
µ
s
4
IC601
qj
(XTAL 6.0MHz)
4.8Vp-p
167 ns
3
L251
14.1Vp-p
16.6
µ
s
(60.1 kHz)
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