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HCD-GRX50/R770/RXD7
– 27 –
– 28 –
7-5.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
p
: parts mounted on the conductor side.
•
¢
: internal component.
•
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
Indication of transisitor.
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
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.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• 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.
F
: TUNER (FM/AM)
E
: PLAYBACK (DECK A)
d
: PLAYBACK (DECK B)
G
: RECORD
J
: CD PLAY (ANALOG OUT)
c
: CD PLAY (DIGITAL OUT)
N
: MIC INPUT
• Abbreviation
AED
: North European model.
AR
: Argentine model.
AUS
: Australian model.
CND : Canadian model.
E2
: 120 V AC Area in E model.
E3
: 240 V AC Area in E model.
EA3
: Saudi Arabia model.
EA4
: Israel model.
G
: German model.
KR
: Korean model.
MX
: Mexican model.
SP
: Singapore model.
TH
: Thai model.
TW
: Taiwan model.
Note:
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
• Circuit Boards Location
• Abbreviation
AR
: Argentine
AUS
: Australian
CND : Canadian
E2
: 120 V AC Area in E model
E3
: 240 V AC Area in E model
EA3
: SaudiArabia
EA4
: Israel
KR
: Korean
MX
: Mexican
SP
: Singapore
TH
: Thai
TW
: Taiwan
CD SW board
SUB TRANS board
(RXD7/R770)
TRANS board
MAIN board
PANEL board
TUNER PACK
(CND, E2, MX)
TUNER (FM/AM)
(AEP, UK, EA4, TH, AR, KR, AUS)
TUNER (FM/MW/SW)
(E3, EA3, SP, TW)
CONNECTOR board
SENSOR board
MOTOR (TURN) board
MOTOR (SLIDE) board
LEAF SW board
AUDIO board
BD board