27
27
CFD-G700CP/G770CP/G770CPK
CFD-G700CP/G770CP/G770CPK
• Circuit Boards Location
SECTION 7
DIAGRAMS
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
specified.
•
f
: internal component.
•
C
: panel designation.
•
H
: adjustment for repair.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
– BD90 Board –
no mark : CD PLAY
– TUNER Board –
no mark : FM
(
) : AM
– TC Board –
no mark : FM
(
) : PB
<
> : REC
[
] : CD PLAY
– Other Boards –
no mark : CD PLAY
• Voltages are taken with a 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
: FM
f
: AM
E
: TAPE PLAY
a
: TAPE REC
J
: CD
d
: LINE IN
• Abbreviation
AUS
: Australian model.
CND
: Canadian model.
E41
: AC 230 V area in E model.
E92
: AC 120 V area in E model.
MX
: Mexican model.
SP
: Singapore model.
For Printed Wiring Boards.
Note:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
W
: indicates side identified with part number.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
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.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
Q
E
Note:
The components identi-
fied by mark
0
or dot-
ted line with mark
0
are
critical for safety.
Replace only with part
number specified.
Note:
Les composants identifiés
par une marque
0
sont cri-
tiques pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
TC board
TUNER board
CD KEY board
AUDIO IN board
LED2 board
LED4 board
LED1 board
LED3 board
LCD board
WOOFER KEY board
BD90 board
POWER board
MAIN board
HEADPHONE board
POWER KEY board
MICROPHONE board
(CFD-G770CPK only)
D-LIGHT board
(CFD-G700CP only)
VOLUME KEY board
BATTERY board