Read Sony HCD-GNX660 / MHC-GNX660 Service Manual online
24
HCD-GNX660
SECTION 7
DIAGRAMS
For schematic diagrams.
Note:
• All capacitors are in
Note:
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 V or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
BD84 board
no mark: CD PLAY
Other boards
no mark: TUNER (FM/AM)
( ) : CD PLAY
<
BD84 board
no mark: CD PLAY
Other boards
no mark: TUNER (FM/AM)
( ) : CD PLAY
<
> : TAPE PLAY
[
] : TAPE REC
*
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Signal path.
F
: AUDIO
f
: TUNER (FM/AM)
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: RECORD
J
: CD PLAY
N
: MIC INPUT
c
: CDG
g
: VIDEO
Note: The components identified by mark
0
or dotted line
with mark ! are critical for safety.
Replace only with part number specified.
Replace only with part number specified.
(The other layers' patterns are not indicated.)
• Indication of transistor.
Caution:
Parts face side:
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Printed Wiring Boards:
Note:
Note:
• X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
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