Read Sony CDX-GT10M Service Manual online
15
15
CDX-GT10M
CDX-GT10M
3-3. BLOCK DIAGRAM — DISPLAY SECTION —
3-4. CIRCUIT BOARDS LOCATION
KEY ACKNOWLEDGE
SWITCH
Q664
X502
32.768kHz
79
80
82
83
41
28
29
27
40
52
76
77
SYSTEM CONTROL
IC501 (3/3)
LCD DRIVER
IC901
KEYIN0
CL
CE
LCD SO
2
DIMMER
1
BACK LIGHT
LCD CKO
LCD CE
KEYIN1
31 RE-IN0
32 RE-IN1
KEY ACK
XKEY ON
3 AREASEL0
7 NOSE DET
RESET
2
1
XIN
XOUT
OSC IN
OSC OUT
X501
18.432MHz
S702
RESET
63
64
62
COM4
COM1
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
D503
5
|
50
•
55
51
|
54
|
S1
S48
|
DI
LED908,
911–919,941–944,951
LSW901–903,909,910,920
911–919,941–944,951
LSW901–903,909,910,920
LCD BACK LIGHT
LED DRIVE
Q932
LED932
PANEL+B
BU+3.3V
(
)
KEY MATRIX
RESET
IC602
LSW901–903,909,910,920
S908,911–919
(VOLUME)
PUSH DIAL SELECT
RE901
ROTARY
ENCODER
VDD VOUT
LCD BACK
LIGHT
S502
FREQUENCY
SELECT
(
)
BU+3.3V
10K
9K
DIMMER
LED DRIVE
Q931
•
60
MAIN board
JACK board
KEY board
SENSOR board
SERVO board
tuner unit
(TU1)
(TU1)
• NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. (p: pF)
• All capacitors are in µF unless otherwise noted. (p: pF)
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.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• CD mechanism section
no mark : CD PLAY
• Main (1/3), (2/3), (3/3) and Key sections
no mark : FM
no mark : CD PLAY
• Main (1/3), (2/3), (3/3) and Key sections
no mark : FM
(
) : AM
<
> : CD PLAY
∗
: 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.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD PLAY
F
: FM
f
: AM
L
: AUX
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
(Side A)
parts face are indicated.
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.
Q
C
These are omitted
E
B
E
These are omitted
C
B
C
These are omitted
B
E
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