Block Diagram - Display Section; Circuit Boards Location - Sony CDX-GT10M Service Manual

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3-3. BLOCK DIAGRAM — DISPLAY SECTION —
KEY MATRIX
41
LSW901–903,909,910,920
S908,911–919
40
D503
KEY ACKNOWLEDGE
SWITCH 52
Q664
RE901
PUSH DIAL SELECT
76
(VOLUME)
ROTARY
31 RE-IN0
ENCODER
32 RE-IN1
BU+3.3V
10K
S502
( )
FREQUENCY 3 AREASEL0
SELECT
9K
7 NOSE DET
RESET
IC602
2 1 77
BU+3.3V VDD VOUT
S702
RESET
T E
L 1 3 9 4 2 2 9 6 5 1 3
79
X502
32.768kHz
80

3-4. CIRCUIT BOARDS LOCATION

SENSOR board
w w w
KEY board
CDX-GT10M
SYSTEM CONTROL LCD DRIVER
IC501 (3/3) IC901
5
KEYIN0
|
S1
50 LCD901
|
LCD SO 28 64 DI
KEYIN1 •
55 LIQUID
S48
LCD CKO 29 63 CL
•
CRYSTAL
60
LCD CE 27 62 CE
DISPLAY
COM4 51
PANEL
| |
COM1 54
KEY ACK
XKEY ON PANEL+B
LED932
( LCD BACK )
LIGHT
DIMMER
LED DRIVE
DIMMER 2
Q931
LCD BACK LIGHT
LED DRIVE
Q932
BACK LIGHT
1
RESET
XOUT OSC IN 82
X501
18.432MHz
XIN OSC OUT 83
SERVO board
tuner unit
(TU1)
x a o
y
MAIN board
. i
JACK board
http://www.xiaoyu163.com
8
• 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.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
specified.
• : internal component.
f
• C : panel designation.
Note:
LED908,
The components identi-
911–919,941–944,951
fied by mark 0 or dotted
LSW901–903,909,910,920
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
• 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
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( ) : AM
3 7 6 3
< > : CD PLAY
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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.
J
: CD PLAY
F
: FM
f
: AM
L : AUX
u 1 6 3
.
15 15
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9 9 8
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• : Through hole.
a
1 / W or less unless otherwise
• : Pattern from the side which enables seeing.
4
(The other layers' patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
Note:
(Side B) pattern face are indicated.
Les composants identifiés par
Parts face side: Parts on the parts face side seen from the
une marque 0 sont critiques
(Side A) parts face are indicated.
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
C
spécifié.
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These are omitted
B E
B E C
These are omitted
1 5 1 5 0 8 9 2 4
E C B
These are omitted
m
c o
CDX-GT10M
2
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