Block Diagram - Display Section; Circuit Boards Location - Sony CDX-GT10W Service Manual

3-3. BLOCK DIAGRAM — DISPLAY SECTION —
41 KEYIN0
KEY MATRIX
LSW901-903,908-920
40 KEYIN1
D503
KEY ACKNOWLEDGE
SWITCH 52 KEY ACK
Q664
RE901
PUSH SELECT
76 XKEY ON
(VOLUME)
ROTARY
31 RE-IN0
ENCODER
32 RE-IN1
BU+3.3V
10K
S502
( FREQUENCY ) 3 AREASEL0
SELECTOR
9K
GT150/GT150S
7 NOSE DET
RESET
88 SYS RST
IC602
BU+3.3V 2 VDD VOUT 1 77 RESET
S702
RESET
79
XOUT
X502
32.678kHz
80 XIN

3-4. CIRCUIT BOARDS LOCATION

SENSOR board
KEY board
CDX-GT10W/GT100/GT150/GT150S
SYSTEM CONTROL LCD DRIVER
IC501 (3/3) IC901
5
S1 |
LCD901
LCD SO 28 64 DI
|
55
LCD CKO 29 63 CL CLK
LIQUID
S48 •
60
LCD CE 27 62 CE CE CRYSTAL
DISPLAY
COM4 51
PANEL
| |
COM1 54
1 2
PANEL+B
LED932
( LCD BACK )
LIGHT
LED941-944,951
LSW901-903,908º-920
DIMMER
LED DRIVE
Q931
LCD BACK LIGHT
LED DRIVE
Q932
OSC IN 82
X501
18.432MHz
OSC OUT 83
SERVO board
tuner unit
(TU1)
MAIN board
JACK board
• 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 1 / W or less unless otherwise
4
specified.
• : internal component.
f
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti- pour la sécurité.
Ne les remplacer que par une
cal for safety.
piéce portant le numéro
Replace only with part
spécifié.
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
( ) : AM
< > : 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
15 15
CDX-GT10W/GT100/GT150/GT150S
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• : Through hole.
a
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
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) parts face are indicated.
C
Q
These are omitted
B E
B E C
These are omitted
E C B
These are omitted