Read Sony CDX-GT430IP / CDX-GT43IPW Service Manual online
CDX-GT43IPW/GT430IP
CDX-GT43IPW/GT430IP
16
16
4-2. BLOCK DIAGRAM – DISPLAY Section –
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
• f :
internal
component.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
( ) : AM
< > : CD PLAY
• Voltages are taken with VOM (Input impedance 10 M
( ) : AM
< > : CD PLAY
• Voltages are taken with 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
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J :
J :
CD
PLAY
F :
FM
f :
AM
L :
BUS
AUDIO
g : AUX
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• a :
• X : Parts extracted from the component side.
• a :
Through
hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note:
The components identi-
fi
The components identi-
fi
ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
cal for safety.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
• Waveforms
– MAIN Board –
IC1 RI (XTAL1)
0.02 V/DIV, 0.1
μs/DIV
IC501 RB (XOUT)
1 V/DIV, 10
μs/DIV
IC501 RE (OSCOUT)
1 V/DIV, 50 ns/DIV
0.04 Vp-p
4 MHz
2.5 Vp-p
32.768 kHz
3 Vp-p
11.06 MHz
X502
32.768kHz
10
11
94
1
2
2
100
95
SYSTEM CONTROL
IC501 (2/2)
LCD DRIVE
IC901
KEYIN1
CL
CE
CE
LCD_SO
3
NOSE_SW
27
NCO/DD-ON (IPOD)
IPOD-CHARGE
IPOD-TX5V
(IPOD)
IPOD-3.3V
IPOD-RX5V
IPOD-DET
26
2
3
5
6
4
1
1
8
NCO/
SYNC-OUT (IPOD)
Q
5
/OC
4
/EN
IN
OUT
CLR
LCD_CKO
LCD_CE
DIMMER
KEYIN0
92 KEYACK1
82 RE-IN0
RE-0
RE-1
RE-1
81 RE-IN1
XOUT
XIN
X501
11.06MHz
CN250
CN200
15
13 OSCOUT
37 NCO/IPOD_DET
OSCIN
63
64
62
2
COM1
I
COM4
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
60
•
55
•
50
|
5
54
|
51
S1
I
S48
DI
DIMMER
SWITCH
Q931
Q998
LED DRIVE
CN701
CN901
LED931
PANEL+B
(
)
KEY MATRIX
LSW910–918,
LSW901, S901–907
(VOLUME)
PUSH ENTER/
SELECT
RE901
ROTARY
ENCODER
BACK LIGHT
1
BLINK
4
LCD
BACK LIGHT
SWITCH
Q932
WAVE SHAPER
IC861
DC/DC CONVERTER
IC862
R862
2A
D863
L862
D864
IPOD CHARGE CONTROL
IC863
LCD BACK
LIGHT
(
)
LED941–951,
LSW901, 910–918
KEY
ILLUMINATE
4 SIRCS
DD-ON
(
)
LED971–973
RING
ILLUMINATION
REMOTE
COMMANDER
RECEIVER
IC981
IPOD
DETECT
Q256
35 NCO/IPOD_TX
IPOD TX
BUFFER
BUFFER
Q254,255
IPOD B+
SWITCH
SWITCH
Q861,862
BATT
36 NCO/IPOD_RX
40 NCO/IPOD_OVER
39 NCO/IPOD_ON
39 NCO/IPOD_ON
B
FB
RC
RC
DRV
VCC
IPOD RX
BUFFER
Q252,253
+B DETECT/
SWITCH
Q864–866
SWITCHING
Q863
9
8
6
3
IPOD-AUD-L 1
IPOD-AUD-R
IPOD-AUD-L
IPOD-AUD-R
3
10
2, 3
6 – 8
1
MAIN
SECTION
(Page 15)
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