Read Sony CDX-GT16 Service Manual online
CDX-GT16
CDX-GT16
18
18
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.
• 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.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
(
)
:
MW
<
> : CD PLAY
*
: Impossible to measure
• Voltages are taken with a 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 :
MW
L :
AUX
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : parts extracted from the conductor side.
• a
• 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.)
• Waveforms
– MAIN Board –
– MAIN Board –
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
5-2. BLOCK DIAGRAM – DISPLAY Section –
These are omitted.
C B
E
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 identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
1 Vp-p
32.768 kHz
IC501 VM (XOUT)
3.1 Vp-p
18.432 MHz
IC501 JE (OSCOUT)
0.5 V/DIV, 20
μsec/DIV
1 V/DIV, 20 nsec/DIV
KEY ACKNOWLEDGE
SWITCH
Q664
X502
32.768kHz
79
80
40
28
29
27
29
27
41
52
76
SYSTEM CONTROL
IC501 (2/2)
DISPLAY CONTROL
IC901
KEYIN1
CL
CE
CE
LCD_SO
LCD_CKO
LCD_CE
DIMMER
KEYIN0
31 RE-IN0
RE-0
RE-1
RE-1
32 RE-IN1
KEY ACK
AD_ON
XIN
XOUT
X501
18.432MHz
82
83 OSCOUT
7 NOSE_SW
OSCIN
47
48
46
2
COM4
COM1
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
D503
3
|
34
•
39
35
35
|
38
|
S1
S33
|
CL
DI
CE
BACK LIGHT
SWITCH
Q932
DIMMER
SWITCH
Q931
LED931
PANEL+B
PANEL+B
(
)
KEY MATRIX
LSW903–910, S904
LSW901, 902, S901–903
(VOLUME)
PUSH SELECT
RE901
ROTARY
ENCODER
BACK LIGHT
1
LCD BACK
LIGHT
(
)
LSW901–910
KEY
ILLUMINATE
(
)
LED861,863–865
KEY
ILLUMINATE
CN701
CN901
15
15
64
2
SIRCS
OUT
IR
REMOTE CONTROL
SIGNAL RECEIVER
IC971
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