Sony CDX-L350 / CDX-L360 Service Manual ▷ View online
17
17
CDX-L350/L360
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
3-5. CIRCUIT BOARDS LOCATION
KEY MATRIX
LSW901-915
LSW901-915
S901-908
KEY
ACTIVE
Q664
DOOR IND
DRIVE
Q633
J561
(REMOTE IN)
X502
32.768kHz
15
16
12
13
5
18
20
19
4
26
91
98
6
SYSTEM CONTROL
IC501 (3/3)
LCD DRIVE
IC901
KEY IN0
LCD SO
LCD CKO
LCD CE
POWER
CONT
Q661,662
92
DOOR IND
KEY IN1
KEY ACK
AD ON
RC IN1
RC IN0
ILL +B
XIN
XOUT
OSC OUT
93
ILL ON
BATT
OSC IN
X501
18.432MHz
LED801,LSW801
64
63
62
LCD901
L360
DI
CL
CE
MAIN board
SUB board
LIMIT board
DISC IN board
LOAD board
KEY board
SERVO board
tuner unit
(TU10)
(TU10)
IC1
uj
(RFO)
• Waveforms
— Servo Board —
— Servo Board —
(MODE: CD PLAY)
1
2
3
IC1
ts
(PACK)
0V
1.8Vp-p
16.9344MHz
IC1
wd
(X TAL)
0V
4
Approx. 620mVp-p
IC1
oa
(FEO)
5
Approx. 200mVp-p
IC1
od
(TEO)
2.4Vp-p
4.8Vp-p
3.4msec
32.768kHz
IC501
qh
(XIN)
— Main Board —
1
2
3
18.43MHz
IC501
qs
5.2Vp-p
4.332MHz
IC51
5
(OSCI)
5.2Vp-p
3.6Vp-p
18
18
CDX-L350/L360
3-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION —
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 diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
%
: indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• 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.
F
: FM
f
: MW
J
: CD
for printed wiring boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
x
: parts mounted on the conductor side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
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.
19
19
CDX-L350/L360
Ref. No.
Location
(Page 21)
IC1
D-2
IC2
G-2
Q1
B-3
• Semiconductor
Location
20
20
CDX-L350/L360
IC B/D
IC B/D
• Refer to page 17 for Waveforms.
3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 26 for IC Block Diagrams.
Note:
• Voltage is dc with respect to
ground under no-signal conditions.
no mark : CD PLAY
no mark : CD PLAY
(Page 22)
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