Sony CDX-M610 (serv.man2) Service Manual ▷ View online
37
37
CDX-M610
4-5. CIRCUIT BOARDS LOCATION
tuner unit
(TU601)
(TU601)
DISC IN SW board
SWITCH board
DISPLAY board
SERVO board
LIMIT SW board
MAIN board
SUB board
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.
•
U
: 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
: AM/MW
J
: CD
for printed wiring boards:
• 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 layer’s patterns are not indicated.)
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.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• Waveforms
(Servo Section)
(MODE:CD PLAY)
1
2
3
Approx. 620mVp-p
IC1
qf
(FE)
0V
IC1
qh
(RFO)
1.2Vp-p
Approx. 200mVp-p
IC1
qd
(TE)
0V
38
38
CDX-M610
4-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION —
39
39
CDX-M610
(Page 43)
Ref. No.
Location
IC1
C-1
IC5
C-6
IC7
F-2
IC501
F-5
Q101
B-2
• Semiconductor
Location
40
40
CDX-M610
• Refer to page 37 for Waveforms.
4-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 52 for IC Block Diagrams.
(Page 44)
Note:
• Voltage and waveforms are dc
with respect to ground
under no-signal conditions.
no mark : CD PLAY
under no-signal conditions.
no mark : CD PLAY
∗
: Impossible to measure
(Page 41)
(Page 41)
IC B/D
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