Sony CDX-M610 Service Manual ▷ View online
33
33
CDX-M610
ANT1
(ANTENNA)
1
10
2
ANT
MPX
8
AMDET
16
VDD
ANT
TUNER UNIT
TU601
Q404
13
11
15
14
20
21
18
31
SYSTEM CONTROL
IC801 (2/3)
14
S METER
VSM
VOL ATT
MUTE
SCL
SDA
S METER
MP IV
AM
MPX
23 OUTSSR
24 OUTSSL
1 SEL
12
SDA IC
70 I2CSIO
13
SCL IC
71 I2CCKO
4
FM AGC
51 FM AGC
17
SDA ROM
10 E2PSIO
18
SCL ROM
11 E2PCKO
3
30
FD1L
OUT FL
ELECTRONIC VOLUME
IC401
29
OUT RL
25
SWR
55
ST-BY
16
TEL ATT 95
ILL IN
81
ACC IN
73
X1A
74
X0A
84
TEST
83
PW ON
92
X0
93
X1
114
TU ON
ATT
CD
SECTION
1
DISPLAY
SECTION
SECTION
3
CD
SECTION
4
IC409(2/2)
Q202
Q201
Q403
Q410
MUTE
CONTROL
Q401, 402
12
5
3
11
22
4
9
7
POWER AMP
IC903
MUTE
STBY
CNP901
FL+
FL–
RL+
RL–
ATT
ILL
ACC
TEST
FR+
13
14
7
15
4
10
2
9
1
12
3
11
COM 8V
FR–
RR+
RR–
5
AMP REM
6
ANT REM
16
BATT
X802
32kHz
X801
3.68MHz
ILL
DET
Q902
POWER
CONT
Q461
ACC
DET
DET
Q918
POWER
CONT
Q905, 919
Q923
R-CH
BATT
BATT
MD +B
TU 8V
POWER
CONT
Q924, 925
MD +B
5V
POWER
CONTROL
Q912, 916
MD 5V
Q917
Q901
PJ402
PJ401
–1
–2
R
L
SUB OUT (MONO)
–3
–4
R
L
LINE OUT
REAR
R-CH
–5
–6
R
L
LINE OUT
FRONT
R-CH
–1
–2
R
L
BUS AUDIO IN
R-CH
53
FL
RL
F901
5
7
IC409(1/2)
1
3
CDL
AOUT
• Signal path
: FM
: AM
: CD
REG
Q604
4-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 32)
(Page 32)
(Page 34)
34
34
CDX-M610
REG
IC905
BUF
IC303
IR
RECEIVE
IC501
IR
RECEIVE
IC903
REG
IC306
I
DET
IC308
MOTOR
DRIVE
IC307
BUS SI
BUS CLK
BUS ON
BU CHECK
LINK OFF
SIRCS
S RST
UNI SO
7
2
1
6
LCD DRIVER
IC901
100
99
97
98
100
99
97
98
84
85
86
X351
18.43MHz
INH
CLK
DATA
CEO
INH
CLK
DATA
CEO
DIMMER
85
86
XTAL
LINK OFF
RES
NMI
BU IN
BUS ON
UNI SCK
UNI SI
UNI SO
EXTAL
66 CEO
69 INH
64 CLK
70
52
CEI
LCD9V
LCD9V
ILL ON
MD +B
33
SP LAT
62
RX
46
LED SW1
47
LED SW2
57
BOOT
P40
PE0
60
TX/FL-SO
61
SPP-SI
SW1
SW2
POWER
CONT.
Q907,908
VREF
CONT.
Q303,304
I
DET
Q302
SHIFT
Q909
POWER
CONT.
Q903, 904
POWER
CONT.
Q913, 915
LED
DRIVE
Q501,502
POWER
CONT.
Q901,902
POWER
CONT.
Q903,904
MT +B
KEY IN
MATRIX
KEY
ACTIVE
Q921
BATT
BU 5V
BATT
BATT
LCD 9V
LCD 9V
MT +B
FLASH W
CLOSE SW
RT
INA1
SHIFT
OPEN SW
I DET
FPCRTL
MOT–
MOT+
FLSWPWON
FLS SO
FLS SI
SP LATCH
LED SW1
LED SW2
BOOT
BATT
MD 5V
BZ801
98
40
PE1 41
PE2 42
PE3 43
101
105
38
49
82
81
50
97
DISPLAY CONTROL
IC301
CD
SECTION
2
TUNER
SECTION
3
CD
SECTION
5
LCD902
LCD901
LCD DRIVER
IC902
Q906
Q905
CN502
ILL ON 9V
TX (SO)
RX (SI)
FL SW
1
3
3
7
2
3
14
16
11
6
12
SW900
(OPEN/CLOSE)
40
96
99
37
BEEP
DRIVE
Q803
BEEP
ON/OFF
DRIVE
Q906
15
CD ON
MD ON
MD +B
ON/OFF
DRIVE
Q911
BU 5V
1
2
69
100
82
4
KEY IN1
47
KEY IN0
46
RC IN1
72
KEY ACK
79
AD ON
80
RC IN0
48
12
115
116
106
13
DSP SI
25
98
97
2
3
OUT1 7
9
OUT2 10
INA2 14
VCC
DC/DC CONV.
CONTROL
IC901
CD 5V
REG
Q914
SYSTEM CONTROL
IC801 (3/3)
CNP803
(REMOTE IN)
M601
OPEN/CLOSE
MOTOR
SW504
Z
17
61
10
11
12
14
AIN
AOUT
AOUT
A
B
C
B
C
SEL
SIGNAL IND,DET
IC407
• Signal path
: FM
: CD
OPEN
CLOSE
4-4. BLOCK DIAGRAM — DISPLAY SECTION —
(Page 32)
(Page 32)
(Page 33)
35
35
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
36
36
CDX-M610
4-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION —
Click on the first or last page to see other CDX-M610 service manuals if exist.