Sony CMT-SD1 / CMT-SD3 / HCD-SD1 Service Manual ▷ View online
HCD-SD1
– 17 –
– 18 –
7-2. BLOCK DIAGRAMS
– BD SECTION –
25
SLED MOTOR
DRIVE
26
•
27
16
M
SLO
M102
SLED MOTOR
4
SPINDLE MOTOR
DRIVE
1
•
2
M
M101
SPINDLE
MOTOR
SLED/SPINDLE
MOTOR DRIVE
IC102 (2/2)
14
SL+
SLED
SERVO
IC101 (2/2)
19
TRACKING
COIL DRIVE
18
17
T+
T–
9
FOCUS
COIL DRIVE
12
11
F–
F+
2-AXIS
DEVICE
TRACKING
COIL
FOCUS
COIL
TRACKING/FOCUS
COIL DRIVE
IC102 (1/2)
7
XRST
22
XRST
TRACKING/FOCUS SERVO,
RF AMP
IC101 (1/2)
PD1
PD2
35
36
4
2
1
5
10
6
F
E
38
39
E
A
B
C
D
F
B+
K
A
D
C
B
DETECTOR
OPTICAL PICK-UP
(KSS-213B)
FEI
2
FEO
1
RV102
FOCUS
GAIN
TEO
42
TEI
44
RV103
TRACKING
GAIN
LD
33
PHD
34
LD DRIVE
Q101, 102
PD
LD
LASER
DIODE
DIODE
31
RFO
30
RFI
RF
14
23
C.OUT
CNIN
55
24
SENS
SEIN
54
FE BIAS 37
RV101
FOCUS
BIAS
+5V
6
FE-O
7
FE-M
12
TA-M
13
TAO
21
DATA
20
XLT
19
CLK
4
FGD
25
FOK
FOCUS SW
Q103
DATAO
56
XLTO
57
CLKO
59
MDP
3
FOK
1
XLON
64
09
PCMD
LRCK
DATA
2
LRCK
1
21
20
BCLK
BCLK
3
22
LOUT 16
ROUT 13
A
MAIN
SECTION
SECTION
(Page 19)
(Page 19)
(Page 19)
DIGITAL FILTER
D/A CONVERTER
IC104
DATA
51
XLAT
52
CLOK
53
SCOR
43
SQSO
46
SQCK
47
SENS
49
XRST
50
D OUT
39
DATA
26
MLAT
28
CLOK
27
A
MAIN
SECTION
SECTION
D OUT
CD LOUT
CLK
DATA
XRST
SCOR
SENS
SQCK
SQSO
DF LAT
XLAT
FOCUS SW
5
DRIVE
6
M
M904 (CD)
LOADING
MOTOR
MOTOR
DRIVER
DRIVER
IC351
2
10
DRIVE
LOAD-OUT
LOAD-IN
OUT-SW
IN-SW
S292
(LOAD IN)
S291
(LOAD OUT)
A
MAIN
SECTION
SECTION
DIGITAL SIGNAL PROCESSOR
IC103
XTAI
34
CKO
4
XTI
•
XTO
5 • 6
X101
22.5792 MHz
22.5792 MHz
SPOD
63
S101
(LIMIT)
• SIGNAL PATH
: CD
: Digital out
: CD
: Digital out
HCD-SD1
– 19 –
– 20 –
– MAIN SECTION –
STBY+5.6V
90
65
66
66
67
20
21
22
22
99
98
69
76
39
38
37
37
36
4
15
8
28
35
5
6
7
82
83
84
84
85
86
87
88
100
38
37
36
35
22
4
2
16
43
45
52
53
60
63
49
50
61
62
57
58
59
RECTIFIER
D921,922
CDD+5V SW
Q942
RECTIFIER
Q951,953
ST 12V OUT
Q951,952
RECT
D971
D971
SWITCH
Q103
DEFB SW
Q121
MUTE
Q141
RELAY SW
Q502,503
RELAY DRIVE
Q504
RELAY SW
Q501
FAN-DRIVE
Q551–553
SPEAKER
INPEDANCE
6-16
INPEDANCE
6-16
Ω
SYSTEM
CONTROL
CONTROL
DIGITAL
OPTICAL
OPTICAL
MUTE
Q505
MUTE
Q111
MUTE
Q112
MUTE SW
Q183
MUTE SW
Q182
MUTE SW
Q181
SWITCH
Q753
SWITCH
Q793
SWITCH
Q792
SWITCH
Q791
BUFFER
Q601
SIRCS
IC602
+
–
–
+
1
2
5
VOLUME
S691
TIMER:RED
ON:GREEN
STANDBY:RED
STANDBY:RED
SWITCH
Q752
14
15
12
13
2
1
9 10 11
51
56
5 – 50
63 62 61 60
AC IN
AC OUTLET
CN904
T991
MAIN
TRANSFORMAER
T991
SUB
TRANSFORMER
±
B
RECT
D941-944
A
±
7.5VREG
Q941, 946
RECT
D901-904
RECT
D961-964
VG SWITCH
Q966
VG SW
Q964
VF SW
Q962,963
BS
VF SWITCH
Q965
A
±
7.5VREG
ST12V
D
±
5V
M+7V
CDD+5V
10
9
8
3
+
–
16
27
25
18
3
5
7
1
1
2
PANEL SW
S699
31
81
75
56
55
51
26
25
19
18
14
13
11
10
73
72
70
64
8
SWITCH
Q943
TO IC701 VDD
1
RESET
Q751
RESET
IC951
15
2
3
1
68
FAN
L
R
J667
CN781
IC311
3
3
1
1
STBY+5.6V REG
IC901
3
1
DOUT
L-OUT
AM
ANTENNA
FM
75
Ω
TUNER
UNIT
R-OUT
R-CH
ST
TUN
MUT
MUT
DO
CL
CL
DI
CE
CE
R-CH
R-CH
SIRCS
DAT
CLK
CLK
LAT
ST
TUN
DO
DI
DI
CL
CE
MUT
MUT
TC-MUT
MD-MUT
MUTE2
SP RELAY SW
MUTE1
HPSW
I C.CLOCK
I C.DAT
HELP
KEY2
KEY1
INT
DATA
ENCODERB
ENCODERA
ENCODERA
XT1
XT2
BD POWER
PANEL SW
RESET
AC CUT
LIGHT
X2
X1
TIMER LED
ON LED
STBY LED
ON/XSRBY
FLDISP SW
SDATA
SCLOCK
SCLOCK
SLAT1
STEREO
TUNED
ST.MUTE
V/T
FL.RST
FL.LAT
FL.LAT
FL.SLK
FL.DAT
FL.DAT
RDS.CLK
IN
RDS.DAT
SCOR
CD
LOUT
SQSI
SCOR
SQCK
FSW
SENS
CD-CLK
CD-CLK
CD-DATA
DF-LAT
DSP-LAT
BD.RESET
IN SW
BD.RESET
IN SW
OUT SW
LOAD IN
LOAD IN
LOAD OUT
SQSO
SQCK
FOCUS SW
SENS
CLK
DAT
DF-LAT
XLAT
XRST
IN SW
OUT SW
LOAD IN
LOAD OUT
D OUT
ST.IDATA
ST.ODATA
ST.CLOCK
ST.LATCH
ST.LATCH
R-CH
BS
R-CH R-CH
STEREO
TUNED
MUTING
DO
CL
DI
CE
FM-DET-OUT
BUFFER
Q450
DISPLAY DRIVER
IC601
VF1
VF0
VF0
DAT
G12
CLK
CS
RST
–VG
VFL
J101
(1/2)
(1/2)
J102
(1/2)
(1/2)
SWITCH
IC102
FLUORESCENT INDICATOR TUBE
FL601
RDS DECODER
IC451
SOUND PROCESSOR
IC101(1/2)
SOUND PROCESSOR
IC101(2/2)
POWER AMP
IC801
TUNER
BS/CS
MD
CD
BASS/
TREBLE
AMP
• VOLUME
LAT
DAT
CLK
LATCH
DATA
DATA
CLOCK
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
DBFB
AMP
R-CH
R-CH
+8dB AMP
IC103
J101(2/2)
J102(2/2)
L
R
L
R
MD
OUT
TAPE
OUT
R-CH
D881
R-CH
R-CH
R-CH
DAT
HLP
CLK
R-CH
RY501
SPEAKER RELAY
RY901
STANDBY RELAY
7
6
2
3
LY
CLK
DAT
HLP
LX
SY
SX
VG
VF1
VF0
I C BUS
EXTENDER
IC791
EXTENDER
IC791
2
2
X702
32KHz
X701
5MHz
STBY+5.6V
D752
D751
C759 BACK UP
+
D601-604
D605
t
u
D606
A
CD SECTION
(Page 18)
PHONES
MASTER CONTROL
IC701
KEY BOARD
SWITCH
S621-625,631-634
2
TMB11
D+5VREG
IC921
M+7VREG
IC922
D601
D602
D603 D604
)/±
0/≠
π
fl
MD
IN
L
R
IN
L
R
IN
L
R
CS/BS
TAPE
UG REG
Q961
• R ch is same as L ch
• SIGNAL PATH
: FM
:BS/CS
: PB
: REC
: CD
: Digital out
: TAPE
• SIGNAL PATH
: FM
:BS/CS
: PB
: REC
: CD
: Digital out
: TAPE
20
21
X601
4.3 MHz
14
13
– 21 –
THIS NOTE IS COMMON FOR PRINTED WIR-
ING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
ING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• 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.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
For printed wiring boards.
Note:
•
•
X
: parts extracted from the component side
•
p
: parts mounted on the conductor side.
•
®
: Through hole.
•
¢
: internal component.
•
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
S
: B+ Line.
•
T
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground in
service mode.
• 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
E
: PB (MD)
m
: PB (TAPE)
n
: REC
J
: CD
c
: digital out
• Abbreviation
SP
: Singapore model.
HK
: Hong Kong model.
• Indication of transistor
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)
parts face are indicated.
C
These are omitted
E
B
Q
C
These are omitted
E
B
Note:
The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
– 22 –
WAVEFORMS
– BD SECTION –
– BD SECTION –
– MAIN SECTION –
1
IC701
!¡
(XI)
1
2
3
IC101
#¡
(RFO) (PLAY Mode)
500 mV/DIV, 500 ns/DIV
IC101
$¢
(TEI) (PLAY Mode)
50 mV/DIV, 1
µ
s/DIV
4
5
6
7
IC103
3
(MDP) (PLAY Mode)
IC103
@•
(RFCK)
IC103
@™
(BCLK)
IC103
@∞
(XPCK)
Approx.
100 mVp-p
100 mVp-p
IC101
2
(FEI) (PLAY Mode)
50 mV/DIV, 1
µ
s/DIV
2.6 Vp-p
7.6
µ
s
5.1 Vp-p
136
µ
s
5 Vp-p
474 ns
5.1 Vp-p
22.8
µ
s
8
IC103
@º
(LRCK)
9
IC104
6
(XTO)
4.6 Vp-p
16.9344 MHz
2
IC701
!¢
(XI)
2.6 Vp-p
32 kHz
4.3 Vp-p
5 MHz
1.3
±
0.3 Vp-p
Approx.
150 mVp-p
150 mVp-p
5.3 Vp-p
14 ns
Click on the first or last page to see other CMT-SD1 / CMT-SD3 / HCD-SD1 service manuals if exist.