Sony CMT-DC1K / HCD-DC1K Service Manual ▷ View online
HCD-DC1K
15
15
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – CD SERVO Section –
I-V AMP
DETECTOR
(TRACKING)
(FOCUS)
2-AXIS DEVICE
LASER DIODE
A
B
C
D
F
E
6
7
8
10
11
4
2
1
5
10
6
7
D+5V
LD
PD
VCC
LD
PD
AUTOMATIC
POWER
CONTROL
Q101
5
RF
SUMMING
AMP
RF EQ
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
FI-V AMP
EI-V AMP
APC LD
AMP
APC PD
AMP
4
PD
16
14
13
22
21
RFO
FE
TE
LD ON
HOLD SW
LD
3
ASYMMETRY
CORRECTION
CORRECTION
EFM
DEMODULATOR
DIGITAL
PLL
51
49
48
RFAC
ASYI
ASYO
54 56 53 55
FILO
PCO
CLTV
FILI
ERROR
CORRECTOR
16k
RAM
INTERNAL BUS
D/A
INTERFACE
SERIAL
IN
INTERFACE
DIGITAL
FILTER
NOISE SHAPER
PWM
&
INTEGRATOR
DIGITAL
OUT
• SIGNAL PATH
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL OUT)
60
70
77
D OUT
AOUT1
AOUT2
AIN1
AIN2
51
51
71
76
72
75
LOUT1
LOUT2
BUFFER
CD L IN
R-CH
SUBCODE
PROCESSOR
SERVO AUTO
SEQUENCER
CPU INTERFACE
2
5
7
6
20
8
1
14
SQCK
DATA
CLOK
XLAT
SCOR
SENS
SQSO
XLON
TO
MIRR/DFCT/FOK DETECTOR
IC101 (2/2)
9
27
SCLK
SSTP
26
MDP
S101
(LIMIT)
TE
FE
RFDC
SE
41 39 43
40
A/D
CONVERTER
FOCUS/TRACKING/SLED
PWM GENERATOR
FOCUS/TRACKING/SLED
SERVO DSP
MIRR/DFCT/FOK
DETECTOR
23 22
24
DFCT
MIRR
FOK
TO
SERVO
INTERFACE
IC101 (1/2)
IC101 (1/2)
DIGITAL SERVO
PROCESSOR
IC101 (2/2)
14
13
12
11
17
18
15
16
CH1OUTF
CH1OUTR
CH2OUTF
CH2OUTR
CH3OUTF
CH3OUTR
CH4OUTF
CH4OUTR
CH1FIN
CH1RIN
CH2 FIN
CH2RIN
CH3FIN
CH3RIN
2
3
5
6
24
23
MOTOR
DRIVE
MOTOR
DRIVE
COIL
DRIVE
MOTOR
DRIVE
COIL
DRIVE
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
M
M
(SLED)
(SPINDLE)
CH4SIN
25
33
32
31
30
28
29
FRDR
FFDR
SFDR
SRDR
TRDR
TFDR
MUTE
20
MUTE
Q803
Q804
Q806
Q802
Q808
Q807
Q805
SERVO
INTERFACE
DIGITAL
CLV
3
XRST
67
66
XTAL
XTAO
X101
16.9344MHz
TIMING
LOGIC
CLOCK
GENERATOR
OPTICAL
TRANSCEIVER
IC321
VDD
OPTICAL
DIGITAL OUT (CD)
DATA
CLK
LATCH
SENS
SQSO
SQCK
XRST
HOLD
C SCOR
A
(Page 16)
RF AMP
FOCUS/TRACKING ERROR AMP
IC103
FILTER
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC101 (1/2)
OPTICAL
PICK-UP BLOCK
(KSS-213D)
M
M
Q802 – 808
CD ON SWITCH
• R-CH : R-ch is omitted due to same as L-ch.
HCD-DC1K
16
16
6-2.
BLOCK DIAGRAM – MAIN Section –
TU1
TUNER PACK
FM75
Ω
ANENNA
L
R
AM
1
2
4
9
Q810
8
Q809
10
Q811
7
Q813
Q809 – 811, 813
TUNER ON/OFF
SWITCH
31
30
17
3
LINE
OUT2
VOL2
OUT2
TREBLE
LOGIC
MIDDLE
BASS
INPUT SELECT SWITCH,
MIX, TONE CONTROL,
ELECTRICAL VOLUME
ELECTRICAL VOLUME
IC323
12
17
14
15
88
28
5
8
19
18
25
AUDIO IN
MD (VIDEO)
SJ302
HRPE901
(RECORD/PLAYBACK/ERASE)
R-CH
(ERASE)
R-CH
L-CH
1
3
2
REC/PB SWITCHING
IC402
REC/PB AMP, EQ AMP
IC401
(REC)
(PB)
(SW)
R-CH
R-CH
4
23
24
20
R-CH
R-CH
ALC
16
14
REC OUT L
PB L
REC
IN L
IN L
B+
(+8V)
BIAS
OSC
T401
REC BIAS SWITCH
Q402, 403
BIAS OSC
Q401
BIAS
TRAP
TRAP
T403
CD L IN
DATA
CLK
DATA
CLK
LATCH
SENS
SENS
SQSO
SQCK
SQCK
XRST
HOLD
C SCOR
HOLD
C SCOR
DATA
CLK
SDA
SCK
95
11 86 14 100
Q801
LED DRIVE
Q854
A
(Page 15)
MUTING
Q100
R-CH
B+ (+8V)
MUTING DRIVE
Q330
4
10
9
14
+
+
–
–
SJ301
L
R
SPEAKER
IMPEADANCE
USE 6 – 16
Ω
R-CH
R-CH
J301
HEADPHONE AMP
IC324
MUTING
Q815, 817
MUTING DRIVE
Q312, 313
MOS GAIN &
LEVEL SHIFT
LEVEL SHIFT
ING STAGE
MOS
OUTPUT
STAGE
SHORT
CIRCUIT
PROTECTION
D853
IN+
IN–
STANDBY/MUTE
MUTE
STBY
B
(Page 17)
REG CON
D
(Page 17)
REC/PB
C
(Page 17)
FM ON
POWER AMP
IC201
R-CH
97
22
24
93
92
X802
32.768KHz
32.768KHz
39
4
40
X801
4.19MHz
CAPSTAN/REEL
MOTOR DRIVE
Q601, 602
10
1
6
32
13
15
TRIGGER
PLUNGER DRIVE
Q603, 604
M
M
TAPE END DETECT
SENSOR
(TAPE DECK BLOCK)
6
5
10
2
33
M901
(LOADING)
M
M
LOADING
MOTOR DRIVE
IC320
• SIGNAL PATH
: TUNER
: CD PLAY (ANALOG OUT)
: CD PLAY (OPTICAL OUT)
: TAPE (PLAY)
: TAPE (RECORD)
: MD
OUT
FM ANT
ANT GND
AM ANT
ANT GND
L-CH
R-CH
R-CH
TUNED
DI
CK
CE
DO
R-CH
B IN L
A IN L
6
2
8
10
INPUT2
INPUT1
OUT2
OUT1
SYSTEM CONTROLLER
IC801 (1/2)
C2
A2
D2
E2
C-SQSO/
RDS-DATA
RDS-DATA
TUNED
C-DATA/TU-DATA
C-CLK/TU-CLK
C-LATCH/TU-CE
SENS2/TU-COUNT
TU-ON
REC/PB
C-SQCK
C-XRST/FM-ON
HOLD
C-SCOR
AU-MUTE
AMP-MUTE
H/P CHECK
TEX
TX
EXTAL1
MOT-CON
XTAL1
SOL-CON
TAPE-END
T-MODE
TC-SW
TRAY-OPEN
TRAY-CLOSE
TRAY-SW
PHONES
SI
DISC TRAY
OPEN/CLOSE DETECT
• R-CH : R-ch is omitted due to same as L-ch.
MUTING
Q414
87 REC-MUTE
96 L-MUTE
R-CH
R-CH
LINE
AMP
AMP
MUTING
Q407
TUNER
/BAND
HCD-DC1K
17
17
6-3.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
ROTARY
ENCODER
RV801
VOLUME
RV801
JOG A
JOG B
21
20
36
–
34
KEY1
–
3
S801 – 816
50
–
53
COM0
–
3
LIQUID CRYSTAL
DISPLAY
LCD801
54
–
85
SEG0
–
31
REMOCON
3
REMOTE CONTROL
RECEIVER
IC802
LED DRIVE
Q855
DSG
D854
CD SYNC
D856
LED DRIVE
Q856
CD SYNC
26
27
89
38
99
VDD
RESET
WP
RESET SIGNAL
GENERATOR
IC803
+5V
(ROTARY ENCODER)
D812
D811
B+ SWITCH
Q606, 607
Q605
B+ SWITCH
Q608, 609
CASSETTE HOLDER
BACK LIGHT
D802
D
REC/PB
(Page 16)
SYSTEM CONTROLLER
IC801 (2/2)
LED DRIVE
Q853
Y
D855
TC ON 98
94
CD ON
LED DRIVE
Q852
u
D852
CD +5V
REGULATOR
Q306
B+
(CD +5V)
+10V
REGULATOR
Q305
CD +8V
REGULATOR
IC306
B+
(CD +8V)
B+
(FM +7.5V)
+9V
REGULATOR
Q301
FM +7.5V
REGULATOR
Q302
B+
(+9.5V)
B+
(COM +12V)
7
REG CON
(Page 16)
FM ON
C
RECT
D906 – 909
RECT
D902 – 905
COM +8V
REGULATOR
IC304
COM +12V
REGULATOR
Q355
B+
(COM +8V)
LED B+
SWITCH
Q661, 662
LED B+
(+8V)
B+
(+14V)
B –
( – 14V)
B+
(+22.5V)
B –
( – 22.5V)
POWER AMP
(IC101, 201)
COM – 8V
REGULATOR
IC302
B –
(COM – 8V)
(Page 16)
REG CON
C
B
D917
D310
B+ SWITCH
Q608, 609
B+ SWITCH
Q901
RECT
D910 – 913
RELAY +5V
REGULATOR
IC301
WAKE UP
SWITCH
Q890, 891
D801
D S G
D866 – 869
(LCD BACK LIGHT)
37
SIMUKE/TEST
B+ (+5V)
REGULATOR
CONTROL
SWITCH
Q303, 304
REGULATOR
CONTROL
SWITCH
Q307, 308
B+
(+5V, RELAY +5V)
(TAPE)
(CD)
T902
MAIN
TRANSFORMER
RELAY
DRIVE
Q902
RY901
AC IN
T901
SUB
TRANSFORMER
F901
HCD-DC1K
18
18
6-4.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
W
: indicates side identified with part number.
•
: Pattern from the side which enables seeing.
• Indication of transistor.
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• 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
: TUNER
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: TAPE REC
J
: CD PLAY (ANALOG)
c
: CD PLAY (DIGITAL)
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
• Circuit Boards Location
TC board
LCD board
I/O SWITCH board
SWITCH board
HEADPHONE board
MAIN board
TUNER UNIT
POWER board
CD board
LOADING board
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