Sony HCD-MD1DX / HCD-MD1EX (serv.man2) Service Manual ▷ View online
HCD-MD1EX
– 33 –
– 34 –
SECTION 7
DIAGRAMS
7-1.
BLOCK DIAGRAM – CD Section –
+
–
–
OPTICAL PICK-UP
(KSS-213B/K-N)
(KSS-213B/K-N)
DETECTOR
A
D
B
C
I-V AMP
A
D
C
35
PD1
36
PD2
F
E
F
E
FOCUS BIAS
37
4
5
1
2
10
6
FE BIAS
RF AMP
RF AMP
RF AMP,
FOCUS/TRACKING/SLED SERVO
IC101
LASER DIODE
LD
38
F
05
39
E
PD
AUTOMATIC
POWER CONTROL
Q101, 102
33
LD
LD
AMP
PD
AMP
34
PD
2-AXIS
DEVICE
(FOCUS)
(TRACKING)
TRK+
TRK–
FCS+
FCS–
18
OUT3B
17
OUT3A
11
OUT2B
12
OUT2A
TRACKING
COIL DRIVE
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
IC102 (1/2)
IC102 (2/2)
FOCUS
COIL DRIVE
SLED MOTOR
DRIVE
SPINDLE
MOTOR DRIVE
M
27
OUT4A
26
OUT4B
M
1
OUT1A
2
OUT1B
M102
(SLED)
M101
(SPINDLE)
M
M103
(CD LID OPEN/CLOSE)
FOCUS
ERROR
AMP
1
FEO
RV101
FOCUS GAIN
RV102
TRACKING
GAIN
RV103
2
FEI
FOCUS PHASE
COMPENSATION
6
FEO
4
FGD
FOCUS
SWITCH
Q103
TRACKING
ERROR
AMP
I-V
AMP
42
TEO
44
TEI
TRACKING PHASE
COMPENSATION
13
14
TAO
SLED
AMP
16
SLO
SL+
RF
SUMMING
AMP
31
30
RFO
RFI
MIRR
AMP
DEFECT
AMP
FOCUS OK
COMPARATOR
FOCUS OK
AMP
25
FOK
TTL
IIL
I
2
L DATA REGISTER
TTL
IIL
IIL
TTL
21
19
20
22
DATA
CLK
XLT
XRST
56
59
57
DATO
CLKO
XLTO
1
FOK
SENS
C.OUT
24
23
54
55
SEIN
CNIN
50 XRST
7 12 9
8
FILTER
14
RF
ASYMMETRY
CORRECTION
CORRECTION
DIGITAL PLL
EFM
DEMODULATOR
FILO
CLTV
PCO
FILI
CLOCK
GENERATOR
34
XTAI
INTERNAL BUS
D/A
INTER-
FACE
22
21
20
CD-L
X101
16.9344MHz
A
PCMD
BCLK
LRCK
16k
RAM
ERROR
CORRECTOR
DIGITAL
OUT
SERVO AUTO
SEQUENCER
DIGITAL
CLV
SUB-CODE
PROCESSOR
CPU
INTERFACE
3
2
4
MON
MDP
MDS
46 47 49 51 53 52 43 44
63
64
XLON
SQSO
SQCK
SENS
DATA
CLOK
XLAT
SCOR
SBSO
46 48 53 50 49 51 22
27
41
WFCK
GFS
39
DOUT
52
PRGL (DF-LAT)
DIGITAL SIGNAL
PROCESSOR, CLV SERVO
IC103
2
DATA
4
CKO
R-CH
5
XTI
6
XTO
16
LOUT
13
ROUT
3
BCLK
1
26 27 28
LRCK
DATA
CLOK
MLAT
DATA
CLK
LAT
DATA
CLK
LAT
DIGITAL FILTER,
D/A CONVERTER,
LOW-PASS FILTER
IC104
IN2
IN1
OUT2
OUT1
MASTER CONTROLLER
(CD MECHANISM CONTROL)
IC707 (1/3)
60 BD-REST
59 FOCUS-SW
55
IN-SW
58
57
6
5
10
2
LOAD-IN
LOAD-OUT
S101
(LIMIT)
ON: When the optical pick-up is
inner position.
56
OUT-SW
CD LID OPEN/CLOSE
MOTOR DRIVE
IC702
S916
(CD LID OPEN/CLOSE DETECT)
S104
(DISC DETECT)
(ON: CD lid is closed.)
B
19
IN3A
9
14
16
7
IN2B
OP+
OPOUT
25
IN4A
4
IN1B
+
(Page 37)
DOUT
B
(Page 36)
• SIGNAL PATH
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)
SUBQ
SQCLK
SENSE
DATA
CLOCK
XLT
SCOR
XRST
SPOD
DISC IN
DISC OUT
HCD-MD1EX
F
C
B
D
A
E
I
J
J
I
B
A
C
D
D
E
F
DETECTOR
1
2
J
I
4
5
6
7
A
B
C
D
D
8
9
E
F
LD
PD
LASER DIODE
ILCC
PD
OPTICAL PICK-UP
(KMS-260A/J1N)
AUTOMATIC
POWER
CONTROL
Q162, 163
LASER ON
SWITCH
Q101
OVER WRITE
HEAD DRIVE
IC181, Q181, 182
HF MODULE
SWITCH
IC103, Q102 – 104
WAVE SHAPER
IC401
11
10
APC
PD
LD/PD
AMP
APCREF
I-V
AMP
I-V
AMP
AT
AMP
B.P.F.
29
30
WBL
ADFM
ADIN
32
ADFG
ABCD
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
35
34
26
28
ABCD
FE
TE
SE
V-I
CONVERTER
20
F0CNT
WBL
3T
EQ
SERIAL/
PARALLEL
CONVERTER,
DECODER
COMMAND
17
16
18
SWDT
SCLK
XLAT
RF AMP
B.P.F.
46
RFO
40
RF AGC
& EQ
AGCI
EQ
38
RF
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
TEMP
48 47
MORFO
MORFI
3T
PEAK &
BOTTOM
WBL
33
AUX
62
37
PEAK
36
BOTM
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC152
6
8
OUT4F
OUT4R
M
M901
(SPINDLE)
27
25
OUT2F
OUT2R
M
M902
(SLED)
21
23
OUT1F
OUT1R
12
10
OUT3F
OUT3R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
3
4
IN4R
IN4F
29
30
IN2F
IN2R
19
18
IN1F
IN1R
14
15
IN3F
IN3R
MOD
SPFD
SPRD
92
91
88
89
86
85
APCREF
SFDR
SRDR
FFDR
FRDR
TFDR
TRDR
16
PSB
PWM GENERATOR
AUTOMATIC
POWER
CONTROL
DIGITAL
SERVO
SIGNAL
PROCESS
74
65
64
66
75
ANALOG MUX
A/D CONVERTER
AUTO
SEQUENCER
FROM CPU
INTERFACE
DIGITAL SERVO
SIGNAL PROCESSOR
IC121 (2/2)
RECP
+3.3V
AUX2
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
81
80
82
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
PLL
FILTER
59
58
61
60
FILI
PCO
CLTV
FILO
100
EFMO
23
ADDT
IC121 (1/2)
15
TX
51
52
55
ASYO
ASYI
RFI
HR901
OVER WRITE HEAD
ADIP
DEMODULATOR/
DECODER
78
ADFG
SPINDLE
SERVO
F0CNT
94 93
SPFD
SPRD
SUBCODE
PROCESSOR
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
22
21
DIN
DOUT
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER, 2M BIT D-RAM
IC121 (1/2)
DADT
DADT, BCK, LRCK, FS256
INTERNAL BUS
D-RAM
CLOCK
GENERATOR
25
26
27
XBCK
LRCK
FS256
OSCI
X101
22.5792MHz
OSCO
CPU
INTERFACE
MONITOR
CONTROL
CONTROL
10
XRST
12
DQSY
11
SQSY
14
XINT
9 8
5 6 7
SENS
SRDT
SWDT
SCLK
XLAT
1
2
3
4
MNT0
MNT1
MNT2
MNT3
FOK
SHOCK
XBUSY
SLOCK
SWDT
SCLK
XLAT
40
35 37 38
48 47 46 45
MNT0
MNT1
MNT2
MNT3
DIG-RST
SQSY
DQSY
LDON
WRPWR
XINT
SENS
SRDT
05
47, 46, 48, 49
1, 2, 18, 19
DQ1 – DQ4
32 – 29, 34 – 38, 43
6 – 9, 11 – 15, 5
A0 – A9
D0 – D3
A00 – A09
41
16
45
3
44
4
42
17
XOE
XWE
XRAS
XCAS
XOE
XWE
XRAS
XCAS
D-RAM
IC124
MD MECHANISM CONTROLLER
IC316 (1/2)
73
13
63
MOD
50
79
83
12
HF MODULE
16
17
D
(Page 37)
C
(Page 37)
ADDT
B
(Page 34)
DOUT
5 23 41 36
20
49
44
SCTX 42
•
SIGNAL PATH
: MD PLAY
: MD REC
: CD PLAY (DIGITAL OUT)
: CD PLAY (DIGITAL OUT)
COMPA-
RATOR
EFM/ACIRC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
24
REFLECT
54
REC-P
PROTECT
S683
(PROTECT)
S685
(CHUCKING IN)
S686
(PACK OUT)
60
55
S682
(REFLECT)
59
61
LIMIT-IN
PB-P
S681
(LIMIT IN)
58
CHUCK-IN
57
PACK-OUT
S687
(PB POSITION)
S688
(REC POSITION)
51
52
LDIN
LDOUT
9
10
4
2
6
M
IN1
IN2
OUT1 OUT2
VC1
7
VREF
LOADING
MOTOR DRIVE
IC153
REFERENCE
VOLTAGE SWITCH
Q350
M903
(LOADING)
LD-LOW
53
– 35 –
– 36 –
7-2.
BLOCK DIAGRAM – MD Section –
HCD-MD1EX
7-3.
BLOCK DIAGRAM – MAIN Section –
– 37 –
– 38 –
DADT,BCK,
LRCK, FS256
LRCK, FS256
ADDT
LRCK
FS256
XBCK
DADT
PDAD
DEMO
AD-EN
DA-EN
EMP
AD-EN
DA-EN
EMP
AD-EN
DA-EN
EMP
SDA
REC OUT
MUTING
Q702
MD MECHANISM
CONTROLLER
IC316 (2/2)
EEPROM
IC171
MASTER CONTROLLER
(SYSTEM CONTROL)
IC707 (2/3)
12
14
SCLK
LRCK
MCLK
13
SDTI
SDTO
37
CD
36
30
28
29
MD
TONE
OUT
VOL
OUT
VOL
IN
IN
27
BB
IN
IN
BUFFER
AMP
38
TC
39
ST
A/D, D/A CONVERTER
IC201
26
AOUTL
27
AOUTR
AINL
AINR
R-CH
R-CH
(Page 36)
(Page 36)
C
D
CD-L
(Page 34)
A
PWR-DWN
(Page 40)
F
RELAY
(Page 40)
E
15
24 23 16
11
SERIAL
I/O
INTERFACE
CLOCK
DIVIDER
×
8
INTER-
POLATOR
∆Σ
MODULATOR &
LOW-PASS
FILTER
MODE
CONTROL
DECIMATION
FILTER
∆Σ
MODULATOR
5
3
PDDA
•
SIGNAL PATH
: MD PLAY
: CD PLAY
: MD REC
RDS SIGNAL
BUFFER
Q713
LEVEL
SHIFT
IC704 (1/3)
RESET SIGNAL
GENERATOR
IC706
POWER DOWN
DETECT
Q504, 505
POWER OFF
MUTE DRIVER
Q711, 712
DC DETECT
Q510, 511
RESET
SWITCH
Q710
LEVEL
SHIFT
IC704 (2/3)
LEVEL SHIFT
IC704 (3/3)
R-CH
R-CH
R-CH
D521
D710
POWER SWITCH
Q512
05
FM/AM TUNER UNIT
RDS DECODER
IC710
AEP, UK models
AEP, UK models
Except AEP, UK models
57 kHz
BAND-PASS
FILTER
CLOCKED
COMPARATOR
CONTANS LOOP
VARIABLE &
FIXED DIVIDER
CLOCK
REGENERATION
& SYNC
OSCILLATOR
& CLOCK
DIFFERENTIAL
DECODER
BIPHASE
SYMBOL
SYMBOL
DECODER
X703
4.332MHz
X701
32kHz
X302
7MHz
2
31
16
14
13
L-OUT
FM ANT
FM ANT
AM ANT
AM ANT
R-OUT
MUTE
STEREO
FM-DET
OUT
TUNED
DI
DO
CLK
CE
ANTENNA
FM
FM 75
Ω
COAXIAL
AM LOOP
ANTENNA
20
RDS/CLK
21
37
RDS/DATA
RXD
33
39
MD-CLK
TXD
26
79
SCL
BACK UP
+3.3V
Q707
SDA
SCL
80
XOUT 13
XIN 15
RESET SIGNAL
GENERATOR
IC708
D+5V
12
19
5
6
41
16
CTS
AU-BUS IN
14
XT1
17
AU-BUS OUT
13
XT2
X702
5MHz
11
X1
10
X2
74
DBFB
76
MUTE
100
BACKUP
34
35
MD-REST
78
DATA
79
CLOCK
80
LAT
77
ATT/6DB
75
RECOUT-MUTE
MEC-BUSY
CLK
34
31
RTS
MAS-BUSY
32
38
TXD
RXD
87
CE
86
CLOCK
84
DATA-IN
85
DATA-OUT
83
TUNED
82
STEREO
88
ST-MUTE
4
8
7
MUX
CIN
RDDA
OSCI
OSCO
RDCL
SC
OUT
R-CH
MUTING
CONTROL SWITCH
Q705
ATTENUATOR
CONTROL SWITCH
Q706
J501
J502
R
TAPE
IN
TAPE
OUT
L
R-CH
ATTENUATOR
(–6dB)
Q704
R-CH
R-CH
R
L
TM101
J101
R
SPEAKER
IMPEDANCE
USE 4 – 16
Ω
PHONES
L
: FM/AM
: TAPE PLAY
: TAPE REC
FEED BACK
SWITCH
Q709
MUTING CONTROL
SWITCH
Q516
STANDBY
SWITCH
Q514, 520
FAN MOTOR
DRIVE
Q518, 519
VOLUME
CONTROL
CIRCUIT
CPU INTERFACE
BASS BOOST
CONTROL
CIRCUIT
INPUT
SELECT
SWITCH
BB
OUT
INPUT SELECT SWITCH,
TONE CONTROL, ELECTRICAL VOLUME
IC705
POWER AMP
IC506
21
35
22 20
25 24 7
DATA
REC
OUT
CLOCK
LATCH
26
BB-SW
6
MUTE-A
11
MUTE-B
9
STBY-A
14
STBY-B
DATA
CLK
LAT
DATA
CLK
LAT
25
8
3
D522
D523
D707
SYSTEM-RST
PWR-DWN
+
R-CH
M501
(FAN)
(FAN)
R-CH
+
+
POWER-ON
15
RESET
+
–
+
–
M
TONE
CONTROL
CIRCUIT
HCD-MD1EX
7-4.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
– 39 –
– 40 –
05
LED DRIVE
Q904
GRID DRIVE
Q902
GRID DRIVE
Q901
(AMBER)
(GREEN)
D907
MD
(
LED DRIVE
Q903
D902
(FOR ILLUMINATION)
MD
P
(AMBER)
(GREEN)
CD
(
CD
P
LED DRIVE
Q905
D905
REC
LED DRIVE
Q906
LED DRIVE
Q908
73
72
REMOTE CONTROL
RECEIVER
IC902
OSC
11
90
DATA
CLOCK
LED-MD PAUSE
68
LED-MD REC
70
LED-CD PLAY
LED DRIVE
Q909
D906
(MD DISC SLOT INDICATOR)
LED DRIVE
Q907
69
LED-CD PAUSE
67
LED-MD DISC
61
CD-POWER
LED-MD PLAY
CS
–27V
REGULATOR
Q503
+5V
REGULATOR
IC501
+3.3V
REGULATOR
IC192
B+ SWITCH
Q507, 508
–27V
FL DRIVER (IC901) B–
AC IN
AC
(TO FL901)
VF
VF
T901
POWER
TRANSFORMER
RY501
+3.3V
MD SERVO SECTION B+
+5V
MASTER CONTROLLER (IC707) B+
+5V
RDS DECODER (IC710) B+
D+5V
SYS +3.3V
MD SERVO SECTION B+
BACK UP +3.3V
MD MECHANISM
CONTROLLER (IC316) B+
BA701
LITHIUM
BATTERY
RECT
D503 – 505
D507
D709
D717
D716
D506
ST +12V
FM/AM TUNER UNIT B+
A+7.5V
M62428AFP (IC705) B+
POWER AMP
(IC506)
B+
B–
FAN MOTOR
(M501) B–
RECT
D510 – 513
+12V
REGULATOR
IC505
+7.5V
REGULATOR
Q509
AD/DA +5V
A/D, D/A CONVERTER (IC201) B+
MOTOR +7V
CD MOTOR/COIL DRIVER (IC102),
CD LOADING MOTOR DRIVER (IC702),
MD LOADING MOTOR DRIVER (IC153) B+
+7V
REGULATOR
IC504
+5.7V
REGULATOR
IC503
VOLTAGE
SELECTOR
S101
+3.3V
REGULATOR
IC502
D713
D719
D718
D714
D715
RECT
D509
D509
RECT
D524, 525
RELAY DRIVE
Q506
10 – 1, 64 – 62
59 – 33, 31 – 24
DIG2 – DIG14
SEG0 – SEG34
25 – 27
KEY0 – KEY2
FLUORESCENT
INDICATOR TUBE
FL901
FL/LED DRIVER
IC901
CD +5V
CD SERVO SECTION B+
MOTOR +5V
MD MOTOR/COIL DRIVER (IC152),
OVER WRITE HEAD DRIVE CIRCUIT B+
14
SDATA
15 SCK
16
42
43
44
CS
RESET
13
45
RST
SIRCS
S901 – 915
61
DIG1
17
P1
DIG15
21
XIN
C910, R906
20
XOUT
MASTER CONTROLLER
(SYSTEM CONTROL)
IC707 (3/3)
D903
PWR-DWN
(Page 38)
F
RELAY
(Page 38)
E
Except Singapore,
Hong Kong models
Singapore, Hong Kong models
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