Sony HCD-ZX50MD Service Manual ▷ View online
53
53
• WAVEFORMS
– BD (CD) SECTION –
– MAIN SECTION –
– MD DIGITAL SECTION –
– BD (MD) SECTION –
1
IC101
ek
(RF)
2
IC101
ef
(FE)
(Play mode)
3
IC101
wh
(TE)
(Play mode)
4
IC151
o;
(FS4)
1.3Vp-p
0.2Vp-p
1.6Vp-p
3.5Vp-p
176.4kHz
1
IC101
t;
RFAC
2
IC101
ra
TE
3
IC101
el
FE
4
IC101
wg
MDP
5
IC101
us
XTAO
1.3Vp-p
2.6Vp-p
7.5
µ
sec
0.2Vp-p
1.6Vp-p
3.0Vp-p
33.8688MHz
1
IC1001
w;
XOUT
2.7Vp-p
10.0MHz
– PANEL SECTION –
1
IC701
oa
4.4Vp-p
12.5MHz
1
IC401
qa
3.0Vp-p
32.768kHz
2.9Vp-p
2
IC401
qd
16MHz
HCD-ZX50MD
54
54
7-2. BLOCK DIAGRAMS
– CD SECTION –
E
F
A
B
C
D
DRIVE
Q101
LD
RF EQ
AMP
SUMMING
AMP
RF
ERROR
AMP
FOCUS
ERROR
AMP
TRACKING
APC LD
AMP
VC
BUFFER
VC
REF
RF AMP
IC103
DIGITAL SERVO
DIGITAL SIGNAL PRCESSOR
IC101
IC551
LASER
DIODE
DETECTOR
OPTICAL PICK-UP BLOCK
(KSM-213DHAP/Z-NP)
A
C
D
B
E
F
LD
POWER
PD
HOLD SW
LD
PD
LD
A
C
D
B
E
F
TE
FE
RFO
RFI
ASYMMETRY
CORRECTION
AUTO
SEQUENCER
SERVO
INTEG-
RATOR
DIGITAL
PLL
EFM
DEMODULATOR
REGISTER
SUB CODE
PROCESSOR
ERROR
CORRECTOR
DATA BUS
32K
RAM
D/A
INTERFACE
DIGITAL
OPTICAL
IN
OUT
SERVO
INTERFACE
DIGITAL
CLV
LD ON
OP AMP
ANALOG SW
A/D
CONVERTER
PWM
GENERATOR
TRACKING
PWM
GENERATOR
FOCUS
PWM
GENERATOR
SLED
PWM
GENERATOR
VC
TRACKING
SERVO
FOCUS
SERVO
SLED
SERVO
SERVO DSP
TFDR
TRDR
FFDR
FRDR
SFDR
SRDR
MDP
DETECTOR
MIRR
DFCT
FOK
D OUT
PCMD
SSPT
RFDC
FE
TE
CE
SE
CPU
INTERFACE
SENS
DATA
XLAT
CLOK
CLOCK
GENERATOR
XTAI
XTAO
XTSL
M
M
TRACKING
COIL
FOCUS
COIL
SLED
MOTOR
M102
SPINDLE
MOTOR
M101
T+
T
F+
F
SD+
SD
SP+
SP
FOCUS/TRACKING COIL DRIVE
SPINDLE/SLED MOTOR DRIVE
IC102
VC
TFDR
TRDR
FFDR
FRDR
SFDR
SRDR
XRST
STBY2
09
S101
LIMIT SW
SQCK
A+5V
XRST
SENS
CTRL
OPTSEL
DATA
SCLK
SCLK
XLT
CLK
SCOR
SQSO
SCOR
SUBQ
LPH
XRST
LD ON
LRCK
BCLK
D IN
MUTE
C2PO
D+5V
MD2
RF AC
ASYI
ASYO
CONTROL SIGNAL
BLOCK
SERVO
BLOCK
VCC
VC
MAIN
SECTION
MD
SECTION
• SIGNAL PATH
: CD (ANALOG)
: CD/MD (DIGITAL)
(Page 57)
A
(Page 55)
E
X101
33.8688MHz
OSC
5
6
4
1
5
2
10
7
8
6
11
10
3
4
26
27
24
23
20
STBY1
9
22
21
12
13
17
14
16
50
48
49
43
38
41
39
40
42
32
31
34
33
30
29
25
64
63
67
66
14
65
71
72
3
7
69
15
6
5
4
77
76
8
26
2
9
12
11
14
13
15
16
18
17
3
2
6
5
INTEG-
RATOR
1
6
D/O
2,12,13
IC503
CD/OPT-IN
DATA SELECT
R500
US
HCD-ZX50MD
55
55
– MD SECTION –
F
C
B
D
A
E
I
J
J
I
B
A
C
D
E
F
DETECTOR
J
I
A
B
C
D
D
E
F
LD
PD
LASER DIODE
ILCC
PD
OPTICAL PICK-UP
(KMS-260B/J1N)
AUTOMATIC
POWER CONTROL
Q121, 122
APC
PD
APCREF
AT
AMP
B.P.F.
WBL
ADFM
ADIN
ADFG
ABCD
AMP
ABCD
FE
TE
SE
F0CNT
WBL
3T
EQ
COMMAND
SWDT
SCLK
XLAT
RFO
RF AGC
& EQ
AGCI
EQ
RF
RF AMP,
FOCUS/TRACKING ERROR AMP
IC101
TEMP
MORFO
MORFI
3T
WBL
AUX
PEAK
BOTM
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC141
OUT4F
OUT4R
M101
(SPINDLE)
OUT2F
OUT2R
M102
(SLED)
OUT1F
OUT1R
OUT3F
OUT3R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
IN4R
IN4F
IN2F
IN2R
IN1F
IN1R
IN3F
IN3R
MOD
SPFD
SPRD
APCREF
SFDR
SRDR
FFDR
FRDR
TFDR
TRDR
PSB
PWM GENERATOR
FROM CPU
INTERFACE
DIGITAL SERVO
SIGNAL PROCESSOR
IC151 (2/2)
WRPWR
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
FILI
PCO
CLTV
FILO
EFMO
ADDT
DATAI
IC151 (1/2)
TX
ASYO
ASYI
RFI
SCTX
HR901
OVER WRITE HEAD
ADFG
F0CNT
SPFD
SPRD
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
DIN0
DOUT
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
IC151 (1/2)
INTERNAL BUS
DADT
XBCK
LRCK
FS256
OSCI
OSCO
DQSY
SQSY
XINT
SENS
SRDT
SWDT
SCLK
XLAT
MNT0
MNT1
MNT2
MNT3
SWDT
SCLK
XLAT
MNT1 (SHOCK)
MNT2 (XBUSY)
DIG-RST
SQSY
DQSY
LDON
WR-PWR
MOD
XINT
SENS
SRDT
LDIN
LDOUT
09
RIN
FIN
OUT1
OUT2
VREF
LOADING
MOTOR DRIVE
IC1004
M103
(LOADING)
DQ1
–
DQ4
A0
–
A9
D0
–
D3
A00
–
A09
XOE
XWE
XRAS
XCAS
OE
WE
RAS
CAS
D-RAM
IC152
DIN1
MASTER CONTROLLER
IC1001(1/2)
HF MODULE
REFLECT
PROTECT
LD-LOW
WP
VINL
VINR
DALOCK
DARST
SLICERSEL
MUTE
12C BUSY
SDA(EEP)
SCL
EEP-WP
ADPWN
X-CIN
X-COUT
XOUT
XIN
VOUTL
VOUTR
SCL
SDA
SDA
M+7V
11
22
20
18
17
118
7
3
1
8
15
16
33
37
29
51
49
30
67
68
I2CDAT 37
I2CCLK
I2CDAT
I2CCLK
RCH
LOUT
36
90
29-36
38-45
38-45
1-8
15-24,48
65 69
14 11 26
43
72,73,75
77-85,92
77-85,92
94-100
LIMIT-IN
OUT-SW
PW ON
MUTE
SLICER-SEL
RESET
LOCK
LOCK
(LIMIT IN SW)
(OUT SW)
(PLAY SW)
(REC SW)
PLAY-SW
REC-SW
WP
WP
WE
CE
WR/CASL
CSOP
XBCKI
LRCKI
OVER WRITE
HEAD DRIVE
IC181, Q181, 182
11
9
8
4
1
2
48
47
46
40
33
38
37
36
32
35
34
26
28
18
17
16
20
12
30
29
5
6
7
10
LASER ON
SWITCH
Q101
LD/PD
AMP
I-V
AMP
I-V
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RF AMP
B.P.F.
PEAK &
BOTTOM
6
8
92
91
88
89
86
85
81
80
83
13
67 65 66 75 74 63 64
82
27
25
21
23
12
10
14
15
19
18
29
30
3
4
16
M
M
M
AUTOMATIC
POWER
CONTROL
DIGITAL SERVO
SIGNAL
PROCESS
ANALOG MUX
A/D CONVERTER
SERIAL/PARALLEL
CONVERTER,
DECODER
AUTO
SEQUENCER
V-I
CONVERTER
HF MODULE
SWITCH
Q131 – 134
100
60
59
62
61
53
54
57
78
79
94 93
10
12 11
14
9
8
5 6 7
1 2 3 4
43
47
16
29
27
28
26
21
20
19
23
24
22
25
17
46
44
22
4
5
23
15
ADIP
DEMODULATOR/
DECODER
SPINDLE
SERVO
COMPA-
RATOR
PLL
FILTER
SUBCODE
PROCESSOR
EFM/ACIRC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
CPU
INTERFACE
MONITOR
CONTROL
CONTROL
25
29
47
35
14
27
32
48 40
42 50
58 56
38
XRST
CLOCK
GENERATOR
49, 48, 50, 51
2, 3, 24, 25
34
–
31, 36
–
40, 45
9
–
12, 14
–
21
12 13
6
5
4
VCC 7
2
10
13
12
11
M
REFERENCE
VOLTAGE SWITCH
Q1001,1002
BCK
WS
SPDIFO
SPDIFI
12SBCKOUT
12SLRCKOUT
CLKOUT
SYSCLK
DATA0
DOUT
DATA1
XBCK1
LRCK1
DIN
OP-LEVEL
133
102-113
119-122
119-122
S101
S103
S104
S105
D0-D15
A1-A19
D0-D15
A1-A19
S102
4
3
-A
LD+3V
IC102
ILCC MONITOR
AMP
X401
10MHz
10MHz
X1002
32.768MHz
32.768MHz
60
66
61
61
115
8
114
9
10
21
1
13
12
7
6
5
5
IC195
EEPROM
IC1002
SRAM
RCH
L IN
D/O
IC1006
D/A
CONVERTER
IC1005
AD
CONVERTER
C
B
E
22
18
Q1003,1004
DOUT
DIN
DATA1
XBCK1
LRCK1
XBCK1
LRCK1
LD+3V
X171
90MHz
• SIGNAL PATH
: MD (PLAY)
: MD (REC)
: CD/MD (DIGITAL)
: CD (ANALOG)
IOP
OR
3
1
+5V
LD+3V
+3V
REG.
IC190
CD
SECTION
(Page 54)
MAIN
SECTION
(Page 57)
SYSCON/SERVO
SECTION
(Page 56)
HCD-ZX50MD
56
56
– SYSCON/SERVO SECTION –
M
+5V
S1001 (A PLAY)
S1003
(A HALF)
S1002 (B PLAY)
A PLAY
B PLAY
A HALF
• PLUNGER SOLENOID is supplied
as the MECHANICAL BLOCK ASSY.
IC401 (2/2)
MASTER CONTROL
10
XC-IN
IC702
REMOTE
SENSOR
SENSOR
DISC-SENS
I2C-DATA
I2C-CLK
86
A-SHUT
B-HALF/REC A/REC B
89
CLP-POS
CLP-NEG
79
ENC2
ENC1
ENC0
83
MID OUT-SW
PRTC-SW (LID SW)
MID IN-SW
IN-SW
INIT-SW
CNT-SW
OUT-SW
76
84
85
11
XC-OUT
LEVEL
SHIFT
Q701
DISC IN
DET.
SENSOR
D704, Q703
2
1
CAP MOTOR
CONTROL
Q396,397
ROTARY
ENCODER
S707
DISC TRAY
ADDRESS
DET.
S701
(MID OUT)
MD
SECTION
B
(Page 55)
SPEANA
MAIN
SECTION
D
(Page 57)
09
X401
32.768MHz
32.768MHz
13
X-OUT
15
X-IN
X402
16MHz
16MHz
X IN
X OUT
89
SIRCS
91
IC701
SYSTEM CONTROL
33
GRID EXT CLK
GRID EXT RESET
100
52
34
93
2G
1G 35
24
23
LED SEL
LED11
X701
12.5MHz
70
87
78
77
81
82
75
S702
(LID)
(LID)
S703
(MID IN)
S704
(IN)
S705
(INIT)
S706
(COUNT)
S708
(OUT)
IN1
IC701
MOTOR DRIVER
M701
ELEVATOR
UP/DOWN
7
2
IN2
OUT1
OUT2
3
REC IN
80
6
M702
(LOADING)
M1
CAPSTAN
MOTOR
M
LOD-NEG
LOD-POS
74
IN1
IC702
MOTOR DRIVER
7
2
IN2
OUT1
OUT2
3
73
CAPM-CONT
68
TRIGGER
MOTOR
CONTROL
Q391-394
A DECK/
B DECK
PLUNGER
B-TRIG
A-TRIG
66
65
SPEED
CONTROL
Q1001
NORMAL
SPEED
RV1002
HIGH
SPEED
RV1001
REEL
DETECT
IC1001
B-SHUT
71
S1002 (B PLAY)
+5V
+5V
69
S1006
(B HALF)
S1005
(REC A)
91
S1009
(REC B)
90
REEL
DETECT
IC1002
LED SELECT
SWITCH
Q690
LED
DRIVER
Q603-613,617
Q652
Q663-665
Q652
Q663-665
D604,606,608
D610,612,614,618
D652,662,664
D610,612,614,618
D652,662,664
D603,605,609
D611,613,617,619,652
D661,663,665
D611,613,617,619,652
D661,663,665
LED B+
SWITCH
Q692
+7V
LED B+
SWITCH
Q691
+7V
+5V
LED
DRIVER
CAPM-H/L
67
SWITCH
Q395
6
M
IC704
SPEANA B.P.F
BPF1/MD LEVEL1
BPF2
BPF3/MD LEVEL2
BPF4
BPF5
BPF6
L+R
RESET
F01
F02
F03
F04
F05
F06
L+R
RESET
REC NF
17
18
19
20
21
22
23
WAKE UP
I2C DATA
I2C CLK
WAKE UP
IIC-DATA
IIC-CLK
92
23
CLK
RESET
2
8
4
IC703
FL DRIVER
18G
3G
MIC
LINE IN
LINE NF
18
30
29
96
97
98
–
–
12
2
LED0
LED10
–
–
2G
1G
FL701
18G
3G
–
25
40
–
P1
P34
–
94
•
•
61
–
P35
P49
–
P1
P34
–
•
P35
P49
–
22
–
8
53
•
86
–
50
36
–
D691
D601,602
Q601,602
STAND-BY LED
TIMER LED
13
14
VOLUME
S751
VOL A
VOL B
15
16
KEY0
KEY1
KEY2
24
25
26
KEY
MATRIX
S601-614
S622-636
S641-653
S622-636
S641-653
STICK1
STICK2
27
28
STICK
CONTROLLER
S701
IC1601(2/2)
IC1601(1/2)
RV1601
MIC
VOL
VOL
1
3
7
6
J1601
MIC 1
17
16
15
14
13
12
11
6
5
4
3
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