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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
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
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
1-8
15-24,48
65 69
14 11 26
43
72,73,75
77-85,92
94-100
LIMIT-IN
OUT-SW
PW ON
MUTE
SLICER-SEL
RESET
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
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
S101
S103
S104
S105
D0-D15
A1-A19
D0-D15
A1-A19
S102
4
3
-A
LD+3V
IC102
ILCC MONITOR
AMP
X401
10MHz
X1002
32.768MHz
60
66
61
115
8
114
9
10
21
1
13
12
7
6
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)
Summary of Contents for HCD-ZX50MD
Page 9: ...9 BD CD BOARD To repair the BD CD board remove the bottom plate Bottom view ...
Page 66: ...HCD ZX50MD 66 66 7 11 SCHEMATIC DIAGRAM MAIN 1 4 SECTION See page 65 for Printed WIring Board ...
Page 67: ...HCD ZX50MD 67 67 7 12 SCHEMATIC DIAGRAM MAIN 2 4 SECTION See page 65 for Printed WIring Board ...
Page 75: ...HCD ZX50MD 75 75 7 20 SCHEMATIC DIAGRAM AMP US AEP UK G AED CIS model SECTION ...
Page 77: ...HCD ZX50MD 77 77 7 22 SCHEMATIC DIAGRAM AMP E MX AR HK MY SP KR AUS model SECTION ...
Page 81: ...HCD ZX50MD 81 81 7 26 SCHEMATIC DIAGRAM SWITCH SECTION ...
Page 83: ...HCD ZX50MD 83 83 7 28 SCHEMATIC DIAGRAM CD MECHANISM SECTION 09 Page 68 Page 68 R S ...
Page 116: ...116 MEMO ...