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HCD-VZ50MD
53
53
– 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
DADTI
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
P.DOWN
MNT1 (SHOCK)
MNT2 (XBUSY)
DIG-RST
SQSY
DQSY
LDON
WRPWR
MOD
XINT
SENS
SRDT
LLD-IN
LLD-OUT
16
RIN
FIN
OUT1
OUT2
VREF
LOADING
MOTOR DRIVE
IC1004
M103
(LOADING)
DQ1
–
DQ4
A0
–
A7, A9
D0
–
D3
A00
–
A07
A09
XOE
XWE
XRAS
XCAS
OE
WE
RAS
CAS
D-RAM
IC152
DIN1
MASTER CONTROLLER
IC1001
HF MODULE
REFLECT
PROTECT
LD-LOW
WP
VINL
VINR
DALOCK
DARST
SLICERSEL
MUTE
SDA(EEP)
SCL
EEP-WP
ADPWN
XOUT
XIN
VOUTL
VOUTR
SCL
SDA
M+7V
11
22
20
118
7
3
1
8
15
16
33
37
29
51
49
30
67
68
I2CDAT 37
I2CCLK
I2C-DATA
I2C-CLK
R-CH
LOUT
36
43
LIMIT-IN
OUT-SW
PW ON
MUTE
SLICER-SEL
RESET
LOCK
(LIMIT IN SW)
(OUT SW)
(PLAY SW)
(REC SW)
PLAY-SW
REC-SW
XBCKI
LRCKI
OVER WRITE
HEAD DRIVE
IC181, Q181, 182
11
9
8
4
1
2
3
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
68
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
19
47
35
14
27
32
48 40
42 50
58 56
26
38
XRST
CLOCK
GENERATOR
49, 48, 50, 51
2, 3, 24, 25
34
–
31, 36
–
39, 45
9
–
12, 15
–
18, 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
DADTI
XBCKI
LRCKI
DIN
OP-LEVEL
133
S101
S103
S104
S105
S102
4
3
-A
LD+3V
IC102
ILCC MONITOR
AMP
X1001
10MHz
60
66
61
8
116
9
10
21
1
13
12
7
6
5
IC195
EEPROM
IC1002
ROM
90
29-36
38-45
1-8
15-24,48
65 69
14 11 26
73,75
77-85,92
94-100
WP
WP
WE
CE
WR/CASL
CS0
102-113
119-122
D0-D15
A1-A19
DQ0-DQ15 A0-A18
63
28
OE
RW/DW
R-CH
L IN
DIN
IC1006
D/A
CONVERTER
IC1005
A/D
CONVERTER
22
18
Q1004
DOUT
DIN
DATAI
XBCKI
LRCKI
XBCKI
LRCKI
LD+3V
X171
90MHz
• R-ch is omitted due to same as L-ch.
• Signal Path
: MD (PLAY)
: MD (REC)
: CD (DIGITAL)
: CD (ANALOG)
IOP
3
1
+5V
LD+3.3 V
+3.3V
REG.
IC190
CD
SECTION
(Page 51)
MAIN
SECTION
(Page 55)
MAIN
SECTION
(Page 55)
CD
SECTION
(Page 51)
VC
VC
VC
SW
MD BACKUP
3
5
IC502
RESET
RESET
A
H
I
D
PANEL
SECTION
(Page 54)
P.DOWN
Summary of Contents for HCD-VZ50MD
Page 8: ...8 BD CD board BD CD BOARD To repair the BD CD board remove the bottom plate Bottom view ...
Page 57: ...HCD VZ50MD 57 57 7 4 SCHEMATIC DIAGRAM DECK SECTION E Page 64 TO MAIN BOARD 16 ...
Page 64: ...HCD VZ50MD 64 64 7 11 SCHEMATIC DIAGRAM MAIN 1 4 SECTION ...
Page 65: ...HCD VZ50MD 65 65 7 12 SCHEMATIC DIAGRAM MAIN 2 4 SECTION See page 89 for IC Block Diagrams ...
Page 67: ...HCD VZ50MD 67 67 7 14 SCHEMATIC DIAGRAM MAIN 4 4 SECTION See page 89 for IC Block Diagrams ...
Page 71: ...HCD VZ50MD 71 71 7 18 SCHEMATIC DIAGRAM DIGITAL 2 2 SECTION See page 92 for IC Block Diagrams ...
Page 73: ...HCD VZ50MD 73 73 7 20 SCHEMATIC DIAGRAM AMP SECTION ...
Page 77: ...HCD VZ50MD 77 77 7 24 SCHEMATIC DIAGRAM SWITCH SECTION ...
Page 83: ...HCD VZ50MD 83 83 7 32 SCHEMATIC DIAGRAM POWER SUPPLY SECTION ...