MEX-BT5000
24
24
MEX-BT5000
SECTION 5
DIAGRAMS
83
RFO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
89
RFEQO
3
RFRP
6
TEI
88
RFI
RFRPI
2 RFZI
7 TEZI
9 FOO
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
81
AGCI
82
94
96
95
97
98
TNI
FPI1
FNI1
FPI2
FNI2
TPI
VRO
91 LDO
92
MDI
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Signal Path
: CD PLAY
LASER DIODE
M
M
M
18
17
VO3–
VO3+
14
13
VO1+
VO1–
12
11 VO2–
VO2+
10
9
VOL+
VOL–
FWD
REV
1
28
OPIN4– 26
OPIN4+ 27
OPOUT4 25
10 TRO
OPIN3– 23
OPIN3+ 24
OPOUT3 22
12 FMO
OPOUT1 4
13 DMO
OPOUT2 7
MUTE 21
BIAS 20
16
15
VO4–
VO4+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
51
PIO3
48
PIO0
36
MSTBY
58
ZDET
37
/RST
43
/CCE
42
BUCK(CLK)
41
BUS3(SI)
CD_L
30
LO
27
RO
R-CH
27 DEC_SSTBY
15 CD_ZDET
14 CD_XRST
13 CD_XCCE
53 MEC_SELFSW
45 MEC_INSW
42 MEC_LIMIT
12 CD_BUCK
11 CD_BUS3
40
BUS2(SO)
10 CD_BUS2
39
BUS1
8
CD_BUS1
38
BUS0
7
CD_BUS0
81 X1
80 X0
MEC LOAD
43
DRVON
6
MEC EJECT
44
CD
SYSTEM CONTROL
IC3
+1.5V REG
IC6
SYSTEM CONTROLLER
IC501 (1/4)
37 DEC_XMUTE
30 DEC_INT
SW2
(SELF)
46 MEC_DSW
SW1
(DOWN)
SW3
(DISC IN)
SW4
(LIMIT)
56
UNISI
25
RXD
57
UNISO
58
UNICKI
50
BUS_ON
51
BU_IN
75
RSTX
61
XFLASH & EJECT_OK
67
MECON_CHK
1
CDON_1500MV
1.5V_ON
63
MECON
64
CDON
66
ZMUTE
60
A_ATT
26
TXD
PD1
E
F
VC
VC
VC
LOAD
LD
MON OUT
FCS+
FCS–
TRK+
TRK–
PD2
AUTOMATIC
POWER
CONTROL
Q21
+1.5V ON/OFF
SWITCH
Q2,3
• R-ch is omitted due to same as L-ch.
24
23
X2
16.934MHz
X1
12MHz
XI
XO
EJECT_OK
UNI_SI
UNI_SO
A_ATT
59
LINKOFF
LINK_OFF
UNI_CLK
BUS_ON
BU_IN
SYS_RST
91
CDON_IN
VOUT
94
CDMON_IN
95
CDMUTE_IN
CD +6V
93
68
CDON_CHK
1
5
VDD
3
CE
CD +3.3V
CD +1.5V
M +1.5V
BU +3.3V
84
100
A
C
B
(Page 26)
(Page 27)
(Page 26)
5-1. BLOCK DIAGRAM – CD SERVO Section –
Содержание XPlod MEX-BT5000
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