Nx-Sw60 - Yamaha NX-SW60 Service Manual

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2. Circuit configuration inside IC100 (LA9702W)
and IC200 (LC78661W)
(This is a basic circuit configuration diagram)
REN
1
DVD
PU
RFSCT
REP
2
B 3
A
DVD 4
PU
D 5
C 6
C 7
A
8
MTX
CD
B 9
PU
F 10
E 11
LDO1
13
LDS1
14
LDO2
15
LDS2
16
VREFP
79
TE LDON1
L 13942296513
MI-COM
72
PORT
LDON2
70
76
RFSCT
N a m e TP label
FE TP101
TE TP102
RFN TP104
RFP TP105
BH TP106
PH TP107
DEF TP230
LD1 TP122
LD2 TP124
TESI0 TP201
HFLBIAS TP204
HFLIO TP206
FSEQ TP211
EFMOUT TP226
DEFECT0 TP229
TOST TP246
FOST TP247
BOOST3T TP248
RFVCA TP249
TBAL TP250
www
FBAL TP251
SGC TP252
HFBUSYB TP254
JVAO TP257
.
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IC100
LA9702W(AMP)
VGA
EQSCT
CD-3T
EQ1
BST
BOOST
EQ2
2C+A+B
DPD / TE DPD / TE
CPOF OR TH DPD / TE
DPD
VREF
3-BEAM
LPF1 LPF2
PUSH-PULL
TOST TE SGC
XHTRC
PP / TE
TE HOLD
FE SGC
FE 1
FE 2
FOST
BPF
RFSCT
SGC
RR 1
RR 2
RFSCT
DPD: PHASE A,B,C,D
TE 3-BEAM: F~E
APC1
PUSH-PULL: (B+C)-(A+D)
FE1: (B+D)-(A+C)
FE
FE2: A-B
APC2
RR1: A+B+C+D
RREC
RR2: A+C+B
VREFP1
PICK
61 68 63 59 57 51
EQSCT PP/TE DPD/TE XQBH XHTRC CPOF
MI-COM PORT DSP CONTROL
IC, CN
Location Pin no. Description
IC100 25 Focus Error Signal(Analog)
IC100 30 Tracking Error Signal(Analog)
IC100 40 RF Signal(Analog)
IC100 41 RF Signal(Analog)
IC100 42 Bottom Hold Signal(Analog)
IC100 44 Peak Hold Signal(Analog)
IC100 46 High : When passing defects
Q1004 E DVD Laser Power Supply(Analog)
Q1005 E CD Laser Power Supply(analog)
IC200 2 TES(Track crossing signal)
IC200 28 MIRROR Slice Bias(Analog)
IC200 44 MIRROR signal
High : Sync synchronized
IC200 84
LO : Async
IC200 134 RF Digitized signal
IC200 201 High : When passing defects
IC200 29 Tracking Offset Control(analog)
IC200 30 Focus Offset Control(analog)
IC200 31 RF EQ Control(analog)
IC200 32 RF Voltage Control(analog)
IC200 33 Tracking Balance Control(analog) CLOSE-SW
IC200 34 Focus Balance Control(analog)
IC200 35 Signal Gain Control(anlog)
x ao
Function Busy Low during jump,
y
IC200 50
adjustment so on.
IC200 154 Jitter value(analog)
i
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8
2. IC100(LA9702W)とIC200(LC78661W)の内部
回路構成（基本回路構成図）
SLCBIAS
LPF
RFOP EFMINP
41
EFMINN
RFON
40
DEFECTI
DEF
46
DEFECT
HFLIO
PH RF-PH
PEAK HOLD
44
BH RF-BH
BOTOM HOLD
42
AD5/BH
XHTRC
BCA
AD2
BCA TH 45
AD1
BCATH
TE
TE
30
AD4/TE
WO
TH AD3
32
FE
FE
29
RREC AD0
28
TESIO
RFPI
OFSET
TOST
24
FOST BCA
23
BST BOOT3T
22
Q Q
VGA RFVCA
3 6 7 1 3
21
TEBL TBAL
20
FEBL
FBAL
19
SGC SGC
18
SERVO
VREFS
53 27
VREFS
TH
N a m e TP label
TD TP601
FD TP602
SPD-FG TP604
W TP621
V TP620
U TP611
H+ TP619
U+ TP618
U- TP617
V+ TP616
V- TP615
W+ TP614
W- TP613
H- TP612
SLD TP607
SPD TP608
OPEN ------
CLOSE ------
OPEN-SW TP627
TP626
HRST TP700
RESET ------
u163
VREF ------
SLDO TP603
.
DVR-S60/NX-SW60
2 9 9 4 2 8
IC200
LC78661W(DSP)
26
SLCBIAS
JITTER
DETECTION
18
EFM
CIRCUIT
SLC
EFM+
16
EFM,EFM+
206 DEFECT
PCK
44
11
12
HFL
5
8
A/D
HFLBIAS
8bit
9
10ch DIGITAL. FE,TE,PH,BH,RPEC,
JV,BCA,WO
13
6
7 TES
TESBIAS
14
10
2
1
WO-CNT
CLK
COUNTER
29 TES
TRACK
30 COUNTER
HFL
D/A
31
8bit
1 5 0 5 8 2 9 9 4
32 DIGITAL.
11ch
OFSET,BCA,BOOT3T,
33
+3ch
RFVCA,TBAL,FBAL,
34
SGC,HFLBIAS,TESBIAS,
FDO,TDO,SPDO,SLDO,
35
SLCBTAS.
SLCBIAS
25 205 201
VREF
DEFECT0 RFP1
TH
CPOF
XHTRC
IC, CN
Location Pin no. Description
IC200 38 Tracking Driver out(analog)
IC200 39 Focus Driver out(analog)
IC602 24 Spindle FG signal
------ ------
------ ------
------ ------
------ ------
------ ------
------ ------
------ ------
Spindle Hall Voltage
------ ------
------ ------
------ ------
------ ------
IC200 36 Sled Driver out(analog)
IC200 37 Spindle Driver out(analog)
IC601 16 TRAY control signal
IC601 15 TRAY control signal
CN600 5 TRAY Limit SW
m
CN600 3 TRAY Limit SW
CN500 2 RESET from Back-end
IC502 6 RESET to Micom
co
IC100 27, 79 Reference Voltage(2.5V)
IC601 18 Sled Motor Driver out
9 9
JV
154
EFMOUT
134
136
PCK
HFLBIAS
28
TESBIAS
27
FDO
39
to
TDO
2 8 9 9
38
DRIVE
SPDO
IC
37
SLDO
36
19