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RF
OPTICAL PICKUP IC701 +B +B
AN8885SBE1
SERVO AMP 8 9 10 11
CSBRT
RFIN
CEA
RF
SEMICONDUCTOR
LASER 6 LPD
+B
OFTR 3 ENV 19 ENV
DET. TENV
+B
Q701
7 LD
LASER +
POWER DRIVE - OFTR 17 OFTR
+B BDO BDO 12
- BDO
13 LDON + DET.
+B RF /RFDET 15 /RFDET
DET.
+B FEN 25
PHOTO DETECTOR 4 PDA
-A Ach
+B + FEOUT 24
VCBA Subtracter - FE
+ VCC 3
-
+B Bch +B
+B
E E +B
5 PDB
+B - VREF 26
+ +B
D C +B GND 14
A B
1 PDE +B +B
D C
- Ech Subtracter
+ -
+
+B +
VCBA +B - -
2 PDF +B + N.C. 18
- Fch +B
+F -
F F +
PDOWN
TEOUT
+B
TBAL
FBAL
TEIN
N.C.
27 28 22 16 23 21
LDON
+B
TRACKING FOCUS
TBAL
FBAL
COIL
TE
COIL
RF
T+ T- F+ F-
47 48
DSLF
PLLF
JK321
TX 6
SYNDROME DIGITAL AUDIO
CALCULATION INTERFACE
44 ARF PHASE FREQUENCY
DSL COMPARATOR COMPARATOR
DMUTE 16
-B
CIRC
VCO DECODER
X2 59
SYNCHRONIZING
IC702 PROTECTION X701
MN662790RSC INTERPOLATION/ X1 58
EFM DATA SOFT MUTING/
SERVO PROCESSOR/ DEMODULATOR DIGITAL S/P
DIGITAL SIGNAL ATTENUATION CONVERTER
PROCESSOR/
DIGITAL FILTER/ TIMING
D/A CONVERTER GENERATOR/ SMCK 19
PITCH
39 BDO CONTROL
BDO DIGITAL DE-EMPHASIS RSEL 76
+B
SERVO SYNCHRONING 16K
/RFDET 38 /RF DET INPUT INTERPOLATION SRAM
PROTECTION VREF 29
PORT DIGITAL FILTER +B
RFENV 34 RF ENV
CONVERTER
FE 32 FE PEAK
RAM
LOGIC
DETECTOR/ OUTL 73
A/D
PWM
TE 33 TE ADDRESS AUTO CUE + CD SIGNAL
GENERATOR -
MASH LOGIC
OFT 36 OFT
37 TRCRS SUB-CODE
CLV DEMODULATOR
35 VDET SERVO
LOGIC
OUTR 75
PWM
VREF 29 VREF +
CRCC - RCH
TBAL 31 TBAL CHECK
FBAL 30 FBAL SERVO
CPU CRCC SUBC 55
CHECK
SBCK 56
41 PLLF2
WVEL D/A SERVO OUTPUT 5
43 CONVERTER DVSS1
IC703 PORT
42 DSLF2 20
AN8739SBE2 MICROMPUTER CSEL
FOCUS COIL/ INTERFACE PSEL 78
TRACKING COIL/ LDON 40 LDON
TRAVERSE MOTOR/ 79
SPINDLE MOTOR DRIVER NSEL
SENSE
FLOCK
TLOCK
BLKCK
MDATA
/CLDCK 62
SQCK
SUBQ
MCLK
KICK
/RST
ECM
1
FOD
STAT
TRD
ECS
TVD
/RST
TRV
MLD
PC
18 D4+ RESET
SIGNAL 27 28 22 25 26 21 24 23 10 11 12 18 13 14 15 17 8 7 9
GEN.
17 D4- FOCUS IN3 26
COIL
DRIVE
16 D3+
TRACKING
15 D3- COIL IN4 25
DRIVE
12 D1+ IN1 6
TRAVERSE
MOTOR M
_ 11 D1-
TRAVERSE
MOTOR
DRIVE
MDATA
SQCK
SUBQ
MCLK
IN2
STAT
D2+ 3
/RST
14
MLD
SPINDLE
SPINDLE
MOTOR M
_ 13 D2- MOTOR
DRIVE
PC2 4
SIGNAL LINES
CD SIGNAL LINE
IC11
BA033T
REGULATOR
Q15
D16 D11~D14
+B REGULATOR
D42,D43 Q42
CURRENT
+B CONTROL
PT11
D51,D52
+B
Q18,Q19
POWER
SUPPLY
CONTROL
POWER TRANSFORMER
Q471,Q472
Q31 D31,D32
+B SWITCH
-B REGULATOR JK11
AC INLET
Q11,Q12 D21
SWITCH
IC801
BA4558FDXE2
Q32,Q33
JK801 L.P.F.
CD SIGNAL
LCH OUT FILTER AMP FL DRIVE
TO FL DISPLAY
Q801(Q802)
MUTING
+B
IC501
Q851,Q852 Q853 BA6247N
+B MUTING
MOTOR DRIVE
MUTING
8
+B
M501
(LOADING MOTOR)
MOTOR 10
6 DRIVE
CONTROL CIRCUIT
+
M
4 3 -
MOTOR -
& AMP
M551
DRIVE M
(TRAY MOTOR)
+
5
S701(RESET) MOTOR 2
DRIVE
Q475
STAT
SWITCH
Q462 D462 Q461
MOTOR MOTOR
CONTROL CONTROL
Q474 Q476~Q480
SUBQ Z601
SWITCH SWITCH
X401
16 51 36 34 35 47 13 53 23 25 24 78 55~59 43
SQCK
STAT
RESTSW
X1
X2
DMUTE
POWER
DIR
STAT
STAT
PWM
REMOCON
LOAD
TURN
SQCK 14
SQCK
/RST 21
/RST
UPD78044F186 IC401 MICRO-PROCESSOR
MCLK 9
MCLK
MDATA 10
UP/DOWN
POSITION
KEYOUT1
KEYOUT6
MDATA
SPEED
RESET
OPEN
MLD 11
MLD
S16
G8
G1
S1
45 37 46 22 17
+B 1~7,80 61~70,72~77 26~28
(OPEN/CLOSE DET.)
Q501 D551 D502 Q401
D501
S551
RESET
FL601
FL DISPLAY
KEY MATRIX