Technics SL-DZ1200PP Service Manual page 168

AN8882SB-E1
IC1
SERVO AMP
OPTICAL PICK-UP
SEMICONDUCTOR
LASER
1
PD
Q1
Vref.
LASER
2
LD
POWER
Vref.
DRIVE
+B1
Vref.
34 B
+B1
Vref.
5 LDON
PHOTO DETECTOR
Vref.
E E
36 A
Vref.
D C
31 E
A B
D C E
Vref.
Vref.
F F
28 F
F
Vref.
C0GBF0000007
IC5
FOCUS COIL / TRACKING
COIL / TRAVERSE MOTOR DRIVE
F+ 16
VO3-
FOCUS
COIL
F- 15
VO3+
T+ 14
VO2-
TRACKING
COIL
T- 13
VO2+
10
VO1+
M
TRAVERSE
MOTOR
11
VO1-
8,6
V 1 2
SS ,
26
V GSW
DD
2,4,7
A1~3
9
H1+
10
H1-
11
M
H2+
SPINDLE
12
MOTOR H2-
13
H3+
14
H3-
15
VH
8
GND
+B1
9 3
CAGC
V
CC
OFTR
DET.
RF
AGC
EQ
BDO
DET.
RF
DET.
A Ach
SUBTRACTER
Vref.
VCBA
B Bch
Vref.
Vref.
Ech
SUBTRACTER
VCBA
Vref.
Fch
30 29 7 4 12
Q2
SWITCH-
ING
1
VIN2
28
VG2
27
VIN3
26
VG3
3
VIN1
2
VG1
25
VIN4
21
VREF1
22
Vcc +7V
21
ECR
22
EC
23
PS
28
C0GBF0000004
+7V
RNF
IC4
27
+7V SPINDLE MOTOR
VM
DRIVE
25
V
Vcc DD
19
FG2
17
CNF
+B1 +B1
47 46 72 70
1
PHASE
COMPA-
ARF 10 44
ARF DSL
RATOR
/RFDET 17
BDO 14
SYNCHRONIZING
PROTECTION
OFTR 16
OFTR
FE OUT 27 FE
69 FLAG 6
FLAG6
39
BDO
V 2 21 SYNCHRO-
CC
+B1
38
/RFDET SERVO NIZING
INPUT ITERPOLATION
PORT PROTECTION
VREF2 22 VREF
RFENV 34
GND RFENV
18
FE 32
FE ADDRESS
GENERATOR
24 33
TEOUT TE
OFTR 36
OFTR
28
GCTRL 37
TRCRS
35
VDET
Q3
TBAL 31 TBAL
SWITCH-
FBAL 30 FBAL
ING
LDON 40 LDON
42 TOFS
VREF 29 VREF D/A
CONVERTER
41 PLLF2
TRD
FOD
23 27 28 22 26 10
TVD
AN77L05M-E1
ECS
IC2
ECM
+B1 REGULATOR
PC
FG
MN6627482WA
IC3
+B1
SERVO PROCESSOR / DIGITAL SIGNAL PROCESSOR
DIGITAL FILTER , D/A CONVERTER
48 4 50 60
SYNDROME DIGITAL AUDIO
CALCULATION INTERFACE
FREQUENCY
CIRC
COMPARATOR
DECODER
VCO
EFM DATA
INTERPOLATION
DE-
/SOFT MUTING
MODULATOR
/DIGITAL
ATTENUATION/
PEAK DETECT/
AUTO CUE
S/P
CONVERTER
16K
SRAM
PEAK
RAM
DETECTOR/
AUTO CUE
CLV
SERVO SUB-CODE
DEMODU-
LATOR
SERVO
CPU
CRCC CHECK
Q-CODE
REGISTER
SERVO OUTPUT
MICROCOMPUTER
PORT
INTERFACE
21 24 25 11 12 43 16 13 14 15 18 45 17 8 7
Q5
SWITCH-
ING
+7V
Q4 +B1
SWITCH-
ING
+B1
5 74 51 57
TX 6
OUTL
73
OUTR
75
IPFLAG 64 IPFLAG
LRCK 2 LRCK
BCLK 1 BCLK
SRDATA 3 SRDATA
SUBC 55 SUBC
SBCK 56 SBCK
CLDCK 62 /CLDCK
PSEL 78
SSEL 80
+B1
MSEL 79
FCLK 63
TIMING GEN.
/PITCH CONT.
EFM 52
9 20 19 58 59
X1
(16.9344MHz)
4X
2X
SL-DZ1200(PP,EB,EG,EP,GN) BLOCK DIAGRAM