Diagrams; Block Diagram - Md Section - Sony MZ-R70 Service Manual

SECTION 6

DIAGRAMS

6-1. BLOCK DIAGRAM — MD SECTION —
OPTICAL PICK-UP BLOCK RF AMP, FOCUS/TRACKING ERROR AMP
(LCX-2R)
IX
9
IY
8
JX
10
JY
JX JY 11
C
5
B
C B 14
I-V
A
D A CONV. 12
D
6
IX IY
AUTO POWER
PD-O
LD CONTROL 20
Q1001
APC
PD-IN
PD 18
PD SO
PD SI
4 CH MOTOR DRIVE
IC601
TRACKING
30
TRACKING
COIL
COIL
32
DRIVE
FOCUS
FOCUS
7
COIL
COIL
5
DRIVE
11
9
FOCUS
COIL
M602
26 DRIVE
(SLED)
28
SLED
MONITOR
IC604
M601
46
SPINDLE
(SPINDLE)
44 MOTOR
42
U
V
W
SPINDLE
MONITOR
34 35 36
TO POWER
B
OE
04 SECTION
(Page 29)
– 25 –
IC501
XRST 25
RF RF
33
AMP
PEAK
29
PEAK/
BOTM
BOTM 28
ABCD ABCD
41
AMP
FOCUS FE
42
ERROR
TRACKING TE
1
ERROR
ADFG
21
ADIP
OFTRK 26
S-MON 43
LPF
WPPLPF 3 SW
Q501 X501
23 24 19
22.5MHz
21
22
16
15
14
13
PWM24
25
23
24
PWM1
SWITCH
3
IC504, 505
2 1
2 5 6
1 2 1
DRIVE
48 5 6
3 7
17
DIGITAL SERVO SIGNAL PROCESSOR
EFM/ACIRC DECODER
SHOCK PROOF MEMORY CONTROLLER
ATRAC DECODER
IC502 (1/2)
78 42
RFI DADT DADT
84 PEAK XBCK 45 XBCK
A
85
BOTM LRCK 43 LRCK
FS256 46 FS256 TO REC/AMP
86 ABCD
SECTION
RESET (Page 27)
87
FE
96 TE
SYSTEM CONTROLLER
99 ADFG
IC801(1/3)
4 MNT2 XRST 12 68 XIC RST
WRPWR 15 7 WRPWR
20
OSCO
MNT1 3 51 XSHOCK
MNT3 5 52 FOK
DQSY 14 54 DQSY
19 OSCI
SQSY 13 53 SQSY
106 APC REF XINT 16 55 XINT
SENS 11 6 SENS
XLAT 8 8
XLAT
TX 17 5 TX
XCS DSP 3 2 9 XCS DSP
110 TFDR
SLCU 138
109 TRDR
111 FFDR
SLCV 139
112 FRDR
133 SLDU 67 SPDL PWM
134 SLDV 24 CLV U
141 SLDS 25 CLV V
135
SLDW 26 CLV W
140 SLCW
102 SSB DATA
103 SSB CLK
124 SPVS
127 SPDU SPCU 130
128 SPDV SPCV 131 36 PD SO
129 SPDW SPCW 132 38 PD SI
35 SLD MONI
2 OFTRK
79
S MON
57 REC WBL SW
49 SPDL START SW
– 26 –
MZ-R70
• Signal path
: PB