Diagrams; Block Diagram - Sony MZ-E80 Service Manual

SECTION 6

DIAGRAMS

RF AMP,
6-1.

BLOCK DIAGRAM

FOCUS/TRACKING ERROR AMP
IC501
48 47
I I
1 RFO AGCI RF
RF AGC
RF AMP 46 40 38
J J
2 & EQ
EQ
B.P.F. AUX
33
WBL
3T
TEMP PEAK
F
37
PEAK &
B BOTM
BOTTOM 36
WBL
C B
I J
ADFM ADIN
D A AT ADFG
B.P.F. 29 30 32
A AMP
A
4
B
5
I-V ABCD
E ABCD
C
6 AMP 35
AMP
DETECTOR D
7
FOCUS FE
C
34
ERROR AMP
D
E E TE
8 I-V TRACKING 26
F F SE
AMP ERROR AMP
9 28
LASER DIODE
COMMAND
AUTOMATIC
ILCC APC
POWER LD/PD
11
CONTROL AMP
SERIAL/
Q502
PD LD
PARALLEL
V-I CONVERTER,
BGR
CONVERTER DECODER
LASER ON
PD PD
SWITCH 10
Q501, 503
12 20 19 16 17 18
OPTICAL PICK-UP
(ODX-1B)
SLED MOTOR
CONTROL UNREG B+
Q551,552
TRACKING
VOLTAGE
P02 DC/DC P12
MONITOR 30 32
DRIVE
IC502
P01 DC/DC P11
33
28
DRIVE
40 52 20 24
2-AXIS
DEVICE
TRK+ F03 F13 TFDR
TRACKING
43 60
R03 COIL R13 TRDR
45 59
DRIVE
F01 FOCUS F11 FFDR
TRK–
49 57
COIL FRDR
R01 R11
FCS+ 47 58
DRIVE
FCS–
F02 SLED F12 SLDU
53 55
MOTOR SLDV
R02 R12
51 56
DRIVE1
F04 SLED F14 SLDW
39 62
M502
MOTOR SLCW
M R04 R14
41 61
(SLED) DRIVE2
SPDU
HOU HIU
21 36
SPINDLE
HOV SPDV
HIV
23 MOTOR 35
HOW HIW SPDW
DRIVE
25 34
U V OE
1NOTE
63
SLED SLED SLEEP UP/DOWN PWM
W
71
VOLTAGE VOLTAGE /POWER SW
D1
72
MONITOR MONITOR DECODER
IC552(1/2) IC552(2/2)
18 17 16
M501 FOCUS/TRACKING COIL DRIVE,
(SPINDLE) SPINDLE/SLED MOTOR DRIVE
IC551
05
– 11 –
IC601
FILI
D/A
81
DIGITAL SIGNAL PROCESSOR, PCO CONVERTER
80
DIGITAL SERVO SIGNAL PROCESSOR, PLL
CLTV
83
EFM/ACIRC ENCODER/DECODER,
FILO
SHOCK PROOF MEMORY CONTROLLER, 82
DIGITAL
ATRAC ENCODER/DECODER, AUDIO
D/A CONVERTER, /16M BIT D-RAM INTERFACE
IC601
ASYO
74
ASYI
75
COMPA-
RFI
RATOR
78
D-RAM
SUBCODE
ADIP PROCESSOR
ADFG INTERNAL BUS
99 DEMODULATOR/
DECODER
AUX1
88
PEAK
84 CPU MONITOR
BOTM
INTERFACE CONTROL
85
ABCD ANALOG
86
MUX
FE
87
TE
96
SE
95
13 16 11 10 6 7 8 2 3 4 5
XLAT XLRF
103
SCLK CKRF
AUTO
104
SWDT DTRF SEQUENCOR
105
F0CNT
102
SPRD SPINDLE
117
SPFD SERVO
118
APCREF
106
TFDR
110
TRDR
109
FEDR DIGITAL SERVO
111
SIGNAL PROCESS
FRDR
112
SRDR
114 FS4
113
SFDR
115
BYPS
142
SLVS
141
SPVS
124
SLDU
133 BRUSHLESS
SLDV 27 28 52 65 66 64 67 56 57 58 69
134 MOTOR
SLDW SLCU
CONTROL
135 138 38 SLD 1 MON
SLCW SLCV
140 139 39 SLD 2 MON
U0
SPDU SPCU U0
127 130 45 CLV U MON
SPDV SPCV V0 V0
128 131 46 CLV V MON
SPDW SPCW W0 W0
CLV W MON
129 132 47
42 CLV VCON
24 XRFSW
LD ON
37
1 THOLD
33 31 23
TAP805
D801
TEST
OPEN : NORMAL MODE OPERATE
SHORT : TEST MODE
S802
HOLD
OFF HOLD
– 12 –
HEADPHONE AMP
IC301
AOUTR INB OUTB
27 21 4
LOW-PASS
FILTER AOUTL OUTA
INA
24 22 2
BEEP OUTA
DOUT
24
34 BEEP IN
15 BEEP
BEEP OUTB
23
DATAI
38
DADT
42
17 18 13
XRCK
45
LRCK
43
FS256
46
OSCI REFERENCE
OSCILLATOR 19 X601
OSCO VOLTAGE
CELL 22.5792MHz
20
SWITCHING
Q301
SYSTEM CONTROLLER
B+ SWITCH
(IC801) B+
Q902
12
(FOR A/D CONVERTER)
VG B+
XOE
71
XWE
72
EEPROM REMOTE
XRAS
60 IC802 COMMANDER
XCAS
B+
63
7 1 2 3 4
Q903
S801
(OPEN/CLOSE)
9 76 75 74 73
BEEP 60
HP MUTE 70
HP STBY 71
REC KEY 7
RMC DTCK 63
SYSTEM CONTROLLER
RMC VCON 34
IC801
SLEEP 68
OPEN CLS SW 6
XWK CLR 69
V28 CON 44
51 29 30 17 16 8
X801
S804-808
S803 S301 16.9344MHz
AVLS DIGITAL MEGABASS
NORM LIMIT 0 1 2
GND SIGNAL PATH
J301
: PLAYBACK
KEY
2 REMOTE
DATA
VDD
B+
+2.2V
B+
REGULATOR
(+2.2V)
IC503
+2V
B+
REGULATOR
(+2V)
IC504
B+ SWITCH
Q901
POWER SUPPLY
VC IC901
10
DC/DC
CONVERTER
D903 IC902
XRST
8 RESET
XWK3
33
CLK
28
SLEEP
30
XWK2
34
XWK1
35
FFCLR
31
C2L
13
C2H
17
C1L UNREG B+
14
C1H OSC1
16 VBH
25
STEP-UP
VG VB1
DC/DC
VG B+ 18 26
CONVERTER
MODE D1
21
SELECT
INM PWM1
4 COMPARATOR PWM1 22
SW
23
D901
– 13 –
MZ-E80
DRY BATTERY
SIZE " AA "
(IEC DESIGNATION R6)
1PCS. 1.5V
DC IN 1.5V
– +
(BATTERY CASE)
RECHAGEBLE
BATTERY
(NICKEL-METAL)
NH-14WN 1.2V
– 14 –