Read Sony XVM-R90D Service Manual online
XVM-R90D
9
9
MV-900SDS
3.
DIAGRAMS
3-1. BLOCK DIAGRAM – SERVO Section –
CDRF
63
DVDFRP
RF
1
A2
5
B2
6
C2
7
D2
8
A
14
B
13
C
12
D
11
E
16
F
15
CDTE
17
DVDLD
22
STBY
28
VC
26
M1
(LOADING)
VINLD 23
VINSL– 5
VINTK 26
VINFC 1
ATOP 62
AIP
59
SIGO 57
FE 42
XHA0 96
TE 41
CE 43
SDATA 47
SCLK 46
SDEN 48
LDON 25
MIRR 29
MEVO 34
DFT 37
PI 36
FNP 52
DIP
53
ATON 61
AIN
60
FNN 51
DIN
54
XSRFRP
20
XSRFRPLP
17
CLK
35
XGPIO2
48
XSCSJ
30
XSCLK
31
XSDATA
32
XSFGIN
34
XSSPDON
35
XSMOTOR
15
XMP1_0
57
XGPIO1
51
XGPIO0
52
XMP1_6
SFGIN
SSPDON
SMOTOR
RFSW
GAINSW
HOMESW
41
XSSBAD
27
XSDFCT
29
XSCEI
25
XSTEXI
21
XSTEI
23
XSFEI
24
XSRFIN
HD0 - HD15
XHD0 -
XHD15
2
DVDPD
21
CDPD
23
COMPARATOR
U7 (2/2)
DVD ON SWITCH
Q11
RESET SIGNAL
GENERATOR
U3
REFERENCE VOLTAGE
GENERATOR
U7 (1/2)
SENSOR BOARD
SLED/LOADING MOTOR DRIVE,
FOCUS/TRACKING COIL DRIVE
U5
AUTOMATIC
POWER CONTROL
(FOR DVD)
Q2
RF AMP,
FOCUS/TRACKING ERROR AMP
U6
DVD/CD
DIGITAL SIGNAL PROCESSOR
U1
OPTICAL
PICK-UP
BLOCK
CDLD
VREF
A
B
C
D
F1
F2
E1
E2
LD (DVD)
PD
EC
XMP1_4
44
ANODE
XMP1_7
40
COLLECTOR
XMP1_3
45
SW1
DVD_VR
SW2
FEED LIMIT SW
FG
START
LD (CD)
24
D100
XSRFGC
9
XSLDC
33
XSSLEG
13
XSTRACK
12
XSFOCUS
11
AUTOMATIC
POWER CONTROL
(FOR CD)
Q3
SFGIN
SSPDON
SMOTOR
RFSW
GAINSW
HOMESW
FO+
FEED MOTOR–
FEED MOTOR+
TR–
TR+
FO–
CD ON SWITCH
Q12
Q10
CD_VR
DISC OUT DET
DISC IN DET
CLOSE END SW
VOFC+
14
VOSL–
11
VOSL+
12
VOTK+
15
VOTK–
16
VOFC–
13
19 - 24,
27 - 32
106 - 109, 111 - 114,
116 - 123
XRD0 -
XRD15
124 - 129, 131 - 137,
139 - 141
XRA0 -
XRA11
148, 149, 151 - 153,
155 - 161
DQ0 - DQ15
16 Mbit
SD-RAM
U4
A0 - A11
2, 3, 5, 6, 8, 9, 11, 12, 39,
40, 42, 43, 45, 46, 48, 49
XHA1 98
XHA2 95
XHA2 95
XHCS1J 94
XHCS16J 99
XHCS3J 93
XHINTJ 100
XHIORDYJ 102
XHIOWJ 104
XHIORJ 103
XHRSTJ
HA0
HA1
HA2
HCS1J
HCS16J
TO
MAIN UNIT
HCS3J
HINTJ
IORDY
IOWJ
IORJ
ENDSW
RST
50
XRSDCLK 143
WE
15
XRWEJ 142
CS
18
XROEJ 147
RAS
17
XRRASJ 144
CAS
16
XRCASJ 145
1 - 5,
11 - 20, 31
21 - 23,
25 - 29
XMD0 -
XMD7
XMA0 -
XMA15
74, 75, 77 - 87,
89 - 91
DQ0 - DQ7
FLASH
MEMORY
U2
A0 - A15
WE
7
XMWRJ 72
OE
32
XMPSENJ 54
CE
30
XMFSCSJ 46
XCRSTJ 53
+3.3V
REGULATOR
Q1
62 - 69
59
60
Y1
33.8688MHz
B+5V
DVD +3.3V
XOSC1
XOSC2
VOLD+
VOLD–
17
18
M
M
• SIGNAL PATH
: DVD (AUDIO)
: DVD (VIDEO)
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