Read Sony XDR-CD70DAB Service Manual online
XDR-CD70DAB
24
24
XDR-CD70DAB
•
Waveforms
– CD Board –
qs
IC801
qf
(EXCLK)
1 V/DIV, 50 ns/DIV
125 ns
3.6 Vp-p
2
IC701
ek
(XO)
(CD play mode)
1 V/DIV, 20 ns/DIV
59.2 ns
3.2 Vp-p
3
IC701
rk
(TEO)
(CD play mode)
200 mV/DIV, 5 ms/DIV
Approx.
400 mVp-p
400 mVp-p
1
IC701
9
(FEO)
(CD play mode)
50 mV/DIV, 5 ms/DIV
Approx.
60 mVp-p
60 mVp-p
qa
IC801
qa
(XT2)
1 V/DIV, 10
µ
s/DIV
30.4
µ
s
3.3 Vp-p
– MAIN Board –
•
IC Block Diagrams
– CD Board –
IC701 BU9532KS2
AVDD1
1
DGND
39
XO
38
DVDD
36
XI
37
XPLCK
35
BUSY
32
MONI1
34
MONI0
33
RF SIGNAL
GENERATOR
SERVO
SIGNAL
GENERATOR
DIGITAL
SERVO
FILTER
FILTER
x8 OVER
SAMPLING
DIGITAL
FILTER
1 bit D/A
CONVERTER
APC
AC
BD
VBIAS
E
F
F
2
3
4
5
6
FEN
FEO
FEO
8
9
PKC
7
BTC 10
ASY 13
PD
LD
11
12
PLL
PCO
FCO
14 15
DIGITAL SERVO
SIGNAL
PROCESSOR
FDOUT
JUMPO
17 18
TDOUT
SDIN
19 20
CLK88
LON
23 24
RESETX
31
R/W
30
MCK
27
DOUT
29
DIN
28
CLK
SUBSYQ
25 26
DIGITAL
SIGNAL
PROCESSOR
COMMAND
INTERFACE
INTERFACE
16k SRAM
SDOUT
CLVOUT
21
EQO
52
RFI
CAGC
51 50
TEN
49
TEO
48
AGND2
RDACO
44
AVDD2
40
43
VCDAC
42
LDACO
41
SC
TZCRFM
47 46
RFRPRFM
45
22
AGND1
16
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