Sony CDP-XA20ES - Signal Waveform Analysis

5.2 Vp-p
22.7 µ s
– 43 –
– 44 –
• Waveforms
– BD Section –
1 IC101 @§ (RFDC), #§ (RFAC) 200 mV/DIV, 500 ns/DIV
1.2 Vp-p
+0.25
–0.20
2 IC101 @¶ (TE) 100 mV/DIV, 500 ns/DIV
Approx. 250 mVp-p
3 IC101 @ª (FE) 50 mV/DIV, 500 ns/DIV
4 IC101 $∞ (LRCK)
5 IC101 $¶ (BCLK)
5.2 Vp-p
474 ns
6 IC101 %£ (XPLCK)
7 IC101 %∞ (RFCK)
8 IC101 (§ (MDP)
2.3 Vp-p
7 ns
9 IC351 #¡ (XIN)
4 Vp-p
4 MHz
– MAIN Section –
0 IC302 0 (XIN)
2 Vp-p
45 MHz
• IC Block Diagrams
– BD Section –
IC101 CXD2545Q
68
67 62 63 64 20 19
C4M
FSTO XTAI XTAO XTSL VCKI VPCO
69C16M 43 PSSL
18PDO
13VCO1
12VCO0
33PCO
32FILI
31FILO
34CLTV
36RFAC
38ASYI
39ASYO
42ASYE
73WFCK
74SCOR
76EXCK
75SBSO
72EMPH
78SQCK
77SQSO
95MON
94FSW
96MDP
97MDS
26RFDC
27TE
28SE
29FE
30
25
VC
RFC
CLOCK
GENERATOR
ASYMMETRY
CORRECTION
DIGITAL
PLL
VARI-PITCH
(
DOUBLE SPEED
)
EFM
DEMODULATOR
TIMING
GENERATOR 1
TIMING
GENERATOR 2
CLV
PROCESSOR
FOCUS SERVO
MIRR
DFCT
FOK DETECTOR
SUBCODE
P-W
PROCESSOR
SUBCODE
Q
PROCESSOR
SERVO
MICRO PROGRAM
INTERFACE
SERVO
AUTO
SEQUENCER
SERIAL
PARALLEL
PROCESSOR
18-TIMES
OVERSAMPLING
FILTER
SWITCH
&
BUFFER
A/D
CONVERTER
SYNC
PROTECTOR
D/A
DATA PROCESSOR
ADDRESS
GENERATOR
PRIORITY
ENCODER
NOISE
SHAPER
MUX
CPU INTERFACE
32K RAM
RESISTER
ERROR CORRECTOR
PEAK DETECTOR
DIGITAL OUT
24
ADIO
21
AVDD
40
AVDD
23
AVSS
35
AVSS
41
ADD
90
ADD
15
DVSS
65
DVSS
81
XRST
22
IGEN
37
BIAS
44
WDCK
45
LRCK
66
FSTI
82
DIRC
83
SCLK
84
DFSW
85
ATSK
98
LOCK
99
SRON, SRDR1, 2
SFON, SFDR3, 100
DA01-1661-46
TFDR, TFON4, 7
TRON, TRDR5, 6
FFDR, FFON8, 11
FRON, FRDR9, 10
SSTP
16
TES2
14
TEST
17
TES3
TRACKING
SERVO
SLED PWM
GENERATOR
2
TRACKING PWM
GENERATOR
FOCUS PWM
GENERATOR
SLED SERVO
SERVO DSP PWM GENERATOR
2
2
2
2
2
93 FOK
92 DFCT
91 MIRR
80 SENS
89 COUT
88 CLOK
86 DATA
71 D OUT
79 MUTE
70 MD2
87 XLAT
16
IC181 TA7256P
+
–
+
–
1
2 3
4
5 6 7 8 9
10
SENSE1
OUT1
–IN1 +IN1
VEE
+IN2 –IN2
OUT2
SENSE2
VCC
Approx. 100 mVp-p
5.2 Vp-p
128 ns
5.2 Vp-p
136
µ
s