Sony CDP-XE270 / CDP-XE370 Service Manual ▷ View online
17
17
CDP-XE270/XE370
6-5.
SCHEMATIC DIAGRAM – LOADING/MAIN/POWER SW Boards –
•
See page 20 for IC Block Diagram.
(Page 15)
(Page 19)
18
18
CDP-XE270/XE370
JW511
IC561
R522
R521
C532
R523
R524
JW505
C561
R525
C502
R511
JW514
X501
Q541
R532
R531
R501
C501
JW504
R528
JW510
JW502
JW507
R551
R552
JW506
CN501
JW509
JW501
JW503
R527
C531
JW515
R561
R541
JW513
JW512
JW508
R526
R533
R562
JW516
NO502
NO301
R502
R503
R504
S501
S502
S503
S504
TP
(ADJ)
(GND)
TP
(AFADJ)
DISPLAY BOARD
l AMS L
PUSH ENTER
J681
B
MAIN BOARD
CN621
x
S524
X
S523
M
S527
m
S526
m
S522
A OPEN/CLOSE
S521
IC501
E
1
2
4
32
34
35
FL501
FLUORESCENT INDICATOR TUBE
2
1
1
3
1-681-129-
11
(11)
4
5
3
1
1
2
TIME
PLAY MODE
CLEAR
REPEAT
KEY BOARD
11
(11)
1-681-130-
S501 – 504
S521 – 524,
S526, 527
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
11
12
6-6.
PRINTED WIRING BOARDS – DISPLAY/KEY Boards –
•
See page 13 for Circuit Boards Location.
IC501
C-6
IC561
C-12
Q541
C-7
• Semiconductor
Location
Ref. No.
Location
(Page 16)
19
19
CDP-XE270/XE370
6-7.
SCHEMATIC DIAGRAM – DISPLAY/KEY Boards –
•
See page 20 for Waveform.
(Page 17)
20
20
CDP-XE270/XE370
1
IC101
ta
(RFAC) (CD Play Mode)
6
IC101
w;
(SCOR) (CD Play Mode)
1
IC501
es
(XTAL)
2
IC101
rd
(RFDC) (CD Play Mode)
7
IC101
yj
(XTAO) (CD Play Mode)
3
IC101
el
(FE) (CD Play Mode)
4
IC101
ra
(TE) (CD Play Mode)
• Waveforms
– BD Board –
– BD Board –
5
IC101
wh
(MDP) (CD Play Mode)
1.3 Vp-p
5.2 Vp-p
13.4 ms
5.5 Vp-p
250 ns
1.4 Vp-p
5.9 Vp-p
59 ns
approx.
200 mVp-p
200 mVp-p
approx.
400 mVp-p
400 mVp-p
2.7 V
7.5
µ
s
– DISPLAY Board –
• IC Block Diagrams
– BD Board –
– BD Board –
IC101
CXD2587Q
TE
RFDC
CE
IGEN
AVSS0
ADIO
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
79
80
4
XRST
3
SQCK
SQSO
5
9
8
7
6
56
60
53
54
55
59
57
58
51
52
48
49
50
47
44
45
46
43
41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM
PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTOR
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
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