Sony hcd-hdx501W Service Manual page 72

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HCD-HDX500/HDX501W
QQ
3 7 63 1515 0
• IC Block Diagrams
– MAIN Board –
IC502, 1105, 1107, 1703 TK11133CSCL-G
IC1702, 3050 TK11133CSCL-G
IC1707 TK11150CSCL-G
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
CIRCUIT
+
BANDGAP
REFERENCE
1
2
TE
L 13942296513
IC702 LC890561W
36 35
34
33
REGULATOR
PA,PB DETECT
CE
37
C-BIT DETECT
CLK
38
XSEL
39
MODE0
40
DATA SELECTOR
MODE1
41
DGND
42
DVDD
43
DOSEL0
44
DOSEL1
45
CKSEL0
46
www
CKSEL1
47
XMODE
48
.
1
2
3
72
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4
3
32 31 30 29
28
27
26
25
FS CALCULATION
DATA SELECTOR
BUFFER RAM
DEMODULATION
&
PLL
LOCK DETECT
INPUT SELECTOR
x
ao
y
i
4
5
6
7
8
9 10
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8
IC503 PST3635NR
OUT 1
VDD 2
+
VREF
GND 3
IC504 NJM2887DL3 (TE2)
BANDGAP
REFERENCE
1
2
3
Q Q
3
6 7
1 3
24 AUDIO
23 EMPHA
22 XIN
21 XOUT
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
14 BCK
13 CKOUT
u163
.
11
12
2 9
9 4
2 8
THERMAL
PROTECTION
+
4
5
1 5
0 5
8
2 9
9 4
m
co
9 9
5
CD
4
NC
2 8
9 9

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