Sony HCD-HDX277WC Service Manual page 65

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• IC Block Diagrams
– MAIN Board –
IC201, 505, 506 SI-3010KM-TLS
VC 1
VIN 2
GND 3
REF
VOUT 4
ADJ 5
IC503 PST3635NR
OUT 1
VDD 2
TE
L 13942296513
VREF
GND 3
IC702 LC890561W-E
CE 37
CL 38
XSEL 39
MICROCOMPUTER
MODE0 40
INTERFACE
MODE1 41
DGND 42
DVDD 43
DOSEL0 44
DOSEL1 45
CKSEL0 46
CKSEL1 47
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XMODE 48
.
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HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
TSD
–
+
–
+
36 35 34 33 32 31 30 29 28
DETECT
SAMPLING
FREQUENCY
LOCK
DETECT
DATA
DEMODULATOR
INPUT
x ao
CIRCUIT y
i
1 2 3 4 5 6 7
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8
IC502 TK11250CMCL-G
6
CONTROL
CIRCUIT
1
5 CD
Q Q
3 6 7 1 3
4 NC
27 26 25
24 AUDIO
C BIT PA/PB
DETECT
23 EMPHA
22 XIN
21 XOUT
X' TAL
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
14 BCK
TIMING
13 CKOUT
PLL
u163
.
8 9 10 11 12
2 9 9 4 2 8
5
CONSTANT OVER HEAT &
CURRENT OVER CURRENT
SOURCE PROTECT
BANDGAP
REFERENCE
2
1 5 0 5 8 2 9 9 4
m
co
9 9
4
3
2 8 9 9
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