Sony HCD-HDX275 Service Manual page 65

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