Sony HCD-X1V Service Manual page 74

HCD-X1V
• IC Block Diagrams
– DMB12 Board –
IC105, 107, 703 TK11133CSCL-G
IC702 TK11118CSCL-G
IC707 TK11150CSCL-G
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
CIRCUIT
BANDGAP
REFERENCE
1 2
– D-IO Board –
IC1004 TC74HC151AF (EL)
D3 1 V
16
CC
D2 D3 D4
D2 2 15 D4
3 D1 D5 14
D1 D5
D0 4 D0 D6 13 D6
Y 5 12 D7
Y D7
6 11
XY W A A
7 10
OE S C B B
8 9
GND C
74
– RELAY Board –
IC701, 711, 721 BA6956AN
4
1
3
– MAIN Board –
IC1, 505, 506, 507, 703 SI-3010KM-TL
VC
VIN
GND
VOUT
ADJ
TSD
2 3 4 5 6
1
2
3
TSD
–
+
REF
4
5
CONTROL LOGIC
7 8 9