Sony HCD-BC250 - TRANSLATION Board; PANEL Board; FL Board

40
HCD-BC150/BC250
Ver 1.3
– TRANSLATION Board –
IC701, 711 BA6956AN
– PANEL Board –
IC802 BU2152FS
1 2 3 4 5 6 7 8 9
CONTROL LOGIC
TSD
VREF
OUT2 OUT1
RNF
VM
VCC
FIN
GND
RIN
7
2
3
4
8
1
6
5
CONTROLLER
SHIFT
REGISTER
32
31 30
9
10
11 12 13
14
15 16
17
18
1920
21
22
23
24
2526
27
28
29
LATCH
Q1-Q24
VDD
CLB
STB
SO P24 P23 P22 P21 P20 P19 P18 P17 P16 P15 P14 P13
P12 P11 P10
P9 P8 P7 P6 P5 P4 P3 P2 P1
DATA
VSS
CLK
VSS
– FL Board –
IC803 PT6315
1
2
3
4
5
4-bit latch
24-bit output latch
12-bit shift register
Data selector
6
7
8
9
10
11
12 13 14 15 16 17 18 19 20 21 22
23
24
25
26
27
28
29
30
31
32
33
3435363738
Serial
interface
OSC
Timing generator
key scan
Display memory
24 bits x 12 words
Key data memory
(2 x 16 bits)
Command decoder
segment driver
Grid driver
Multiplexed driver
394041424344
LED1
LED2
LED3
LED4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1/KS1 SEG2/KS2 SEG3/KS3 SEG4/KS4 SEG5/KS5 SEG6/KS6 SEG7/KS7 SEG8/KS8 SEG9/KS9
SEG10/KS10
SEG20/GRID9 SEG21/GRID8 SEG22/GRID7 SEG23/GRID6 SEG24/GRID5 GRID4 GRID3 GRID2 GRID1 VDD VSS
SEG11/KS11
SEG12/KS12
SEG13/KS13
SEG14/KS14
SEG15/KS15
SEG16/KS16
VEE
SEG17/GRID12
SEG18/GRID11
SEG19/GRID10