Sony HCD-DX255 User Manual

58
HCD-DX155/DX255
– FL Board –
IC802 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
– RELAY Board –
IC701, IC711 BA6956AN
1 2 3 4 5 6 7 8 9
CONTROL LOGIC
TSD
VREF
OUT2 OUT1
RNF
VM
VCC
FIN
GND
RIN

Sony HCD-DX255 Specifications

General

Brand	Sony
Model	HCD-DX255
Category	Receiver
Language	English