Sony HBD-E190 Service Manual page 59

IC6401 MFI341S2162 (MB148 BOARD (4/9)) (except E190, E290/E490/E690: Russian model)
NC 1
MODE1 2
NC 3
RESET 4
VCC 5
NC 6
NC 7
Internal address bus
8
NC
NC 9
10
NC
Power-on
reset circuit
On-chip
oscillator
IC03 PT6315LQ (PANEL BOARD)
LED1 1
LED2 2
LED3 3
LED4 4
OSC 5 OSC
DOUT 6
DIN 7
SERIAL
INTERFACE
CLK 8
STB 9
K1 10
11
K2
I/O port
HB/300H CPU
RNG
System control
WDT
FMU
Security logic
Voltage monitoring circuit
ROM (112 kbytes)
RAM (4 kbytes)
EEPROM (16 kbytes + 2 kbytes)
Interval timer 1
Interval timer 2
Modular multiplication Register
coprocessor (612 bytes)
44 43
4-BIT LATCH
12-BIT SHIFT
REGISTER
KEY DATA MEMORY
(2 x 16 BITS)
TIMING GENERATOR
KEY SCAN
DISPLAY MEMORY 24-BIT OUTPUT
24 BITS x 12 WORDS LATCH
COMMAND DIMMING
DECODER CIRCUIT
12 13
HBD-E190/E290/E490/E690
Internal data bus
42 41 40 39 38 37 36
12 4
GRID
DRIVER
8
8
DATA MULTIPLEXED
SELECTOR DRIVER
8
24 16
SEGMENT
DRIVER
14 15 16 17 18 19 20
20 NC
19 NC
18 NC
17 NC
16 NC
15 NC
14 MODE0
13 12C_SDA
12 12C_SCL
11 VSS
35 34
4
33 GR10
32 GR11
31 GR12
8
30 VEE
29 SG16
28 SG15
27 SG14
16
26 SG13
25 SG12
24 SG11
23 SG10
21 22
Ver. 1.2
59