Sanyo DC-TS780 - Initial Setup and Settings; Setting Language Options; Setting Display Options; Configuring TV Aspect Ratio

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IC BLOCK DIAGRAM & DESCRIPTION
IC131 M11L416256SA-35T(256k x 16 DRAM)
PIN DESCRIPTIONS
PIN NO. PIN NAME TYPE DESCRIPTION
16~19,22~26 A0~A8 Input
Address Input
Row Address : A0~A8
Column Address : A0~A
8
14
RAS
Input Row Address Strobe
28
CASH
Input Column Address Strobe / Upper Byte Control
29
CASL
Input Column Address Strobe / Lower Byte Control
13
WE
Input Write Enable
27
OE
Input Output Enable
2~5,7~10,31~34,36~39 I/O0 ~ I/O15 Input / Output Data Input / Out
put
1,6,20 V
CC
Supply Power, 3.3V
21,35,40 V
SS
Ground Ground
11,12,15,30 NC - No Conne
ct
CONTROL
LOGIC
DATA-IN BUFFER
CLOCK
GENERATOR
DATA-OUT
BUFFER
COLUMN
ADDRESS
BUFFER
REFRESH
CONTROLER
REFRESH
COUNTER
ROW.
AD DRESS
BUFFERS(9)
9
A0
A1
A2
A3
A4
A5
A6
A7
COLUMN
DECODE
R
OE
16
ROW DECODE
R
512 x 512 x 16
MEMORY
ARRAY
16
SENSE AMPLIFIERS
I/O GATING
8
512 x 16
V
CC
V
SS
IO0
:
IO15
RA
S
CAS
H
512
512
9
9
9
9
9
CAS
L
V
BB
GENERATOR
WE
16
A8
IC402 KA78R12STU(Regulator)
OVERVOLTAGE
PROTECTION
SOA PROTECTION
THERMAL SHUTDOWN
BANDGAP REFERENCE
1Vin
4Vdis
2
V
O
3
GND
OUTPUT
ON/OFF
SHORT-CIRCUIT
PROTECTION
HIGH/LOW
1.4V
R1
R2
Q1
IC410,411 PQ1CG21H2RZ(Regulator)
+
-
+
-
1 2
5
4
3
Overcurrent
detection
circuit
Overheat
detection
circuit
COM
V
IN V OUT
ON/OFF
Oadj
OSC
ON/OFF
Circuit
Soft start
Constant-
voltage
circuit
Q
R
S