Sanyo DC-DVD888 Service Manual page 56

IC BLOCK DIAGRAM & DESCRIPTION
IC502 M51953BFP(RESET)
POWER
NC SUPPLY
8 7
M51953BFP
1 2
NC NC
POWER
SUPPLY
7
R1
5 A
R2
1.25V
4
GND
IC550 LE28C1001ATS(FLASH MEMORY)
A16~A0
10~20
Address
Buffers
&
Latches
CE 30
32
OE
Control Logic
WE 7
A11 1
A9
2
A8 3
A13
4
A14 5
NC
6
WE 7
Vcc
8
NC
9
A16
10
A15 11
A12
12
A7 13
A6 14
A5 15
A4 16
OUTER
OUT DELAY
PUT CAPACITY
6 5
3 4
NC GND
OUTPUT
6
5
OUTER DELAY
CAPACITY
1 2 3 8 TERMINAL:NC
(CD)
1,048,576 bit
X-
Super Flash
Decoder
EEPROM
Cell Array
Y-Decoder
I/O Buffers &
Data Latches
29~25,23~21
DQ7~DQ0
32 Pin TSOP Normal
(Top View)
IC211 TA8176SN(FM Frontend)
5
Vcc
Vcc
AGC
1
BY-PASS 2
RF IN 3
IC437 BH3544F
OUT1
Pin Name
A16-A0 Address Inputs
DQ7-DQ0 Data Input/Output
CE Chip Enable
OE Output Enable
WE Write Enable
Vcc Power Supply
Vss Ground
NC No Connection
32 OE
A10
31
30 CE
DQ7
29
28 DQ6
DQ5
27
26 DQ4
DQ3
25
Vss
24
DQ2
23
22 DQ1
DQ0
21
20 A0
19 A1
18 A2
17 A3
- 62 -
9 4
7 8
IF
Buffer
MIXER Buffer
Amp
Buffer
BIAS
AGC DET
VCC OUT2 BIAS
8 6
7
BIAS
6dB
90k
TSD
6dB
90k
MUTE
3
1 2
MUTE IN1
6 10
Local
11
OSC
OSC
12 BUFFER
OUT
IN2
5
4
GND