
17
AK53 D.O.C. Service Manual
22/03/2004
33, 35, 38, 40,
44, 46, 49, 51,
34, 36, 39, 41,
45, 49, 51, 34,
36, 39, 41, 45,
47, 50, 52
F2, E2, G3, E4,
E5, G5, G6, H7,
E1, E3, F3, F4,
F5, H5, G7, E7
DQ0–
DQ15
Input/
Output
Data I/O: Data output pins during any READ operation or
data input pins during a WRITE. DQ8–DQ15 are not used
in byte mode (BYTE = LOW).
53
E8
STS
Output
Status: Indicates the status of the ISM. When configured in
level mode (default), STS acts as a RY/BY# pin. When
configured in its pulse mode, it can pulse to indicate
program and/or erase completion. Tie STS to V
CC
Q
through a pull-up resistor.
43
G4
V
CC
Q
Supply
V
CC
Q controls the output voltages. To obtain output voltage
compatible with system data bus voltages, connect V
CC
Q
to the system supply voltage.
9, 37
H3, A6
V
CC
Supply
Power Supply: 2.7V to 3.6V.
21, 42, 48
B2, H4, H6
V
SS
Supply
Ground.
56
H8
NC
—
No Connect: These may be driven or left unconnected. Pin
1 and ball A8 are NCs on the 32Mb device. Pin 30 and ball
G1 are NCs on the 32Mb and 64Mb devices.
—
B6, C6, D5, D6,
E6, F6, F7, H2
DNU
—
Do Not Use: Must float to minimize noise.
Summary of Contents for 32LF-94EC
Page 7: ...7 32LF 94EC CHASSIS LAYOUT Mother Unit Front Unit SW Keyboard FAV ...
Page 8: ...8 32LF 94EC Digital Module Unit CRT Socket Unit ...
Page 21: ...AK53 D O C SERVICE MANUAL RELEASE DATE 22 03 2004 PREPARED BY VESTEL ELECTRONICS ...
Page 22: ...Overall Block Diagram ...
Page 74: ...50 AK53 DOC Service Manual 22 03 2004 16 BLOCK DIAGRAM ...
Page 75: ...51 AK53 DOC Service Manual 22 03 2004 17 CIRCUIT DIAGRAMS 11AK53 1 SMALL SIGNAL ...
Page 76: ...52 AK53 DOC Service Manual 22 03 2004 11AK53 2 SMPS ...
Page 77: ...53 AK53 DOC Service Manual 22 03 2004 11AK53 3 DEFLECTION ...
Page 78: ...54 AK53 DOC Service Manual 22 03 2004 11AK53 4 AUDIO POWER AMPLIFIER ...
Page 79: ...55 AK53 DOC Service Manual 22 03 2004 11FB53 1 STEP DOWN CONVERTER PLUS SUPPLY ...
Page 80: ...56 AK53 DOC Service Manual 22 03 2004 11FB53 2 AUDIO VIDEO SWITCHING IF ...
Page 81: ...57 AK53 DOC Service Manual 22 03 2004 11FB53 3 VIDEO AUDIO DEFLECTION MICRO PROCESSING ...
Page 82: ...58 AK53 DOC Service Manual 22 03 2004 11TP53 ...