Ic Explanation - Mitsubishi Electric Dy-2X64Wt-2-Th Service Manual

IC EXPLANATION

IC802
IC3A1 LA4742
IC803
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BR93LC56FV
1
CS
Instruction decode
Control
Clock generation
2
SK
Instruction
3
DI
register
4
DO Dummy bit
16 14 13
Muting &
ON Time Control
Circuit
Protective
circuit
24 23 21 18
PST-3436
VDD 2
Vref
4
VSS
search engine
Voltage power supply
detection
Writing
prohibition
Address Address
7 bit
buffer decoder
Data R/W
16 bit
register amp.
1 15 10 4 12
Ripple Stand by
Filter Switch
Mute Aux
circuit circuit
19 17 22 2
13
High voltage
generator
7 bit
2,048 bit
EEPROM array
16 bit
25 11
Clip
Detect
Circuit
Protective
circuit
3 5 8 7 9
1 VOUT
6 Vcc1/2
20 Vcc3/4