Ic Explanation - Mitsubishi DY-2X64WT-2-TH Service Manual

IC EXPLANATION

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