Toshiba BDX2500KU Service Manual - Page 33
IC5101 TC58NVG1S3ETA, IC8001, IC8002 MP2307DN
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IC5101 TC58NVG1S3ETA I/O1 to I/O8 I/O Control circuit Status register Address register Command register CE CLE ALE WE RE WP RY/BY Logic control RY/BY Control circuit HV generator Vcc Vss Column buffer Column decoder Data register Sense amp Memory cell array S Row address buffer decoder Row address decoder IC8001, IC8002 MP2307DN + 1.1V - FB 5 + 0.3V - SS 8 + 0.925V + OVP RAMP OSCILLATOR S CLK 100/340kHz CURRENT SENSE AMPLIFIER + - ERROR AMPLIFIER 6µA - S Q RQ + CURRENT COMPARATOR 2 IN 5V 1 BS M1 0.1W 3 SW M2 0.1W COMP 6 + - EN 7 2.5V EN OK LOCKOUT COMPARATOR 7V Zener 1.5V + - SHUTDOWN COMPARATOR 1.2V 4 GND OVP IN
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IC5101 TC58NVG1S3ETA
I/O
Control circuit
Logic control
CE
CLE
ALE
WE
RE
WP
I/O1
to
I/O8
RY/BY
RY/BY
Control circuit
Command register
Address register
Status register
Column buffer
Column decoder
Data register
Sense amp
Memory cell array
Row address buffer
decoder
Row address decoder
HV generator
Vcc Vss
5-9
S
OSCILLATOR
100/340kHz
S
Q
R
Q
+
-
+
-
+
-
+
-
-
+
+
INTERNAL
REGULATORS
IN
5
FB
SS
8
+
-
1.1V
0.3V
2
1
3
4
-
+
6
EN OK
7
1.2V
CURRENT
COMPARATOR
M2
0.1
W
M1
0.1
W
IN
BS
SW
GND
OVP
IN<4.10V
CLK
RAMP
CURRENT
SENSE
AMPLIFIER
COMP
EN
0925V
.
2.5V
1.5V
ERROR
AMPLIFIER
LOCKOUT
COMPARATOR
SHUTDOWN
COMPARATOR
OVP
6µA
5V
S
7V
Zener
IC8001, IC8002 MP2307DN