Ic Block Diagram - Aiwa SX-DV1 Service Manual

IC BLOCK DIAGRAM -3/3

QQ
3 7 63 1515 0
IC, TEA1507P
1
V CC
M-level
S1
2
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GND
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3
−1
CTRL
2.5 V
burst
detect
TE
L 13942296513
www
.
http://www.xiaoyu163.com
SUPPLY
MANAGEMENT
internal UVLO start
supply
VOLTAGE
CONTROLLED
OSCILLATOR
FREQUENCY
CONTROL
OVER-
TEMPERATURE
PROTECTION
POWER-ON
RESET
UVLO
MAXIMUM
ON-TIME
PROTECTION
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i
http://www.xiaoyu163.com
2 9
8
START-UP
CURRENT SOURCE
VALLEY
LOGIC
100 mV
LOGIC
DRIVER
LEB
S Q
blank
R Q
OCP
short
winding
Q Q
3 6 7 1 3 1 5
co
.
-32-
9 4 2 8
clamp
OVER-
VOLTAGE
PROTECTION
I ss
soft
start
S2
0.75 V
0 5 8 2 9 9 4 2 8
OVERPOWER
PROTECTION
m
XA-DV1
9 9
8
DRAIN
7 HVS
n.c.
4
DEM
6
DRIVER
0.5 V
5
Sense
9 9