Sony ICF-DVD57TV Service Manual page 58

ICF-DVD57TV
IC1801 MP1015EF-LF-Z
BRIGHTNESS
ABRT 1
CONTROL
IL 2
BLOCK
CONTROL LOGIC
MODE
BOSC 3
&
CONTROL
THERMAL
DBRT 4
BLOCK
SHUT DOWN
EN 5
DRV 6
BATT 7
DRIVER
BLOCK
OUTL 8
PGND 9
BTL 10
IC1901 BA9743AFV-E2
CT 1
TRIANGLE
VREF
RT 2
OSCILLATOR
ERROR AMP 1
NON1 3
+
VREF
–
4
INV1
FB1 5
S.C.P. COMP
+
+
–
PWM COMP1
–
+
+
6
DT1
PWM COMP2
–
+
+
OUT1 7
GND 8
58
20 AGND
FEED BACK
19 ISFB
CONTROL
VLFB
18
BLOCK
17 FT
COMP
16
VREF 15 REF
14 BATT
DRIVER
BLOCK
13 OUTR
12 PGND
11 BTR
R S R
U.V.L.O. TIMER LATCH
16
VREF
15
REFERENCE
VOLTAGE
ERROR AMP 2
14
+
–
13
12
11
10
9
VREF
SCP
NON2
INV2
FB2
DT2
OUT2
VCC