Sony ICF-DVD57TV Service Manual page 55

IC502 TC4066BFT (EL, N)
14 13 12 11 10 9 8
1 2 3 4 5 6 7
IC905 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
– MONITOR Board –
IC1451 BR24C04F-WE2
4096bit EEPROM ARRAY
9bit
ADDRESS
DECODER
A0 (NC) 1
A1 2
CONTROL CIRCUIT
A2
3
GND 4
HIGH–VOLTAGE
GENERATOR VOLTAGE DETECTOR
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S R
R
U.V.L.O. TIMER LATCH
VREF
REFERENCE
VOLTAGE
ERROR AMP 2
+
–
SLAVE/ WORD DATA
ADDRESS REGISTER REGISTER
8
7
6
5
ACK
POWER SUPPLY
16
VREF
15 SCP
14 NON2
13 INV2
12 FB2
11
DT2
10 OUT2
9
VCC
VCC
TEST
SCL
SDA
ICF-DVD57TV
55