Grundig MCD 46 - Circuit Diagrams and Layout of Pcbs; IC-Innenbeschaltungen

MCD 46 Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
GRUNDIG Service 2 - 1
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
IC-Innenbeschaltungen / IC Block Diagrams
30k
30k
V
ref
Error
Amp
PWM
Comparator
NON
INVERT
INPUT
INVERT
INPUT
POWER
SW
1/2 V
ref V ref N. C.
V
CC
FEED
BACK
D - TIME
CONT
N. C.OUTC
T
RT
GND
14
13 12 11 10 9
8
1234567
+ −
Voltage
Regulator
Triangle
Oscillator
IC 700 / BA 9700 AF
IC 500 / BA 6791 FP
30kΩ
30kΩ
30kΩ
30kΩ
Control
IN1
V
CC VS2 VS1
OUT1
OUT2
IN2
30kΩ
30kΩ
30kΩ
30kΩ
Control
IN3
IN4
V
CONT
OUT3
OUT4
GND
GND
Thermal
shutdown
1
2
3
4
5
7
6
8
9
10
11
12
13
14
IC 501 / LB 1836 M