Circuit Diagrams And Layout Of Pcbs; Ic Block Diagrams - Grundig MCD 46 Serviceanleitung

MCD 46
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
IC-Innenbeschaltungen / IC Block Diagrams
IC 501 / LB 1836 M
1
V
CC
30kΩ
2
IN1
30kΩ
30kΩ
6
IN2
30kΩ
Thermal
shutdown
30kΩ
13
IN3
30kΩ
30kΩ
9
IN4
30kΩ
V
8
IC 500 / BA 6791 FP
GRUNDIG Service
11 4
V V
S2 S1
3
OUT1
OUT2
5
12
OUT3
OUT4
10
7
GND
14
GND
CONT
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
IC 700 / BA 9700 AF
NON
INVERT INVERT
1/2 V
INPUT INPUT
ref
14 13 12
+ −
Error
Amp
PWM
Comparator
Triangle
Oscillator
1 2 3
C
D - TIME R
T
T
CONT
POWER
SW
V N. C.
ref
11 10 9
Voltage
Regulator
30k
30k
V
ref
4 5 6
FEED OUT N. C.
BACK
V
CC
8
7
GND
2 - 1