Daewoo DWC-121R Service Manual page 30

(3) U2(TD62004AP) DARLINGTON ARRAYS
IN1 1
IN2 2
IN3 3
IN4 4
IN5 5
IN6 6
IN7 7
GND 8
(4) U7 (7805CT): VOLTAGE REGULATOR (5VDC)
TSUFFIX
PLAASTIC PACKAGE
CASE 221A
TO-220TYPE
1
2
3
Pin 1. INPUT
2. GROUND
3. OUTPUT
(5) U6 (7812ACT): VOLTAGE REGULATOR (12VDC)
Pin 1. INPUT
2. GROUND
3. OUTPUT
16 OUT 1
15 OUT 2
14 OUT 3
13 OUT 4
12 OUT 5
11 OUT 6
10 OUT 7
9 COMMON FREE
WHEELING DIODES
(Top View)
SCHEMATIC DIAGRAM
100
100
100K 500
3.3
K
6K
1.4
2.7
30pF
28K
K
K
500
6K
1K 5K
10K 10K
300
36K
64K
50K
520
40
pF
60K
26K
29K
20K
20K
(Equivalent Ciircuit)
29
KID65004AP
10.5K
7.2K 3K
(Equivalent Circuit)
INPUT
10K
240
200
0.3
OUTPUT
2K
0.19K
Fin 2 is ground
for Cose 221A.
5K
Case is ground
for Case 1.
GND
INPUT
210
16K
100
200
300
012
50 200
OUTPUT
GND
COM