Service manual SC-150

Pin

Symbol

Function

19

VSW

AFC switch

20, 21

VVCO

VCO circuit

22

VAFC

AFC output

23

VS

Supply voltage

24

VO, FM

Intercarrier output

25

VO, AM

AF output-AM sound

26

RCOMP

Offset compensation

27, 28

Vi,SIF2

SIF2 input (symmetrical)

4-3-4 Block diagram

 

Offset

 

Loop

 

 

l' switch

 

 

 

comp.

 

filter

VCO

 

 

 

 

(optional)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

18

20

21

14

 

 

 

 

 

 

 

VCO

Control

 

 

 

 

FPLL

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

phase shift

 

19

 

 

 

 

 

 

 

 

AFC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AFC

 

switch

 

 

 

 

 

 

22

 

 

 

 

 

 

 

 

AFC

 

 

 

 

 

 

 

 

 

6

VIF amp

 

 

 

 

 

 

 

 

 

 

 

 

 

VIF

7

 

 

 

 

 

 

Video

CAGC

 

 

 

Video det.

 

 

 

 

8

 

 

 

 

 

 

Standard

 

 

AGC

 

 

 

 

13

 

 

 

 

 

 

switch

 

15

 

 

 

Standard

 

 

(VIF)

 

 

 

 

 

 

 

 

 

 

 

 

CBL

 

 

 

 

 

 

 

Tuner

11

 

 

 

 

 

23

V

 

 

 

 

 

 

 

 

 

10

Tuner

 

 

Supply

 

17

 

 

AGC

 

 

 

 

 

 

 

 

 

 

 

 

Take over

 

 

 

 

FM det.

 

 

Cref

point

 

 

 

 

 

 

 

27

 

 

 

 

 

 

 

 

 

 

 

 

 

24

 

 

 

 

 

 

 

 

 

SIF 2

28

 

 

 

 

 

 

Intercarrier

 

 

 

SIF amp

 

 

 

(FM/NICAM)

SIF input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

switch

3

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

SIF 1

2

 

AGC

 

 

 

25

AF

 

 

 

(SIF)

 

 

 

 

(AM)

 

5

 

 

 

AM det.

 

4,9,16

CAGC

 

 

 

 

 

 

 

-29-

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Image 30
Daewoo DSC-3220E/3220L service manual Pin Symbol Function

DSC-3220E/3220L specifications

The Daewoo DSC-3220E/3220L is a noteworthy addition to the lineup of high-efficiency air conditioning solutions, specifically crafted to meet the demands of varying climatic conditions. With a blend of innovative technologies and robust design, these models stand out in the realm of home and commercial air conditioning.

One of the main features of the DSC-3220E/3220L is its efficient cooling performance. The units are built with advanced rotary compressors, which are designed to operate efficiently while providing powerful cooling capabilities. This allows for quick temperature adjustments, making it an ideal choice for those who seek rapid relief from heat.

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