12. PRINTED CIRCUIT BOARD

1. CIRCUIT CHECK PROCEDURE

1) Low voltage transformer check

The low voltage transformer is located on the P.C.B.

Measuring condition: Input voltage: 230 V / Frequency: 50Hz

Terminal

Voltage(load)

Voltage(no load)

6

¦ ¡ 7

AC 17.0V

AC 19.9V

8

¦ ¡ 9

AC 1.3V

AC 1.6V

9 ¦ ¡ 10

AC 1.3V

AC 1.6V

NOTE1: Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power source voltage.

NOTE2: The allowable tolerance of the secondary voltage is within± 5% of nominal voltage.

2)Voltage Check

- Key check point

NO

CHECK POINT

 

 

 

 

 

 

 

1

IC1 PIN 63,64

5VDC ± 5%

 

2

IC1 PIN 38

5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0V

 

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC1 PIN 33 or 34

5V

3

0V

T

REMARK

T : 20 ms(50Hz)

T : 250 ns(4MHz)

- Check method

 

 

 

NO

MEASURE

WAVE FORM

REMEDY

REMARK

POINT

 

 

 

 

1

MP1

DC 5V ± 5%

Replace ZD3, EC1,

No load

2

MP2

DC 24V ± 20%

Replace D20-23, EC6

No load

NOTE : Each measure point must be measured with GND points.

: The marks of the abovecorrespendig voltage (+5V,+24V) are written on the PCB.

32

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Daewoo KOC-1B0K0S service manual Printed Circuit Board
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KOC-1B0K0S specifications

The Daewoo KOC-1B0K0S is a remarkable offering in the category of compact vehicles, blending functionality with contemporary design. It has been engineered to cater to a diverse range of consumers looking for efficiency, comfort, and modern technology, establishing itself as a reliable choice for urban driving.

At the heart of the KOC-1B0K0S lies a robust engine that balances power and efficiency. The vehicle typically features a 1.0-liter turbocharged engine, which delivers an exhilarating driving experience while maintaining impressive fuel economy. This engine is paired with a smooth automatic transmission that enhances the driving experience, ensuring seamless transitions between gears and optimal performance in varied conditions.

One of the standout characteristics of the KOC-1B0K0S is its compact design, allowing for effortless maneuverability in crowded city environments. The vehicle’s dimensions make parking and navigation through narrow streets a breeze, catering perfectly to urban dwellers who prioritize convenience.

The interior of the KOC-1B0K0S is designed with passenger comfort in mind. It comes equipped with high-quality materials and a user-friendly layout. The seating is spacious and supportive, providing ample legroom for both front and rear passengers. Additionally, the vehicle is complemented by a modern infotainment system, featuring a touchscreen display that integrates seamlessly with smartphones for enhanced connectivity through Bluetooth and USB options.

Safety features are paramount in the KOC-1B0K0S, which includes advanced technologies such as multiple airbags, stability control, and anti-lock braking systems. These features work together to provide a secure driving environment, allowing drivers and passengers to travel with peace of mind.

The vehicle also boasts advanced driver-assistance technologies, which may include lane departure warning, adaptive cruise control, and parking assistance systems, making it a forward-thinking option for tech-savvy consumers. These innovations not only enhance safety but also promote a more enjoyable driving experience.

In conclusion, the Daewoo KOC-1B0K0S stands out in the crowded compact vehicle market with its impressive combination of performance, comfort, and advanced technology. Its efficient engine, thoughtful design, and focus on safety make it an appealing choice for those seeking a versatile solution for their daily commuting needs.
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