Skyworth CV59SH-APW-12 Schematic

SERVICE MANUAL

32E8D CHASSIS

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Note

Update Instruction---------------------------------------------------------33

Note--------------------------------------------------------------------------------------------------------------2

Te chnical Specification----------------------------------------------------------------------------------------3

Chassis Block Diagram----------------------------------------------------------------------------------------8

IC Block D iagram--------------------------------------------------------------------------------------------9

Main PCB Top/Bottom Layer--------------------------------------------------------------------------------11

Circuit Diagram------------------------------------------------------------------------------------------------15

Trouble Shooting----------------------------------------------------------------------------------------------25

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Technical Specification

32E8D

1.Application Area:
This product standard is used for LCD 32E9A chassis.

2.Specification:
All the standard are measured under following conditions without other specification.

2.1 Ambient Temperature:20+/-5

2.2 Relative Humidity:65+/-10%

2.3 Power Supply Voltage: Standard Input Voltage(110V~240Vac 50/60Hz)

2.4 Adjust after 20 minutes warm-up.

3.Test and check method:

3.1 Capability:According to nation test standard

3.2 Safety:_______ standard

EMC:_______ standard

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Technical Specification

1.General Specification

No Item Specification Remark

1. Receiving and senting method PAL,SECAM,NTSC

2. Receive Channel VHF (45.25MHz~423.25MHz)
UHF (431.25MHz~863.25MHz)

3. Input Voltage 100-240V 50/60HZ

4. Market

5. Picture Size 32

6. Tuning System PLL System

7. Operating Environment 1) Temp:0~40 deg

2) Humidity : 40 ~ 80%

8. Storage Environment 3) Temp : -10 ~ 50 deg

4) Humidity : 30 ~ 80 %

2.Feature and Function

No Item Specification Remark

1. CCD NO

2. REMOCON

3. AV Input 1 REAR

4. Component input 1 REAR

5. AV Output 1 REAR

6. PC Audio Input 1 REAR

7. VGA Input 1 REAR

8. EARPHONE Out 1 REAR

9. USB SLOT In 1 REAR

10. CI SLOT In NO

11. HDMI Input 2 REAR

12. SCART Input NO

13. Film Mode YES

14. Noise Reduction YES

15. Progressive Scan YES

16. Motion Detection NO

17. Dolby Virtual NO

18. Swivel Speaker NO

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Technical Specification

3.Safety and Regulation

No Item Min Typ Max Unit Remark

1. Force Stability – Incline Plane Tip Test deg

2. Force Stability – Level Tip Test N

3. Isolation Gap, AC-AC/ AC-DC 3 mm

4. Isolation Gap, 6 mm

5. Power Consumption, Max W

6. Power Consumption, Stand by 0.2 W

7. Power Consumption, Current harmonics

8. Dielectric Voltage 3 kV

9. Isolation Resistance 4 M

10. Leakage Current mApp

11. Power Cord Captivity kg

12. Flammability – Back Cover

13. Sharp Edge

14. UL Compliance

15. FCC Compliance

16. CDRH Radiation Compliance

17. CSA Compliance

18. CEB Compliance

19. CE Compliance

20. CB Compliance

4.Video

No Item Min Typ Max Unit Remark

1. Linearity Distortion, Vertical %

2. Linearity Distortion, Horizontal %

3. Trapezoidal Distortion, Vertical %

4. Trapezoidal Distortion, Horizontal %

5. Over Scan, Vertical %

6. Over Scan, Horizontal %

7. Brightness, Maximum

8. Video Noise Limited

Sensitivity(@S/N=30db) VHF

9. Video Noise Limited

Sensitivity(@S/N=30db) UHF

10. Selectivity -1.5M 40 dB

11. Selectivity +8M 50 dB

12. Tuning Range -0.7 MHz

13. Resolution Horizontal Lines

cd/m
dBm

dBm

2

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Technical Specification

14. ResolutionVertical Lines

5.Chroma

No Item Min Typ Max Unit Remark

1. Purity (mislanding) um

2. Convergence mm

3. White Balance, X axis

4. White Balance, Yaxis

5. White Balance

Color Temperature

6. Color Sensitivity 30 dB

7. Video Input

color sensitivity

PAL 0
SECAM 0

10
10

6.Audio

kdeg 9000kdeg(288,295)

13000kdeg(268,273)
9300kdeg(281,311)
6500kdeg(313,329)

No Item Min Typ Max Unit Remark

1. Audio Noise Limited Sensitivity, VHF-L dBm

2. Audio Noise Limited Sensitivity, VHF-L dBm

3. Audio Noise Limited Sensitivity, UHF dBm

4. Buzz (S/N Ratio) dB

5. Min. Volume Hum mV

6. Distortion 10 %

7. Audio Output, L/R,at 7 % THD W

8. Audio Output, Center W

9. Audio Output, Woofer W

10. Stereo Separation dB

11. Speaker Impedance 8 ohm

12. Speaker Power Rating 8 W

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Technical Specification

7.Power

No Item Min Typ Max Unit Remark

1. AC Power Shut Down Voltage V

2. DC Voltage, CRT Drive V

3. DC Voltage, FBT Drive V

4. DC Voltage, Audio 12 V

5. DC Voltage, Vertical + V

6. DC Voltage, Vertical - V

7. DC Voltage, VCD(8) V

8. DC Voltage, VCD(5) V

9. DC Voltage, Tuner(3) 3.3 V

10. DC Voltage, Tuning(32) V

11. DC Voltage, MICOM(5) V

12. DC Voltage, MICOM(5) V

13. CRT Heater Voltage V

14. High Voltage kV

15. High Voltage Regulation kV

16. Beam Current mA

8.External Interface

No Item Min Typ Max Unit Remark

1. Video Input Level 1 Vpp 75ohm

2. Video Input Frequency Response 4.5 MHz

3. Video Input S/N dB

4. Audio Input Level 0.5 Vrms

5. Audio Input Frequency Response 15 kHz

6. Audio Input S/N dB

7. Audio Input Distortion %

8. Audio Input Dynamic Range V

9. Video Output Level(With Load ) 1 Vpp 75ohm

10. Video Output Frequency Response 4.5 MHz

11. Video Output S/N dB

12. Audio Output Level(With Load ) 0.5 Vrms

13. Audio Output Frequency Response 15 kHz

14. Audio Output S/N dB

15. Audio Output Distortion %

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Chassis Block Diagram

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IC Block Diagram

U11 TSUMV59XUS-Z1 single chip solution for analog TV system Block Diagram

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IC Block Diagram

U11 TSUMV59XUS-Z1 single chip solution for analog TV system Pin Diagram

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