Roadstar LCD7080DVBT Скачать руководство пользователя страница 3

Description

Condition

Unit

Limit

Nominal

Result

Video Signal Level

75% collr bar,75ohm

Vp-p

0.7   0.1

1.0

SYNC Lever

Vp-p

0.3   0.1

0.3

Video out  lever

Vp-p

1.0   0.2

1.0

Video out  lever

Vp-p

1.0   0.2

1.0

Audio

 out  lever

1KHz/0dB

V

1.4   0.2

1.25-1.4

Signal-to-noise ratio

Infinity

Zero/-&dB/l&R

0

dB

80

80

Dynamic range

1KHz/60dB

0

dB

85

85

Power Consumption

DC 9V

Standby

W

0

0

Rating

W

10

10

SPECIFICATION

HEADPHONE

 mW

0

  3   2

3

1KHz,400mV

 OUTPUT

HEADPHONE

<1mV

 NOISE

No signal

mV

<1mV

500

500

Spk max output

L

R

1KHz/0dB

1KHz/0dB

 mW

0

 mW

0

100

500

500

100

Headphone  S/N

Spk S/N

Infinity

Zero/-&dB/l&R

0

dB

75

75

Infinity

Zero/-&dB/l&R

0

dB

50

50

.  2  .

Содержание LCD7080DVBT

Страница 1: ......

Страница 2: ...fication 2 2 Block Diagram 4 3 General Alignment Instruction 5 4 Troubleshooting 7 5 Printed Circuit Board 12 6 Explode View 13 7 IC Block Diagram and Lead Identification 29 8 Schematic Diagram 39 CON...

Страница 3: ...KHz 0dB V 1 4 0 2 1 25 1 4 Signal to noise ratio Infinity Zero dB l R 0dB 80 80 Dynamic range 1KHz 60dB 0dB 85 85 Power Consumption DC 9V Standby W 0 0 Rating W 10 10 SPECIFICATION HEADPHONE mW 0 3 2...

Страница 4: ...Vx1827 7 INCH LCD PANEL A 8430 T DC DC M 1206 P HIGH VOLTAGE OSC 4 2 7 6 H V TRAN BLOCK DIAGRAM LCD MAIN PART 656 D0 656 D7 656 D0 656 D7 CCIR0 CCIR7 3...

Страница 5: ...GENERAL ALIGNMENT INSTRUCTION The Main PCB of Monitor Modification 1 Input voltage is 6 8V 16V input signal is test circuit BY 5418 2 Adjust VR1 to get good performance 4...

Страница 6: ...the unit Power button defective Replace power source Defective triode U4 Charge the position of Positive and negative Replace power button Replace U4 LS2822 2 No Picture Defective U9 SDRAM Replace U11...

Страница 7: ...PRINTED CIRCUIT BOARD Monitor HV PCB Top View Bottom View 6...

Страница 8: ...PRINTED CIRCUIT BOARD Main PCB Top View 7...

Страница 9: ...PRINTED CIRCUIT BOARD Main PCB Top View 8...

Страница 10: ...EXPLODED VIEW 9...

Страница 11: ...IC BLOCK DIAGRAM DESCRIPTION Vx1827 10...

Страница 12: ...IC BLOCK DIAGRAM DESCRIPTION Vx1827 11...

Страница 13: ...IC BLOCK DIAGRAM DESCRIPTION A8430EEK 12...

Страница 14: ...IC BLOCK DIAGRAM DESCRIPTION8D02D S8232 13...

Страница 15: ...IC BLOCK DIAGRAM DESCRIPTION8D02D 24C02 14...

Страница 16: ...IC BLOCK DIAGRAM DESCRIPTION8D02D CS4334 15...

Страница 17: ...SCHEMA TIC DIAGRAMS TFT POWER 16...

Страница 18: ...SCHEMA TIC DIAGRAMS VX1827 17...

Страница 19: ...SCHEMA TIC DIAGRAMS PANEL 18...

Страница 20: ...SCHEMA TIC DIAGRAMS CHANGE 19...

Страница 21: ...SCHEMA TIC DIAGRAMS POWER 20...

Страница 22: ...SCHEMATIC DIAGRAMS CT212 21...

Страница 23: ...SCHEMA TIC DIAGRAMS AV OUT 22...

Отзывы: