Casio EV-680 Скачать руководство пользователя страница 6

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5. Remove the screw, unsolder two speaker lines (grey and orange) and then separate the PCB Assy.

grey

orange

Screw

6. Remove the tune button and separate the tuner cover.

Remove four screws and separate the upper cover while paying attention to the hook.
Remove the speaker.

Screws

Hook

Screws

Tuner button

Tuner cover

4. Remove the connector and separate the LCD Assy.

Connectors

Содержание EV-680

Страница 1: ...NC BU VIDEO1 AUDIO1 ANT TUNER TNS010US PRE AMP SAW FILTER VIF SIF M51348FP TFT CHROMA IR3Y29B TUNING BT AMP BA10358F AV JACK TFT LCD 383 234 EDTCA22QE0 INVERTER TRANS CPU93 SOURCE DRIVER SOURCE DRIVER...

Страница 2: ...ent 7 VCOM DC coarse adjustment 8 TINT adjustment 9 VCOM DC adjustment Preparations 1 For the above 1 8 adjustments connect JACK P300 to the ground 0V 2 Set SW100 on UHF mode Adjustment And Test Point...

Страница 3: ...9 PRINTED CIRCUIT BOARDS K671B DP PCB TOP VIEW K671B TU PCB...

Страница 4: ...10 BOTTOM VIEW K671B DP PCB K671B TU PCB...

Страница 5: ...11 DISASSEMBLY 2 Remove the stand and the battery cover 1 Remove the screw and the antenna Screw 3 Remove four screws and separate the side panel and the knob Screws Side panel...

Страница 6: ...PCB Assy grey orange Screw 6 Remove the tune button and separate the tuner cover Remove four screws and separate the upper cover while paying attention to the hook Remove the speaker Screws Hook Scre...

Страница 7: ...13 8 Remove the hook and disassemble the LCD Assy Hooks Hooks 7 Remove the hook unsolder the fluorescent lamp 1 and the LCD case 2 and then separate the LCD Assy Hooks 1 2 1 2...

Страница 8: ...14 EXPLODED VIEW 21 20 27 31 22 23 24 25 13 12 10 7 6 5 4 2 1 9 8 29 28 26 18 2 14 30 3 11 3 3 3 8 15 16 17 17 18 18 19 S1 S2 S3 S4 S3 S3...

Страница 9: ...6 SCHEMATIC DIAGRAMS DISPLAY PCB K671B DP Chroma Circuit Display Controller Circuit To LCD A V Jack To K671BR TU PCB Speaker Earphone Jack Audio Amplifier Circuit DC In Display Generator Voltage Circu...

Страница 10: ...17 TUNNER PCB K671B TU To K671BR DP PCB Back Light IF Detection Circuit Power Supply Circuit Antenna IF Pad Power switch 27 0 32 0 V 11 0 13 0 V 7 0 8 0 V 16 0 14 0 V 5 00 0 02 V...