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Power On 1. 8082 initializes SERVO, DSP & RISC registers 2. Write RISC code to SDRAM 3. Reset RISC Show LOGO Tray Closed? Tray Close to Closed position SLED at Inner Side? SLED Moves to Inner Position 1. Judge whether have disc and disc type 2.
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TEST Check the AC Vol tage Check the POWER PART Power PCBA (110V or 220V) Switch on the Power PCBA Is the DC Voltage outputs OK? Check the POWER PART (-34V,-9V,36V,5.6V ,5V,8V,9V,2.5V, 3.3V) Are 3.3V and 5V DC Check the regulators or diode(D501). outputs normal on main PCBA? 1.
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PWM IC Check connection between received correct data IC300 ABCK, ALRCK, stream? ASDAT Normal Check the related circuit of PWM IC out?(IC300) PWM.(Check Audio out Pins52, 54, 55, 59,62, 68 Check Digital Amp circuit (IC301, IC302)
SECTION 5. SPEAKER SECTION • MODEL : LHS-25SCS A800 A : LGEMS(MEXICO) , LGEPS(PANAMA) , LGEPR(PERU) , LGECL(CHILE) A : PETERSBURG(LITHUANIA) , SAKAL(ISRAEL) , B : LGECB(COLOMBIA) LOCA. NO. PART NO. B DESCRIPTION SPECIFICATION 3701RM0168A O NET ASSEMBLY SPK LHS-25SCS NET ASSY 6400GSMB02A O SPEAKER,FULLRANGE MSF-66SB30L SAMMI FULL-RANGE(G...
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• MODEL : LHS-25SCW A900 LOCA. NO. PART NO. DESCRIPTION SPECIFICATION 3720RMF085D PANEL,FRONT SPK LHS-25SCW MOLD S33-740-A32 5208RM0056B DUCT SPK LHS-25SCW OTHER PAPER PIPE 4766RM0097A FELT INSIDE 65 MM, OUTSIDE 85MM,THI 3701RM0060A NET ASSEMBLY SPK LHS-D6235W NET ASSY STANDA 353M050C SCREW,DRAWING BH 3.5X16 FBK 6400WSMH01A...
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