Page 1
Service Manual Model MD-K777 Customer: Laser Import CODE:1.01.52252.50 _____________________________________ Approved Signature...
Page 2
MD-K777 INDEX PRODUCT SPECIFICATION PACKAGING BOX TECHNICAL SPECIFICATION CALIBRATION SCRIPT MATERIAL LIST ELECTRICAL SCHEME FRONTAL PCB LATERAL PCB CD PCB DECK PCB RADIO PCB REMOTE CONTROL PCB SILKTOP AND SOLDERS FRONTAL PCB LATERAL PCB CD PCB DECK PCB RADIO PCB...
Page 9
MD-K777 TECHNICAL SPECIFICATION AMPLIFICADOR AMPLIFIER ENTRADA: AUX./ VIDEO = 1KHz ALIMENTAÇÃO: 120V INPUT: AUX./ VIDEO = 1KHz POWER SOURCE: 120V SAÍDA: CARGAS 6 OHMS OUTPUT: OUT LOAD 6 OHMS N° Í CONDIÇÕES VALOR TÍPICO VALOR LIMITE CONDITIONS TYPI CAL VALUE LIMIT VALUE ≥...
Page 10
MD-K777 RÁDIO FM FM RADIO MODULAÇÃO ANTENA IMPEDÂNCIA DE NÍVEL PADRÃO DE ENTRADA MODULATI ON ANTENNA ENTRADA STANDARD INPUT LEVEL IMPEDANCE OF IMPUT MONO: 1kHz, DESVIO: 75kHz DUMMY DA VI MONO: 1KHz, DEVIATION: 75kHz ACOPLAGEM DIRETA ESTÉREO: L + R, 37,5kHz...
Page 11
MD-K777 RÁDIO AM AM RADIO NÍVEL PADRÃO DE ENTRADA: 74dBµV, MODULAÇÃO 30% 400Hz, ANTENA LOOP STANDARD INPUT LEVEL : 74dBµV, MODULATION: 30% 400Hz, ANTENNA LOOP CONDIÇÕES N° ITEM VALOR TÍPICO VALOR LIMITE CONDITION ITEM TYPICAL VALUE LIMIT VALUE MÍNIMO 520 kHz...
Page 12
MD-K777 DECK REPRODUÇÃO REPRODUCTION DECK CONDIÇÕES VALOR TÍPICO VALOR LIMITE N° ITEM CONDITION TYPICAL VALUE LIMIT VALUE ITEM W&F 0,1% 0,3% MTT 111 WOW & FLUTER 3 kHz ± 3% 3 kHz ± 6% FREQ. 125Hz MTT 117 RESPOSTA EM ±...
Page 13
MD-K777 CONDIÇÕES N° ITEM VALOR TÍPICO VALOR LIMITE CONDITION ITEM TYPICAL VALUE LIMIT VALUE RELAÇÃO SINAL RUÍDO TNO 24 CD Yeds 18 70 dB 50 dB SIGNAL NOISE RELATION 125Hz TNO 04 RESPOSTA EM ± 1 dB ± 3 dB...
Page 14
MD-K777 4. CALIBRATION SCRIPT Obs.: These procedures can be used to orientation, the factory engineering can change some item for best application and improve the factoring process. FM RANGE Tunning in 87,5 MHz, and verify if is 2V in the tunning voltage (terminal 28 of IC101 with resistor of 10K in serie with the voltimeter).
Page 15
MD-K777 COMMENTS The FM signal generator has been connected in the FM input through of DUMMY DA-V. The AM signal generator has be irradiated for a LOOP antenna and captured by itself ferrite antenna of the device. As much in the calibration of AM as in the one of FM, the used tool for calibrate the coils have be of material not magnetic.
Page 16
MD-K777 5. MATERIAL LIST FRONTAL PCB CAPACITORS CODE DESCRIPTION POSITION 1380109622 ELCO 1UF/100V M 5x11mm C801 1380470324 ELCO 47UF/25V M 5X11MM C802 1380470532 ELCO 47UF/50V M 6,3X11MM C802 1491047004 CAP.SMD NP0 47PF/50V J 0603 C803 1491047004 CAP.SMD NP0 47PF/50V J 0603...
Page 35
MD-K777 CODE DESCRIPTION POSITION 1421507900 FILTRO CERAMICO 10.7MA5 CF101 1421507900 FILTRO CERAMICO 10.7MA5 CF103 1425004200 CRISTAL 7.2000MHZ HC-49U X101 1425013400 CRISTAL 7,200MHZ CL=12pF HC49S X101 1319958000 BOBINA ANTENA AM 7mm T103 1319958100 BOBINA FI AM 7mm T105 1319958300 BOBINA OSC AM 7mm...
Page 36
MD-K777 CODE DESCRIPTION POSITION 1459524000 DIODO LED INFRARED TLN115A 1459515500 DIODO LED IR LTE -3271T 1459523600 DIODO LED IR LTE -3271TLLENTEAZ 1459523800 DIODO LED IR LTE -3371TLLENTEAZ 1421508100 RESSONADOR CERAMICO 3.45MHZ 1421507400 RESS.CER.CST-3.45MGW 1380470324 ELCO 47UF/25V M 5X11MM 1040330015 ELCO 47UF/25V M...
Page 37
31(2B10) 1600015507 PAR.AA.P.PH.PP1 3,0X8 ZNP RES 6(B9) 1769900122 SACO PLASTICO 250X400X0,05 AD 1055225298 CONJ.CALÇO PROT.FRON/TRAS 1065225209 MANUAL DE INSTRUCOES MD-K777 1600068508 PAR.AA PLANA PH PP1 3X12 ZNP 32(2H9.2D1) 1584215814 CJT.CAIXA ACUSTICA CL-K777 1584215804 CAIXA ACUSTICA DIR CL-K777 1584215816 CINTA P/CX.ACUSTICA 1584215817 TAMPA TRASEIRA P/CX.ACUSTICA...
Page 39
MD-K777 CODE DESCRIPTION POSITION 1584208813 VEDACAO FRONTAL B 1675225209 EMBLEMA CCE 1876316300 ADESIVO DE BORRACHA PT 1584215803 TELA DO FALANTE 1769900121 SACO PLASTICO 650X750X0,04 BD 1065225408 ETIQ.DE IMPEDANCIA CX.ACUSTICA 1065225804 ETIQUETA DE IMPEDANCIA 1889323800 FITA ADESIVA AZUL 19X50 1889323000 FITA A.PP.BASE BORR.SINTET.MR 1584215818 VEDAÇAO PARA DUTO...
Page 40
MD-K777 ELECTRICAL SCHEME FRONTAL PCB LATERAL PCB CD PCB DECK PCB RADIO PCB REMOTE CONTROL PCB SILKTOP (S) / SOLDERS (T) FRONTAL PCB - S / T LATERAL PCB - S / T CD PCB - S / T DECK PCB - S / T...
Page 46
47uF/16V 47uF/16V ALT. ALT. P.A. P.A. DISCRIMINACAO DISCRIMINACAO VISTO VISTO DATA DATA PROJECAO PROJECAO TITULO: TITULO: ESQUEMA ELETRICO PCI CONTROLE REMOTO ESQUEMA ELETRICO PCI CONTROLE REMOTO TITLE: TITLE: CONTROL PCB ELECTRIC SCHEMATIC CONTROL PCB ELECTRIC SCHEMATIC dimensoes dimensoes NOME NOME DATA DATA MAT.
Need help?
Do you have a question about the MD-K777 and is the answer not in the manual?
Questions and answers