Vitek VT-3629 AX6392USB free download

File name VT-3629_AX6392USB_.pdf

SERVICE MANUAL MODEL: AX6392N(OIRT) MENU CHAPTER TITLE PAGE NO. 1. MEASURMENT GUIDELINE AND DATA 1.1 MEASURMENT CONDITION 3 1.2 MEASURMENT DATA 1.2.1 FM SECTION 4 1.2.2 FM(OIRT BAND) SECTION 5 1.2.3 AM SECTION 6 1.2.4 CD SECTION 7 2 SCHEMATIC DIAGRAM 2. 1 MB SECTION 8 2. 2 DECODE SECTION 9 2. 3 KEY BOARD SECTION 10 2. 4 CD SECTION 11 3 PCB DIAGRAM 3. 1 MAIN BOARD 3.1.1 TOP SILKSCREEN 12 3.1.2 BOTTOM SILKSCERRN LAYER 13 3.1.3 TOP SOLDER MASK LAYEY 14 3.1.4 BOTTOM SOLDER MASK LAYER 15 3.1.5 TOP ROUTING LAYER 16 3.1.6 BOTTOM ROUTING LAYER 17 3. 2 KEY BOARD SECTION 3.2.1 TOP SILKSCREEN LAYER 18 3.2.2 BOTTOM SILKSCERRN LAYER 19 3.2.3 TOP SOLDER MASK LAYER 20 3.2.4 BOTTOM SOLDER MASK LAYER 21 3.2.5 TOP ROUTING LAYER 22 3.2.6 BOTTOM ROUTING LAYER 23 3. 3 CD SECTION 3.3.1 TOP SILKSCREEN LAYER 24 3.3.2 BOTTOM SILKSCREEN LAYER 25 3.3.3 BOTTOM PAD LAYER 26 3.3.4 BOTTOM ROUTE LAYE 27 4 STRUCTURE DIAGRAM 4 .1 MAIN UNIT 28 1 MEASURMENT GUIDELINE AND DATA 1.1 MEASURMENT CONDITION DESCRIPTION: FM/AM CD/MP3 Player Standard USB Connector with built-in host controller and SD/MMC card slot USB MP3/enconding RCA Output Power: 4X40W MEASUREMENT CONDITION: 1. SUPPLY 14.4 V 2. LOADING 4 3. S.T.O. 1 W 4. dBu =EMF dBu REVISION REVISION DETAILS DATE NO. 1.2 MEASURMENT DATA 1.2.1 FM SECTION (FM STEREO 1KHz 75KHz DEV. L+R=90% PILOT=10%) ITEM UNIT NOMAL LIMIT 1 SEPERATION @1mV INPUT R/L dB 30 25 2 STEREO INDICATOR ON SENSITIVITY 98.1MHz dBuV 10 <15 3 AUTO SEEK SENS.(STEREO 75KHz DEV) 98.1MHz dBuV 23 18-28 4 S/N RATIO @1mV INPUT (W/FILTER) 98.1MHz dB 55 50 5 SNC SEPERATION (AT 20dB) 98.1MHz dBuV 48 45-52 6 SNC SEPERATION (AT 3dB) 98.1MHz dB uV 20 35 7 10% T.H.D OUTPUT