Kenwood-DV4050B-cd-sm 电路图 维修手册.pdf
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1、70% In compliance with Federal Regulations, following are repro- duction of labels on, or inside the porduct relating to laser product safety. KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J. DANGER : Laser radiation when open and inter
2、lock defeated. AVOID DIRECT EXPOSURE TO BEAM. Caution : No connection of ground line if disassemble the unit. Please connect the ground line on rear panel, PCBs, Chassis and some others. DVD VCD CD PLAYER DV-4050-B DVF-R6030-B SERVICE MANUAL 2000-9/B51-5661-00 (K/K) 1399 STANDBY ON/STANDBY STANDBY O
3、N/STANDBY POWER DISC 5changer DISC SKIP DISC 1DISC 2DISC 3DISC 4DISC 5 OPEN/CLOSE 0 3 8 7 VIRTUAL SURROUND 4 COAXIAL OPTICAL DIGITAL OUTPUT (PCM/BIT STREAM)OUTPUTCOMPONENT VIDEO OUTPUT SUB WOOFER YCbCrS VIDEO L 12 R 2 OUTPUTLINE OUTPUT VIDEO 1 Knob (K29-7823-13) Knob (K29-7804-13) Knob (K29-7801-13)
4、 Metallic cabinet (A01-3776-01) Pin jack (E63-1159-05) Pin jack (E63-1127-05) Oscillating module (W02-2732-05) Front glass (B10-3610-02) Panel * (A60-) Pin jack (E63-1162-05) AC power cord bushing (J42-0083-05) AC power cord * (E30-) Pin jack (E63-1161-05) Cylindrical receptacle (E56-0032-05) Knob (
5、K29-7822-13) * Refer to parts list on page17. Pin jack (E63-1157-05) RadioFans.CN 收音机爱 好者资料库 DV-4050-B/DVF-R6030-B 2 CONTENTS / ACCESSORIES CONTENTS / ACCESSORIES . 2 DISASSEMBLY FOR REPAIR.3 ADJUSTMENT.5 PC BOARD.7 . SCHEMATIC DIAGRAM . 9 EXPLODED VIEW .15 PARTS LIST.17 SPECIFICATIONS .20 Contents
6、Accessories Remote control (1) (A70-1420-05) Battery cover(A09-1213-08) Batteries (2) for remote control Audio cable (1) (E30-0505-05) Video cable (1) (E30-1427-05) Optical digital audio cable (1) (B19-1529-05) Note: Please contact our KENWOOD Service Department in your side if you want the informat
7、ion; Microprocessor(MN101C35D) ports explanation and full (previous) format parts list on this model. You can be available them by internet from us. Note: Test Mode in detail is written in DV-4900/DV-4700/DVF-R6030/DVF-R9030 Service Manual(B51-5665-00). RadioFans.CN 收音机爱 好者资料库 DV-4050-B/DVF-R6030-B
8、3 DISASSEMBLY FOR REPAIR 1 5 2 3 6 4 5 HOOK ( x2) HOOK x2 Guide 6 3 4 HOOK GUIDE ARM DRIVE GEAR HOOK LOADING GEAR (A) (Free) PROTRUSION OF TRAY 2 1 5 REAR 1. How to Remove Tray 1. Remove the front panel and flexible cable. Disassemble the X25 and power supply pcb with sub chassis if it is a difficul
9、t. 2. Push and hold the lever()to clockwise and pull barely out the tray to frontwards() where the hook of tray() meets with guide(). 3. Push hooks(), both sides, inwards and release them from guides(). 4. Pull hooks of tray() outwards and remove the tray upwards(). 2. How to Assemble Tray 1. Adjust
10、 the position of drive gear as figure(). Check traverse unit is at the lowest position. 2. Load the tray on the loading mechanism. Check the position where the loading gear(A) is free() 3. Meet the hooks with guides and push hooks to load the tray(). 4. Set the right side hook to loading mechanism()
11、. 5. Set the left side hook to loading mechanism with pulling it outwards(). 6. Push the tray backwards(). RadioFans.CN 收音机爱 好者资料库 DV-4050-B/DVF-R6030-B 4 DISASSEMBLY FOR REPAIR 5. How to Disassemble Traverse Unit 1. Move the traverse to upward by turning motor pulley (). 2. Make the gap between the
12、 tray guide and guider(L) with driver() 3. Remove the screws(, ). 6. Tangential and Tilt Adjustment 1. Turn the power on with pressing the DISC 1 key. (Display shows INSPECTION; test mode.) 2. Press the DISC1 key in playback mode again. Display shows Jitter * % 3. Turn off if cancel test mode. 2 4 2
13、1 3 Tray guide Guider (L) Protruding part 5 5 5 6 6 6 X13-7770-10 CN1 CN2 Clamper weight Spacer Magnet Clamper 3. How to Remove Clamper Assy 1. Remove screws. 4. How to Disassemble Clamper Assy REAR Tilt adjustment screw 2 Tilt adjustment screw 1 Tangential adjustment screw DV-4050-B/DVF-R6030-B 5 C
14、IRCUIT DESCRIPTION Pin No.Pin NameI/ODescription 1CMDOSerial output for system communication. 2STATUSISerial input for system communication. 3DSPCLKISerial clock for system communication. 4DATAOData signal output to buffer. 5STBOStrobe signal output to buffer. 6CLKOClock signal output to buffer. 7CL
15、ROClear signal output to buffer. 8VDD-+5.0V power supply. 9OSC2OMain clock (8MHz) output. 10OSC1IMain clock (8MHz) input. 11VSS-Connected to ground. 12XI-Connected to ground. 13XO-Unused. 14MMOD-Connected to ground. 15VREF-Connected to ground. 1618KEYIN02IKey signal input. 19,20PA3,PA4-Unused. 21CLO
16、SE SWIDisc clamp control. 22OPEN SWIControl port of tray open/close for changer mechanism. 23PA7-Unused. 24VREF+-A/D reference voltage. 25TM+OControl port of tray motor. 26RESETIReset signal input. 27RM+OControl port of tray motor. 28TRM-OControl port of tray motor. 29MECHA VROControl port of tray m
17、otor. 30POWEROControl port of power supply. 31POWER MUTEOPower on/off control. 32P15-Unused. 33REMOCONIInput port of remote control signal. 34,35P21,P22-Unused. 36POSITIONIDetection port of tray position. 37SPEEDIDetection port of rotation speed for tray. 38P25,P30P32-Unused. 42STBY-LEDOControl port
18、 of standby LED. 43P51-Unused. 44VSS-LEDOControl port of VSS LED. 45,46DESTINATION INIUnused. 4749DESTINATION OUTOUnused. 50DIGI 4-Unused. 51631G13GOFL grid output. 6480P17P1OFL segment output. 8198SEG24SEG41-Unused. 99SW MUTEOControl port of sub woofer. 100VFL-FL power supply. Microprocessor pin de
19、scription : MN101C35D(X14,IC1) DV-4050-B/DVF-R6030-B 6 ADJUSTMENT No. ITEM INPUT SETTING OUTPUT SETTING ALIGNMENT POINT ALIGNMENT FOR FIG. 1BRIGHTNESS 100% COLOR BAR DISC Connect the oscilloscope to Y output with 75-ohms resistor VR1 Y-signal = 1000mV30mV FIG.1. 2CHROM LEVEL 100% COLOR BAR DISC Conn
20、ect the oscilloscope to COMPOSIT output with 75- ohms resistor VR2 Chrom-signal = 285mV14mV FIG.2. 3Cb LEVEL 100% COLOR BAR DISC Connect the oscilloscope to Cb output with 75-ohms resistor VR3 Cb-signal = 648mV14mV FIG.3. 4Cr LEVEL 100% COLOR BAR DISC Connect the oscilloscope to Cr output with 75-oh
21、ms resistor VR4 Cr-signal = 648mV14mV FIG.4. 1000mV30mV Y 4.7s -2.86 0 714 (100IRE) mV white yellow cyan green magenta red blue black 714 641 516 443 324 252 127 54 285mV 14mV 120 IRE Peak white Blank 100 0 -40 324 -324 0 mV 0 109 215 324 0 -109 -215 -324 Cb 648mV 14mV 324 -324 0 mV Cr 648mV 14mV 0
22、53 271 324 -53 0 -271 -324 FIG. 1FIG. 2 FIG. 3FIG. 4 ACEGIBDFHJ 2 1 3 5 7 4 6 D13 D14 D12 D7 D6 D8 D10 D9 IC2 IC1 R96 W77 W78W79 R89 R47 R48 W65 R49 R51 R40 R41 R39 R44 R42 R43 R52 C2 C3 C1 R54 100 76 26 501 1810 19 25 75 51 R53 R56 C4 C5 C7 C22 C21 C23 R4 R5 C17 C16 C18C20 C19 R3 C31 C32 C30 C27 C2
23、9 R1 R2 C24 C26 C25 C15 R30 R31 R29 R27 R28 R32 R36 R37 R35 R33 R34 C9 C11 C14 C13 C8 R26 R25 R23 R24 R73 C38 W62 W60 W61 C39 W55 C40 R74 C41 W54 W66 W56 W53 R86 W58 W52 W67 W69 C10 W68 W63 W70 W70 W64 R69 R61 R60 R59 R58 R70 W76 W75 W74 W71 W82 W73 W72 R50 W50 W51 W49 W48 R79 R95R93 R91 R87 W57 W59
24、 R11 R88 R90 R92 R94 R80 R78 R77 R75 R76 W100 R67 R66 R64 R81 L4 C33 R71 C34 R72 C35 C36 R82 R84 R21 R12 R83 C200 C26 C21 C29 C24 C22 C27 R19 R18 C136 C102 C151 C150 C101 C1 C6 C31 R77 C201 R200 R201 C202 R202 W194 W195 R57 R90 R58 R91 C13 C15 W10 W2 R50 R51 R48 R49 R54 R55 R52 R53 R47 R41 R42 R36 R
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