Page 1
For U.S.A. & Canada model Ver. 2 SERVICE MANUAL DVM-2815 MODEL DVD AUDIO-VIDEO AUTO CHANGER 注 意 サービスをおこなう前に、このサービスマニュアルを 必ずお読みください。本機は、火災、感電、けがなど に対する安全性を確保するために、さまざまな配慮を おこなっており、また法的には「電気用品安全法」に もとづき、所定の許可を得て製造されております。 従ってサービスをおこなう際は、これらの安全性が維 持されるよう、このサービスマニュアルに記載されて いる注意事項を必ずお守りください。 ● For purposes of improvement, specifications and ● 本機の仕様は性能改良のため、予告なく変更すること design are subject to change without notice.
DVM-2815 LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30cm away from the pickup lens when the diode is turned on.
DVM-2815 IMPORTANT SAFETY PRECAUTIONS Product Safety Notice I. Also check areas surrounding repaired locations. J. Be careful that foreign objects (screws, solder Some electrical and mechanical parts have special droplets, etc.) do not remain inside the set. safety-related characteristics which are often not evi- K.
Page 6
DVM-2815 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, Chassis or Secondary Conductor and wires have been returned to their original posi- tions. Afterwards, do the following tests and confirm...
DVM-2815 STANDARD NOTES FOR SERVICING Circuit Board Indications How to Remove / Install Flat Pack-IC 1. Removal 1. The output pin of the 3 pin Regulator ICs is indi- cated as shown. With Hot-Air Flat Pack-IC Desoldering Machine:. (1) Prepare the hot-air flat pack-IC desoldering...
Page 8
DVM-2815 With Soldering Iron: (4) Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply (1) Using desoldering braid, remove the solder from all soldering iron to center of the flat pack-IC and heat pins of the flat pack-IC.
Page 9
DVM-2815 Instructions for Handling 2. Installation Semi-conductors (1) Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA Electrostatic breakdown of the semi-conductors may so you can install a replacement flat pack-IC more occur due to a potential difference caused by electro- easily.
DVM-2815 CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart REMOVAL REMOVE/*UNHOOK/ LOC. PART Fig. This flowchart indicates the disassembly steps to gain UNLOCK/RELEASE/ Note access to item(s) to be serviced. When reassembling, UNPLUG/DESOLDER follow the steps in reverse order. Bend, route, and dress the cables as they were originally.
Page 11
DVM-2815 (1): Identification (location) No. of parts in the figures (2): Name of the part (S-2) (L-1) (3): Figure Number for reference (4): Identification of parts to be removed, unhooked, unlocked, released, unplugged, unclamped, or (L-1) desoldered. P=Spring, L=Locking Tab, S=Screw,...
Page 12
DVM-2815 Drive Mecha Assembly CN5003 Short the three short lands by soldering CN5002 [9] Sensor CBA CN5005 (S-6) [8] Relay (S-5) Fig. D6 (S-7) [10] Rear Panel (S-8) View for A (S-7) (S-8) (S-7) (S-8) Short the three short lands by soldering...
DVM-2815 TROUBLESHOOTING FLOW CHART NO.1 The power cannot be turned on. See FLOW CHART No.2 <The fuse blows out.> Is the fuse normal? Is normal state restored when once unplugged Check if there is any leak or shor-circuiting on the power cord is plugged again after several seconds? primary circuit component, and service it if defective.
Page 15
DVM-2815 FLOW CHART NO.6 P-ON+9V (EV+9V) is not outputted. Is 9V voltage supplied to the emitter of Q1002? Check D1030, C1035, C1048, L1009 and the periphery circuit, and service it if defective. Check Q1016 and service it if defective. Is the voltage of base on Q1002 lower than the voltage of emitter on Q1002 when turning the power on? Replace Q1002.
Page 16
DVM-2815 FLOW CHART NO.12 The fluorescent display tube does not light up. Is 3.3V voltage supplied to Pin(6) and Check the P-ON+3.3V line and service it if defective. Pin(24) of IC2001? Is the voltage of approximately -24V to -28V Check the -FL (-28V) line and service it if defective.
Page 17
DVM-2815 FLOW CHART NO.14 No operation is possible from the remote control unit. Operation is possible from the DVD, but no operation is possible from the remote control unit. Check P-ON+5V line and service it if defective. Is 5V voltage supplied to the Pin(3) terminal of the infrared remote control receiver (RM2001)? Is the "L"...
Page 18
DVM-2815 FLOW CHART NO.18 [No Disc] indicated. (When the focus servo is not functioning.) Replace the DVD Main CBA. No improvement can be found. Original DVD Main CBA is poor. Replace the DVD Mecha. FLOW CHART NO.19 [No Disc] indicated. (When the laser beam does not light up.) Replace the DVD Main CBA.
Page 19
DVM-2815 Are the video signals outputted to each pin of IC6102? IC6102 4PIN Is 5V voltage supplied to Pin(16) of IC6102? IC6102 15PIN Pb/Cb IC6102 14PIN Pr/Cr Replace IC6102. Check P-ON+5V line and service it if defective. Check the line between each pin of IC6102 and...
Page 20
DVM-2815 FLOW CHART NO.22 Audio is not outputted. Set the disc on the disc tray, and playback. Replace the DVD Main CBA or DVD Mecha. Are the analog audio signals outputted to each pin of CN1601 on AV CBA? CN1601 13PIN AUDIO-L...
Page 21
DVM-2815 FLOW CHART NO.23 Rotary tray does not function. Is the normal control voltage inputted to pins Check the switches (SW2206 - 2208, 2210 - 2212) (39, 40, 41) of IC3001? For each terminal voltage, and their periphery, and service it if defective.
Page 22
DVM-2815 FLOW CHART NO.24 Audio is not outputted. (JK7101) Set the disc (with 5.1ch Audio) on the disc tray, and playback. Replace the DVD Main CBA or DVD Mecha. Are the PCM data signals outputted to each pin of CN7102 on DVD Audio CBA.
DVM-2815 BLOCK DIAGRAMS System Control/Servo Block Diagram FOCUS SERVO SIGNAL TRACKING SERVO SIGNAL SLED SERVO SIGNAL SPINDLE SERVO SIGNAL DATA(AUDIO) SIGNAL IC3001 +3.3V SWITCH CBA (CH MICROPROCESSOR) CHANGER CBA SW3102 TRAY CLOSE CN3101 CN3004 FL2001 1 ST-CLOSE 1 ST-OP/CL 2 GND...
Page 24
DVM-2815 Digital Signal Process Block Diagram DATA(VIDEO) SIGNAL DATA(AUDIO) SIGNAL DATA(VIDEO/AUDIO) SIGNAL VIDEO SIGNAL FOCUS SERVO SIGNAL TRACKING SERVO SIGNAL IC102 (SDRAM) IC101 (MICRO CONTROLLER) CN202 SDRAM ADDRESS(0-10) SDRAM ADDRESS(0-10) DATA SDRAM EXTERNAL MEMORY DECODER INST. PROGRESSIVE DECODER STREAM BLOCK...
Page 25
DVM-2815 Video / Audio Block Diagram DATA(AUDIO) SIGNAL AUDIO SIGNAL VIDEO SIGNAL JK1401 S-VIDEO OUT IC1402 (VIDEO DRIVER) W F 1 W F 2 DRIVER IC6102 (OUTPUT SELECT) W F 3 CN601 CN1601 VIDEO-C VIDEO-C TO DIGITAL VIDEO-Y DRIVER INTERLACE...
Page 26
DVM-2815 Progressive Block Diagram DATA(VIDEO) SIGNAL VIDEO SIGNAL IC1801 (DE-INTERLACER) IC1803 (PROGRESSIVE ENCODER) CN1801 TEST PATT.GENE. FORMATTER DE-INTERLACER FORMATTER /DELAY /GAMMA CORRECTOR DIGITAL SIGNAL PROCESS BLOCK DIAGRAM CN202 4:2:2 4:2:2 CLK27M PLL/CLOCK GENERATOR H-SYNC /RST SYNC V-SYNC 4:4:4 4:4:4 GENERATOR...
Page 27
DVM-2815 DVD Audio Block Diagram DATA(AUDIO) SIGNAL AUDIO SIGNAL DVD AUDIO CBA IC7201 (AUDIO DAC) IC7301 (AMP) 4X/8X IC7101 (SW) OVERSAMPLING ENHANCED LPF+AMP SERIAL DIGITAL FILTER MULTI-LEVEL PORT /FUNCTION DELTA-SIGMA LPF+AMP CONTROLLER MODULATOR ZERO DETECT Q7308 SERIAL CONTROL Q7302 SYSTEM CLOCK Q7307 +3.3V...
Page 28
DVM-2815 Power Supply Block Diagram CAUTION ! CAUTION Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, NOTE : If Main Fuse (F1001) is blown, check to see that all components in the power supply REPLACE ONLY WITH THE SAME TYPE FUSE.
DVM-2815 SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replace- ment components rated for higher voltage, wattage, etc.
Page 30
DVM-2815 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
Page 31
DVM-2815 DVD Main 1/3 Schematic Diagram...
Page 32
DVM-2815 DVD Main 2/3 Schematic Diagram...
Page 33
DVM-2815 IC101 VOLTAGE CHART PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----...
Page 34
DVM-2815 DVD Main 3/3 Schematic Diagram...
Page 35
DVM-2815 AV 1/2 Schematic Diagram CAUTION CAUTION ! NOTE : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured REPLACE ONLY WITH THE SAME TYPE FUSE.
DVM-2815 FIRMWARE RENEWAL MODE 1. Turn the power on and remove the disc on the tray. 5. After programming is finished, the tray opens auto- 2. To put the DVD player into version up mode, press matically. Fig. e appears on the screen and the [9], [8], [7], [6], and [SEARCH MODE] buttons on checksum in (*3) of Fig.
DVM-2815 LEAD IDENTIFICATIONS 2SK3374 KTC3198 (Y) 2SA1037AK T146Q 2SC2785 (H) KTC3205 (Y) 2SC2412K T146S KTC3199 (GR) 2SA966(Y) KTA1504Y-RTK KRA110M KTC3875GR-RTK KRC110M-AT BA1L3Z-T 2SA1015-Y (TPE2) KTA1266 (Y) KTA1267 (Y) DTC114ESA TP S D G E C B E C B KIA431-AT...
DVM-2815 EXPLODED VIEWS Cabinet View 1 2L021 2L021 See Electrical Parts List for parts with this mark. 2L021 2L021 Some Ref. Numbers are not in sequence. 2L021 2B12 2L021 2L061 Relay CBA 2B21 2B22 W3005 2L061 2B25 2L041 DVD Main...
Don't degrade the safety of the product through improper ser- vicing. Safe. Ref. No. Description Funai Parts No. DENON Parts No. FRONT ASSEMBLY 0VM204300 9H26000440 TRAY PANEL ASSEMBLY 0VM415644 9H26000441 FOOT...
Page 51
DVM-2815 Safe. Ref. No. Description Funai Parts No. DENON Parts No. W3006 22P FFC AV TO MAIN WX1E8620-022 9H26000433 W3007 9P FFC CONTROL TO MAIN WX1E8620-009 9H26000434 W3008 16P FFC AV TO CONTROL WX1E8620-116 9H26000435 W7001 7P FFC AV TO DVD-A PCB...
Need help?
Do you have a question about the DVM-2815 and is the answer not in the manual?
Questions and answers