User manual KENWOOD DV-203

[. . . ] DANGER : Laser radiation when open and interlock 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. 70% DV-203/DVF-R9050/R9050-S CONTENTS / ACCESSORIES / CAUTIONS Contents CONTENTS / ACCESSORIES / CAUTIONS. . . . . . . . . . . . . 2 DISASSEMBLY FOR REPAIR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 CIRCUIT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 MECHANISM DESCRIPTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 PARTS DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 PC BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] This signal bus is used to transfer the data to and from the external SDRAM(s) used for field memories. SDRAM clock and 2x output sampling clock. This active low signal should be connected to the WE pin(s) on the SDRAM(s). This active low signal should be connected to the RAS pin(s) on the SDRAM(s). This active low signal should be connected to the CAS pin(s) on the SDRAM(s). Function 110 FILM SDRAM Interface Signals 125~131 ADDR(4~10) 133~136 ADDR(0~3) 139~143, 146~150 DATA(0~4) 153~157, 160~166 5~9, 10~14, 169~176 15~21, 22~29 118 MEMCLKO 119 120 121 122 WEN RASN CASN BSEL 8-2 Simplified Block Diagram Ext. Syncs PIXCLK / PLL/Clock Generator Sync Generator Sync Out RGB/YUV/ YCrCb/D1 10 / / / 2 / Input Signal Formatter Deinterlacer Core with DCDiTM , Motion Compensation, Film Mode Detection and Bad Edit Correction Output Signal Formatter 10 / / / YU V /RGB/ YCrCb DADDR SDA SCL Control Interface and Registers 18 DV-203/DVF-R9050/R9050-S CIRCUIT DESCRIPTION 9. Port Function of 2ch DAC : PCM1748E (X25, IC204) Port No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Port Name BCK DATA LRCK DGND VDD VCC VOUTL VOUTR AGND VCOM ZEROR/ZEROA ZEROL/NA MD MC ML SCL I/O I I I O O O O I I I I Function Audio data bit clock input. L-ch/R-ch audio data latch enable input. Zero flag output for R-ch / Zero flag output for L/R-ch. Key Matrix KEY 0 (Pin2 ) SKIP AOP KEY 1 (Pin3 ) OP/CL DISC 1 DISC 2 DISC 3 DISC 4 DISC 5 KEY 2 (Pin4 ) PLAY STOP SKIP DOWN SKIP UP PAUSE The number inside ( ) is pin number of main u-com (X25, IC1). DVF-R9050 Audio Output Block Diagram * SCART terminals (AV1, 2) are available for European model only. 60k B L2CH IC205 AOUT1 IC902 DRIVE IC903 DRIVE L. P. F. SW SerialParallel IC224 BUSS X25-646 H2CH MUTE CONTROL L : Buss Management H : Through AV1 AV2 E TYPE ONLY H : 60k L : 110k L. P. F. FR MUTE MIX DMIX AOUT0 X35 -229 IC901 DRIVE IC204 2ch DAC AOUT2 SL. SR Media vs Switches Low Pass Filter 110kHz 60kHz Media DVD-Audio(fs : 192kHz, 176. 4kHz) All Media DVD-Audio(fs : 192kHz, 176. 4kHz) VCD, CD-DA Others SW1 B A 20 DV-203/DVF-R9050/R9050-S CIRCUIT DESCRIPTION DV-203 Audio Output Block Diagram IC204 2ch DAC IC205 X35 -229 AOUT0 AOUT1 AOUT2 6ch DAC H : 60k L : 110k L. P. F. 60k H2CH BUSS X25-646 Media vs Switches Low Pass Filter 110kHz 60kHz Media DVD-Audio(fs : 192kHz, 176. 4kHz) All Media DVD-Audio(fs : 192kHz, 176. 4kHz) VCD, CD-DA Others SW1 B A L. P. F. 100kHz IC801 MUTE SW2 MUTE MUTE CONTROL L : Buss Management H : Through C. SW SerialParallel IC224 Relation of IN/OUT on Video Signal Condition Composite S-Video IN-Signal Y, C(X35, IC600) Y, C(X35, IC600) AV1 #19(V/Y out) #19(V/Y out) #15(RC out) #15(R/C out) #11(G out) #7(B out) #19(V/Y out) #15(R/C out) #11(G out) #7(B out) #19(V/Y out) OUT AV2 #19(V out) RGB - RGB RGB(X35, IC600) <AV2> #20(V in) #15(R in) #11(G in) #7(B in) #19(V out) - Standby IN-SIGNAL - Relation of IN/OUT on Audio Signal Condition Power on Standby IN-Signal DVD MIX-OUT DVD MIX-OUT #1(A{B}out) #3(A{A}out AV1 OUT AV2 #1(A{B}out) #3(A{A}out #2(A{B}in) #6(A{A}in #1(A{B}out) #3(A{A}out RGB - Condition RGB Other Standby BLK(#16, AV1) 1V~3V/75 0V #16 of AV2 : through Condition 16 : 9 TV PLAY (Aspect Ratio) Other Standby FUNC. SW (#8, AV1) 6V 9. 5V #16 of AV2 : through AV1 : X25, J 501(DVF-R9050 only) AV2 : X25, J 502(DVF-R9050 only) RGB : X25, J 604 21 DV-203/DVF-R9050/R9050-S MECHANISM DESCRIPTION 1. Assembling and Disassembling the Optical Pickup (Mechanical Parts) The optical pickup can be damaged by static electricity from your body. Be sure to take static electricity countermeasures when working around the optical pickup. Insert a flexibe cable in the arrow direction in the drawing. [. . . ] No R764-767 R769 R770-775 R777 R778-782 R783, 784 R788, 789 R790 R791-794 R795 R796, 797 R799 R800-802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R812 R813 R815, 816 R818 R819 R822 R825, 826 R880-882 R883, 884 R901 R902-906 R907, 908 R909 R910, 911 R912 R913, 914 R918-920 R921 R922 R923 R924 R925-928 R929, 930 R931 R935, 936 R937 R938 R939 R941 R943, 944 R949, 950 R951-953 R954 Add- New ress Parts Parts No. RK73GB1J1R0J RK73GB1J473J RK73GB1J1R0J RK73GB1J473J RK73GB1J1R0J RK73GB1J101J RK73GB1J1R0J RK73GB1J471J RK73GB1J1R0J RK73GB1J221J RK73GB1J101J RK73GB1J121J RK73GB1J1R0J RK73GB1J101J RK73GB1J301J RK73GB1J102J RK73GB1J101J RK73GB1J301J RK73GB1J102J RK73GB1J101J RK73GB1J301J RK73GB1J102J RK73GB1J1R0J RK73GB1J182J RK73GB1J101J RK73GB1J102J RK73GB1J103J RK73GB1J470J RK73GB1J470J RK73GB1J103J RK73GB1J100J RK73GB1J103J RK73GB1J101J RK73GB1J103J RK73GB1J1R0J RK73GB1J470J RK73GB1J1R0J RK73GB1J103J RK73GB1J103J RK73GB1J100J RK73GB1J102J RK73GB1J470J RK73GB1J1R0J RK73GB1J103J RK73GB1J1R0J RK73GB1J101J RK73GB1J101J RK73GB1J1R0J RK73GB1J102J RK73GB1J101J RK73GB1J470J RK73GB1J470J RK73GB1J103J RK73GB1J1R0J RK73GB1J103J CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R Description 1 47K 1 47K 1 100 1 470 1 220 100 120 1 100 300 1. 0K 100 300 1. 0K 100 300 1. 0K 1 1. 8K 100 1. 0K 10K 47 47 10K 10 10K 100 10K 1 47 1 10K 10K 10 1. 0K 47 1 10K 1 100 100 1 1. 0K 100 47 47 10K 1 10K J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W Destination £ Remarks New Parts Parts without Parts No. Les articles non mentionnes dans le Parts No. No VR600-602 VR800 W2 -4 W301-308 W901-904 D1 D3 , 4 D101, 102 D201 D202, 203 D300 D600 D900 IC1 IC101 IC201 IC202 IC203 IC204, 205 IC206 IC207 IC208 IC208 IC209 IC210, 211 IC212 IC214 IC215 IC216 IC300 IC301 IC301 IC301 IC302 IC303 IC304 IC400 IC401 IC402 IC500 IC501 IC502 IC503 IC600 IC601 IC700 IC701, 702 IC701, 702 IC701, 702 IC703 IC800 IC900 IC901 IC902 IC903 Add- New ress Parts Parts No. [. . . ]