Onkyo TX-DS797 Service Manual Download Page 4

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TX-DS797

WIRING VIEW 1

TX-DS797

U47

U31

U23

U21

U38

U48

U36

U37

U45

U33

U12

U39

U32

U44

U35

U46

U51

P6101A
P4610C

P4610B

JL6933A

P7201B

P3010B

P3011B

P1010A

P3220A

P3210B

P3211B

P2007B

P2005B

P2006B

P2507B

P2505B

P2506A

P2705B

P2704B

P6830B

P6832B

P2901B

JL931A

P4020B

P4010B

P4011B

P4012A

P5004E

P5003E

P7704B

P7705B

P7703B

P7701A

P102A

P811B

P7702

P2901A

P2805A

P2705A

P2006A

P2005A

P2905A

P2505A

P3010A

P3011A

P7704A

P7705A

P7703A

P811A

P3210A

P3211A

P4020A

P4010A

P4011A

P4012A

P9502

P2906

P7701B

P6931

P9503A

P6401

P5004A

P5004B

P5004C

P5004D

P5003A

P5003B

P5003C

P6101

Front end

CN1

NAAF-7262
Preamplifier circuit PC board
4-1,4-2

NADG-7226
Main circuit PC board

NADG-7228
Front video 2 PC board

NAPS-7252
Power supply circuit
PC board

NAAF-7250
Power amplifier
PC board

NAETC-7238
Fan drive circuit
PC board

NASW-7331
Volume PC
board

NADIS-7330
Display circuit PC board
1-1,1-2

NAETC-7332
Headphone terminal
PC board

NAVD-7270
Component video
terminal PC board

NAETC-7278
Front video PC
board

NAVD-7269
S video circuit
PC board

NAVD-7268
Composite video
circuit PC board

NAAF-7263
Audio terminal PC
board

NAAF-7264
Video terminal PC
board

NAETC-7272 RI
terminal PC board

NAAR-7267
Connector PC board

1-1

1-2

2-1~2-4

3-2

3-1

9-2

9-3

8-1

1-2

9-1

8-2

6-1,6-2

7-3

1-2

P7203

P7201A

P7482A

P7559A

GND

TXD1

RTS1

VDD

CLK1

RXD1

CNVSS

RESET

S7569

P7559B

P7481

P7482B

U2501

P102B

9-2 shows the number of schematic diagram.

Summary of Contents for TX-DS797

Page 1: ...THE CUSTOMER SERVICE MANUAL AV RECEIVER Black Golden and Silver models MODEL TX DS797 Ref No 3714 102001 BMDD BMPP SMPP BMPA GMPA BMWT GMWT GMWR GMGT 120V AC 60Hz 230 240V AC 50Hz 120 220 230V AC 50...

Page 2: ...equency Response RIAA Deviation Tone Control Bass Treble Signal to Noise Ratio Stereo Phono CD Tape 110 dB IHF A 0 5 V input TUNER SECTION FM Tuning Range 87 5 108 0 MHz 50 kHz steps Usable Sensitivit...

Page 3: ...Press and hold down the VIDEO 1 button then press the STANDBY ON button 2 After clear is displayed the preset memory and each mode stored in the memory such as surround are initialized and will retur...

Page 4: ...t PC board 4 1 4 2 NADG 7226 Main circuit PC board NADG 7228 Front video 2 PC board NAPS 7252 Power supply circuit PC board NAAF 7250 Power amplifier PC board NAETC 7238 Fan drive circuit PC board NAS...

Page 5: ...PC board NAAR 7267 Connector PC board NAPS 7252 Power supply circuit PC board NAETC 7237 Speaker terminal SR SB PC board NAAF 7250 Power amplifier driver PC board NAETC 7238 Fan drive circuit PC boar...

Page 6: ...I R I N R I T 9 0 2 T 9 0 1 A C I N T O N E N J U 7 3 0 6 G N J U 7 3 0 6 G D I G I T A L A U D I O O U T P U T O P T I C A L 1 O P T I C A L 3 O P T I C A L 1 O P T I C A L 2 D I G I T A L A U D I O...

Page 7: ...E O 5 F R O N T C S 4 9 3 0 0 2 P O S T P R O C E S S I N G T H X C I N E M A T H X S U R R O U N D E X C S 4 9 3 0 0 2 D E C O D I N G A C 3 D T S D T S E S P L I I N E O 6 B U 1 9 2 3 R D S D E C O...

Page 8: ...N D R I V E R R I I N T E R F A C E 5 6 V S T A N D B Y C O M P O N E N T V I D E O O U I T P U T Y C B C R H E A D P H O N E R E M O T E S E N S O R I R O U T I R I N R I T 9 0 2 T 9 0 1 A C I N T O...

Page 9: ...N D S T B D A T A C K V S S V D D L M L T R T R M 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 V C L V D A T A V S T B N C N C N C N C C S 2 C S 1 G N D S T B D A T A...

Page 10: ...reo broadcast detection input pin 30 INTRQ2 I L INTRQ input pin from DSP IC 1 CS49300 78 RDSDATA I H Data input pin from RDS demodulator IC 32 SUBRESET O L Reset signal output pin to sub microprocesso...

Page 11: ...V S S V D D L M L T R T R M 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 V C L V D A T A V S T B N C N C N C N C C S 2 C S 1 G N D S T B D A T A C K V S S V D D L M L...

Page 12: ...A T A H P M U T Q 9 2 1 P O W E R R E L A Y S W D 9 2 5 B L E V E L D E T o f P O W E R A M P T U N E R P A C K Q 1 8 1 R D S D E C O D E R B U 1 9 2 3 F D 6 6 0 0 R L 6 6 0 2 R L 6 6 0 0 P 6 8 1 0 D...

Page 13: ...2 5 2 6 2 7 2 8 2 9 2 3 0 3 4 5 1 5 2 5 3 5 6 7 8 7 9 7 8 0 99 96 8 9 88 87 86 85 84 83 82 81 97 95 94 93 92 91 90 89 7 7 7 6 7 5 7 4 7 3 7 2 7 1 7 0 6 9 6 8 6 7 6 6 6 5 6 3 6 1 6 0 5 9 5 8 5 7 5 6 5...

Page 14: ...I Clock receiving input pin to communicate between microprocessors 91 12V I 38 SUBREQ O Request signal output pin to communicate between microprocessors 92 NTSC I 39 VAJ I Pulse signal input terminal...

Page 15: ...s than 6 0 mV readjust the resistors above so that the voltage becomes 6 0 mV When 6 0 mV to 8 0 mV you are not necessary to adjust When more than 8 0 mV readjust the resistors above so that the volta...

Page 16: ...GND 0 01 F 0 1 F OSCILLO SCOPE Differentiating Circuit 200Hz SQUARE 35Vp p Confirmation of fan Set the unit to TEST 1 00 Apply the 1kHz 30dBV signal to the left channel of MULTI CH terminal with no lo...

Page 17: ...ER button to finish the test mode of FL tube AA Model 89 TX DS898 79 TX DS797 BB Video Mode NS NTSC PL PAL AUTO CC 12V TRIGGER TR Available No available DD RDS RD Available No available The segments o...

Page 18: ...TX DS797 EXPLODED VIER Front panel section TX DS797 10 29 U46 2 P7201 16 81 3 28 8 9 7 U45 U48 12 U47 5 4 U3 U44 U2 U9 U15 31 6 13 1 30 A 1 2 3 4 5 B C D E...

Page 19: ...U7 U39 F901 F902 55 U22 U18 U6 4 4 52 U11 U10 U38 U37 U36 U40 71 76 75 71 77 73 72 74 70 P901 56 4 U35 U33 U32 38 U51 P1010 U31 U1 P7201 63 65 62 65 35 36 34 37 36 58 4 52 56 4 33 97 97 4 U13 U17 Q606...

Page 20: ...02 F901 F902 F903 F9501 F9502 F9503 F9504 P1010 P7201 P7701 P901 Q6050 Q6054 Q6056 Q6060 Q6064 Q6066 PART NO 27175319A 28141332 831430088 27122906 27122907 27122908 27122909 27122910 27122911 83843008...

Page 21: ...PC board ass y WT NAETC 7239 1R Thermal detector circuit PC board ass y GT NAETC 7239 1U Thermal detector circuit PC board ass y A REF NO U15 U17 U18 U21 U22 U23 U29 U31 U32 U33 U35 U36 U37 U38 U39 U4...

Page 22: ...A906332 1E NAETC 7332 1E Headphone terminal PC board ass y G GT A 1A906332 1F NAETC 7332 1F Headphone terminal PC board ass y G WT R 1A906332 1G NAETC 7332 1G Headphone terminal PC board ass y S P U47...

Page 23: ...TX DS797 EXPLODED VIER Rear panel section TX DS797 F903 U7 U39 F901 F902 U11 U10 U38 U37 U36 U40 71 76 75 71 77 73 72 74 70 P901 4 U35 U33 U32 38 U51 P1010 U31 U1 A 1 2 3 4 5 B C D E...

Page 24: ...C7505 104Z C7504 101J C7559 104Z C7569 104Z C7511 104Z C7212 102K C7211 102K C7213 102K C7208 104Z C7293 102K C7294 102K C7295 102K C7297 102K C7206 104Z C7214 102K S7579 ENTER S7581 DVD S7559 DISPLA...

Page 25: ...0 R 7 8 7 5 2 2 K R 7 8 7 6 2 2 K R 7 8 2 0 2 2 0 K R 7 8 7 7 2 2 K R 7 7 0 0 1 0 0 R 7 7 6 8 1 K R 7 7 2 1 1 K R 7 7 2 5 2 2 0 R 7 7 2 2 1 K R 7 8 4 2 1 K R 7 8 4 3 2 2 0 R 7 8 2 7 3 3 0 R 7 8 2 8 3...

Page 26: ...3 0 2 8 4 7 5 0 C 3 0 2 9 4 7 5 0 C 3 2 1 8 4 7 5 0 C 3 2 1 9 4 7 5 0 C 3 2 2 0 4 7 5 0 C 3 2 2 1 4 7 5 0 C 3 2 1 6 4 7 5 0 C 3 2 1 7 4 7 5 0 C 3 2 1 4 4 7 5 0 C 3 2 1 5 4 7 5 0 C 3 2 1 2 4 7 5 0 C 3...

Page 27: ...R 4 4 9 4 4 7 R 4 4 9 2 2 2 0 R 4 4 2 7 1 5 K C 4 5 2 5 2 2 0 1 6 C 4 5 2 4 2 2 0 1 6 C 4 1 2 0 2 2 0 1 6 C 4 2 0 5 1 0 5 0 C 4 8 0 6 1 0 0 6 3 C 4 8 0 7 1 0 0 6 3 C 4 8 0 2 2 2 5 0 C 4 8 0 3 2 2 5 0...

Page 28: ...2 W R 5 1 6 6 1 K 1 2 W R 5 1 8 6 3 3 1 2 W R 5 1 5 6 1 0 K 1 2 W R 5 2 8 6 1 0 K 1 2 W R 5 0 0 6 1 K R 5 0 1 6 5 6 K R 5 0 7 6 1 0 0 K R 5 2 1 6 1 8 K R 5 2 2 6 1 8 K R 5 3 0 6 1 0 0 1 2 W R 5 2 5 6...

Page 29: ...5 5 5 V 0 6 V 0 6 V 0 7 V 5 5 9 V 5 4 9 V 5 5 5 V 0 6 V 0 6 V 0 V 0 V 0 V 0 V 5 5 5 V C 6 0 2 6 4 7 5 0 C 6 0 2 5 4 7 5 0 C 6 0 2 3 4 7 5 0 C 6 0 2 4 4 7 5 0 C 6 0 2 2 1 0 1 6 0 C 6 0 2 1 1 0 1 6 0 C...

Page 30: ...6 7 0 4 M T Z J 5 1 B D 6 7 0 3 M T Z J 5 1 B D 9 5 0 8 M T Z J 3 3 D F 9 5 0 1 F 9 5 0 4 F 6 9 0 1 F 6 9 0 2 F 9 0 2 F 9 0 3 T 2 5 A L 2 5 0 V F 9 0 3 T 2 5 A L 2 5 0 V F 9 0 1 F 9 0 2 F 9 5 0 2 2 5...

Page 31: ...5 0 R 2 2 2 1 1 5 0 R 2 0 1 4 1 0 0 K R 2 0 1 3 1 0 0 K R 2 0 1 2 1 0 0 K R 2 0 1 1 1 0 0 K R 2 0 0 4 1 0 0 K R 2 0 0 2 3 3 K R 2 0 0 5 1 0 K R 2 6 2 3 1 0 K R 2 5 1 3 1 8 K R 2 5 1 5 1 5 K R 2 5 1 4...

Page 32: ...C S S P R L Z 2 I S S A M U T 1 S P R L F Z 2 M U T 1 D G N D P O W E R D G N D P L L C E Z 2 L M U T V S Y N C T U M U T 1 5 V S D I S T B D G N D S T E R E O F C L 1 5 V P L L D E T F D A T A A M U...

Page 33: ...01 Q719 Q718 Q717 Q716 Q715 Q714 Q713 Q712 Q711 Q710 Q709 Q708 Q706 Q705 Q704 Q703 Q702 Q701 Q181 Q105 Q104 Q103 Q102 Q101 Q100 P7705B P7704B P7703B P7702 P7701A P811B P101 L7701 L802 L801 L753 L752 L...

Page 34: ...0 J369 J384 J362 J364 J365 J374 J385 J386 TC9274AN 008 2 NCAF 7264 25137264 R3320 R3321 C3321 12 7 7 20 22 17 20 25 22 22 7 15 15 17 7 12 22 20 15 15 20 20 22 30 7 7 12 22 17 C1002 C1003 C3000 C3001 C...

Page 35: ...5305 R 5 6 1 6 20 7 7 17 7 17 7 P902 P902 P901A P909 P908 T902 T902 10A 125V AC G S902 S902 J5412 P917 F902B F902A F901B F901A F903A F903B P918 P920 P919 J5407 J5408 E921 RL901 RL901 R901 D924 D923 R9...

Page 36: ...IN ZONE2 OUT MONITOR OUT CPNT VDCL SYNC VDDATA VDCS 5V DGND DGND GND 5V VCR VBR VAR VCI VBI VAI V 5IN DVD IN V4 IN C2001 C2002 C2003 C2004 C2005 C2007 C2008 C2009 C2010 C2011 C2012 C2013 C2014 C2015 C...

Page 37: ...AGND AGND AGND AGND AGND AMUT HPMUT TISTB TDATA VSTB VCL FDATA TCL T2STB VDATA FCL FSTB 15V GND 15V GND GND 5VDSP 15V GND 15V 5VDSP FAC1 FAC2 VP RLGND 24V 12V 5V 5V DGND RLGND VP FAC2 FAC1 HPL HPR HPE...

Page 38: ...12 J7213 J7232 J7264 J7256 J7297 J7294 J7241 J7266 J7226 J7229 J7243 J7240 J7202 NCDIS 7330 25137330B 2 AUDIO SELECTOR DVD VIDEO1 VIDEO2 VIDEO3 VIDEO4 VIDEO5 TAPE FM AM PHONO CD OFF ZONE2 RECOUT DISPL...

Page 39: ...264 R7265 R7266 R7267 R7272 R7275 R7276 R7277 R7279 R7280 R7281 R7282 R7284 R7286 R7287 R7288 R7289 R7291 R7292 R7293 R7294 R7295 R7297 R7301 R7309 R7315 R7316 R7329 R7330 R7338 R7339 R7340 R7376 R737...

Page 40: ...7 J4090 J4072 J4076 J4075 J4074 J4141 J4139 J4140 J4142 J4160 J4155 J4132 J4049 J4051 J4065 J4045 J4016 J4067 J4056 J4046 J4048 J4066 J4102 J4100 J4099 J4088 J4148 J4150 J4126 J4125 J4114 J4105 J4110...

Page 41: ...R4461 R4462 R4470 R4471 R4472 R4491 R4492 R4493 R4494 R4500 R4501 R4502 R4503 R4540 R4541 R4600 R4601 R4602 R4603 R4604 R4605 R4606 R4607 R4610 R4611 R4612 R4613 R4614 R4615 R4616 R4617 R4620 R4621 R4...

Page 42: ...14 Q5074 R5324 J6017 J6019 C5134 C 5 1 3 4 C5124 C5124 C5045 C5045 Q5025 R5105 C5055 C5005 C5005 C5015 R5015 R5005 R5065 R5025 R5295 R5095 D5005 C5035 C5065 R5255 C5115 Q5005 Q5015 R5055 J6013 R5125 R...

Page 43: ...H 1471 L705 R729 230958R1 BK1608LM182 T CIRCUIT NO PART NO DESCRIPTION Coils L751 L752 231237M022R2 NCH 1471 L753 231237K470R2 NCH 1479 L7701 231237K220R2 NCH 1477 L801 L802 231237M022R2 NCH 1471 Capa...

Page 44: ...Plastic C5012 374722215 220pF 10 50V Plastic C5040 C5042 393342217 220uF 16V Elect C5050 C5052 354781009 10uF 50V Elect C5070 C5072 354791009 10uF 100V Elect C5080 C5082 354772209 22uF 63V Elect C5090...

Page 45: ...6931 25055701 NPLG 5P657 FAN DRIVE CIRCUIT PC BOARD NAETC 7238 1N 1O 1P 1Q 1R 1U CIRCUIT NO PART NO DESCRIPTION Transistors Q5601 2212445 2SK365 GR Q5602 Q5603 2215864 KTC3199 GR Q5607 Q6701 2212115 2...

Page 46: ...6931 25055701 NPLG 5P657 FAN DRIVE CIRCUIT PC BOARD NAETC 7238 1N 1O 1P 1Q 1R 1U CIRCUIT NO PART NO DESCRIPTION Transistors Q5601 2212445 2SK365 GR Q5602 Q5603 2215864 KTC3199 GR Q5607 Q6701 2212115 2...

Page 47: ...ohm 5 1 2W Metal oxide R6073 R6074 R6076 443521814 180ohm 5 1 2W Metal oxide R6080 R6082 443521004 10ohm 5 1 2W Metal oxide R6083 R6084 453530224 2 2ohm 5 1 2W Metal R6086 453530224 2 2ohm 5 1 2W Meta...

Page 48: ...C5003 C5004 393384707 47uF 50V Elect C5006 393384707 47uF 50V Elect C5013 C5014 374722215 220pF 10 50V Plastic C5016 374722215 220pF 10 50V Plastic C5043 C5044 393341017 100uF 16V Elect C5046 39334101...

Page 49: ...NSCT 1P2031 F9504A F9504B 25052133 NSCT 1P2031 CIRCUIT NO PART NO DESCRIPTION Fuse labels F9501C 29361747 T2 5AL250V O F9503C 29361769 T1 6AL250V O Sockets JL6953A JL9504A 25051108 NSCT 4P895 Plugs P9...

Page 50: ...NSCT 1P2031 F9504A F9504B 25052133 NSCT 1P2031 CIRCUIT NO PART NO DESCRIPTION Fuse labels F9501C 29361747 T2 5AL250V O F9503C 29361769 T1 6AL250V O Sockets JL6953A JL9504A 25051108 NSCT 4P895 Plugs P9...

Page 51: ...24 3900pF 5 50V Plastic C3020 C3023 374723314 330pF 5 50V Plastic C3026 C3029 393384707 47uF 50V Elect C3120 C3121 354744709 47uF 16V Elect C3122 C3123 354742219 220uF 16V Elect CIRCUIT NO PART NO DES...

Page 52: ...010238 or XTL 17 73M or 3010348 HQS HC49U 17734 11 O CIRCUIT NO PART NO DESCRIPTION Coils L2001 231292J056R2 NCH 1572 L2002 231237K022R2 NCH 1471 Capacitors C2001 354721019 100uF 6 3V Elect C2002 C201...

Page 53: ...507A 25055712 NPLG 20P668 DISPLAY CIRCUIT PC BOARD NADIS 7330 1A 1B 1C 1D 1E 1F 1G CIRCUIT NO PART NO DESCRIPTION FL tube Q7501 212216 16 BT 96GNK Remote sensor U7201 241335 or SPS 444 1 or 241341 SPS...

Page 54: ...8 D P 25051569 NSCT 4P1356 WT A GT R P2510 25045674 NPJ 3PDB472 D P 25045675 NPJ 3PDB473 WT A GT R Sockets P2506B 2009990575UL NSAS 10P0784 P3220B 2009990420 NSAS 6P0564 FRONT VIDEO 2 PC BOARD NADG 72...

Page 55: ...103 29100153 1020x720 Poly bag 105 29110098 Tape PP 107 29053790 Carton box S 111 29053815A Carton box 112 29362958A Label UPC 113 29365090 Warranty card 121 29100097 1A 350 250 Poly bag 123 29343204A...

Page 56: ...N S 29362957A Label EAN G 121 29100097 1A 350 250 Poly bag 122 29100097 1A 350 250 Poly bag 123 29343204A Instruction manual E 124 29343206 Instruction manual FSI P 29343208 Instruction manual CTCS WT...

Page 57: ...GmbH Industriestrasse 20 82110 Germering GERMANY Tel 089 849 320 Fax 089 849 3265 E mail info onkyo de ONKYO CHINA LIMITED Units 2102 2107 Metroplaza Tower I 223 Hing Fong Road Kwai Chung N T HONG KO...

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