Yamaha HTR-5920 Service manual

Other manuals for HTR-5920: Owner's Manual
Manual is about: Yamaha AV Receiver Owner's Manual

Summary of HTR-5920

  • Page 1

    Service manual 1 0 1 0 0 1 important notice this manual has been provided for the use of authorized yamaha retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically yamaha products, are already known and understood by the...

  • Page 2

    Htr-5920 2 htr-5920 wall outlet equipment under test ac leakage tester or equivalent insulating table ■ to service personnel 1. Critical components information components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally insta...

  • Page 3

    Htr-5920 3 htr-5920 ■ rear panel u, c models ■ remote control panel.

  • Page 4

    Htr-5920 4 htr-5920 151 (5-15/16") 130 (5-1/8") 270 (10-5/8") 21 (13/16") 21 (13/16") 12 (1/2") 303 (11-15/16") 435 (17-1/8") mm (inch) unit : ■ audio section minimum rms output power per channel for front, center and surround 1 khz, 0.1 % thd, 6 ohms ................................... 80 w 1 khz, ...

  • Page 5

    Htr-5920 5 htr-5920 • set menu table main menu select menu value [initial] 1 2 3 4 front l center front r surround r surround l subwoofer front center surround subwoofer front center surround -10 db to +10 db, [0 db], 1 db step lrg, [sml], none [yes], none 1 ft to 30 ft, [10 ft], 1 ft step -2, -1, [...

  • Page 6

    Htr-5920 6 htr-5920 amp (2) p.C.B. Amp (3) p.C.B. Power transformer amp (7) p.C.B. Amp (1) p.C.B. Input p.C.B. Amp (4) p.C.B. Amp (5) p.C.B. Amp (6) p.C.B. Front (3) p.C.B. Front (2) p.C.B. Front (1) p.C.B. 0 b a 1 2 5 4 6 3 7 8 9 1 2 3 4 5 6 7 8 9 0 a b turn on the power while pressing these keys. ...

  • Page 7

    Htr-5920 7 htr-5920 2 1 1 4 3 3 3 ground lead ground lead cn83 cn96 front panel unit cn11 top cover ■ disassembly procedures fig. 1 (remove parts in the order as numbered.) disconnect the power cable from the ac outlet. 1. Removal of top cover a. Remove 6 screws (1) and 7 screws (2) (fig. 1) b. Slid...

  • Page 8

    Htr-5920 8 htr-5920 5 6 7 7 8 cn12 tuner rear panel cord stopper fig. 3 fig. 4 3. Removal of rear panel and tuner a. Remove cn12. (fig. 2) b. Remove 2 screws (5). (fig. 3) c. Remove tuner. (fig. 2) d. Remove 15 screws (6). (fig. 3) e. Remove 2 screws (7). (fig. 3) f. Remove 6 screws (8). (fig. 4) g....

  • Page 9

    Htr-5920 9 htr-5920 9 0 input p.C.B. Amp (4) p.C.B. Note: when assembling the amp (4) p.C.B., be careful not to bend the pin of the connectors (bn92 and bn94). Note: when assembling the amp (4) p.C.B., be careful not to bend the pin of the connectors (cn13 and cn14). Heat sink amp (1) p.C.B. Cn95 cn...

  • Page 10

    Htr-5920 10 htr-5920 ■ maintenance flow chart no no no yes yes yes yes yes yes yes power on is fl display turns on? Are all keys on front panel work well? Is connection of cable correct? Are voltages of bn82 (pin 1 to 4) correct? Check connection of cable no no no no check power supply of bn82 check...

  • Page 11

    Htr-5920 11 htr-5920 no no no no no no no is volume work well? Is output of phones correct? Are inputs of ic81 (pin 71 and 72) correct? Check power supply part check and replace vr82 check power supply part check connection of cable check circuit pattern check and replace ic81 is implementation of v...

  • Page 12

    Htr-5920 12 htr-5920 is work of remote control? Is waveform of rc81 correct? Check and replace ic81 is power voltage of rc81 correct? Is power voltage of each board correct? Front p.C.B. Is o.K. No no no check power supply part check power supply part check and replace rc81 no b yes yes yes yes fron...

  • Page 13

    Htr-5920 13 htr-5920 is input selector of ic21 correct? Are outputs of vcr, md/cd-r correct? Check connections for bn14 and amp board check connections for cn11 and front board check and replace ic21 analog part is o.K. Check and replace ic21 no no no yes yes yes yes yes power on no no check and rep...

  • Page 14

    Htr-5920 14 htr-5920 is recognition of digital source correct? Are input waveforms of ic32 (pin 57 and 59) correct? Are waveforms of ic32 (pin 14 to 20) correct? Check connections for external device check power supply part and crystal oscillation part are power voltage and oscillation of ic32 corre...

  • Page 15

    Htr-5920 15 htr-5920 is output correct, when analog input are waveforms of ic32 (pin 51 and 52) correct? Are power voltage and ground of ic32 correct? Digital part is o.K. Check power supply part no yes yes yes no no check and replace ic32 c d input p .C.B. 3/3 (digital part).

  • Page 16

    Htr-5920 16 htr-5920 does protect circuit work? Is connection of all cable correct? Check voltages cn94 pin 2 : low cn96 pin 5 : 1.5v check protect circuit and power supply part check and replace speaker relay (ry62-64) is implementation of speaker relay correct? Are power voltages of ic91 to 93 cor...

  • Page 17

    Htr-5920 17 htr-5920 amp p.C.B. 2/2 no yes is output audio correct? Check connections of speaker cable amp board is o.K. E.

  • Page 18

    Htr-5920 18 htr-5920 ■ display data 1g 2g 3g 4g 5g 6g 7g 8g 9g dp (11g) (2g-10g) s1 s2 s1 s3 s4 s3 10g 11g note : 1) f+, - ..... Filament pin 2) np ..... No pin 3) nx ..... No extended pin 4) ng ..... Grid pin 5) pn ..... Anode pin pin no. Connection pin no. 1 f- 2 nx nx nx 3 np 4 np 5 1g 2g 3g 4g 5...

  • Page 19

    Htr-5920 19 htr-5920 p1 1g 2g 3g 4g 5g 6g 7g 8g 9g 10g 11g p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 p13 p14 p15 p16 p17 p18 f a1 a2 h j k b m g e r p n c d1 d2 f a1 a2 h j k b m g e r p n c d1 d2 f a1 a2 h j k b m g e r p n c d1 d2 f a1 a2 h j k b m g e r p n c d1 d2 f a1 a2 h j k b m g e r p n c d1 d2 f...

  • Page 20

    Htr-5920 20 htr-5920 ■ ic data ic81: tmp87ps71af (front p.C.B.) microprocessor p96 (s14) p95 (s13) p94 (s12) p93 (s1 1) p92 (s10) p91 (s9) p90 (s8) p87 (s7) p86 (s6) p85 (s5) p84 (s4) p83 (s3) p82 (s2) p81 (s1) p80 (s0) p77 (g0) p76 (g1) p75 (g2) p74 (g3) (sis) p97 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1...

  • Page 21

    Htr-5920 21 htr-5920 no. Port assignment port name description i/o active remarks ic81: tmp87ps71af (front p.C.B.) microprocessor 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 to 54 55 to 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 p10 p11 p12 p13 p...

  • Page 22

    Htr-5920 22 htr-5920 pin no. Port assignment port name description shift register ic24: cd4094b (input p.C.B.) 8-stage shift and store bus register 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 strobe input data input clock input output output output output vss n.C. N.C. Output output output output output ...

  • Page 23

    Htr-5920 23 htr-5920 ■ pin connection diagrams anode cathode 14 7 1 1 4 8 +v s gnd v out 39 6 1 7 18 40 44 28 29 17 14 7 1 40 60 61 1 41 20 21 80 24 12 1 16 8 1 9 1 bd3816k1 1 24 25 40 41 64 65 80 1 24 25 40 41 64 65 80 1n4003 uf4004 dq10 1n4403s 1ss133 78l08 cs493264 ba4560rf 74lcx08 ak4589 tmp87ps...

  • Page 24

    Htr-5920 24 htr-5920 • transistors b c e e c b e c b e c b e b c e c b e c b ktd1304 2sc3200 kra102mt 2sb811y 2sc2785y kta1267yt kta1268grt ktd2058y ktc3199yt krc114mt ktc2874bt ktc3198y 2sc2785 2sc2785y 2sb811y 2sa1271y 2sc3199 2sa102m c e b krc102mt bc e e c b.

  • Page 25

    A b c d e f g h i j 1 2 3 4 5 6 7 htr-5920 25 ■ block diagram ic21 ic52 ic51 fl81 s851-s871 rc81 1 76-78 ic81 2, 3 10, 11 6, 7 4, 5 12, 13 8, 9 74, 75 78, 79 76, 77 48 23, 24 57 ic32 ic31 pwr1 ry91 t901 ry61 ry61 ry62 ry63 ry64 ry63 59 51, 52 20, 22, 24 1 4 9 6 8 2, 3 5, 12, 13 2, 4 3, 10, 15 microp...

  • Page 26

    2 a b c d e f g h i j 1 3 4 5 7 htr-5920 6 26 d101 d6 d501 b4 d502 b4 ic22 e4 ic23 e4 q502 d4 q503 d4 ref no. Location ■ printed circuit boards input p.C.B. (side a) monitor out y/p b /p r dvd y/p b /p r dvd coaxial dtv/cbl optical monitor out cd l/r sub woofer dvd v-aux dtv/cbl out l/r in l/r out l...

  • Page 27

    A b c d e f g h i j 1 2 3 4 5 6 7 htr-5920 27 ic18 f3 ic21 d4 ic24 e4 ic25 c5 ic26 d5 ic27 e5 ic28 c4 ic31 g5 ic32 f5 ic36 g6 ic37 g6 ic51 g4 q143 e3 q301 g6 q302 f6 q504 f4 ref no. Location input p.C.B. (side b) • semiconductor location.

  • Page 28

    2 a b c d e f g h i j 1 3 4 5 7 htr-5920 6 28 amp (4) (bn92) amp (3) (cn93) amp (1) p.C.B. To thermistor (th09) front (3) (cn96) amp (2) (cn95) t o power transformer t o power cable front center l r sub woofer speakers surround l r amp (4) (bn94) (side a) d101 d4 d102 d4 d105 i3 d106 h3 d107 i3 d108...

  • Page 29

    A b c d e f g h i j 1 2 3 4 5 6 7 htr-5920 29 amp (1) (bn95) to power transformer to power transformer front (1) (bn82) amp (1) (bn93) amp (2) p.C.B. Amp (5) p.C.B. Amp (6) p.C.B. Amp (7) p.C.B. Amp (3) p.C.B. Amp (4) p.C.B. Amp (1) (cn94) amp (1) (cn92) input (bn14) input (bn13) (side a) (side a) (...

  • Page 30

    2 a b c d e f g h i j 1 3 4 5 7 htr-5920 6 30 volume amp (1) (bn96) front (1) (bn73) man'l / auto fm auto / man'l phones - + preset / tuning set menu (effect) preset / tuning - + bass / treble front (1) (bn73) standby /on front (3) (bn73-2) front (2) (bn73-1) amp (2) (cn96) input (cn11) front (1) p....

  • Page 31

    A b c d e f g h i j k l htr-5920 31 schematic diagrams 1 2 3 4 5 6 7 8 9 ★ all voltages are measured with a 10m /v dc electronic volt meter. ★ components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. ★ schematic...

  • Page 32

    Htr-5920 a 1 2 3 4 5 6 7 8 9 b c d e f g h i j k l 32 ★ all voltages are measured with a 10m /v dc electronic volt meter. ★ components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. ★ schematic diagram is subject...

  • Page 33

    A b c d e f g h i j k l htr-5920 33 1 2 3 4 5 6 7 8 9 ★ all voltages are measured with a 10m /v dc electronic volt meter. ★ components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. ★ schematic diagram is subject...

  • Page 34

    Htr-5920 a 1 2 3 4 5 6 7 8 9 b c d e f g h i j k l 34 ★ all voltages are measured with a 10m /v dc electronic volt meter. ★ components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. ★ schematic diagram is subject...

  • Page 35

    35 htr-5920 ✻ new parts ✻ new parts p.C.B. Input p.C.B. Amp and p.C.B. Front * aax76710 p.C.B. Input * ic18 aax77300 ic 74hcu04 * ic21 aax77130 ic bd3816k1 * ic22 aax77330 ic ka78l08 * ic23 aax77340 ic ka79l08 * ic24 aax77150 ic cd4094b * ic25‑28 aax77190 ic ba4560rf * ic36 aax77310 ic 74lcx08 * ic3...

  • Page 36

    2 a b c d e f g h i j 1 3 4 5 7 htr-5920 6 36 • overall ass’y s10 s2 s7 s3 s3 s4 s6 s6 s1 s7 s7 s7 s7 s7 s7 s7 s7 s3 s3 s3 s8 s12 s3 s3 p10 p11 p8 p7 p5 p6 s7 p5 p6 s7 s1 s5 s5 s5 s5 s1 s1 s2 s5 s5 p2 p1 p3 p4 s9 s10 s3 s3 s1 m3 c6 s1 p9 c7 s11 c5 c4 c3 (3) c4 (1) c4 (6) c4 (7) c2 (2) c2 c1 (3) c2 (...

  • Page 37

    37 htr-5920 * p1 aax76670 fip window cgu1a387z * p2 aax76810 filter cmz1a108 * p3 aax76820 volume knob cbn1a207m7g5 * p4 aax76690 front panel ass'y cgw1a416za * p5 aax76850 foot ckl1a089m7g5 * p6 aax76760 cushion foot chg1a329 p7 aax73640 rubber chg1a113 p8 aax73910 p.C.B. Support che170 p9 aax73380...

  • Page 38

    2 a b c d e f g h i j 1 3 4 5 7 htr-5920 6 38 ■ remote control • key code • schematic diagram • panel 1 19 20 21 22 23 24 25 26 27 29 35 38 39 43 47 51 55 48 52 49 53 54 56 58 44 45 40 42 30 2 7 11 8 12 9 13 10 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 standby power on – – – – cd md/cd-r...