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Teac AG-D9260 Service Manual

Manual is about: AV Digital Home Theater Receiver

Summary of AG-D9260

  • Page 1

    A ag g--d d9 9226 60 0 service manual av digital home theater receiver effective : january, 2002 s-0000a notes ● pc boards shown are viewed from parts side. ● the parts with no reference number or no parts number in the exploded views are not supplied. ● as regards the resistors and capacitors, refe...

  • Page 2: Contents

    2 contents specifications .................................................................................................................................3 safety instructions ...................................................................................................................4 measur...

  • Page 3: Specifications

    3 specifications amplifier section surround output power (0.9 % thd, 1 khz, 8 ohms): 100 + 100 watts (front) 100 watts (center) 100 + 100 watts (rear) delay time: dolby digital: rear 0 – 15 ms center 0 – 5 ms dolby pro logic: rear 15 – 30 ms audio input sensitivity/impedance: * line: 220 mv/47 k ohm...

  • Page 4: Safety Instructions

    4 safety instructions precautions during servicing 1. Parts identifide by the ( )symbol parts are critical for safety. Replace only with parts number specified. 2. In addition to safety, other parts and assemblies are specified for conformance with such regulations as those applying to spurious radi...

  • Page 5

    Alignment instructions equipment needed: am signal generator fm signal generator oscilloscope vtvm(ac, dc) test loop antenna (am adjustment) dummy antenna (fm adjustment) distortion analyser important 1. Check power-source voltage. 2. Set the function switch to band aligned. 3. Keep the signal input...

  • Page 6

    1. Tuning frequency range adjustments (fm) dc voltmeter ................ Connect to test point j208 and gnd no. Band frequency adjust for adjustment 1 fm 87.50mhz 1.6v l7 2 am 530 khz 1v l105 [us/c] [530 khz] [1v] [l105] 2. Am tracking adjustment signal generator ........................ Connects to...

  • Page 7

    4. Fm mono distortion adjustment dc volt meter ........................Connect to j205 (-), j207 (+) through the chock coil (100uh). Signal generator ........................Connect to fm ant jack (fm in) through the dummy. Distortion meter .........................Connect to the output. No. Frequen...

  • Page 8: Fip Display

    8 10g 9g 8g 7g 6g 5g 4g 3g 2g 1g p1 source d2 d2 d2 d2 d2 d2 d2 d2 khz p2 aux d1 d1 d1 d1 d1 d1 d1 d1 1d p3 ld e e e e e e e e 1e p4 dvd r r r r r r r r 1c p5 vcr 1 p p p p p p p p 1g p6 rec n n n n n n n n 1f p7 c c c c c c c c 1b p8 sp. F f f f f f f f 1a p9 a g g g g g g g g m p10 b m m m m m m m...

  • Page 9: Pin Connection

    9 pin no. 46 47 f1 f1 pin no. 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 nx nx nx nx 1g 2g 3g 4g 5g 6g 7g 8g 9g 10g np pin no. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 p14 p13 p12 p11 p10 p9 p8 p7 p6 p5 p4 p3 p2 p1 nx pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 f2 f2 np nx nx nx nx p22 p21 p20...

  • Page 10

    Pin no. Symbol i/o description 1,25 vdd - power supply port(+5v) 2,3 function sw1,sw2 i function encoder control port 4 speaker on/off o front speaker relay drive port(“h”) 5 nc - not use(no connection) 6 dsp reset o reset (initial clear) port for yss912 7 surr. Clk o surr. Clk output port 8 data ou...

  • Page 11

    11.

  • Page 12

    Pin no. Symbol i/o description 1,31,71 2 3 4 5 6 7 8 9 10, 30 11 12 13 14 15 16 17 18 19 20 21,41,51,81,91 22 23 24 25 ~ 29 32 ~ 35 36 ~ 39 40,50,60,80,90,100 42 ~ 44 45 ~ 47 48 49 52 53 54 55 56 57 58 59 61 62 63 64 65 66 67 68 69 vdd1 ramcen rama16 rama15 sdib0 sdib1 sdib2 xi xo vss avdd sdib3 tes...

  • Page 13

    13 pin no. Symbol i/o description 70 72 ~ 79 82 83 84 85 86 87 88 89 92 ~ 99 rama2 ramd0~7 sdwck0 sdbck0 sdia0 sdia1 rama1 rama0 ramwen ramoen iport7~0 o i+/o i i i i o o o o i+ external sram interface address 2 external sram interface data (stream0~7 output when external sram is not in use) word cl...

  • Page 14

    14 coef ficient program ram sdbck1 sdwck1 sdob0 sdob1 sdob2 sdob3 ovfb rama 0~16 rama 0~7 sdib3 sdib2 sdib1 sdib0 sdoa2 ramoen ramwen ramcen sdoa1 sdoa0 cpo xo xi sdob interface sdobcksel sdobcksel sdoacksel l,r /sdbck0 sdbck0 sdwck0 sdia0 sdia1 surenc karaoke mute crc ac3da ta dtsda ta nonpcm ls,rs...

  • Page 15

    15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 out4 volume mcu i/f output port out3 out2 out1 avoo swin gnds srin slin gndc cin gndr rin gndl lin bypassr bypassl ltre lbass3 lbass2 lbass1 dvoo clk data latch dgnd agnd swout srout slout cout rout lout avss cl1 cl2 cr1 cr2 rtre rbass3 rbass2...

  • Page 16

    16 pin assignment (74hcu04afn : ic40 ) logic symbol truth table 1 2 3 4 5 6 7 1a 1y 2a 2y 3a 3y gnd 6a 6y 5a 5y 4a 4y vcc 14 13 12 11 10 9 8 a l h y h l 1a (1) (3) (5) (9) (11) (13) 2a 3a 4a 5a 6a 1y 2y 3y 4y 5y 6y (2) (4) (6) (8) (10) (12).

  • Page 17

    17 ak4112avf (dir/input ic41) rx1 fs96 daux lrck bick sdto csn tvdd cclk cdto cdti avss avdd r mcko1 xti xto p/s="l" erf [serial control mode] auto mcko2 rx4 v/tx rx2 rx3 dvss pdn dvdd input selector system control clock recovery daif decoder ac-3/mpeg detect clock generator error detect dem x’tal o...

  • Page 18

    18 lc72131 (pll synthesizer/ tuner ic11) xin reference divider samllom counter 1/16, 1/17 4bits phase detector charge pump unlock detector universal counter power on reset ccb i/f 12bits programmable divider data shift register latch pd ain aout ifin xout fmin amin ce di cl do v dd v ss bo1 bo2 bo3 ...

  • Page 19

    19 level shifter 2 1 2 1 3 4 2 5 6 3 7 4 1 2 1 3 4 2 5 6 3 7 4 1 3 4 5 6 7 8 9 10 14 28 11 12 13 27 26 25 24 23 22 21 20 19 18 17 16 15 latch circuit shift register level shifter latch circuit l-s r-s vss gnd vdd l-s l-com l-s l-s l-com l-s l-s l-com l-s l-com st r-s r-com r-s r-s r-com r-s r-s r-co...

  • Page 20

    20 s5 s1 s2 6.2db amp 75 dirver 6.2db amp 6.2db amp s4 s3 s6 s7 20k 20k 20k 13 vin1 v+ v- sw2 sw1 vout1 vout2 vout3 sw4 block diagam (njm2296m /main ic96) sw3 gnd sw5 vin2 vin3 vin4 vin5 1 15 11 16 10 14 12 2 9 7 5 4 6 8 3 20k 20k 20k 20k 20k 75 dirver 75 dirver 1 2 3 4 8 la6462m/ la6458m pin funcit...

  • Page 21

    21 transistor, regulator ic block diagram to-92s 1. Emitter 2. Collector 3. Base 1. Emitter 2. Collector 3. Base ksa1175y kta1271y dtc144es dta114ys dtc143ts 2sc4137v 2sa1360o ktd1302t ktc3200gr ktc31940 kta1268gr ksc2785y krc114m ksd811y dta144es dtc114ys dta144ts 2sc34230 1. Emitter 2. Collector 3...

  • Page 22

    X4 2 s5 20 s13 x2 x2 x2 22 21 x2 s6 s6 x4 descripion holder pcb foot rubber cushion foot foot front top bracket rear panel front pcb ass'y ac cord rubber tr bracket ac cord bushing input pcb ass'y window fip top cabinet heat sink main pcb ass'y ktw3+12j screw s12 screw screw s14 s13 ktb3+10j ktw3+8j...

  • Page 23

    23 exploded view ref.No. Parts no. Description 1 9a08904800 panel,front [us,c,uk(b)] 9a08904810 panel,front [e] 9a08959600 panel,front [uk(n)] 2 9a07047400 badge [except uk(n)] 9a08887100 badge [uk(n)] 3 9a06777500 knob,power [except uk(n)] 9a08959500 knob,standby [uk(n)] 4 9a08904600 knob,mode [exc...

  • Page 24

    24.

  • Page 25

    25.

  • Page 26

    26.

  • Page 27

    Input pcb assy ref.No. Parts no. Description 9a08939500 input pcb assy [us,c] 9a08939510 input pcb assy [e,uk] 9a08953300 input pcb 9a08215300 pack,front end [us,c] 9a08957300 pack,tuner [e,uk] ant1 9a07371900 terminal,ant [us,c] ant1 9a08957400 terminal,ant [e,uk] bn13,bn14 9a08036700 wafer cf11,cf...

  • Page 28

    Main pcb assy ref.No. Parts no. Description 9a08939400 main pcb assy [us,c] 9a08939410 main pcb assy [e] 9a08939420 main pcb assy [uk] 9a08950900 main pcb 9a08952200 heat sink 9a08745400 bracket,pcb(h/t) 9a08952300 bracket,pcb cn17 9a06250600 wafer,02ga19zm cn73 9a05356500 wafer,molex 53014-0710 cn9...

  • Page 29

    29 included accessories ref.No. Parts no. Description remarks 9a08584400 owner's mnl,e/f [us,c] 9a08523500 owner's mnl,e/f/g/i/s [e,uk(b)] 9a08688800 owner's mnl,e/f [uk(n)] 9a08763300 remote control unit,ur-417 9a08886100 am loop antenna assy [us,c] 9a08880900 am loop antenna assy [e,uk] 9a08886000...

  • Page 30: G--D

    8 6 7 4 5 2 3 1 e d c b a schematic diagram ag-d9260 av digital home theater receiver a ag g--d d9 9226 60 0 1 st issue; june 2001 notes: 1. Resistor values are in ohms (k=kilo-ohms, m=megohms). 2. Capacitor values are in microfarads (p=picofarads). 3. £parts marked with this sign are safety critica...

  • Page 31: G--D

    8 6 7 4 5 2 3 1 e d c b a schematic diagram ag-d9260 av digital home theater receiver a ag g--d d9 9226 60 0 1 st issue; june 2001 notes: 1. Resistor values are in ohms (k=kilo-ohms, m=megohms). 2. Capacitor values are in microfarads (p=picofarads). 3. £parts marked with this sign are safety critica...

  • Page 32

    8 6 7 4 5 2 3 1 e d c b a schematic diagram ag-d9260 av digital home theater receiver a ag g--d d9 9226 60 0 1 st issue; june 2001 instructions for service personnel before returning appliance to the customer, make leakage- current or resistance measurements to determine that exposed parts are accep...