Onkyo TX-L5 Service Manual
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Onkyo TX-L5 Service Manual

Silver and titan models
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Summary of Contents for Onkyo TX-L5

  • Page 2: Specifications

    TX-L5 SPECIFICATIONS AMPLIFIER SECTION Power Output (FTC) All channels 22 watts per channel min. Output Level and Impedance RMS. into 6 ohms two channel driven, REC OUT (VIDEO 1, TAPE/MD, HD) 150 mV, 2.2 kohms 1,000 Hz with no more than 0.6 % total SUB WOOFER PRE OUT 1 V, 2.2 kohms...

  • Page 4: Panel Views

    Pressing the button again returns the This button is used to assign the radio station that is currently tuned TX-L5 to the standby state. This state turns off the display, disables in to a preset channel or delete a previously preset station.

  • Page 5: Rear Panel

    You must also connect the audio cables as well. • If the connected component has two connectors, you can use either one to connect to the TX-L5. The other one can be used to daisy chain with another component.

  • Page 6: Remote Controller

    TUNER INPUT SELECTOR buttons DVD MD Control For selecting the input source. TOP MENU MENU DVD•MD Control buttons For operating -connected Onkyo components connected to the TX-L5. ENTER RETURN SETUP SURR MODE button Press to select the surround mode. PLAY STEREO button Press to change the listening mode to stereo.

  • Page 7: Exploded View

    TX-L5 EXPLODED VIEW P901 P101 Q5530 Q5540 P7001 Q5544 Q5534 F902 F901 T901 F931...

  • Page 8: Exploded View Parts List

    TX-L5 EXPLODED VIEW-PARTS LIST 2 REF. REF. PART NO. DESCRIPTION PART NO. DESCRIPTION 1A908562-1A NAPS-7162-1A,Primary circuit 1A908572-1A NADIS-7172-1A,Display circuit PC board ass'y <D> PC board ass'y <D> 1A908562-1B NAPS-7162-1B,Primary circuit 1A908572-1B NADIS-7172-1B,Display circuit PC board ass'y <P/A> PC board ass'y <P>...
  • Page 9 TX-L5 EXPLODED VIEW-PARTS LIST 1 REF. REF. PART NO. DESCRIPTION PART NO. DESCRIPTION 27111234 Front bracket <S> F901 252084 or ! 0.63A-SE-EAWK or 27111235 Front bracket <T> 252235 ! 630MA-SE-TL250V,Fuse <P/GT/R/A> 838130088 3TTB+8B, Self-tapping screw F902 252159 or ! 2A-UL/T-237 or...
  • Page 10 B L O C K D I A G R A M F R O N T S P N A A R - 7 1 7 1 ( S c h e m a t i c 1 , 2 ) ( S c h e m a t i c 3 ) V O L U M E + 2 8 d B...

  • Page 11: Schematic Diagram

    TX-L5 SCHEMATIC DIAGRAM 1-1 Preamplifier section R301 R303 C301 LEFT DVD IN R302 NAAR-7171 RIGHT R304 C302 R305 R307 C303 LEFT 2.2K V1 OUT R306 RIGHT 2.2K R308 C304 C334 104Z R309 R311 C305 C401 R401 LEFT C333 47/16 10/16...
  • Page 12 TX-L5 SCHEMATIC DIAGRAM 1-2 Preamplifier section NAAR-7171 NJM4565V C417 10/16 AP_L Q401 C407 C401 R401 101J NJM4565V R425 2.7K 10/16 R417 VOUT_L R427 Q401 C411 C409 2.2K 0.22/50 0.22/50 C405 R409 10/16 C403 101J APOFF_L Q403 RN1441 NJM4565V R433 C433 R435 3.3K...

  • Page 13: Dsp Section

    TX-L5 SCHEMATIC DIAGRAM 2-1 DSP section TO NAAR-7171(SCHEMATIC 1) C3151 C3152 C3153 C3154 C3155 C3156 330J 330J 330J 330J 330J 330J R3161 R3162 R3163 R3164 R3165 R3166 3.3K 3.3K 3.3K 3.3K 3.3K 3.3K DGND +22V R3151 R3152 R3153 R3154 R3155 R3156 3.3K...
  • Page 14 TX-L5 SCHEMATIC DIAGRAM 2-2 DSP section U 1 1 Q794 +5VDSP +22V MPC2925T Q791 +13V2 78M12HF R855 R856 R858 R853 +2.5V +12V C3155 C3156 +13V1 NONE (1W) (1W) (1W) (1W) 330J 330J R860 R854 R3165 R3166 +22V 3.3K 3.3K Q795...
  • Page 15 TX-L5 SCHEMATIC DIAGRAM 3-1 Powe r a m p. s ec t io n N A A F - 7 1 6 1 N A A F - 7 1 6 0 C E N T E R R5014 (1/2W)
  • Page 16 TX-L5 SCHEMATIC DIAGRAM 3-2 Powe r a m p. s ec t io n F R O N T L E F T R5010 Q5530 Q5010 Q5020 Q5070 C5060 Q5050 2SC4511 2SC1622 2SC1622 101J R513068K 2SA1015-GR Q5510 2SA1015-GR 2SC2235 R5030...
  • Page 17 TX-L5 SCHEMATIC DIAGRAM 4-1 Powe r s up p ly a n d V id e o se ct io n JL931B NAPS-7162 CAUTION J TYPE D TYPE P TYPE G TYPE FOR CONTINUED PROTECTION F901 NONE NONE T630MAL250V T630MAL250V...
  • Page 18 TX-L5 SCHEMATIC DIAGRAM 4-2 Powe r s up p ly a n d V id e o se ct io n JL931B NAPS-7163 T901 D933 RBV-402 R938 1 (1/2W) R923 4.7K R939 D932 R931 1 (1/2W) J/D-TYPE C933 22 (1/2W)
  • Page 19 TX-L5 SCHEMATIC DIAGRAM 5-1 D i spl ay s e c t ion NASW-7175 NADIS-7172 D7007 +5.6S +5.6S Q7003 P_LED P_LED RN2402 STBY STBY Q7211 RN1402 RN1402 Q7210 S1/T1 S2/T2 Q7207 Q7206 Q7205 Q7204 Q7203 Q7202 Q7201 S3/T3 S4/T4 S5/T5...
  • Page 20 TX-L5 SCHEMATIC DIAGRAM 5-2 D i spl ay s e c t ion Q7002 RN1404 VCTLA VCTLB VMUT SYSIN INT1 INT0 DIRCS DIRPD ABOOT/INT DSPSI DSPSCK DSPDO P15/SCK1 R7100 STEREO DSPRST Q7004 R7099 P14/SI1/SB1 X7001 DSPCS TC7W14 R7098 PLLCE CSTCC10.0MG-TC...

  • Page 21: Wiring View

    TX-L5 WIRING VIEW Schematic diagram 4 INPUT Schematic Schematic Schematic diagram 3 diagrams 1 and 2 diagram 4 P942A NAETC- P941A 7177 P101 P901A P702A P253A P5504A Primary P5504 Preamp./ JL931B NAETC- P5503A 7166 P702B NAPS- 7162 P5503 NAAR- P253B...

  • Page 22: Printed Circuit Board-Parts List

    TX-L5 PRINTED CIRCUIT BOARD-PARTS LIST 4 CIRCUIT NO. PART NO. DESCRIPTION CIRCUIT NO. PART NO. DESCRIPTION Capacitors Capacitors C7001-C7004 356724709R2 47uF,6.3V,Elect. C254,C257 356780229R2 2.2uF,50V,Elect. C7005 354724719 470uF,6.3V,Elect. C259 356721019R2 100uF,6.3V,Elect. C7006 375524744 0.47uF+/-5%,50V,Plastic Terminals C7007 3000120 FMC0H104Z,Super P131 25045473 NPJ-1PDBL291...
  • Page 23 TX-L5 PRINTED CIRCUIT BOARD-PARTS LIST 3 CIRCUIT NO. PART NO. DESCRIPTION CIRCUIT NO. PART NO. DESCRIPTION Diodes Terminals D701,D702 223234R2 or 1SS352 or P301,P302 25045571 NPJ-6PDRW386 223269R2 1SS355 P303 25045575 NPJ-4PDRW389 Oscillator Plugs X702 3010324R2 CSTCV12.2MTJ0C4 JL932B 25055628 NPLG-7P590 Coils...
  • Page 24 TX-L5 PRINTED CIRCUIT BOARD-PARTS LIST 2 CIRCUIT NO. PART NO. DESCRIPTION CIRCUIT NO. PART NO. DESCRIPTION Power transformer Label T902 2301464 ! NPT-1398D <D/DT> F931C 29361747 T2.5AL250V,Fuse <P/A/GT/R> Plug 2301465 ! NPT-1398G <GT/R> 2301539 ! NPT-1398P <P/A> P933B 25055372 NPLG-8P355...
  • Page 25 TX-L5 PRINTED CIRCUIT BOARD-PARTS LIST 1 POWER AMPLIFIER PC BOARD (NAAF-7160-1A/1B/1D/1E) DRIVER CIRCUIT PC BOARD (NAAF-7161-1A/1B/1D/1E) CIRCUIT NO. PART NO. DESCRIPTION CIRCUIT NO. PART NO. DESCRIPTION Transistors Transistors Q5500-Q5504 2213284 or 2SC1740S-R or Q5010-Q5014 2216154R2 or 2SC1622A(D18) or 2215864 KTC3199-GR...
  • Page 26 TX- L5 MICROPROCESSOR CONNECTION VIEW Q433,Q434,Q442 Q201,Q202,Q251 POWER PVDD AVDD Q443,Q462-Q464 MONITOR AVSS FAILURE AUDATA1 CMPCLK/SCLKN2 28 PREOUT MUTE OUPUT MUTE AUDATA0 CMPDAT/RCV958/SDATAN2 27 PVSS DFZ2 R7304 R7303 R7302 R7301 DET. SWITCH SWITCH LRCLK LRCKN1 26 SCLK SCLKN1/STCCLK2 25 SLAVE CCLK Q701 MCLK...
  • Page 27 TX-L5 MICROPROCESSOR TERMINAL DESCRIPTION Symbol Act. Description Symbol Act. Description VCTRLA Video control output pin A ENCV2 EDGE Pulse signal input pin from rotary encoder for volume VCTRLB Video control output pin B ENCS1 EDGE Pulse signal input pin from rotary encoder for input selector ~DIRPD Power down output pin to CODEC IC AK4586.
  • Page 28 REF. NO. PART NO. DESCRIPTION 29091997A 29100141A 700*600,Polybag 29110098 PP tape 282301 Staple 29095909 Sheet, accessaory 29053771A Carton box <D> 29053772A Carton box <P> 29053791A Carton boax <A/DT/GT> 29053792 Carton box <GR> 29362911A Label UPC <D> 29362912A Label EAN <A/DT/GT/R> 29362913A Label EAN <P>...

  • Page 29: Pc Board View

    TX-L5 PC BOARD VIEW P303 P302 P301 MD_IN P303 MD_OUT HD-IN HD-OUT V2_IN V1_IN V1_OUT U1 1 P302 P301 C3162 C3161 C331 C333 R3162 R3161 C3152 C3151 Q3111 R3152 R3151 C3142 C3141 R3142 R3141 C3132 C3131 MAIN CIRCUIT PC R3132...
  • Page 30 TX-L5 15mm Loca_Ver.1 PC BOARD VIEW P303 P302 P301 MD_IN P303 MD_OUT HD-IN HD-OUT V2_IN V1_IN V1_OUT P302 P301 U 11 C3162 C3161 C331 C333 R3162 R3161 C3152 C3151 Q3111 R3152 R3151 C3142 C3141 R3142 R3141 C3132 C3131 R3132 R3131...
  • Page 31 TX-L5 PC BOARD VIEW C322 C321 C323 R302 R301 R306 R305 R310 R309 R314 R313 R318 R317 R322 R321 R326 R325 R330 R329 R304 R303 R308 R307 R312 R311 R316 R315 R320 R319 R324 R323 R328 R327 R332 R331 C302...
  • Page 32 TX-L5 PRINTED CIRCUIT BOARD VIEW FROM SLOLDRING SIDE 2-1 P5602 P5602 J5201 J5200 J5145 NCETC-7166 25137166 J5143 R5554 R5524 L5504 COMPONENT SIDE C5514 L5504 SURROUND SPEAKER J5125 TERMINAL PC BOARD RL5602 RL5602 C5524 R5544 J5140 R5523 RL5601 JL562B C5513 RL5601...
  • Page 33 TX-L5 PRINTED CIRCUIT BOARD VIEW FROM SLOLDRING SIDE 2-2 C5614 C5612 C5613 C5604 C5602 R5504 C5603 SOLDERING SIDE R5514 SURROUND SPEAKER TERMINAL PC BOARD R5503 R5601 JL562B R5513 CSRL +22V RLGND C5601 C5611 C5610 R5502 C5600 JL561A SOLDERING SIDE R5512...
  • Page 34 TX-L5 PC BOARD VIEW 2-3 R5014 FROM SOLDERING R5024 Q5064 SIDE R5174 J5046 R5144 J5045 R5094 C5064 R5044 R5104 Q5074 C5044 Q5054 R5164 C5074 C5114 C5104 C5084 D5014 Q5084 R5134 R5124 R5184 DRIVER CIRCUIT R5084 R5074 C5054 R5013 Q5063 PC BOARD...
  • Page 35 TX-L5 PRINTED CIRUCIT BOARD VIEW 3-3 Q254 R254 C253 R253 D262 C261 P253B D261 R257 C255 C256 C256 R258 D201 D202 C254 Q254 C257 R254 C253 R255 R264 R263 R262 R261 P253B R259 Q209 C256 C256 D201 C252 D202 C252...

  • Page 36: Printed Circuit Board View

    TX-L5 PRINTED CIRCUIT BOARD VIEW 4-2 Q7501 R7502 P7001B P7005 Q7501 P7001B NCDIS-7172 S7352 25137172 S7351 R7304 S7352 S7351 S7305 S7308 S7303 S7304 S7309 PARTS SIDE A PCB SIDE A PARTS SIDE A PCB SIDE B Q7208 PARTS SIDE B PCB SIDE B...
  • Page 37 TX-L5 PRINTED CIRCUIT BOARD VIEW 4-3 NCSW-7175 25137175 D7210 P7601 D7211 S7301 JL7001B PARTS SIDE A PCB SIDE A PARTS SIDE A PCB SIDE A NCSW-7175 25137175 D7210 P7601 D7211 S7301 JL7001B PARTS SIDE A PCB SIDE B PARTS SIDE A PCB SIDE B...

  • Page 38: Optical Input

    TX-L5 PRINTED CIRCUIT BOARD VIEW 3-1 RISK OF FIRE U121 U122 U123 -REPLACE FUSE 2A/125V F902 AS MARKED. U122 U123 F902A F902B NCDG-7174 C144 25137174 F901A P122A F901B R149 R150 F901 T630mAL250V J922 RL901 PARTS SIDE A Q921 SIDE A...
  • Page 39 Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8111 Fax: 072-833-5222 ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 E-mail: onkyo@onkyousa.com ONKYO EUROPE ELECTRONICS GmbH Industriestrasse 20, 82110 Germering, GERMANY Tel: 089-849-320 Fax: 089-849-3265 E-mail: info@onkyo.de...

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