Onkyo-TXLR552-avr-sm 电路图 维修手册.pdf

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1、TX-L55/LR552 SERVICE MANUALSERVICE MANUAL AV Receiver Titanium and Silver models MODEL TX-L55 230-240V AC, 50Hz 220-230V AC, 50Hz SMPP,SMPA SMGQ,SMGR,SMGT Ref. No. 3822 082004 MODEL TX-LR552 120V AC, 60Hz 120V AC, 60Hz TMDD SMDD Silver models TX-L55 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENT

2、IFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY I

3、NSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 TX-LR552 SPECIFICATIONS Amplifier Section Video Section Tuner Section FM AM General Video Inputs Video Outputs Audio Inputs Audio Outputs Specifications and features are subject to change without

4、 notice. Power output:Front L/R 65 W + 65 W Center 65 W Surround L/R 65 W + 65 W Surround back L/R 65 W (6 , 1 kHz, FTC) Dynamic power:40 W + 40 W (8 , front) THD (total harmonic distortion):FTC 5.0% (rated power) Damping factor:75 (front, 1 kHz, 8 ) Input sensitivity and impedance:200 mV/47 k (AUX)

5、 Output level and impedance:200 mV/470 (REC OUT) Frequency response:10 Hz60 kHz/+1.5 dB, +/-3 dB (AUX) Tone control:12 dB, 100 Hz (BASS) 12 dB, 20,000 Hz (TREBLE) S/N ratio (Direct mode): 100 dB (AUX, IHF-A) Speaker impedance:6 16 Input sensitivity, output level and impedance:1.0 Vp-p/75 (component

6、and S-Video Y) 0.7 Vp-p/75 (component PB/CB, PR/CR) 0.28 Vp-p/75 (S-Video C) 1.0 Vp-p/75 (composite) Component video frequency response:5 Hz50 MHz Tuning frequency range: 87.5107.9 MHz Usable sensitivity:Stereo 17.2 dBf, 2.0 V (75 IHF) Mono 11.2 dBf, 1.0 V (75 IHF) S/N ratio:Stereo 67 dB (IHF-A) Mon

7、o 70 dB (IHF-A) Frequency response:30 Hz15 kHz/+1 dB, 1 dB Stereo separation:45 dB at 1 kHz Tuning frequency range: 5301710 kHz Usable sensitivity:30 V S/N ratio:40 dB Power supply:AC 120 V, 60 Hz Power consumption:110 W Standby power consumption:1.70 W Dimensions (W x H x D):17-1/8 x 3-9/16 x 14-7/

8、16 (435 x 91 x 367 mm) Weight:14.3 lbs. (6.5 kg) Component video inputs:2 (COMPONENT VIDEO 1, 2) S-Video inputs:3 (DVD, VIDEO 1, VIDEO 2) Video inputs:3 (DVD, VIDEO 1, VIDEO 2) Component video outputs:1 (MONITOR) S-Video outputs:2 (MONITOR, VIDEO 1) Video outputs:2 (MONITOR, VIDEO 1) Digital inputs:

9、3 (Optical 1, 2, Coaxial) Analog inputs:5 (AUX, VIDEO 1, VIDEO 2, TV, DVD) Multichannel analog inputs:1 Analog outputs:1 (VIDEO 1) Subwoofer pre out:1 Speaker outputs:6 Phones:1 RadioFans.CN 收音机爱 好者资料库 2. To initialize the unit The TX-L55/LR552 contain a micro processor for signal processing and con

10、trol functions. In very rare situations, severe interference, noise from an external source, or static electricity may cause it to lockup. In the unlikely event that this happens, unplug the power cord from the wall outlet, wait at least ve seconds, and then plug it back in again. 3. Safety-check ou

11、t (U.S.A. model only) After correcting the original service problem, perform the following safety check before releasing the set to the customer. Leakage Current Check Measure leakage current to a known earth ground(water pipe, conduit, etc.) by connecting a leakage current tester between the earth

12、ground and exposed metal parts of the appliance (input/output terminals, screwheads,metal overlays, etc.). Plug the power supply cord directly into a 120V AC 60 Hz outlet and turn Standby switch on. Any current meausred must not exceed 0.5mA. 1. Replacing the fuses This symbol located near the fuses

13、 indicates that the fuse used is fast operating type. For continued protection against fire hazard, replace with same type fuse. For fuse rating refer to the marking adjacent to the symbol. Ce symbole indique que le fusible utlise est a rapide. Pour une protection permanente, nuntiliser que fusibles

14、 de meme type. Ce darnier est la qu le present symbol est appse. 4. 5.Setting the AM tuning step frequency (Asian models only) CIRCUIT NO. PART NO. DESCRIPTION Note: :120V model only : 230V model only : 220V model only F9001 252254 or 2.5A-T/UL-ST2 or 252160 2.5A-UL/T-237 F9001 252273 or 1.6A-SE-TL2

15、50V or 252073 1.6A-SE-EAK To reset the TX-L55/LR552 to its factor y defaults, turn it on and, while holding down the TUNING button, press the STANDBY/ON button. When the reset is complete, Clear appears on the display and the TX-L55/LR552 enter Standby mode. Memory backup The TX-L55/LR552 use a batt

16、ery-less memory backup sys- tem (C7001) in order to retain radio presets and other settings when its unplugged or in the case of a power failure. Although no batteries are required, it must be plugged into an AC outlet in order to charge the backup system. Once it has been charged, the TX-L55/LR552

17、will retain the settings for several weeks, although this depends on the environment and will be shorter in humid climates. If you are using the Asian model, you need to set the AM tuning interval for compatibility with AM broadcasts in your particular country. The initial setting is 9 kHz. 1 Use th

18、e INPUT SELECTOR TUN button to select AM. 2 Press the REMOTE MODE AMP button followed by the SETUP button. TUN AMP TUNER Note: All presets will be deleted when you change the AM 3 Use the Up and Down / buttons to select 6.Har dware, and then press ENTER. 4 Use the Left and Right / buttons to select:

19、 9 K: North America 10 K: Other countries 5 Press the SETUP button. The setup menu closes. ENTER TX-L55/LR552 SERVICE PROCEDURES RadioFans.CN 收音机爱 好者资料库 TX-LR552 TX-LR552 EXPLODED VIEW T9001 P9301 F9001 L901 P1101 1 2 3 2 3 2 3 2 3 4 4 4 4 5 5 6 4 11 18 29 2740 40 32 35 37 37 37 41 P850 24 15 17 11

20、38 17 27 28 28 36 7 9 8 8 31 U6 U1 U3 U4 U5 U8 U9 U11 U13 U21 19 25 21 13 8 22 TX-L55/LR552 BLOCK DIAGRAM V2CIN V2YIN DVDYIN V1CIN DVDCIN V1YIN DVDVIN V1VIN V1YOUT V1VOUT V1COUT C MONITOR OUT Y MONITOR OUT V2VINV MONITOR OUT +6dB +6dB +6dB TV IN CD L V1 OUT R L V1 IN R L R L R L R L SL C DVD IN SW S

21、R TONE TONE Q4301 BD3817 AUDIO SEL + AK4588 Q7800 CODEC DSP CS494003CQ Q7501 U21 TUNER PACK Q2001 MM1093NF FSC GEN. Q2005 3LINE Y/C SEP. TC90A69F Q2051 +6dB MX29LV040 ROM Q7502 M M MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE MUTE Q1181 BU1924FS RDS DECODER Q2106 Y/C MIX MM1512 + V2 INP2104 P2104 P2104 P

22、2104P2102 P2102 P2102 P2102 NJM2279M VIDEO SEL Q2101-3 COAX IN OPT IN R DAC L DAC R DAC SR DAC SL DAC C DAC SB DAC SW D TYPE ONLY P4303 10 2 1 3 5 4 6 8 7 9 P4302 10 2 1 3 5 4 6 8 7 9 -1 -1 -1 -1 -1 -1 -1-1 U2701 TORX179L 3 2 1 U2702 TORX179L 3 2 1 P2703 P4301 7 2 1 3 5 4 6 PP TYPE ONLY A 1 2 3 4 5

23、BCD TX-L55/LR552 BLOCK DIAGRAM MUTE MUTE MODULATOR TP2150B Q5101 DRIVER TC2001 Q5001Q5001 MODULATOR TP2150B Q5101 DRIVER TC2001 Q5001Q5001 MODULATOR TP2150B Q5101 DRIVER TC2001 Q5001Q5001 SW PRE OUT RI Q2202 LA7106M VIDEO ENCODER TA1270BF Q2203 +6dB +5V +5.6V STANDBY +3.3V +2.5V DSP DSP DSP -VP FLAC

24、 MAIN AMP +5V DRIVER +/-B AUDIO +/-12V SELECTOR +/-7V TUNER +5V +/-5V VIDEO -36V +9V VIDEO D TYPE ONLY SURR L/R C/ SURR B SPEAKER B COMPONENT OUTCOMPONENT 1COMPONENT 2 P2301P2302P2303 HEAD PHONE P5511 P5501 FRONT L/R P5511 P5512 D TYPE ONLY D TYPE ONLY EXCEPT D TYPE VOLUME LED KEYSUB MICROPROCESSOR

25、-091-8BT MPD780232GC Q801 HFA-12SM50T FL TUBE Q802 -XXX-8BT MPD784225YGC Q7001 MAIN MICROPROCESSOR D TYPE ONLY P4351 2 6 5 1 P4352 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 2 T9001 9 54 1 + P9301B 1 2 AC_CABLE P46025 4 2 3 7 8 1 U8701 PIC-37143TC5 A 1 2 3 4 5 BCD TX-LR552 SCHEMATIC DIAGRAM 3 DSP s

26、ection 2 SCL SDA VOUT1 YOUT1 COUT1 YOUT2 COUT2 V2CIN V2YIN V2VIN V1YIN V1VIN V1CIN DVDCIN DVDYIN DVDVIN V1VOUT V1YOUT V1COUT V1CIN V1COUT DVDCIN V2CIN SW1 SW2 SW2 COUT1 COUT2 SW1 SW2 SW2 V1VOUT V2VIN DVDVIN V1VIN VOUT2 SW1 SW2 SW2 V1YOUT V1YIN YOUT2 V2YIN DVDYIN VOUT1 YOUT1 -5SEP +5SEP VMUT2 VMUT1 V

27、2 INV1 OUTV1 INDVD INMONITOR OUT NADG-8338 R2106 75 R2113 75 R2119 75 R213282 R2198330 R213982 R2059330 R213882 R2071330 C2113 102K C212410/16 + R2173 33K C2179 104Z C2187 104Z R2177 2.2K C212310/16 + C C2108 102K C2129104Z Q2120 2SA1162-GR R2176 68 C2051 NC R2068NC C2061 NCR2057220 R2056 1.8K R2066

28、 1.8K R2055NC R20542.7K R205310KR206310K R20642.7K R2065NC R2062NCR2052NC R2058NC R21500 R21520 R21530 R21540 R21550 Q2115 RN1443 Q2113 RN1443 Q2111 RN1443 Q2110 RN1443 C2157100/6.3 + C2158104Z C2160 103Z R2146 1K R2148 1K R2147 1K R2145 1K C2159 1/50 + Q2114 RN1443 Q2112 RN1443 R21510 R2102100K R21

29、03100K Q2106 MM1512 1 SAG 2 OUT 3 VCC 4 CIN 5 GND 6 YIN C212010/16 + C211910/16 + C2127104Z C212110/16 + C2128104Z C212210/16 + L2003 220K L2004 220K R2104 75 R2117 75 R2111 75 C2111 470J C2115 470J C2117 470J R2105 75 R2118 75 R2112 75 R212975 R213075 R212875 D2 1SS D2102 1SS355 +5VVD-5VVD -5VVD +5

30、VVD C2156100/6.3 + C215522/16 + C C C P2102 1 2 8 9 103 147 15 13 12 11 6 5 4 Q2101 NJM2279M 1 Vin3 2 SW1 3 Vin2 4 MUTE2 5 Vout2 6 GND2 7 GND1 8 V+ 9 NC 10 Vout1 11 MUTE1 12 Vin1 13 SW2 14 V- -5VVD C2152104Z C2149100/6.3 + +5VVD C2134104Z C2137100/6.3 + R2133 NC -5VVD +5VVD C2196 470/6.3 + C2136104Z

31、 C2139100/6.3 + C2154104Z C2151100/6.3 + -5VVD +5VVD C2194 470/6.3 + R2170 1K C2138100/6.3 + C2135104Z C2150100/6.3 + C2153104Z Q2102 NJM2279M 14 V- 13 SW2 12 Vin1 11 MUTE1 10 Vout1 9 NC 8 V+ 7 GND1 6 GND2 5 Vout2 4 MUTE2 3 Vin2 2 SW1 1 Vin3 Q2103 NJM2279M 14 V- 13 SW2 12 Vin1 11 MUTE1 10 Vout1 9 NC

32、 8 V+ 7 GND1 6 GND2 5 Vout2 4 MUTE2 3 Vin2 2 SW1 1 Vin3 R2067220 Q2051A TK15420M 7 6 5 4 Q2051B TK15420M 1 8 3 2 C2041100/6.3 + C2043104ZC2044104Z C2042100/6.3 + R2051 100 C2015 47/16 + C2016 47/16 + R2061 100 R2193 1K P2104 1 2 8 9 15 16 17103 21147 22 20 19 18 13 12 11 6 5 4 R2100100 R2101100 Q211

33、6 RN2404 Q2117 RN2404 +5VVD C2161 470J C2162 470J C2163 470J R2108 10K R2115 10K R2121 10K R2901 NC R2902 NC R2903 NC R2904 NC R2134 75 R2135 75 R2136 75 C2142 470J C2141 470J C2140 470J U1 A 1 2 3 4 5 BCD TX-LR552 SCHEMATIC DIAGRAM 3 DSP section 2 POWER CPNT FLAC2 FLAC1 POWER +13V DIN1 DIN2 DIN3 SD

34、ET SDET SW1 GND -5SEP +5SEP GND FLAC1 FLAC2 POFF +13V GND SCL SDA CONV CPNT GND DIN2 +5VDSP DIN3 DIN1 +9VVD +5VVD -5VVD GND GND GND YUP CUP CONV SW2 VMUT1 VMUT2 SCL SDA +18V -18V +8V -42V +9V TO NAVD-8339 TO NAPS-8342 C2017120J R20111.2K C2018120J C2020220JC2019220J R2016 820 R2013 820 R2014 820 R20

35、15 820 R2018 100 C2026 103Z C2024 103Z C2025 103Z 73 K C2187 104Z R2189 10K R2177 2.2K C2071 47/16 + R2073 2.2K R2074 2.7K R2075 12K R2076 470 C2031 104Z C2029103Z C2027 104Z R20121.2K R2019 100 R20091.5K R20083.3K C2032 0.47/50 + C2021 100/6.3 + R2005 390 R200315K C2009391J C2012 0.47/50 + R20041M

36、C2010561J C2033 100/6.3 + C2030 104Z C2001104Z C2006103Z C2008 103Z R2007 820 R2006 390 C2013120JC2011 561J C2014 220J C2189 104Z C2037 103Z C2038 103Z C2039 103Z C2040 103Z C2034 100/6.3 + R2017 330 2-GR C9616 10/16 + R2176 68 R9509100K C9512223Z C2005 560J C9611 104J C9615 104J C2023 681J C2022 10

37、4J Q2124 RN2404 C9617 47/16 + Q2005TC90A69F 15 SCL 16 SDA 17 MODE1 18 TESTOUT 19 FSC 20 VDD4 21 VSS4 22 FIL 23 PD 24 VB2 25 YOUT 26 VSS1 27 COUT 28 VB1 1 BIAS 2 VRT 3 VDD1 4 TESTI1 5 VSS2 6 VRB 7 YCIN 8 TEST 9 KILLER 10 TESTI2 11 VDD3 12 VSS3 13 VDD2 14 TESTI3 Q2071 2SA1162-GR R2010 820 L2009 101K L

38、2010 101K L2006 220K L2001 330K L2005 220K L2002 220K L2003 220K L2004 220K Q2001MM1093NF 1 CRPMA 2 ACC 3 APC1 4 XTAL 5 GND1 6 GND2 7 FSC 8 NC 9 R 10 VCC1 11 VCC2 12 C 13 APC2 14 4FSC 15 BST 16 VIDEO L2008 220K Q2002 2SC2712 Q9608 78M56 3 2 1 G IO Q9501 2SA1015-GR 1 3 2 D9611 UDZS5.1B D2103 1SS355 D

39、2102 1SS355 +5VVD -5VVD +5VVD 5VVD-5VVD +5VVD +5VVD +5.6V +5VTU +5VDSP -VP C2028103Z C203547/16 + C203647/16 + R9609 330 R9506 22 Q2003 2SC2712 Q2004 2SC2712 X2001 33.58MHZ L2007 101K C9613 104J Q9607 78L09 1 2 3 G IO +9VD C9603 104J +12VA C9503 104J R9607 NC R9606 22 P9002B 2 1 P9001B 3 2 1 C9502 1

40、04J C9501 104J -5VVD +5VVD Q9605 79M05FA 32 1 G IO C9607 104J C9608 10/16 + C9604 10/16 + C9606 10/16 + C9614 10/16 + C9510 220/63 + C9618 10/16 + C9610 10/16 + Q9603 79M12HF 32 1 G IO C9605 2.2/50 + C9609 2.2/50 + Q9609A Q9602B C9619 NC R9508 8.2K R9507 8.2K D9508 UDZS36D R9514 NC R9513 NC C20074.7

41、/50 + R9602 1 R9603 1 R9604 1.5 R9605 1.5 Q9602 78M12HF 3 2 1 G IO P9003B 4 3 2 1 P9101B 4 3 2 1 R9510 NC R9511 NC R9608 NC C2003 2.2/50 + R200210KR200110K C2002100/6.3 + +5VVD +5VDSP -5VVD+5VVD +9VD R9501 2.2 C9511 223Z C9513 NC P2001 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 C9505 2200/25 + Q96

42、04 78M05HF 3 2 1 G IO Q9609 78M12HF 3 2 1 G IO C9500 NC E9501 D9503 RL1N4003 1 D9502 RL1N4003 1 D9504 RL1N4003 1 D9505 RL1N4003 1 D9507 RL1N4003 1 D9609 NC 1 D9610 NC 1 C9508 10000/16 + C9506 1000/35 + +12VA -12VA -B D9513 D2SB80A 1 2 4 3 R9610 NC Q9606 MPC2905HF 3 2 1 G IO C9612 100/6.3 + R9512 2.5

43、A/250V A 1 2 3 4 5 BCD TX-LR552 SCHEMATIC DIAGRAM 6 SPEAKER TERMINAL SECTION TX-LR552 SL-P G-R G-SL G-SR G-SB SP_RL_B SP_RL_SURR SP_RL_A SB-P C-P GND G-LG-LG-L SB-P C-P SL SR SL-P G-C SP_B_R SP_B_L R C SB L NAETC-8352 FLFRFL_BFR_B SP-ASP-B SLSRCSB RL5851 8 10 5 3 121 4 9 RL5804:A 16 RL5803:A 16 RL58

44、02:A 16 RL5801:A1 6 RL5852 8 10 5 3 121 4 9 RL5801:B 23 RL5801:C 54 RL5801:C 54 RL5804:B 23 RL5804:C 54 RL5802:B 23 RL5802:C 54 Q5852 RN2402 Q5812 RN2402 Q5814 RN2402 Q5811 RN2402 Q5801 DTC123JKA Q5804 DTC123JKA Q5802 DTC123JKA Q5803 DTC123JKA Q5851 DTC123JKA P7003A 9 8 7 6 5 4 3 2 1 R5861100 R58621

45、00 R5863100 RL5803:C 54 RL5803:B 23 C5801 104Z C5804 104Z C5802 104Z C5803 104Z R5803 120(1W) R5802 120(1W) R5804 120(1W) C5851 104Z C5852 104Z R5801 120(1W) P5511 9 6 2 5 1 8 4 7 3 10 P5501 9 GND 6 2 SL 5 1 SR 7 3 C 8 4 SB 10 GND L5601 L5602 L5607 L5608 L5603 L5604 L5605 L5606 D5801 D5804 D5803D580

46、2 D5851D5852 R5851 560(1/2W) R5852 560(1/2W) P5601B 4 3 2 1 P5603B 4 3 2 1 P5605B 4 3 2 1 R5611 10 R5612 10 R5617 10 R5618 10 R5613 10 R5614 10 R5616 10 R5615 10 C5606 102J C5605 102J C5604 102J C5603 102J C5608 102J C5607 102J C5602 102J C5601 102J C5611 102J C5616 102J C5615 102J C5614 102J C5613

47、102J C5618 102J C5617 102J C5612 102J 1SS3551SS355 1SS3551SS355 1SS355 1SS355 U13 A 1 2 3 4 BCDE TX-LR552 SCHEMATIC DIAGRAM 7 VIDEO SECTION TX-LR552 +5VDSP DIN2 DIN1 DIN3 GNDD +9VVD SCL SDA CONV CPNT GNDV GNDV GNDV YUP CUP -5VVD +5VVD NAVD-8344 COAXOPT 1OPT 2 COMPONENT OUTCOMPONENT 2COMPONENT 1 TO N

48、ADG-8338 R2209 10K C2204 10/16 + R2208 10K R2234 180 R2235 180 C221047/16 + C2206100/6.3 + C2207104Z C2226 0.22/50 + R2239 33K R2240 330K C2704 104Z C2703 47/16 + C2208100/6.3 + C2209104Z C2202102K C2711 103K C2712 103K R2724 150K R2725 100K C2231102K Q2202 LA7106M 16 +VCC 15 VOUT1 14 GND 13 VOUT2 1

49、2 DRCTL 11 VOUT3 10 MUTE2 9 -VCC2 8 NFB3 7 VIN3+ 6 -VCC1 5 NFB2 4 VIN2+ 3 MUTE1 2 NFB1 1 VIN1+ C2205 10/16 + R2210 10K RL2201 12 3 5 10 89 4 1 RL2202 12 3 5 10 89 4 1 RL2203 12 3 5 10 89 4 1 X2201 Q2203 TA1270BF 15 SCP 16 DIGGND 17 CP/HPIN 18 SYNCVcc 19 SWVcc 20 Y/G 21 B-Y/B 22 R-Y/R 23 ADRS_SW 24 SWGND 25 Y2 26 B-Y2 27 R-Y2 28 IICGND 29 Y1 30 B-Y1 31 R-Y1 32 Ys 33 SCL 34 SDA 35 DACTEST 36 GND 37 YOUT 38 DAC2 39 DAC1 40 YIN 41 DACVcc 42 CVcc 43 UV/CbCr