Onkyo-TARW255-tape-sm 电路图 维修手册.pdf
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1、TA-RW255 SERVICE MANUALSERVICE MANUAL STEREO CASSETTE TAPE DECK Black and Silver models MODEL TA-RW255 120V AC, 60Hz 230-240V AC, 50Hz BMDD BMPA, BMGT BMPP, SMPP Ref. No. 3872 062005 ONKYO EJECTEJECT DOLBY NRREVERCE MODE DUBBINGCOUNTER HIGHNORMALA/BRESET REC LEVEL MINMAX AUTO SPACE DUBB.STOP POWER S
2、TANDBY L R dB-20-10-6-3+30+6 PAUSE DECK-B PLAYOFFBC DOLBY NR HI-SPEEDDUBBING DECK-A PLAY A B REC Other models North American model STANDBY/ONMAIN POWER ONOFF STANDBY STANDBY STANDBY/ON SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
3、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 INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE T
4、O THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 Format:Auto reverse double deck Track format:4-tracks, 2-channels Recording system:AC bias Erasing system:AC erase Tape speed:4.76 cm/sec. (1-7/8 i.p.s) Wow and Futter:0.13 % (WRMS) Frequency response: Metal position tape 30 Hz to 15 kHz 3 dB High position tap
5、e30 Hz to 14 kHz 3 dB Normal position tape30 Hz to 13 kHz 3 dB Signal to noise ratio: 56 dB (metal position tape/ Type IV, Dolby NR off) 55 dB (high position/ Type II, Dolby NR off) 50 dB (normal position/ Type I, Dolby NR off) Noise reduction of 10 dB above 5 kHz and 5 dB at 1 kHz possible with Dol
6、by B. Noise reduction of 20 dB at 5 kHz possible with Dolby C. Input Jacks: LINE IN: 2 Input sensitivity: 80 mV Input impedance: 50 k ohm Output Jacks: LINE OUT: 2 Standard output level: 500 mV Output load impedance:over 50 k ohm Motors:DC servo motor: 1+1 Heads: PB Head:Special Hard Permalloy x 1 R
7、ec/PB Head:Special Hard Permalloy x 1 Erase head:Ferrite x 1 Power supply rating: North American: AC 120 V, 60 Hz European: AC 230 - 240 V, 50 Hz Power consumption: 17 W Standby power consumption: North American: 7.0 W European: 0.6 W Dimensions: (W x H x D): 435 mm x 121 mm x 303 mm (17-1/8 x 4-3/4
8、 x 11-15/16) Weight:4.9 kg (10.8 lbs.) Operation condition temperature/humidity: 5 C - 35 C/ 5% - 85% (no condensation) Specifications and external appearance are subject to change without notice because of product improvements. TA-RW255 SPECIFICATIONS RadioFans.CN 收音机爱 好者资料库 TA-RW255 TA-RW255 EXPLO
9、DED VIEW Except A003 x 4 pcs. A029 x 4 pcs. A202 x 7 pcs. A014 x 2 pcs. A004 x 2 pcs. A302 x 6 pcs. A014 x 2 pcs. A008 x 2 pcs. A011 x 2 pcs. A019 x 2 pcs. A206 x 2 pcs. A029 x 2 pcs. A029 x 5 pcs. A306 x 3 pcs. A311 x 4 pcs. A312 x 4 pcs. A313 x 8 pcs. A029 x 2 pcs. A011 x 2 pcs. Z008 x 2 pcs. Z009
10、 x 4 pcs. Z007 x 2 pcs. A029 x 2 pcs. A028 x 4 pcs. A001 A010 A013 A315 A316 A317 A317 A017 E851 A020 T901 A015 A016 A021 A013 A305 A307 A308 A301 A007 A007 U01 U02 U04 U03 A010 A006 P901A P101 P801 P802 P102 P701 A026A201 Z001 Z002 Z004 Z006 Z003 Z005 A203 A204 A205 A208 U05 RadioFans.CN 收音机爱 好者资料库
11、 TA-RW255 TA-RW255 EXPLODED VIEWCASSETTE MECHANISM Z001 : CMAL2Z226B (PLAY Deck) Z002 : CMAL2Z227B (REC/PLAY Deck) B B A A A A A A A A A B A : MOLYKOTE EM-60L : CORNING : SCREW LOCK : BOND A 05a 05b 04 32 31 02 42 29 30 06 25 03b 03a F567-750 F513-930 F513-931 PACK CMAL2Z226B CMAL2Z227B Lever for pr
12、event to eject (Both mecha.) PACK Cr Cr METAL F REC R REC F567-739 Lever for prevent to lever. (only Left side mecha.) TA-RW255 CASSETTE MECHA. PARTS LIST No. 03a 03b 04 05a 05b 06 25 29 30 31 32 42 PART No. F513-931 F513-930 F525-382 F567-739 F567-750 F522-063 FF19N FR26D-11 FR26B-21 F514-133 F514-
13、134 FF19S PART NAME PLATE HEADD BLOCK PLATE HEADD BLOCK MOTOR MAIN BLOCK PCB CONTROL BLOCK PCB CONTROL BLOCK CLUTCH ASSY BLOCK MAIN BELT ASSY F/W ASSY F/W ROLLER PINCH BLOCK R ROLLER PINCH BLOCK L F/R BELT NOTE 226B 227B 226B 227B F/W Material: ES-5 F/W Material: ES-5 x 2 TA-RW255 SCHEMATIC DIAGRAM
14、ONLY A 1 2 3 4 5 BCDEFGH BIAS_CTRL BIAS_NORM BIAS_H P-OFF RESET DECK_B_70/120 DECK_A_70/120 LINE_MUTE PB_X1/X2 LINE_MUTE SOL_A_ON/OFF CAP_A_X1/X2 CAP_A_ON/OFF REC/PB CAP_B_X1/X2 SOL_B CAP_B +5V +12VM REC_MUTE +12VA -17V SIG_L SIG_RCH DECK_B/A 1G 4G P15 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1 1G 2G 3G 4G P15
15、P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1 1G 2G 3G 4G KEY0 KEY1 KEY2 HIGH SW PACK SW REC INH FWD FM FQ F/Q GH GL GP N.NORMN.HIGHN.MTLH.NORMH.HIGHH.MTL A:H/B:L HIGH SPEED NORM SPEED LCHRCH A_PB_LCHB_PB_LCH B_PB_RCH A_PB_RCH NORM SPEED HIGH SPEED TEST_MODE DECK A REC INH REV METAL SW MOTOR + MOTO
16、R B MOTOR A ROT PH DIODE MOTER - FT PACK SW HIGH SW MOTER - ROT PH DIODE MOTOR A MOTOR B MOTOR + PLAY SW ROT PH OUT A SOLENOID ROT PH OUT B SOLENOID PLAY SW DECK B NAAF-8555 F-PLAYR-PLAYDOLBY_NRREWFFSTOP DECK_B STOPB-FFB-REWB_F-PLAYB_R-PLAYREV_MODE STBY ON/OFF REC_PAUSEAUTO_SPACENORM_DUBB HIGH_DUBB
17、COUNTER RESET COUNTER A/B DECK_A NADIS-8556 NAETC-8558 INPUT VR NAPS-8557 BA-+ MOTOR DECK B BA-+ MOTOR SOLSOL DECK A Alternative use C904 or C916. OTP ONLY OTP ONLY 7 +5V SENSOR 6 MOTOR A 5 MOTOR B 8 MOTOR- COM 9 HIGH SW 10 PACK SW 11 REC INH FWD 12 REC INH REV 13 METAL SW 4 MOTOR+ 3 PLAY SW 2 ROT P
18、HT OUT 1 SOLENOID 7 +5V SENSOR 6 MOTOR A 5 MOTOR B 4 MOTOR+ 3 PLAY SW 2 ROT PHT OUT 1 SOLENOID 8 MOTOR- COM 9 HIGH SW 10 PACK SW R405 4.7 R406 4.7 Q407 2SC1959 C105 681 C106 681 R103 100K R104 100K C109 333 R109 100K R111 3.3K C113 681 R113 3.9K C111 153 R115 10K R108 3.9K C110 333 R110 100K C112 15
19、3 R112 3.3K C114 681 R116 10K C123 470/16 + C126 101 R823 3.9K R825 3.9K R826 18K C804 223 R910 5.6K R911 5.6K D601 1SS352 D602 1SS352 R114 3.9K R224 10K R220 100K R214 560 C216 222 C218 104 C220 104 C210 222R212 22K C214 104 R22912K R211 22KC211 222 R213 560 C213 104 C219 104 C217 104 C215 222 C209
20、 222 R227 12K R250 100K R251 56K R252 NC R253 56K R254 NC R255 56K R256 82K R257 NC R258 100K R259 NC R260 180K R261 68K R262 1M R263 100K R264 100K R265 120K R266 220K R267 220K R268 120K R269 NC R270 220K R271 47K R272 1M R273 47K R274 NC R275 150K R276 120K R277 NC R278 330K R279 330K R280 220K R
21、281 33K R282 330K R283 47K R284 150K R285 33K R286 100K R287 1M R288 82K R289 NC R290 82K R291 33K R292 330K R293 33K R295 82K R296 120K R297 NC R298 180K R299 NC R294 220K R300 82K R301 47K R302 47K R303 33K R304 NC R305 100K R306 150K R307 NC R308 220K R309 NC R727 470 C712 104 R751 100K R416 5.6K
22、 Q8092SB1068 R822 47K R824 47K R829 1M R122 100(1/2W) R121 4.7K Q604 KRA107S R817 2KB 2 31 R820 100K Q812 2SA933S R807 47K R808 3.9K R809 47K Q8052SB1068 R810 3.9K R812 18K C803 223 R107 3.9K R40839K C404472 Q406 2SC1959 R415 47K R410 1K R414 2.2K R413 10K R40739K C403472 Q401 2SB1068 Q4032SC1959 C2
23、06 1/50 + C205 1/50 + R23118K R241 3.3K R242 3.3K R243 6.8K R244 6.8K R215 4.7K R217 3.3K C2231/50 + R216 4.7K R218 3.3K C224 1/50 + C228 2.2/50 + C227 2.2/50 + R417 100(1/2W) Q603 KRA107S R40910(1/2W) R411 820 C406 183 R831 1M C241 1/50 + C602 470/16 + C601 1/50 + C208 10/16 + R201 22K R202 22K R20
24、3 68K L203 NCH2137 21 R22812K C229 4.7/50 + R222 10K R221 10K C230 4.7/50 + R230 12K C2324.7/50 + C231 4.7/50 + D201 1SS352 D202 1SS352 Q203 RN1411 Q408uPC1330HA 1 2 3 4CNT 5 GND 6 VCC 7 8 9 L201 NMC6079 3 2 1 7 6 5 4 8 L202 NMC6079 6 5 4 8 3 2 1 7 C102 221 R101 100K C101 221 R102 100K C104 471 C103
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