Sony TC-EX66 Service Manual Download Page 1

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MICROFILM

TC-EX66

STEREO CASSETTE DECK

SERVICE MANUAL

This set is the cassette deck section
in MHC-EX66.

Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol

are trademarks

of Dolby Laboratories Licensing Corporation.

SPECIFICATIONS

Model Name Using Similar Mechanism

NEW

Tape Transport Mechanism Type

TCM-ACLM578

AEP Model

UK Model

E Model

Summary of Contents for TC-EX66

Page 1: ...olby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol aare trademarks of Dolby Laboratories Licensing Corporation SPECIFICATIONS Model Name Using Similar Mechanism NEW Tape Transport Mechanism Type TCM ACLM578 AEP Model UK Model E Model ...

Page 2: ...MULTI CONTROLLER knob change to next situation 1 All LED indicators light on 2 All FL tube indicators light on 3 A part of FL tube light on mode 1 Indicated ST SEG 4 A part of FL tube light on mode 2 Indicated RDS SEG 5 KEY check mode Note 1 All LED light on mode is kept when buttons which is pressed to enter all LED light on mode release same time When release them separate timing it is moved to ...

Page 3: ... 3 This section is extracted from instruction manual SECTION 1 GENERAL ...

Page 4: ... 4 ...

Page 5: ... 5 ...

Page 6: ...given CASE FRONT PANEL CASE FRONT PANEL Page 6 MECHANISM DECK Page 7 MAIN BOARD Page 7 MECHANISM CHASSIS SECTION Page 8 TRY ASS Y Page 8 CAPSTAN MOTOR Page 9 1 two screws case TP2 3 flat cable 5 core CN301 5 two screws BVTP 3 8 5 screw BVTP3 8 6 three claws 7 front panel 4 flat cable 27 core CN802 1 two screws case 3 TP 2 2 case 8 lid R TC ...

Page 7: ...BVTP3 8 3 mechanism deck 1 two connectors CN803 804 1 connector CN351 MAIN BOARD 2 three connectors CN351 803 804 3 two screws BVTP3 8 1 Slide the tray to deviation of the arrow A A 5 two PCB holders 4 two screws BVTP3 10 6 main board ...

Page 8: ... 8 TRAY ASS Y 1 screw M1 7 8 2 4 arm 576 5 tray ass y 3 boss 2 tension spring MECHANISM CHASSIS SECTION 3 mechanism chassis section 2 screw P3 8 1 four screws BK3 6 ...

Page 9: ... 9 CAPSTAN MOTOTR 7 capstan motor 5 Hang the belt 6 three motor screws 4 Remove the solder of motor lead wire 1 step screw 3 control board 2 two claws 2 two claws ...

Page 10: ...stan idlers 2 Demagnetize the record playback head with a head demagne tizer Do not bring the head demagnetizer close to the erase head 3 Do not use a magnetized screwdriver for the adjustments 4 After the adjustments apply suitable locking compound to the parts adjusted 5 The adjustments should be performed with the rated power sup ply voltage unless otherwise noted Torque Measurement Standard In...

Page 11: ...is within 3 Adjustment Location CAPSTAN REEL motor M902 Screw position L CH peak within 1dB output level L CH peak R CH peak within 1dB angle R CH peak 3 Phase Check Mode REV playback V H Screen pattern Good Wrong in phase 45 90 135 180 LINE OUT set R CH L CH 47 k Ω 47 k Ω oscilloscope test tape P 4 A100 10 kHz 10 dB 4 Set in the FWD mode and repeat the step 1 to 3 5 After the adjustment lock the ...

Page 12: ...EST mode REC MEMRY mode See page 10 Procedure 1 Mode Record set AF OSC attenuator 600 Ω 10 k Ω blank tape CS 123 LINE IN 1 315 Hz 2 10 kHz 50 mV 23 8 dB 2 Mode Playback set LINE OUT 47 k Ω recorded portion level meter 3 Confirm playback the signal recorded in step 1 become ad justment level as follows 4 If these levels do not adjustment level adjust the RV152 L CH and RV252 R CH to repeat step 1 a...

Page 13: ...t Parts Location CN801 TEST Mode RV152 Record BIAS L CH RV252 Record BIAS R CH RV253 Record Level R CH RV153 Record Level L CH RV151 Playback Level L CH RV251 Playback Level R CH J301 CN11 MAIN BOARD Component Side ...

Page 14: ...R CLAMP FWD IN REV IN VCC 1 VCC 2 NOISE FILTER MOTOR DRIVE MOTOR DRIVE MOTOR DRIVE T S D O C P FWD REV STOP CONTROL LOGIC IC304 CXA1198AP IC804 LB1641 ON OFF CURRENT LIMITER START CIRCUIT VREF OVER HEAT PROTECT ON OFF CURRENT LIMITER 1 2 3 4 5 6 7 8 9 10 VCC VMUTE VCC VREF ERROR AMP VREF ERROR AMP VO1 VCC CN1 EN EN DISPLAY GND NC CN2 VEE VO2 _1 8V _ 140uA COMPARATER IC805 LA5617 SECTION 5 DIAGRAMS...

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Page 17: ...or tube FLT851 28 SEG12 O Segment signal output to fluorescent indicator tube FLT851 29 SEG11 O Segment signal output to fluorescent indicator tube FLT851 30 SEG10 O Segment signal output to fluorescent indicator tube FLT851 31 SEG9 O Segment signal output to fluorescent indicator tube FLT851 32 SEG8 O Segment signal output to fluorescent indicator tube FLT851 33 SEG7 O Segment signal output to fl...

Page 18: ... output H On 66 LINE MUTE O Line mute on off control output L Mute on 67 CHORM SW I Tape type detection input from Sxxx L Type I 68 METAL SW I Tape type detection input from Sxxx L Type IV 69 REC REV SW I Record proof detection input from Sxxx REV side H Not nail 70 REC FW SW I Record proof detection input from Sxxx FWD side H Not nail 71 CAPSTAN O Capstan reel motor M902 drive output H On 72 CLOS...

Page 19: ...6 EXPLODED VIEWS Ref No Part No Description Remark Ref No Part No Description Remark 1 4 985 926 01 KNOB 2 X 3373 604 1 PANEL ASSY FRONT 3 4 962 708 01 EMBLEM 4 A SONY 4 3 939 648 01 WINDOW TC 5 3 939 646 01 BUTTON REC CD SYNC r REC 6 3 939 647 01 INDICATOR TC 7 4 951 620 01 SCREW 2 6X8 BVTP 8 3 012 560 01 BUTTON EJECT OPEN CLOSE 9 3 939 642 01 BUTTON PLAY ª p 10 3 939 643 01 BUTTON FF 0 11 A 2007...

Page 20: ...2 2 54 52 51 2 not supplied Ref No Part No Description Remark Ref No Part No Description Remark 51 4 977 699 11 LEG F 52 4 965 822 01 FOOT 53 3 350 847 31 HOLDER PCB 54 A 2007 721 A MAIN BOARD COMPLETE 55 3 012 563 02 PANEL BACK not supplied 53 ...

Page 21: ...PRING B Ref No Part No Description Remark Ref No Part No Description Remark 114 3 017 234 01 GROUND PLATE 115 3 017 243 01 NUT 116 3 017 242 01 BUFFER 117 3 017 232 01 GEAR B 118 3 017 241 01 WASHER 1 6X4X0 5 119 3 017 237 01 BELT 49 2 120 3 017 231 01 PULLEY C 121 3 017 220 01 ARM 122 3 017 240 01 WASHER 2 1X4X0 5 M901 3 017 239 01 PULLEY MOTOR LOADING S901 3 017 238 01 LIMITTER SW MSS 8B OPEN S9...

Page 22: ... 017 277 01 PINCH F SPRING 160 3 017 278 01 PINCH R SPRING 161 3 017 300 01 WASHER FLAT 162 3 017 255 01 PINCH ROLLER R 163 3 017 296 01 CUTION MOTOR 164 3 017 297 01 SCREW MOTOR 165 3 017 280 01 SCREW M2 TAPPING SPECIAL 166 3 017 285 01 BELT MAIN HRPE901 HEAD ASSY RECORD PLAYBACK ERASE M902 3 017 259 01 PULLEY MOTOR CAPSTAN REEL 4 MECHANISM DECK SECTION 2 TCM ACLM578 not supplied 155 157 156 154 ...

Page 23: ...3 3 017 288 01 REEL CAP 214 3 017 262 01 REEL BUSHING 215 3 017 272 01 SPRING BT R 216 3 017 281 01 WASHER FLAT 217 3 017 256 01 ARM PLAY 218 3 017 275 01 LOCK SPRING CAM 219 3 017 267 01 LOCK ARM CAM 220 3 017 282 01 WASHER FLAT 221 3 017 264 01 CAM GEAR 222 3 017 266 01 BASE LEVER 223 3 017 268 01 ARM RF 224 3 017 269 01 GEAR RF 225 3 017 276 01 ARM RF SPRING 226 3 017 293 01 MAGNET PLATE 227 3 ...

Page 24: ...11 ELECT 2 2uF 20 50V C111 1 126 960 11 ELECT 1uF 20 50V C121 1 162 306 11 CERAMIC 0 01uF 20 16V C122 1 162 306 11 CERAMIC 0 01uF 20 16V C131 1 162 290 31 CERAMIC 470PF 10 50V C132 1 162 282 31 CERAMIC 100PF 10 50V C151 1 130 467 00 MYLAR 470PF 5 50V C152 1 137 372 11 FILM 0 022uF 5 50V C153 1 107 714 11 ELECT 10uF 20 16V C154 1 107 610 11 CERAMIC 82PF 5 500V C155 1 107 609 11 CERAMIC 75PF 5 500V ...

Page 25: ... 11 ELECT 2 2uF 20 50V C310 1 162 306 11 CERAMIC 0 01uF 20 16V C311 1 162 306 11 CERAMIC 0 01uF 20 16V C312 1 164 159 11 CERAMIC 0 1uF 50V C313 1 164 159 11 CERAMIC 0 1uF 50V C314 1 162 294 31 CERAMIC 0 001uF 10 50V C315 1 162 294 31 CERAMIC 0 001uF 10 50V C351 1 126 925 11 ELECT 470uF 20 10V C352 1 126 925 11 ELECT 470uF 20 10V C353 1 126 961 11 ELECT 2 2uF 20 50V C354 1 126 933 11 ELECT 100uF 20...

Page 26: ...W R22 1 249 438 11 CARBON 56K 5 1 4W R23 1 247 884 11 CARBON 160K 5 1 4W R24 1 247 872 11 CARBON 51K 5 1 4W R25 1 247 883 00 CARBON 150K 5 1 4W R26 1 247 887 00 CARBON 220K 5 1 4W R41 1 249 438 11 CARBON 56K 5 1 4W R42 1 247 876 11 CARBON 75K 5 1 4W R43 1 249 439 11 CARBON 68K 5 1 4W R44 1 247 876 11 CARBON 75K 5 1 4W R45 1 247 876 11 CARBON 75K 5 1 4W R46 1 249 441 11 CARBON 100K 5 1 4W R101 1 24...

Page 27: ...N 10K 5 1 4W R805 1 249 441 11 CARBON 100K 5 1 4W R806 1 247 843 11 CARBON 3 3K 5 1 4W R807 1 249 441 11 CARBON 100K 5 1 4W R808 1 249 441 11 CARBON 100K 5 1 4W R809 1 249 417 11 CARBON 1K 5 1 4W R810 1 249 429 11 CARBON 10K 5 1 4W R811 1 249 429 11 CARBON 10K 5 1 4W R812 1 249 417 11 CARBON 1K 5 1 4W R813 1 249 429 11 CARBON 10K 5 1 4W R815 1 249 393 11 CARBON 10 5 1 4W R816 1 249 429 11 CARBON 1...

Page 28: ...TCH TACT p S853 1 762 196 21 SWITCH TACT P S854 1 762 196 21 SWITCH TACT S855 1 762 196 21 SWITCH TACT ª S856 1 762 196 21 SWITCH TACT CD SYNC S858 1 762 196 21 SWITCH TACT 0 S859 1 762 196 21 SWITCH TACT S860 1 762 196 21 SWITCH TACT r REC S861 1 762 196 21 SWITCH TACT RESET S862 1 762 196 21 SWITCH TACT DIRECTION S863 1 762 196 21 SWITCH TACT DOLBY NR PANEL 97D0573 1 Printed in Japan 1997 4 Publ...

Page 29: ...D001 8 719 987 63 DIODE 1N4148M D002 8 719 987 63 DIODE 1N4148M IC ICOO1 3 017 289 01 IC HOLE ROTARY DETECTION SOLENOID PM001 3 017 292 01 SOLENOID RESISTOR R001 1 247 862 11 CARBON 20K 5 1 4W SWITCH S001 3 017 290 01 SWITCH DETECT FWD REC DET S002 3 017 290 01 SWITCH DETECT HALF DET S003 3 017 290 01 SWITCH DETECT CrO2 DET S004 3 017 290 01 SWITCH DETECT METAL DET S005 3 017 290 01 SWITCH DETECT ...

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