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CT-W208R

(2) Recording Bias Adjustment

• After the adjustment, caution should be exercised so as not to become under bias by checking the distortion rate.

VR401

REC/

PAUSE

Input a 315Hz (–26 dBV) signal to
the LINE INPUT.

L ch

R ch

VR402

–26 dBV

REC

PLAY

Load the STD–632 test tape and
record/playback the 315Hz and
10kHz signals. (see the Note below)

Repeat adjustment until playback level of
the 10kHz signal is within 0dB

0.5dB

from that of the 315Hz signal.

(3) Recording Level Adjustment

VR301

REC/

PAUSE

L ch

R ch

VR302

TP 1 (L ch)

TP 2 (R ch)

(MAIN UNIT)

Input signal level

–11.2 dBV

REC

PLAY

• STD–632 test tape and record/
playback the 315Hz signal.
• DOLBY NR : OFF

Repeat recording, playback and
adjustment until playback level of the
315Hz signal becomes –10dBV

0.5dB.

Note: Set the 10kHz input signal level to the same value as the 315Hz input signal level of step 1.

Input a 315Hz signal to the LINE
INPUT.

Remarks

No.

Mode

Input Signal/Test Tape

Adjustment Points

Measurement

Points

Adjustment

Value

Remarks

No.

Mode

Input Signal/Test Tape

Adjustment Points

Measurement

Points

Adjustment

Value

LINE OUT

(L, R ch)

REC

PLAY

(4) Recording Frequency Characteristics Confirmation

LINE OUT

(L, R ch)

Remarks

No.

Mode

Input Signal/Test Tape

Adjustment Points

Measurement

Points

Adjustment

Value

Check that the frequency
characteristic is within the
range of Fig. 6-4.

• STD–632, STD-622 test tape
• Record with –26.0 dBV
• DOLBY NR : ON/OFF

Содержание CT-W208R - Dual Cassette Deck

Страница 1: ... DIAGNOSIS 31 7 1 1 POWER ON SEQUENCE 31 7 2 PARTS 32 7 2 1 IC 32 8 PANEL FACILITIES AND SPECIFICATIONS 33 T ZZR AUG 1999 Printed in Japan Type Model Power Requirement CT W208R KUXJ AC120V KCXJ AC120V HYXJ AC220 230V HVXJ AC230 240V THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S STEREO DOUBLE CASSETTE DECK Remarks AUTO REVERSE Auto Tape Selector Auto Tape Selector HIGH SPEED COOPY S...

Страница 2: ... evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual...

Страница 3: ...LIST NOTES Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Screws adjacent to mark on the product are used for disassembly HVXJ type Only 3 1 4 2 12 6 7 KUXJ HVXJ types only 8 HYXJ t...

Страница 4: ...nly Except HVXJ and HYXJtypes 14 12 24 2 8 9 4 22 21 17 13 13 24 20 24 6 16 24 24 26 24 19 28 1 1 2 1 2 2 10 15 5 7 27 27 27 Refer to 2 3 FRONT PANEL SECTION 27 11 23 27 27 27 27 27 27 27 25 18 KUXJ type Only KUXJ and KCXJ types Only HVXJ and HYXJ types Only 2 2 EXTERIOR ...

Страница 5: ...nstructed the same except for the following Mark No Description Part No 1 MAIN UNIT See Contrast table 2 NSP 2 POWER SWITCH UNIT See Contrast table 2 3 NSP 4 Transformer 2 UNIT See Contrast table 2 5 Cord Stopper See Contrast table 2 6 Fuse FU1 FU2 1 25A See Contrast table 2 7 AC Power Cord See Contrast table 2 8 Power Transformer See Contrast table 2 9 PCB Mold AMR2533 NSP 10 Chassis RNB1144 11 R...

Страница 6: ...t Cut 8 7 26 27 12 18 27 23 25 11 11 12 19 20 32 20 28 28 28 32 16 13 13 9 31 14 21 1 10 3 4 32 31 30 6 15 32 30 5 32 2 32 Refer to 2 4 MECHANISM SECTION Refer to 2 4 MECHANISM SECTION Cutting position Note 2 3 FRONT PANEL SECTION ...

Страница 7: ...rol Button RAC2220 21 Meter Panel RAH2702 22 Door Lens RAH2782 23 Door Pocket L RAH2900 24 Door Pocket R RAH2901 25 Front Panel See Contrast table 2 26 Meter Lens RAH2903 27 Remain Display Paper REE 113 28 Slide Knob REA1293 29 Getter See Contrast table 2 NSP 30 Earth Lead Wire DE015VF0 31 Screw BSZ26P120FMC 32 Screw BBZ30P080FZK 1 FRONT PANEL SECTION PARTS LIST Mark No Description Part No 1 SUB U...

Страница 8: ...5 19 49 15 32 30 31 14 6 47 11 29 23 44 45 42 2 4 3 5 4 49 18 12 1 7 10 9 8 16 50 41 27 22 26 50 41 17 38 34 35 36 37 26 21 27 48 20 20 39 33 28 34 52 For Mechanism Unit 1 For Mechanism Unit 2 For Mechanism Unit 2 For Mechanism Unit 1 35 51 4 3 ...

Страница 9: ...er W41D065D025 21 Spring Reel L RBH1388 22 Spring Reel R RBH1389 23 CAM Spring RBH1393 24 25 Lever F R RNE1782 26 Reel Feather RNK2072 27 Reel Base RNK2073 28 PLAY Gear A RNK2074 29 FF Gear A RNK2075 30 F R Pulley RNK2076 31 Clutch Block ASSY RXA1632 32 Washer WA17D040D025 33 ARM Interlock L RNE1780 34 Screw PCZ20P040FMC 35 Screw PMZ20P060FMC 36 Spring HB RBH1390 37 Head Base RNE1783 38 PLATE HD B...

Страница 10: ...Q804 DTC124ES Q802 DTC124ES VR401 PCP1032 100K B Q403 2SD1302 Q402 2SC1815 Q406 DTC114TS Q404 2SB1238X Q405 2SB1238X Q313 DTC124EK Q165 DTA114ES Q101 DTC124ES Q166 DTC124ES C101 330P Q407 DTC114TS Q309 2SC3311A Q301 DTC124EK Q307 DTC124EK IC301 1 2 BA15218 Q105 DTC114TS VR103 PCP1031 47K B Q103 DTC115TS Q106 DTC114TS Q311 2SD2114S VR101 PCP1031 47K B 1 MECHANISM 2 MECHANISM PB LEVEL ADJ VR301 PCP1...

Страница 11: ...S2VB20 D1003 NJM7812FA IC1001 Q1001 2SA1309A Q1002 2SC3311A Q1003 2SC3311A Q1004 DTA114TS NJM7812FA IC1002 Q1513 Q1512 2SA1309A Q1506 DTC114TS Q1502 Q1505 DTC114TS 1 2 13 4 5 7 8 14 17 18 2 PB X 1 RECMUTE MAIN UNIT SUBB UNIT GNDA GNDA GNDC IC201 CXA1560S Q701 2SD2144S Q702 2SD2144S Q751 DTA114TS Q502 DTA114TS VR701 2 2 RCV1089 5KA DOLBY B C NR LINEOUT Lch LINEOUT Rch LINEIN Lch INPUT BUFFER MPX IN...

Страница 12: ...52 CT W208R KUXJ KCXJ RWZ4348 CT W208R HYXJ RWZ4393 CT W208R HVXJ SUBB UNIT RWZ4353 CT W208R KUXJ KCXJ RWZ4349 CT W208R HYXJ RWZ4394 CT W208R HVXJ A A 1 2 A 2 2 MECHA UNIT 1 RYM1261 MECHA UNIT 2 RYM1262 B D20PYY1030E D20PYY1315E PB HEAD REC PB HEAD ERASE HEAD 9607S 18F 52045 1845 ...

Страница 13: ... POWER SW UNIT RWZ4367 CT W208R KUXJ KCXJ POWER SW UNIT RWZ4365 CT W208R HYXJ RWZ4397 CT W208R HVXJ FU1001 FU1002 1 25A 125V KUXJ KCXJ T1 25AL250V HYXJ HVXJ POWER TRANSFORMER KUXJ KCXJ RTT1311 POWER TRANSFORMER HYXJ HVXJ RTT1312 AC POWER CORD KUXJ KCXJ PDG1064 AC POWER CORD HYXJ PDG1043 HVXJ PDG1055 NEUTRAL NEUTRAL LIVE LIVE KUXJ KCXJ AC120V 60Hz HYXJ HVXJ AC220V 230V 50 60Hz AC230 240V 50 60Hz D2...

Страница 14: ...BIAS FRQ Adj CT W208R KUXJ KCXJ F101 F104 F203 F204 Not used DTF1067 DTF1067 RS1 10S000J Not used Not used RS1 10S000J Not used R231 R232 R131 R134 CT W208R HYXJ HVXJ MECHA UNIT 2 2 2 RYM1262 MECHA UNIT 1 1 2 RYM1261 MECHA UNIT 2 1 2 RYM1262 3 3 MAIN UNIT 1 2 A1 2 ...

Страница 15: ... B C D 5 6 7 8 5 6 7 8 HYXJ HVXJ KUXJ KCXJ MAIN UNIT 1 2 RWZ4352 CT W208R KUXJ KCXJ RWZ4348 CT W208R HYXJ RWZ4393 CT W208R HVXJ A 1 2 PLAYBACK SIGNAL RECORDING SIGNAL SIGNAL ROUTE A 2 2 HYXJ HVXJ Only C222 C221 A1 2 ...

Страница 16: ...RN 2 UNIT POWER SW UNIT POWER SW UNIT FOR CT W208R KUXJ KCXJ C D FOR CT W208R HYXJ HVXJ POWER TRANSFORMER RTT1311 POWER TRANSFORMER RTT1312 RWZ4367 KUXJ KCXJ D RWZ4365 HYXJ RWZ4397 HVXJ AC120V 60Hz AC220 230V 230 240V 50 60Hz AC POWER CORD PDG1064 AC POWER CORD HYXJ PDG1043 HVXJ PDG1055 A 1 2 TAPE SPEED Adj TAPE SPEED Adj X2 SPEED Adj MECHA UNIT 1 2 2 RYM1261 MECHA UNIT 2 3 3 RYM1262 HYXJ HVXJ Onl...

Страница 17: ... RWZ4353 CT W208R KUXJ KCXJ RWZ4349 CT W208R HYXJ RWZ4394 CT W208R HVXJ B SWITCHES Underline indicates switch position SUBB UNIT DECK I S1617 STOP S1619 FWD S1620 REV S1621 FF S1622 REW S1624 MS S1607 MS DECK II S1609 STOP S1611 MUTE S1618 REC S1611 FWD S1612 REV S1613 FF S1614 REW S1615 PAUSE S1604 MS S1605 MS S1602 X1 COPY S1603 X2 COPY The power supply is shown with the marked box KUXJ KCXJ HYX...

Страница 18: ...4 View point of PCB diagrams Symbol In PCB Diagrams Symbol In Schematic Diagrams Part Name B C E D D G G S S B C E B C E D G S B C E B C E B C E Transistor Transistor with resistor Field effect transistor Resistor array 3 terminal regulator Capacitor Connector P C Board Chip Part SIDE A SIDE B A MAIN UNIT CN1501 B J1001A C To MECHANISM UNIT 1 Q854 Q805 Q856 Q85 Q Q857 VR301 VR30 Q20 Q651 Q302 VR80...

Страница 19: ...NIT 2 ERASE HEAD RNP1735 A To MECHANISM UNIT 2 Q166 Q165 Q163 Q161 Q162 Q105 Q164 Q106 Q407 Q405 Q406 Q402 Q401 Q851 VR851VR852 Q852 4 805 Q856 Q853 Q855 Q857 VR332 VR101 VR102 VR103 VR104 Q201 Q312Q311 Q313 Q502Q751 Q101 Q103Q104 VR301 VR302 Q202 Q203 IC101 IC701 Q334 Q702 Q701 Q310 IC201 Q308 VR401 VR402 SIDE A ...

Страница 20: ...CT W208R 20 A B C D 1 2 3 4 1 2 3 4 A A MAIN UNIT ...

Страница 21: ...CT W208R 21 A B C D 1 2 3 4 1 2 3 4 A SIDE B RNP1735 A ...

Страница 22: ...CT W208R 22 A B C D 1 2 3 4 1 2 3 4 SIDE B B 4 2 SUBB UNIT SIDE A Q1504Q1505 Q1506 Q1503 Q1502 Q1501Q1507 Q1511Q1508Q1510Q1509 Q1514 Q1512 SUBB UNIT B CN1503 A RNP1735 ...

Страница 23: ...CT W208R 23 A B C D 1 2 3 4 1 2 3 4 C D SIDE A 4 3 TRN 2 UNIT and POWER SW UNIT RNP1735 RNP1735 TR1 POWER TRANSFORMER D POWER SW UNIT C TRN 2 UNIT To AC POWER CORD J1001 A ...

Страница 24: ...1 R 0 K Ex 2 When there are 3 effective digits such as in high precision metal film resistors 5 62k Ω 562 101 5621 RN1 4PC 5 6 2 1 F LIST OF HOLE PCB ASSEMBLIES Remarks KUXJ KCXJ HYXJ HVXJ CT W208R Symbol and Description Mark Part No NSP MOTHER UNIT RWM2064 RWM2064 RWM2063 RWM2068 MAIN UNIT RWZ4352 RWZ4352 RWZ4348 RWZ4393 SUBB UNIT RWZ4353 RWZ4353 RWZ4349 RWZ4394 NSP TRN 2 UNIT RWZ4351 RWZ4351 RWZ...

Страница 25: ... C214 CEAT1R0M50 C321 C322 C703 C704 CEAT1R0M50 C1008 CEAT220M50 C1010 C1011 CEAT221M16 C403 C404 CEAT330M16 C660 CEAT330M35 C1005 C1006 CEAT331M16 C659 CEAT331M6R3 C1013 CEAT332M16 C1004 CEAT332M35 C653 C654 CEAT3R3M50 C125 C126 C219 C323 C325 CEAT470M16 C409 C502 C705 C713 CEAT470M16 C115 C116 C313 C314 CEAT4R7M50 C315 C316 CEATR22M50 C657 C658 CEATR47M50 C407 CFTLA123J50 C215 C216 CFTYA103J50 C...

Страница 26: ...0325E J801 10P JUMPER WIRE D20PYY1030E J851 13P JUMPER WIRE D20PYY1315E JA902 JA903 JACK RKN1004 X501 CERAMIC RES 6 3MHz RSS1045 PCB BINDER VEF1040 KN1001 EARTH METAL FITTING VNF1084 3P CABLE HOLDER 51048 0300 10P CABLE HOLDER 51048 1000 13P CABLE HOLDER 51048 1300 SUBB UNIT RWZ4353 SEMICONDUCTORS Q1511 Q1514 2SA1309A Q1507 Q1510 DTA114TS Q1501 Q1506 DTC114TS D1601 D1602 1SS254 D1501 D1503 D1507 D...

Страница 27: ...Vrms 5 Connect a 10 kΩ load resistance to the OUTPUT terminals 6 Unless otherwise specified the switches listed below are left in the positions indicated DOLBY NR OFF TAPE SELECTOR NORM Test Tape STD 331E Playback adjustment See Fig 6 2 STD 632 NORMAL blank tape STD 622 CrO2 blank tape STD 611 METAL blank tape As the reference recording level is 250 nwb m for STD 331E the recording level will be h...

Страница 28: ... t s u j d a h t u m i z a d a e H 3 6 g i F e e S w e r c s T U O E N I L l a n g i s k c a b y a l p m u m i x a M l e v e l 2 P O T S t n e m t s u j d a g n i t e l p m o c r e t f a d n o b n o c i l i s h t i w w e r c s e h t k c o L o N e d o M e p a T t s e T d n a l a n g i S t u p n I n o i t a c o L t n e m t s u j d A n o i t a c o L t n e m e r u s a e M e u l a V t n e m t s u j d A...

Страница 29: ...tape and record playback the 315Hz signal DOLBY NR OFF Repeat recording playback and adjustment until playback level of the 315Hz signal becomes 10dBV 0 5dB Note Set the 10kHz input signal level to the same value as the 315Hz input signal level of step 1 Input a 315Hz signal to the LINE INPUT Remarks No Mode Input Signal Test Tape Adjustment Points Measurement Points Adjustment Value Remarks No Mo...

Страница 30: ...1 P B LEVEL ADJ REC LEVEL ADJ R cH L cH ADJ VR302 VR301 IC301 IC201 IC101 IC851 R339 R340 R407 TP1 TP2 VR101VR103VR102 VR104 Front Side MAIN UNIT Fig 6 5 Adjustment Points and Measurement Points Adjustment and Measurement Points ...

Страница 31: ...s it fifth times Is it second times Is MODE SW OFF Is MODE SW OFF Yes Yes Yes Yes ERROR port Pin 54 and 56 port Pin 54 and 56 port Pin 53 and 55 Check that the mecha is stop condition port Pin 14 and 20 L Initialize end Deck motor off port Pin 54 and 56 L Yes Give up No No No No No Perform the mechanism initializa tion every time it power on When the AC outlet is pulled out while raising up the He...

Страница 32: ...rd disable SW metal SW 51 TP0 O NOR CRO MET TP0 L H L TP1 L L H 19 RRC2 I reverse record disable SW 52 X1 O 20 MOD1 I L when all the following SWs are ON 53 SOL1 O Deck 1 side mechanical control output Solenoid control Capstan motor control Deck 2 side mechanical control output Solenoid control Capstan motor control Motor speed adjustment When X1 H 21 CRO1 I Mode SW chrome SW half SW 54 CPM1 O 22 ...

Страница 33: ...essing this button NOTE If the power is turned off while the tape is moving the cassette door may remain locked In this case turn the power on before pressing the eject 0 button 1 POWER switch 2 DECK I MS music search buttons 3 DOLBY NR switch B OFF C Dolby noise reduction and manufactured under license from Dolby Laboratories Licensing Corporation DOLBY the double D symbol are trademarks of Dolby...

Страница 34: ...tivity LINE INPUT 100 mV Input impedance 68 kΩ Output Reference level LINE OUTPUT 0 5 V Output impedance 1 9 kΩ Subfunctions Automatic reverse DOLBY B C type NR Music search over 15 selections High speed and normal speed copy DECK I DECK II Relay playback blank skip Peak level meter with peak hold function Automatic space recording mute Automatic tape selector Î System remote control available Mis...

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