Pioneer T-6100/F, Service Manual

Page 1: ... R42 105 O Sn ice lon 0 STEREO TAPE DECK T 6600 F T 61o o F 7OJO2E31T TJIONEEfiI ...

Page 2: ...00ft 370m tape Wow and flutter Less than O 12 at7 1 12ips 19cm s Less than Q 2O at 3 3 4 ips 9 5cm s Frequency response 30 to 20 000H2 So to 15 000H2 12dB at7 1l2ips 19cm s 30 to 13 000H2 at 3 3 4 ips 9 5cm s SN Ratio More than 55dB lnput Microphone 0 3mVto240mV 50kSl Line input 30mV to 24Vl330kQ Output Lineoutput 0 775Vl50kO Headphone output 0 2mW 8O Connector REC P B DIN type Lineinput Pinjack L...

Page 3: ...T EiCiOO With package 38 lb 11 oz 17 6kg Without package 28 lb 9 oz 13k9 PR T0emptyreel easy loadingreel 1 Dustcover 1 Reelcap 2 Connectioncord 2 Splicingtape 1 Sensingfoil 1 Cleanrngkit 1 Fuse 1A 1 Motorpulley 50Hzor60Hz 1 design subject to possible modification without notice ...

Page 4: ... LEVEL METER M ICROPHON E JACKS RECORDING LEVEL CoNTROL R tc HT MODE SWITCH REEL CAP REC P B CON N ECTOR LIN E VOLTAG E SELECTOR 8 FUSE AC POWER CORD GROUND REEL BASE D IR E CTION SELECTOR BUTTON S HEAD HOUSING PAU SE LEVE R U NCTION LEVE R PLAYBACK LEVE L CONTROL RECORDING LEVER H EADPHON E S JACK LINE INPUT JACKS LINE OUTPUT JAC KS TE RM INAL ...

Page 5: ... POWE R SWITCH E RASE H EAD PILOT LAM PS R E COR DtN G PILOT LAM PS POWE R SUPPLY UNIT MOTOR R E C SWITCH ASSE M BLY MP CAPACITOR MOTOR PU LLEY SPE E D SE LE CTOR ARM DRIVE BELT FLYWHEEL E RASE H EAD R ECIP B HEAD CAPSTAN PINCH COVER REC P B HEAD POWE R TRANSFORM E R SPEED SELECTOR SWITCH PLUNGER ...

Page 6: ... VOLUME VRr Sr FWD REV SW FWD POSITI0N I FRPH R RPil N NE NPUT v tC P P Sz R RECORDING CIRCUIT With the FUNCTION TEVER set to REC the switches Sz t Sz 0 are connected to the R side recording 1 The input signal which comes through the input terminals DIN type connector or LINE INPUT terminals passes through the switch Sz t and is amplified by transistors Ql Q2 2 The amplified input signal is negati...

Page 7: ...ER releases the switch Ss allowing the current to flow through R6 6 and the PLUNGER is held without big heat T EiCioo 6 When the contact of the FWD side of the switch Ss is closed both ends of the relay coil are shorted causing the relay to release 7 Since the contact point is inserted in parallel into the switch Sa the same operation as in 3 and 6 above will be performed when the contact point is...

Page 8: ...frames Then remove the fronf panel 3 With the front panel removed most of the mechanism can be inspected as shown in Photo 2 AMPLIFIER PANEL 1 Remove the RECORDING LEVEL control knobs Left and Right the MODE SWITCH knob and the PLAYBACK LEVEL control knob as shown in photo 3 2 Remove the lock nuts and washers that secure the shafts of the RECORDING LEVEL control knobs Left and Right and the PLAYBA...

Page 9: ...can be inspected as shown in Photo 6 WIi Photo 5 Photo 6 T CiCiO f COVER OF AMPLIFIER CHASSIS 1 With the wooden base removed remove the four screws shown in Photo 7 and pull the cover frontwards The cover will come off easily 2 With the cover removed adjustments or replacement of the amplifier P C B ass y can be made as shown in Photo 8 Photo 7 Lch Rch osc UNIT Photo I ...

Page 10: ...otor is defective coil is open a Motor pulley setscrew is loosened b Belt is contaminated with oil belt slips c Belt is stretched loose belt d Belt is out of place e Flywheel bearing metal is short of oil f Bearing metal is stuck b Auxiliary brake defective Tension adjusting screw not adjusted correctly a Capstan and pinch roller are contaminated with oil slipped capstan b Pinch roller is defectiv...

Page 11: ...tive e Coil of relay RLt is open f Contact pole is shorting to pole mounting plate a Brake shoe is unstuck or out of place b Brake spring is out of place c Brake mechanism is maladjusted d Side of reel base or the brake shoes are dirty a Brake is defective b Brake mechanism is maladjusted c Supply and take up ten sion are not proper a b g Replace I h Replace reel pulley I i Wipe the belt clean wit...

Page 12: ...olving parts are short of oil d ReeI base pully ass y is defective a Back tension is too strong b Dusty capstan c Capstan surface is scratched or deformed d Dusty pinch roller e Pinch roller is scratched or deformed f Pinch roller pressure is not enough g Driving belt is defective h Driving belt is contami nated with oil i Flywheel ass y is defec tive j Motor is defective a Spring is out of place ...

Page 13: ...ent is insufficient Equalizer is maladjusted a Resistance of R is lowered b Coupling capacitor or emitter capacitor of each transistor is defective a Connecting cord is poor connection or equipment is froating from gtound b Co t and Co s are defec tive Transistors Qt and Qz are defective Resistors Rr Rz Rr r Rl z or Rr r are responsi hle for noise a b a b c Check connecting cord Solder again or re...

Page 14: ...b Bias current is not cor rect c Recording amplifier circuit has trouble d Oscillator transformer Tz is broken e Cs r Csz defective or VRr VRa are malad justed a Erasing head is open b Switches S l S c defective c Oscillator circuit not work does a Head height ed b Tape does smoothly is maladjust not run LEVEL METER defective VRs is maladjusted ls b c Demagnetize eraser by head a Solder defective ...

Page 15: ...ck it with paint so that the lower nut should not be loosened NORM AL SPE E D 2 6omm TENSION GAUGE Pull the tension gauge at a speed of 7 n9cm s Fis 3 ADJ USTM E NT OF TAKE U P TE NSION AT 1 Switch the power ON Hook a tension gauge at the end of the tape 2 Set the FUNCITON LEVER to the FAST position 3 Pull the tension gauge until the reel stops rotating 4 When the reel hub is 2 3 18 60 mm normal t...

Page 16: ...er than that to the right reel base o Setting the FUNCTION LEVER to the STOP position will make an adjustment of the tension brake easier 5 Repeat this adjustment several times for right and left reels until the value of back tension remains within the specified range ADJ USTM E NT OF BRAKE 1 Bend the brake pole slightly so that the brake shoe detaches from the reel base in PLAY and FAST operation...

Page 17: ... PORTION Tension brake Reel base About t f 8 5176 3 4mm apart About I14 5 mm apart In contact Tension brake BRAKE SHOES WORKING FAST POSITION Photo 13 STOP POSITION Photo 15 Photo 14 Photo 16 PLAY POSITION L6 Photo 17 Photo 18 ...

Page 18: ...L OF TRAVELING TAPE The height level of the tape traveling should not vary with respect to the head when the tape is moving at the normal speed in either forward or reverse direction When the pinch roller assemb ly has been replaced or the contact pressure of the pinch roller has been adjusted check the height of traveling tape by the following steps 1 Run the tape at a normal speed 7 tl2 ips 19 c...

Page 19: ...5 Run the tape in both directions several times and check if the level of the head is properly adjusted Fis 9 RIGHT SIDE HEAD 1 Run a transparent tape in the reverse direc tion 2 Adjust the level of the recording playback head so that the bottom edge of the head core may be slightly 0 0015 0 0375 mm above the bottom edge of the tape 3 Adjust the level of the erase head so that the bottom edge of t...

Page 20: ...ust the tilt of the head so that the tape may eontact the front surface of the tape uniformly 2 Adjust the tilt of the recording playback head with serews A and B and the erase head by loosening nuts A and B Fis 12 SCREW C SCREW B SCREW A l9 ...

Page 21: ...Set the MODE SWITCH to L left channel or to R right channel and to change the tape direction Adjust L so that the change of the bias waveform on the synchroscope may become the least significant as compar ed with the change in the case of STEREO operation 7 Adjust VRrz so that the change of the bias current may remain within the range of 1100 pA Thisvalue changes to voltage on V T V M of step 5 th...

Page 22: ...Notes oAdjust the meter by VRs so that they indicates 0 position o In this case the output level at LINE OUTPUT terminal should be set to 0 dB 0 775 V for both channels PLAYBACK EOUALIZER ADJUSTM ENT 1 Connect the V T V M s to the right and the left channels of the OUTPUT terminal res pectively 2 Load the test tape and run the tape at 7 712 ips 19 cm s 3 Playback Zone No 4 of the test tape 5 kHz 0...

Page 23: ...obs so that it may become 0 dB 0 775 V on the LEVEL METER Note Once the recording level has been set with the knob don t touch the kriob hereafter 4 Playback the tape recorded through the step 3 If V T V M voltage reading is less than 0 dB 0 775 V turn the variable resistors 15000H2 7500H2 Fig 16 VR e r to the right a little and reading is more than 0 dB turn them to the left a little Do not turn ...

Page 24: ...ut 7 8 mV through the LINE INPUT terminals and adjust Lz so that the pointer of the V T V M may indicate the maximum T CiEiOCl VR5 Rch Photo 19 If the unit is operated at the tape speed of 3 3 I 4 ips 9 5 cm s this adjustment is not always necessary Check that the deflection of the pointer on the V T V M stays on about 11 kHz by changing the frequency of the audio oscillator Note This adjustment h...

Page 25: ... current changed the frequency response in high fre quency range varies A7 ips 19cm s 3 ips 9 5cm s o I z Fig 17 10000H2 3dB F 3dB 1 5000H2 3dB 3dB SoHz 7sooHz 8 LINE VOLTAGE SELECTION AND FUSE Fig 18 o SWITCHING LINE VOLTAGE SETTING AND FUSE To remove the fuse turn the fuse cap located on the line voltage selector switch in the direction indicated by the arrow then remove the fuse plug from the u...

Page 26: ...t to the motor shaft by the setscrew 5 Load the drive belt and the take up belt Operate the unit in both directions and see if the speed selector knob functions correctly 6 If oil or grease is adhered on the drive belt or the take up belts wipe it clean with pure alcohol 7 Change the connection of the MP phase shift capacitor x When changing 5O Hz to 60 Hz Open the connection between the termi nal...

Page 27: ...tl Cd c 1 c E f L 2 E L 9 Gi ca E o 1 ct 1 CD E t q t o ct sf C c j c13 _i E F E cr LO E LO J t ca c l O C E o CA E O o O L co l F F O E o UJ o F J o o z F z lr E t O 3 26 ...

Page 28: ... REC CURRENT 50uA 10 0dB 10 20 30 40 50 60 10 NFB 12d I 0775V MAX INPUT 10d8 240mV oas NFB t9sdB VR ATT 11 5 dB x g BdB VOLUME ATT 43d8 t lt tsae L VOLUME ATT IdB rstao zs zae HEAD PHONE OUTPUT LEVEL ot B t lood X I T 6100 bBdB 1mV MIN iNPUT 6BdB 03mV ...

Page 29: ...PLAY BAC K 0dB 10 20 30 40 50 60 o dB o 77sv NFB 21 3 dB zsas NF8 37 dB vorur tE ATT BdB C 37d8 O rrupur 5BdB tmv 28 ...

Page 30: ......

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Page 33: ...T EiCiOO osc uNrT w37 4o2 O SC UNIT w37 402 t3 t4 l5 t6 VRe 150 K VRro 150K I VRr l50K Cso 0 01 8o 2SC O6l Cs 10 35 I Y l it ...

Page 34: ...REC SWITCH UNlr W1 8 442 REC SWITCH UNIT wlg 442 LN N o wl8 442 Y ...

Page 35: ...PO trrER SUPPLY UNIT wl6 409 r I l I rl L O Cv i f a v d r l l I t t_ a c d r t l I t L Rot 150 3tU l lat l I t J Cos 0 1 T EiEiOO Povl ER SUPPLY UNrr W1 6 408 ...

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Page 43: ... 6qq sqqFs ilrHHs H H Hne cltgScltc clt1icl rl n g l Jclt EIfii 2n zil ilililii i32r il L 9 t CL L 8 o o E C O oo UE 6 E FA PEE iiii A EE HH NV EggIgEEEgigg agi5 n f si 55 zEa Erf HI s E s aII I Eit i gt Ft gEEE E Ffrm o z o V Fc 9 Lo oF oc tFe 00 rro ot o o tFFtFtt FtFtF FrF FN 43 ...

Page 44: ...T CiEiOO o C J P ct F ll ER h F 44 ...

Page 45: ... sqsFs s qB YFsss ss Oo S olc lel N e r J 9 9 c S NNc Nc1 9 oocc oir u a a n y uJ uJ tJ J UJ Lu LU UJ Z rU LU b o z 6 o o 8 o 6 6 i E si q e I s s 3 l SSE t 22 g EE fr lst rii E F 5 E 9 ggi EE b 9I e xooib QB e V g geFi iEut i3ge s66 F t qS rES GGoi i F F r iFEe3 g J 5 g o E o sf tc O oee NU AU 45 ...

Page 46: ...AND PARTS LIST TAPE DECK TOP COVER H42 402 O COVER BAG H46 406 O DUST COVER A56 404 o ACCESSORY BOX H46 405 O PACKING A H4 r 405 o VINYL BAG H46 403 O PACKING B H4 r 406 O TTOM COVER H42 402 O CARTON H43 406 O tt 46 ...

Page 47: ...STEREO TAPE DECK T 6 1o o F ...

Page 48: ...ml12OOft tape Wow and flutter Less than O 12o o at7 112 ips 19cm s Less than 0 2O at 3 3 4 ips 9 5cm s Frequency response 30 to 20 000H2 50 to 15 000H2 t2dB at 7 1 12ips 19cm s 30 to i3 000H2 at3 314 ips 9 Scm s SN Ratio More than 55 dB lnput Microphone 0 3mvto240mv 50kQ Line input 30mV to 24vl330k0 Output Lineoutput O 775vl50k f Headphone output 0 2mW 8f Connector REC P B DIN type Line input Pin ...

Page 49: ...26 lb 7 oz 12k9 PR 70 empty reel easy loading reel 1 Vinyl cover 1 Reelcap 2 Connectioncord 2 Splicingtape 1 Sensingfoil 1 Cleaningkit 1 Fuse 1A 1 Motorpulley 50Hzor60Hz l NOTE Specifications and the design subject to possible modification without notice due to improvements v ...

Page 50: ...EADPHON E JACK RECORDING LEVEL coNTROL LE FT LEVEL METER REEL CAP REC P B CON N ECTOR LIN E VOLTAG E SELECTOR 6 FUSE AC POWER CORD GROUND TERMINAL T Ei1ocl EEL BASE DIRECTION SELECTOR BUTTON S PAUSE LEVER FUNCTION LEVER MODE SWITCH RECORDING LEVE R RECORDING LEVEL coNTROL R rG HT LINE INPUT JACKS LINE OUTPUT JACKS ____ L ...

Page 51: ...OU NTE R POWE R SWITCH E RASE H EAD REC P B H EAD POWE R SU PPLY MOTOR R EC SW ASSEMB W MP CAPACITOR MOTOR PU LL EY PEED E LE CTOR ARM DRIVE BELT FLYWHEEL REC IP B H EAD APSTAN PINCH COVER POWE R TRANSFORMER SPEED SELECTOR SWITC H PLUNGER UNIT ITC H LY ffi ffiiffi ffis ...

Page 52: ... front panel 3 With the front panel removed most of the mechanism can be inspected as shown in Photo 2 Photo 1 Photo 2 T 610cI II AMPLIFIER PANEL 1 Remove the RECORDING LEVEL control knobs Left and Right and the MODE SWITCH knob as shown in Photo 3 2 Remove the lock nuts and washers that secure the shafts of the RECORDING LEVEL control knobs Left and Right 3 Now replacement of the pilot lamps and ...

Page 53: ...er parts can be inspected as shown in Photo 6 Photo 5 Photo 6 IV COVER OF AMPLIFIER CHASSIS 1 With wooden base removed remove the two screws shown in Photo 7 and pull the cover frontwards The cover will come off easily 2 With the cover removed adjustments or replacement of the amplifier P C B assembly can be made as shown in Photo 8 Photo 7 Lch OSC U N IT Photo 8 ...

Page 54: ...ints TP 2 may indicate I mV this means that the bias current is 900 pA 5 Set the MODE SWITCH to L left channel or to R right channel and to change the T 8i1ocl tape direction Adjust La so that the change of the bias waveform on the synchroscope may become the least significant as com pared with the change in the case of STEREO operation 6 Adjust VRe so that the change of the bias current may remai...

Page 55: ... Left VR of L ch amplifier Right VR of R ch amplifier VRs VRz VRq VRT VR VRo VRs VRz VR VRr VRa VRo LEVEL METER CALIBRATION 1 Connect the V T V M s to the right and left channels of the OUTPUT terminal respec tively 2 Load the test tape and run the tape at 7 712 ips 19 cm s 3 Playback Zone No 3 of the test tape 700 Hr 0 dB full track Adjust VR5 so that the pointer of the V T V M s may indicate 0 d...

Page 56: ...cording level has been set with the knob don t touch the knob hereafter T Ei1 0 4 Playback the tape recorded through the step 3 If V T V M voltage reading is less than 0 dB 0 775V turn the variable resistors VR6 to the right a little and reading is more than 0 dB turn them to the left a little Do not turn the playback output level too much to avoid changing the level with V T V M 5 Try recording a...

Page 57: ...F ELECTRIC CIRCUIT of the T 6600 by making reference to these BLOCK DIA GRAMS AMPLIFIER AND OSC UNITS Sr FWD REV SW FWD P0SIT ON F R PH R RPH DIN LINE INPUT M r0 2 P Sz R Szs R REC VOLU tlE ST N4I FIXFD VR PB LEVEL ADJ P Sz RIC PB SW PB POS TI0N r UIPUT O MUTING SW I v77 CONTROL AND POWER SUPPLY UNITS 10 ...

Page 58: ......

Page 59: ...tu 0 9 00t cz3 c o N E GJ c cO d c c t t e 9 tt ezO LV 8ZA y tq lzu 0gg zzu 9l 0t zz3 c c C q O D O c c O O ce d t e 9 001 1rc 0t stu a o Lt I J TIZ IIU gq l 1 0z I rr 9L ILE Lr a J O O 0t zlu r 9 tt fl3 gl Ot zlc d00t 0r3 aa tE oo FF OO t trj JJ trJ tt J aa i GO tl O6 3 trt t E t Ior oco n F U OO l L oo OO 9 J 33 sf 9 rn O OIO ilaaz 5NN_ F O lro Ocv ooo o O t 6u IJJ F o z o I rf F z f o tr t o F ...

Page 60: ...L4 ...

Page 61: ...T Ci1CICl osc uNlr w37 401 Qr zSC I 06l Csl 10 35 OSC UNIT w37 40 I l00p VRr l50K 100 P VRa 150 K stlo rl Qa 2SC O6l s F tr N f J O o d fl lt rl rl ll ll ...

Page 62: ... 10 16V 100 6 3V 56p sOV o 1 50v 10 25V 4 7 25V 4 7 25V Electrolytic 1O Mylar 0 03 Mylar 0 068 Electrolytic 4 7 Styrol 39Op Styrol 27Op 50V Styrol 390p sOV Styrol 100p sOV Styrol 100p sOV Electrolvtic 1O 35V 16V 50v 50v 25V 50v CEMX lOOMF 25V CEMX lOMF 16V cosA 101K 50 CEMX 33MF 6R3V cosA 560K 50 CEMX lOMF 16V CEMX 1OOMF 6R3V caMA222K 50 coMA 203K 50 OEMX 220MF 25V CEMX lOMF 16V CEMX 33MF 6R3V CEM...

Page 63: ...K K RF VS 1K K RF VS 47K K RF AVS 39OK K RF VS 39K K RF74VS 12K K RF VS 1R3K K RF74VS 24O K RFY4VS 6R8K K RF VS 1GK RF VS 39K K RF VS 4R7K K RF VS 22 K Symbol Description Part No R54 R61 R62 R63 R64 R65 R66 Carbon film 22 Carbon f ilm 150 Carbon film 33 W Metal 560 3W Metal 160 3W Wire wound 75 10W Wire wound 75 10W RF VS 22 K RF1 4VS 560 K RF PS 33 K R03P 560 K R03P 160 K c91 85 1 0 c91 851 0 POT...

Page 64: ...K41 851 0 E22 405 O E22 854 A K41 851 O K72 O24 O K72 026 0 K93 003 B K21 OlGD Symbol Description Part No s6 S7 S9 sl0 s11 s12 Muting Switch Contact Point OFF Switch Plunger Switch Motor Switch Shut off Switch Power Switch s48 85 A s42 40 O s48 855 0 s21 851 0 s21 851 0 s31 851 O SEMICONDUCTORS Symbol Description Part No o1 02 o3 o4 o5 o6 a7 08 D1 D2 D3 D4 2SC458LG B orC Transistor 2SC458LG B or C...

Page 65: ... rest Speed selector knob Head housing assembly Counter escutcheon Sash A Power switch button Rec level control knob Amplifier panel Rec lever knob F u nction lever knob Mode switch knob Pause lever knob Lock spring for REC PAUSE levers A61 408 B 461 407 B E17 412 A 466 851 0 A66 852 A A12 406 0 E17 413 O A66 402 A A61 406 8 A17 402 0 A12 403 A A62 403 B A 18 401 O A17 85 A A12 403 A A 1 8 606 0 8...

Page 66: ...4 Take up belt Motor pulley 50Hz 60H2 Take up belt Drive belt Counter belt Tape cou nter Power switch Mic jack Headphone jack Rec level control Potentiometer Leve meter Rec mode switch N28 852 A w71 416 4 w71 419 A N28 852 A N 28 851 O N28 853 0 A92 4A1 O s31 851 0 K72 O24 O K72 026 0 cB 1 433 0 A91 O14 O sl4 402 8 t ...

Page 67: ...ward cam Pause lever cam Shut off switch Push switch assembly Push button assembly R P head E head Pinch roller assembly Pinch cover assembly s21 418 0 s21 851 0 w72 477 O N81 404 0 s21 851 0 s32 401 A A18 402 0 P54 851 C P53 402 O E17 51 1 O w72 864 0 1 2 3 6 7 8 I 10 11 I UI J o o ...

Page 68: ... 413 A N 1 1 852 A c 15 852 0 s 14 401 O s42 403 O wl6 408 0 N 15 852 0 w18 442 c N N 1 2 3 4 5 6 7 8 11 12 I Key No Description Part No 9 10 11 12 13 14 15 OSC unit assemblY Amplif ier board assemblY 4P pin jack Rec P B connector O t w type Line voltage selector Screw for ground terminal AC power cord w37 401 0 w15 419 0 K21 001 D K93 003 B s1 1 018 O B 11 O12 A D 1 1 003 E r ffi ...

Page 69: ... 0 5 Washer 6 5 x 4 2 x O 3 Washer 12 x 8 2 x 0 3 Washer 10 8 x 7 5 x 0 3 Washer 10 x 5 2 x 0 5 Washer 8 x 5 2 x O 2l Washer 8 x 5 2 x 0 1 Locking pin for plunger Accessory box Vinyl cover Connecting cord Reel cap Head cleaning kit Cleaning ribbon Operating instructions s48 85s 0 s48 856 O K41 851 0 E 22 851 0 E22 405 0 E22 454 O E2 t 007 0 E21 004 0 M55 401 0 E17 414 O E31 851 0 E31 854 B E31 857...

Page 70: ...9 UNPACKING AND PARTS NUMBER TOP COVER H42 40 I O ACCESSORY BOX RHX O02 O PACKING A H4t 403 0 VINYL BAG H46 40 t o PACKING B H4 I 404 0 t i L BOTTOM COVER H42 40t O CARTON H43 403 O z4 ...

Page 71: ...5 5 4 Chome Ohmoni nrshr Ohra ku Tokyo Japar PIclN EEFI ELECTFIGINICEI U S A CctFIPGIFI ATIctN l4O Smith St Fanmingdale Ll N Y 11735 U S A PIG NEEFI ELECTFIGINIC EIJFIctPE NV Fna k rKlei 64 64 2OOO AnLweno Ele grum COPYRIGHI 197O OCT PRINTED IN JAPAN ...