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Teac GF-480 Service Manual - Gf-480

Other manuals for GF-480: Owner's Manual

Summary of GF-480

  • Page 1

    Pc boards shown are viewed from parts side. The parts with no reference number or no parts number in the exploded views are not supplied. As regards the resistors and capacitors, refer to the circuit diagrams contained in this manual. Parts marked with this sign are safety critical components. They ...

  • Page 2: 1  Safety Information

    1 safety information use of controls or adjustment or performance of procedures other than those specified herein may result in hazardous radiation exposure. Safety information this product has been designed and manufactured according to fda regulations " title 21, cfr, chapter 1,subchapter j,based ...

  • Page 3: 2  Specifications

    2 specifications gf-480 3 amplifier section tuner section speaker system section impedance: 8-ohms type: 1-way cd player section frequency response: signal-to-noise ratio: wow and flutter: channel separation: 40 to 16,000 hz +/-5db 75db (iec-a) unmeasurable 40db cassette deck section track system: t...

  • Page 4: Gf-480

    4 gf-480 use a screwdriver with a plastic or ceramic grip for all adjustment. 1. Set the function switch to the fm position. 1. Set the function switch to the am position. 2. Connect the signal generator output through a 75 ohm dummy 2. Connect the test loop antenna across the output of the signal g...

  • Page 5: Gf-480

    Gf-480 5 3-1-3 fm/am alignment chart 3-1-4 turntable alignment chart item adjustment point adjustment sg setting tuner setting 1. Fm band 2. Tracking 3. Tracking 108mhz 104mhz 104mhz repeat step 2 90mhz 90mhz 108mhz 87.5mhz 87.5mhz 1khz, +/-22.5khz dev. 1khz, +/-22.5khz dev. 1khz, +/-22.5khz dev. 1k...

  • Page 6: Gf-480

    6 3-3-1 tape speed adjustment 3-3-2 azimuth adjustment 1. Place the function switch in the tape position. 2. Connect the frequency counter to the speaker terminal. 3. Load tape decks with mtt-111n (use the midpoint of side a). 4. Press the play button on tape and adjustmotor vr to obtain 3,000hz +/-...

  • Page 7: Gf-  480

    53 56 56 58 62 10 11 12 60 13 15 56 57 16 30 21 17 18 19 20 58 58 58 57 29 57 31 26 59 21 24 25 54 27 28 57 58 40 41 17 42 21 23 22 58 56 57 44 43 43 46 47 48 52 57 58 55 50 50 61 61 61 51 49 55 57 58 34 45 55 33 32 35 38 37 39 36 56 14 1 9 7 8 6 5 4 5 4 3 2 gf- 480 4 exploded views and parts list e...

  • Page 8: Gf-480

    Ref. No exploded view-1 1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 1-9 1-10 1-11 1-12 1-13 1-14 1-15 1-16 1-17 1-18 1-19 1-20 1-21 1-22 1-23 1-24 1-25 1-26 1-27 1-28 1-29 1-30 1-31 1-32 1-33 1-34 1-35 1-36 1-41 1-37 1-42 1-38 1-43 1-44 1-45 1-39 1-40 1-46 1-47 1-48 1-49 1-50 gf-480 parts no. 015-f3000300 008-0...

  • Page 9: Gf-  480

    40 39 43 41 37 38 42 gf- 480 exploded view - 2 33 33 29 28 33 34 30 36 32 26 32 32 29 28 29 33 11 13 12 15 16 18 17 19 21 21 21 20 22 23 25 24 27 14 14 1 3 5 9 8 6 7 31 35 35 9 4 2 10

  • Page 10: Gf-480

    Ref. No exploded view-2 parts no. 011-f1800500 040-01000310 063-gf200110 player assy 3 speed (dc:9v) ac power slide switch (uni) description remarks 2-1 2-2 2-3 2-8 2-4 2-9 2-5 2-10 2-11 2-16 2-12 2-17 2-13 2-18 2-14 2-19 2-15 2-20 2-6 2-7 016-gf600200 010-gf600100 back board - upper 016-gf600301 ba...

  • Page 11: Gf-480

    Gf-480 5 pc boards and parts list 11 main pcb ass'y ref. No cf1 cf2,4 cf3 cn7 cn8 cn501 d22-d25 fuse2 ic1 d1-16,26-29 c88 cn201 l4 ic5 ic2 ic3 l6 l5 l1 l2,3 l8 q1,2,4,7-10,12, q15,18,19,21,22, q3,23,37 q11,20 q17 vr1 l7 zd1 zd3 zd2 l9 q24,25,27-36 q26 cn5,9 parts no. 062-gf600000 018-05030000 018-0g...

  • Page 12: Gf-480

    Main pcb function key pcb power & fm st led pcb gf-480 12.

  • Page 13: Gf-480

    Gf-480 13 cd main pcb cd main pcb ass'y connector base 11pin connector base 3pin connector base 5pin connector base 6pin connector 16pin cn4,5 cn6 cn1 cn2 ref. No ref. No parts no. Parts no. Description description 062-lt98es01 100-98es3090 082-11100100 082-10300100 082-10500100 082-10600100 cn7 l1,...

  • Page 14

    Cd main pcb phono speed pcb gf-480 14 eq pcb control pcb power amp pcb phono speed sw pcb.

  • Page 15: Gf-480

    Gf-480 to transformer to led pcb cw501 t o r /p h e a d to cass motor to eq pcb cw9 t o f u n c t io n p c b c w 2 0 1 6 wiring diagram 15 am ant l4 fm ant black g f b e white green red black main pcb.

  • Page 16: Gf-480

    Cn1 cn2 cn4 to main pcb cw11 to cd control pcb to cd mech to cd mech to cd mech cn5 cn7 cd pcb gf-480 cn6 cw301 to cd control pcb cw302 to main pcb cw6 to transformer to r-speaker to l-speaker t o e q p c b c w 3 power amp pcb 16.

  • Page 17: 7  Included Accessories

    7 included accessories ref. No parts no. Description instruction book -eng/french (ul/csa) 046-gf600001 046-gf600000 instruction book -spaish/portuguese (uni) 047-d2831000 guarranty sheet 010-10000700 45 rpm adaptor 037-f4800100 rubber mat remark 17 gf-480

  • Page 18

    Gf-480 teac australia pty., ltd. A.B.N. 80 005 408 462 280 william street, melbourne, vic 3000, australia phone:(03)9672-2400 teac italiana s.P.A. Teac belgium nv/sa. Via c, cantu 11, 20092 cinisello balsamo, milano, italy phone:02-66010550 c/o teac nederland bv, oeverkruid 15, nl-4941 w raamsdonksv...

  • Page 19

    R 3 4 1 0 m 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 75 74 73 76 79 78 77 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31...

  • Page 20

    ! ! ! ! ! ! ! Main pcb ! ! ! ! ! ! ! ! 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 22 23 24 v s s 1 in h o s c o p t m u t e t u t u t a p e r o u t v s s 2 l o u t s g -b 4 c d t a p e t u t u p h c d t a p e a m f m v d d ic2 pt233t 20 p h c d am ant l4 l2 5.5x2.5t c4 104 c90 10/25 c5 104 c...