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Teac SR-L50 Service Manual

Manual is about: Owners Manual

Summary of SR-L50

  • Page 1

    Service manual sr-l50 cd receiver notes contents ● pc boards shown are viewed from parts side. 1 safety inforamtion…………………… 2 ● parts marked with * require longer delivery time. 2 specifications…………………………… 3 3 adjustment and checks………….…. 4 ● the parts with no reference number or no parts number in ...

  • Page 2

    Sr-l50 1 safety information safety information this product has been designed and manufactured according to fda regulations “title 21, cfr, chapter 1, subchapter j based on the radiation control for health and safety act of 1986” and is classified as class 1 laser product. There is no hazardous invi...

  • Page 3

    Sr-l50 2 specifications tuner section (fm) general frequency range……………… 87.50 to 108.00 mhz(100khz step) total output power………………………………………………15w (u.S.A./canada model, general export model) power requirements……..…120v, 60hz (u.S.A./canada model) frequency range……………..… 87.50 to 108.00 mhz(50khz step...

  • Page 4

    Sr-l50 3 adjustments and checks 3-1 tuner section use a screwdriver with a plastic or ceramic grip for all adjustment. Am adjustment 1. Set the function switch to the tuner position. 2. Set the band switch to the am position. 3. Connect the test loop antenna across the output of the signal generator...

  • Page 5

    Sr-l50 3-1-2 am tuner s g s e t t i n g item audio modulation frequency output tuner setting adjustments measuring points result 1710khz(t/c) 1620khz(eur) l4 vt 8.0v 530khz(t/c) 1.Voltage adjustment 531khz(eur) check vt 1.5v 610khz(t/c) 610khz(t/c) 2.Ift adjustment 1khz 30% 612khz(eur) 76dbuv 612khz...

  • Page 6

    Sr-l50 3-1-3 fm tuner s g s e t t i n g item audio modulation frequency output tuner setting adjustments measuring points. Result 106.1mhz check vt 5.5-5.9v voltage adjustment 90.1mhz check vt 1.2-1.6v fm signal generator fm 75 ohm ac voltmenter fig.1-1-2 6 sr-l50 phones 1kΩ 1kΩ.

  • Page 7

    Sr-l50 3-2 cd section auto alignment. 7.

  • Page 9

    Sr-l50 exploded view-1 ref. No parts no. Description remarks 1 – 1 024-43010033 screw Ø3x10mm pwa black hd 1 – 2 061-olt10800 speaker 2” 8 ohm 5~8w 1 – 3 035-sd900082 r/l speaker eva washer 1 – 4 023-23014033 screw Ø3x14mm bb black hd 1 – 5 010-sr500200 left speaker box cover 1 – 6 010-sr500300 righ...

  • Page 11

    Sr-l50 exploded view-2 ref. No parts no. Description remarks 2 – 1 007-sr500300 lcd display lens 2 – 2 007-sr500200 bottom cabinet lens 2 – 3 001-sr500000 front cabinet 2 – 4 023-23008032 screw Ø3x8mm bb zmc hd 2 – 5 011-sr500800 pole bkt right 2 – 6 010-sr501300 cap shaft 2 – 7 010-sr501000 side po...

  • Page 13

    Sr-l50 exploded view-3 ref. No parts no. Description remarks 3 – 1 front cabinet ass’y 3 – 2 woofer box ass’y 3 – 3 100-sr502090 phone jack pcb ass’y 3 – 4 022-23006032 screw Ø3x6mm bm zmc hd 3 – 5 011-sr500600 phone pcb bkt 3 – 6 007-sr500100 cd door 3 – 7 cd ass’y 3 – 8 023-23008032 screw Ø3x8mm b...

  • Page 15

    Sr-l50 exploded view-4 ref. No parts no. Description remarks 4 – 1 008-olt98003 cd belt gear (d) 4 – 2 085-olt98050 motor rf-500tb-12560 4 – 3 100-sr502150 cd motor pcb ass’y 4 – 4 063-olt98400 leaf switch 4 – 5 010-lt980100 cd disc holder 4 – 6 051-srl50002 cd clamper himeron 4 – 7 025-olt98002 spe...

  • Page 16

    Sr-l50 5 pc board and parts list main pcb assy main pcb assy ref. No parts no. Description ref.No parts no. Description 100-sr502010 main pcb ass’y fuse01,02 090-22520022 fuse t2al 250v “ul/csa/vde” mark 062-srl50000 main pcb 94v-0 rev:00 ic3 075-00405201 ic:tc4052bp c1,2,3,4,5,6,7,8 070-32200507 ce...

  • Page 18

    Sr-l50 cd pcb assy cd pcb assy ref. No parts no. Description ref.No parts no. Description 100-sr502020 cd pcb ass’y l9,10 095-00100001 inductor 10uh 0.5w 062-srl50001 cd pcb 94-hb rev:00 (for t/c) 062-srl50006 cd pcb 94-hb rev:00 (for eur) q201 076-00b54400 transistor:2sb544f q202 076-00a73300 trans...

  • Page 21

    Sr-l50 tuner pcb assy tuner pcb assy ref. No parts no. Description ref.No parts no. Description 100-sr502060 tuner pcb ass’y q27 076-00a73300 transistor:2sa733 062-srl50003 tuner pcb 94-hb rev:00 q28,29,30 076-00c94500 transistor:2sc945 c102,104,106,108 072-11000161 e/c cap 100uf/16v m tc1 073-00020...

  • Page 23

    Sr-l50 lcd displayer pcb assy left function pcb assy ref. No parts no. Description ref.No parts no. Description 100-sr502050 lcd displayer pcb ass’y 100-sr502030 left function pcb ass’y 062-srl50005 united pcb 94-hb rev:00 062-srl50005 united pcb 94-hb rev:00 c301 072-04700161 e/c cap 47uf/16v m led...

  • Page 24

    Sr-l50 top left led pcb assy aux pcb assy ref. No parts no. Description ref.No parts no. Description 100-sr502120 top left led pcb ass’y 100-sr502100 aux pcb ass’y 062-srl50005 united pcb 94-hb rev:00 062-srl50005 united pcb 94-hb rev:00 cn303 082-20300100 connector 3pin p=2.0mm 90° c161,162 070-301...

  • Page 26

    D5 1n4002 c10 220/16 d6 1n4002 d7 1n4002 c9 2200/25 d8 1n4002 c7 223 c8 223 c5 223 c6 223 gnd d1 1n5392 d2 1n5392 d3 1n5392 d4 1n5392 c3 223 c4 223 c1 223 c2 223 ac coad ac input: transformer 120v/60hz white white red red jk01 phones jack c52 1/50 c53 1/50 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 vss ...

  • Page 27

    D5 1n4002 c10 220/16 d6 1n4002 d7 1n4002 c9 2200/25 d8 1n4002 c7 223 c8 223 c5 223 c6 223 gnd d1 1n5392 d2 1n5392 d3 1n5392 d4 1n5392 c3 223 c4 223 c1 223 c2 223 ac coad ac input: transformer 230v/50hz white white red red jk01 phones jack c52 1/50 c53 1/50 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 vss ...

  • Page 28

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 fc- tr- tr+ fc+ pd vr ld gnd f c b a d e vcc vc cn18 p=1.0mm 16p 1 2 3 4 5 6 cn17 p=2.0mm 6p dm+ dm- fm- fm+ slt+ slt- r249 91 ohm r244 33k r245 47k r246 47k r247 47k r248 47k r243 33k l9 10uh q202 2sa733 r231 10 ohm c248 100/16 24 23 22 21 20 19 18 17 16 15 14...

  • Page 29

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 fc- tr- tr+ fc+ pd vr ld gnd f c b a d e vcc vc cn18 p=1.0mm 16p 1 2 3 4 5 6 cn17 p=2.0mm 6p dm+ dm- fm- fm+ slt+ slt- r249 91 ohm r244 33k r245 47k r246 47k r247 47k r248 47k r243 33k l9 10uh q202 2sa733 r231 10 ohm c248 100/16 24 23 22 21 20 19 18 17 16 15 14...

  • Page 30

    Xt01 sfu455khz + - battery dc:+3v r02 6k8 c02 100pf c03 100pf c01 47/16 s1 play/pause s2 stop s3 up s4 down q01 2sc945 r01 1.2 ohm ir01 ir333 s19 7 s22 9 s23 0 s24 vol-up s25 vol-dn s26 mute s27 function s17 5 s18 6 s20 8 s14 2 s15 3 s16 4 s13 1 s10 timer s11 sleep s12 display s5 repeat/m-up s6 intr...

  • Page 31: Sr-L50

    Sr-l50 teac corporation 3-7-3, nakacho, musashino-shi, tokyo 180-8550, japan phone:(0422)52-5081 teac america, inc. 7733 telegraph road, montebello, california 90640 phone:(323)726-0303 teac canada ltd. 5939 wallace street, mississauga, ontario l4z 1z8, canada phone:(905)890-8008 teac mexico, s.A. D...