Velas VDM-MB434TV Service manual

Manual is about: In-Dash AM/FM-RDS/ DVD/VCD/MP3/CD/MPEG4 Receiver 4.3’’ Inch Wide Color Touch Screen TFT Monitor Front Panel USB port and Built-in TV Tuner

Summary of VDM-MB434TV

  • Page 1

    In-dash am/fm-rds/ dvd/vcd/mp3/cd/mpeg4 receiver 4.3’’ inch wide color touch screen tft monitor front panel usb port and built-in tv tuner vdm-mb434tv model -contents- spcification ............................................................................................................ Wiring con...

  • Page 2: Specification

    Specification 1 tft section: monitor screen size: inch wide 4.3 number of pixels: 480x3(rgb)x272 pixels color system: ntsc/pal bluetooth section: bluetooth specification: v1.2 class 2 bluetooth profile supported: headset, handsfree and a2dp & avrcp profiles range of frequency: 2.4ghz spectrum note: ...

  • Page 3: Wiring Connection

    Wiring connection 2 yellow rear camera input rca cable subwoofer grey video out 2 yellow coaxial out brown rch red lch white rear rca output cable (optional) aux(optional) video in yellow rch in red lch in white green white (b+)12v rear camera switch (b-)parking brake radio antenna jack tv converter...

  • Page 4: Exploded View

    Exploded view panel 3.

  • Page 5: Exploded View Parts List

    Exploded view parts list panel 4.

  • Page 6: Exploded View

    Exploded view main section 5.

  • Page 7: Exploded View Parts List

    Exploded view parts list main section 6.

  • Page 8: Exploded View Parts List

    Exploded view parts list (contnued) main section 7.

  • Page 9

    ௚ՎѢঢ়& ௚ՎѢঢ়' Ѣঢ়ᅀ ᄆޯѢঢ়͐ ৤Ճ0& ฾ئ ᄆޯӰܾ ௚Վ৴Ӓ ৤Ճ0& ߈ჱ୶ᄆޯ ᄯ໯ଫ ᅧՎӰܾ5 ڛԻᄆޯ ߈ჱ୶ ڛԻޣ͐ ᅖݯޯ ᅖᅀ৴Ӓ ߈ჱ୶ ߈ჱ୶ᅀ% ৤Ճ776 Їੋᅀ& ᅧՎӰܾ/ ߈ჱӰܾ 3ຬ ݷڛ෈͐ ්ঢ়/ ڛԻᆥӳᅀ ്ࣈ/ ݍᅧ૭ Ѣঢ়ڥӰܾ ЈЇੋᅀ$ ଣӛ Їੋᅀ% ଣӛঢ় ߈ჱ୶ᅀ$ ᅧՎևঢ় Ӱܾ ᅧՎᅀ ௚Վ৴Ӓ ଣӛঢ়ᅀ ৤Ճ77 ᅧՎᄆޯ ݷڛ෈Ѣঢ়ᄆޯ ᅧՎѢঢ় ݷڛ෈Ѣঢ়% ᅧՎЩᅀ ഔئӳଫ ᅧՎඊ ݷڛ෈Ѣঢ়$ ԧଫ ৤Ճ0& ৤Ճ67760[ 3ຬ ৤Ճ77 ഔئڅՇᆶ ئط ࿤ӽഔئ ܡଫ5Đ ݷڛ෈Ѣঢ়& ࿤ӽ͐ ...

  • Page 10: Schematic Diagram

    Schematic diagram main board 1/5 section 9.

  • Page 11: Schematic Diagram

    Schematic diagram main board 2/5 section 10

  • Page 12: Schematic Diagram

    Schematic diagram main board 3/5 section 11.

  • Page 13: Schematic Diagram

    Schematic diagram main board 4/5 section 12.

  • Page 14: Schematic Diagram

    Schematic diagram main board 5/5 section 13.

  • Page 15: Schematic Diagram

    Schematic diagram key board 1/2 section 14.

  • Page 16: Schematic Diagram

    Schematic diagram key board 2/2 section 15.

  • Page 17: Schematic Diagram

    Schematic diagram cd servo board 1/4 section 16 5 5 4 4 3 3 2 2 1 d d c c b b a a urst# urst# v18 vcc avcc dv33 rfv33 gnd dv33 vcc 3.3v v18 avcc mo_vcc rfv33 vcc vcc urst# [2,6] v18 [2] vcc [2,3,4,5,6] avcc [2] gnd [2,3,4,5,6] dv33 [2,3,4,5] rfv33 [2] mt1389hd_hd60_hdmi_v3s1 the original released. M...

  • Page 18: Schematic Diagram

    Schematic diagram cd servo board 2/4 section 17 5 5 4 4 3 3 2 2 1 d d c c b b a a sp+ limit io_18 sl+ sl- sp- foo fmo dmo tro foso dmso trso fmso txd rxd op+ trout ioa io_19 trin tdo trclose tck stby adacvdd dvd_cs v20 opo v1p4 adin ir v1p4 v1p4 pllvdd3 op- v2p8 v18 asdat[0..2] yuv7 dv33 io_[0..19] ...

  • Page 19: Schematic Diagram

    Schematic diagram cd servo board 3/4 section 18 5 5 4 4 3 3 2 1 d d c c b b a a9 a3 ad3 a1 a19 a4 ad6 ad1 a17 a16 a13 a14 ad0 a2 a6 a8 a18 ad7 a7 ad5 a12 a15 a10 ad2 ad4 a11 a5 a0 dq[0..15] ras# ad[0..7] pce# cas# prd# ba[0..1] dcke sda dqm[0..1] ma[0..11] dclk scl pwr# cs# we# dcs# dcas# dras# dwe#...

  • Page 20: Schematic Diagram

    Schematic diagram cd servo board 4/4 section 19 5 5 4 4 3 3 2 1 d d c c b b a yuv3 dvd_cs dvd_dat_in_ir load- load+ dvd_clk dvd_dat_in_ir usbm usbp usb_dp usb_dm dvd_dat_out dvd_cs dvd_clk dvd_dat_in_ir 89_ar rout 89_al lout aspdif a_mute usb_dp rout lout homesw insw close video_out usb_dm open a_mu...

  • Page 21: Schematic Diagram

    20 schematic diagram blue-tooth board 1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a t itle nu m b er revi si o n size a3 d ate : 1-fe b-2008 she et of f il e: c :\do cum e nt s a n d s et ti ngs \e \ 桌面 \s e -b t \31 2- 30 00 0- 7 8 9s .Dd b dr aw n by : spk_ l- 1 spk_ l+ 2 spk_ r- 3 spk_ r+ 4 gnd ...

  • Page 22: Electrical Parts List

    21 electrical parts list main board section ref.No. Description part no. Qty 312-30000-014s 28pin 379-t2230-05 1 q20.25.30.33.43.74. Kec231s ( sot-23 ) 101-00231-00s 6 q6.49.15.16.60.26.23.18.1. Tr 2sa812 smd 101-00812-00s 9 q17.Q51. Tr 2sb1240 101-01240-00s 2 q3.4.5.7.10.11.12.29.31.50.52.53. 6 1.9...

  • Page 23

    22 main board section ref.No. Description part no. Qty c198.199.238.240.239. Cap 0603 100p 25v +/-10% smt 105-03101-63s 5 c65.66.67.68.72.81.13. Cap 0603 105z/50v ±10% smt 105-03105-63s 7 c166.167.172.173 cap 150pf ±5% npo 0603 smt 105-03151-63s 4 c51. Cap 1500pf/50v ±10% 0603 smt 105-03152-63s 1 c2...

  • Page 24

    23 main board section ref.No. Description part no. Qty r30.49.296. Res 4.7 Ω ±5% 0805 smt 107-10047-85s 3 r4.2. Res 0603 10r +/-5% smt 107-10100-63s 2 r260.261.262.263.305.84.233. R59 .63.55.102.92.154.112 res 0603 100 Ω ±5% smt 107-10101-63s 14 r264.247.Q26 res 0805 100 Ω 1/10w ±5% smt 107-10101-85...

  • Page 25

    24 main board section ref.No. Description part no. Qty rr1.146 res 470k Ω ±5% 0603 smt 107-10474-63s 2 r169.195. Res 0603 56r +/-5% smt 107-10560-63s 2 r10.300. Res 0603 560 Ω ±5% smt 107-10561-63s 2 r244.245.290.95.96.288.56.52.69. Res 0603 5.6k +/-5% smt 107-10562-63s 9 r168.11. Res 56k Ω ±5% 0603...

  • Page 26

    25 main board section ref.No. Description part no. Qty res 0603 4.7k ±5% smt 107-10472-63s 1 res 68k Ω ±5% 0603 smt 107-10683-63s 1 0805 600 Ω ± 25% 109-00601-85s 1 sw6.7.8.9. Switch spvg310300 216-00066-01s 4 2pin socket wire 225-00398-02s 1 con2 16pin socket 225-f2340-16s 1 mb to sw pcb 7×1.05 pvc...

  • Page 27

    26 main board section ref.No. Description part no. Qty c24. Cap 0603 102 25v +/-10% smt 105-03102-63s 1 c25.22. Cap 0.1uf/50v 0603 ±10% smt 105-03104-63s 2 c21. Cap 1uf/25v 1206 ±10% smt 105-03105-12s 1 c4.36.27. Cap 0603 105z/50v ±10% smt 105-03105-63s 3 c11.39.30.28.8.37.31.34.23. Chip cap 0603 15...

  • Page 28

    27 key board section ref.No. Description part no. Qty 312-t4305-601s kb 379-t2303-04 1 hc49s 27.000mhz 20pf 30ppm 104-00027-00s 1 cap 0402 104p 25v ±10% smt 105-03104-402s 2 e.Cap(insert) 1uf/50v ( φ 3x5mm) 106-50105-02s 1 czb4015-ol443-s mic 114-43000-00s 1 bl30007 encoder (ec110202i2d-ha1-000) vol...

  • Page 29

    28 key board section ref.No. Description part no. Qty c9. Cap 2.2uf ±10% 0603 smt 105-03225-63s 1 c122.120.126.123.10. Cap 47uf/6.3v 1206 ±10% smt 105-03476-12s 5 c109. 1uf/50v/±10% 1206 105-50105-12s 1 r51.55.54. Res 0603 0 Ω ±5% smt 107-10000-63s 3 l5. Res 0805 0 Ω ±5% smt 107-10000-85s 1 r141. Re...

  • Page 30

    29 servo board section ref.No. Description part no. Qty 312-d8000-670s smt 313-d3940-004s 379-t2080-05 1 q2.3 tr chip 2sk 3018 101-03018-00s 2 q1,27 2n3904 sot23 101-03904-00s 2 q4 5 tr 3ca8550m (sod-23) smt 101-08550-04s 2 d36 35 diode in-4001 (sod-106) m1. 102-04001-01s 2 d2 37 1,13 1206 1n4148 +/...

  • Page 31

    30 servo board section ref.No. Description part no. Qty r216,215,214,217 res 0603 1 Ω ±5% smt 107-10010-63s 4 r19 res 0805 1 Ω 1/10w ±5% smt 107-10010-85s 1 r212 213 res 4.7 Ω ±5% 0603 smt 107-10047-63s 2 r6 res 6.8 Ω ±5% 0603 smt 107-10068-63s 1 r275 277 265 res 0603 100 Ω ±5% smt 107-10101-63s 3 r...

  • Page 32

    31 bluetooth board ref.No. Description part no. Qty u2. Ic f4558 sop(forcing) 103-04558-26s 1 u3. Chip ic xc6204b182mr sto-25 103-06204-18s 1 u5 ic smt xc6204b252mr 103-06204-25s 1 u1 ic smt xc6204b332mr 103-06204-33s 1 u4 bluetooth series {gl-8a} 3.3/1.8v 20x13x2 103-gl08a-33s 1 c24. Cap 0603 102 2...

  • Page 33: Trouble Shooting

    Before going through the check list, check wiring connection. If any of the problems persist after check list has been made, consult your nearest service dealer. Trouble shooting 32 inserting the disc in reverse direction press the reset button. Front panel is not properly fixed into its place the c...