Genius TVB-S201 PRO User's Manual
Contents
1. Service Manual TVB 5201 PRO Ku TVB S201 PRO Service Manual Table of Contents BE S 0 PR ss no so N nn N 0 Chapters INTRODUCTION E 2 A EE 2 bi SEENEN 2 bz b a fe MAA O 2 Gh pter2 Testno EE ee ee ee 3 a Testine Elei 3 DAEM E VOET N licia 5 Gs Check RESZ A EE 6 6 heck EE Ab i ear no d ais kn nai nsskk s 7 ee Check REGS Pin ET 8 E REGA PN Maa 9 pt heck x2 2 Pim ZE TAL Ss da A kai s 10 fi Check X2 Pin US P11 62 01 PNd4 OSC Signal i aio aaa 11 Check YOLA TAL SM AA ak 12 CHECK UICN SAA A iii naga ni 13 kit Beck ULRAM CLK SIS na E 14 Chapter Troubleshootine Guide sie a a Ea ek 15 Chapter4 Remoyal and Replacement a a 16 Chapters Parts EE 17 Chapiero Solbiate 17 Version 1 0 Page 1 Service Manual Chapter 1 INTRODUCTION a Hardware PC586 above Connection port VGA b Software Win98 above c Block Diagram TV Silicon Tuner S Video Video PIP select Module SAA 7135 processor STV 108A l A PIP Composite amp l Selector Audio Line in 5 Audio Switch MCU OSD Audio Amplifie i SM 602 PC audio line in Audio out Button input Version 1 0 Page 2 Service Manual Chapter 2 Testing Procedures a Testing flow chart H START ii REPLACE ADAPTER Check REG2 Pin2 3 3V Check REGS Pin2 2 5V Check REG3 Pin2 3 3V Check REG4 Pin2 1 8V Version 1 0 Page 3 Service Manual Check2. E T pee ee Siete elt all MIN Att AAA TIT geg PILFIEFIR ALA i m e i i i hi y j KR l il em y i EE d i k ST i n bali dita f j n Es L l RI HE OI A l i i 4 OH En V al n Rp i i PE i 1 j a 4 Pe Hie E s A il ali mas TUN Version 1 0 a Page 11 i Check Y301 X TAL Signal Service Manual Tek Stop Ch2 RMS 29 6mY Ch2 Freq 16 01MHz2 6Jan 2004 Ch2 Period 62 4605 10 46 27 2 pr eem e s d 4 a a de amp SE m g g ra g a gf l baite ib me ec 0 00000 s PA ER Page 12 Version 1 0 Service Manual j Check U1 CLK_SAA Signal Tek Stop luere JA 40 0mV 10 20 0mv Ch2 Freq 27 31MH2 Low signal amplitude ch2 Period ji i 36 62ns A A EEN du es Lil ul culi cli ij Low signal STE E EELER egen Snide 7 Ch2 RMS eee ee eee eee eee ee ee ee T S 1 72 V 6 Jan 2004 TEN i AM E ful i ul il bi HO EA E E E gei F 7 4 si I Al ii AO T TET dui i rem 4 d ATT LI T LI Hel ILS n Mu EMMA E LA se EEE See RR Rao ZU Oe i elt all MIN UI Ze porros rere Rage Een did Version 1 0 x Page 13 robe lei HA a SL aL La ee L Service Manual SUI a UHI k Check UI RAM CLK Signal JA 40 0mV 10 20 0mv Ch2 Freq 134 8MHz2 Low signal amplitude Ch2 Period 7 419ns ili rs TTT il rr CT su Low signal amplitude
3. S ETT TTE TE 341 Cha 1 00 V RG ENA A GI F 3 02 Y 6 Jan 2004 10 22 34 ji i f a VW D a Version 1 0 Page 8 Service Manual f Check REG4 Pin 2 Signal Tek Stop MMK U K KI INK KI a emm TA 40 0mv 0 20 0mV Ch2 Freq crossing Ch2 Period sis No ref crossing i j Ch2 RMS A z SCC ES 1 92 V Se 1 00 Y RG ENA A GI F 3 02 Y 0 00000 s 6 Jan 2004 10 30 37 e ual He i T Li Kli VU au OLA LI A Sg Re E Er RIR Ki mia 2 Version 1 0 Page 9 Service Manual g Check X1 U22 Pin 26 X TAL Signal pj O A e a rus JA 40 0mV 10 20 0mv Ch2 Freq 4 12 00MHz Ch2 Period 83 3dns i j Ch2 RMS A S 1 83 V Se 1 00 V MIEN Ons A GIE F 1 88V 0 00000 10 37 35 mn T EE SC LALA LLL pi F disdire Pe ei ik il 8 PE iL L Cl im ar te e e a E f Version 1 0 Page 10 Service Manual h Check X2 Pin 3 U5 Pin 62 U1 Pin 41 OSC Signal Tek Stop n _ n pp 6 nic 10 20 0mv 4 Ch2 Freq d d di 24 54MHz Low signal amplitude Ch2 Period j 40 75ns A A EEN du es Lil ul culi cli ij Low signal lt a SARAS DAGLI Manas Sale thane renze ranza susan a BI i j Ch2RMS LE ee eee eee eee EE ee ee ee add eb ee eas ee eo ose ea 178 V KR 1 00 Y MIEN Ons A GI F sb Y j bi HO AAA iit CARS RARO fl H SH 4 ATT LI T LI IRIG WR da LR a ae E
4. XI X TAL signal REPLACE X1 U22 Check X2 REPLACE X2 U5 U1 OSC signal Check Y301 REPLACE Y301 U301 X TAL signal Check U1 REPLACE U1 CLK signal END Version 1 0 Page 4 Service Manual b Check VCC 5V Tek Stop E hana S S TE TA 80 0mv 10 40 0mv Ch2 Freq crossing Ch2 Period 8 No ref crossing 7 Ch2 RMS eee ee eee eee eee ee ee ee T S 5 16 Y Cho 2 00 V RG ENA A tha F 40 Y 0 00000 s 6 Jan 2004 09 42 33 dv a D eres Version 1 0 Page 5 Service Manual c Check REG2 Pin 2 Signal Tek Stop id 20 0mY crossing Ch2 Period sis No ref crossing i j Ch2 RMS A Ka a S a e S 3 36 V Ch2 ap 1 00 V MELITA A Gm F 5 42 Y 0 000005 6 jan 2004 09 45 38 Version 1 0 Page 6 Service Manual d Check REGS Pin 2 Signal ee IA 40 0mY 8 20 0mv ie ll ll Cz Freq crossing Ch2 Period li I pic ee i Noref jj in 7 Ch2 RMS eee ee eee eee eee ee ee ee T S 2 57 V a 1 00 V RG ENA A tha F 42 Y 6 Jan 2004 0 00000 5 09 50 23 PAI E PAPI AL AREA i OA l i J 4 a 8 A LR E T LF KT Wf E y SMM Se PR rn S I dia ng Pt Ladd EN A Version 1 0 Page 7 Service Manual e Check REG3 Pin 2 Signal Tek Stop KI l S i TE A mm Mik l 20 0mY Ch2 Freq crossing Ch2 Period sis No ref crossing i j Ch2 RMS S
5. d Replacement Step Description Picture 1 Turn the Device before disassemble device upside down with the ports facing yOu Remove the rubber protectors at the corners and take out the screws 3 Open the Remove bottom cover case Remove the PCB by lifting it PCB from case and pulling it slightly toward me you being careful not to EZ es KU damage the LED light nie sean i I VT VINU Version 1 0 Page 16 Chapter 5 Parts list Description Parts number Description Parts number 102100010800 101900111702 S 102100060200 p Q 101900111707 102100713500 REQ REGB 101900886000 X1 12M Z 201511200000 X 04 5 0NHZ 201522457600 Y301 16M Z 201511600000 SWI SV6 TACT SWTCH 201200300404 Chapter 6 Tools 1 Screwdriver cross 2 Oscilloscope Version 1 0 Page 17
6. i j Ch2 RMS A S 1 76 V Se 1 00 V MIEN Ons A tha F ad Y 0 00000 s wa T GE 2004 li kackt CES dir Get ch ny ANN HE ll AN tt VW VU li eed s d I el 00 El C C m 0 en 0 mo WR mmm 0 Smar H a KI EEN IE pen FS rg i i Fm ui A m k i oh la Ha M Ml KS n a LI D l bi ASE SERDAR Version 1 0 Page 14 Service Manual Chapter 3 Troubleshooting Guide 1 Blank Screen 1 Sound only no picture 1 Parts failure Change all the parts 2 Buttons don t 1 Buttons malfunction Micro SW NG 1 Change Micro SW work err VGA output malfunction 1 Parts failure 1 Change U15 display 4 LED 4 LEDnolit 4 LEDnolit 1 no power no 1 no power 1 LED 1 LED failure 1 1 Change LED 1 Change LED 5 Remote not 1 Remote control 1 failure Change IR1 functions malfunction 6 6 No TV image TV i 6 No TV image 1 1 Display malfunction 1 Display malfunction 1 TDA8275 1 TDA8275 NG 1 1 Change Y301 1 Change Y301 7 Black amp white 1 Only black and white 1 X TAL Deg 1 Change X2 image only color in TV AV SVHS 8 No display in 1 No display inAV SVHS 1 SAA 7135 NG 1 Change U5 AV SVHS modes modes display correctly in TV mode 9 PIP MODE 1 The desktop can not 1 X TAL NG 1 Change X1 maltuncion work in PIP MODE Version 1 0 Page 15 Service Manual Chapter 4 Removal an
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