Panasonic AG-MD830E Service Manual

REEL SERVO DC-DC CONVERTOR DC-DC CONVERTOR REEL SERVODC-DC CONVERTOR SCHEMATIC DIAGRAM (E4: Page CBA-5)3ABIC2901PIN PLAY RECNo.1 12.8V 12.8Vc 2 2.8V 2.8V3 2.9V 2.9V4 2.9V 2.9V5 17.0V 16.4V6 2.8V 2.8V7 2.9V 2.9V8 2.9V 2.9VD 9 16.5V 15.5V10 1.0V 2.OV11 1.0V 2.OV12 OV OV13 1.5V 1.5V14 2.5V 2.5VE 15 0.5V 0.5V16 1.2V 2.1V17 0.5V 0.5V18 1.2V 2.1V19 OV OV20 OV OVF 21 2.4V 2.4V22 2.3V 2.3V23 2.8V 2.8V24 2.4V 2.4VG IC2902PIN PLAY RECNo.1 OV OV2 4.9V 4.9V3 2.5V 2.5VH 4 OV OV5 2.5V 2.5V6 OV OV7 -- --8 4.9V 4.9VSCM-84 5 6 7 8 9 10 11 12 13 14sss. (3)SSV (>-___________________~-------------~---_+. Q2~r ___~----~r_----------------2S~BI~15~'~ L9~.O~V-rY~~~--~-----~1~4~~~ )CAPVMr---------Ir--~----,=;--------H-----t-~R;;;;2906=--H--:-:----;Q;;;;29O;:;;01-----, 18.5V ~p L3~)' (1)C290327(j>R290 t C290455K 82P2 J6 8 I~ 12 I 16j let2 2224 ~JI I C2901rBA6149LSSOYIR2902101(101( 2.5V IISB709-RTZ ELCl0E014R29072200R2913 ('.J~Hl1I4W) ~g~-------, ~ r-- ~=R2909 R2912 ;;;~~ > ~02901 ~. 02922 ,.,':;\;:-: 101( ID! ~£g} I g T~1lA316HTW WA3110-tfTw-' ~~~ ....'?'..-!..:-(2907 O.2V~ (29080.01 ~ . 00221 B)R~!O I 029170',2~ ~ ~ Q2!!0310! lWAI;'Tj(~TW~lJ; S060IA-TWR291J 1 ~ ~~l~~ ~o ~1L-___________~~07,R2~9~~or---------~~---------------~-------~1~4~>CAPFBIS~2'~9 2tI12,";------'~ , \!RH 140HE85R Q2909C62V910oo1 0, vsi~m-I ,,_-+-____________________________+-_________----"2.:::SB":'77-':c2-f'~O;:.:R_+_ ~~.ofV,~~~~tl---~+===a~~~=3,.- LT I SREELVML------+~:--~_!-~"".iF__r---..¥----4--+_l--<.----------------------, 18.5V ~p L2904 2 M GNDQ2906 2.av 3300 _ 3 T REEL VM101( _ ~ >R291B ~S8709-1?~2 S.OV ELCl0E014 4 M GNDL2!!OI I~ R291 ~O~::: "! ~ _ P2901~OELIOooSTu,OI L-~+----------------------t__+_-------, -I-- 10! 4.9V~;:;~;; ~ ~g ~~o- ~ VJS2149W5.14) "'----------------------+-I--------------------t--+-~---."""029O!l=;2.""'av..t---t-----, R2920 m ~ ~= w~ i"W_IH >-1;-+1~)---------------------------------------~-v",O--H------------------+-, WSB709-RT2"((; lOO! R2923;; :~W_IBY,/ L2902 >\t--. ~ 180011141'(YLQOl2B ~;-N ~ ~~~ ~----t---'(2910,' ,,,'" ~911 0Z9035 HR7ISU) ~~~~ TooD!' 1lA316HTlI:iL-_________________--.-;,,;O~29;.::12'"'"_::=::-;o-""------_+_+-f---------'-'12"_7"'> S REEL FBL-_________________~~~----------------~2S=B~77~2~~0~R~~,~54·5~V--r~~~~___~~~~ ~~ +.... ~02911 ~~&"~ ~~~ > ~ >>2. a) ~o.... C'! .....L290S3300EL(IOtoI4~~ WSB709-1?~2S.OVco ~:...::> cnc:;;:;:::: co ~oL------------------++-t_-----;"""~"*"':.:...--1~~ ~ ~~ ~~ ~ ~~029102 av '" R2S29 '" =-WSB709-RTfi1( lOO! R2932 LI?\t:: 18ooll/4Wl;; ~~~RgV':C~ ~~~~N -'.(2914 D2~ ':;\;:-~!'; ~ Tlooop WA3160-UW Lt....),.. C'>.I IS"1~ Q::_.<::C-L-______~--------------+----------------H_+_-----"-'{2~)>> T REEL FBR29+7 WA~2:i.?vrw 02914 R2S42A_5V>,~16~)-------------~INOO~-.~~--~--~-----------------------------------_~----------+-----------------------=WA~31~6~~T~~,--~~27~0~o_5V >~1~6!....1----------------+.-O-£.v9O>l7'----+--++--------+=-S.-,;1V..--;cOR""21O"'4.--.......--........+-----...,~.-++--, ~1:!:49, D2909 ~RH24()HE8SR ~ '" m I ~1lA701-TW 1lA302D-Tlf _ ~~ qJ~ ~~l~:~; $~~...r ~!I... DV L~~ 8 ~- ~ ~ ~--;;:;VVY R2936 P<'Js 1(2902 B 3 - =.::::~l;; ~~A ~ 330 6 LW393PS-R + ~;;:; ~ 0~ 1 r-:::l''--~>--:'"''< ro~ ~-~ '\ ~m~2 <2934 oV R1952 4 N2~-H:--"""'--f(2918 It. m ~6 ';;',... ID( OV L-2",,201(1v--f--_... 416Vl00 ~1:! tCZ9~~~ I 02913 • • 1i!~ C2926..IIV) ~ l': IIS060I-Rf2 ~~ : .~~;;; 16V33 ~ ~~Pl!llsVT I ~~(2919 R2933A_IZV »,....1~6)_______________________.::.O:..:.0.:...'--:'~OOO~_______________________________________'029142S01275 R2941330,( Rrr6 3WA3~~T.t-~v)j-)---;CRf-~71y;~64---'VI ND2913 1lA314Q-jjTlf V) D2916WA316O-t1TW.,REFER TO THE (OWPARISON CHARTRef No.2900 Series.