Table Of Contents - Sony SLV-495 Service Manual

TABLE OF CONTENTS
SERVICE NOTE
1. HOWTO RETURN THE PINCH
ROLLER, GUIDE ROLLER AND
ELEVATOR CAM TO STOP MODE. ovvss:-s+s+seseseteeseeeeeeees 6
2. HOWTO RETURN A TAPE INTO
CASSETTE HALE -vssesecessecesesssencesesescecssesecsseatsescssepescesencees 6
3. HOW TO REMOVE A CASSETTE
FROM A MACHINE IF A CASSETTE IS LEFT IN A
MACHINE IN TROUBLE -+---+s-+ssessessesesesssesssesereretenecarseeese 6
4. HOWTO REMOVE DRUM
ASSEMBEY «sssss-tosssscscecsosesrcensascesvssssvantiadeabucduaxscten sectsts -6
5. HOWTO REPLACE A ROTARY UPPER DRUM
(SLV-675HF/676HF/675HFPX/685HF/695HF/
L60HFCS/L60HFMX/L60HFPA/X6HFMX/L70HFCS/
LTOHFMX/LTOHFPA) --+--s-s+sesseesesseessessseseeseessssesecsussessesces 7
5-1. HOW TO REMOVE A ROTARY UPPER DRUM -.--+--+++ 7
5-2. HOW TO ATTACH A NEW ROTARY UPPER DRUM ---7
1. GENERAL
Getting Started
Umpacking v--s--sesesseesssescssesssseesneerassecnsescnnssssnsessnssenessnenssnessnes 1-1
Setting up the remote commander --
Hookups sSabian'e celon bese cend sueswoe'sescacecwcdsucs
Selecting a language tees
Setting the clock -++--+:--ss06+
Presetting Cannel S: «nsetesecesenivccesiassactasiatianescassvevennsnssvacedbedaraian
Basic Operationa
Playing a tape Coda des sees evasi cove dcdvatesvas Sos caceobtastousesssnekccccew one udoesdiexs 1-5
Recording TV programs sie
Recording TV programs using the timer -------++++++-+s+e+erereeeeeees 1-7
Additional Operations
Playing/searching at various 5 9) a6 1-7
Recording TV programs using the quick timer
Checking/chaging/canceling timer settings --------+------+++-+s2+ 1-8
Recording stereo and bilingual programs «----+-++-+++s+++s+e+e+s0+0+ 1-8
Adjusting the picture spa Uevactaseesceasesesetessctescadacdecadsadecdsuneacceéeees 1-9
Changing menu Options ----+---++-ssessseseeresesseeesesstecssseesensesneneens 1-9
Editing with another VCR. -++-::--csecsseesccecererecesetevssveveesensessesenee 1-9
General setup information sseacseeescscesensoseseseacseassonses 1-10
Index to parts AN CONELONS «+-----eeeeeeeeeeeeeeeeteeteeereeeeesensnessssseses 1-10
2. DISASSEMBLY
2-1. CASE AND FRONT PANEL ASSEMBLY «+-.-+-+--+++000++ 2-1
2-2. POWER BLOCK orssessssssssssescsscssecssecesececessecssescscneeesnerenses 2-1
2-3. MA-289 BOARD WITH MECHANISM DECK
ASSEMBLY. tssssesvesticenssseeisccesctnaesttbuascctasuevansecessvtetineasecees 22
2-4. MECHANISM DECK ASSEMBLY -oreesseesseesssseessccoseeees 2-3
2-5. CIRCUIT BOARDS LOCATION -+---+--:-e:cssessss ceseerereseee 2-3
3. BLOCK DIAGRAMS
3-1. OVERALL BLOCK DIAGRAM consseesseescestsescessesssessesenee 3-]
3-2. VIDEO BLOCK DIAGRAM crssssesssssessssesesssesseessseseeceeees 3-3
3-3. SERVO, SYSTEM CONTROL BLOCK DIAGRAM -.--- 3-5
3-4. AUDIO BLOCK DIAGRAM - see 3-7
3-5. TUNER BLOCK DIAGRAM steseeteeseseene 3-9
3-6. POWER SUPPLY BLOCK DIAGRAM -----esssesesesesseees 3-11
4. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
4-1. FRAME SCHEMATIC DIAGRAM ssreseescsesscecseeceeeneeees 4-1
* MA-289 (MAIN) PRINTED WIRING BOARD -..-.-.-+ 4-6
¢ MA-289 (REC/PB AMP)
SCHEMATIC DIAGRAM ----- -essssssseeereesseneees 4-8
¢ MA-289 (VIDEO, TUNER, AUDIO),
JK-151(LINE IN 2)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ons-+- cssesseseeee eeees 4-1]
* MA-289 (SERVO, SYSTEM CONTROL),
DS-75 (OPERATON SWITCHES)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM -ov-sssesecessessssterrenee 4-16
* MA-289 (POWER SUPPLY)
SCHEMATIC DIAGRAM crreecsecseeeceeetescerenee 4-21
* POWER BLOCK SR701 (SWITCHING REGULATOR)
PRINTED WIRING BOARD AND
SCHEMATIC DI AGRA DM 60s tcnsssveisesssiccisicsaccassastestinens 4-23
* POWER BLOCK HS-821SF
(SWITCHING REGULATOR)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM eerrsesressersersessecneres 4-25
5. REPAIR PARTS LIST
5-1. EXPLODED VIEWS ------sssscssssssssssssessssscorsestseseneseacanenes 5-1
5-1-1. FRONT PANEL ASSEMBLY AND CASE -rssssssss00000 5-1
5-1-2. CHASSIS ASSEMBLY -s-+-+++-ssssssseeessssseessssensosses woven 5a
5-1-3. MECHANISM DECK ASSEMBLY¢1 ---s+ss+sssssssssssessssens 5-3
5-1-4. MECHANISM DECK ASSEMBLY-2 «+» 5-4
5-1-5. MECHANISM DECK ASSEMBLY-3 «++++s+sssssessssssssssee 5-5
5-1-6. MECHANISM DECK ASSEMBLY-4 -+--+:ssssssssssessessssee 5-6
5-2. ELECTRICAL PARTS LIST. -s-+-+-:essssssssessssseccersestesescnsses 5-7
6. INTERFACE, IC PIN FUNCTION
DESCRIPTION
6-1. SYSTEM CONTROL
- MECHANISM BLOCK INTERFACE
(MA-289 board 1C160) «--s+sssssssssssssessnsesssusessssnesecnsneceeees 6-1
6-2. SYSTEM CONTROL
- SERVO PERIPHERAL CIRCUIT INTERFACE
(MA-289 board 1C160) -ss+sssssssesseseesesesssseessssecssssseessseeeses 6-1
6-3. SYSTEM CONTROL
- SYSTEM CONTROL PERIPHERAL CIRCUIT
INTERFACE (MA-289 board 1C160) «++++-sssssssssseseesessssses 6-2
6-4. SYSTEM CONTROL AND RF MODULATOR
- INPUT SELECTION BLOCK INTERFACE
(MA-289 hoard 10501) :-sscesszesicencsscsssdessicetoserasonsussiacsooe 6-2
6-5. SYSTEM CONTROL
- VIDEO/RP BLOCK INTERFACE
(MA-289 board 1C160) «-r-sssessssssesesseessessessesenecsesseenessnees 6-2
6-6. SYSTEM CONTROL
- AUDIO BLOCK INTERFACE
(MA-289 board 1C160) -s--sssessssssssecsessecsesesseenesssersesesesenes 6-2
6-7. SERVO/SYSTEM CONTROL MICROPROCESSOR
(MA-289 board 1C160) -+-ssssessssssessessesseessesstsssesesssssenseesees 6-3
7. ADJUSTMENTS
7-1 MECHANICAL ADJUSTMENTS cvvssesssssssscessescersseserseee 7-1
7-2. ELECTRICAL ADJUSTMENTS. -vrssssssssessrssesersseteeseseaeee 7-1
2-1. PREPARATION BEFORE ADJUSTMENT -+--+-----+::00++ 7-1
2-1-1. Equipment Required oeecsccensccenccesscesscascoccssacsasancssonsoocccnccees 7-1
2-1-2. Equipment Connection «+----+-+-ssssesrseesessensesseneersseraneeneee 7-1
2-1-3. Input Signal Check ---+----e-ceesseeccessosessessnessseesnessnesssseenesenees 7-1
2-1-4. Alignment Tape can eeeneecenneoenseaesssessneescaneescecereccesscconecsseas ces 7-1
2-1-5. Input/Output Levels and ucenceta oreve 7-2
2-1-6. Adjustment Sequence ------------ resteceeeneneeneenaasesenesnenees 7-2
2-2. POWER SUPPLY CHECK setseneeaeenssensenenceseeeeesaesons 7-2
2-2-1.Output Voltage Check (MA-289 Board) ---+++-++s+s+sss+sssese0 7-2
2-3. SERVO SYSTEM CHECK o-vsesssssssssssssscseseseeceeseseaessassees 7:3
2-3-1.RF Switching Position Adjustment (MA-289 Board) ----- 7-3
2-4. VIDEO SYSTEM CHECKS -vsssssesssssssssececssessessseseseessesens 7-3
2-4-1. X'tal OSC Check (MA-289 Board) -++--s-ssssssesssesssesesneens 4-3
2-4-2. SYNC AGC Check (MA-289 Board) «+sssssssessecssseseseeesss 7-4
2-4-3. White Clip/Dark Clip Check (MA-289 Board) --.
2-4-4. Recording Y Level Check (MA-289 Board) «----++++++s+010++ 7-4
2-4-5. Recording Chroma Level Check (MA-289 Board) -------- 7-4
SA