Sony TC-WR645S - Page 2

TABLE OF CONTENTS
Section Title Page Section Title Page
Specifications +::sssrrrssseesseeeeeeeeceeeeaeneeesessaeeeeesenaeereeeeaneeees 1 5. DIAGRAMS
Safety Check-Oiitetosseevniers si eredaca teams ecaameadiencnrance e 5-1. Block Diagrams ssc+ereseseesecererseeeeteeeteeeetseeeseaaes 14
SOO CiPeuie Board LOCA Ontario eG re aaa 16
1. GENERAL 5-3. Printed Wiring Boards (Main Section) :+++++++-rr++sreree 18
1-1. Identifying the Parts -++++++tsettrtttteteee te reeeereee eee eee eens 4 5-4, Schematic Diagram (Main Section)::++11++++eseeseseee oe
5-5. Schematic Diagram (Audio Section) «rr+strrrrtrrerereees 28
2. DISASSEMBLY 5-6, Printed Wiring Boards (Dolby (S) Section)-+-++++++++++ 33
921) Bronk Pane] sisavin a vara teeacdlenn eet AA ainteetens 5 5-7. Schematic Diagram (Dolby (S) Section) :+++++-+rsseesee+ 34
FiO Wi ectan air [ew kas genes eaves ane dann reecsinaaeulaueobaioes 5
2-3. Capstan Motor, Reel Motor vrrstretrreerereteeeeeeseeeeeeeees 6 6. EXPLODED VIEWS
2-4, Head, Pinch Rollers:rsssssecrtesteeeeeteeeeeseeneeserenereeeeees 6 G1, Chassis Section nexitess tis teninevs tateediexsorepesareenanias 36
GO Rent Panel S eetion: seaesnss iv ieea esas Geran oens 37
3. ADJUSTMENTS 6-3. Mechanism Section ]errerrrccseceseeeeseseecesesseererereees 38
3-1. Mechanical Adjustments ERO CO OE SC 7 6-4. Mechanism Section 2eererrrrteec ree eeeeetteeeeereerseneeees 39
3-2. Electrical Adjustments «+s++++se+ressseesseseseeneeestnseennes 4
7. ELECTRICAL PARTS LIST --:0cccecccccceeeeeceerceeeneeneees 40
4. EXPLANATION OF IC TERMINALS -----+++-)s sere 11
MODEL IDENTIFICATION
(Specification Label)
SONY:
STEREO CASSETTE DECK
US, Canadian model
UK model
Australian model
AEP, German model
E model
MODEL NO. TC-WR645S
: AC 120V 60Hz
: AC 240V 50Hz
: AC 240V~50/60Hz
: AC 220-230V~50/60Hz
:AC120,
220, 240V~50/60Hz