Sony cdx 5080 service manual

Page 2

__/-',r

CDX-5080/5081/5082

2) Removing the Flat Package IC

1. Prepare an enameled wire (0.3mm diameter) and

TABLE OF CONTENTS apply it to the back side of the IC pins as illus~
. _ trated below.
Section Page
Specifications ~~~~~ l
Servicing Note ---------------------------- 2 /\
SECTION 1. GENERAL fl
Location of Controls ------------- .. 3 /
SECTION 2. CIRCUIT DESCRIPTION - ~ ~ 4
SECTION 3. MECHANICAL ADJUSTMENTS . -- 6
SECTION 4 ELECTRICAL ADJUSTMENTS """ 6
SECTION 5 DIAGRAMS Solder or fix with adhesive tape.
5-1. Block Diagram ~~~~~~~~~~~~~~~ l1
5-2. Semiconductor Lead Layouts """"""" 15
5-3. Printed Wiring Boards (MD Section)
5-4, Schematic Diagram (MD Section) -
5-5. Circuit Board Location ~~~~~~~~~~~~~ 21
56. Printed Wiring Boards 2. Heat the IC pin with the soldering iron and draw
(MAIN Section) ..................... 22 the enameled wire so that the IC pin is removed
5-7. Schematic Diagram mm Section) 25 mm the Patem nusmm
5-8. 1C Block Diagrams ----------------- 29
5-9 WAVEFORMS .......................... 32
SECTION 6. EXPLODED VIEWS ''''''''' 4 34
SECTION 7. ELECTRICAL PARTS LIST """" 4U

SERVICING NOTE

1) Flexible Circuit Board Repairing

0 Keep the temperature of the soldering iron around
270°C during repairing

0 Do not touch the soldering iron on the same con-
ductor of the circuit board (within 3 times).

0 Be careful not to apply force on the conductor
when soldering or unsolderingi

Notes on chip component replacement

0 Never reuse a disconnected chip component.
0 Notice that the minus side of a tantalum capacitor
may be damaged by heat

SAFETY-RELATED COMPONENT WARNING!~

COMPONENTS IDENTIFIED BY MARK A OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BV SONV.