Sony icbu 100 service manual

Page 2

ICB-UiOO

TABLE OF CONTENTS Water Resistant
Section 11$ 123g When the repair is completed and the removed cabinet
is attached, make sure to conduct the following process.
LGENERAL ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 3 Apply Sony grease SOL-505 (7-662-010-04) to the rib

of the rear cabinet assy with a cotton swab.

2. D|SSAEMBLY ....................................... 6
3. ELECTRICAL ADJUSTMENT ............... 7
4.DIAGRAMS

4-1. Block Diagram ............................. 9
4-2. IC Description ~~~~~~~~~~~~~~~~~~~~~~~~ 11
4-3. IC Block Diagrams ~~~~~~~~~~~ 13
4~4. Printed Wiring Boards . 14
4-5. Schematic Diagram ~~~~~~~~~~~~~ 17
4-6 Semiconductor Lead Layouts ~~~~~~~~~~~ 21
5.EXPLODED VIEWS

5-1. Main Section l 22
5-2. Main Section 2 23
5-3. Microphone Section ~~~~~~~~ 24
6. ELECTRICAL PARTS LIST ~~~~~~~~~~~~~~~~~~~~~~ 25

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.

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 conductor
of the circuit board (within 3 times).

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

Special Screw

Special screws cannot be removed with the user so that
they do not remodel this unit. Therefore. use the following
screwdriver to remove the screw.

7_- 721 - 052- 08 : Special screwdriver