Disassembly; 1-1. Upper Case Removal; 1-3. A And Sc2 Board Removal; 1-2. Hb Board Removal - Sony SAT-A55P Service Manual

1-1. UPPER CASE REMOVAL

1-2. HB BOARD REMOVAL

Front Panel
Two Screws
(BVTT 3 x 6)
Control
Button
Four Claws
HB Board
Use the following procedure to run the service test:
1. Turn the power ON.
2. Enter the Service Test Screen by simultaneously pressing the MENU button and the DOWN ARROW button on the front panel of the unit.
3. Select the TEST button on the Service Test Screen. The test will diagnose and identify the following:
• IRD
• DEMOD TYPE
• demod signal
• AV7100
• RAM TEST
• ROM
• TELCO
• VERIFIER, CAM
• ACCESS CARD
• CHECKSUM
• EEPROM
4. To reset the unit, simultaneously press the GUIDE button and the DOWN ARROW button on the fron panel of the unit.
SECTION 1: DISASSEMBLY
Upper Case
Three Screws
(BVTT 3 x 8)
Power Button
SECTION 2: SERVICE TEST

1-3. A AND SC2 BOARD REMOVAL

One Screw
(BVTT 3 x 6)
Six Screws
(BVTT 3 x 6)
One Screw
(BVTT 3 x 6)
— 6 —
SAT-A55P/B55P
SC2 Board
A Board
Washer
Hexagon Nut
One Screw
(BVTT 3 x 6)
Two Screws
(BVTT 3 x 6)
Two Screws
(BVTT 3 x 8)
Two Hexagon
Screws