LG 60PK550-SA (CHASSIS:PB01A) Service Manual ▷ View online
ATSC Group Brazil Team
Great Company Great People
Last updated 2009.11.14
Brazil BBTV Training manual
Brazil BBTV Training manual
Contents
- Block Diagram
- System Design
- Trouble Shooting Guide
Customer Oriented R&D
Breakthrough
¾
BCM3556 (Main Chip)
There are no power sequence requirements. Any sequence will be acceptable
All supplies have a minimum ramp up time of 100us. There is no maximum ramp up time restriction
RESET should be held active during ramp up and at least 10ms after all voltages are above 95% of their
specified nominal levels
Power-Up Sequence
either 1.2V, 1.8V, 2.5V, 3.3V
either 1.2V, 1.8V, 2.5V, 3.3V
Reset Input
Min 100us
Min 10ms
1.2V rail at 1.14V
1.8V rail at 1.71V
2.5V rail at 2.375V
3.3V rail at 3.135V
1.8V rail at 1.71V
2.5V rail at 2.375V
3.3V rail at 3.135V
95%
All power rails above
minimum operating voltage
minimum operating voltage
Customer Oriented R&D
Breakthrough
10년 GP2 BR Chassis Power sequence (A2.5V -> D3.3V, D1.8V, D11.2V) :
844ms
)
A2.5V
D3.3V
D1.2V
D1.8V
Customer Oriented R&D
Breakthrough
10년 GP2 BR Chassis SYS_RESET =
43.2ms (OK)
A2.5V
D1.2V
D1.8V
SYS_RESET
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