![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bg1.png)
DLP Training
(Atlantis Chassis)
March 2004
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bg2.png)
Agenda
1. Power Supply
2. Digital Board
3. Analog Board
4. DMD Board
5. Troubleshooting
6. Initialization Process
7. LED Indicators
8. Optical Section
9. Service Hints
10. Parts Information
11. Dimensions
12. Review
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bg3.png)
Power Supply Board
CN803
Pin #
Spec
Used
Pin #
Spec
Pin #
A
Power
-Mute
GND33VBGND5V
-S/W
Supplies DC voltage to the PCB ANALOG
CN802
S14.
5VB
S-
GND
S14.
5VB
S-
GND
12 13109118
5.7
VB
7654321
N.CN.C.Power
GN
D
7654321
CN 803
Spec
Used
GND12VB
B
Supplies DC voltage to the PCB ANALOG
70VBGNDGND12V
CN 802
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bg4.png)
Digital Board
• Microprocessor (Generates turn on signal to power board)
• Monitor LED’s
• All Digital Video Processing
• Sensor / Switch Controls
• OSD / Menu
RS232- Factory Use Only
HDMI- A/V Input
RGB-PC Input
DVI – Digital Visual Interface
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bg5.png)
Digital Board Layout
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bg6.png)
Digital Board Characteristics
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bg7.png)
Analog Board
• Distributes supply voltage from the Power Board to Digital Board
• Transfers Turn-On Command from Digital Board to Power Board.
• Encompasses the majority of the Audio Circuit
• Analog Video Switching / Processing
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bg8.png)
Analog PCB Layout
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bg9.png)
Analog Board Block Diagram
RF SWITCH (LNA) BLOCK
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bga.png)
AV Switching (TEA64XX) Block
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bgb.png)
Audio Delay and HDMI Audio
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bgc.png)
CN 257 Pin Assignment
CN257- Supplies AV Signals to PCB DIGITAL
Pin Name I/O PIN No. I/O Pin Name
Comp1-Y
Comp1-Pb
Comp1-Pr
Comp2-Y
Comp2-Pr
Comp2-Pb
N.C.
N.C.
N.C.
Main-Y/V
Main-C
Sub-Y/V
Sub-C
Caption-CVBS
IR
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
1 2 GND
3 4 GND
5 6 GND
7 8 GND
9 10 GND
11 12 GND
13 14 GND
15 16 GND
17 18 GND
19 20 GND
21 22 GND
23 24 GND
25 26 GND
27 28 GND
29 30 GND
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bgd.png)
CN258 Pin Assignment
CN258- Connects Control Signals between PCB Analog and PCB Digital
Pin Name I/O PIN No. I/O Pin Name
LED1
LED2
LED3 5 6 GND
Key1
Key2 9 10
Reset-D
I2C-ST OP
Power-SW
N.C. 17 18
N.C.
GND
MCLK_AUDIO
S-MUTE
PC-L
PC-R 29 30 DVI-R
↔
→
←
←
←
←
←
←
→
→
→
1 2
3 4
7 8
11 12 GND
13 14
15 16 SCL-Digital
19 20
21 22 I2S-E N -H DMI
23 24 I2S-DATA-HDMI
25 26
27 28
↔
←
↔
←
←
←
←
←
←
SDA-Micom
SCL-Micom
SDA-Analog
SCL-Analog
SDA-Digital
GND
I2S-CLK-HDMI
GND
DVI-L
GND
←
31 32
←
GND
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bge.png)
CN243/CN244 Pin Assignment
CN243 / 244 Receives Power Signals from PCB POWER
Pin Name PIN No. Pin Name
Power-Mute 1 2 S14.5VB
S-GND 3 4 S14.5VB
S-GND 5 6 5.7VB
GND 7 8 12VB
GND 9 10 12VB
GND 11 12 70VB
GND 13 -
Pin Name PIN No. Pin Name
5VA 1 2 GND
33VB 3 4 GND
Power-SW 5 6 N.C.
N.C. 7 -
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CN208 / CN251 Pin Assignment
CN208 Supplies Power Signals to PCB DMD
Pin Name PIN No. Pin Name
5VB 1 2 5VB
GND 3 4 GND
12VB 5 6 12VB
GND 7 8 GND
GND 9 - -
CN251 supplies power to Actuator / Protection Board
Pin Name SUB Detector/Actuator PIN No. SUB Detector/Actuator Pin Name
GND Ground 1 2 Fan-VCC 12VB
GND Ground 3 4 SDA-Memory SDA-M
SCL-M SCL-Memory 5 6 Ground GND
5VA 5VA 7 8 Ground GND
70VB 70VB 9 10 Ground GND
![](/html/b4/b477/b477c78f53a57df02c4b8aa68f43ffc32993d3e31e87f48e95f27700e7298894/bg10.png)
CN223 Pin Assignment
CN223 Receives AV Signals from PCB SIDE-AV
Pin Name Side AV PIN No. Side AV Pin Name
Side-Y SVHS Y (Luma) 1 2 SVHS C (Chroma) Side-C
GND Ground 3 4 Video (CVBS) Side-V
GND Ground 5 6 Side Sound L Side-L
GND Ground 7 8 Side Sound R Side-R
GND Ground 9 10 SVHS Jack Detect Side-SDET
Side-VDET Video Jack Detect 11 -