
PCB Diagram
Samsung Electronics
9-1
9. PCB Diagram
9-1 System Board
SJ20
MJ10
MJ20
MJ30
MJ40
DJ10
VJ10
9-1-1 Assy System Board
■
The System Board that Controls Various Signals for Video Signal Processing and Product Operations
9-1-2 Names & Roles of Key Parts
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MJ30 : This is a 28 pin port connected to the Deflection Board and receives 33V, 15V, 9V, 5V and 3.3V power, and sends CRT
control signals.
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MJ40 : This is a 24 pin port connected to the Power Board and is supplied with ST-BY, 16V and 7.5V powers by the Power
Board. It receives the S-Mute signal to prevent a Sound Pop-Noise, which is generated when turning the Master Power
off, and sends signals for Relay, Power and 1080i to the Power Board.
*
DJ10 : This is a 12 pin port connected to the CRT Ass'y, and outputs final R/G/B signals to the CRT Ass'y.
In addition, it outputs the Tilt, VM, and Power signals for the CRT Drive.
*
MJ20 : This is a 6 pin port connected to the Master Ass'y, and receives Master Power On/Off, and IR signals.
*
MJ10 : This is a 4 pin port connected to the Control Ass'y, and receives TV/Video, Menu, Ch Up/Down and Vol -/+ signals.
*
VJ10 : This is a 10 pin port connected to the Side AV, and receives S-Video2 and AV4 external inputs.
*
SJ20 : This is a 4 pin port connected to the Speaker, and sends the signal from the AMP to the speakers.
Содержание WS32Z30HEAXBWT
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Страница 100: ...Troubleshooting 6 10 Samsung Electronics 2 When there is no RF signal output RF Block Check ...
Страница 101: ...Troubleshooting Samsung Electronics 6 11 3 When there is no Video signal output Video Block Check ...
Страница 102: ...Troubleshooting 6 12 Samsung Electronics 4 When there is no DTV signal output DTV Block Check ...
Страница 103: ...Troubleshooting Samsung Electronics 6 13 6 4 3 No Sound 1 When the Power Board is normal ...
Страница 104: ...Troubleshooting 6 14 Samsung Electronics 6 4 4 No Raster 1 When the Power Board is normal ...
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Страница 117: ...Block Diagram Samsung Electronics 7 5 7 3 Power current block diagram ...
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Страница 120: ...Wiring Diagram 8 2 Samsung Electronics 8 2 Pin Connection ...
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Страница 132: ...Schematic Diagram 10 2 Samsung Electronics 10 2 CONTROL This Document can not be used without Samsung s authorization ...
Страница 133: ...Samsung Electronics Schematic Diagram 10 3 10 3 CRT This Document can not be used without Samsung s authorization ...
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Страница 157: ...Circuit Description Samsung Electronics 13 3 ⓑ Comparison before and after of N S signal correction ...