Samsung LN32D550K1FXZA Schematic

LN32D550K1FXZA

MAIN

Include Board Assy names (as appearing in parts) and any

PCB

Insert Photo of TV Board Layout

special labels/items (i.e. Plasma voltage label)

LVD S

CABLE

SPEAKER

Fast Track Troubleshooting Manual Rev - 1/11/12

POWER

T-CON PCB

(under shield)

PCB

SPEAKER

HELP : 1-888-751-4086; 1-866-894-0637 (FE)

GSPN

http://gspn3.samsungcsportal.com

PLUS ONE

http://my.plus1solutions.net/clientPortals/sa
msung

HOT TIPS

Power On Problems: (see page 2)
Video Problems: (see pages 3,4)
GSPN TIPS:
No Tips listed

DRIVER
BOARD

SERVICE BULLETINS

2 011 LCD Option Byte Table
ASC20110624001.pdf

FIRMWARE

No current changes as of

12/29/11

Be sure to check for latest SW

updates.

PARTS (Board Assemblies)

Be sure to check for latest
parts updates.

1

Fast Track Troubleshooting Manual LN32D550K1FXZA

Wiring Diagram

Include Connector Numbers , References, and

Locations.

SW-P

Power On Sequence (approximate Voltages)

)

1. Standby Voltages: CN201-4 (5V)

2. Power On CN201- 2(0 – 3.5V )

3. Low Voltage Supplies On CN201-1,3,7,9,

11, 13 (Volts Listed on CN201)

4. Back Light On CN201- 10(0-5V delayed)

5. Back Light Confirm CNI802- “0VP”

(approx 03 Volts Dim - .1 Volts bright)

6. Dimming Signal CN201-14 (1V–4V

approx)

To Force Backlight On
without Main Board :

1. Remove Power Cord

2. Remove CN 801

3. Plug Power Cord In.

4. Backlight should be
on immediately.

2