Text preview for : 03_Alignment & Adjustment.pdf part of Samsung HC-R4755W Part 1 of Samsung HC-R4555W Service Manual (including schematics).



Back to : HC-R4755W.part1.rar | Home

Alignment & Adjustment

2. Alignment & Adjustment
2-1 When entering the service mode:
1. Turn on the TV, and then select "STANDARD" on the picture adjustment mode. 2. Turn off the TV (STAND-BY). 3. Enter the service mode by pressing the remote control keys in the following sequence :

Note : If necessary, re-do steps 1~3. 4. Initial SERVICE MODE DISPLAY State DEFLECTION VIDEO ADJUST 1 VIDEO ADJUST 2 VIDEO ADJUST 3 VIDEO ADJUST 4 VIDEO ADJUST 5 VIDEO ADJUST 6 VERSION INFORMATION OPTION RESET 5. Service Mode Control Keys MENU Direction keys / Direction keys / Full Menu Display / Move to Parent Menu Item Selection by Moving the Cursor Data Increase/Decrease for the Selected Item

Samsung Electronics

2-1

Alignment & Adjustment

2-2 Factory Data
+ DVI connection item is corresponded to DVI application model. (HCR4245W) 1. Deflection No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 V Amp V Shift H EW H Shift V LIN Up_ Lin Low_Low V SC H Par Up_ Cor Low_ Cor H Tra Bow Angle V Position Up UCG Lo UCG CXA Left Blk CXA Right Blk Item Initial Data 31 32 31 34 7 0 0 7 20 31 31 31 31 31 31 0 0 55 15 Var/Fix Var Fix Var Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Range 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 15 0 ~ 15 0 ~ 15 0 ~ 15 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 63 0~ 3 0~ 3 0 ~ 63 0 ~ 63 Adjust Data All Mode 31 32 31 34 7 0 0 7 20 31 31 31 31 31 31 0 0 55 15

2-2

Samsung Electronics

Alignment & Adjustment

2. Video Adjust 1 Adjust Data No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Item RED Cutoff GREEN Cutoff BLUE Cutoff Color On/Off CR Offset CB Offset RED Drive GREEN Drive BLUE Drive Sub Bright Sub Contrast Sub Color Sub Tint CTI Level COL Axis LTI Level LTI Mode System Initial Data 25 25 25 1 32 32 35 35 35 20 8 10 6 1 2 1 1 2 Var/Fix Var Var Var Fix Var Var Var Var Var Var Var Fix Fix Fix Fix Fix Fix Fix Range 0 ~ 63 0 ~ 63 0 ~ 63 0/1 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 15 0 ~ 23 0 ~ 63 0~ 3 0~ 3 0~ 3 0~ 3 0~ 3 DTV/480p/ 720p/1080i 25 25 25 1 32 32 35 35 35 20 8 6 6 1 2 1 1 2 NT(Analog)/VIDEO SVIDEO/480i 25 25 25 1 32 32 35 35 35 20 8 10 / 15 / 15 / 10 6/5/5/5 1 2 1 1 2

Samsung Electronics

2-3

Alignment & Adjustment

3. Video Adjust 2 Adjust Data No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ABL Mode Gamma DPIC Level DC Trans ABL TH VM Level VM Coring VM f0 VM Limit VM Delay SHP CD Gain SHP f0 SHP f1 Gain Pre/Over AKB Timing S ABL P ABL Picture Limit Item Initial Data 3 1 2 2 15 2 0 2 3 0 1 0 3 1 11 3 10 3 Var/Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Range 0~ 3 0~ 3 0~ 3 0~ 3 0 ~ 15 0~ 3 0~ 3 0~ 3 0~ 3 0~ 3 0~ 3 0/1 0~3 0~3 0 ~ 32 0~ 3 0 ~ 15 0~ 3 DTV/480p/ 720p/1080i 3 1 2 2 15 2 0 2 3 0 1 0 3 2 11 0 10 3 NT(Analog)/VIDEO SVIDEO/480i 3 1 2 2 15 2 0 2 3 0 1 0 3 1 11 0 10 3

2-4

Samsung Electronics

Alignment & Adjustment

4. Video Adjust 3 No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 H Comp V Comp Pin Comp AFC Comp CG HAO CG VAO BKG Level CM THRESHOLD CM Det Time Pixel_shift_Time H_Peaking PFS LPF 2 PKCOR CKILL AFT On/Off Melody Volume Item Initial Data 12 8 0 0 5 5 25 42 0 60 2 2 1 0 2 1 10 Var/Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Range 0 ~ 15 0 ~ 15 0~ 7 0~ 7 0 ~ 20 0 ~ 20 0 ~ 63 20 ~ 80 0.5sec/1step 0/5/30/60 0~ 7 0~ 3 0~ 3 0 /1 0 ~ 15 0/1 0 ~ 20 Adjust Data All Mode 12 8 0 0 5 5 25 42 0 60 2 2 1 0 8(2) 1 10

5. Video Adjust 4 Adjust Data No 1 2 3 4 5 6 7 8 9 10 11 12 13 Item YC RF Delay YC AV Delay Chroma Band RF Chroma Band Video Chroma Band SVideo IF Comp IF Comp Video IF Comp SVideo 9883 RED CUTOFF 9883 GREEN CUTOFF 9883 BLUE CUTOFF 9883 Phase 9883 Sync Level Initial Data 1 5 0 0 1 2 4 4 128 128 128 88 50 Var/Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Range 0~31 0~31 0 ~ 63 0 ~ 63 0 ~ 63 0~4 0~4 0~4 0 ~ 255 0 ~ 255 0 ~ 255 0 ~ 255 0 ~ 255 123 105 123 88 50 480p other 720p 1080i (Component) (Component) 1 5 0 0 1 2 4 4 122 105 124 176 32 122 99 124 176 32

Samsung Electronics

2-5

Alignment & Adjustment

6. Video Adjust 5 No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Item BASE LEVEL RFDB1_H_PEAKING RFDB1_LPF2 RFDB1_PKCOR RFDB1_SHARPNESS RFDB2_H_PEAKING RFDB2_LPF2 RFDB2_PKCOR RFDB2_SHARPNESS RFDB3_H_PEAKING RFDB3_LPF2 RFDB3_PKCOR RFDB3_SHARPNESS RFDB1_VALUE RFDB2_VALUE RFDB3_VALUE Initial Data Read 0 1 0 75 0 1 1 50 0 2 1 20 112 200 500 Var/Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix 0 1 0 75 0 1 1 50 0 2 1 20 112 200 500 Range Adjust Data NT(Analog)

2-6

Samsung Electronics

Alignment & Adjustment

7. Video Adjust 6 Adjust Data No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ALPHAL ALPHAU CE_CUTOFF CE_UPPER CE GainMax L CE GainMax U GAIN1X GAIN1Y GAIN2X GAIN2Y GAIN3X CORING_ON CORING_TH1 CORING_TH2 CORING_TH3 SD3_K Skin_X Skin_Y SCALE_R SCALE_ALPHA Gamma On Dither Mode NDON NEOnDE NEOnCE RTH2 Sub_Contrast Sub_Brightness Item Initial Data 128 128 32 220 160 160 16 8 8 4 1 1 2 1 1 8 24 29 75 140 0 0 1 1 1 10 128 0 Var/Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Fix Range 0 ~ 255 0 ~ 255 0 ~ 255 0 ~ 255 0 ~ 255 0 ~ 255 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 63 0 ~ 63 0~1 0~7 0~7 0~7 0 ~ 255 0 ~ 63 0 ~ 63 0 ~ 255 0 ~ 255 0~7 0~7 0~1 0~1 0~1 0 ~ 15 0 ~ 255 0 ~ 255 DTV/480p/ 720p/1080i 128 128 32 220 160 160 16 8 8 4 1 1 2 1 1 8 24 29 75 140 0 0 1 1 1 10 128 0 NT(Analog)/VIDEO SVIDEO/480i 128 128 32 220 160 160 16 8 8 4 1 1 2 1 1 8 24 29 75 140 0 0 1 1 1 10 128 0

Samsung Electronics

2-7

Alignment & Adjustment

8. Option No 1 2 3 4 5 6 Item Anynet Enable DNIe Panel Key LNA DVI V-CHIP Initial Data On Off Enter On Off USA Var/Fix Var Var Var Var Var Var Range On/Off On/OFF/Demo Enter/Mute On/Off On/Off Off/USA/USA+C Adjust Data Korea On Demo Enter On Off Off America On Off Enter Off On USA

2-8

Samsung Electronics

Alignment & Adjustment

2-3 Screen Change (When adjusting I2C Bus Geometric items)
1 V SHIFT 6 V SIZE

2

V LINEARITY

7

V - S - CORRECTION

3

H SIZE

8

PIN PHASE

4

PIN AMP

9

H SHIFT

5

V ANGLE

10

V BOW

Samsung Electronics

2-9

Alignment & Adjustment

2-4 Other Adjustments
2-4-1 Screen Adjustment
1. Warm up the TV for at least 30 minutes. 2. Select the "STANDARD" Video Mode. 3. Turn to the Video Mode (No Signal) using a remote-control. 4. Connect an oscilloscope to RK,GK,BK. 5. Adjust the VR Screen (in the Focus Pack) to have 20VP-P for the RK, GK and BK pulse. (Turn the R, G and B VR screen fully counterclockwise at each flyback line.) Voltage adjustment connt be done using a normal multi-tester. For adjustment, use an oscilloscope. The voltage shown by the tester is false data because the AC peak to peak voltage is adjusted under DC conditions.

2-4-2 White Balance Adjustment
1. Select the "STANDARD" Video Mode. 2. Input 100% white pattern. 3. In the stand-by mode, press the remote-control keys in the following sequence:

4. Warm up the TV for at least 30 minutes. 5. Input a 10-step signal. 6. R-cut off, B-cut off, and G-cut off by pressing the keys.

7. Adjust the low light with viewing the dark side of the screen. 8. Select R-drive, G-drive, and B-drive by pressing the keys.

9. Adjust the high light with viewing the light side of the screen. 10. If necessary, redo screen adjustments and 6~9. 11. Press the Add key to exit.

2-10

Samsung Electronics

Alignment & Adjustment

2-4-3 Sub-Brightness Adjustment
1. Input a sub-brightness adjustment signal. (TOSHIBA PATTERN) 2. In the stand-by mode, press the remote-control keys in the following sequence :

3. Select SBT by pressing the

keys.

4. Adjust so that the 63 step on the right side of the screen is not seen (Use the keys). 5. Press the Menu key to exit.

2-4-4 Static Focus Adjustment
Precaution 1. Select the "STANDARD" video mode. 2. Input a crosshatch pattern. 3. Cover the lenses that are not being adjusted. 4. Connect a convergence jig and read data. 5. Adjust the lens for best focus. (See Fig, 2-1)
Examine these points together

Fig. 2-1 Crosshatch Pattern.

Static Focus (continued) Vary the focus pack VR (Red, Blue) on the front cabinet. Adjust the TV for best possible focus around the center of the crosshatch pattern, without losing overall screen balance. Figure Crosshatch Pattern Examine these points together.

2-4-5 Lens Focus Adjustment
1. Preparation Set the Screen to "STANDARD". (Contrast : 100 / Brightness : 50) Set the pattern to Crosshatch. Adjust the electric focus before beginning. Adjust the DY tilt (TILT) before beginning. 2. How to Adjust (Green Lens Adjustment) Loosen the lens screw for easier adjustment. Press Mute, 1, 8 and 3, sequentially to enter Convergence Mode. Display only the Green pattern by using the +100, 0, and Previous Channel Keys in order to turn the R, G, and B patterns On/Off respectively. Turn the Green Lens clockwise/Counterclockwise to adjust for optimum status. Red Chromatic Number Blue Chromatic Number P (Repeat if unsuccessful, varying the VR of the front Focus Pack.) L1 L2 Perform steps 1~3 for the R and B Lenses. 3. Note Green determines picture quality; pay close attention for exact adjustment.
_ L1, L2 < P

Fig. 2-2 Color Aberration

Samsung Electronics

2-11

Alignment & Adjustment

2-5 Beam Alignment Adjustments
1. Select the "STANDARD" Video Mode. 2. Warm up the set at least for 10 minutes. 3. Enter the Convergence mode by pressing the remote control buttons in the following sequence.
MUTE

4. Set the Beam Alignment Adjustment CY to Zero magnetic field area.

(Creation of CPM Zero Magnet)

(Creation of the 2-pole/4-pole zero magnets)

5. Press the 7- digit button for a while, on the remote control, and a vibrating dot-pattern appears. 6. Adjust the Focus-pack VR for defocusing.
G-FOCUS G-FOCUS CORE CORE

7. Mute the other patterns (R/B) other than G-PATTERN. (Use "+100" / "PRE-CH" Key on the remote control.) 8. Adjust the 2, 4 polarities of VM-COIL as shown in figure below. 9. Adjust the G-Focus until any light around the core disappears. 10. Adjust G-Focus so that the surrounding flash can disappear from the spot.
G-FOCUS CORE G-FOCUS G-FOCUS CORE CORE

Varying the 2-pole of (Varying G-Focus Pack) G-FOCUS CORE (Positioning the Core in the Center)

Varying the 4-pole of VM (When VM 2-Pole Adjustment is completed) (Adjust until the light around the core becomes a c

11. After G-Focus adjustments are complete, adjust R-Focus as above procedures. 12. The B-CRT adjustments can be omitted because the variance of beam focus is small. (Only Vm-coil is mounted.) 13. Adjust the Focus-pack VR for fine focusing. 14. Press the 7- digit button for a while, on the remote control, and the mode changes to the Convergence Adjustment mode. 15. Press the "S.MODE" Key on the remote control to return to normal viewing.

2-12

Samsung Electronics

Alignment & Adjustment

2-6 Convergence-Jig
2-6-1 4245W RF Mode
Screen Size : X 925, Y 523 (X: 378 =9*2 + 30*12 , Y:440=28* 2+64* 6) 22.02mm 73.41mm 22.02mm

33.28mm

76.07mm

33.28mm

2-6-2 4245W DTV Mode
Screen Size : X 925, Y 523 (X: 396 =12*2 + 31* 12, Y : 488= 40* 2+68* 6) 28.03mm 72.41mm 28.03mm

42.87mm

72.88mm

42.87mm

Samsung Electronics

2-13

Alignment & Adjustment

2-7 Remote Control Key Functions in Convergence Mode

Recalls the previous data before convergence adjustment (Initializes) Sets Convergence Data to 0 Normal/Line Shif Adjustment Pattern Select Button (Red) Red Convergence Pattern ON/OFF

Recovers previous data settings during Convergence Adjustment or recalls the last memorized data Data Initialize key for each screen size Adjustment Pattern Select Button (Green) Adjustment Pattern Select Button (Blue) Blue Convergence Pattern ON/OFF Green Convergence Pattern ON/OFF

*Moves the Cursor (Backwards: Right or Down) Convergence Adjust Button (Left/Right) (Up/Down) Toggles between the Convergence Adjustment screen and the RF screen

*Moves the Cursor (: Left, Right or Up, Down)

Save data after completing Convergence Adjustment *Moves the Cursor (Backwards: Left or Up) Moves the Convergence Pattern to the right Automatic Convergence Adjustment after completing Convergence Adjustments (Automatic Color Adjustment to compensate for the earth s magnetic field.)

Exit the Convergence Mode and switch to RF mode Moves the Convergence Pattern to the left

2-14

Samsung Electronics

Alignment & Adjustment

2-8 Pin Assign
2-8-1 Micom Block
Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Pin Assign WP SCL-E2PROM SDA-E2PROM BUS-STOP SDA-MICOM SCL-MICOM N.C N.C VDD 2.5V GND VDD 3.3V CAPTION-CVBS VDDA 2.5V GND N.C N.C KEY2 KEY1 HSYNC VSYNC KEY3 5V-INT PROTECT IR STB-LED TIMER-LED Pin # 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 Pin Assign POWER MICOM-D6 MICOM-D5 MICOM-D4 MICOM-D3 MICOM-D2 MICOM-D1 MICOM-D0 VDD 3.3V GND VDD 2.5V N.C N.C N.C N.C VDDA 2.5V GND XTAL-OUT XTAL-IN RESET N.C N.C VDD 3.3V GND MICOM-INT CPU-nRESET

Samsung Electronics

2-15

Alignment & Adjustment

2-8-2 Convergence Module
CN01 PIN NAME N.C GND Dynamic-Fcous GND D2(SCL) D1 GND C-SYNC R G B D3(SDA) N.C IR F-BLK GND PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PIN 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 PIN NAME GND 5V -5V N.C GND V-BLK H-BLK GND RH RV GH GV BH BV GND GND PIN 1 2 3 4 5 6 7 8 9 10 11 12 CN02 PIN NAME GND 5V UP GND 5V Right GND 5V Left GND 5V Down

2-16

Samsung Electronics

Alignment & Adjustment

2-8-3 DTV Module
CN100 Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Pin Assign SDA-CH SCL-CH NC NC NC DVI-ID NC GND TS-DATA7 TS-DATA6 TS-DATA5 TS-DATA4 TS-DATA3 TS-DATA2 TS-DATA1 TS-DATA0 GND DTV-Y DTV-PB DTV-PR GND DTV-HSO DTV-VSO GND Pin # 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Pin Assign AGC-SW BUS-STOP TS-VLD GND TS-SYNC GND TS-CLK GND NC NC AMP-MUTE CPU-nRESET S-RESET NC 12V GND GND STB-5V STB-5V GND GND 3.3V-D 3.3V-D 3.3V-D Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Pin Assign SCL-CG SDA-CG 2RF-SW TU-RST GND AUD-SDATAO GND AUD-SCLK AUD-LRCLK GND NC NC GND COMP1-Y COMP1-PB COMP1-PR GND NC GND NT-SOUND-L NT-SOUND-R VOLT-DET NC NC CN101 Pin # 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Pin Assign SCL-M5 SDA-M5 GND GND COMP2-Y COMP2-PB COMP2-PR GND NC GND MAIN-C GND MAIN-Y/C GND GND DTV-CVBS GND SCL-MICOM SDA-MICOM GND XTAL-ON/OFF GND 5V 5V

Samsung Electronics

2-17

Alignment & Adjustment

2-9 Firmware Upgrading Method using Anynet port

Using Serial cable

Connecting Serial cable to PORT1 or COM1 port of your PC

After upgrading is finished, Turn Off and turn on the TV by using AC-CORD

Firmware upgrade using your Upgrading Tool

Connecting Serial cable to Anynet port of Terminal Board

Activating Function Help in the OSD Menu, and pressing Display key in the remote control. Confirm your final S/W version

2-18

Samsung Electronics