SAMSUNG DVD-CM350 Service Manual Alignment & Adjustment

Samsung Electronics

2-1

2. Alignment and Adjustments

2-1 VCR Adjustmant

1) X-Point (Tracking center) adjustment, “Head switching adjustment” and “NVRAM option setting” can be adjusted with remote control.

2) When replacing the VCR Main PCB Micom (IC601) and NVRAM (IC605 ; EEPROM) be sure to adjust the “Head switching adjustment” and “NVRAM option setting”.

3) When replacing the cylinder ass’y, be sure to adjust the “X-Point” and “Head switching adjustment”.

4) How to adjustment.

- Press the “SW718 (TEST)” button on Function-Timer PCB to set the adjustment mode.

- If the corresponding adjustment button is pressed, the adjustment is performed automatically.

2-1-1(a) Location of adjustment button of remote control

Fig. 2-1

X-Point (Tracking Center) Adjustment ;

Head Switching Adjustment ;

NVRAM Option Setting ;

2-1-1 Reference

2-2

Alignment and Adjustments

Samsung Electronics

2-1-1(b) TEST location for adjustment mode setting

Fig. 2-2 Function-Timer PCB (Top View)

TEST (SW718) BUTTON

Alignment and Adjustments

2-3

Samsung Electronics

2-1-2 Head Switching Point Adjustment

1) Playback the alignment tape.

2) Press the “SW718(TEST)” button on Function-Timer PCB to set the adjustment mode. (See Fig. 2-2)

3) Press the “1, 0” button of remote control then adjustment is operated automatically. (See Fig. 2-1)

2-1-3 NVRAM Option Setting

1) Press the “SW718(TEST)” button on Function-Timer PCB to set the adjustment mode. (See Fig. 2-2)

Press the “1, 4” button on the remote control then option setting is appeared. (See Fig. 2-3)

Select the option number (See table 2-1) of corresponding model with “ , , , ” button on the

remote control.

4) If selecting the option number is completed, press the “ENTER ” button of remote control. (If “ENTER” button is pressed, the selected number is changes reversed color. ; See Fig. 2-4)

5) Press the “RETURN” button of remote control again to store the option number.

6) Turn the Power off.

1) NVRAM Option is adjusted at production line basically.

2) In case VCR Main PCB Micom (IC601) and NVRAM (IC603 ; EEPROM) is replaced, be sure to set the corresponding option number of the reqaired model. (If the option is not set, the unit is not operated.)

CNG : OK SAVE : RETURN

01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72

Fig. 2-3

PLEASE WAIT

Fig. 2-4

2-4

Alignment and Adjustments

Samsung Electronics

MODELS OPTION NUMBER

DVD-CM350/XEF

2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 20, 21, 23, 26, 29, 32, 33, 34, 35, 36, 40, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/XEU

3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 23, 27, 29, 32, 34, 40, 41, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/XEG

2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 23, 29, 32, 34, 36, 40, 42, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/XET

2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 23, 29, 32, 34, 36, 40, 42, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/XEC

2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 23, 29, 32, 34, 36, 40, 42, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/SED

2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 20, 21, 23, 26, 29, 32, 33, 34, 35, 36, 40, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/XEV

2, 6, 7, 8, 9, 10, 11, 12, 13, 15, 20, 21, 23, 29, 32, 33, 34, 36, 42, 46, 47, 54, 60, 61, 63, 65, 66, 69

DVD-CM350/COM

2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 23, 29, 32, 34, 36, 40, 42, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/XEN

2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 23, 29, 32, 34, 36, 40, 42, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/XENB

2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 23, 29, 32, 34, 36, 40, 42, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/XEP

2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 23, 29, 32, 34, 36, 40, 42, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/XEE

2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 23, 29, 32, 34, 36, 40, 42, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/EUR

2, 4, 6, 7, 8, 9, 10, 11, 12, 13, 15, 20, 23, 29, 32, 33, 34, 36, 42, 46, 47, 60, 61, 63, 65, 66, 69

DVD-CM350/XEO

2, 4, 6, 7, 8, 9, 10, 11, 12, 13, 15, 20, 23, 29, 32, 33, 34, 36, 42, 46, 47, 60, 61, 63, 65, 66, 69

DVD-CM350/FES

2, 4, 6, 7, 8, 9, 10, 11, 12, 13, 15, 20, 23, 29, 32, 34, 36, 42, 46, 47, 60, 61, 63, 65, 66

DVD-CM350/AFR

2, 6, 7, 8, 9, 10, 11, 12, 13, 15, 20, 21, 23, 29, 32, 34, 36, 42, 46, 47, 60, 61, 63, 65, 66

Alignment and Adjustments

2-5

Samsung Electronics

2-2 DVD Adjustment

2-2-1 Location of Test Point

Fig. 2-5 Location of test Point (DVD Main PCB - Top Side)

2-6

Alignment and Adjustments

Samsung Electronics

2-2-2(a) Adjustment Spec. and Test Point

2-2-2 Skew Adjustment

Test Disc Adjustment Spec. Test Point Adjustment Location

TDV-533 “ENV” Ass’y Deck - Bottom Side

Chapter 14 Flat Waveform (DVD Main PCB - Top Side) (See Fig. 2-6)

(See Fig. 2-5)

Fig. 2-6 Ass’y Deck (Bottom Side)

◆ Test Disc ; Service not Available

◆

SKEW (Tangential) : The shift on the Vertical axis of Spindle Motor movement.

◆

SKEW (Radial) : The shift on the Direction of the Spindle Motor movement.

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