Samsung 8770C, Service Manual

Page: 10 / 54

2-6
Samsung Electronics
Alignment and Adjustment
2-3 Head Switching Point Adjustment
1) Playback the alignment tape.
2) Intermittently short-circuit the two test points on Main PCB to set the adjustment mode.
(See Fig. 2-2, 2-3 and 2-4)
3) Press the “REC.SPEED” button of remote control then adjustment is operated automatically. (See Fig. 2-1)
4) Turn the Power off.
2-4 NVRAM Option Setting
1) Intermittently short-circuit the two test points on Main PCB to set the adjustment mode.
(See Fig. 2-2, 2-3 and 2-4)
2) Press the “MENU” button on the remote control about 5 seconds then option setting display is appeared.
(See Fig. 2-6)
3) Select the option number (See Table 2-1) of corresponding model with “FF” and “REW” button on the
remote control.
4) If selecting the option number is completed, press the “STOP” button of remote control.
(If “STOP” button is pressed, the selected number is changes reversed color. ; See Fig. 2-6)
5) Press the “MENU” button of remote control again to store the option number.
(“save” is displayed for a second as shown Fig. 2-7 and this setting is completed.)
6) Turn the Power off.
1) NVRAM Option is adjusted at production line basically.
2) In case Micom (IC601) and NVRAM (IC603 ; EEPROM) is replaced, be sure to set the corresponding option number of the repaired
model. (If the option is not set, the unit is not operated.)
MOVE :
SAVE : MENU
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
Fig. 2-6
MOVE : save
SAVE : MENU
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
Fig. 2-7
MODELS OPTION NUMBER
VR9070 2, 5, 6, 7, 9, 13, 15, 18, 32, 34, 35, 39
VR9060 2, 5, 6, 7, 13, 18, 32, 34, 39
VR8070 2, 6, 7, 8, 18, 25, 34, 39
VR8060 2, 6, 7, 18, 29, 34, 39
VR5070 6, 7, 8, 18, 25, 34, 39
VR5060 6, 7, 18, 29, 34, 39
VR3060 1, 6, 7, 18, 29, 34
VR9800C 2, 5, 6, 7, 9, 13, 15, 24, 32, 33, 34, 35, 39
VR9770C 2, 5, 6, 7, 13, 18, 32, 34, 39
VR8800C 2, 5, 6, 7, 18, 25, 33, 34, 39
VR8770C 2, 6, 7, 8, 18, 29, 34, 39
VR8660C 2, 6, 7, 18, 30, 34, 39
VR8441C 2, 6, 7, 12, 18, 30,39
VR8440C 2, 6, 7, 12, 18, 30, 39
VR5770C 6, 7, 8, 18, 29, 34, 39
VR5660C 6, 7, 18, 30, 34, 39
VR5441C 6, 7, 12, 18, 30, 39
VR5440C 6, 7, 12, 18, 30, 39
VR3660C 1, 6, 7, 18, 30, 34
VR3441C 1, 6, 7, 12, 18, 30
VR3440C 1, 6, 7, 12, 18, 30
<Table 2-1>