Samsung Electronics
4-1
4. VCR Alignment and Adjustments
4-1 Reference
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 “SW710 (TEST)” button on Function-Timer PCB to set the adjustment mode.
- If the corresponding adjustment button is pressed, the adjustment is performed automatically.
4-1-1 Location of adjustment button of remote control
Fig. 4-1
STANDBY/ON OPEN/CLOSE
PROG
VOLUME
MUTE
SPEED
MENU
TITLE
CLEAR
ZOOM
AUDIO
FRAME/STEPREC
MARK REPEAT
INDEX MODE
LAST PR
TRK- A TR TRK+
SHUTTLE
SVHS
3D SOUND A.DUB TV/VCR
DVD TV VIEW VCR
X-Point (Tracking Center)
Adjustment ; "5"
Head Switching
Adjustment ; "SPEED"
NVRAM Option Setting
; "MENU"
4-2
Alignment and Adjustments
Samsung Electronics
4-1-2 SW710 (TEST) location for adjustment mode setting
Fig. 4-2 Function-Timer PCB (Top View)
TEST (SW710) BUTTON
Alignment and Adjustments
4-3
Samsung Electronics
Test point : TP01-2 (Audio Output)
TP01-3 (Envelope)
TP01-4 (H’D S/W -Trigger)
TP01-5 (Control Pulse)
Fig. 4-3 Location of Test point (VCR Main PCB-Top View)
AUDIO OUTPUT
CONTROL PULSE
HEAD SWITCHING
ENVELOPE
4-2 Mechanical Adjustment
Note : Refer to the Mechanical Manual “DX-9R (AC68-00001A)” for the adjustment and confirmation of ass’y full
deck.
4-2-1 The number and position of test point
4-2-2 ACE Head position (X-Point) Adjustment
(See the 4-2-1(d) ACE Head Position (X-Point) Adjustment
on page 4-2 of the Mechanical Manual)
1) Playback the alignment tape (Color bar).
2) Press the “SW710 (TEST)” button on F/Timer PCB
to set the adjustment mode. (See Fig. 4-2)
3) Press the “5” button of remote control then
adjustment is operated automatically. (See Fig. 4-1)
4) Connect the CH-1 probe to TP01-3 (Envelope) the
CH-2 probe to TP01-1 (H’D switching pulse) and
then trigger to CH-1.
5) Insert the (-) driver into the X-Point adjustment
hole and adjust it so that envelope waveform is
maximum.
6) Turn the Power off.
4-4
Alignment and Adjustments
Samsung Electronics
4-3 Head Switching Point Adjustment
1) Playback the alignment tape.
2) Press the “SW710 (TEST)” button on Function-Timer PCB to set the adjustment mode. (See Fig. 4-2)
3) Press the “SPEED” button of remote control then adjustment is operated automatically. (See Fig. 4-1)
4-4 NVRAM Option Setting
1) Press the “SW710 (TEST)” button on Function-Timer PCB to set the adjustment mode. (See Fig. 4-2)
2) Press the “MENU” button on the remote control about 5 seconds then option setting is appeared.
(See Fig. 4-4)
3) Select the option number (See table 4-1) of corresponding model with “FF”, “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. 4-4)
5) Press the Display button of remote control again to store the option number.
(“PLEASE WAIT” is displayed for a second as shown Fig. 4-5 and this setting is completed.)
1) NVRAM Option is adjusted at production line basically.
2) In case VCR Main PCB Micom (IC601) and NVRAM (IC605 ; 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.)
<Table 4-1 NVRAM Option Table>
**
OPTION DIODE
**
CNG : SAVE : OK
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
Fig.4-4
**
OPTION DIODE
**
PLEASE WAIT
CNG : SAVE : OK
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
Fig. 4-5
COUNTRY OPTION NUMBER
COMMON 2, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 22, 32, 36, 43, 44, 48, 49, 53, 54, 55
Germany 2, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 22, 24, 29, 32, 36, 43, 44, 49, 53, 54, 55
France 2, 5, 6, 7, 8, 12, 13, 14, 15, 18, 19, 22, 24, 26, 29, 36, 43, 44, 49, 53, 54, 55
Russia 2, 5, 6, 8, 11, 12, 13, 14, 15, 18, 19, 22, 25, 30, 31, 32, 36, 43, 44, 49, 53, 54, 55
U.K 3, 5, 6, 7, 8, 10, 12, 13, 14, 15, 22, 24, 27, 36, 43, 44, 49, 53, 54, 55
Italy 2, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 22, 24, 29, 31, 36, 43, 44, 49, 53, 54, 55
Spain 2, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 22, 24, 31, 36, 43, 44, 49, 53, 54, 55
Switzerland
2, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 19, 22, 24, 26, 29, 31, 32, 36, 43, 44, 49, 53, 54, 55
Austria 2, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 22, 24, 32, 36, 43, 44, 49, 53, 54, 55
Netherland 2, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 22, 24, 29, 30, 32, 36, 43, 44, 49, 53, 54, 55
Denmark 2, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 22, 24, 29, 30, 36, 43, 44, 49, 53, 54, 55
Sweden/Finland
2, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 22, 24, 29, 30, 31, 36, 43, 44, 49, 53, 54, 55
Portugal 2, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 22, 36, 43, 44, 48, 49, 53, 54, 55
Turkey 5, 6, 8, 9, 10, 12, 13, 14, 15, 18, 22, 32, 34, 36, 43, 44, 48, 49, 53, 54, 55
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