Alignment and Adjustment
Samsung Electronics
5-3
5-2-2 X-Point(Tracking center) adjustment
(See the 2-2-1 (d) AC HEAD
POSITION(X-POINT) ADJUSTMENT
on page 2-3 of the mechanical
manual)
5-2-2 (a) IF THE REMOTE CONTROL ASS’Y IS
NOT AVAILABLE
1. Playback the colorbar alignment tape.
2. Connect CH-1 scope probe to ÒTP02Ó and CH-2
scope probe to ÒTP03Ó. And then, trigger head
switching pulse.
3. Set tracking preset to 11msec (2head : 2.7msec,
4, 6head : 11msec) using the Ò
FINE(Tracking,
TRK)
Ó button / of the other remote control
assÕy except the remote control assÕy jig for X-5/
X-6 chassis and the normal remote control assÕy for
X-7/X-8 chassis.
4. Connect CH-1 scope probe to ÒTP02Ó and the CH-2
to ÒTP03Ó trigger on CH-1.
5. Insert the adjusting driver (+) into X-position
adjusting gear. Adjust the driver in either direction
for maximum envelope waveform.
Note :
Since the adjusting gear unit may be damaged, do
not adjust by force when adjusting the X-point using the
adjusting driver (+). After turn the X-point adjusting screw
(D) counterclockwise a little, perform the adjustment.
After adjustment is completed, tighten the screw.
5-2-2 (b) IF THE REMOTE CONTROL ASS’Y
(AC93-10039Y/69099-633-252) IS
AVAILABLE
Note :
How to use the Ò
TEST
Ó button.
1. Disattach the inlay of remote control assÕy.
(See Fig. 5-1 and Fig. 5-2)
2. Press the ÒTESTÓ button with the pincers and the
precise driver as shown in Fig. 5-1 and 5-2)
1. When using the Ò
INPUT
Ó button of remote
control assÕy;
1) Simultaneously press the Ò
INPUT
Ó button and Ò
1
Ó
button in PB mode.
This will adjust the tracking center automatically.
2) Set the tracking preset using the Ò
FINE
(
Tracking,
TRK
)Ó button of remote control.
3) After adjustment is completed, press the
Ò
POWER
Ó button to release.
2. When using the Ò
TEST
Ó button of remote
control assÕy ;
1) Simultaneously press the Ò
TEST
Ó button and Ò
5
Ó
button in PB mode.
This will adjust the tracking center automatically.
2) Set the tracking preset using the Ò
FINE
(
Tracking
,
TRK
) button of remote control.
3) After adjustment is completed, press the
Ò
POWER
Ó button to release.
<Setting of scope>
- Volt/div. : CH-1 = 0.1V - Time/div. : 5msec
CH-2 = 0.2V
CH-2 Probe
TP02
H’D S/W Pulse
CH-1 Probe
TP03
CTL Pulse
Fig. 5-4 Tracking preset adjustment
REMOTE
BUTTONS
TRACKING
TRACKING
CONTROL PULSE REMOVE
PUSH
PUSH
Fig. 5-5 Tracking preset adjustment
SCREW(C)
TILT ADJUST
X-POSITION
ADJUST GEAR
HOLE
SCREW(A)
HEIGHT ADJUST
SCREW(B)
AZIMUTH ADJUST
SCREW(D)
X-POINT LOCKING
Fig. 5-6 Location of A/C Head adjustment screw
2.7msec(2 head), 11msec(4, 6 head)
Summary of Contents for SV-A20GK
Page 7: ...Reference Information 2 4 Samsung Electronics MEMO ...
Page 17: ...Disassembly and Reassembly 4 8 Samsung Electronics MEMO ...
Page 25: ...Alignment and Adjustment 5 8 Samsung Electronics MEMO ...
Page 35: ...Exploded View and Parts List 6 10 Samsung Electronics MEMO ...
Page 43: ...7 8 Samsung Electronics Electrical Parts List MEMO ...
Page 45: ...Block Diagrams 8 2 Samsung Electronics 8 1 Overall Block Diagram ...
Page 46: ...Block Diagrams Samsung Electronics 8 3 8 2 System Control ...
Page 47: ...Block Diagrams 8 4 Samsung Electronics 8 3 Video ...
Page 48: ...Samsung Electronics 10 1 10 Wiring Diagram ...
Page 51: ...Schematic Diagrams Samsung Electronics 11 3 11 1 S M P S POWER OPTION OPTION ...
Page 52: ...Schematic Diagrams 11 4 Samsung Electronics 11 2 System Control Servo ...
Page 53: ...Schematic Diagrams Samsung Electronics 11 5 IC601 HD6433977 RA10F ...
Page 55: ...Schematic Diagrams Samsung Electronics 11 7 IC301 SS11511M IC302 LA7411 IC303 SS23377M ...
Page 57: ...Schematic Diagrams Samsung Electronics 11 9 IC301 SS11511M IC302 LA7416 IC303 SS23377M ...
Page 58: ...Schematic Diagrams 11 10 Samsung Electronics 11 5 IF SYSCON SERVO SMPS POWER ...
Page 59: ...Schematic Diagrams Samsung Electronics 11 11 IC401 TDA9800 ...
Page 60: ...Schematic Diagrams 11 12 Samsung Electronics 11 6 I O ...
Page 61: ...Schematic Diagrams Samsung Electronics 11 13 11 7 VPS ...
Page 64: ...Schematic Diagrams 11 16 Samsung Electronics 11 11 Remote Control ...