Disassembly and Reassembly
Samsung Electronics
4-19
4-5-1(a) ACE HEAD HEIGHT ADJUSTMENT
1) Run the alignment tape (Color bar) in the playback
mode.
2) Observe surface of the audio head using a dental
mirror.
3) Turn screw (C) clockwise or counterclockwise until
the gap of lower tape edge and the lower edge of
the control head is about 0.25mm.
(Refer to Fig. 4-5-1 and 4-5-2)
Fig. 4-5-1 Location of ACE Head Adjustment Screw
Fig. 4-5-2 ACE Head Height Adjustment
SCREW (A)
TLIT ADJUST
X-POSITION
ADJUSTING SLIT
SCREW (C)
HEIGHT ADJUST
SCREW (D)
X-POSITION LOCKING
SCREW (B)
AZIMUTH ADJUST
0 ~ 0 .25 mm
AUDIO HEAD
VIDEO HEAD
CONTROL HEAD
4-5-1(b) ACE HEAD TILT ADJUSTMENT
1) Playback a blank tape and observe the position of
the tape at the lower flange of tape guide.
2) Confirm that there is no curl or wrinkle at the
lower flange of tape guide as shown in Fig. 4-5-3 (B).
3) If a curl or wrinkle of the tape occurs, slightly turn
the screw (A) tilt adjust on the ACE head ass’y.
4) Reconfirm the ACE head height.
Fig. 4-5-3 Tape Guide Check
4-5-1(c) AUDIO AZIMUTH ADJUSTMENT
1) Load alignment tape (Mono scope) and playback
the NTSC : 7KHz (PAL : 6KHz) signal.
2) Connect channel-1 scope probe to audio output
test point.
3) Adjust screw (B) to achieve maximum audio level.
(See Fig. 4-5-1)
4-5-1(d) ACE HEAD POSITION (X-POINT)
ADJUSTMENT
1) See “2. Alignment and Adjustment” for ACE Head
position (X-Point) adjustment.
(BAD)
WRINKLE
(GOOD)
4-5 Tape Transport System Adjustment
When parts are replaced, perform the required
adjustments by referring to procedures for the tape
transport system. If there are any changes to the tape
path, first run a T-120 tape and make sure excessive
tape wrinkle does not occur at the tape guides.
1) If tape wrinkle is observed at the guide roller S, T,
turn the guide roller S, T until wrinkle disappears.
2) If the tape wrinkle is still observed at the tape
guide, perform the tilt adjustment of the ACE head.
(See “2. Alignment and Adjustment” of the
Service Manual for Test Point Locations.)
4-5-1 ACE Head Assembly Adjustment
Summary of Contents for TW14N63/BWT
Page 7: ...MEMO 2 2 Samsung Electronics ...
Page 9: ...Disassembly and Reassembly 3 2 Samsung Electronics Back Cover Removal ...
Page 74: ...Troubleshooting 6 24 Samsung Electronics MEMO ...
Page 75: ...Exploded Views Parts List Samsung Electronics 7 1 7 Exploded Views Parts List 7 1 14N5 ...
Page 76: ...7 2 MEMO ...
Page 161: ...10 Wiring Diagram 10 1 C15C Wiring Diagram Wiring Diagram Samsung Electronics 10 1 ...
Page 162: ...Wiring Diagram 10 2 Samsung Electronics 10 2 C15C Wiring Diagram ...
Page 163: ...Schematic Diagrams 11 1 Samsung Electronics 11 Schematic Diagrams 11 1 VCR 1 4 ...
Page 165: ...Schematic Diagrams 11 3 Samsung Electronics 11 3 VCR 3 4 TP01 TP02 TP03 TP04 TP05 ...
Page 166: ...Schematic Diagrams 11 4 Samsung Electronics 11 4 VCR POWER BLOCK ...
Page 167: ...Schematic Diagrams 11 5 Samsung Electronics 11 5 TV MAIN 1 4 Power Line Signal Line ...
Page 170: ...Schematic Diagrams 11 8 Samsung Electronics 11 8 TV MAIN 4 4 Power Line Signal Line ...
Page 171: ...Schematic Diagrams 11 9 Samsung Electronics 11 9 TUNER IF NICAM STEREO Power Line Signal Line ...
Page 172: ...Schematic Diagrams 11 10 Samsung Electronics 11 10 2 nd IF STEREO Power Line Signal Line ...
Page 178: ...ELECTRONICS Samsung Electronics Co Ltd OCT 2000 Printed in Korea 3C15C SESA 1441 ...