2-4
Samsung Electronics
Alignment and Adjustment
2-2-3 Check Transitional Operation from
RPS to Play
Check transition from RPS mode to play mode :
Using a pre-recorded SP tape, make sure the entry
side of envelope comes to an appropriate steady state
within 3 seconds (as shown in Fig. 2-9).
If the envelope waveform does not reach specified
peak-to peak amplitude within 3 seconds, adjust as
follows :
1) Make sure there is no gap between the supply
roller lower flange and the tape.
If there is a gap, adjust the supply guide roller
again.
2) Change operation mode from the RPS to the play
mode (again) and make sure the entry side of
envelope rises within 3 second.
ENTRANCE SIDE ENVELOPE
Fig. 2-9 Video Envelope Rising when Operation
mode Changes from RPS to Play Mode
2-2-4 Envelope Check
1) Make recordings on T-120 (E-120) and T-160
(E-180) tape.
Make sure the playback output envelope meets the
specification as shown in Fig. 2-10.
2) Play back a self recorded tape (recording made on
the unit using with T-120 (E-120).
The video envelope should meet the specification
as shown in Fig. 2-10.
In SP mode, (A) should equal (B).
If the head gap is wide, upper cylinder should be
checked.
A
B
Fig. 2-10 Envelope Output and Output Level
2-2-5 Tape Wrinkle Check
1) Run the T-160 (E-180) tape in the playback, FPS,
RPS and Pause modes and observe tape wrinkle at
each guide.
2) If excessive tape wrinkle is observed, perform the
following adjustments in Playback mode :
3
Tape wrinkle at the guide roller S, T section :
Linearity adjustment.
3
Tape wrinkle at tape guide flange :
ACE head assembly coarse adjustment.
2-3 Reel Torque
1) The rotation of the capstan motor causes the
Holder Clutch AssÕy to rotate through the Belt
Pulley.
2) The spring wrap PLAY/REV of holder clutch assÕy
drives the disk reel S, T through gear idle by
rotation of gear center assÕy.
3) Brake is operated by slider cam at FF/REW mode.
4) Transportation of accurate driving force is done by
gears. (Gear Center AssÕy)
Note :
If the spec. does not meet the followings speci-
fications, replace the holder clutch assÕy and then
recheck.
MODE
TORQUE g/cm
GAUGE
PB
NTSC 82.5 ± 27.5
Cassette Torquemeter
PAL 79 ± 27
RPS
145 ± 30
Cassette Torquemeter
<Table 2-1>
Summary of Contents for SV-DVD1EA
Page 8: ...Product Specifications 2 2 Samsung Electronics MEMO ...
Page 40: ...Troubleshooting 5 20 Samsung Electronics MEMO ...
Page 50: ...Exploded View and Parts List 6 10 Samsung Electronics MEMO ...
Page 62: ...7 12 Electrical Parts List Samsung Electronics MEMO ...
Page 63: ...Samsung Electronics 8 1 8 Block Diagram ...
Page 64: ...Block Diagram 8 2 Samsung Electronics MEMO ...
Page 66: ...PCB Diagrams 9 2 Samsung Electronics 9 1 S M P S ...
Page 67: ...PCB Diagrams 9 3 Samsung Electronics 9 2 VCR Main ...
Page 68: ...PCB Diagrams 9 4 Samsung Electronics 9 3 DVD Main COMPONENT SIDE SOLDER SIDE ...
Page 69: ...PCB Diagrams 9 5 Samsung Electronics 9 4 Function Timer 9 5 DVD Deck ...
Page 70: ...PCB Diagrams 9 6 Samsung Electronics MEMO ...
Page 71: ...Samsung Electronics 10 1 10 Wiring Diagram ...
Page 72: ...Wiring Diagram 10 2 Samsung Electronics MEMO ...
Page 75: ...Schematic Diagrams 11 3 Samsung Electronics 11 1 S M P S ...
Page 76: ...Schematic Diagrams 11 4 Samsung Electronics 11 2 Power Drive ...
Page 77: ...11 3 Function Timer Schematic Diagrams 11 5 Samsung Electronics ...
Page 78: ...Schematic Diagrams 11 6 Samsung Electronics 11 4 System Control Servo ...
Page 79: ...Schematic Diagrams 11 7 Samsung Electronics 11 5 A V ...
Page 80: ...Schematic Diagrams 11 8 Samsung Electronics 11 6 TM Blcok ...
Page 81: ...Schematic Diagrams 11 9 Samsung Electronics 11 7 Digital Audio ...
Page 82: ...Schematic Diagrams 11 10 Samsung Electronics 11 8 Hi Fi ...
Page 83: ...Schematic Diagrams 11 11 Samsung Electronics 11 9 OSD ...
Page 84: ...Schematic Diagrams 11 12 Samsung Electronics 11 10 Input Output ...
Page 85: ...Schematic Diagrams 11 13 Samsung Electronics 11 11 A2 NICAM ...
Page 86: ...Schematic Diagrams 11 14 Samsung Electronics 11 12 SECAM OPTION ...
Page 87: ...Schematic Diagrams 11 15 Samsung Electronics KEY OPTION 11 13 DVD Main Micom AV Decoder ...
Page 88: ...Schematic Diagrams 11 16 Samsung Electronics 11 14 Servo ...
Page 89: ...Schematic Diagrams 11 17 Samsung Electronics 11 16 DVD Deck ...
Page 90: ...Schematic Diagrams 11 18 Samsung Electronics MEMO ...
Page 115: ...2 6 Samsung Electronics Alignment and Adjustment MEMO ...