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Disassembly and Reassembly
(Alignment and Adjustment)
1. Load alignment tape (Mono Scope) and play
back a 7KHz signal. (SP Mode)
2. Connect CH1 scope probe to J008 or J009
(Monitor Audio Out) CH2 scope probe to
TPM01 H'D SW Adjust sync to Channel 1.
3) Set the control pulse to 7 msec using the Fine
tracking buttons +/- on the remote control.
(see Fig. (A),(B))
4) Connect CH1 scope probe to TPM01 Video
ENV.
5) Insert the adjusting driver into the X-position
adjusting gear and adjust the driver for
maximum envelope waveform.
Note:
Do not adjust the X-point using excessive force.
After turning the X-point adjusting screw (D)
counteerclock wise a little, perform the
adjustment and then tighten the screw.
(See Fig. 3-5-1)
SCOPE SETTINGS
Setting of Scope
- Volt/div. ; CH-1 = 0.1V
CH-2 = 0.2V
CH-2 PROBE
H'D SW
PULSE
CH-1 PROBE
CTL PULSE
(A) Tracking Preset Adjustment (4HD/6HD)
3-22
-Time/div. ; 5 msec
7 msec
REMOTE
CONTROL PULSE REMOVE
BUTTONS
_
+
_
+
(B) Control Pulse Adjustment
A/V JACK
MAIN PCB TOP View
(C) MAIN PCB VCR TP Point
GND
VIDEO Envelope
HD SW
Control
TPM01
Samsung Electronics
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