Panasonic OmniVision PV-M2066, Руководство по обслуживанию

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C. ELECTRICAL ADJUSTMENT PROCEDURES
2. Tighten 2 Screws with Washers (A) shown in Fig. M4.
3. Clean the Upper Cylinder with a deerskin swab (Head
Cleaning Stick) saturated with Ethanol.
Note :
Upon completion of replacement, perform “TAPE
INTERCHANGEABILITY ADJUSTMENT,” Page 2-14,
especially “HORIZONTAL POSITION ADJUSTMENT
OF A/C HEAD,” Page 2-16, included in PV-M2046
Service Manual.
3. ADJUSTMENT PROCEDURES
TV STEREO AMP SECTION
SEPARATION ADJUSTMENT
Purpose:
To separate the L and R Channels of Stereo Signal.
Symptom of Misadjustment:
The L and R Channels of Stereo Signal will not be separated
properly resulting in no stereophonic effect.
TP ADJ. MODE INPUT
TP4207 R9001 STOP (ANTENNA INPUT TERMINAL)
MTS (ONLY L CH)
300Hz
±
5Hz
14% or 7% Modulating
TAPE M.EQ. SPEC.
OSCILLOSCOPE Refer to Descriptions
MTS/SAP SIGNAL below
GENERATOR
Note :
TP4207 : Hi-Fi Audio C.B.A.
R9001 : VCR Main C.B.A.
1. Connect the RF OUTPUT of the MTS/SAP Signal
Generator to the Antenna Input Terminal.
2. Connect the Oscilloscope to TP4207(R CH).
3. Adjust R9001 on the VCR Main C.B.A. so that the signal
level is at minimum as shown in Fig. E5.
10mV
1ms
TP4207(R CH)
Minimum
Fig. E5