This
section
provides
complete
adjustment
procedures
required for electric circuits of VCR.
11.5.1. TEST EQUIPMENT
The following items will be required when performing electrical
adjustment.
1. VHS Alignment Tape. (VFJ8125H3F)
2. Monitor
11.5.2. SERVO SECTION
PG SHIFTER ADJUSTMENT
PROCEDURE
F.I.P. DISPLAY
1.
Turn on the Service Mode
1.Press the FF key and the EJECT
key simultaneously for more than 3
seconds.
2.
Activate the Service Mode 2
While keep pressing FF key, press the
EJECT key in twice.
3.
Activate the Entering Mode.
Press the EJECT key for more than 3
seconds.
4.
Set the Mode 2.
Press the CH UP key once.
5.
Insert the alignment cassette tape
(VFJ8125H3F)
The PG Shifter Adjustment starts
automatically.
6.
When the sequence of the automatic
adjustment has been terminated, the
following action has been made.
* SUCCEED: The cassette tape is
ejected.
* ERROR: The "F20", "F21", "F22" or
"F23"is displayed. Refer to next PG
Shifter Adjustment Self-Diagnosis
Indication Table regarding the details
of the indications.
7.
Exit from Service Mode.
Press FF and EJECT keys
simultaneously in 6 times.
Then the FIP becomes normal
indication.
PG SHIFTER AUTOMATIC ADJUSTMENT SELF-DIAGNOSIS
INDICATION
F20
NG1 in the PG Shifter Automatic Adjustment
(The cylinder rotation is unstable during the automatic
adjustment.)
F21
NG2 in the PG Shifter Automatic Adjustment
(The vertical sync signal is lacked while over 5 seconds on the
alignment tape.)
F22
NG3 in the PG Shifter Automatic Adjustment
(The installing position of Heads to the cylinder is our of
specification.
F23
NG4 in the PG Shifter Automatic Adjustment
(The servo is not locked to the cylinder for more than 10 sec.)
NOTE:
After replacing the DD Cylinder, the Tape Interchangeability
adjustment
(X-Value
Adjustment,
P2
and
P3
Posts
Adjustment) should be performed after the PG Shifter
Automatic Adjustment.
11.5. VCR ELECTRICAL ADJUSTMENT PROCEDURES
43
NV-VP32GN / NV-VP32EE
Содержание NV-VP32GN
Страница 8: ...6 GENERAL DESCRIPTION 6 1 OPERATING INSTRUCTIONS 8 NV VP32GN NV VP32EE ...
Страница 9: ...9 NV VP32GN NV VP32EE ...
Страница 30: ...4 Cut the antistatic flexible sheet for the optical pickup unit Fig 4 30 NV VP32GN NV VP32EE ...
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Страница 64: ...NV VP32GN NV VP32EE 64 ...
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Страница 86: ...NV VP32GN NV VP32EE 86 ...
Страница 87: ...18 EXPLODED VIEWS 18 1 VCR MECHANISM CHASSIS PARTS SECTION 87 NV VP32GN NV VP32EE ...
Страница 88: ...18 2 DVD MECHANISM CHASSIS PARTS SECTION 88 NV VP32GN NV VP32EE ...
Страница 89: ...18 3 CASING PARTS SECTION 89 NV VP32GN NV VP32EE ...
Страница 90: ...90 NV VP32GN NV VP32EE ...
Страница 91: ...18 4 PACKING PARTS SECTION 91 NV VP32GN NV VP32EE ...