Service Adjustments; Adjustment Items - JVC AV-14F33 Service Manual

SERVICE ADJUSTMENTS

ADJUSTMENT PREPARATION
1. You can make the necessary adjustments for this unit with
either the Remote Control Unit or With the adjustment tools
and parts as given below.
2. Adjustment with the Remote Control Unit is made on the
basis of the initial setting values, however, the new setting
values which set the screen to its optimum condition may
differ from the initial settings.
3. Make sure that connection is correctly made to AC power
source.
4. Turn on the power of the set and equipment before use, and
start the adjustment procedures after waiting at least 30 minutes.
5. Unless otherwise specified, prepare the most suitable reception
or input signal for adjustment.
ADJUSTMENT EQUIPMENT
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Signal generator (Pattern generator) [NTSC / PAL-M / PAL-N ]
4. Remote control unit
5. TV audio multiplex signal generator.
6. Frequency counter.

ADJUSTMENT ITEMS

Adjustment item
B1 POWER SUPPLY
IF VCO adjustment
RF AGC adjustment
FOCUS adjustment
6. Never touch any adjustment parts, which are not specified
in the list for this adjustment VRs, transforms, condensers,
etc.
7. Preparation for adjustment
Unless otherwise specified in the adjustment instructions, preset
the following functions with the REMOTE CONTROL UNIT.
User mode position
VIDEO STATUS
TINT / COLOR / PICTURE
BRIGHT / DETAIL
BASS / TREBLE / BALANCE
MTS
HYPER SURROUND
SETUP TOUR
Adjustment item
DEFLECTION adjustment
VIDEO / CHROMA adjustment
MTS circuit adjustment [AV-14F33/PH Only]
PURITY / CONVERGENCE adjustment.
No.52021
AV-14F13
AV-14F33
STANDARD
STANDARD
CENTER
[AV-14F33/PH Only]
STEREO
[AV-14F33/PH Only]
OFF
[AV-14F33/PH Only]
ON
15