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AV-27920
SERVICE ADJUSTMENT
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. Turn on the power for set and test equipment before use, and
start the adjustment
procedures
after waiting
at least
30
minutes.
4. Make sure that AC power is turned on correctly.
ADJUSTMENT EQUIPMENT
DC voltmeter (or digital voltmeter)
Oscilloscope
Signal generator (Pattern generator)
[NTSC]
Remote control unit
. TV audio multiplex signal generator.
. Frequency counter
OnRYWN
>
ADJUSTMENT LOCATIONS
VOL+
VOL-
CH+
CH
MENU
TP-12B
T1341 CW
TP-91
ee
(B1)
TP-E
(1)
Lav IN our _]
S-IN
1C702
5. Unless otherwise specified, prepare the most suitable reception
or input signal for adjustment.
6. Never touch any adjustment parts which are not specified in the
list for this adjustment
- variable
resistors,
transformers,
condensers, etc.
7. Presetting before adjustment.
Unless
otherwise
specified
in the adjustment
instructions,
preset the following functions with the remote control unit:
e@ VIDEO STATUS
STANDARD
e@ BASS, TREBLE,
CENT!
BALANCE
ENTER
ADJUSTMENT ITEMS
RF. AGC
SUB BRIGHT
FOCUS
SUB CONTRAST
V. SIZE
SUB COLOR
H. POSITION
SUB TINT
Adjustment items
MTS INPUT
LEVEL check
MTS STEREO
vco
MTS SAP VCO
MTS FILTER check
MTS
SEPARATION
c=]
STEREO[S]
MAIN PWB
CRT SOCKET PWB)
'2P
(Within MAIN PWB ASS'Y)
(SOLDER SIDE)
UPPER : FOCUS
LOWER : SCREEN
CRT EARTH
(BRAIDED ASS'Y)
410
No.51370
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