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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 before.
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 the 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.
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:
(1) VIDEO STATUS
STANDARD _ || (3) HYPER SURROUND
(2) NOTCH
[OFF ——_—|{(4) BASS, TREBLE, BALANCE
CENTER
TESTERS & TOOLS
ADJUSTMENT ITEMS
'ta
B1 voltage check
WHITE
BALANCE
(Low Light)
| PIP CIRCUIT (7 ITEMS)
IF VCO
WHITE
BALANCE
(High Light)
| MTS
INPUT LEVEL check
DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Signal generator (Pattern generator)
[NTSC]
4. Remote control unit
5. TV audio multiplex signal generator
6. Frequency counter
SUB BRIGHT
MTS STEREO VCO
FOCUS
SUB CONTRAST
MTS SAP VCO
V. CENTER, V. SIZE
SUB COLOR
MTS FILTER check
and V.POSITION
H. POSITION
| SUB TINT
| MTS SEPARATION
POWER
VOL
CH
ADJUSTMENT LOCATIONS
FRONT
t
MAIN PWB ASS'Y
i
E7G)
(2) eae
ICBO1
bd
[ DEG. ]
C]
rosa.
re
CO
(SOLDER SIDE)
es
AV SELECTOR PWB
eS
@ |correct
O
| om
4
SUNER
PEHO
C=]
pot
(a=)
CRT EARTH
(BRAIDED ASS'Y)
CRT SOCKET PWB ASS'Y
UPPER
: FOCUS
LOWER : SCREEN
CRT EARTH
(BRAIDED ASS'Y)
12 (No.51130)
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