No. 52026

A
V-14F3/AV-1435
A
V-1435EE/AV-1435TEE
A
V-14FMT3/AV-1438
A
V-14FMG3/AV-14FMG3B
20
ADJUSTMENTS

B1 POWER SUPPLY

Item Measuring
instrument Test point Adjustment part Description
Check o f
B1 Power
Supply
Signal
generator
DC Vol t-
meter
TP-91 ( B1)
TP-E (#
##
#)
1. Input a whole bl ack signa l.
2. Connect a DC voltmeter to TP-91(B1) and TP-E (#).
3. Make sur e that th e volt age i s DC1 16. 5±2.0V.

FOCUS ADJUSTME NT

Item Measuring
instrument Test point Adjustment part Description
Adju s t men t
of FOCUS
Signal
generator
FOCUS VR
[In HVT]
1. Input a cross-hatch signal.
2. While watching th e screen, adjust the FOCUS VR to ma ke the
vertic al and hori zonta l l ines as f ine and sha rp as possib le.
3. Make sur e that whe n the s cre en i s dar kened, th e lines rem ain in
good focu s.

IF CIRCUIT ADJUS TMENT

Item Measuring
instrument Test point Adjustment part Description
●Please use signal generator which is correct proof about the
sending freq uenc y.
Adju s t men t
of VCO
(
CW
)
Signal
generator
Remote
control unit
1. VCO
1. Input th e PAL f ull colo ur b ar (210 .2 5MHz) s ignal .
2. Enter the SERVICE MENU.
3. Select 1.IF f rom the SERV ICE MENU .
4. Press 1 key and select 1.VCO.
5. Select VCO ADJUST with MENU ▲/▼ key.
6. Press MENU -/+ key until the colour of the characters TOO
HIGH chan ges blue t o yellow . Then gr adually pr ess the MEN U
-/+ key unti l the T OO LOW ch anges yel low. At this tim e, conf irm
that t he val ue of VCO ADJUST is n ear +00 .
7. Select AFT ADJUST with MENU ▲/▼ key.
8. Press MENU -/+ key until the characters JUST REFERENCE
changes blue to yell ow.
9. Press the DISPLAY key three times to return to normal screen.
VCO (CW)
***.**
MHz
TOO HIGH
ABOVE REFEREN CE
JUST REFERE NCE
BELOW REFERE N CE
TOO LOW
AFT ADJUST
***(**)
***(**)***(**)
***(**)
VCO ADJUST
***(**)
***(**)***(**)
***(**)
FINE
DISP : EXIT
YELLOW
D
o
n
ot
adjust
ADJUSTMENT AT THIS POINT IS USELESS
AB
O
VE REFEREN
C
E
TOO HIGH
BELOW RE F E RE NC E
JUST R EFE RENC E
TOO LOW
ADJUSTMENT POINT