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JVC AV-14F3 User Manual

JVC AV-14F3
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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 Ad justment part Description
Check of
B1 Power
Supply
Signal
generator
DC Volt -
meter
TP-91 ( B1)
TP-E (
#
##
#
)
1. Input a wh ole black signa l.
2. Connect a DC voltmeter to TP-91(B1) and TP-E (
#
).
3. Make sur e t hat th e volt ag e is DC1 16. 5±2.0 V.
FOCUS ADJUSTMENT
Item
Measuring
instrument
Test point Ad justment part Description
Ad ju st ment
of FOCUS
Signal
generator
FOCUS VR
[In HVT]
1. Input a cross-hatch signal.
2. While watch ing the screen, adjust the FOCUS VR to make the
vertical and ho rizo ntal lin es as f ine a nd sha rp as possib le.
3. Make sur e t hat whe n th e s creen is d arken ed, th e lines remain in
g ood focu s.
IF CIRCUIT ADJUSTMENT
Item
Measuring
instrument
Test point Ad justment part Description
Please use signal generator which is correct proof about the
sen ding freq ue ncy.
Ad ju st ment
of VCO
(
CW
)
Signal
generator
Remote
control unit
1. VCO
1. Input th e PA L f ull colo ur b ar (210 .2 5MHz) sig nal.
2. En ter th e SERVICE MENU.
3. Sele ct 1.IF f ro m t he SERV ICE MENU.
4. Press 1 key and s elect 1. VCO.
5. Select VCO ADJUST with MENU
/
key.
6. Press MENU -/+ key until the colour of the characters TOO
HIGH ch an ges b lue to ye llow. Th en g rad ually press th e MENU
-/+ key u ntil the TOO LOW ch ang es ye llow. At this t ime, conf irm
th at t he valu e of VCO ADJUST is n ear +00 .
7. Select AFT ADJUST with MENU / key.
8. Press MENU -/+ key until the characters JUST REFERENCE
ch ang es b lue to yellow.
9. Press the DI SPLAY key three times to return to normal screen.
VCO (C W)
***.**
MHz
TOO HIGH
AB OVE REFEREN CE
JU ST REFER ENCE
BELOW R EFEREN CE
TOO LOW
AFT AD JUST
** *(* *)
** *(* *)** *(* *)
** *(* *)
VCO ADJUST
** *(* *)
** *(* *)** *(* *)
** *(* *)
FINE
DISP : EXIT
YE LLOW
D
o
n
ot
adjust
ADJUSTMENT AT THIS POINT IS USELESS
AB
O
VE REFEREN
C
E
TOO HIGH
B EL OW RE F E RE NC E
J US T R EFE RE NC E
TOO LOW
ADJUST MENT POINT

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JVC AV-14F3 Specifications

General IconGeneral
BrandJVC
ModelAV-14F3
CategoryTV
LanguageEnglish

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