JVC AV-14F1P(PH) User manual

AV-14F1P
No. 56084 1
CONTENTS
■SPECIFICATIONS ........................................................................................................................... 2
■SAFETY PRECAUTIONS ................................................................................................................ 3
■FEATURES ...................................................................................................................................... 4
★OPERATING INSTRUCTIONS (APPENDED).............................................................................. 1-1
■SPECIFIC SERVICE INSTRUCTIONS ............................................................................................ 4
■SERVICE ADJUSTMENTS............................................................................................................10
★STANDARD CIRCUIT DIAGRAM (APPENDED) ......................................................................... 2-1
■PARTS LIST................................................................................................................................... 27
BASIC CHASSIS
GA2
AV-14F1P
COPYRIGHT  2000 VICTOR COMPANY OF JAPAN, LTD. No. 56084
Sep. 2000
SERVICE MANUAL
COLOR TELEVISION
AV-14F1P(PH)
+
−

AV-14F1P
No. 560842
Item Content
Dimensions (W ×H ×D) 462mm ×340.5mm ×375mm
Mass 10kg
TV RF System CCIR (M) & (N)
Color System NTSC / PAL-M / PAL-N
TV Receiving Channel and Frequency
VHF (VL) Band (02 ~ 06) 54MHz ~ 88MHz
VHF (VH) Band (07 ~ 13) 174MHz ~ 216MHz
UHF Band (14 ~ 69) 470MHz ~ 806MHz
CATV Receiving Channel and Frequency
Low Band (02 ~ 06)
High Band (07 ~ 13)
Mid Band (14 ~ 22)
Super Band (23 ~ 36) (54MHz ~ 804MHz)
Hyper Band (37 ~ 64)
Ultra Band (65 ~ 94, 100 ~ 125)
Sub Mid Band (01, 96 ~ 99)
TV/CATV Total Channel 180 Channels
Intermediate Frequency
VIF Carrier 45.75MHz
SIF Carrier 41.25MHz (4.5MHz)
Color Sub Carrier Frequency NTSC: 3.579545MHz
PAL-M: 3.57561149MHz
PAL-N: 3.58205625MHz
Aerial Input Terminal 75ΩUnbalanced
Power Input Rating: AC110 ~ 240V, 50/60Hz Operating: AC90 ~ 260V, 50/60Hz
Power Consumption 42W
Picture Tube Visible size : 34cm measured diagonally
High Voltage 22.5kV ±1kV (at zero beam current)
Speaker 5cm ×9 cm Oval type ×2
Audio Output 2W (Monaural)
Input Video 1Vp-p, 75Ω
Audio 500mVrms (−4dBs), High impedance
Output Video 1Vp-p, 75Ω
Audio 500mVrms (–4dBs), Low impedance
Headphone Jack Stereo mini jack (3.5ø)
Remote Control Unit RM-C372-1H (Battery size : AA/R06/UM-3 ×2)
Design & specifications are subject to change without notice.
SPECIFICATIONS

AV-14F1P
No. 56084 3
SAFETY PRECAUTIONS
8. When service is required, observe the original lead dress. Ex-
tra precaution should be given to assure correct lead dress in
the high voltage circuit area. Where a short circuit has occurred,
those components that indicate evidence of overheating should
be replaced.Always use the manufacturer's replacement com-
ponents.
9. Isolation Check
(Safety for Electrical Shock Hazard)
After re-assembling the product, always perform an isolation
check on the exposed metal parts of the cabinet (antenna ter-
minals, video/audio input and output terminals, Control knobs,
metal cabinet, screw heads, earphone jack, control shafts, etc.)
to be sure the product is safe to operate without danger of elec-
trical shock.
(1) Dielectric Strength Test
The isolation between theAC primary circuit and all metal parts
exposed to the user, particularly any exposed metal part hav-
ing a return path to the chassis should withstand a voltage of
3000V AC (r.m.s.) for a period of one second.
(. . . . Withstand a voltage of 1100VAC (r.m.s.) to an appliance
rated up to 120V, and 3000V AC (r.m.s.) to an appliance rated
200V or more, for a period of one second.)
This method of test requires a test equipment not generally
found in the service trade.
(2) Leakage Current Check
Plug the AC line cord directly into the AC outlet (do not use a
line isolation transformer during this check.). Using a "Leakage
Current Tester", measure the leakage current from each ex-
posed metal part of the cabinet, particularly any exposed metal
part having a return path to the chassis, to a known good earth
ground (water pipe, etc.).Any leakage current must not exceed
0.5mAAC (r.m.s.).
However, in tropical area, this must not exceed 0.2mA AC
(r.m.s.).
●Alternate Check Method
Plug the AC line cord directly into the AC outlet (do not use a
line isolation transformer during this check.). Use an AC volt-
meter having 1000 ohms per volt or more sensitivity in the fol-
lowing manner. Connect a 1500Ω10W resistor paralleled by a
0.15µF AC-type capacitor between an exposed metal part and
a known good earth ground (water pipe, etc.). Measure theAC
voltage across the resistor with the AC voltmeter. Move the
resistor connection to each exposed metal part, particularly any
exposed metal part having a return path to the chassis, and
measure the AC voltage across the resistor. Now, reverse the
plug in the AC outlet and repeat each measurement. Any volt-
age measured must not exceed 0.75V AC (r.m.s.). This corre-
sponds to 0.5mAAC (r.m.s.).
However, in tropical area, this must not exceed 0.3VAC(r.m.s.).
This corresponds to 0.2mAAC (r.m.s.).
1. The design of this product contains special hardware, many
circuits and components specially for safety purposes. For con-
tinued protection, no changes should be made to the original
design unless authorized in writing by the manufacturer. Re-
placement parts must be identical to those used in the original
circuits. Service should be performed by qualified personnel
only.
2. Alterations of the design or circuitry of the products should not
be made. Any design alterations or additions will void the
manufacturer's warranty and will further relieve the manufac-
turer of responsibility for personal injury or property damage
resulting therefrom.
3. Many electrical and mechanical parts in the products have spe-
cial safety-related characteristics. These characteristics are of-
ten not evident from visual inspection nor can the protection
afforded by them necessarily be obtained by using replace-
ment components rated for higher voltage, wattage, etc. Re-
placement parts which have these special safety characteris-
tics are identified in the parts list of Service manual. Electrical
components having such features are identified by shad-
ing on the schematics and by (!) on the parts list in Ser-
vice manual. The use of a substitute replacement which does
not have the same safety characteristics as the recommended
replacement part shown in the parts list of Service manual may
cause shock, fire, or other hazards.
4. Don't short between the LIVE side ground and ISOLATED
(NEUTRAL) side ground or EARTH side ground when re-
pairing.
Some model's power circuit is partly different in the GND. The
difference of the GND is shown by the LIVE : (#) side GND,
the ISOLATED (NEUTRAL) : (") side GND and EARTH : ($)
side GND. Don't short between the LIVE side GND and ISO-
LATED (NEUTRAL) side GND or EARTH side GND and never
measure with a measuring apparatus (oscilloscope etc.) the
LIVE side GND and ISOLATED (NEUTRAL) side GND or
EARTH side GND at the same time.
If above note will not be kept, a fuse or any parts will be bro-
ken.
5. If any repair has been made to the chassis, it is recommended
that the B1 setting should be checked or adjusted (See AD-
JUSTMENT OF B1 POWER SUPPLY).
6. The high voltage applied to the picture tube must conform with
that specified in Service manual. Excessive high voltage can
cause an increase in X-Ray emission, arcing and possible com-
ponent damage, therefore operation under excessive high volt-
age conditions should be kept to a minimum, or should be pre-
vented. If severe arcing occurs, remove theAC power immedi-
ately and determine the cause by visual inspection (incorrect
installation, cracked or melted high voltage harness, poor sol-
dering, etc.). To maintain the proper minimum level of soft X-
Ray emission, components in the high voltage circuitry includ-
ing the picture tube must be the exact replacements or alterna-
tives approved by the manufacturer of the complete product.
7. Do not check high voltage by drawing an arc. Use a high volt-
age meter or a high voltage probe with a VTVM. Discharge the
picture tube before attempting meter connection, by connect-
ing a clip lead to the ground frame and connecting the other
end of the lead through a 10kΩ2W resistor to the anode but-
ton.
AC VOLTMETER
(HAVING 1000Ω/V,
OR MORE SENSITIVITY)
PLACE THIS PROBE
ON EACH EXPOSED
METAL PART
1500Ω10W
0.15µF AC-TYPE
GOOD EARTH GROUND

AV-14F1P
No. 560844
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Unplug the AC power cord.
2. Remove the 5screws marked "A" and 2screws marked "B".
3. Withdraw the rear cover backward.
REMOVING THE MAIN PW BOARD
●After removing the rear cover.
1. Slightly raise both sides of the Main PW Board by hand and
remove the PB stopper "C" from the cabinet.
2. Withdraw the Main PW Board backward.
(If necessary, take off the wire clamp, connectors etc.)
REMOVING THE SPEAKER
●After removing the rear cover.
1. Remove the 2screws marked "D".
2. Follow the same step for removing the other hand speaker.
CHECKING THE MAIN PW BOARD
To check the back side of the Main PW Board, follow the next steps.
1. Pull out the Main PW Board. (Refer to "REMOVING THE MAIN
PW BOARD".)
2. Erect the Main PW Board vertically so that you can easily check
its back side.
CAUTION:
●When erecting the Main PW Board, be careful so that there will
be no contacting with other PW Board.
●Beforeturning on power,make sure that all connectors are prop-
erly connected.
WIRE CLAMPING AND CABLE TYING
1. Be sure to clamp the wire.
2. Never remove the cable tie used for tying the wires together.
Should it be inadvertently removed, be sure to tie the wires with
a new cable tie.
FEATURES
●New chassis design enables use of an interactive on-screen control.
●Wide range voltage for AC power input.
●With AUDIO / VIDEO INPUT & OUTPUT terminals.
●MUTING button can reduce the audio level to zero instantly.
●Functional remote control to operate TV set (for channel select, volume control, power ON/OFF, etc.) from a distance.
●I2C bus is used to control V/C & DEF 1 chip IC, tuner, etc.
●By means ofAUTO PROGRAM, the TV stations can be selected automatically and the TV channels can also be rearranged
automatically.
●Built-in RETURN +.
●Built-in RTC (real-time clock) enables ON/OFF timer settings.

AV-14F1P
No. 56084 5
(×5)
(×2)
(×2)
(×2)
CRT SOCKET PWB
(Within MAIN PWB)
MAIN PWB
SPEAKER
REAR COVER
A
B
D
D
SPEAKER
FRONT CABINET
C

AV-14F1P
No. 560846
REPLACEMENT OF MEMORY IC
1. MEMORY IC
This TV uses the following memory IC.
Memory IC: IC1704 on MAIN PW Board
The memory IC memorizes data for correctly operating the
video and deflection circuits. When replacing the memory IC,
be sure to use the same type IC written with the initial values
of data. In other words, use the specific IC listed in "PRINTED
WIRING BOARD PARTS LIST". For its mounting location, re-
fer to "ADJUSTMENT LOCATIONS".
2. PROCEDURE FOR REPLACING MEMORY IC
(1) Power off
Switch the power off and unplug the power cord from the
wall outlet.
(2) Replacing the memory IC
Replace the memory IC with new one. Be sure to use the
memory IC written with the initial data values.
(3) Power on
Plug the power cord into the wall outlet and switch the
power on.
(4) Check and setting of SYSTEM CONSTANT SET:
1) Press the DISPLAY key and the VIDEO STATU key on
the remote control unit simultaneously.
The SERVICE MENU screen will be displayed. (See
Fig. 1.)
2) In the SERVICE MENU, again press the DISPLAY key
and the VIDEO STATU key simultaneously. Then, the
SYSTEM CONSTANT SET screen will be displayed.
(See Fig. 2.)
3) Check whether thesetting values of the SYSTEM CON-
STANT SET are the same as those indicated in Table
1. If the value is different, select the setting item with
the MENU 1/4key, and set the correct value with the
MENU 2/3key.
(The selected value will be stored in memory when the
MENU 2/3key is released.)
4) Press the EXIT keytwice to return to the normal screen.
NAME OF REMOTE CONTROL KEYS
Fig. 1
SERVICE MENU
SELECT BY
OPERATE BY EXIT BY
IT
PICTURE
VIDEO STATUS OTHERS
LOW LIGHT HIGH LIGHT
RF AFC CHK
VCO (CW) I2C BUS CTRL
EXIT
Fig. 2
SYSTEM CONSTANT
SELECT BY
OPERATE BY EXIT BY
IT
VIDEO : 1
AUDIO : MONO
VARI. OUT : NO
GAME : YES
CINEMA : YES
EXIT
SYSTEM CONSTANT
CCD : YES
RETURN+ : YES
SURROUND : NO
✽✽✽✽✽✽✽✽ ✽✽✽✽✽
SYSTEM CONSTANT-I
SYSTEM CONSTANT-II
SELECT BY
OPERATE BY EXIT BY
IT
EXIT
+
−
POWER
DISPLAY
VIDEO
STATUS
COLOUR
SYSTEM
EXIT
1
456
23
78
100+
9
RETURN+
MENU
CHANNEL VOLUME
MENU
MENU
MENU
DISPLAY
MENU
TV/VIDEO
CLOSED
CAPTION
SLEEP
TIMER
MUTING
VIDEO STATUS
EXIT
0
PICTURE
BOOSTER
(5) Receive channel setting
Refer to the OPERATING INSTRUCTIONS and set the
receive channels (channels preset).
(6) User settings
Check the user setting items in Tables 2-1 and 2-2, and if
setting value is different, set the correct value.
For setting, refer to the OPERATING INSTRUCTIONS.
(7) Setting of SERVICE MENU
Verify the setting for each setting item in the SERVICE
MENU. (See Table 3.) If readjustment is necessary, per-
form adjustment referring to "SERVICEADJUSTMENTS".

AV-14F1P
No. 56084 7
Setting item Setting value Setting item Setting value
MAIN POWER OFF DISPLAY OFF
SUB POWER ON SLEEP TIMER 0
CHANNEL CH 02 VIDEO STATUS STANDARD
CHANNEL PRESET Refer to OPERATING INSTRUCTIONS CLOSED CAPTION OFF (CC1/T1)
VOLUME 10 COLOR SYSTEM AUTO
TV/VIDEO TV PICTURE BOOSTER OFF
USER SETTING VALUES
●Setting of Function Table 2-1
Setting item Setting contents Setting value
VIDEO 1
AUDIO MONO
VARI. OUT NO
GAME YES
CINEMA YES
CCD YES
RETURN+ YES
SURROUND NO
SETTING OF SYSTEM CONSTANT SET Table 1
12
MONO PH. MONO MTS
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
●Setting of Menu Table 2-2
Setting item Setting value Setting item Setting value
TINT CENTER SET LOCK CODE Unnecessary to set
COLOR CENTER CHILD LOCK OFF
PICTURE CENTER AUTO TUNER SETUP AIR
BRIGHT CENTER NOISE MUTING OFF
DETAIL CENTER BACKGROUND BLACK
SET CLOCK Unnecessary to set CLOSED CAPTION CC1 / T1
ON/OFF TIMER NO LANGUAGE ENG.
CHANNEL SUMMARY Unnecessary to set

AV-14F1P
No. 560848
54. H POS. 60
55. H BLK. 60
56. V POS. 60
57. V SIZE60
58. V S CR60
59. V LIN. 60
60. RF AGC
VIDEO STATUS TINT
COLOR
PICTURE
BRIGHT
DETAIL
G DRIVE
B DRIVE
R CUT.
G CUT.
B CUT.
OTHERS 1. OSD HP
2. OSD VP
3. H-CK SW
LOW LIGHT R CUTOFF
G CUTOFF
B CUTOFF
HIGH LIGHT G DRIVE
B DRIVE
RF AFC CHK RF AFC
FINE
VCO (CW) IF VCO (CW) adjustment mode
I2C BUS CTRL I2C BUS
(Fixed to ON state.)
PICTURE 1. PICTURE
2. BRIGHT
3. COL. PALM
4. COL. PALN
5. COL. NTSC
6. TINT
7. TV DTL
8. EXT PIC.
9. EXT BRI.
10. EXT COL.
11. EXT TINT
12. EXT DTL
13. P/N KILL
14. Y S CONT
15. TV Y-DL
16. EXT Y-DL
17. WPL SW
18. Y GAMMA
19. P/N G P.
20. COL. L SW
21. COL. LMT.
22. PN C. ATT
23. OFST. SW
24. OFST. B-Y
25. OFST. R-Y
26. C-TOF SW
27. TV T FO
28. TV T Q
29. EXT T FO
30. EXT T Q
31. C-TRAP
32. C-TR. FO
33. C-TRAP Q
34. FIX B/W
35. APA P. FO
36. DC TRAN.
37. B. ST. SW
38. B. ST. PO.
39. ABL GAIN
40. ABL PO.
41. HALF T.
42. DRV G SW
43. NT. COMB
44. COIN DET
45. NOISE L.
46. VCD MODE
47. V AGC SP
48. H POS. 50
49. H BLK. 50
50. V POS. 50
51. V SIZE50
52. V S CR50
53. V LIN. 50
SERVICE MENU SETTING ITEMS
Table 3
Service menu Setting itemService menu Setting item
Do not adjust.
Do not adjust.
Do not adjust.
Do not adjust.
Do not adjust.
Do not adjust.

AV-14F1P
No. 56084 9
■CAUTIONS
1. Avoid heating for more than 3 seconds.
2. Do not rub the electrodes and the resist parts of the pattern.
3. When removing a chip part, melt the solder adequately.
4. Do not reuse a chip part after removing it.
■SOLDERING IRON
1. Use a high insulation soldering iron with a thin pointed end
of it.
2. A 30W soldering iron is recommended for easily removing
parts.
■REPLACEMENT STEPS
1. How to remove Chip parts
● Resistors, capacitors, etc.
(1) As shown in the figure, while pushing the chip part with twee-
zers, alternately melt the solder at its each end.
(2) Shift the chip part with tweezers and remove it.
●Transistors, diodes, variable resistors, etc.
(1) Apply extra solder to each lead.
(2) As shown in the figure, while pushing the chip part with twee-
zers, alternately melt the solder at its each lead. Then, shift
and remove the chip part.
Note : After removing the part, remove remaining solder from
the pattern.
REPLACEMENT OF CHIP COMPONENT
2. How to install Chip parts
●Resistors, capacitors, etc.
(1) Apply solder to the pattern as indicated in the figure.
(2) Grasp the chip part with tweezers and place it on the solder.
Then heat and melt the solder at both ends of the chip part.
●Transistors, diodes, variable resistors, etc.
(1) Apply solder to the pattern as indicated in the figure.
(2) Grasp the chip part with tweezers and place it on the solder.
(3) First solder lead Aas indicated in the figure.
(4) Then solder leads Band C.
SOLDER SOLDER
A
B
C
A
B
C

AV-14F1P
No. 5608410
SERVICE ADJUSTMENTS
BEFORE STARTING SERVICE ADJUSTMENT
MEASURING INSTRUMENT
AND FIXTURES
1. DC voltmeter (or Digital voltmeter)
2. Oscilloscope
3. Signal generator (Pattern generator)
[PAL / SECAM / NTSC]
4. Remote control unit
5. TV audio multiplex signal generator
6. Frequency counter
1. There are 2 ways for adjusting this TV: One is with the
REMOTE CONTROL UNIT and the other is the conventional
method using adjustment parts and components.
2. The setting (adjustment) using the REMOTE CONTROL
UNIT is made on the basis of the initial setting values. The
setting values which adjust the screen to the optimum con-
dition can be different from the initial setting values.
3. Make sure thatconnection is correctly made toAC powersource.
4. Turnon the power of theTV and measuring instrument forwarm-
ing up for at least 30 minutes before starting adjustment.
5. If the receive or input signal is not specified, use the most ap-
propriate signal for adjustment.
6. Never touch parts (such as variable resistors, transformers and
capacitors) not shown in the adjustment items of this service
adjustment.
7. Preparation for adjustment (presetting):
Unless otherwise specified in the adjustment items, preset the
following functions with the remote control unit.
BASIC OPERATION IN SERVICE MENU
1. TOOL OF SERVICE MENU OPERATION
Operate the SERVICE MENU with the remote control unit.
2. SERVICE MENU ITEMS
With the SERVICE MENU, various settings (adjustments) can be made, and they are broadly classified in the following items of settings:
●PICTURE..................... For entering/adjusting the setting values (adjustment values) of the VIDEO/CHROMA and DEFLECTION cir-
cuits.
●VIDEO STATUS .......... For setting the values for CINEMA and GAME.
●OTHERS...................... For setting the values of other items.
●LOW LIGHT................. For setting the values of WHITE BALANCE circuit.
●HIGH LIGHT................ For setting the values of WHITE BALANCE circuit .
●RF AFC CHK ............... For checking the RF AFC circuit. (Do not adjust.)
●VCO (CW) ................... For adjusting the IF circuit.
●I2C BUS CTRL............. I2C BUS ON/OFF CONTROL. (Fixed to ON.)
ADJUSTMENT/CHECK ITEMS
Adjustment/Check item Page
B1 POWER SUPPLY Check 16
IF VCO Adjustment 16
RF AGC Adjustment 16
FOCUS Adjustment 16
DEFLECTION CIRCUIT Adjustment 17
VIDEO/CHROMA CIRCUIT Adjustment 18
VIDEO STATUS Adjustment 21
X-RAY PROTECTION Check 22
PURITY, CONVERGENCE Adjustment 23
Function
VIDEO STATUS
TINT, COLOR, PICTURE, BRIGHT
DETAIL
Setting value
STANDARD
CENTER

AV-14F1P
No. 56084 11
3. BASIC OPERATION IN SERVICE MENU
NOTE: In each menu screen, key operation guide will appear
at the bottom, which will help your menu operation.
(1) How to enter SERVICE MENU
Press the DISPLAY key and the VIDEO STATUS key on the
remote control unit simultaneously.
The SERVICE MENU screen will be displayed. (See Fig. 1.)
• To return to the previous screen, press the EXIT key on
the remote control unit.
(2) Selection of Sub Menu Screen
See Fig. 3, menu diagram, on the next page.
1) Press the MENU 1/4key on the remote control unit to
select an item in the SERVICE MENU screen.
2) Enter the Sub Menu as follows:
●Entering "PICTURE" and "OTHERS" Sub Menus
Press the MENU 2/3key in the SERVICE MENU
screen. Then, the Screen A shown in Fig. 3 on the
next page will appear.
In the Screen A, press the MENU 1/4key to enter
the Sub Menu screen.
●Entering other than above Sub Menus
Press the MENU 2/3key in the SERVICE MENU
screen. Then, the Sub Menu screen will directly ap-
pear.
• To return to the previous screen, press the EXIT key on
the remote control unit.
Fig. 2
(3) Method of Setting in the Sub Menu Screen
*Once the setting values are set, they are automatically
memorized.
1) PICTURE, VIDEO STATUS, OTHERS
1/4key: Press to select an item in the Sub Menu.
2/3key: Press to select the value of the selected item.
EXIT key: Press to return to the previous screen.
VIDEO STATUS key: In the VIDEO STATUS sub menu
screen, press to switch between VIDEO STA-
TUS-GAME and VIDEO STATUS-CINEMA.
2) LOW LIGHT, HIGH LIGHT
Setting will be done by using the numeral key on the re-
mote control unit.
3) RF AFC CHK
Do not adjust.
4) VCO (CW)
Setting will be done by adjusting the CW TRANSF. (T111)
on the Main PWB.
5) I2C BUS CTRL
Do not adjust. This item should always be fixed to ON to
normally operate the TV set.
(4) Release of SERVICE MENU
After completing the setting, repeatedly press the EXIT key
until the screen returns to the normal screen.
SELECT BY
OPERATE BY EXIT BY
IT
1. PICTURE
✽✽✽✽✽ ✽✽✽✽
EXIT
SUB MENU: PICTURE
✽✽✽
Fig. 2 SUB MENU example (PICTURE)
1/4key: Press to select an item.
2/3key: Press to set the value.
EXIT key:Press to return to the previous screen.
SUB MENU item Setting Value
SERVICE MENU
Fig. 1 SERVICE MENU
1/4key: Press to select an item.
2/3key: Press to enter the SUB MENU screen of the
selected item.
EXIT key:Press to return to the previous screen.
SERVICE MENU
SELECT BY
OPERATE BY EXIT BY
IT
PICTURE
VIDEO STATUS OTHERS
LOW LIGHT HIGH LIGHT
RF AFC CHK
VCO (CW) I2C BUS CTRL
EXIT
SERVICE MENU items
Key Operation Guide
SERVICE MENU →SUB MENU
PICTURE
VIDEO STATUS OTHERS
LOW LIGHT HIGH LIGHT
RF AFC CHK
VCO (CW) I2C BUS CTRL

AV-14F1P
No. 5608412
HIGH LIGHT
✽✽✽ ✽✽✽
TOO HIGH
ABOVE REFERENCE
BELOW REFERENCE
TOO LOW
SYNC : YES
SERVICE MENU
SELECT BY
OPERATE BY EXIT BY
IT
PICTURE
VIDEO STATUS OTHERS
LOW LIGHT HIGH LIGHT
RF AFC CHK
VCO (CW) I2C BUS CTRL
EXIT
EXIT BY
IT
EXIT
RF AFC ON
FINE
✽✽✽
SELECT BY
OPERATE BY EXIT BY
IT
EXIT
EXIT BY
IT
EXIT
I2C BUS ON
OPERATE BY EXIT BY
IT
EXIT
SELECT BY EXIT BY
IT
EXIT
CINEMA
SELECT BY
OPERATE BY EXIT BY
IT
TINT G DRIVE
COLOR B DRIVE
PICTURE R CUT.
BRIGHT G CUT.
DETAIL B CUT.
EXIT
✽✽✽ ✽✽✽
✽✽✽ ✽✽✽
✽✽✽ ✽✽✽
✽✽✽ ✽✽✽
✽✽✽ ✽✽✽
GAME
SELECT BY
OPERATE BY EXIT BY
IT
TINT G DRIVE
COLOR B DRIVE
PICTURE R CUT.
BRIGHT G CUT.
DETAIL B CUT.
EXIT
✽✽✽ ✽✽✽
✽✽✽ ✽✽✽
✽✽✽ ✽✽✽
✽✽✽ ✽✽✽
✽✽✽ ✽✽✽
BRIGHT ✽✽✽
✽✽✽ ✽✽✽
✽✽✽
BRIGHT EXIT BY IT
EXIT
SELECT BY
OPERATE BY EXIT BY
IT
1. PICTURE ✽✽✽
✽✽✽✽✽ ✽✽✽✽
EXIT
SELECT BY
OPERATE BY EXIT BY
IT
1. OSD HP ✽✽✽
EXIT
SERVICE MENU (MAIN MENU) SCREEN A SUB MENU: PICTURE
SUB MENU: HIGH LIGHT SUB MENU: OTHERS
SUB MENU: RF AFC CHK
SUB MENU: VCO (CW)
SUB MENU: VIDEO STATUS
Do not adjust.
Press
VIDEO
STATUS
Key.
SUB MENU: I C BUS CTRL SUB MENU: LOW LIGHT
2
Fixed to ON state.
CINEMA GAME
SERVICE MENU AND SUB MENU SCREENS
Fig. 3

AV-14F1P
No. 56084 13
ADJUSTMENT LOCATIONS
S
B1
HV
U
MEMORY
IC
IC704
IC701
-MENU +
F901
PW
TU001
POWER SW
S901
DEG
HVT
UPPER : FOCUS
LOWER : SCREEN
REMOCON
RECEIVER
POWER
ON
TIMER VOL -+CH
T
FRONT
MAIN PWB
CRT SOCKET PWB
(SOLDER SIDE)
1 Pin TP-91(B1)
2 Pin NC
3 Pin TP-E
(")
13
IC201
VCO
T111
C
X
1
3
TP-E
E
1
TP-47B
T
UCRT EARTH
(BRAIDED ASS'Y)
TOP

AV-14F1P
No. 5608414
Setting item Variable range Initial setting value
1. PICTURE 000 ~ 127 040
2. BRIGHT 000 ~ 127 064
3. COL. PALM 000 ~ 127 070
4. COL. PALN 000 ~ 127 070
5. COL. NTSC 000 ~ 127 072
6. TINT 000 ~ 127 065
7. TV DTL 000 ~ 063 028
8. EXT PIC. ±025 (±000)
9. EXT BRI. ±025 (+000)
10. EXT COL. ±025 (±000)
11. EXT TINT ±025 (+001)
12. EXT DTL 000 ~ 063 030
13. P/N KILL 000 / 001 001
14. Y S CONT 000 ~ 031 031
15. TV Y-DL 000 ~ 007 001
16. EXT Y-DL 000 ~ 007 002
17. WPL SW 000 / 001 000
18. Y GAMMA 000 / 001 000
19. P/N G P. 000 / 001 000
20. COL. L SW 000 / 001 001
21. COL. LMT. 000 ~ 003 001
22. PN C. ATT 000 ~ 003 001
23. OFST. SW 000 / 001 000
24. OFST. B-Y 000 ~ 015 008
25. OFST. R-Y 000 ~ 015 008
26. C-TOF SW 000 / 001 001
27. TV T FO 000 ~ 003 001
28. TV T Q 000 ~ 003 000
29. EXT T FO 000 ~ 003 000
30. EXT T Q 000 ~ 003 000
INITIAL SETTING VALUE OF SERVICE MENU
The setting (adjustment) using the remote control unit is made on the basis of the initial setting values.
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
●Do not change the initial setting values of the setting (adjustment) items not listed in "ADJUSTMENTS".
●PICTURE
★The following four setting items in the video mode and TV mode are linked each other.
Video mode: 8. EXT PIC., 9. EXT BRI., 10. EXT COL. and 11. EXT TINT
TV mode: 1. PICTURE, 2 . BRIGHT, 5. COL. NTSC and 6. TINT
When the setting items in the TV mode are adjusted, the same values will be set to the linking items in the video mode. For example,
if the value of 1. PICTURE is changed, the value of 8. EXT PIC. will also be changed accordingly. (The initial setting values given in
( ) are offset values against the TV mode.)
★When the four items (Nos. 8, 9, 10 and 11) are adjusted in the video mode, the setting values will be changed independently from
those in the TV mode.
Settingitem Variable range Initial setting value
31. C-TRAP 000 / 001 000
32. C-TR. FO 000 ~ 003 002
33. C-TRAP Q 000 ~ 003 000
34. FIX B/W 000 / 001 000
35. APA P. FO 000 ~ 003 001
36. DC TRAN. 000 ~ 007 006
37. B. ST. SW 000 / 001 000
38. B. ST. PO. 000 ~ 007 000
39. ABL GAIN 000 ~ 007 004
40. ABL PO. 000 ~ 007 000
41. HALF T. 000 ~ 002 001
42. DRV G SW 000 / 001 000
43. NT. COMB 000 / 001 001
44. COIN DET 000 ~ 003 001
45. NOISE L. 000 ~ 003 003
46. VCD MODE 000 / 001 000
47. V AGC SP 000 / 001 000
48. H POS. 50 000 ~ 031 007
49. H BLK. 50 000 ~ 007 000
50. V POS. 50 000 ~ 007 000
51. V SIZE50 000 ~ 127 024
52. V S CR50 000 ~ 127 018
53. V LIN. 50 000 ~ 031 004
54. H POS. 60 000 ~ 031 012
55. H BLK. 60 000 ~ 007 000
56. V POS. 60 000 ~ 007 000
57. V SIZE60 000 ~ 127 028
58. V S CR60 000 ~ 127 046
59. V LIN. 60 000 ~ 031 004
60. RF AGC 000 ~ 255 160
: Do not adjust.

AV-14F1P
No. 56084 15
Initial setting value
Setting item Variable range CINEMA GAME
TINT ±20 ±0 ±0
COLOR ±20 −3−3
PICTURE ±20 −10 −10
BRIGHT ±20 ±0 ±0
DETAIL ±15 ±0−5
G DRIVE −99 ~ +50 −22 ±0
B DRIVE −99 ~ +50 −54 ±0
R CUT. ±10 ±0 ±0
G CUT. ±10 ±0 ±0
B CUT. ±10 ±0 ±0
●VIDEO STATUS
●OTHERS
Setting item Variable range Initial setting value
1. OSD HP 000 ~ 063 023
2. OSD VP 000 ~ 015 012
3. H-CK SW 000 / 001 000
Setting item Variable range Initial setting value
R CUTOFF 000 ~ 255 020
G CUTOFF 000 ~ 255 020
B CUTOFF 000 ~ 255 020
●LOW LIGHT
Setting item Variable range Initial setting value
G DRIVE 000 ~ 255 128
B DRIVE 000 ~ 255 128
●HIGH LIGHT
: Do not adjust.
: Do not adjust.
: Do not adjust.
Setting item Variable range Initial setting value
RF AFC ON / OFF ON
FINE −77 ~ +77 xx
●RF AFC CHK
: Do not adjust.
Setting item Variable range Initial setting value
I2C BUS ON / OFF ON (Fixed to ON)
●I2C BUS CTRL

AV-14F1P
No. 5608416
ADJUSTMENTS
B1 POWER SUPPLY CHECK
Description
1. Receive a cross-hatch signal.
2. While watching the screen, adjust the FOCUS VR to make the
vertical and horizontal lines as fine and sharp as possible.
3. Make sure that, when the screen is darkened, the lines remain
in good focus.
Measuring
Item Test point Adjustment part
instrument
Adjustment Signal FOCUS VR
of FOCUS generator [In HVT]
FOCUS ADJUSTMENT
Description
1. Receive a black and white signal (color off). (NTSC)
2. Connect a DC voltmeter between B1 (TP-91) and TP-E (")
(between pins 1 and 3 of the connector B1).
3. Make sure that the voltage is DC134.5 ±2.0V.
Measuring
Item Test point Adjustment part
instrument
Check of ●Signal B1 (TP-91)
B1 POWER Generator TP-E (""
""
")
SUPPLY ●DC [B1
voltmeter connector]
Measuring
Item Test point Adjustment part
instrument
Adjustment ●Signal CW TRANSF.
VCO (CW) Generator (T111)
●Remote
control unit [MAIN PWB]
Description
●Under normal conditions, no adjustment is required.
1. Receive any broadcast. (Use a channel without offset fre-
quency.)
2. Select the sub menu screen VCO (CW) from the SERVICE
MENU. (More specifically, in the SERVICE MENU, press the
MENU1/4key to select VCO (CW) and then press the MENU
2/3key to enter the sub menu screen VCO (CW) .)
3. Confirm that thecolorof "TOOHIGH" and "TOO LOW"changes
in yellow as you turn the CW TRANSF.At this time, check that
"SYNC: YES" appears on the screen.
4. Slowly turn the CW TRANSF. until "BELOW REFERENCE"
changes to yellow. Also, at this time, check that "SYNC: YES"
appears on the screen.
5. Press the EXIT key to return to the normal screen.
IF VCO ADJUSTMENT
TOO HIGH
ABOVE REFERENCE
BELOW REFERENCE
TOO LOW
SYNC : YES
EXIT BY
IT
EXIT
SUB MENU: VCO (CW)
YELLOW
Description
1. Receive any broadcast.
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 60. RF AGC with the MENU 1/4key.
4. Press the MUTING key to turn off the color.
5. Press the MENU 2key to get noise on the screen picture. (The
setting value will be decreased.)
6. Press the MENU 3key until noise disappears from the screen.
7. Change to other channels and make sure that there is no ir-
regularity on the screen picture.
8. Press the MUTING key to turn on the color.
Measuring
Item Test point Adjustment part
instrument
Adjustment Remote 60. RF AGC
of RF AGC control unit
RF AGC ADJUSTMENT

AV-14F1P
No. 56084 17
Description
(60Hz)
1. Receive a cross-hatch signal. (NTSC or PAL-M)
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 56. V POS. 60 with the MENU 1/4key, and confirm that
the setting value is 0.
NOTE: The value of 56. V POS. 60 should be fixed to 0.
4. Confirm the initial setting value of 57. V SIZE60, 58. V S CR60,
and 59. V. LIN. 60.
5. Adjust 57. V SIZE60 and make the vertical screen size 92% of
the picture size, with the MENU 2/3key.
6. Adjust 59. V. LIN. 60 and 58. V S CR60 to get the best vertical
linearity, with the MENU 2/3key.
(50Hz)
1. Receive a cross-hatch signal. (PAL-N)
2. In the sub menu screen PICTURE, select 50. V POS. 50, 51. V
SIZE50, 52. V S CR50, and 53. V. LIN. 50 with the MENU 1/4
key, and confirm their initial setting values.
3. Adjust 51. V SIZE 50 and make the vertical screen size 92% of
the picture size, with the MENU 2/3key.
4. Adjust 53. V. LIN. 50 and 52.V S CR50 to get the best vertical
linearity, with the MENU 2/3key.
5. Adjust 50. V POS. 50 so that the vertical center line comes
close to the CRT vertical center as much as possible, with the
MENU 2/3key.
●Readjust V SIZE, V. LIN, V S CR if necessary.
(60Hz)
1. Receive a cross-hatch signal. (NTSC or PAL-M)
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 54. H POS.60 with the MENU 1/4key.
4. Confirm the initial setting value of 54. H POS.60.
5. Adjust 54. H POS.60 so that the screen will be horizontally cen-
tered, with the MENU 2/3key.
(50Hz)
1. Receive a cross-hatch signal. (PAL-N)
2. In the sub menu screen PICTURE, select 48. H POS.50 with
the MENU 1/4key.
3. Confirm the initial setting value of 48. H POS.50.
4. Adjust 48. H POS.50 so that the screen will be horizontally cen-
tered, with the MENU 2/3key.
Measuring
Item Test point Adjustment part
instrument
Adjustment ●Signal 56. V POS. 60
of generator 57. V SIZE60
V. HEIGHT 58. V S CR60
V. POSITION ●Remote 59. V. LIN. 60
V. LIN. control
V. S CR unit
50. V POS. 50
51. V SIZE50
52. V S CR50
53. V. LIN. 50
Adjustment ●Signal 54. H POS.60
of generator
H. POSITION ●Remote
control
unit
48. H POS.50
Screen size
Screen
size
92%
Picture size 100%
Picture
size
100%
DEFLECTION CIRCUIT ADJUSTMENT
The setting (adjustment) using the remote control unit is made on the basis of the initial setting values shown on page 14.
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
●Do not change the initial setting values of the setting (adjustment) items not listed herein.

AV-14F1P
No. 5608418
VIDEO/CHROMA CIRCUIT ADJUSTMENT
The setting (adjustment) using the remote control unit is made on the basis of the initial setting values shown on pages 14 and
15.
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
●Do not change the initial setting values of the setting (adjustment) items not listed herein.
Measuring
Item Test point Adjustment part
instrument
Adjustment ●Signal BRIGHT
of WHITE generator
BALANCE R CUTOFF
(Low light) ●Remote G CUTOFF
control B CUTOFF
unit SCREEN VR
(In HVT)
Adjustment ●Signal G DRIVE
of WHITE generator B DRIVE
BALANCE
(High light) ●Remote
control
unit
Description
1. Receive a black and white signal (color off).
2. Select the sub menu screen LOW LIGHT from the SERVICE
MENU.
3. Confirm that the value of BRIGHT, R CUTOFF, G CUTOFF,
and B CUTOFF is set to the initial setting value.
4. Press the 1key on the remote control unit to produce a single
horizontal line.
5. Turn the SCREEN VR fully counterclockwise, then slowly turn
it clockwise to where a red, blue, or green color is faintly vis-
ible.
6. Use keys 4~ 9on the remote control unit and adjust the other
2 colors to where the single horizontal line becomes white.
7. Turn the SCREEN VR to where the single horizontal line glows
faintly.
8. Press the 2key to stop producing a single horizontal line.
NOTE: The key 3acts in the same way as the EXIT key.
1. Receive a black and white signal (color off).
2. Select the sub menu screen HIGH LIGHT from the SERVICE
MENU.
3. Confirm that the value of G DRIVE and B DRIVE is set to the
initial setting value.
4. Use the keys 5and 8or 6and 9to produce a white screen.
NOTE: The key 3acts in the same way as the EXIT key.
BRIGHT ✽✽✽
✽✽✽ ✽✽✽
✽✽✽
BRIGHT EXIT BY IT
EXIT
SUB MENU: LOW LIGHT
BRIGHT
B CUTOFF
G CUTOFF
R CUTOFF
B DRIVE
HIGH LIGHT
✽✽✽ ✽✽✽
EXIT BY
IT
EXIT
SUB MENU: HIGH LIGHT
G DRIVE
R. DRIVE ( )
R. DRIVE ( )
B. DRIVE ( )
B. DRIVE ( )
REMOTE CONTROL UNIT
12 3
4
789
56
R. CUTOFF ( )
G. CUTOFF ( )
H.LINE OFF
H.LINE ON
12 3
4
789
56
R. CUTOFF ( )
G. CUTOFF ( )
B. CUTOFF ( )
B. CUTOFF ( )
REMOTE CONTROL UNIT

AV-14F1P
No. 56084 19
Measuring
Item Test point Adjustment part
instrument
Adjustment Remote 2. BRIGHT
of control unit
SUB
BRIGHT
Adjustment Remote 1. PICTURE
of control unit
SUB CONT.
Adjustment Remote
of control unit
SUB
COLOR -I3. COL. PALM
4. COL. PALN
5. COL. NTSC
Description
1. Receive any broadcast.
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 2. BRIGHT with the MENU 1/4key, and confirm its
initial setting value.
4. If the brightness is not the best with the initial set value, make
fineadjustment until you getthebest brightness, with the MENU
2/3key.
1. Receive any broadcast.
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 1. PICTURE with the MENU 1/4key, and confirm its
initial setting value.
4. If the contrast is not the best with the initial set value, make
fine adjustment until you get the best contrast, with the MENU
2/3key.
[Method of adjustment without measuring instrument]
(PAL-M COLOR)
1. Receive a PAL-M broadcast.
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 3. COL. PALM with the MENU 1/4key, and confirm its
initial setting value.
4. If the color is not the best with the initial set value, make fine
adjustment until you get the best color, with the MENU 2/3
key.
(PAL-N COLOR)
1. Receive a PAL-N broadcast.
2. In the sub menu screen PICTURE, select 4. COL. PALN with
the MENU 1/4key, and confirm its initial setting value.
3. If the color is not the best with the initial set value, make fine
adjustment until you get the best color, with the MENU 2/3
key.
(NTSC COLOR)
1. Receive a NTSC broadcast.
2. In the sub menu screen PICTURE, select 5. COL. NTSC with
the MENU 1/4key, and confirm its initial setting value.
3. If the color is not the best with the initial set value, make fine
adjustment until you get the best color, with the MENU 2/3
key.

AV-14F1P
No. 5608420
Measuring
Item Test point Adjustment part
instrument
Adjustment ●Signal TP-47B
of SUB generator TP-E (""
""
")
COLOR-II [CRT
●Oscillo- SOCKET 3. COL. PALM
scope PWB]
●Remote
control
unit
4. COL. PALN
5. COL. NTSC
Adjustment ●Signal 6. TINT
of Generator
SUB TINT-I●Remote
control
unit
Description
[Method of adjustment using measuring instrument]
(PAL-M COLOR)
1. Receive a PAL-M full field color bar signal (75% white).
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 3. COL. PALM with the MENU 1/4key, and confirm
its initial setting value.
4. Connect the oscilloscope between TP-47B and TP-E.
5. Adjust 3. COL. PALM to set the value (A) in the figure to +10V
(W & B), with the MENU 2/3key.
(PAL-N COLOR)
1. Receive a PAL-N full field color bar signal (75% white).
2. In the sub menu screen PICTURE, select 4. COL. PALN with
the MENU 1/4key, and confirm its initial setting value.
3. Connect the oscilloscope between TP-47B and TP-E.
4. Adjust 4. COL. PALN to set the value (A) in the figure to +8V
(W & B), with the MENU 2/3key.
(NTSC COLOR)
1. Receive a NTSC full field color bar signal (75% white).
2. In the sub menu screen PICTURE, select 5. COL. NTSC with
the MENU 1/4key, and confirm its initial setting value.
3. Connect the oscilloscope between TP-47B and TP-E.
4. Adjust 5. COL. NTSC to set the value (A) in the figure to +8V
(W & B), with the MENU 2/3key.
[Method of adjustment without measuring instrument]
1. Receive a NTSC color bar signal.
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 6. TINT with the MENU 1/4key, and confirm its initial
setting value.
4. If the tint is not the best with the initial set value, make fine
adjustment until you get the best tint, with the MENU 2/3key.
Mg
B
(−)
0V
(+)
R
Cy
Y
W
G
(A)