JVC HV-L29PRO User manual

No.51828
HV-L29PRO
1COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD.
A
ug. 2001
HV-L29PRO
HV-L29PRO/HK
HV-L29PRO/-A
HV-L29PRO/AU
HV-L29PRO/EE
CONTENTS
!SPECIFICATIONS ････････････････････
････････････････････････････････････････
････････････････････ 2
!SAFETY PRECAUTIONS ･･････････････
････････････････････････････
･･････････････ 3
!MAIN DIFFERENCE LIST ･･････････････
････････････････････････････
･･････････････ 4
!FEATURES･･････････････････････････
････････････････････････････････････････････････････
･･････････････････････････ 4
!FUNCTIONS･････････････････････････
･･････････････････････････････････････････････････
･････････････････････････ 6
!SPECIFIC SERVICE INSTRUCTIONS････
････････
････ 8
!SERVICE ADJUSTMENTS････････････
････････････････････････
････････････ 14
!PARTS LIST ･･･････････････････････
･･････････････････････････････････････････････
･･･････････････････････ 37
★OPERATING INSTRUCTIONS
★STANDARD CIRCUIT DIAGRAM･･･････
･･････････････
･･･････ 2-1
SERVICE MANUAL
COLOUR TELEVISION
BASIC CHASSIS
MF
MC-Service

No.51828
HV-L29PRO
2
SPECIFICATIONS
Item Content
Dimensions ( W×
××
×H×
××
×D ) 73.2cm×58.8cm×51.8cm
Mass 48.0kg
TV RF System B/G, I, D/K, K1, M
Colour System PAL / SECAM / NTSC 3.58 / NTSC 4.43
Stereo System A2 (B/G) / NICAM (B/G, I, D/K, K1)
Teletext System Fastext (UK system) *[
*Without TEXT mode : HV-L29PRO/HK ]
WST(world standard Texst)
VL 46.25MHz ～168.25MHz
VH 175.25MHz ～463.25MHz
Receiving
Frequency UHF
CATV 471.25MHz ～863.25MHz
Mid (X～Z+2, S1～S10), Super (S11～S20) & Hyper (S21～S41)
VIF 38.0MHz
Intermediate
Frequency SIF 32.5MHz(5.5MHz) / 32.0MHz(6.0MHz) / 3.15MHz(6.5MHz) / 33.5MHz (4.5MHz)
PAL 4.43MHz
SECAM 4.40625MHz / 4.25MHz
Colour Sub Carrier
Frequency NTSC 3.58MHz / 4.43MHz
Power Input AC 110V～240V , 50/60Hz
Power Consumption Max 254W / Avg. 170W
Aerial Input Term 75Ωunbalanced, Coaxial
Picture Tube 29”(68cm) measured diagonally
High Voltage 31.5kV (At zero beam current )
Audio Power Output 20W + 20W
Speaker φ10cm Round type×2 / φ3.5cm Round type×2
Video 1Vp-p 75Ω
Audio(L/R) 500mVrms(-4dBs), High Impedance
Input
Terminal S / Video Y : 1V(p-p) Positive (Negative sync provided) 75Ω
C : 0.286V(p-p) (burst signal), 75Ω
Component Cb/Cr Y : 1V(p-p), 75Ω
Cb : B-Y 0.7V(p-p), 75Ω/ Cr : R-Y 0.7V(p-p), 75Ω
Output Video 1V(p-p) 75Ω
Terminal Audio(L/R) 500mVrms(-4dBs), Low Impedance
AV Compulink Mono mini jack (φ3.5mm )
Headphone jack Stereo mini jack (φ3.5mm )
Remote Control Unit RM-C214 (AA/R06 / UM-3 , Dry cell battery×2)
: HV-L29PRO / HV-L29PRO/-A / HV-L29PRO/AU & HV-L29PRO/EE
RM-C215 (AA/R06 / UM-3 , Dry cell battery×2) : HV-L29PRO/HK
Design & specifications are subject to change without notice.
+1.0kV
-1.5kV

No.51828
HV-L29PRO
3
SAFETY PRECAUTIONS
1. The design of this product contains special hardware, many
circuits and components specially for safety purposes. For
continued protection, no changes should be made to the original
design unless authorized in writing by the manufacturer.
Replacement 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 manufacturer
of responsibility for personal injury or property damage resulting
therefrom.
3. Many electrical and mechanical parts in the products have
special safety-related characteristics. These characteristics are
often not evident from visual inspection nor can the protection
afforded by them necessarily be obtained by using replacement
components rated for higher voltage, wattage, etc. Replacement
parts which have these special safety characteristics are
identified in the parts list of Service manual. Electrical
components having such features are identified by shading
on the schematics and by (!
!!
!) on the parts list in Service
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
repairing.
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
ISOLATED(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 broken.
5. If any repair has been made to the chassis, it is recommended
that the B1 setting should be checked or adjusted (See
ADJUSTMENT 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
component damage, therefore operation under excessive high
voltage conditions should be kept to a minimum, or should be
prevented. If severe arcing occurs, remove the AC power
immediately and determine the cause by visual inspection
(incorrect installation, cracked or melted high voltage harness,
poor soldering, etc.). To maintain the proper minimum level of
soft X-Ray emission, components in the high voltage circuitry
including the picture tube must be the exact replacements or
alternatives approved by the manufacturer of the complete
product.
7. Do not check high voltage by drawing an arc. Use a high voltage
meter or a high voltage probe with a VTVM. Discharge the
picture tube before attempting meter connection, by connecting
a clip lead to the ground frame and connecting the other end of
the lead through a 10k!2W resistor to the anode button.
8. When service is required, observe the original lead dress. Extra
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
components.
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
terminals, video/audio input and output terminals, Control knobs,
metal cabinet, screwheads, earphone jack, control shafts, etc.)
to be sure the product is safe to operate without danger of
electrical shock.
(1) Dielectric Strength Test
The isolation between the AC primary circuit and all metal parts
exposed to the user, particularly any exposed metal part having 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 1100V AC (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 exposed
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
0.5mA AC (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 voltmeter
having 1000 ohms per volt or more sensitivity in the following
manner. Connect a 1500!10W resistor paralleled by a 0.15"F
AC-type capacitor between an exposed metal part and a known
good earth ground (water pipe, etc.). Measure the AC 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 voltage measured
must not exceed 0.75V AC (r.m.s.). This corresponds to 0.5mA
AC (r.m.s.).
However, in tropical area, this must not exceed 0.3V AC (r.m.s.).
This corresponds to 0.2mA AC (r.m.s.).
0.15
μ
F AC-TYPE
1500
!
10W
GOOD EARTH GROUND
PLACE THIS PROBE
ON EACH EXPOSED
METAL PART
AC VOLTMETER
(HAVING 1000
!
/V,
OR MORE SENSITIVITY)

No. 51828
HV-L29PRO
4
MAIN DIFFERENCE PART LIST
!
!!
!Model name
Part name HV-L29PRO HV-L29PRO/HK HV-L29PRO/-A HV-L29PRO/AU HV-L29PRO/EE
MICON PWB SMF0M601A-H2 SMF0M602A-H2 SMF0M603A-H2 SMF0M601A-H2 SMF0M604A-H2
!POWER CORD QMP40D0-200J5 QMPN050-200-E2 QMPR010-200-E2 QMP2980-185J5 QMP40D0-200J5
!RATING LABEL LC20377-001B-H LC20377-012B-H LC20413-002B-H LC20377-013B-H LC20377-009B-H
!REMOTE CONTROL UNIT RM-C214-1C RM-C215-1C RM-C214-1C
!DIGEST MANUAL ××
LCT0957-001A-H ××
!CONVERSION PLUG ××
QAM0055-001 ××
WARRANTY CARD ×××
BT-56001-2 BT-54012-2
S CENTER LIST ×××
BT-56002-2 ×
FEATURES
"New chassis design enable use of an interactive on screen
control.
"The TELETEXT SYSTEM has a built-in FASTEXT (UK system),
and WST (world standard system) system.
*Except HV-L29PRO/HK.
"Pure FLAT CRT reproduce fine textured.
"Digi Pure pro : Auto digi pure with motion picture compensation.
"Because this TV unit corresponds to multiplex broadcast, users
can enjoy music programs and sporting events with live realism.
In addition, BILINGUAL programs can be heard in their original
language.
"Built-in ECO (ECONOMY, ECOLOGY) MODE.
In accordance with the brightness in a room, the brightness
and/or contrast of the picture can be adjusted automatically to
make the optimum picture which is easy on the eye.
MC-Service

No. 51828
HV-L29PRO
5
SYSTEM BLOCK DIAGRAM
IC001
MICRO COMPUTER
SDA 0
SCL
0
IC004
MEMORY
IC301
DEF & RGB
PROCESSOR
TU001
TUNER
IC101
VIDEO PROCESS
&
CODEC MAIN
IC151
VIDEO PROCESS
&
CODEC SUB
IC201
SAMPLE RATE
CONVERTER
IC301
ENHANCE
IC701
BBE CONTROL
IC101
MULTI SOUND
PROCESSOR
IC301
SYNC SEP PWB
IC101
SW
TU001
TUNER
MAIN PWB
SDA 1
SCL
1
SDA 2
SCL 2
SYNC SEP PWB 100Hz PWB
AV SW PWB
MICON PWB

No. 51828
HV-L29PRO
6
FUNCTIONS
■
■■
■Front Terminal & Control
■
■■
■Rear Terminal
1HEADPHONE jack 7SENCER (Remote Control & ECO)
2VIDEO-4 terminal (S-VIDEO / VIDEO / L/MONO / R) 8SPATIALIZER LAMP
3MENU/OK Button 9ECO LAMP
4CHANNEL -/+ (MENU UP/DOWN) Button APOWER LAMP
5VOLUME -/+ (MENU LEFT/RIGHT) Button BPOWER SW Button
6TV/VIDEO / EXIT Button
1VIDEO-1 (INPUT) terminal (S, V, L, R)
2VIDEO-2 (INPUT) terminal (V, L, R)
3VIDEO-3 (INPUT) terminal (V/Y, Cb, Cr, L, R)
/ COMPONENT
4OUTPUT (AUDIO/VIDEO) terminal (V, L, R)
5AV COMPULINK terminal
6AERIAL socket

No. 51828
HV-L29PRO
7
■
■■
■Remote Control Unit
1POWER Key
2BASS Key
3SPATIALIZER Key
4TV/VIDEO Key
5PICTURE MODE Key
6ZOOM Key
7CHANNEL Key
8-/-- Key
9RETURN + Key
AMULTI Key
BVOLUME +/- Key
CCHANNEL +/- Key
DMUTING Key
EPIP MODE
FPIP Key
GPOSITION Key
HFREEZE Key
ISUB P (PIP)+&- Key
JNEXT Key
KSWAP Key
LSTROBE Key
MDISPLAY Key
NSTEREO Ⅰ/ⅡKey
: Stereo / : Mono
Ⅰ: Bilingual (subⅠ)
Ⅱ: Bilingual (subⅡ)
OFUNCTION Key(▲/▼&/ )
PMENU/OK Key
QCOLOUR Key
RCOLOUR SYSTEM Key
SSOUND SYSTEM Key
UTELETEXT Key
(Without HV-L29PRO/HK)
MC-Service

No.51828
HV-L29PRO
8
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Unplug the power cord.
2. Remove the 16 screws marked !
!!
!as shown in the Fig. 1.
3. Withdraw the rear cover toward you.
REMOVING THE AV TERMINAL BOARD
"After removing the rear cover.
1. Remove the 5 screws marked "
""
"as shown in the Fig. 1.
2. Withdraw the AV terminal board toward you.
REMOVING THE CHASSIS
"After removing the rear cover.
1. Slightly raise the both sides of the chassis by hand and remove
the 2 claws under the both sides of the chassis from the front
cabinet.
2. Withdraw the chassis backward.
(If necessary, take off the wire clamp, connectors etc.)
REMOVING THE DOME SPEAKER BOX / SPEAKER
"After removing the rear cover.
1. As shown in Fig. 1, remove the 2 screws marked #
##
#, then
remove the dome speaker box.
2. Remove the 5 screws marked $
$$
$as shown in the Fig.2, then
remove the dome box.
3. Remove the 4 screws marked %
%%
%as shown in the Fig.2, then
remove the HONE RING.
4. Remove the 4 screws marked &
&&
&as shown in the Fig.2, then
remove the speaker.
5. Follow the same steps when removing the other hand dome
speaker box / speaker.
NOTE : When removing the screws marked #
##
#of the dome speaker
box, remove the lower side screw first, and then remove the
upper one.
REMOVING THE TWEETER SPEAKER
"After removing the rear cover.
1. As shown in Fig. 2, remove the many screws from HONE side,
then remove the tweeter speaker screws to remove it.
CHECKING THE PW BOARD
To check the back side of the PW Board.
1) Pull out the chassis. (Refer to REMOVING THE CHASSIS).
2) Erect the chassis vertically so that you can easily check the
back side of the PW Board.
[CAUTION]
"When erecting the chassis, be careful so that there will be no
contacting with other PW Board.
"Before turning on power, make sure that the wire connector is
properly connected.
"When conducting a check with power supplied, besure to confirm
that the CRT EARTH WIRE (BRAIDED ASS’Y) is connected to
the CRT SOCKET PW board.
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.
Fig. 2
DOME SPEAKER BOX
SPEAKER
SPEAKER
(Tweeter)
F
(×4)
(×5)
D
DOME BOX
HORN
RING
E
(×4)
HORN
HORN
PANEL

No.51828
HV-L29PRO
9
FRONT CABINET
CRT
SOCKET
PWB
POWER & DEF
PWB
CLAW
CLAW
MAIN PWB
CONTROL
BASE
Fig. 1
A
V SW PWB
B
A
C
DOME
SPEAKER BOX
(×5)
100Hz
PWB
(×15)
POWER CORD
FRONT
CONTROL
PWB (R)
C
MICON
PWB
CONTROL
BASE
FRONT
CONTROL
PWB (L)
DOME
SPEAKER BOX
REAR COVER
CHASSIS
AV
TERMINAL
BLK
PWB

No. 51828
HV-L29PRO
10
REMOVING THE CRT
#Replacement of the CRT should be performed by 2 or more
persons.
$After removing the cover, chassis etc.,
1. Putting the CRT change table on soft cloth, the CRT change table
should also be covered with such soft cloth (shown in Fig.3).
2. While keeping the surface of CRT down, mount the TV set on the
CRT change table balanced will as shown in Fig.4.
3. Remove 4 screws marked by arrows with a box type screw driver
as shown in Fig.4.
$Since the cabinet will drop when screws have been removed, be
sure to support the cabinet with hands.
4. After 4 screws have been removed, put the cabinet slowly on
cloth (At this time, be carefully so as not to damage the front
surface of the cabinet) shown in Fig.5.
$The CRT should be assembled according to the opposite
sequence of its dismounting steps.
#The CRT change table should preferably be smaller that the CRT
surface, and its height be about 35cm. (Fig.3)
#About CRT Spacer (Fig.4)
An appropriate CRT spacer should be used in the corresponding
CRT in accordance with the type of the CRT.
When a CRT is replaced, special attention should be paid to this
matter.
COATING OF SILICON GREASE FOR ELECTRICAL
INSULATION ON THE CRT ANODE CAP SECTION.
$Subsequent to replacement of the CRT and HV transformer or
repair of the anode cap, etc. by dismounting them, be sure to
coat silicon grease for electrical insulation as shown in Fig.6.
Wipe around the anode button with clean and dry cloth. (Fig.6)
Coat silicon grease on the section around the anode button. At
this time, take care so that any silicon greases dose not stick to
the anode button. (Fig.7)
★
★★
★Silicon grease product No. KS - 650N
CRT CHANGE TABLE
CLOTH
A
PPROX.
35cm
Fig. 3
Fig. 6 Fig. 7
A
pprox.
20mm (Do not
coat grease on
this section
Silicon grease
should be coated
by 5mm or more
from the outside
diameter of
anode cap.
A
node button
(No sticking of
silicon grease) Coating position
of silicon grease
A
node cap
A
node button
CRT
Silicon grease
coating
Fig. 5
CRT
CABINET CRT
CHANGE TABLE
Fig. 4
MC-Service

No. 51828
HV-L29PRO
11
REPLACEMENT OF MEMORY ICs
1. Memory ICs
This TV use memory ICs. In the memory ICs, there are memorized data
for correctly operating the video and deflection circuits. When replacing
memory ICs, be sure to use ICs written with the initial values of data.
2. Procedure for replacing memory ICs
(1) Power off
Switch the power off and unplug the power cord from the wall outlet.
(2) Replace ICs.
Be sure to use memory ICs 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 set SYSTEM CONSTANT SET:
*
**
* It must not adjust without signal.
1) Press the DISPLAY key and the PICTURE TUBE key of the REMOTE CONTROL UNIT simultaneously.
2) The SERVICE MENU screen of Fig. 1 will be displayed.
3) While the SERVICE MENU is displayed, press the DISPLAY key and PICTURE TUBE key simultaneously, and the SYSTEM
CONSTANT SET screen of Fig. 2 will be displayed.
4) Check the setting values of the SYSTEM CONSTANT SET of Table 1. If the value is different, select the setting item with the
FUNCTION UP/DOWN key, and set the correct value with the FUNCTION -/+ key.
5) Press the MENU(OK) key to memorize the setting value.
6) Press the INFORMATION key, and return to the normal screen.
(5) Setting of receive channels
Set the receive channel.
For setting, refer to the OPERATING INSTRUCTIONS.
(6) Setting of SERVICE MENU
Verify the setting items of the SERVICE MENU of Table 2, and
reset where necessary.
For setting, refer to the SERVICE ADJUSTMENTS.
(7) User settings
Check the user setting values of Table 3, and if setting value is
different, set the correct value.
For setting, refer to the OPERATING INSTRUCTIONS.
SERVICE MENU
1. IF 2. V/C
3. AUDIO 4. DEF
5. VSM PRESET 6. STATUS
7. PIP 8. WB PRESET
9. SHIPPING(OFF) 0. BUS FREE
1-0 : SELECT DISP : EXIT
Fig.1
SYSTEM CONSTANT SET
+ : STORE DISP : EXIT
1. TEXT
**
OK
Fig.2
2. BLUE BACK MENU
3. E.M.C
4. WHITE BACK
5. COLOUR AUTO
6. PICTURE TILT
**
**
**
**
**
PICTURE
CONTENTS
key
PIP key
MENU/OK key
FUNCTION key
(UP/DOWN &
LEFT/RIGHT key)
SETTING ITEM
SELECT key
(Numbers key)
SERVICE
MENU/
&SYSTEM
CONSTANT
key
MEMORY
(STORE)
key
SERVICE MENU KEY
ZOOM
(ASPECT)
key

No. 51828
HV-L29PRO
12
SETTING VALUES OF SYSTEM CONSTANT SET (TABLE 1)
MODEL No.
Setting item HV-L29PRO HV-L29PRO/-A HV-L29PRO/HK HV-L29PRO/AU HV-L29PRO/EE
1. TEXT YES YES NO YES YES
2. BLUE BACK MUTE NO ↑↑ NO NO
3. E. M. C ↑NO ↑↑↑
4. WHITE BACK ↑↑↑↑↑
5. COLOUR AUTO ↑YES ↑↑↑
6. PICTURE TILT YES ↑YES YES YES
SERVICE MENU SETTING ITEMS (TABLE 2)
Setting item Setting value Setting item Setting value
1. IF 1. VCO
2. ATT ON / OFF 5. VSM PRESET
BRIGHT
STANDARD
SOFT
1. CONT.
2. BRIGHT
3. SHARP
4. COLOUR
5. TINT
2. V / C 1. RGB BLK
2. WDR R
3. WDR G
4. WDR B
5. BRIGHT
6. CONTRAST
7. COLOUR
8. TINT
9. SHARP
10. VCO ADJ.
11. VID ADJ.
12. SYNC SLICE
13. A MOVIE
6. STATUS
(Do not adjust) 1. SOFT
2. TELETEXT
3. ASPECT
3. AUDIO
(Do not adjust) 1. ERR LIMIT
2. A2 ID THR
3. QUASI
7. PIP 1. PIP VCO ADJ
2. PIP VID AGC
3. PIP SYNC SLICE
4. DEF. 1. V-SHIFT
2. V-SIZE
3. H-CENT
4. H-SIZE
5. TRAPEZ
6. EW-PIN
7. COR-PIN
8. COR-UP
9. COR-LO
10. ANGLE
11. BOW
12. V-S.CR
13. V.LIN
14. V.BLK-UP
8. WB PRESET 1. WDR R
2. WDR G
3. WDR B
MC-Service

No. 51828
HV-L29PRO
13
USER SETTING VALUES (TABLE 3)
Setting item Setting value Setting item Setting value
MAIN POWER SW OFF SUB POWER ON
SHIPPING CHANNEL PR1 DISPLAY INDICATED
PRESET CHANNEL See ; OPERATING
INSTRUCTIONS. VOLUME LEVEL 10
PICTURE SETTING INSTALL
PICTURE MODE BRIGHT LANGUAGE ENGLISH
WHITE MODE COOL EDIT "PRESET CHANNEL ONLY
ECO MODE OFF "OTHER : NON (SPACE)
PICTURE FEATURES FEATURES
DIGITAL VNR AUTO SLEEP TIMER OFF
DIGIPURE PRO AUTO BLUE BACK ON
COLOUR SYSTEM "TV : Depends on PR/CH AUTO SHUT OFF OFF
"EXT : AUTO VIDEO-3 SETTING COMPONENT
ZOOM REGULAR CHILD LOCK OFF (for all the channels)
PICTURE TILT CENTER CHANNEL GUARD ALL CH : OFF
SOUND
BASS CENTER BEE ON
TREBLE CENTER SUPER BASS ON
BALANCE CENTER AI VOLUME ON
SPATIALIZER OFF

No. 51828
HV-L29PRO
14
SERVICE ADJUSTMENTS
BEFORE STARTING SERVICE ADJUSTMENT
1. There are 2 ways of 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
condition can be different from the initial setting values.
3. Make sure that connection is correctly made to AC power
source.
4. Turn on the power of the TV and measuring instrument for
warming up for at least 30 minutes before starting adjustment.
5. If the receive or input signal is not specified, use the most
appropriate signal for adjustment.
6. Never touch parts (such as variable resistors, transformers and
condensers) 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:
"Setting position
PICTURE MODE (VSM) STANDARD
SLEEP TIMER OFF
BALANCE CENTER
ECO OFF
ZOOM REGULAR
MEASURING INSTRUMENT AND FIXTURES
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Signal generator (Pattern generator) [PAL / SECAM / NTSC]
4. Remote control unit
ADJUSTMENT ITEMS
●Checking items.
●Adjustment of FOCUS.
●VSM preset setting.
●VIDEO / CHROMA circuit adjustment.
●DEFLECTION circuit adjustment.
●AUDIO circuit adjustment. (Do not adjust)
MC-Service

No. 51828
HV-L29PRO
15
ADJUSTMENT LOCATIONS
MAIN PWB POWER&DEF PWB
WDEG
1pin:B1(TP-91)
2pin:NC
3pin:X-RAY
4pin:X-RAY
5pin:GND
5
1
X
FRONT CONTROL PWB (R)
FRONT
HV
CN014
FRONT CONTROL PWB (L)
HVT
MICON PWB
100Hz PWB
ANT-IN
FRONT
FRONT
HEAD
PHONE
J
F
CH DOWN
MENU/
OK
CH UP
IN (VIDEO-4)
R4 L4 V4 S IN
TV/VIDEO EXT
VOL UP
VOL DOWN
F901
Power cord
POWER SW
ECO SPETIALIZER
C901
LF901
CDS
Speaker
SYNC
PWB
TUNER 2
CN003
CN007
CN013
C1
CN001
CN004
CN005
CN006
TUNER
F
F. CONT.(L) PWB
S
IN
R3
CN002
CN111
CN002
To AV SW PWB
TOP
AV SW PWB
SCREEN
VR
FOCUS 1
VR
CRT SOCKET
PWB
(SOLDER SIDE)
VM
VR
FOCUS-2
TP-E
TP-47B
VM
CN013
TP-Y
CN014
E1
CRT
YV
(VR1)
XV COIL
YHC
(VR2)
FRONT
PW
WJ
FRONT
BLK PWB
POWER

No. 51828
HV-L29PRO
16
BASIC OPERATION 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
(adjustments):
(1) 1. IF ･･････････････････････････････ This mode adjusts the setting values of the IF circuit.
(2) 2.V/C ･････････････････････････････ This mode adjusts the setting values of the VIDEO / CHROMA circuit.
(3) 3.AUDIO ･･････････････････････････ This mode adjusts the setting values of the SOUND circuit. (Do not adjust)
(4) 4.DEF･････････････････････････････ This mode adjusts the setting values of the DEFLECTION circuit for each aspect mode given
below.
(5) 5.VSM PRESET ････････････････････ This mode adjusts the initial setting values of Bright, Standard & soft.
(VSM : Video Status Memory)
(6) 6.STATUS･････････････････････････ It is no requirement to adjustment.
(7) 7.PIP ･････････････････････････････ This mode adjusts the setting values of the PIP circuit. (PIP : Picture In Picture)
(8) 8.WB PRESET ･････････････････････ This mode adjusts the setting values of the WHITE BALANCE.
(9) 9.SHIPPING(OFF) ･･････････････････ This mode adjusts the setting values of the channel presettings.
If you turn the SHIPPING position set ON.
This setting becomes channel presetting automatically.
Also you turn theTV power off, this setting become OFF position automatically.
(10) 0.BUS FREE･･････････････････････ It is not requirement to adjustment.
ZOOM (ASPECT) V. FREQ.
REGULAR 100Hzi / 60HzP
ZOOM ↑
16 : 9 ↑
MC-Service

No. 51828
HV-L29PRO
17
3. BASIC OPERATION OF SERVICE MENU
(1) How to enter SERVICE MENU
Press the PICTURE MODE key and the DISPLAY key of the
REMOTE CONTROL UNIT simultaneously, and the SERVICE
MENU screen of Fig. 1 will be displayed.
(2) Selection of SUB MENU SCREEN
Press one of keys 1～0 of the REMOTE CONTROL UNIT and
select the SERVICE MENU SCREEN (See Fig. 3), form the
SERVICE MENU.
SERVICE MENU →SUB MENU
1. IF
2. V / C
3. AUDIO (Do not adj.)
4. DEF.
5. VSM PRESET
6. STATUS (Do not adj.)
7. PIP
8. WB PRESET
9. SHIPPING (OFF)
0. BUS FREE
SERVICE MENU
SERVICE MENU
1. IF 2. V/C
3. AUDIO 4. DEF
5. VSM PRESET 6. STATUS
7. PIP 8. WB PRESET
9. SHIPPING(OFF) 0. BUS FREE
1-0 : SELECT DISP : EXIT
Fig.1
PICTURE
CONTENTS
key
PIP key
MENU/OK key
FUNCTION key
(UP/DOWN &
LEFT/RIGHT key)
SETTING ITEM
SELECT key
(Numbers key)
SERVICE
MENU/
&SYSTEM
CONSTANT
key
MEMORY
(STORE)
key
SERVICE MENU KEY
ZOOM
(ASPECT)
key

No. 51828
HV-L29PRO
18
SERVICE MENU SCREEN
BRIGHT
STANDARD
SOFT
1. RGB BLK
2. WDR R
3. WDR G
4. WDR B
5. BRIGHT
6. CONTRAST
7. COLOUR
8. TINT
9. SHARP
10. VCO ADJ
11. VID AGC
12. SYC SLI
13. A MOVIE
1. ERR LIMIT
2. A2 ID THR
3. QUASI
Fig. 3
3. AUDIO (Do not adjust)
DEF REGULAR
***
******
***
Hz
1. V-SHIFT
4. DEF
****
(
****
)
- / + : STORE DISP : EXIT
OK
1. V-SHIFT
2. V-SIZE
3. H-CENT
4. H-SIZE
5. TRAPEZ
6. EW-PIN
7. COR-PIN
8. COR-UP
9. COR-LO
10. ANGLE
11. BOW
12. V-S.CR
13. V.LIN
14. V.BLK-UP
1. CONT.
2. BRIGHT
3. SHARP
4. COLOUR
5. TINT
V/C
1. RGB. BLK
****
2. V/C
PAL
AUDIO
1. ERR LIMIT
***
C _ AD _ BITS =
********
5. VSM PRESET
VSM PRESET STD
1.CONT
***
- / + : STORE DISP : EXIT
OK
WB PRESET
***
******
***
1. WDR R
**
8. WB PRESET
- / + : STORE DISP : EXIT
OK
PIP
1. PIP VCO ADJ
***
7. PIP
- / + : STORE DISP : EXIT
OK
AUTO
- / + : STORE DISP : EXIT
OK
1. PIP VCO ADJ
2. PIP VID AGC
3. PIP SNC SLI
6. STATUS (Do not adjust)
STATUS
1. SOFT
***
- / + : STORE DISP : EXIT
OK
1. SOFT
2. TELETEXT
3. ASPECT
- / + : STORE DISP : EXIT
OK
1. WDR R
2. WDR G
3. WDR B
IF SERVICE MENU
1. VCO
2. ATT ON / OFF
1-2 : SELECT DISP : EXIT
1. IF (CW)
VCO (CW)
***
******
***.
..
.**
****
**
MHz
MAIN SUB
TOO HIGH
ABOVE REF
JUST REF
BELOW REF
TOO LOW DISP : EXIT
IF ATT ON/OFF
**
****
**
- / + : STORE DISP : EXIT
OK
SERVICE MENU
SERVICE MENU
1. IF 2. V/C
3. AUDIO 4. DEF
5. VSM PRESET 6. STATUS
7. PIP 8. WB PRESET
9. SHIPPING(OFF) 0. BUS FREE
1-0 : SELECT DISP : EXIT
(ON or OFF)
SUB MENU
MC-Service

No. 51828
HV-L29PRO
19
(3) Method of Setting
"Method of Setting 1.IF
[VCO] ･･･････････････････････････ *It must not adjust without signal
①1 Key･････････････････････････ Select 1.IF.
②1 Key ････････････････････････ Select 1. VCO (CW)
Check the arrow position between the ABOVE REF. and BELOW REF.
③2 Key･････････････････････････ Select 2.ATT ON/OFF (Strong Electric Field : ON / Generally Electric Field : OFF)
④DISPLAY(DISP) Key････････････ Return to the SERVICE MENU screen.
"Method of setting 2.V/C, 4.DEF, 5.VSM PRESET, 7.PIP and 8.WB PRESET.
①2, 4, 5, 7 & 8 Key･･･････････････ Select one from 2. V/C, 4. DEF, 5. VSM PRESET, 7.PIP & 8.WB PRESET.
②FUNCTION UP/DOWN Key･･････ Select setting items.
③FUNCTION -/+･････････････････ Set (adjust) the setting values of the setting items.
④MENU (OK) Key ･･･････････････ Memorize the setting value.
(Before storing the setting values in memory, do not press the CH, TV, POWER ON / OFF key -
if you do, the values will not be stored in memory.)
⑤DISPLAY (DISP) Key ･･･････････ Return to the SERVICE MENU screen.
"3. AUDIO, 6. STATUS, 9. SHIPPING(OFF) & 0. BUS FREE.
It is not requirement to adjustment.
(4) Release of SERVICE MENU
1) After completing the setting, return to the SERVICE MENU, then again press the DISPLAY (DISP) key.

No. 51828
HV-L29PRO
20
ADJUSTMENT
CHECKING ITEM
Item Measuring
instrument Test point Adjustment part Description
Check of B1
Power Supply Signal Generator
DC voltmeter
Remote
Control unit
TP-91(B1)
TP-E(#
##
#)
[X connector
on POWER
DEF PWB]
1. RGB BLK 1. Receive any broadcast.
2. Press the ZOOM key and select the FULL mode.
3. Select 2. V/C from the SERVICE MENU.
4. Select 1. RGB BLK with function UP / DOWN key.
5. Press the function ( ) key to find the cut off screen (Black
screen).
6. Connect a DC voltmeter to TP-91(B1) and TP-E(#).
7. Make sure that the voltage is DC139.9 ±2.0V.
8. Press the function ( ) key to return to service menu.
Check of High
Voltage Signal Generator
DC volunteer
Remote
Control unit
CRT anode
Chassis GND
1. RGB BLK 1. Receive any broadcast.
2. Press the ZOOM key and select the FULL mode.
3. Select 2. V/C from the SERVICE MENU.
4. Select 1. RGB BLK with function UP / DOWN key.
5. Press the function ( ) key to find the cut off screen (Black
screen).
6. Connect a DC voltmeter to CRT ANODE and chassis GND.
7. Make sure that the voltage is DC 32.0kV .
8. Press the function ( ) key to return to service menu.
*Remove the probe before removing the earth clip.
Check of VCO Remote
control unit 1. VCO
2. ATT ON/OFF
"Under normal conditions, no adjustment is required.
"Confirmation adjustment.
1. Select 1.IF from the SERVICE MENU.
2. Then select 1.VCO from the IF SERVICE MENU.
3. Receive any broadcast.
4. Check the MAIN arrow ( ) position between the ABOVE REF.
and BELOW REF.
5. Press the MENU (OK) key and receive any broadcast with PIP
Button.
6. Check the SUB arrow ( ) position between the ABOVE REF
and BELOW REF.
*The arrow ( ) position means AFC voltage level.
*2. ATT ON/OFF : Generally Electric Field : OFF
: Strong Electric Field : ON
*Change the MAIN and SUB by MENU/OK key .
+1kV
-1.5kV
TOO HIGH
ABOVE REF
JUSTREF
BELOW REF
TOO LOW
DISP : EXIT
VCO
(
CW
)
****
MHz
MAIN SUB
1. VCO
2. ATT ON/OFF
DISP : EXIT
IF SERVICE MENU
1-2 : SELECT