SHARP 21G-FX10L Diagram

21G-FX10L
SERVICE MANUAL
S9914021GFX10L
COLOUR TELEVISION
Chassis No. GA8P
Chassis No. GA6
In the interests of user safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts indentical to those specified should be used.
CONTENTS
IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................................... 1-1
LOCATION OF USER’S CONTROL ...................................................................................................................... 2-1
INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................................. 3-1
SERVICE MODE ..................................................................................................................................................... 4-1
ADJUSTMENT METHOD ........................................................................................................................................ 5-1
WAVEFORMS ......................................................................................................................................................... 6-1
CHASSIS LAYOUT ................................................................................................................................................. 7-1
BLOCK DIAGRAM .................................................................................................................................................. 8-1
DESCRIPTION OF SCHEMATIC DIAGRAM .......................................................................................................... 9-1
SCHEMATIC DIAGRAMS ......................................................................................................................................10-1
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................................... 11-1
Parts Guide
21G-FX10L
Page
ELECTRICAL SPECIFICATIONS
POWER INPUT............................AC 110-220 V, 50/60 Hz
POWER RATING .....................................................89W
PICTURE SIZE .............................1,239 cm
CONVERGENCE ............................................. Magnetic
SWEEP DEFLECTION .................................. .. Magnetic
FOCUS ......................................................... Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ...................... 45.75 MHz
Sound IF Carrier Frequency ...................... 41.25 MHz
Color Sub-Carrier Frequency ......................42.17 MHz
(Nominal) AUDIO POWER
OUTPUT RATING... ...................... 3.0 W(RMS) x 2pcs
2
(192sq inch)
SPEAKER
SIZE ........................................................ 9 x 5cm, 2pcs
VOICE COIL IMPEDANCE .................16 ohm at 400 Hz
ANTENNA INPUT IMPEDANCE
VHF/UHF ........................................75 ohm Unbalanced
TUNING RANGES
VHF-Channels ................................................. 2 thru 13
UHF-Channels ................................................14 thru 69
CATV Channels ............................................. 1 thru 125
(EIA, Channel Plan U.S.A.)
Specifications are subject to change without
prior notice.
SHARP CORPORATION
This document has been published to be used for after sales service only. The contents are subject to change without notice.
21G-FX10L
TV21G-FX10LService Manual21G-FX10LMarketE
CHAPTER 1. IMPORTANT SERVICE SAFETY PRECAUTION

IMPORTANT SERVICE SAFETY PRECAUTION

Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow:
WARNING
1. For continued safety, no modification of any circuit should be attempted.
2. Disconnect AC power before servicing.
3. Semiconductor heat sinks are potential shock hazards when the chassis is operating.
4. The chassis in this receiver has two ground systems which are separated by insulating material. The non­isolated (hot) ground system is for the B+ voltage regulator circuit and the horizontal output circuit. The isolated ground system is for the low B+ DC voltages and the secondary circuit of the high voltage transformer. To prevent electrical shock use an isolation transformer between the line cord and power receptacle, when servicing this chassis.
SERVICING OF HIGH VOLTAGE SYSTEM AND PICTURE TUBE
When servicing the high voltage system, remove the static charge by connecting a 10k ohm resistor in series with an insulated wire (such as a test probe) between the pic­ture tube ground and the anode lead. (AC line cord should be disconnected from AC outlet.)
1. Picture tube in this receiver employs integral implosion protection.
2. Replace with tube of the same type number for continued safety.
3. Do not lift picture tube by the neck.
4. Handle the picture tube only when wearing shatterproof goggles and after discharging the high voltage anode completely.
X-RADIATION AND HIGH VOLTAGE LIMITS
1. Be sure all service personnel are aware of the procedures and instructions covering X-radiation. The only potential source of X-ray in current solid state TV receivers is the picture tube. However, the picture tube does not emit measurable X-Ray radiation, if the high voltage is as specified in the "High Voltage Check" instructions. It is only when high voltage is excessive that X­radiation is capable of penetrating the shell of the picture tube including the lead in the glass material. The important precaution is to keep the high voltage below the maximum level specified.
2. It is essential that servicemen have available at all times an accurate high voltage meter. The calibration of this meter should be checked periodically.
3. High voltage should always be kept at the rated value
no higher. Operation at higher voltages may cause a failure of the picture tube or high voltage circuitry and;also, under certain conditions, may produce radiation in exceeding of desirable levels.
4. When the high voltage regulator is operating properly there is no possibility of an X-radiation problem. Every time a color chassis is serviced, the brightness should be tested while monitoring the high voltage with a meter to be certain that the high voltage does not exceed the specified value and that it is regulating correctly.
5. Do not use a picture tube other than that specified or make unrecommended circuit modifications to the high voltage circuitry.
6. When trouble shooting and taking test measurements on a receiver with excessive high voltage, avoid being unnecessarily close to the receiver. Do not operate the receiver longer than is necessary to locate the cause of excessive voltage.
1 – 1
IMPORTANT SERVICE SAFETY PRECAUTION
(Continued)
BEFORE RETURNING THE RECEIVER
(Fire & Shock Hazard)
Before returning the receiver to the user, perform the following safety checks.
1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the receiver.
2. Inspect all protective devices such as non-metallic control knobs, insulating materials, cabinet backs, adjustment and compartment covers or shields, isolation resistor-capacity networks, mechanical insulators, etc.
3. To be sure that no shock hazard exists, check for leakage current in the following manner.
Plug the AC cord directly into a 110~220 volt AC outlet, (Do not use an isolation transformer for this test).
Using two clip leads, connect a 1.5k ohm, 10 watt resistor paralleled by a 0.15μF capacitor in series with all exposed metal cabinet parts and a known earth ground, such as electrical conduit or electrical ground connected to earth ground.
Use an AC voltmeter having with 5000 ohm per volt, or higher, sensitivity to measure the AC voltage drop across the resistor.
21G-FX10L
Connect the resistor connection to all exposed metal parts having a return to the chassis (antenna, metal cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage drop across the resistor. AII checks must be repeated with the AC line cord plug connection reversed. (If necessary, a non­polarized adapter plug must be used only for the purpose of completing these check.) Any current measured must not exceed 0.5 milliamp. Any measurements not within the limits outlined above indicate of a potential shock hazard and corrective action must be taken before returning the instrument to the customer.
DVM
AC SCALE
1.5k ohm 10W
SAFETY NOTICE
Many electr ical and mechanical parts in television receivers have special safety-related characteristics. These characteristics are often not evident from visual inspection, nor can protection afforded by them be necessarily increased by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this manual; electrical components having such features are identified by " and shaded areas in the Replacement Parts Lists and Schematic Diagrams.
TO EXPOSED METAL PARTS
For continued protection, replacement parts must be identical to those used in the or iginal circuit. The use of substitute replacement parts which do not have the same safety characteristics as the factory recommended replacement parts shown in this service manual, may create shock, fire, X-radiation or other hazards.
"
CONNECT TO KNOWN EARTH GROUND
1 – 2
21G-FX10L
TV21G-FX10LService Manual21G-FX10LMarketE

CHAPTER 2. LOCATION OF USER'S CONTROL

[1] LOCATION OF USER'S CONTROL

AV
a
AV
AV
AV
a
2 – 1
TV21G-FX10LService Manual21G-FX10LMarketE
CHAPTER 3. INSTALLATION AND SERVICE INSTRUCTIONS

INSTALLATION AND SERVICE INSTRUCTIONS

Note: (1) When performing any adjustments to resistor controls and transformers use non-metallic
screwdrivers or TV alignment tools.
(2) Before performing adjustments, the TV set must be on at least 15 minutes.
21G-FX10L
CIRCUIT PROTECTION
The receiver is protected by a 3.15A fuse (F701), mounted on PWB-A, wired into one side of the AC line input.
X-RADIATION PROTECTOR CIRCUIT TEST
After service has been performed on the horizontal deflection system, high voltage system, B+ system, test the X-Radiation protection circuit to ascertain proper operation as follows:
1. Apply 110~220V AC using a variac transformer for accurate input voltage.
2. Allow for warm up and adjust all customer controls for normal picture and sound.
3. Receive a good local channel.
4. Connect a digital voltmeter to C602 +ve and make sure that the voltmeter reads 20 ±1.1V.
5. Apply external 28.5V DC at C602 +ve by using an external DC supply, TV must be shut off.
6. To reset the protector, unplug the AC cord and make a shor t circuit between C602 -ve and C602 +ve. Now make sure that normal picture appears on the screen.
7. If the operation of the horizontal oscillator does not stop in step 5, the circuit must be repaired before the set is returned to the customer.
HIGH VOLTAGE CHECK
High voltage is not adjustable but must be checked to verify that the receiver is operating within safe and efficient design limitations as specified checks should be as follows:
1. Connect an accurate high voltage meter between ground and anode of picture tube.
2. Operate receiver for at least 15 minutes at 110~220V AC line voltage, with a strong air signal or a properly tuned in test signal.
3. Enter the service mode and set Y-mute ON by using Service R/C.
4. The voltage should be approximately 26kV (at zero beam). If a correct reading cannot be obtained, check circuitry for malfunctioning components. After the voltage test, make Y-mute off to the normal mode.
3 – 1
21G-FX10L
TV21G-FX10LService Manual21G-FX10LMarketE
CHAPTER 4. SERVICE MODE
1. Service mode is switched by SERVICE key, CH UP + VOL DOWN when reset.
2. Service mode is c ancelled by SERVICE key during Service mode.
3. Service mode can be switched to the following 5 modes via MENU k ey:

SERVICE MODE

Adjustment mode
Setting mode
Confirmation mode
Option mode
NVM Edit mode
4During Service mode, AFT operation is prohibited. The setting data for PLL is always set to fo data. 5During Service mode, the following user data are set to default value and stored as last memory.
PICTURETINTCOLORBRIGHTSHARPCOLOR TEMP. BASSTREBLEBALANCEMTSFAOSPEAKERENERG Y SAVE
6During Service mode, OSD display for ON/OFF is toggled via [CH CALL] key.
At display OFF condition, if changing adjustment data, channel, input source, it remains display OFF.At display OFF condition, if changing adjustment item, it returns to display ON.
7During Service mode, the following operation are prohibited.
CLOSED CAPTIONNo si gnal BLUE SCREEN
8During Service mode, sound is muted(only MTSIC) except when selecting the following items.
V24, M01
First mode of service when entering by SERVICE key.
First mode of service when entering by 2 local keys.
4 – 1
21G-FX10L
(
g
(
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AUTO ADJUSTMENT
H-VCO
1. When there is H-VCO auto adjustment key input at item
2. H-FREE (1chip) is set to 1.
3. H-OUT (1chip) is set by intelligent monitor output.
4. IM input becomes TIM input.
5. H-VCO (1chip) data is changed so that the number is 126 inside 8ms interval.
6. When adjustment is completed, OSD display and H-VCO auto adjustment data of EERPOM are updated.
7. H-FREE
1chip), intelligent monitor output, IM input mode are recovered.
H-VCO, auto adjustment will be implemented.
RF-AGC
1. If there is RF-AGC auto adjustment key input at item RF-AGC, auto adjustment will be implemented.
2. AGC-OUT (MONITOR(1chip)is set by intelligent monitor output.
3. IM input becomes AD input.
4. RF-AGC(1chip) is decreased from current RF-AGC value to 0, the maximum AFT input voltage is obtained.
5. RF-AGC(1chip) is increased until at the point of AFT input voltage is (max. 0.3V), adjustment is completed.
6. When adjustment is completed, OSD display and RFGC auto adjustment status in EEPROM are updated.
7. Intelli
ent monitor output, IM input mode are recovered.
PIF-VCO
1. If there is PIF-VCO auto adjustment key input at item PIF- VCO, auto adjustment will be implemented.
2. VIF-DEF (1chip) is set to 1.
3. AFT output (1chip) is set by intelligent monitor output.
4. IM input becomes AD input.
5. VIF-VCO (1chip) is changed so the input voltage becomes 2.5V.
6. When adjustment is completed, OSD display and PIF-VCO auto adjustment status in EEPROM are updated.
7. VIF-DEF
1chip)intelligent monitor output, IM input mode are recovered.
S-TRAP
1. If there is S-TRAP auto adjustment key input at item S-TRAP, auto adjustment will be implemented.
2. S-TRAP OUTPUT is set by intelligent monitor output.
3. IM input becomes AD input.
4. S-Trap (1chip) is set to the value of V45(S-TRAP ADJ Start).
5. S_Trap_Result is set to the value of V45(S-TRAP ADJ Start).
6. S-Trap (1chip) is increased until the minimum input voltage becomes minimum.
7. Wait 20ms before sampling the new_ AD_data.
8. When adjustment is completed, OSD display and S-TRAP auto adjustment status in EEPROM are updated.
9. S-TRAP
1chip)intelligent monitor output, IM input mode are recovered.
4 – 2
g
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TV21G-FX10LService Manual21G-FX10LMarketE

CHAPTER 5. ADJUSTMENT METHOD

Memory Map Data
Caution: Toget into the service mode, one of the ways is press direct keyfor service items.
There is three stage of Service Mode data
First sta
to go into second stage of service mode data, press MENU key
e data from V01 ~ M01
21G-FX10L
Second sta
to go into third stage of service mode data, press MENU key
Third stage
Adjustmet Mode (First Stage)
SUB-CON SUB-TINT SUB-COL
SUB-BRI
SUB-SHP-PRE
SUB-SHP-OVER
V-SHIFT H-SHIFT RF-AGC
V-SIZE V-SHIFT50 H-SHIFT50
V-SIZE50
VIF-VCO
R-CUT G-CUT B-CUT
R-DRI
B-DRI
SUB-COLOR-YUV
SUB-TINT-YUV
CC-POS
SCREEN CUT OFF
SUB-VOL
H-VCO
S-TRAP
VS-CORRECT
VS-CORRECT50
V LINEARITY
V LINEARITY50
PARABOLA
PARABOLA50
TRAPEZIUM
TRAPEZIUM50
H-SIZE
H-SIZE50
UPPER CORNER
UPPER CORNER50
LOWER CORNER
LOWER CORNER50
ANGLE ADJ
ANGLE ADJ50
BOW ADJ
BOW ADJ50
S-TRAP ADJ START
S-TRAP STOP
MTS-ATT
Auto Adjustment Item
Ԙ
H-VCO ,ԙRF-AGC,ԚVIF-VCO,ԛS-TRAP
e data from F01 ~ F160
data from O01 ~ O31
V01 127 127 ADJ
V02 0~127 64 64 ADJ V03 0~127 64 64 ADJ V04 0~255 128 128 ADJ V05 0~63 41 40 *FIX V06 0~63 41 24 *FIX V07 0~7 4 4 ADJ V08 0~31 16 16 ADJ V09 0~127 127 127 AUTO V10 0~63 32 32 ADJ V11 -7~+7 0 0 FIX V12 -15~+15 0 0 FIX V13 -31~+31 0 0 FIX V14 0~63 32 32 AUTO V15 0~255 127 127 ADJ V16 0~255 127 127 ADJ V17 0~255 127 127 ADJ V18 0~127 64 64 ADJ V19 0~127 64 64 ADJ V20 0~127 64 64 FIX V21 0~127 64 64 FIX V22 0~255 32 32 ADJ V23 0~2 0 0 FIX
V24 *FIX
V25 0~7 4 4 AUTO V26 0~127 64 64 AUTO
V27 0~63 36 26 *FIX
V28 -13~+13 0 0 FIX
V29 0~63 35 37 *FIX
V30 -13~+13 0 0 FIX V31 0~63 32 32 ADJ V32 -13~+13 0 0 FIX V33 0~63 32 32 ADJ V34 -13~+13 0 0 FIX V35 0~63 32 32 ADJ V36 -13~+13 0 0 FIX V37 0~63 32 32 ADJ V38 -13~+13 0 0 FIX V39 0~63 32 32 ADJ V40 -13~+13 0 0 FIX V41 0~63 31 31 ADJ V42 -13~+13 0 0 FIX V43 0~63 31 31 ADJ V44 -13~+13 0 0 FIX V45 0~127 25 25 FIX V46 0~127 95 95 FIX
M01 0~15 10 10 FIX
DATA INITIAL
LENGTH DATA
0~127
0~127 (O20=0) 127 115 0~255 (O20=1) 255 -
SETTING DATA FIX/ADJ/AUTO
REMARKEEPROM ITEMS OSD
ADJUST IF NECESSARY TO IMPROVE
ADJUST IF NECESSARY TO IMPROVE
Remark: * Initial Data different with Setting Data
5 – 1
21G-FX10L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
A
A
A
A
A
A
SETTING MODE (Second Stage)
EEPROM ITEMS
BCL-Gain
SHP-AV-PRE
SHP-YUV-PRE
SHP-P-PRE
SHP-N3-PRE
SHP-AV-OVER
SHP-YUV-OVER
SHP-P-OVER
SHP-N3-OVER
SHP ANT-ON II OFFSET
RGB-CLIP
E-SAVE
FAO-VOL
VIF-G
YDL-TV
YDL-TV-P
YDL-TV-N3
YDL-AV
YDL-AV-P
YDL-AV-N3
YDL-YUV
TINT-AV
COL-AV
COL-P
COL-N3
R-R
R-B B-R B-B
GAMM
BS-D
BS-C SL-TV SL-AV
SL-YUV
FC2 VD-TV VD-AV
VD-YUV
S-TV S-AV
S-YUV
FBP-TV
FBP-AV
FBP-YUV
C.Clip Level
CP
CC LEVEL
OSD POS-H OSD POS-V50 OSD POS-V60
OFFSET-ADJ-COLOR
OFFSET-ADJ-TINT
WAIT˴MD˴TIMER
R-CUT-YUV
G-CUT-YUV
B-CUT-YUV
R-DRI-YUV
B-DRI-YUV
OSD FIX/ADJ/AUTOSETTING DATA
F01 0/1 0 0 FI F02 -16~+16 0 -10 *FIX F03 -16~+16 0 0 FIX F04 -31~+31 0 0 FIX F05 -31~+31 0 0 FI F06 -16~+16 0 -10 *FI F07 -16~+16 0 0 FIX F08 -31~+31 0 0 FI F09 -31~+31 0 0 FI F10 -15~0 -10 -10 FI F11 0/1 0 0 FI F12 0~63 30 30 FI
F13 *FIX
F14 0~7 5 7 *FI F15 0~7 5 5 FI F16 0~7 5 5 FI F17 0~7 5 5 FI F18 0~7 5 5 FI F19 0~7 5 5 FI F20 0~7 5 4 *FI F21 0~7 0 0 FI F22 -32~+32 +6 -16 *FI F23 -32~+32 0 +10 *FI F24 -31~+31 +24 +24 FI F25 -31~+31 0 0 FI F26 -32~+32 +3 +7 *FI F27 -32~+32 -2 0 *FI F28 -32~+32 -8 -20 *FI F29 -32~+32 +6 +9 *FI F30 0~3 1 3 *FI F31 0~3 0 0 FI F32 0~3 0 0 FI F33 0~7 2 1 *FI F34 0~7 2 2 FI F35 0~7 0 0 FI F36 0~3 0 1 *FI F37 0~7 5 1 *FI F38 0~7 7 2 *FI F39 0~7 1 0 *FI F40 0/1 1 1 FI F41 0/1 1 1 FI F42 0/1 0 0 FI F43 0/1 0 0 FI F44 0/1 0 0 FI F45 0/1 0 0 FI F46 0/1 0 0 FI F47 0/1 1 1 FI F48 0~31 0 0 FI F49 0~31 0 14 *FI F50 1~55 38 48 *FI F51 1~50 23 32 *FIX F52 -32~+32 +10 +15 *FIX F53 -32~+32 +2 +9 *FIX F54 0/1 1 1 FI F55 -63~+63 0 0 FI F56 -63~+63 0 0 FI F57 -63~+63 0 0 FI F58 -63~+63 0 0 FI F59 -63~+63 0 0 FI
DATA INITIAL
LENGTH DATA
0~127 (O20=0) 120 81 0~255 (O20=1) 246 -
Remark: * Initial Data different with Setting Data
5 – 2
SETTING MODE (Second Stage)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
)
)
)
)
)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
A
A
A
A
A
CONTRAST OFFSET
CONTRAST YUV OFFSET
BRIGHT OFFSET
BRIGHT AV2 OFFSET
BRIGHT YUV OFFSET
TRAP
TRAP-P
TRAP-N3 FC1-Gain-TV FC1-Gain-AV
FC1-Gain-YUV
OM-DET
㧮㧿㧙㧳㨍㨕㨚
C-ANGLE
㨂㧙㧰㧸 㨁㧙㧰㧸
S-SPEED-DN
S-SPEED-UP CR-PEDESTEL-ADJ CB-PEDESTEL-ADJ
SIF-BPF-WIDE
SIF-BPF-WIDE-LOW
SIF-BPF-WIDE-HIGH
COL-SYSTEM
Pow-Storage
SIF45 GAIN DOWN
S-TRAP OFF
BASS OFFSET
MID1 OFFSET MID2 OFFSET MID3 OFFSET
TREBLE OFFSET
AVL LEVEL
AVL OPTION
AU-ATT AMP
OSD LEVEL 3F95
R MTX UP
MATRIX ADJ
SAP LEVEL
STEREO SENS
SAP SENS
MER MEL1 MEL2 MEL3 MEL4 MEL5 MEL6
S-St-Point
21G-FX10L
OSD FIX/ADJ/AUTOSETTING DATAEEPROM ITEMS
F60 -63~+63 0 0 FI F61 -63~+63 0 0 FIX F62 -63~+63 0 0 FI F63 -15~+15 +1 +4 *FIX F64 -63~+63 0 0 FIX F65 0~3 2 0 *FIX F66 0~3 2 2 FI F67 0~3 2 2 FI F68 0~3 0 0 FI F69 0~3 3 3 FI F70 0~3 3 3 FI F71 0/1 0 0 FI F72 0~2 0 0 FI F73 0/1 0 0 FI F74 0~3 0 0 FI F75 0~3 0 0 FI F76 0/1 0 0 FI F77 0/1 0 0 FI F78 0~15 8 8 FI F79 0~15 8 8 FI F80 0~7 3 1 *FIX F81 0/1 0 0 FI F82 0/1 0 0 FI
F83 3 FIX3
F84 0/1 1 1 FIX F85 0/1 0 0 FIX F86 0/1 1 0 *FIX F87 -4~+4 0 0 FIX F88 -4~+4 0 0 FI F89 -4~+4 0 0 FI F90 -4~+4 0 0 FI F91 -4~+4 0 0 FIX F92 0~3 0 1 *FIX
F93 2
F94 0 (0dB)/1(3dB) 0 1 *FIX
F96 0/1 0 0 FI F97 0~3 0 0 FI F98 0/1 0 0 FI
F99 0/1 0 0 FI F100 0/1 0 0 FI F101 0~255 70 70 FIX F102 0~255 150 150 FI F103 0~255 156 156 FI F104 0~255 163 163 FI F105 0~255 165 165 FI F106 0~255 170 170 FI F107 0~255 180 180 FI F108 0~60 21 21 FI
DATA INITIAL
LENGTH DATA
0: 11XX(AUTO 1: 0011(PAL-M 2: 0111(PAL-N 3: 0110(N358 4: 10XX(AUTO1
0: fix to 0 1: fix to 1 2: AVL in
SOUND MENU
0: 10% 1: 30% 2: 50% 3: 70% 4: 90%
1
3
*FIX
FIX
Remark: * Initial Data different with Setting Data
5 – 3
21G-FX10L
X
X
X
SETTING MODE (Second Stage)
S-Sp-Point
S-Step
CONT NEWS CONT MUSIC CONT MOVIE
BRIGHT NEWS BRIGHT MUSIC BRIGHT MOVIE
COL NEWS COL MUSIC COL MOVIE
SHARP NEWS SHARP MUSIC SHARP MOVIE
SURR NEWS SURR MUSIC SURR MOVIE
TREBLE NEWS TREBLE MUSIC TREBLE MOVIE
BASS NEWS BASS MUSIC BASS MOVIE
EQ BASS NEWS EQ BASS MUSIC EQ BASS MOVIE
EQ MID1 NEWS EQ MID1 MUSIC EQ MID1 MOVIE
EQ MID2 NEWS EQ MID2 MUSIC EQ MID2 MOVIE
EQ MID3 NEWS EQ MID3 MUSIC EQ MID3 MOVIE
EQ TRE NEWS EQ TRE MUSIC EQ TRE MOVIE
S-BOOST NEWS S-BOOST MUSIC S-BOOST MOVIE
CORNER UP-LOW EN
BOW/ANGLE-ON/OFF
SHP-NR-OFFSET
V-FREE60
TAKEOFF TV
STRAP OFFSET
RGB MUTE TIME
H-BLK LEFT
H-BLK RIGHT
H-STOP DELAY
SYS MUTE
OSD FIX/ADJ/AUTOSETTING DATAEEPROM ITEMS
F109 0~60 60 60 FI F110 0~60 7 7 FI F111 0~60 40 40 FIX
F112 0~60 50 50 FIX F113 0~60 60 60 FIX F114 -30~+30 0 0 FIX F115 -30~+30 0 0 FIX F116 -30~+30 0 0 FIX F117 -30~+30 0 0 FIX
F118 -30~+30 0 0 FI F119 -30~+30 +10 +10 FIX F120 -30~+30 -10 -10 FIX
F121 -30~+30 0 0 FIX F122 -30~+30 +5 +5 FIX F123 0(OFF)/1(ON) 0 0 FIX F124 0(OFF)/1(ON) 0 0 FIX F125 0(OFF)/1(ON) 0 0 FIX F126 -10~+10 -10 -10 FIX F127 -10~+10 0 0 FIX F128 -10~+10 +5 +5 FIX F129 -10~+10 -5 -5 FIX F130 -10~+10 0 0 FIX F131 -10~+10 +10 +10 FIX F132 -10~+10 0 0 FIX F133 -10~+10 0 0 FIX F134 -10~+10 0 0 FIX F135 -10~+10 0 0 FIX F136 -10~+10 0 0 FIX F137 -10~+10 0 0 FIX F138 -10~+10 0 0 FIX F139 -10~+10 0 0 FIX F140 -10~+10 0 0 FIX F141 -10~+10 0 0 FIX F142 -10~+10 0 0 FIX F143 -10~+10 0 0 FIX F144 -10~+10 0 0 FIX F145 -10~+10 0 0 FIX F146 -10~+10 0 0 FIX F147 0(OFF)/1(ON) 0 0 FIX F148 0(OFF)/1(ON) 1 1 FIX F149 0(OFF)/1(ON) 1 1 FIX F150 0/1 1 1 FIX F151 0(OFF)/1(ON) 1 1 FIX F152 -15~0 0 0 FIX F153 0/1 1 1 FIX F154 0/1 0 0 FIX F155 -16~+16 0 0 FIX F156 0 ~ 8 0 1 *FIX F157 0 ~ 7 0 0 FIX F158 0 ~ 7 0 3 *FIX
F159
F160 0/1 0 0 FIX
DATA INITIAL
LENGTH DATA
0: 5ms 1: 10ms 2: 15ms 3: 20ms
1 1 FIX
Remark: * Initial Data different with Setting Data
5 – 4
Setting Mode (Third stage)
Data OPTION FUNCTION
O01 LNA TUNER 0/1
O02 FAO DIS/ENA 0/1 1 0 O03 * PON-CH DIS/ENA 0/1 0 1 O04 ANTENNA BOOSTER DIS/ENA 0/1 0 0 O05 AV DIS/ENA 0/1 1 1
O06
O07 MTS DIS/ENA 0/1 1 0
O09 TONE-CTRL
O10 AUTO-OFF DIS/ENA 0/1 1 1
O11 LAST POWER
O13 AV MODE DIS/ENA 0/1 1 0 O14 MP-IN DIS/ENA 0/1 0 0 O15 S-BOOSTER DIS/ENA 0/1 0 0 O16 FORCE-COL DIS/ENA 0/1 0 0
O17 INIT-LANG
AV2
COMPONENT
SETUP-FLAGO12 1
0:ALPS 1 : MATSUSHITA
0:AV1 1:AV2
0 : without COMPONENT 1 : COMPONENT (share with AV1) 2 : COMPONENT (individual) 0 : Without Sound Menu 1 : TONE 2 : EQUALIZER 3 : Without Sound Menu (GA8P)
0 : Standby Mode 1:LastMemory 0:NoSetUp 1 : AUTO Set Up
0 : ENGLISH 1 : SPANISH 2 : PORTUGUESE
Description
Range
0/1
0…2O08
0…3 1
0/1
0/1
INITIAL
DATA
0
1
1
0
00…2
21G-FX10L
Setting Data
0
1
0
3
0
1
1
O18 LANG-SEL 7Portuguese/French/Spanish 0…7
0:CHٌ/ٖ, VOL+/- 1: / , /
O20 VOL-TABLE 0
O21 AUTO-JUDGEMENT 1
O22 WHITE-OUT DIS/ENA 0/1 0 0 O23 H-SYNC JUDGE DIS/ENA 0/1 1 1 O24 CHSET COLOR DIS/ENA 0/1 0 0 O25 DEMO DIS/ENA 0/1 1 1 O26 FLAT DIS/ENA 0/1 1 1
O28 SPEAKER DIS/ENA 0/1 1 0
O29 VOL-CURVE 0
O30
O31
* POWER ON BY CH-UP / DOWN KEY.
CONTRAST TABLE
BRIGHTNESS TABLE
0 : 7-bit volume table 1 : 8-bit volume table 0 : EZ Setup Same as GA6 Brazil 1:EZSetupSameasGA6LAG
0:NoAV 1:Rear 2:Front 3:Rear&Front
0 : Old Vol-Table 1 : New Vol-Table 0:-105~0 1 : -60 ~ 0 2 : -30 ~ 0 0:-60~+60 1:-30~+30
0/1O19 ARROW-KEY 1
0/1
0/1
0…3
0/1
0…2 0 0
3F/R-AVO27
00/1 0
1
0
0
1
3
1
5 – 5
21G-FX10L
T
E
S
CHECKING
DJUSTMEN
PIF A
NO
1
CUS ADJUSTME
FO
NO ADJ
1 FOCUS (1) Receive
T
TMENT POIN
ADJUS
RF-AGC
OINT
P
R
KE OVE
A
T
USTMENT (2) Connect t
J
AD
(I2C BUS CONTROL) figure 3-1
UTO & MANUAL
(A
USTMENT POIN
A
T
N
ADJUSTMENT PRECAUTION : M
T
DJ)
ve the "US 10 CH HALF Color B
(1) Recei
Strength: 56 ± 1dBμV (75 ohm open)
Signal
he oscillos .
OSCILLO
+
0.1V
-
+
-
Bias Box : about 4.5V
(3) Call V09 i
(4) Ch
(5)T
(2) Press RESET to set Picture N (3) Adjust the focus control to get the bes
nservicemode. Adjust the V09busdatatoobtain theTuner
outputpindrop 0.1V b
ge the antenna inpu
n
a
e.
onois
n
s
i
rn uptheinput s
u
modulationbeat.
U
S4 CH
ignal to 9
ION HEAD Signal
L
ake sure TV Set is in "NORMAL CONDITION" b
ADJUSTMENT CONDIT
oJA402(Tuner's AGC Terminal) as shown in
t
e
cop
SCOPE
BIAS BOX
-1
Fig. 3
elow maximum voltage.
signal to 63 ~67dBμV, and makes
t
~95dBμVto be sure that the
0
ADJUSTMENT
ORMAL condition.
ar" signal
CO
(NTSC 60 Hz).
focusing.
t
.
JA
SET
V
T
NDITION / PROCEDU
ION/PROCEDU
402
re
re the
u
o cross
n
s
re i
stment.
Mode for Adj
fore switch t
e
E
R
R
o Service
for Auto ADJ
*
1)Receive "NTSC C gnal strength :56±1dBμV(75ohmo
i
s
1) Go to s
to servic
2) Go
"Auto-AGC" key and confirm the OK display on the screen
)Ifappear red display w
3
ep and pleas
t
s
4) Proceedstep4&5in
u
WAVEFORM OR OTHERS
UR BAR"
O
L
O
ervice mode.
data V09 , press R/C to operate
e
th NG s
i
e repeat step 2.
manual
FORM OR REMARK
WAVE
nal
sig
en).
p
rease data some
gn, inc
i
.
mode
Focusing Point(middle of ce monoscope pattern)
ter andedgeof
n
H-VCO, VIF-VCO & S-TRAP fo ADJUSTMENT
NO
ADJUSTMENT POINT
1 H-VCO ADJ
(I2C BUS CONTROL)
(AUTO & MANUAL ADJ)
2 VIF-VCO ADJ
(I2C BUS CONTROL)
(AUTO & MANUAL ADJ)
3
S-TRAP fo ADJ (I2C BUS CONTROL) (1) In No signal (RASTER) condition.
(AUTO & MANUAL ADJ)
(Manual Adj)
(1) In No signal (RASTER) condition. (2) Go to service mode, choose service data (3) Connect oscilloscope to IC801 pin13 (H-OUT)
become 15.735 ± 0.2KHz.
(Auto Adj)
(1) In No signal (RASTER) condition. (2) Go to service mode. (3) Choose service data V25,bypressingR/C
at screen.
(4) If appear "NG" pls repeat step 3.
(Manual Adj)
(1) In No signal (RASTER) condition. (2) Go to service mode, choose service data V14 (3) Connect oscilloscope to IC801 pin7 (AFT)
2.5 ± 0.5 V DC (Checking spec : 2.50 ± 1.5 V)
(Auto Adj)
(1) In No signal (RASTER) condition. (2) Go to service mode, choose service data V14. (3) Press the R/C "AUTO PIF-VCO" (4) If appear "NG" pls repeat step 3.
(Manual ADJ
(2) Go to service mode, choose service data V26. (3) Connect oscilloscope to TP 801 or IC801 pin 30
(Auto Adj) (1) In No signal (RASTER) condition. (2) Go to service mode, choose service data (3) Press the R/C "AUTO S-TRAP" key, OSD will appear "OK" at screen. (4) If appear "NG" pls repeat step 3.
)
ADJUSTMENT CONDITION / PROCEDURE
V25.
,adjV25 until freq
"AUTO H-VCO" key, OSD will appear "OK"
, adj V14 until voltage become
key, OSD will appear "OK" at screen.
, adj V26 until voltage become Min (below 5 V).
V26.
WAVEFORM OR OTHERS
*NOTE: This adjustment must be done after aging at least 3 minutes.
5 – 6
21G-FX10L
HORIZONTAL ,V
NO
1
E
A
DJUSTMENT POINT
V-SHIFT
(I2C BUS CONTROL)
2
V-SIZE
(I2C BUS CONTROL)
(to be done after V-shift adj)
3
V-LINEARITY
(I2C BUS CONTRO
4
VS CORRECTION
(I2C BUS CONTR
5 H-SHIFT
(I2C BUS CONTRO
6 H-SIZE
(I
2C BUS CO
RTICAL,DEFLECTION LOOP ADJUSTMENT (1)
ADJUSTMENT CO (1) Receive US4 CH LION HEAD Signal (NTSC 60 Hz) (2) Choose the service data (3) Adjust V
07
Note: B lin
e (Monoscope middle line) m
to the A mark (Tubem
(1) Receive US4 CH L (
2) Choose the service data
(3) Adjust
V10
Caution 1: Pls ag
V07
.
to align the center of the screen to the geometric center of CRT.
iddle mark),refer t
I
O
NHEADSignal (NTSC 60 Hz
V10
.
bus data until the overscan become
ing TV more th
(1) Receive US4 CH LION HEAD Signal (NTSC 60 Hz).
L)
(2) Choose the servic
edata
V
29.
(3 )Already preset. (Adjust this unless the linearity is achieved.)
(1) Receiv
O
L)
e US4 CH LION HEAD Signal (NTSC 60 Hz).
(2) Choose the servic
e data
V27.
(3 )Already preset. (Adjust this unless the linearity is achieved.)
(1) Receiv
L)
NTROL)
e US4 CH LION HEAD Signal (NTSC 60 Hz
(2) Choose the service da
(3) Adjust the
(4)Ifcannotmakeitto
(1) Receive US (2) Choose the service data (
3) Adjust
V35 bus data until the overscan becomes
ta
V08 bu
s data t
oh
A=B
4CHLIONHEA
V08
ave a balance posi
, adjust fr
V35
.
D Signal (NTS
NDITION / PROCEDUR
.
u
st sam
eornearesthigher
o the attach drawing.
).
10 ± 2.5%.
an 10 minutes before adjustment
).
tion to spec of
o
mthebe
A=B
st point so that
A slightly smaller than
C60Hz).
10 ± 2.5 %.
(as attach
position
drawing).
E
Figure
W
AVEFORM OR OTHERS
A
OK
OK NG
B
AB
B
.
7
PARABOLA
(I2C BUS CON
(1) Receive CrossHatch Pattern Signal (NTSC 60 Hz).
TROL)
(2) Choose the service data
V31
Adjust the 2nd vertical line from the right end of the crosshatch pattern so that the middle 4 blocks are straight. (3) Ma
ke sure both left / right of 2nd vertical line at optimum point
5 – 7
21G-FX10L
H-BOW
HORIZONTAL ,VERTICAL,DEFLECTION
NO
ADJUSTMENT POINT
8
UPPER
C
ORNER
(I2C BUS CONTROL)
9
LOWER CORNER (1) Receive CrossHatch Pattern Signal (NTSC 60 Hz).
(I2C BUS CONTROL) (2) Choose the service data V39
10 BOW-ADJ (1) Receive CrossHatch
(I2C BUS CONTROL)(2)Choose the service data V
11
ANGLE ADJ (1) Recei
(I2C BUS CONT
12 TRAPEZIUM (1) R
(I2C BUS CONTROL) (2) Choose the service data
13 FINAL INSPECTION OF (1) Receive CrossHatch Pattern Signal (NTSC 60
ADJUSTMENT (2) Please make sure picture distortion (ove
ROL) (2) Choose the service data V41
L
OOP ADJUSTMENT (2)
ADJUSTMENT CONDITION/PROCEDURE (1) Receive CrossHatch Pattern Signal (NTSC 60 Hz). (2) Choose t
he service data (3) Adjust the 2nd upper so that the upper line are straight. (4)
M
ake sure both
(3) Adjust the 2nd lower vert so that the bottom line ar (4) Make sure both left / right of 2nd vertical line at opt
(3) Adjust the 2nd vertical line from the end of the crosshatch pattern until line is straight.
V37
vertical line from the right end of the
left / right of 2nd vertical line at opti
ical line from the right end of the crosshatch pattern
estraight.
Pattern Signal (NTSC 60 Hz).
43 BOW ADJ
ve CrossHatch Pattern Signal (NTSC 60 Hz).
(3) Adjust the 2nd vertical line from the end of the crosshatch pattern line is straight (4) Make sure both left / right of 2nd vertical line at optimum point
eceive CrossHatch Pattern Signal (NTSC 60 Hz).
(3)
Adjust the 2nd vertical line from therightendofthe so that the D1 (center area of the second vertical line ­and D2 (top area of the second vertical line - edge of screen) are same. (4) Make sure both
TOP / BOTTOM at LEFT / RIGHT corner. (3) If NG, please RE-ADJUST follow step 7 to 13 or adjust at NG
V33
left / right of 2nd vertical
mum point
imum point
crosshatch pattern
edge of screen)
line at optimum point
H
z).
rall picture
quality) must be
W
A
VEFORM OR OTHERS
crosshatch pattern
D2
D1
balance at optimum point
A
1
A2
D1
position to get best picture quality A1 B1 B
B1
B2
D2
A1 A2
~
~ ~
~ ~
C
1
~
D1
=
D2
D1
2
C
2
D2
C
1
O
VERA
LPICTURE
L
BALANCE AT OPTIMUM POI
&R
I
GHT )
Q
U
ALITY MUST BE
N
C2
T(LEFT
5 – 8
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