21V-R70M
SERVICE MANUAL
TVSM045-21V-R70M
COLOR TELEVISION
Chassis No. GA-4M
MODEL 21V-R70M
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 identical to those specified should be used.
CONTENTS |
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ELECTRICAL SPECIFICATIONS .................................................................................................. |
1 |
IMPORTANT SERVICE SAFETY PRECAUTION ......................................................................... |
2 |
LOCATION OF USER'S CONTROL .............................................................................................. |
4 |
INSTALLATION AND SERVICE INSTRUCTIONS ........................................................................ |
5 |
SERVICE MODE ........................................................................................................................... |
6 |
ADJUSTMENT METHOD .............................................................................................................. |
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CHASSIS LAYOUT ....................................................................................................................... |
25 |
BLOCK DIAGRAM ........................................................................................................................ |
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SCHEMATIC DIAGRAMS ........................................................................................................... |
30 |
PRINTED WIRING BOARD ASSEMBLIES ................................................................................... |
33 |
REPLACEMENT PARTS LIST ...................................................................................................... |
36 |
PACKING OF THE SET ................................................................................................................ |
42 |
ELECTRICAL SPECIFICATIONS |
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POWER INPUT ..................... |
110-230 V AC,50/60 Hz |
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POWER RATING .............................................. |
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82 W |
PICTURE SIZE ...................... |
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1,240 cm 2 (192sq inch) |
CONVERGENCE ......................................... |
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Magnetic |
SWEEP DEFLECTION ............................... |
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Magnetic |
FOCUS ............................ |
Hi-Bi-Potential Electrostatic |
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INTERMEDIATE FREQUENCIES |
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Picture IF Carrier Frequency |
................... 45.75 MHz |
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Sound IF Carrier Frequency .................... |
41.25 MHz |
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Color Sub-Carrier Frequency .................. |
42.17 MHz |
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(Nominal) |
AUDIO POWER OUTPUT RATING |
...................... 3 W |
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SPEAKER |
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SIZE ........................................................ |
9 cm x 5 cm |
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VOICE COIL IMPEDANCE ............... |
16 ohm at 400 Hz |
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ANTENNA INPUT IMPEDANCE |
75 ohm Unbalanced |
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VHF/UHF .................................. |
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TUNING RANGES |
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VHF-Channels .......................................... |
2 thru 13 |
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UHF-Channels ........................................ |
14 thru 69 |
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CATV Channels ...................................... |
1 thru 125 |
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Specifications are subject to change without |
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prior notice. |
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SHARP (PHILS.) CORPORATION
Km. 23 West Service Road, South Super Highway Alabang, City of Muntinlupa
21V-R70M
IMPORTANT SERVICE SAFETY PRECAUTION
Service work should be performed only by qualified service technicians who are thoroughly familiar will 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 (suc h as a test pr obe) between the picture tube gr ound and the anode lead. (AC line cord should be connected 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 X- radiation 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.
2
21V-R70M
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 110~230 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 0.15uF 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.
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.
1.5k ohm |
10W |
0.15 F
TEST PROBE
TO EXPOSED
METAL PARTS CONNECT TO
KNOWN EARTH
GROUND
SAFETY NOTICE
Many electrical 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.
For continued protection, replacement parts must be identical to those used in the original 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.
3
21V-R70M
LOCATION OF USER'S CONTROL
Front Panel
Menu/Preset |
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VOLUME Up / Down |
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REMOTE |
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CHANNEL Up / Down |
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CONTROL |
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(Power On) |
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POWER |
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Standby |
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MAIN |
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E
Note: Appearance design may vary depending on models ;
Basic Remote Control Functions |
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REMOTE CONTROL |
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Infrared |
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Transmitter |
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Window |
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Press |
POWER |
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INPUT |
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ON. |
OFF. |
POWER |
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INPUT |
Switch to external video |
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Press again |
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Press |
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1 |
2 |
3 |
INPUT 1 mode. |
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REMOTE KEYPAD |
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Press 2 times |
Switch to external |
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4 |
5 |
6 |
video INPUT 2 mode. |
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Accesses any channel |
7 |
8 |
9 |
Press 3 times |
Switch back to the |
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from keypad. |
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FLASHBACK |
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original TV mode. |
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FLASHBACK |
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0 |
100 |
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VOL |
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VOL |
CHANNEL |
( |
) Selects next higher channel. |
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Returns to previous channel. |
CH |
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- |
CH |
+ |
UP / DOWN ( |
) Selects next lower channel |
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VOLUME UP / DOWN |
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MENU |
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MENU |
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presetting. |
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MUTE |
DISPLAY |
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(+ ) Increases sound. |
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Accesses MAIN MENU. |
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(- ) Decreases sound. |
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Press again |
Exits MAIN MENU. |
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In menu mode, changes or |
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DISPLAY |
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selects the TV adjustments. |
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TV |
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Press |
Displays receiving |
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channel for four seconds. |
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MUTE |
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Press again |
Removes |
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display. |
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Press |
Mute sound. |
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Temporarily displays receiving |
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Press again |
Restores sound. |
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channel when in Closed Caption |
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CLOSED CAPTION appears when |
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mode. |
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sound is muted. |
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4
21V-R70M
INSTALLATION AND SERVICE INSTRUCTIONS
Note: (1) When performing any adjustments to resistor controls and transformers, use non-mettalic screw drivers or TV alignment tools.
(2) Before performing adjustments, the TV set must be on at least 15 minutes.
CIRCUIT PROTECTION
The receiver is protected by a 3.15A fuse (F701), mounted on PWB-A, wired into one side of the A C line input.
X-RADIATION PROTECTOR CIRCUIT TEST
After ser vice has been perf ormed on the horizontal deflection system, high v olta ge system, B+ system, test the X-Radiation pr otection cir cuit to ascer tain proper operation as f ollo ws:
1.Apply 110~230V 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 TP653 and make sure
that the voltmeter reads 26 ±1.1V.
5. Apply external 27V DC at TP653 by using an external DC supply, TV must be shut off.
6.To reset the protector, unplug the AC cord and make a short circuit between TP651 and TP652. 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 v oltage is not adjustab le but m ust be c hecked 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 110~230V 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 28.5 kV (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.
5
21V-R70M
SERVICE MODE
Service Mode Overview
1.Service mode is entered by SERVICE key input or CH-UP +VOL-DOWN input during reset.
2.Service mode is cleared by entering SERVICE key command during service mode.
3.If key input port (SERVICE) input is LOW, then it is in service mode.
4.During key input port (SERVICE) input is LOW, clearing service mode by key input SERVICE is disabled.
5.Service mode can be switched to 4 modes as follows by key input MENU;
Adjustment mode
Setting mode
Check mode
Option mode
First mode of service mode when SERVICE key is pressed.
First mode of service mode when local key CH-UP + VOL-DOWN is pressed after MCU reset.
6.AFT processing is disabled during service mode. PLL setting data is set to fo data.
7.All user data are set to default during service mode. FAO and SPEAKER user settings are off and on respectively in service mode. Energy Save is off.
8.Sleep timer, View timer, on timer and off timer are inactivated in Service mode.
9.Sound is muting in service mode except at Adjustment Items V20, M01, M03, M04, M05, and M06.
6
21V-R70M
Adjustment Mode Items
No. |
Item Name |
IC |
Register |
Range |
Default |
V01 |
SUB-PICTURE |
1 Chip |
CONTRAST |
0~127 |
127 |
V02 |
SUB-TINT |
1 Chip |
TINT |
0~127 |
64 |
V03 |
SUB-COLOR |
1 Chip |
COLOR |
0~127 |
64 |
V04 |
SUB-BRIGHT |
1 Chip |
BRIGHT |
0~255 |
128 |
V05 |
SUB-SHARP |
1 Chip |
VIDEO-TONE |
0~63 |
43 |
V06 |
V-SHIFT |
1 Chip |
V-SHIFT |
0~7 |
4 |
V07 |
H-SHIFT |
1 Chip |
H-PHASE |
0~31 |
16 |
V08 |
RF-AGC |
1 Chip |
RF-DELAY |
0~127 |
127 |
V09 |
V-SIZE |
1 Chip |
V-SIZE |
0~63 |
32 |
V10 |
PIF-VCO |
1 Chip |
VIF-VCO |
0~63 |
32 |
V11 |
R-CUTOFF |
1 Chip |
R-CUTOFF |
0~255 |
127 |
V12 |
G-CUTOFF |
1 Chip |
G-CUTOFF |
0~255 |
127 |
V13 |
B-CUTOFF |
1 Chip |
B-CUTOFF |
0~255 |
127 |
V14 |
R-DRIVE |
1 Chip |
R-DRIVE |
0~127 |
64 |
V15 |
B-DRIVE |
1 Chip |
B-DRIVE |
0~127 |
64 |
V16 |
SUB-COLOR(YUV) |
1 Chip |
COLOR |
0~127 |
64 |
V17 |
SUB-TINT(YUV) |
1 Chip |
BASEBAND-TINT |
0~127 |
64 |
V18 |
CC-POS |
MICON |
CC-POS |
0~255 |
32 |
V19 |
SCREEN CUT OFF |
1 Chip |
CUT OFF |
0~2 |
0 |
V20 |
SUB-VOL |
1 Chip |
A-ATT |
0~127 |
127 |
V21 |
H-VCO |
1 Chip |
H-VCO |
0~7 |
4 |
M01 |
MTS-ATT |
MTS |
ATT (MTS) |
0~15 |
10 |
M02 |
MTS-VCO |
MTS |
VCO (MTS) |
0~63 |
32 |
M03 |
MTS-FILTER |
MTS |
FILTER (MTS) |
0~63 |
28 |
M04 |
MTS-WIDEBAND |
MTS |
WIDEBAND (MTS) |
0~63 |
27 |
M05 |
MTS-SPECTRAL |
MTS |
SPECTRAL (MTS) |
0~63 |
32 |
M06 |
SUB-VOL |
MTS |
VOL (MTS) |
0~63 |
63 |
7
21V-R70M
SELF ADJUSTMENT
H-VCO
1.When there is H-VCO self-adjustment key input for adjustment item H-VCO, self-adjustment is performed.
2.H-FREE(1chip) is set to 1.
3.H-OUT is set by intelligent monitor output.
4.IM input is set as TIM input.
5.H-VCO(1chip) data is changed so that the number of input pulse is 125 inside 8ms interval.
6.When adjustment completed, OSD display and H-VCO self-adjustment status data of EEPROM are updated.
7.H-FREE(1chip), intelligent monitor output and IM input mode are recovered.
RF-AGC
1.When there is RF-AGC self-adjustment key input for adjustment item RF-AGC, self-adjustment is performed.
2.AGC-OUT is set by intelligent monitor output.
3.IM input is set as AD input.
4.By decreasing RF-AGC (1chip) data from current RF-AGC adjustment value to 0, AFT input voltage becomes the maximum setting value.
5.Increase RF-AGC(1chip) data, when AFT input voltage is at (max. 0.3V) point, adjustment is completed.
6.When adjustment completed, OSD display and RF-AGC self-adjustment status data of EEPROM are updated.
7.Intelligent monitor output and IM input mode are recovered.
PIF-VCO
1.When there is PIF-VCO self-adjustment key input for adjustment item PIF-VCO, self-adjustment is performed.
2.VIF-DEF(1chip) is set to 1.
3.AFC is set by intelligent monitor output.
4.IM input is set as AD input.
5.VIF-VCO(1chip) data is changed so that input voltage becomes 2.5V.
6.When adjustment completed, OSD display and PIF-VCO self-adjustment status data of EEPROM are updated.
7.VIF-DEF(1chip), intelligent monitor output and IM input mode are recovered.
8
21V-R70M
Setting Mode Items
No. |
Item Name |
IC |
Register |
Range |
Default |
F01 |
VIDEO TONE -GAIN (TV) |
1 Chips |
V-TONE |
0/1 |
0 |
F02 |
VIDEO TONE -GAIN (AV) |
1 Chips |
V-TONE |
0/1 |
0 |
F03 |
VIDEO TONE -GAIN (S-AV) |
1 Chips |
V-TONE |
0/1 |
0 |
F04 |
VIDEO TONE -GAIN(YUV) |
1 Chips |
V-TONE |
0/1 |
0 |
F05 |
ABCL |
1 Chips |
ABCL |
0/1 |
0 |
F06 |
BS |
1 Chips |
BS-OFF |
0/1 |
0 |
F07 |
ABCL-G |
1 Chips |
ABCL-G |
0/1 |
0 |
F08 |
SHP-AV |
OFFSET |
VIDEO-TONE(OFFSET) |
-16~+16 |
0 |
F09 |
SHP-SAV |
OFFSET |
VIDEO-TONE(OFFSET) |
-16~+16 |
0 |
F10 |
SHP-YUV |
OFFSET |
VIDEO-TONE(OFFSET) |
-16~+16 |
0 |
F11 |
RGB-CLIP |
1 Chips |
EXTRGB-CLIP |
0/1 |
0 |
F12 |
E-SAVE |
OFFSET |
CONTRAST(OFFSET) |
0~63 |
30 |
F13 |
FAO-VOL |
1 Chips |
A-ATT |
0~127 |
120 |
F14 |
PIF-G |
1 Chips |
VIF-GAIN |
0~7 |
4 |
F15 |
Y-DELAY(TV) |
1 Chips |
Y-DELAY |
0~7 |
0 |
F16 |
Y-DELAY(AV) |
1 Chips |
Y-DELAY |
0~7 |
0 |
F17 |
Y-DELAY(SAV) |
1 Chips |
Y-DELAY |
0~7 |
0 |
F18 |
Y-DELAY(YUV) |
1 Chips |
Y-DELAY |
0~7 |
0 |
F19 |
TINT-AV |
OFFSET |
TINT(OFFSET) |
-32~+32 |
0 |
F20 |
TINT-SAV |
OFFSET |
TINT(OFFSET) |
-32~+32 |
0 |
F21 |
COL-AV |
OFFSET |
COLOR(OFFSET) |
-32~+32 |
0 |
F22 |
COL-SAV |
OFFSET |
COLOR(OFFSET) |
-32~+32 |
0 |
F23 |
R-DRI(R2) |
OFFSET |
R-DRI(OFFSET) |
-32~+32 |
0 |
F24 |
R-DRI( R) |
OFFSET |
R-DRI(OFFSET) |
-32~+32 |
0 |
F25 |
R-DRI(B) |
OFFSET |
R-DRI(OFFSET) |
-32~+32 |
0 |
F26 |
B-DRI(R2) |
OFFSET |
B-DRI(OFFSET) |
-32~+32 |
0 |
F27 |
B-DRI( R) |
OFFSET |
B-DRI(OFFSET) |
-32~+32 |
0 |
F28 |
B-DRI(B) |
OFFSET |
B-DRI(OFFSET) |
-32~+32 |
0 |
F29 |
V-FREE |
1 Chips |
V-FREE |
0/1 |
0 |
F30 |
GAMMA |
1 Chips |
GAMMA |
0~3 |
0 |
F31 |
TRAP(TV) |
1 Chips |
TRAP-FINE |
0~3 |
2 |
F32 |
TRAP(AV) |
1 Chips |
TRAP-FINE |
0~3 |
2 |
F33 |
H-FREE |
1 Chips |
H-FREE |
0/1 |
0 |
F34 |
1W(TV) |
1 Chips |
V.WINDOW |
0/1 |
0 |
F35 |
1W(AV) |
1 Chips |
V.WINDOW |
0/1 |
0 |
F36 |
YLPF |
1 Chips |
YSW-LPF |
0/1 |
1 |
F37 |
BS-D |
1 Chips |
BS-DISCHARGE |
0~3 |
0 |
F38 |
BS-C |
1 Chips |
BS-CHARGE |
0~3 |
0 |
F39 |
SL(TV) |
1 Chips |
S-SLICE DOWN |
0~3 |
0 |
F40 |
SL(AV) |
1 Chips |
S-SLICE DOWN |
0~3 |
0 |
F41 |
SL(SAV) |
1 Chips |
S-SLICE DOWN |
0~3 |
0 |
F42 |
SL(YUV) |
1 Chips |
S-SLICE DOWN |
0~3 |
0 |
F43 |
AFC2 |
1 Chips |
AFC2-G |
0/1 |
0 |
F44 |
VD(TV) |
1 Chips |
VSYNC-DET |
0/1 |
0 |
F45 |
VD(AV) |
1 Chips |
VSYNC-DET |
0/1 |
0 |
F46 |
AS(TV) |
1 Chips |
AUTO-SLICE |
0/1 |
0 |
F47 |
AS(AV) |
1 Chips |
AUTO-SLICE |
0/1 |
0 |
F48 |
AS(SAV) |
1 Chips |
AUTO-SLICE |
0/1 |
0 |
F49 |
AS(YUV) |
1 Chips |
AUTO-SLICE |
0/1 |
0 |
F50 |
FBP(TV) |
1 Chips |
FBP VTH |
0/1 |
0 |
F51 |
FBP(AV) |
1 Chips |
FBP VTH |
0/1 |
0 |
F52 |
FBP(SAV) |
1 Chips |
FBP VTH |
0/1 |
0 |
F53 |
FBP(YUV) |
1 Chips |
FBP VTH |
0/1 |
0 |
F54 |
C.CLIP LEVEL |
1 Chips |
C.CLIP LEVEL |
0/1 |
0 |
9
21V-R70M
Setting Mode Items (Continued)
No. |
Item Name |
IC |
Register |
Range |
Default |
F55 |
PSW |
MTS |
PSW |
0/1 |
0 |
F56 |
FAO-VOL |
MTS |
VOL |
0~63 |
60 |
F57 |
CP |
PLL |
CHARGE PUMP |
0/1 |
0 |
F58 |
CC LEVEL |
MICON |
CC LEVEL |
0/1 |
0 |
F59 |
OSD POS |
MICON |
OSD POS |
0/1 |
0 |
F60 |
OFFSET-ADJ-COL |
1 Chips |
COLOR |
-32~+32 |
0 |
F61 |
OFFSET-ADJ-TINT |
1 Chips |
TINT |
-32~+32 |
0 |
F62 |
OFFSET-ADJ-TINT-YUV |
1 Chips |
BASEBAND-TINT |
-32~+32 |
0 |
F63 |
TIMER4-LOW SPEED |
1 Chips |
TIMER4 VALUE |
0~225 |
50 |
F64 |
TIMER4-HIGH SPEED |
1 Chips |
TIMER4 VALUE |
0~225 |
125 |
F65 |
R-CUT-YUV |
1 Chips |
R-CUT(OFFSET) |
-63~+63 |
0 |
F66 |
G-CUT-YUV |
1 Chips |
G-CUT(OFFSET) |
-63~+63 |
0 |
F67 |
B-CUT-YUV |
1 Chips |
B-CUT(OFFSET) |
-63~+63 |
0 |
F68 |
R-DRI-YUV |
1 Chips |
R-DRI(OFFSET) |
-63~+63 |
0 |
F69 |
B-DRI-YUV |
1 Chips |
B-DRI(OFFSET) |
-63~+63 |
0 |
F70 |
CLOCK-ADJ |
1 Chips |
|
0~25 |
25 |
10
21V-R70M
Option Mode Items
No |
OPTION FUNCTION |
0 |
1 |
Default Data |
001 |
DEMO |
Without DEMO |
With DEMO |
1 |
002 |
DOWNLOAD |
Without V-CHIP OP |
With V-CHIP OP |
0 |
003 |
V-CHIP |
Without V-CHIP |
With V-CHIP |
0 |
004 |
SPEAKER |
Without SPEAKER |
With SPEAKER |
1 |
005 |
FAO |
Without FAO |
With FAO |
1 |
006 |
P.PREF |
Without P.REF |
With P.REF |
1 |
007 |
UNIV+ |
Without UNIV+ |
With UNIV+ |
1 |
008 |
VIEW TIMER |
Without VIEW TIMER |
With VIEW TIMER |
1 |
009 |
EZ-SETUP |
EZ-SETUP |
AUTO PRESET |
0 |
010 |
PON-CH |
Without POWER-ON |
With POWER-ON |
0 |
011 |
FAV-COL |
FAV-COL |
COL-TEMP |
1 |
012 |
COMPONENT |
Without COMPONENT |
With COMPONENT |
1 |
013 |
AV |
Without AV |
With AV |
1 |
014 |
AV2 |
AV1 system |
AV2 system |
1 |
015 |
MTS |
Without MTS |
With MTS |
1 |
016 |
TONE-CTRL |
Without S-ADJ |
With S-ADJ |
1 |
017 |
AUTO-OFF |
Without AUTO-OFF |
With AUTO-OFF |
1 |
018 |
INIT-LANG |
ENGLISH |
SPANISH |
1 |
019 |
SETUP-FLAG |
NO SET UP |
AUTO SET UP |
1 |
020 |
AV-FR |
"0"=NO AV "1"=REAR "2"=FRONT "3"=REAR & FRONT |
3 |
|
021 |
AV3/S-IN |
Without AV3/S-IN |
With AV3/S-IN |
0 |
022 |
COMB |
Without COMB |
With COMB |
0 |
023 |
AUTO-INPUT |
Without AUTO-INPUT |
With AUTO-INPUT |
1 |
024 |
CLOCK |
Without CLOCK |
With CLOCK |
1 |
025 |
LED |
SEMEX MODEL |
SPC MODEL |
0 |
026 |
FLAT |
Not FLAT MODEL |
FLAT MODEL |
1 |
027 |
BASS BOOST |
Without BASS BOOST |
With BASS BOOST |
0 |
028 |
DSE |
Without DSE |
With DSE |
0 |
029 |
SRS |
Without SRS |
With SRS |
0 |
030 |
WHITE-OUT |
Without WHITE-OUT |
With WHITE-OUT |
1 |
Check Mode
Micron mask version, software version and ROM correction function status are displayed in check mode.
11
21V-R70M
ADJUSTMENT METHOD
Caution: to get into the service mode, one of the ways is press direct key for service items.
There is three stage of Service Mode data First stage data from V01 ~ M06
to go into second stage of service mode data, press MENU key Second stage data from F01 ~ F70
to go into third stage of service mode data, press MENU key Third stage data from 001 ~ 030
Below is the contents of these data
First Stage |
|
|
|
|
|
|
|
|
|
Data |
Service Mode |
Function |
Range |
Default Data |
V01 |
SUB-PICTURE |
CONTRAST |
0~127 |
127 |
V02 |
SUB-TINT |
TINT |
0~127 |
64 |
V03 |
SUB-COLOR |
COLOR |
0~127 |
64 |
V04 |
SUB-BRIGHT |
BRIGHT |
0~255 |
128 |
V05 |
SUB-SHARP |
VIDEO-TONE |
0~63 |
43 |
V06 |
V-SHIFT |
V-SHIFT |
0~7 |
4 |
V07 |
H-SHIFT |
H-PHASE |
0~31 |
16 |
V08 |
RF-AGC |
RF-DELAY |
0~127 |
127 |
V09 |
V-SIZE |
V-SIZE |
0~63 |
32 |
V10 |
PIF-VCO |
VIF-VCO |
0~63 |
32 |
V11 |
R-CUTOFF |
R-CUTOFF |
0~255 |
127 |
V12 |
G-CUTOFF |
G-CUTOFF |
0~255 |
127 |
V13 |
B-CUTOFF |
B-CUTOFF |
0~255 |
127 |
V14 |
R-DRIVE |
R-DRIVE |
0~127 |
64 |
V15 |
B-DRIVE |
B-DRIVE |
0~127 |
64 |
V16 |
SUB-COLOR(YUV) |
COLOR |
0~127 |
64 |
V17 |
SUB-TINT(YUV) |
BASEBAND-TINT |
0~127 |
64 |
V18 |
CC-POS |
CC-POS |
0~255 |
32 |
V19 |
SCREEN CUT OFF |
CUT OFF |
0~2 |
0 |
V20 |
SUB-VOL |
A-ATT |
0~127 |
127 |
V21 |
H-VCO |
H-VCO |
0~7 |
4 |
M01 |
MTS-ATT |
ATT (MTS) |
0~15 |
10 |
M02 |
MTS-VCO |
VCO (MTS) |
0~63 |
32 |
M03 |
MTS-FILTER |
FILTER (MTS) |
0~63 |
28 |
M04 |
MTS-WIDEBAND |
WIDEBAND (MTS) |
0~63 |
27 |
M05 |
MTS-SPECTRAL |
SPECTRAL (MTS) |
0~63 |
32 |
M06 |
SUB-VOL |
VOL (MTS) |
0~63 |
63 |
Auto Adjustment Item
1.H-VCO
2.RF-AGC
3.PIF-VCO
12
21V-R70M
Second Stage |
|
|
|
|
|
|
|
|
|
Data |
Service Mode |
Function |
Range |
Default Data |
F01 |
VIDEO TONE -GAIN (TV) |
V-TONE |
0/1 |
0 |
F02 |
VIDEO TONE -GAIN (AV) |
V-TONE |
0/1 |
0 |
F03 |
VIDEO TONE -GAIN (S-AV) |
V-TONE |
0/1 |
0 |
F04 |
VIDEO TONE -GAIN(YUV) |
V-TONE |
0/1 |
0 |
F05 |
ABCL |
ABCL |
0/1 |
0 |
F06 |
BS |
BS-OFF |
0/1 |
0 |
F07 |
ABCL-G |
ABCL-G |
0/1 |
0 |
F08 |
SHP-AV |
VIDEO-TONE(OFFSET) |
-16~+16 |
0 |
F09 |
SHP-SAV |
VIDEO-TONE(OFFSET) |
-16~+16 |
0 |
F10 |
SHP-YUV |
VIDEO-TONE(OFFSET) |
-16~+16 |
0 |
F11 |
RGB-CLIP |
EXTRGB-CLIP |
0/1 |
0 |
F12 |
E-SAVE |
CONTRAST(OFFSET) |
0~63 |
30 |
F13 |
FAO-VOL |
A-ATT |
0~127 |
120 |
F14 |
PIF-G |
VIF-GAIN |
0~7 |
4 |
F15 |
Y-DELAY(TV) |
Y-DELAY |
0~7 |
0 |
F16 |
Y-DELAY(AV) |
Y-DELAY |
0~7 |
0 |
F17 |
Y-DELAY(SAV) |
Y-DELAY |
0~7 |
0 |
F18 |
Y-DELAY(YUV) |
Y-DELAY |
0~7 |
0 |
F19 |
TINT-AV |
TINT(OFFSET) |
-32~+32 |
0 |
F20 |
TINT-SAV |
TINT(OFFSET) |
-32~+32 |
0 |
F21 |
COL-AV |
COLOR(OFFSET) |
-32~+32 |
0 |
F22 |
COL-SAV |
COLOR(OFFSET) |
-32~+32 |
0 |
F23 |
R-DRI(R2) |
R-DRI(OFFSET) |
-32~+32 |
0 |
F24 |
R-DRI( R) |
R-DRI(OFFSET) |
-32~+32 |
0 |
F25 |
R-DRI(B) |
R-DRI(OFFSET) |
-32~+32 |
0 |
F26 |
B-DRI(R2) |
B-DRI(OFFSET) |
-32~+32 |
0 |
F27 |
B-DRI( R) |
B-DRI(OFFSET) |
-32~+32 |
0 |
F28 |
B-DRI(B) |
B-DRI(OFFSET) |
-32~+32 |
0 |
F29 |
V-FREE |
V-FREE |
0/1 |
0 |
F30 |
GAMMA |
GAMMA |
0~3 |
0 |
F31 |
TRAP(TV) |
TRAP-FINE |
0~3 |
2 |
F32 |
TRAP(AV) |
TRAP-FINE |
0~3 |
2 |
F33 |
H-FREE |
H-FREE |
0/1 |
0 |
F34 |
1W(TV) |
V.WINDOW |
0/1 |
0 |
F35 |
1W(AV) |
V.WINDOW |
0/1 |
0 |
F36 |
YLPF |
YSW-LPF |
0/1 |
1 |
F37 |
BS-D |
BS-DISCHARGE |
0~3 |
0 |
F38 |
BS-C |
BS-CHARGE |
0~3 |
0 |
F39 |
SL(TV) |
S-SLICE DOWN |
0~3 |
0 |
F40 |
SL(AV) |
S-SLICE DOWN |
0~3 |
0 |
F41 |
SL(SAV) |
S-SLICE DOWN |
0~3 |
0 |
F42 |
SL(YUV) |
S-SLICE DOWN |
0~3 |
0 |
F43 |
AFC2 |
AFC2-G |
0/1 |
0 |
F44 |
VD(TV) |
VSYNC-DET |
0/1 |
0 |
F45 |
VD(AV) |
VSYNC-DET |
0/1 |
0 |
F46 |
AS(TV) |
AUTO-SLICE |
0/1 |
0 |
F47 |
AS(AV) |
AUTO-SLICE |
0/1 |
0 |
F48 |
AS(SAV) |
AUTO-SLICE |
0/1 |
0 |
F49 |
AS(YUV) |
AUTO-SLICE |
0/1 |
0 |
F50 |
FBP(TV) |
FBP VTH |
0/1 |
0 |
F51 |
FBP(AV) |
FBP VTH |
0/1 |
0 |
F52 |
FBP(SAV) |
FBP VTH |
0/1 |
0 |
F53 |
FBP(YUV) |
FBP VTH |
0/1 |
0 |
F54 |
C.CLIP LEVEL |
C.CLIP LEVEL |
0/1 |
0 |
F55 |
PSW |
PSW |
0/1 |
0 |
F56 |
FAO-VOL |
VOL |
0~63 |
60 |
13
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