STEREO
21C-FX1(C)/(G)
21C-FX5/FX8
SERVICE MANUAL
S32G721C-FX5/
COLOUR TELEVISION
Chassis No. UAF-C
PUSH OPEN
21C-FX1(C)/(G)
MODELS
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.
21C-FX5/FX8
FEATURE
Ë
Multi 21 Systems
Ë
Full Auto Channel Preset and Auto Channel Skip
Ë
100-CH Program Memory
Ë
CATV(Hyper Band) Ready <Used Frequency Synthesizer
Tuner>
Ë
Black Stretch Circuit
Ë
On Timer/Sleep T imer/Reminder Timer
Ë
Blue Back Noise Mute
Ë
Front AV-In & Rear AV-IN/OUT Terminals
Ë
Colour Comb Filter (NTSC Only)
Ë
High Contrast Picture
Ë
Hotel Mode
Ë
Multi Longuages OSD(Eng/Chi/Fre/Malay/Arab/Russian)
Ë
NICAM I, B/G, D/K & A2 STEREO B/G(21C-FX5/FX8)
Ë
TELETEXT (One Page)-English / German / French /
Spanish / Italian / Swedish (21C-FX5)
Ë
White Temperature Adjustment
CONTENTS
Page Page
» SPECIFICATIONS...........................................2
» IMPORTANT SERVICE NOTES...................... 2
» ADJUSTMENT PRECAUTIONS ..................... 3
» HOTEL MODE APPLICATION ...................... 13
» MEMORY MAP..............................................14
» TROUBLE SHOOTING TABLE .....................26
» SOLID STATE DEVICE BASE DIAGRAM.....28
» CHASSIS LAYOUT........................................29
» WAVEFORMS ............................................... 31
» DESCRIPTION OF SCHEMA TIC DIAGRAM..32
» SCHEMATIC DIAGRAM
■ CRT UNIT.................................................33
■ MAIN UNIT ............................................... 34
■ NICAM Unit .............................................. 40
» BLOCK DIAGRAM ........................................42
» PRINTED WIRING BOARD ASSEMBLIES...47
» REPLACEMENT PARTS LIST
■ ELECTRICAL PARTS...............................52
■ MISCELLANEOUS PARTS ......................58
■ SUPPLIED ACCESSORIES.....................58
■ PACKING PARTS.....................................58
■ CABINET PARTS .....................................58
» PACKING OF THE SET ................................ 59
W ARNING
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power
receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user – serviceable
parts inside. Refer servicing to qualified service personnel.
SHARP CORPORATION
1
SPECIFICATIONS
Convergence .................................................................Self Convergence System
Focus...................................................................... Quadra-Potential Electrostatic
Sweep Deflection......................................................................................Magnetic
Intermediate Frequencies
Picture IF Carrier .................................................................................. 38.9MHz
Sound IF Carrier Frequency
6.5MHz .............................................................................................. 32.4MHz
6.0MHz .............................................................................................. 32.9MHz
5.5MHz .............................................................................................. 33.4MHz
Colour Sub-Carrier Frequency ...........................................................34.47MHz
Power Input .....................................................................110 ~ 240V AC 50/60 Hz
Power Consumption ......................................................... 111W (21C-FX1(C)/(G))
112W (21C-FX5/FX8)
Audio Power Output Rating ..............................................................7.5W(at Max.)
Speaker
Size............................................................................................ 12 x 6 cm (2pc)
Voice Coil Impedance............................................................. 8 ohms at 400 Hz
Aerial Input Impedance
VHF/UHF .......................................................................... 75 ohms Unbalanced
Receiving System
PAL I, B/G, D/K & SECAM B/G, D/K, -K1 & NTSC M
NICAM B/G & A2 STEREO B/G (21C-FX5/FX8)
Receiving Channel
VHF-Channels .......................................E2(48.25MHz) thru E12(224.25MHz)
C1 (49.75 MHz) thru C12 (216.25 MHz)
S1 (105.25 MHz) thru S41 (463.25 MHz)
UHF-Channels...................................E21(471.25MHz) thru E69(855.25MHz)
C13 (471.25 MHz) thru C57 (863.25 MHz)
Dimensions..................................................................................... Width: 621 mm
Height: 468 mm
Depth: 474 mm
Weight(approx): 25 kg
Cabinet material ....................................................................................All Plastics
Specifications are subject to change without prior notice.
IMPORTANT SERVICE NOTES
Maintenance and repair of this receiver should be done by qualified
service personnel only .
SERVICE OF HIGH VOLTAGE SYSTEM AND PICTURE TUBE
When servicing the high voltage system, remove static charge from it by
Connecting a 10K ohm Resistor in series with an insulated wire(such as a
test probe) between picture tube dag and 2nd 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 completely.
X-RAY
This receiver is designed so that any X-Ray radiation is kept to an absolute
Minimum. Since certain malfunctions or servicing may produce potentially
hazardous radiation with prolonged exposure at close range, the followin
precautions should be observed:
1. When repairing the circuit, be sure not to increase the high voltage to more than 30.0kV
(at beam 0
µ
A) for the set.
2. To keep the set in a normal opeartion , be sure to make it function on 27.5kV
±
1.5kV (at
beam 1,350
µ
A) in the case of the set. The set has been factory - Adjusted to the above-
mentioned high voltage.
∴∴
∴∴
∴If there is a possibility that the high voltage fluctuates as a result of the repairs,
never forget to check for such high voltage after the work.
3. Do not substitute a picture tube with unauthorizerd types and/or brands which may
cause excess X-ray radiation.
BEFORE RETURNING THE RECEIVER
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 fishpapers,
cabinet backs, adjustment and compartment covers or shields, isolation resistor- capacity networks, mechanical insulators etc.
2
21C-FX1(C)/(G)
21C-FX5/FX8
2-1 2-2
ADJUSTMENT PRECAUTIONS
This model’s setting are adjusted in two different ways: through the I
2
C bus control and in the conventional
analog manner. The adjustments via the I
2
C bus control include preset-only items and variable data.
1. Setting the service mode by the microprocessor.
1. Short TP1001 & TP1002 to switch to the service mode position, and the microprocessor is in input
mode. (Adjustment through the I2C bus control).
2. Press the CH DOWN / UP key on the remote controller to get ready to select the mode one by one.
3. Press the CH DOWN / UP key on the remote controller to select the modes reversibly one by one.
4. Using the VOLUME UP/ DOWN key on the remote controller, the data can be modified.
5. Disconnect TP1001 & TP1002 to switch to the normal mode (OFF) position, and the microprocessor
is in out of the service mode.
2. Factory Presetting.
1. Short TP1001 & TP1002 to switch to the service mode position and turn on the main power switch.
Initial values are automatically preset, only when a new EEPROM is used (Judge with the first 4 bytes).
2. The initial data are preset as listed in page 6 & 7.
3. Make sure the data need modify or not (Initial data).
Note: Once the chassis has been assembly together and ready to be POWER ON for the FIRST TIME,
make sure to short TP1001 & TP1002 to switch to the service mode position first and then turn on
the main power switch (See 2-(1) above).
Precaution: If haven’t done this initiation, it may possibly generate excessive Beam current.
3. For reference please check with memory map
(UAF-C Series type RH-IX3410CEN5, RH-IX3412CEN5 Attachment)
4. Trouble indications
If the set is interrupted by IIC bus line error, the following indicators work to identify a spot in trouble.
LED (RED) flashing: Flashing time Part's Ref.No. Remarks
2 IC1003 EEP ROM
3 IC801 TVPROCESSOR
4 IC401 AV SWITCH
5 IC305 SOUND PROCESSOR
6 IC2300 (NICAM/IGR) DECODER
8 TU201 TUNER
SERVICE MODE
(1) In the Service Mode, Key is used to select the mode in the following order.
AGC &
GEOMETRIC
MODE
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
AGC Take Over Point (AGC)
Vertical Slope (V-LIN)
Vertical Amplitude(V-AMP)
Vertical Shift (V-CENT)
Horizontal shift (H-CENT)
East-West width (H-SIZE)
Horizontal Parallelogram (EW//)
East-west Parabola/Width (PARA)
East-west Upper Corner Parabola (COR(U))
East-west Lower Corner Parabola (COR(L))
East-west Trapezium (TRAPE)
Horizontal Bow (HB)
S-Correction (S-COR)
WHITE POINT
ADJ.
MODE
↓
↓
↓
↓
↓
↓
↓
↓
↓
White point Red Standard white temp.(DRI-RS)
White point Green Standard white temp. (DRI-GS)
White point Blue Standard white temp (DRI-BS)
White point Red Cold white temp. (DRI-RC)
White point Green Cold white temp. (DRI-GC)
White point Blue Cold white temp. (DRI-BC)
White point Red Warm white temp. (DRI-RW)
White point Green Warm white temp. (DRI-GW)
White point Blue Warm white temp. (DRI-BW)
SUB
ADJ.
MODE
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
Max Volume (SUB-VOL)
Sub Contrast (SUB-CON)
Sub Colour (SUB-COL)
Sub Brightness (SUB-BRI)
Sub Tint (SUB-TINT)
Sub Sharpness (SUB-SHP)
Max Hotel Volume (HTL-VOL)
Hotel Program number (HTL-PRG)
Blue Back Contorast (BB-CON)
OSD RGB Reference (RGB)
Black Level off-set R (CUT-R)
Black Level off-set G (CUT-G)
Cathode Drive Level (CDL)
FORWARD : CH DOWN KEY
REVERSE : CH UP KEY
* ( ) means OSD display.
FORWARD : CH DOWN KEY
REVERSE : CH UP KEY
* ( ) means OSD display.
AGC &
GEOMETRIC
MODE
WHITE POINT
ADJ.
MODE
SUB
ADJ.
MODE
Y-DELAY
ADJ.
MODE
MISC.
OPTION
MODE
IC
OPTION
MODE
OFFSET
ADJ.
MODE
3
3-1 3-2
21C-FX1(C)/(G)
21C-FX5/FX8
Bass Mix for AN7396K (BM-ON)
Bass Mix Effect for AN7396K (BM-EFF)
AGC for AN7396 or AN5891 (AGC-ON)
AGC Adjust for AN7396K or AN5891
(AGC-ADJ)
NICAM AGC (AGC-N)
NICAM AGC Gain adjust (GAIN-N)
FM Output Level (FM-LV)
IGR Output Level (IGR-LV)
NICAM Output Level (B/G) (BG-NLY)
NICAM Output Level (I) (I-NLV)
NICAM Output Level (D/K) (DK-NLV)
NICAM lower error limit (LOW-ERR)
NICAM upper error limit (UP-ERR)
IGR Stereo R ch gain adjust
(tda9873) (IGR-STR)
Vertical Scan Disable (VSD)
Black Stretch (BKS)
Automatic Volume Leveling (AVL)
Fast Filter IF-PLL (FFI)
Enable Vertical Guard
(RGB blanking) (EVG)
EHT Tracking mode [HCO] (EHT)
Overscan Switch OFF (OSO)
Auto Colour Limit (ACL)
Forced Colour ON (FCO)
COLOUR OFFSET (PAL) (COL-OP)
COLOUR OFFSET (SECAM) (COL-OS)
COLOUR OFFSET (NTSC358) (COL-O3)
COLOUR OFFSET (NTSC443) (COL-O4)
SHARPNESS OFFSET(PAL) (SHP-OP)
SHARPNESS OFFSET(SECAM) (SHP-OS)
SHARPNESS OFFSET(NTSC358) (SHP-O3)
SHARPNESS OFFSET(NTSC443) (SHP-O4)
Y-DELAY
ADJ.
MODE
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
Y-Delay time for PAL (TV)
(DL-PT)
Y-Delay time for SECAM (TV)
(DL-ST)
Y-Delay time for N358 (TV)
(DL-3T)
Y-Delay time for N443 (TV)
(DL-4T)
Y-Delay time for B/W (TV)
(DL-TV)
Y-Delay time for PAL (AV)
(DL-PA)
Y-Delay time for SECAM (AV)
(DL-SA)
Y-Delay time for N358 (AV)
(DL-3A)
Y-Delay time for N443 (AV)
(DL-4A)
Y-Delay time for B/W (AV)
(DL-AV)
OFFSET
ADJ.
MODE
↓
↓
↓
↓
↓
↓
↓
↓
IC
OPTION
MODE
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
Sound system M (S-M)
Sound system DK (S-DK)
Sound system I (S-I)
Sound system BG (S-BG)
Playback SECAM (P-SECAM)
FE (RF) NTSC 3.58 (F-N358)
FE (RF) NTSC 4.43 (F-N443)
FE (RF) SECAM (F-SECAM)
Video Mute at Ident loss (VMI)
Video Mute at program
/source Change (VMC)
Hotel mode (HTL)
Reduced FM demodulator Gain
(for BTSC sig) (BTSC)
Number of external AV sources (AV)
FM Window Selection (FMWS)
Sound Mute bit 0 (SM0)
Sound Mute bit 1 (SM1)
Thai language (THA)
Arabic language (ARA)
Malay language (MAL)
Chinese language (CHI)
French language (FRE)
Russian language (RUS)
A
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
Forced V-SYNC slicing level (FSL)
Sync of OSD (HP2)
IF AGC speed bit0 (AGC0)
IF AGC speed bit1 (AGC1)
Phi 1 time constant for FE(RF) (FOA-FE)
Phi 2 time constant for FE(RF) (FOB-FE)
Phi 1 time constant for AV (FOA-AV)
Phi 2 time constant for AV (FOB-AV)
Teletext (TXT)
Teletext Western or Eastern characters (TXT-WE)
Teletext pan-European language (TXT-EURO)
IF frequency selection (IF-38.0)
Charge pump (CP)
AN5890 Sound processor present (AN5890)
AN5891 sound processor present (AN5891)
AN7396 sound processor present (AN7396)
NICAM decoding enabled (NICAM)
IGR decoding enabled (IGR)
GAME mode enabled (GAME)
BIL enabled (BIL)
LED Blink Speed When On-Timer is active (LED-F)
PWM Volume table for mono (MSA)
Output Vertical Guard (NDF)
OSD "IGR" or "A2" Display (A2)
MISC.
OPTION
MODE
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
↓
A
4
4-1 4-2
21C-FX1(C)/(G)
21C-FX5/FX8
USER DATA
CONTRAST MAX (64/64)
COLOUR CENT (32/64)
BRIGHTNESS CENT (32/64)
TINT CENT (32/64)
SHARPNESS CENT (32/64)
WHITE TEMP CENT (32/64)
TREBLE CENT (32/64)
BASS CENT (32/64)
SURROUND OFF
BALANCE CENT (32/64)
S-VOLUME MIN (1/64)
BLUE BACK OFF
C SYSTEM AUTO
S SYSTEM *1
USER DATA IN SERVICE MODE
* While SERVICE mode ON, EEPROM DATA will switch to the service data.
Also, once SERVICE mode OFF, EEPROM will switch back to previous USER DATA.
* In the service mode, the user data establish as below,
*1: For each CH, data is
same as before switch
to Service Mode.
* Direct Key-in
MODE KEY-IN KEY
AGC FUNCTION
SUB-BRI BRIGHTNESS UP
DRI-GS TEXT
DRI-BS PICTURE
CUT-R SKIP
CUT-G F2
V-LIN CONTRAST DOWN
V-CENT BRIGHTNESS DOWN
V-AMP COLOUR DOWN
H-CENT TINT DOWN
H-SIZE BALANCE RIGHT
PARA TREBLE UP
TRAPE BASS UP
EW// SHARPNESS DOWN
SUB-COL COLOUR UP
SUB-TINT TINT UP
EEPROM ITEMS OSD DATA LENGTH
INITIAL DATA
FIX/ADJ REMARK
AGC Take Over Point AGC 0 ~ 63 14 (20) ADJ
Vertical Slope V-LIN 0 ~ 63 32 ADJ
Vertical Amplitude V-AMP 0 ~ 63 32 ADJ
Vertical Shift V-CENT 0 ~ 63 32 (15) ADJ
Horizontal shift H-CENT 0 ~ 63 32 ADJ
East-West width H-SIZE 0 ~ 63 32 FIX
Horizontal Parallelogram EW / / 0 ~ 63 32 FIX
East-west Parabola/Width PARA 0 ~ 63 32 FIX
East-west Upper Corner Parabola COR (U) 0 ~ 63 32 FIX
East-west Lower Corner Parabola COR (L) 0 ~ 63 32 FIX
East-west Trapezium TRAPE 0 ~ 63 32 FIX
Horizontal Bow HB 0 ~ 63 32 FIX
S-Correction S-COR 0 ~ 63 0 (24) FIX
White point Red Standard white temp. DRI-RS 0 ~ 63 32 FIX
White point Green Standard white temp. DRI-GS 0 ~ 63 32 ADJ
White point Blue Standard white temp DRI-BS 0 ~ 63 32 ADJ
White point Red Cold white temp. DRI-RC 0 ~ 63 25 FIX *2
White point Green Cold white temp. DRI-GC 0 ~ 63 32 FIX *2
White point Blue Cold white temp. DRI-BC 0 ~ 63 32 FIX (DRI-BS) DATA
White point Red Warm white temp. DRI-RW 0 ~ 63 32 FIX
White point Green Warm white temp. DRI-GW 0 ~ 63 32 FIX (DRI-GS)-7 DATA
White point Blue Warm white temp. DRI-BW 0 ~ 63 32 FIX (DRI-BS)-7 DATA
Max Volume SUB-VOL 0 ~ 60 60 FIX
Sub Contrast SUB-CON 0 ~ 63 63 FIX
Sub Colour SUB-COL 0 ~ 63 32 (20) ADJ
Sub Brightness SUB-BRI 0 ~ 63 32 (20) ADJ
Sub Tint SUB-TINT 0 ~ 63 32 (30) ADJ
Sub Sharpness SUB-SHP 0 ~ 63 32 FIX
Max Hotel Volume HTL-VOL 0 ~ 60 30 FIX
Hotel Program number HTL-PRG
0 ~ 99 OR >99 FOR NONE
255 FIX
Blue Back Contorast BB-CON 0 ~ 15 10 FIX
OSD RGB Reference RGB 0 ~ 15 15 (8) FIX
Black Level off-set R CUT-R 0 ~ 63 32 ADJ
Black Level off-set G CUT-G 0 ~ 63 32 ADJ
Cathode Drive Level CDL 0 ~ 15 0 (9) FIX
Y-Delay time for PAL (TV) DL-PT 0 ~ 15 12 FIX
Y-Delay time for SECAM (TV) DL-ST 0 ~ 15 15 FIX
Y-Delay time for N358 (TV) DL-3T 0 ~ 15 12(5) FIX
Y-Delay time for N443 (TV) DL-4T 0 ~ 15 12(5) FIX
Y-Delay time for B/W (TV) DL-TV 0 ~ 15 12 FIX
Y-Delay time for PAL (AV) DL-PA 0 ~ 15 12 FIX
Y-Delay time for SECAM (AV) DL-SA 0 ~ 15 15 FIX
Y-Delay time for N358 (AV) DL-3A 0 ~ 15 12(5) FIX
Y-Delay time for N443 (AV) DL-4A 0 ~ 15 12(5) FIX
Y-Delay time for B/W (AV) DL-AV 0 ~ 15 12 FIX
After short TP1001 & TP1002, and turn on the MAIN POWER switch, read data from EEPROM address
00H ~ 03H, and compare to the list below, if different, initialize the EEPROM.
Address : Data Address : Data
00H : 55H 02H : 53H
01H : 41H 03H : 36H
5
21C-FX1(C)/(G)
21C-FX5/FX8
5-1 5-2
21C-FX1(C)/(G)
EEPROM ITEMS OSD DATA LENGTH
INITIAL DATA
FIX/ADJ REMARK
COLOUR OFFSET (PAL) COL-OP 0 ~ 15 8 FIX *3
COLOUR OFFSET (SECAM) COL-OS 0 ~ 15 8 FIX *3
COLOUR OFFSET (NTSC358) COL-O3 0 ~ 15 4 FIX *3
COLOUR OFFSET (NTSC443) COL-O4 0 ~ 15 4 FIX *3
SHARPNESS OFFSET(PAL) SHP-OP 0 ~ 15 8 FIX
SHARPNESS OFFSET(SECAM) SHP-OS 0 ~ 15 4 FIX
SHARPNESS OFFSET(NTSC358) SHP-O3 0 ~ 15 12 FIX
SHARPNESS OFFSET(NTSC443) SHP-O4 0 ~ 15 8 FIX
Bass Mix for AN7396K BM-ON
0(DISABLE)/1(ENABLE)
0 FIX
Bass Mix Effect for AN7396K BM-EFF 0 ~ 3 2 FIX
AGC for AN7396 or AN5891 AGC-ON
0(DISABLE)/1(ENABLE)
1 FIX
AGC Adjust for AN7396K or AN5891 AGC-ADJ 0 ~ 3 3 FIX
NICAM AGC AGC-N
0(DISABLE)/1(ENABLE)
0 FIX
NICAM AGC Gain adjust GAIN-N 0 ~ 31 0 FIX
FM Output Level FM-LV 0 ~ 30 15 (22) FIX
IGR Output Level IGR-LV 0 ~ 30 16 (23) FIX
NICAM Output Level (B/G) BG-NLV 0 ~ 30 13 (20) FIX
NICAM Output Level (I) I-NLV 0 ~ 30 18 (25) FIX
NICAM Output Level (D/K) DK-NLV 0 ~ 30 13 (20) FIX
NICAM lower error limit LOW-ERR 0 ~ 255 35 FIX
NICAM upper error limit UP-ERR 0 ~ 255 70 FIX
IGR Stereo R ch gain adjust(tda9873) IGR-STR 0 ~ 13 6 FIX
Vertical Scan Disable VSD
0 or 1 (not Stored)
0 FIX
Black Stretch BKS
0(DISABLE)/1(ENABLE)
1 FIX
Automatic Volume Leveling AVL
0(DISABLE)/1(ENABLE)
1 FIX
Fast Filter IF-PLL FFI
0(DISABLE)/1(ENABLE)
0 FIX
Enable Vertical Guard (RGB blanking) EVG
0(DISABLE)/1(ENABLE)
1 FIX
EHT Tracking mode [HCO] EHT
0(DISABLE)/1(ENABLE)
1 FIX
Overscan Switch Off OSO
0(DISABLE)/1(ENABLE)
0 FIX
Auto Colour Limit ACL
0(DISABLE)/1(ENABLE)
0 (1) FIX
Forced Colour ON FCO
0(DISABLE)/1(ENABLE)
0 FIX
Sound system M S-M
0(DISABLE)/1(ENABLE)
*1 FIX
Sound system DK S-DK
0(DISABLE)/1(ENABLE)
*1 FIX
Sound system I S-I
0(DISABLE)/1(ENABLE)
*1 FIX
Sound system BG S-BG
0(DISABLE)/1(ENABLE)
*1 FIX
Playback SECAM P-SECAM
0(DISABLE)/1(ENABLE)
*1 FIX
FE (RF) NTSC 3.58 F-N358
0(DISABLE)/1(ENABLE)
*1 FIX
FE (RF) NTSC 4.43 F-N443
0(DISABLE)/1(ENABLE)
*1 FIX
FE (RF) SECAM F-SECAM
0(DISABLE)/1(ENABLE)
*1 FIX
Video Mute at Ident loss VMI
0(DISABLE)/1(ENABLE)
1 FIX
Video Mute at program/source Change VMC
0(DISABLE)/1(ENABLE)
1 FIX
Hotel mode HTL
0(DISABLE)/1(ENABLE)
0 FIX
Reduced FM demodulator Gain (for BTSC sig) BTSC
0(DISABLE)/1(ENABLE)
0 FIX
Number of external AV sources AV
0 FOR 1 AV / 1 FOR 2 AV
1 FIX
FM Window Selection FMWS
0(DISABLE)/1(ENABLE)
0 FIX
Sound Mute bit 0 SM0
0(DISABLE)/1(ENABLE)
1 FIX
Sound Mute bit 1 SM1
0(DISABLE)/1(ENABLE)
0 FIX
Thai language THA
0(DISABLE)/1(ENABLE)
0 FIX
Arabic language ARA
0(DISABLE)/1(ENABLE)
1 FIX
Malay language MAL
0(DISABLE)/1(ENABLE)
1 FIX
Chinese language CHI
0(DISABLE)/1(ENABLE)
1 FIX
French language FRE
0(DISABLE)/1(ENABLE)
1 FIX
Russian language RUS
0(DISABLE)/1(ENABLE)
1 FIX
EEPROM ITEMS OSD DATA LENGTH
INITIAL DATA
FIX/ADJ REMARK
Forced V-SYNC slicing level FSL
0(DISABLE)/1(ENABLE)
0 FIX
Sync of OSD HP2
0 FOR Ph1 / 1 FOR Ph2
0 FIX
IF AGC speed bit0 AGC0
0(DISABLE)/1(ENABLE)
1 FIX
IF AGC speed bit1 AGC1
0(DISABLE)/1(ENABLE)
0 FIX
Phi 1 time constant for FE(RF) FOA-FE
0(DISABLE)/1(ENABLE)
0 FIX
Phi 2 time constant for FE(RF) FOB-FE
0(DISABLE)/1(ENABLE)
0 FIX
Phi 1 time constant for AV FOA-AV
0(DISABLE)/1(ENABLE)
1 FIX
Phi 2 time constant for AV FOB-AV
0(DISABLE)/1(ENABLE)
1 FIX
Teletext TXT
0(DISABLE)/1(ENABLE)
*1 FIX
Teletext Western or Eastern characters TXT-WE
0(DISABLE)/1(ENABLE)
0 FIX
0 (teletext pan-
Teletext pan-European language TXT-EURO
european language) /
0 FIX
depends on delivery
(Arabic/Russian))
IF frequency selection IF-38.0
0 (IF FREQUENCY 38.9) /
0 FIX
1 (IF FREQUENCY 38.0)
0 (FAST TUNING) /
Charge pump CP
1 (MODERATE
0(1) FIX
SPEED TUNING)
AN5890 Sound processor present AN5890
0(DISABLE)/1(ENABLE)
1(0) FIX
AN5891 sound processor present AN5891
0(DISABLE)/1(ENABLE)
0(1) FIX
AN7396 sound processor present AN7396
0(DISABLE)/1(ENABLE)
0 FIX
NICAM decoding enabled NICAM
0(DISABLE)/1(ENABLE)
*1 FIX
IGR decoding enabled IGR
0(DISABLE)/1(ENABLE)
*1 FIX
GAME mode enabled GAME
0(DISABLE)/1(ENABLE)
0 FIX
BIL enabled BIL
0(DISABLE)/1(ENABLE)
0 FIX
LED blink Speed when On-Timer is active LED-F 0(62.5Hz)/1(1Hz) 0 FIX
PWM volume table for MONO MSA
0(original table)/1(new table)
0 FIX
Output Vertical Guard NDF
0(lgnore)/1(accopl)
0(1) FIX
OSD "IGR" or "A2" display A2
0(display IGR)/1(display A2)
*1 FIX
EEPROM ITEMS OSD DATA LENGTH
FIX/ADJ
*(1) *(2) *(3)
Sound system M S-M
0(DISABLE)/1(ENABLE)
0 (1) 0 (1) 0 (1)
Sound system DK S-DK
0(DISABLE)/1(ENABLE)
111
Sound system I S-I
0(DISABLE)/1(ENABLE)
111
Sound system BG S-BG
0(DISABLE)/1(ENABLE)
111
Playback SECAM P-SECAM
0(DISABLE)/1(ENABLE)
111
FE (RF) NTSC 3.58 F-N358
0(DISABLE)/1(ENABLE)
0 (1) 0 (1) 0 (1)
FE (RF) NTSC 4.43 F-N443
0(DISABLE)/1(ENABLE)
111
FE (RF) SECAM F-SECAM
0(DISABLE)/1(ENABLE)
111
Teletext TXT
0(DISABLE)/1(ENABLE)
0 (1) 0 0
NICAM decoding enabled NICAM
0(DISABLE)/1(ENABLE)
0 (1) 0 (1) 0
IGR decoding enabled IGR
0(DISABLE)/1(ENABLE)
0 (1) 0 (1) 0
OSD "IGR" or "A2" display A2
0(display IGR)/1(display A2)
0 (1) 0 (1) 0
NOTE :
Please set the EEPROM initial data according to the value in parenthesis ( ) before adjustment.
Fixed data, please do not change without specific instruction.
*1: Please refer the following table.
MODEL : *(1) : 21C-FX5 *(2) :21C-FX8 *(3) : 21C-FX1(C)/(G)
*2 :DRI-RC = 27, DRI-GC = (DRI-GS)-5 for 21C-FX1(G)
DRI-RC = 25, DRI-GC = (DRI-GS)-7 for the other models
*3 :After Adjust SUB-COL then change:
1.COL-0P from 8 to 14
2.COL-0S from 8 to 14
3.COL-03 from 4 to 10
4.COL-04 from 4 to 10
21C-FX5/FX8
6
6-1 6-2
MCL2
CH-NO Fv (MHz) SOUND SYS
0 590.25 B/G
1 46.25 B/G
2 64.25 B/G
3 86.25 B/G
4 95.25 B/G
5 138.25 B/G
6 175.25 B/G
7 182.25 B/G
8 189.25 B/G
9 196.25 B/G
10 209.25 B/G
11 216.25 B/G
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28 527.25 B/G
29
30
31
32
33
34
35
36
37 590.25 B/G
38
39
40
41 48.25 B/G
42 62.25 B/G
43 77.25 D/K
44 175.25 B/G
45 183.25 D/K
46 191.25 D/K
47 210.25 B/G
48 224.25 B/G
49 487.25 I
50 503.25 B/G
51 575.25 B/G
52 599.25 B/G
53 621.25 M
54 639.25 D/K
55 735.25 I
56 767.25 B/G
57 815.25 B/G
58 855.25 I
59 91.25 M
60 183.25 M
MCL1
CH-NO Fv (MHz) SOUND SYS
0
1 48.25 B/G
2 62.25 B/G
3 77.25 D/K
4 175.25 B/G
5 182.25 B/G
6 183.25 D/K
7 191.25 D/K
8 196.25 B/G
9 199.25 M
10 210.25 B/G
11 224.25 B/G
12 471.25 B/G
13 487.25 I
14 503.25 B/G
15 575.25 B/G
16 583.25 B/G
17 599.25 B/G
18 621.25 M
19 639.25 D/K
20 703.25 B/G
21 735.25 I
22 767.25 B/G
23 815.25 B/G
24 855.25 I
25 855.25 B/G
26 55.25 M
27 83.25 M
28 183.25 M
29 193.25 M
30 217.25 M
31 471.25 M
32 477.25 M
33 693.25 M
34 885.25 M
35 112.25 B/G
36 168.25 B/G
37
38 294.25 B/G
39 463.25 B/G
40
41 647.25 B/G
42 663.25 B/G
43 679.25 B/G
44 174.95 B/G
45 175.55 B/G
MCL2
CH-NO Fv (MHz) SOUND SYS
61 193.25 M
62 217.25 M
63 471.25 M
64 693.25 M
65 112.25 B/G
66 168.25 B/G
67 294.25 B/G
68 463.25 B/G
69 174.95 B/G
70 175.55 B/G
INITIAL SETTING
In service mode, after execute select POS 1, store the following tuning data in EEPROM.
SHIPPING SETTING & CHECKING
THE FOLLOWING DEFAULT DATA HAS BEEN FACTORY-SET FOR THE EEPROM.
ITEMS DATA SETTING
LAST PROGRAM/CHANNEL 1
FLASHBACK PROGARM/CH 1
DIGIT 2
C-SYSTEM AUTO
S-SYSTEM *1
SKIP OFF
AFC ON
VOLUME 1
CONTRAST 60 (MAX)
COLOUR 0 (CENTER)
BRIGHTNESS 0 (CENTER)
TINT 0 (CENTER)
SHARPNESS 0 (CENTER)
WHITE TEMP STANDARD
TREBLE 0 (CENTER)
BASS 0 (CENTER)
SURROUND OFF
SURROUND LEVEL 0 (CENTER)
BALANCE 0 (CENTER)
REMINDER TIMER
IN-ACTIVE, "--:--"
ON TIMER
IN-ACTIVE, "--:--"
OFF TIMER
IN-ACTIVE, "--:--"
R/C POWER POWER-ON
LANGUAGE *1
BLUE BACK MUTE ON
HOTEL MODE OFF
0 CHANNEL SKIP ON
LAST TV/AV TV
FACTORY SETTING BY MODEL
(Reference: Geomagnetism Adjustment)
*1: Please refer defaults for LANGUAGE and
SOUND SYSTEM per MODEL as follows,
INITIAL DESTINATION LANGUAGE
SOUND
SYSTEM
1 CHINA CHINESE D/K
2 HONGKONG CHINESE I
3 SINGAPORE ENGLISH B/G
4 MIDDLE EAST ARABIC B/G
5 RUSSIA RUSSIAN D/K
6 MALAYSIA MALAY B/G
7 TAHITI FRENCH D/K
8 AUSTRALIA ENGLISH B/G
MODEL MAGNEIC FIELD(V, H) nT BACKGROUND LANG. S-SYS LANG QTY
B 20,000 40,000 12300K CHINESE I 6
C (SINGAPORE) -10,000 40,000 12300K ENGLISH B/G 6
G 30,000 20,000 18000K ARABIC B/G 6
*NOTE FOR OSD TYPE
ENGLISH/CHINESE/FRENCH/ARABIC/MALAY/RUSSIAN
7
7-1 7-2
21C-FX1(C)/(G)
21C-FX5/FX8
PIF ADJUSTMENT
No. Adjusting point Adjusting procedure/conditions Waveform and others
Tuner IFT
( PRESET )
1 1. Get the tuner ready to receive the CH. E - 9
signal,but with no signal input.
Adjust the PLL data.
2. Connect the sweep generator's output cable to
the tuner antenna. ( RF SWEEP )
3. Adjust the sweep generator's to 80dBµV.
4. Connect the response lead ( use LOW IMPEDANCE probe with wave detector ; see Fig.1 ) to
the tuner's IF output terminal. ( This terminal
must have the probe alone connected ).
5. Set the RF AGC to 0 - 6 V with no saturation with
the waveform.
6. Adjust the tuner IF coil to obtain the waveform as
shown in Fig. 2.
Note: Be sure to keep the tuner cover in posi-
tion during this adjustment.
RF-AGC
TAKE OVER
POINT ADJUSTMENT
(I2C BUS
CONTROL)
1. Receive "PAL COLOUR BAR" signal.
» Signal Strength: 54 ± 1 dBµV (75 ohm open)
2. Connect the oscilloscope to TP201 (Tuner’s AGC
Terminal) as shown in Fig. 3.
3. Call "AGC" mode in service mode. Adjust the
"AGC" bus data to obtain the Tuner output pin
drop 0.1V below maximum voltage.
4. Change the antenna input signal to 63~67dBµV,
and make sure there is no noise.
5. Turn up the input signal to 90~95 dBµV to be sure
that there is no cross modulation beat.
Note: For the 50 ohm signal
strength gauge, when not
using 50/75 impedance
adapter, signal strength is
52
±
1dBµV(75 ohm open), in-
stead of 54
±
1dBµV (75 ohm
open).
Precaution: The loss of using
impedance adapter.
2
» Bias box: About 4.5 V
Oscilloscope
0.1V
TV Set
Bias box
TP201+
+
—
—
E-9 CH
P C
10k
100k
1n60
75ohm
IF OUT
-1.5+/-0.8dB
1000p
1000p
Oscilloscope
SIF (NICAM/IGR) ADJUSTMENT
No. Adjusting point Adjusting procedure/conditions Waveform and others
VCO COIL
T2300
1 1. Receive “PAL colour bar” signal.(E-69)
(Set AFT ON 855.25MHz frequency).
2. Connect DC Voltmater to TP202 (MAIN BOARD
TEST POINT).
3. Check and turn T2300 counter-clockwise (Left)
to 0V and then turn it clockwise (Right) until TP202
become 5V.
After that, turn T2300 counter-clockwise (Left) until
TP202 became 2.5 ± 0.1Vdc.
* UNIT BOARD ADJUSTMENT
Vcc 5V ± 0.1V
IF Input Frequency 38.9MHz ± 0.1V
Adjust T2300 unit TP2300 (NICAM BOARD TEST
POINT) become 2.5 ± 1.0V
Check after assembly NICAM BOARD
Test point: TP202 (IN MAIN BORD).
Preset selected receptiion frequency (AFT OFF)
Check Voltage 2.5 ± 1.0Vdc.
Precaution: The Vcc, fo and other factors are
considered in theunit board of
the 1.0V tolerance which differ
from the adjustment accuracy.
*For model
21C-FX5 and 21C-FX8
8
21C-FX1(C)/(G)
21C-FX5/FX8
8-1 8-2
PURITY ADJUSTMENT
No. Adjusting point Adjusting procedure/conditions Waveform and others
PURITY ADJ. 1. Receive the GREEN-ONLY signal. Adjust the
beam current to ~700 µA.
2. Degauss the CRT enough with the degausing coil.
Note: Follow the Job Instruction Sheet to ad-
just the magnetic field.
Vertical Bv: +0.030 mT (0.30 gauss)
Horizontal Bh: +0.020 mT (0.20 gauss)
(Reference: page E-13)
3. Maintain the purity magnet at the zero magnetic
field and keep the static convergence roughly
adjusted.
4. Observe the points a, b as shown in Fig. 4-1
through the microscope. Adjust the landing to the
A rank requirements.
5. Orient the raster rotation to 0 eastward.
6. Tighten up the deflection coil screws.
» Tightening torque: 108 ± 20 N (11 ± 2 kgf)
7. Make sure the CRT corners landing meet the A
rank requirements. If not, stick the magnet sheet
to correct it.
Note: Thi s adjus tment m ust be done after
warming up the unit for 30 minutes or
longer with a beam current over 700
µ
A.
Note: Set the service mode by TP1001 &
TP1002 (short) then press factory process R/C RGB key to change to RGB
mono colour mode.
* For the following colours press R/C RGB key to
change.
1
a
b
A
B
A
30mm 30mm
B
A = B
A = B
Rank "A"
(on the right of the CRT)
Rank "A"
(on the left of the CRT)
Fig. 4-1
Fig. 4-2
Fig. 4-3
* Press R/C RGB key for 1 sec-
ond in NORMAL MODE, the
colour will change to RGB
mono colour mode.
T ext Key “ R.G.Cy “ Key can be
directly use to change to other
colours screen.
Signal-colour
screen cleared
GREEN
ONLY
BLUE
ONLY
RED
ONLY
CONVERGENCE ADJUSTMENT
No. Adjusting point Adjusting procedure/conditions Waveform and others
CONVERGENC
ADJ.
( To be done
after the purity
adjustment.
1. Receive the "Crosshatch Pattern" signal.
2. Using the remote controller, call NORMAL mode.
Static convergence
1. Turn the 4-pole magnet to a proper opening angle in order to superpose the blue and red colours.
2. Turn the 6-pole magnet to a proper opening angle in order to superpose the green colour over
the blue and red colours.
Dynamic convergence
1. Adjust the convergence on the fringes of the
screen in the following steps.
a) Fig. 5-1: Drive the wedge at point "a" and swing
the deflection coil upward.
b) Fig. 5-2: Drive the wedge at points "b" and "c"
and swing the deflection coil downward.
c) Fig. 5-3: Drive the "c" wedge deeper and swing
the deflection coil rightward.
d) Fig. 5-4: Drive the "b" wedge deeper and
swing the deflection coil leftward.
2. Fix all the wedges on the CRT and apply glass
tape over them.
3. Apply lacquer to the deflection yoke lock screw,
magnet unit (purity, 4-pole, 6-pole magnets) and
magnet unit lock screw.
Finally received the Red-only and Blue-only signals to make sure there is no other colours on the
screen.
1
RGB
BGR
R
G
B
R
G
B
B
G
R
B
G
R
RGB
BGR
Lacquer
Wedge "a"
Wedge
"b"
Wedge
"c"
About
100Deg
About
100Deg
4-pole magnet
6-pole magnet
CRT neck
20mm
Lacquer
Purity magnet
Fig. 5-1
Fig. 5-2
Fig. 5-3
Fig. 5-4
Fig. 5-5
Fig. 5-6
9
9-1 9-2
21C-FX1(C)/(G)
21C-FX5/FX8
21C-FX1(C)/(G)
CUT-OFF, BACKGROUND AND SUB-CONTRAST ADJUSTMENT
No. Adjusting point Adjusting procedure/conditions Waveform and others
CRT CUTOFF
ADJUSTMENT
1. Switch TV to VIDEO mode,BLUE BACK OFF, without VIDEO signal.
2. Press R/C to set Picture Normal condition.
3. First off the screen by adjust screen variable resistor.
*4. Next, check AKB circuit function by slowly increase
screen variable resistor until colour raster suddenly
On and Off (AKB start function).
5. Then continue adjust unfil retrace line appear.
6. Finally, slowly decrease the screen variablu resistor unfil screen retrace line (Not Raster) Cut Off.
*NOTE : Must comfirm the AKB function in set before
continue the next adjustment.
REMARK:
1. Before CRT Cutoff adjustment, SUB-BRIGHT, DRIRS/RC/RW, DRI-GS/GC/GW, DRI-BS/BC/BW,
CUT-R and CUT-G must be in initial data.
2. CRT Cutoff adjustment must be done inside a dark
room.
1
SUB-BRIGHTNESS
ADJUSMENT
(I2C BUS
CONTROL)
1. Call " SUB-BRI" in service mode. (Receive Cross-
hatch pattern with 5 black level windows)
2. Adjust the " SUB BRIGHT " bus data in order that
the line 1 and 2 have the same darkness whereas
line 3 is one step (data) brighter than line 2 .Finally data minus 1 to make line 1,2 and 3 are in
same level darkness.
2
1 2 3 4 5
1
1 2 3 4 5
2
line 3 is one step (data) brighter
than line 2.
WHITE BALANCE SERVICE MODE
ADJ. (I2C BUS
CONTROL)
1. Receive the "WHITE" pattern with BURST SIGNAL.
2. Press R/C to set Picture NORMAL condition.
3. Connect the DC miliammeter between the TP602
(-) TP603 (+).
4. Check Beam current should be around 1,350 µA.
5. Set it to service mode and adjust the " DRI-GS"
(White Point-G), "DRI-BS" (White Point-B) data
to have a colour temperature of 12,300°K or
18000ºK (white).
* Note .
6. Receive "White" pattern, with BURST signal, and
set Brightness Y by generator, to **10cd/m
2
(Minolta CA-100) by reducing Luminate Y signal.
7. Adjust "CUT-R" & "CUT-G" to get 12,300°K or
18000ºK . Then go back normal mode (High
Bright**) to check colour temperature. If out of
range, back to 5.
3 Refer to Page 7-2.
*18000°K X: 0.255
Y: 0.255
*12300°K X: 0.272
Y: 0.275
(MINOLTA COLOUR ANALYZER
CA-100)
*Note: Above Data can be UP/
DOWN by Volume key.
Low High
**Note: 10cd/m
2
180cd/m
2
*Alternative Procedure:
(1).Step (1),(2),(3) and (4) are same
as beside procedure.
(2).Then continue adjust until re-
trace appear and make sure the
colour appear wheather red,
green or blue
(3).Connect the oscilloscope to re-
lated test points as below which
is based on colour appear at (2)
Colour Appear Test Point
RED TP 851
GREEN TP 852
BLUE TP 853
(4).Then adjust SCREEN VR until
the tip of signal reach
3.2Vdc±0.1Vdc
HORIZONTAL AND VERTICAL DEFLECTION LOOP ADJUSTMENT
No. Adjusting point Adjusting procedure/conditions Waveform and others
V-LINEARITY
(I2C BUS
CONTROL)
V-CENTER
(I2C BUS
CONTROL)
V - AMP (I2C
BUS CONTROL)
H-CENTER
(I2C BUS
CONTROL)
S-CORRECTION
1. Receive Monoscope Pattern Signal.
2. Call the "V-LIN" mode.
3. Increase or decrease "V-LIN" by Volume key till
the horizontal line in the center of monoscope is
just at the position where the blanking starts.
1. Call the "V-CENT" mode.
2. Increase or decrease "V-CENT" by Volume key
till the picture is centered.
1. Call the "V-AMP" mode.
2. Increase or decrease "V - AMP" by Volume key
to set overscan of 8.5% typical.
Adjustment Spec 8.5% range +1% -1%.
1. Call the "H-CENT" mode.
2. Increase or decrease "H-CENT" by Volume key
to center the picture horizontal.
24(FIX DATA)
1
2
3
4
5
Maximum
beam check
1. Receive the "Monoscope Pattern" signal.
2. Press R/C to set Picture NORMAL condition.
3. Connect the DC miliammeter between TP603 (+)
and TP602 (–).
(Full Scale: 3 mA Range)
4. Beam current must be within 1,350 ± 100 µA.
4
Note: This ad justment must be done after
warming up the unit for 30 minutes or
longer with a beam current over 700
µ
A).
* ADJUST DRI-GC/GW, DRI-BC/BW AS FOLLOW-
ING DAT A, AFTER FINISHING DRI-GS AND DRIBS. *(12300ºK)
DRI-GC/GW DATA = “DRI-GS”-7 DATA
DRI-RC = 25; DRI-BC = DRI-BS; DRI-RW = 32
DRI-BW DATA = “DRI-BS”-7 DATA
*18000ºK
DRI-GW = "DRI-GS" DATA -7
DRI-BW = "DRI-BS" DATA -7
DRI-GC = "DRI-GS" DATA-5
DRI-RC = 27
21C-FX5/FX8
10
10-1 10-2
FOCUS ADJUSTMENT
No. Adjusting point Adjusting procedure/conditions Waveform and others
Focus 1. Receive the “Monoscope Pattern” signal.
2. Press R/C to set Picture NORMAL condition.
3. Adjust the focus control to get the best focusing.
1
PAL CHROMA ADJUSTMENT
No. Adjusting point Adjusting procedure/conditions Waveform and others
SUB COLOUR
(I2C BUS
CONTROL)
1. Receive the “PAL Color Bar” signal.
2. Press R/C to set Picture Normal condition.
3. Connect the oscilloscope to Red cathode.
Range : 20 V/Div (AC)
(Using 10:1 Probe)
Sweep Time : 10 µ sec/Div
4. Using the R/C call “SUB-COL” in SERVICE mode.
Adjust SUB COLOUR bus data, so that the 75%
White & Red portions of PAL Color Bar be at the
same level shown as Fig 10.
5. Clear the SERVICE mode.
* Before Adjust SUB-COL, COL-0P=8, COL-0S=8,
COL-03=4, COL-04=4.
After Adjust SUB-COL, set COL-0P=14, COL0S=14, COL-03=10, COL-04=10
1
Fig. 10
Cy G B
W Y 100% W Mg R
75%
No. Adjusting point Adjusting procedure/conditions Waveform and others
SUB-TINT (I2C
BUS CONTROL)
1. Receive the "NTSC3.58 Colour Bar" signal
through AV in.
2. Connect the oscilloscope to TP853 (Pin (5) of
P882) BLUE-OUT.
» Range : 100 mV/Div. (AC)(Use Probe 10:1)
» Sweep time : 10 µsec/Div.
3. Call the "SUB-TINT" mode in service mode. Adjust the "SUB-TINT" bus data to obtain the waveform shown as Fig. 11.
4. Clear the SERVICE mode.
1
Fig. 11
NTSC CHROMA ADJUSTMENT
No. Adjusting point Adjusting procedure/conditions Waveform and others
BEAM PROTECTOR
1. Receive "Monoscope Pattern" signal.
2. Set CONTRAST MAX.
3. Set BRIGHT MAX.
4. During the Collector & Emitter of Q883/5/7 short,
make sure the protector ON and switch to standby
mode.
1 * Select one of Q883/5/7 to do
each short test.
H, V PROTECTOR
1. Receive "Monoscope Pattern" signal.
2. Connect output of Bias Box to D607 cathode
(R606 side).
3. Set voltage of Bias Box to 18V and make sure
the protector is not work.
4. Set voltage of Bias Box to 27V, and make sure
the protector is work.
2
OTHER PROTECTOR
1. Once finish rectified Electrolytic Capacitor short
testing in +B line, check all possible damaged
components on +B line.
(Use random selected set for inspection)
3
PROTECTOR OPERATION CHECKING
No. Adjusting point Adjusting procedure/conditions Waveform and others
VIDEO AND
AUDIO
OUTPUT
CHECK
1. Receive the "PAL Color Bar" signal (100% White
Color Bar, Sound 400 Hz 100% Mod.)
2. Terminate the Video output with a 75 ohm impedance. Make sure the output is as specified (1.0
Vp-p ±3 dB).
3. Terminate the Audio output with a 10k ohm impedance. Make sure the output is as specified
(1.76 Vp-p ±3 dB).
1
VIDEO AND
AUDIO INPUT
CHECK
1. Using the TV/AV key on the remote controller,
make sure that the modes change in order of TV ,
AV1, AV2 & TV again and the video & audio output are according to the input terminal for each
mode.
2
A/V INPUT AND OUTPUT CHECKING
SAME LEVEL
W Y Cy G Mg R B
11
11-1 11-2
21C-FX1(C)/(G)
21C-FX5/FX8
FUNCTION OPERATION CHECKING (VIDEO AND AUDIO)
No. Adjusting point Adjusting procedure/conditions Waveform and others
CONTRAST
key
1. Receive "Monoscope Pattern" signal.
2. Set P-Mode to select CONTRAST.
3. Press Volume Up/Down key to check whether the
CONTRAST effect is OK or not.
1
1. Receive "Color Bar" signal.
2. Set P-Mode to select COLOUR.
3. Press Volume Up/Down key to check whether
the COLOUR effect is OK or not.
2
COLOUR key
BRIGHTNESS
key
1. Receive "Monoscope Pattern" signal.
2. Set P-Mode to select BRIGHTNESS.
3. Press Volume Up/Down key to check whether
the BRIGHTNESS effect is OK or not.
3
TINT key 1. Receive the "NTSC Colour Bar" signal thru AV in.
2. Set P-Mode to select TINT.
3. Press Volume Up/Down key to check TINT, UP
for GREEN direction and DOWN for PURPLE direction whether is OK or not.
4
SHARPNESS
Key
1. Receive "Monoscope Pattern" signal.
2. Set P-mode to select SHARPNESS.
3. Press Volume Up/Down key to check whether
the SHARPNESS effect is OK or not.
5
White Temp 1. Receive "Monoscope Pattern" signal.
2. Set FUNCTION to select WHITE TEMP.
3. Press Volume Up/Down key to check WHITE
TEMP Option, STANDARD:
NORMAL SETTING, WARM for more REDDISH
direction changing, COOL for more BLUISH direction changing.
8
NORMAL Key7
1. Once in PICTURE Mode, and the NORMAL key
is pressed, all the settings will be present to normal setting.
(Normal setting value for every mode).
» CONTRAST : MAX
» COLOUR : CENTER
» BRIGHTNESS : CENTER
» TINT : CENTER
» SHARPNESS : CENTER
Notes:If nothing is display
mean contrast, colour, bright,
tint, sharpness are all in normal setting.
CH DISPLAY
COLOUR
1. All Ch (1~99) will have an OSD display of the
channel number in green colour under AFT ON
condition.
6
FUNCTION OPERATION CHECKING (VIDEO AND AUDIO)
(Continued)
No. Adjusting point Adjusting procedure/conditions Waveform and others
Colour
system
1. Receive the "PAL COLOUR BAR" signal, press
the COLOUR SYSTEM key to select modes except PAL, check the COLOUR is not working properly. Then, select the "PAL" mode. Check again
its colour so that it is working properly.
2. Receive "SECAM COLOUR BAR" signal, press
COLOUR SYSTEM key to select modes except
SECAM, check the COLOUR is not working properly. Then, select the "SECAM" mode. Check
again its colour so that it is working properly.
3. Receive “NTSC 4.43/3.58 COLOUR BAR” signal
thru AV, press COLOUR SYSTEM key to select
modes except N4.43/3.58, check the COLOUR
is not working properly. Then, select the “NTSC
4.43/3.58” mode. Check again its colour so that it
is working properly.
12
Sound
system
13
1. Receive “PAL-D/K” signal, press the “SOUND
SYSTEM” to select B/G, I. Check the sound output is not working properly. Select D/K and check
the sound output to make sure it is working properly.
2. Receive “PAL-I” signal, press the “SOUND SYSTEM” to select B/G, D/K. Check the sound output
is not working properly. Select I and check the
sound output to make sure it is working properly.
3. Receive “PAL-B/G” signal, press the “SOUND
SYSTEM” to select I, D/K. Check the sound output is not working properly. Select B/G and check
the sound output to make sure it is working properly.
4. Receive “NTSC-M” signal thru AV, press the
“SOUND SYSTEM” to select B/G, D/K, I, check
the sound output is not working properly. Select
M and check the sound output to make sure it is
working properly.
TREBLE 1. Receive “Monoscope Pattern” signal.
2. Set FUNCTION to select TREBLE.
3. Press Volume Up/Down key to check whether
the TREBLE effect is OK or not.
9
BASS 1. Receive “Monoscope Pattern” signal.
2. Set FUNCTION to select BASS.
3. Press Volume Up/Down key to check whether
the BASS effect is OK or not.
10
BALANCE 1. Receive “Monoscope Pattern” signal.
2. Set FUNCTION to select BALANCE.
3. Press Volume Up/Down key to check whether
the Left-to-Right BALANCE effect is OK or not.
11
12
12-1 12-2
21C-FX1(C)/(G)
21C-FX5/FX8
HEADPHONE JACK CHECKING
No. Adjusting point Adjusting procedure/conditions Waveform and others
HEADPHONE
OUTPUT
CHECKING
1. Receive PAL COLOUR P AR with SOUND 400Hz,
100% MODULATION (±50kHz Dev).
2. Maximum volume, and check the headphone
output with 400Hz sound and no sound out from
speaker.
1
FUNCTION OPERATION CHECKING (VIDEO AND AUDIO)
(Continued)
No. Adjusting point Adjusting procedure/conditions Waveform and others
NOISE MUTE
CHECKING
1. Receive "PAL COLOUR BAR" signal.
2. Turn up the volume control to maximum, make
sure the sound is heard from the speakers. Then
put the unit in no signal state.
3. Check the sound mute is effective.
4. Finally turn sound level of CTV to minimum.
14
OSD LANGUAGE
QUANTITY
CHECK
Check OSD LANGUAGE quantity and type15
QUANTITY6ENGLISH
O
CHINESEOMALAY
O
FRENCHOARABIC
O
RUSSIAN
O
HOTEL MODE APPLICATION
How to enable/disable the "Hotel Mode" ?
Ans: a) Press the Menu key.
b) Using the CH UP or CH DW key, move the cursor to FEATURE. Press the VL UP or VL DW key.
c) Using the CH UP or CH DW key, move the cursor to BLUE BACK on the menu screen.
d) Hold down the digit key (-/--) of the remote control for 5 seconds or more, and the Hotel Mode will be made
active.
e) Key in the four digits password starting with number "1", "3", "7", "9", then the hotel mode will be enable,
you can switch on/off the hotel mode by using R/C (volume up/down) key.
* We recommend
Before set the hotel mode, it is better to choose ch 1 & set s-vol level Up to 75% full scale.
After set hotel mode, starting channel will be always ch 1 & maximum sound level out will be set the half of
full scale. (Note: If the sound volume is set to any level below 30, the setting is taken as maximum.)
* If you set hotel mode in AV, starting channel will be the last ch which you received before power off (same as
normal operation)
HOTEL ON
PASSWORD ****
Set vol up/down by R/C key.
Input 1,3,7 and 9 by R/C key.
#1Ch 1 is your selected channel
for hotel mode.
CONDITION:
When using hotel mode, user can control "contrast", "brightness", "sharpness" and "tint" function.
But after power off, it will return to the initial setting.
You can't use:--
Preset mode
Fine tuning
Skip mode
System selection
The others function is allowed to be used.
13
13-1 13-2
21C-FX1(C)/(G)
21C-FX5/FX8
21C-FX1(C)/(G)
21C-FX5/FX8
MEMORY MAP
ADDRESS
(HEX)
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
20
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
2E
2F
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
D7 D6 D5 D4 D3 D2 D1 D0
DATA
PASS WORD
PASS WORD
PASS WORD
PASS WORD
AGC TAKE-OVER
V-SLOPE
V-AMPLITUDE
V-CENTER
H-CENTER
H-SIZE
EW-PARALLELOGRAM
EW-PARABOLA/WIDTH
EW-UPPER CORNER
EW-LOWER CORNER
EW-TRAPEZIUM
HORIZONTAL-BOW
S-CORRECTION
DRIVE-R (STANDARD)
DRIVE-G (STANDARD)
DRIVE-B (STANDARD)
DRIVE-R (WARM)
DRIVE-G (WARM)
DRIVE-B (WARM)
DRIVE-R (COOL)
DRIVE-G (COOL)
DRIVE-B (COOL)
SUB-VOLUME
SUB-CONTRAST
SUB-COLOUR
SUB-BRIGHTNESS
SUB-TINT
SUB-SHARPNESS
HTL-VOLUME
HTL-PROGRAM NUMBER
BLUE BACK CONTRAST
OSD-REFERENCE
CUTOFF LEVEL -OFFSET R
CUTOFF LEVEL -OFFSET G
CATHODE DRIVE LEVEL
Y-DELAY (TV PAL)
Y-DELAY (TV SECAM)
Y-DELAY (TV N358)
Y-DELAY (TV N443)
Y-DELAY (TV BW)
Y-DELAY (AV PAL)
Y-DELAY (AV SECAM)
Y-DELAY (AV N358)
Y-DELAY (AV N443)
Y-DELAY (AV BW)
COLOUR-OFFSET (PAL)
COLOUR-OFFSET (SECAM)
COLOUR-OFFSET (N358)
COLOUR-OFFSET (N443)
SHARPNESS-OFFSET (PAL)
MODEL
MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL
DEFAULT RANGE WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK
55 00-FF
41 00-FF
53 00-FF
36 00-FF
0E 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
00 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
19 00-3F
20 00-3F
20 00-3F
3C 00-3C
3F 00-3F
20 00-3F
20 00-3F
20 00-3F
20 00-3F
1E 00-3C
FF 00-FF
0A 0-0F
0F 00-0F
20 00-3F
20 00-3F
00 00-0F
0C 00-0F
0F 00-0F
0C 00-0F
0C 00-0F
0C 00-0F
0C 00-0F
0F 00-0F
0C 00-0F
0C 00-0F
0C 00-0F
08 00-0F
08 00-0F
04 00-0F
04 00-0F
08 00-0F
MODEL
LETTER NO.
LETTER NO.
14