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Sharp 21F-PA18, Service Manual

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21F-PD250 / 21F-PT220 / 21F-PA18 / 21F-PA18(B)

4

NO.

PARTS CODE

DESCRIPTION

[3] MAIN UNIT

VCEA0A
VCKYCY1HB153K*
VCEA0A
VCKYCY1HF103Z*
VCKYCY1HF103Z*
VCFYFA
VCKYCY1HB153K*
VCCCCY1HH470J*
VCEA0A
VCFYFA
VCEA0A
VCKYCY1HB103K*
VCKYCY1HF103Z*
VCKYCY1HF103Z*
VCKYCY1HB104K*
VCKYCY1HB104K*
VCKYCY1CF105Z*
VCEA0A
VCEA0A
VCKYCY1HF103Z*
VCEA0A
VCKYCY1HB103K*
VCEA0A
VCEA0A
VCKYCY1HB104K*
VCKYCY1HB222K*
VCFYFA
VCEA0A
VCKYCY1HB103K*
VCKYCY1CF105Z*
VCKYCY1CB393K*
VCEA9M
VCEA9M
VCEA0A
VCCCCY1HH101J*
VCEA9M
VCKYCY1CF474Z*
VCEA0A
VCKYCY1HF103Z*
VCKYCY1HF103Z*
VCKYCY1EF104Z*
VCFYFA
VCEA0A
VCEA0A
VCKYCY1HB103K*
VCCCCY1HH220J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF000J*
VRS-CY1JF101J*
VRS-CY1JF101J*
VRS-CY1JF332J*
VRS-VV3LB393J
VRD-RA2BE272J*
VRS-CY1JF473J*
VRD-RA2BE223J*
VRS-CY1JF274J*
VRD-RA2BE822J*
VRS-CY1JF332J*
VRD-RM2HD1R0J*
VRS-CY1JF332J*
VRS-CY1JF332J*

C804
C805
C806
C807
C810
C811
C814
C815
C816
C817
C818
C819
C820
C821
C822
C823
C824
C825
C826
C827
C828
C830
C831
C833
C834
C836
C837
C838
C839
C840
C841
C843
C845

C1001
C1002
C1003
C1004
C1007
C1008
C1013
C1016
C1081
C1800
C1841
C1842
C1860

RJ8
RJ9

RJ13
RJ15
RJ16
RJ19
RJ43
RJ45
RJ46
RJ49
RJ50
RJ57
RJ62
RJ67
RJ68
RJ69
RJ71
RJ72
RJ73
RJ74
RJ75
RJ76

R201
R202
R204
R216
R301
R303
R304
R305
R314
R315
R325
R366
R384

Capacitor, 0.47

µ

F 50V  Electrolytic

Capacitor, 0.015

µ

F 50V  Ceramic

Capacitor, 47

µ

F 16V  Electrolytic

Capacitor, 0.01

µ

F 16V  Ceramic

Capacitor, 0.01

µ

F 16V  Ceramic

Capacitor, 0.22

µ

F 50V  Plastic

Capacitor, 0.015

µ

F 50V  Ceramic

Capacitor, 47pF 50V  Ceramic
Capacitor, 0.47

µ

F 50V  Electrolytic

Capacitor, 0.22

µ

F 50V  Plastic

Capacitor, 47

µ

F 16V  Electrolytic

Capacitor, 0.01

µ

F 50V  Ceramic

Capacitor, 0.01

µ

F 16V  Ceramic

Capacitor, 0.01

µ

F 16V  Ceramic (for 21F-PD250 / 21F-PA18 / 21F-PA18(B) only)

Capacitor, 0.1

µ

F 50V  Ceramic

Capacitor, 0.1

µ

F 50V  Ceramic

Capacitor, 1

µ

F 16V  Ceramic (for 21F-PT220 only)

Capacitor, 0.47

µ

F 50V  Electrolytic

Capacitor, 3.3

µ

F 50V  Electrolytic

Capacitor, 0.01

µ

F 16V  Ceramic (for 21F-PD250 / 21F-PA18 / 21F-PA18(B) only)

Capacitor, 0.47

µ

F 50V  Electrolytic

Capacitor, 0.01

µ

F 50V  Ceramic

Capacitor, 47

µ

F 16V  Electrolytic

Capacitor, 1

µ

F 50V  Electrolytic

Capacitor, 0.1

µ

F 50V  Ceramic

Capacitor, 2200pF 50V  Ceramic
Capacitor, 0.1

µ

F 50V  Plastic

Capacitor, 470

µ

F 16V  Electrolytic

Capacitor, 0.01

µ

F 50V  Ceramic

Capacitor, 1

µ

F 16V  Ceramic

Capacitor, 0.039

µ

F 16V  Ceramic

Capacitor, 4.7

µ

F 50V  Electrolytic

Capacitor, 4.7

µ

F 50V  Electrolytic

Capacitor, 100

µ

F 10V  Electrolytic

Capacitor, 100pF 50V  Ceramic
Capacitor, 10

µ

F 16V  Electrolytic

Capacitor, 0.47

µ

F 16V  Ceramic

Capacitor, 47

µ

F 16V  Electrolytic

Capacitor, 0.01

µ

F 50V  Ceramic

Capacitor, 0.01

µ

F 50V  Ceramic

Capacitor, 0.1

µ

F 25V  Ceramic

Capacitor, 0.1

µ

F 50V  Plastic

Capacitor, 33

µ

F 16V  Electrolytic

Capacitor, 47

µ

F 16V  Electrolytic

Capacitor, 0.01

µ

F 50V  Ceramic

Capacitor, 22pF 50V  Ceramic
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide (for 21F-PT220 only)
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide (for 21F-PT220 only)
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 0  1/16W  Metal Oxide
Resistor, 100  1/16W  Metal Oxide
Resistor, 100  1/16W  Metal Oxide
Resistor, 3.3k  1/16W  Metal Oxide
Resistor, 39k  3W  Metal Oxide 
Resistor, 2.7k  1/8W  Carbon
Resistor, 47k  1/16W  Metal Oxide
Resistor, 22k  1/8W  Carbon 
Resistor, 270k  1/16W  Metal Oxide 
Resistor, 8.2k  1/8W  Carbon 
Resistor, 3.3k  1/16W  Metal Oxide  
Resistor, 1  1/2W  Carbon 
Resistor, 3.3k  1/16W  Metal Oxide
Resistor, 3.3k  1/16W  Metal Oxide (for 21F-PT220 only)

Summary of Contents for 21F-PA18

Page 1: ...e parts inside Refer servicing to qualified service personnel WARNING CHAPTER 1 SPECIFICATIONS 1 SPECIFICATIONS 1 1 CHAPTER 2 IMPORTANT SERVICE NOTES 1 IMPORTANT SERVICE NOTES 2 1 CHAPTER 3 ADJUSTMENT PRECAUTIONS 1 ADJUSTMENT PRECAUTIONS 3 1 2 ADJUSTMENT 3 14 CHAPTER 5 TROUBLE SHOOTING FLOWCHART 1 TROUBLE SHOOTING FLOWCHART 5 1 CHAPTER 6 SOLID STATE DEVICE BASE DIAGRAM 1 SOLID STATE DEVICE BASE DI...

Page 2: ...els E2 48 25MHz thru E12 224 25MHz S1 105 25MHz thru S41 463 25HMz UHF Channels E21 471 25MHz thru E69 855 25MHz Power Input 110 240V AC 50 60 Hz Power Consumption Audio Power Output Rating 21F PA18 21F PA18 B 3W rms Speaker Size Dimensions 21F PA18 21F PA18 B Width 502 mm Height 485 mm Depth 485 mm Weight approx 22 5 kg 83W 21F PD250 21F PT220 5W rms 21F PA18 21F PA18 B 5 x 9 cm 1 pc 21F PD250 21...

Page 3: ...otentially hazardous radiation with prolonged exposure at close range the following precautions should be observed 1 When repairing the circuit please make sure do not increase the high voltage of the set to more than 30 0kV at beam 0µA 2 To keep the set in a normal operation please make sure it s function at 26 5kV 1 0kV at beam 1 100µA The set has been factory adjusted to the above mentioned hig...

Page 4: ... Setting mode Check mode and Option mode one by one 3 Press the CH DOWN UP key on the remote controller to select the item in Adjustment mode Setting mode or Option mode 4 Using the VOLUME UP DOWN key on the remote controller the data can be modified Please wait approximately 200 msec for data storage in EEPROM before select to another mode 5 In Check mode the data cannot be changed 6 Press the SE...

Page 5: ... 50 Hz 11 H SHIFT 50 Hz 12 V SIZE 50 Hz 13 SCREEN 14 WHITE BALANCE 15 SUB BRIGHTNESS 16 SUB CONTRAST 17 SUB COLOR 18 SUB TINT 19 BEAM CURRENT CHECK 20 BEAM PROTECTOR CHECK 21 HV PROTECTOR CHECK 22 OTHER PROTECTOR CHECK 23 AV OUT CHECK 24 AV IN CHECK 25 CONTRAST CONTROL CHECK 26 COLOR CONTROL CHECK 27 BRIGHTNESS CONTROL CHECK 28 TINT CONTROL CHECK 29 SHARPNESS CONTROL CHECK 30 CH DISPLAY COLOR CHEC...

Page 6: ... DOWN IN SERVICE MODE V00 E4 FLASHBACK Y MUTE BESIDES OF SERVICE MODE V00 75 WHITE TEMP UP RF AGC V01 F5 WHITE TEMP DOWN VIF VC0 V02 C2 TUNE DOWN H VCO V03 8D SHARPNESS DOWN SUB CON V04 D6 BALANCE LEFT SUB COL V05 0D SHARPNESS UP SUB BRIGHT V06 36 BALANCE RIGHT SUB TINT V07 46 TREBLE UP SUB SHP V08 C6 TREBLE DOWN SUB COL YUV V09 26 BASS UP SUB TINT YUV V10 24 COLOUR UP V SIZE V11 V SIZE60 V17 54 B...

Page 7: ... 6 535 25 B G 47 7 48 8 49 9 50 10 51 11 48 25 B G 52 12 62 25 B G 53 13 196 25 B G 54 14 210 25 B G 55 15 224 25 B G 56 16 471 25 B G 57 17 855 25 B G 58 18 59 19 60 20 61 21 223 95 B G 62 22 224 55 B G 63 23 223 85 B G 64 24 224 65 B G 65 25 223 75 B G 66 26 224 75 B G 67 27 68 28 69 29 70 30 31 91 25 M 32 103 25 M 33 171 25 M 34 183 25 M 35 193 25 M 36 205 25 M 37 217 25 M 38 621 25 M 39 40 NOT...

Page 8: ...LUME 0 Min BLUE BACK OFF CHILD LOCK OFF OFF TIMER PASSWORD 0000 AFT ALL CH ON COLOR SYSTEM ALL CH AUTO SKIP ALL CH OFF CONTRAST 60 COLOR 6 BRIGHTNESS 0 TINT 0 CENTER SHARPNESS 6 WHITE TEMP 0 INITIAL LANGUAGE SOUND SYSTEM 9 HEX EE THAI B G FACTORY SETTING BY MODEL Reference Geomagnetism Adjustment MODEL MAGNETIC FIELD V H nT BACKGROUND LANG S SYS LANG QTY THAI 20 000 40 000 12300 K THAI B G 2 2 ENG...

Page 9: ...27 100 ADJ SUB COLOR V05 0 127 63 ADJ SUB BRIGHT V06 0 255 127 ADJ SUB TINT V07 0 127 63 ADJ SUB SHP PRE V08 0 63 43 FIX BUS SETUP SUB COLOR YUV V09 0 127 90 FIX SUB TINT YUV V10 0 127 63 FIX V SIZE V11 0 63 38 ADJ V SHIFT V12 0 7 3 ADJ H SHIFT V13 0 31 9 ADJ SCM BR V14 0 63 37 FIX SCM BB V15 0 63 22 FIX SUB VOL V16 0 60 60 FIX V SIZE60 V17 31 0 31 0 FIX BUS SETUP V SHIFT60 V18 7 0 7 1 FIX BUS SET...

Page 10: ...FFSET N358 F28 31 0 31 7 FIX COL ADJ OFFSET COLOUR OFFSET ADJUST F29 31 0 31 0 FIX BUS SETUP SHP PRE AV OFFSET SHARPNESS PRE OFFSET AV F30 31 0 31 5 FIX BUS SETUP SHP PRE YUV OFFSET SHARPNESS PRE OFFSET YUV F31 31 0 31 5 FIX SHP PRE P OFFSET SHARPNESS PRE OFFSET PAL F32 31 0 31 10 FIX BUS SETUP SHP PRE S OFFSET SHARPNESS PRE OFFSET SECAM F33 31 0 31 15 FIX BUS SETUP SHP PRE N4 OFFSET SHARPNESS PRE...

Page 11: ...NAL SECAM BGP TIMING F71 0 3 0 FIX N45 INHIBIT 50Hz NTSC 4 43 F72 0 enable 1 disable 0 FIX OSD POS V50 OSD VERTICAL POSITION 50Hz F73 1 55 36 FIX OSD POS V60 OSD VERTICAL POSITION 60Hz F74 1 50 31 FIX OSD POS H OSD HORIZONTAL POSITION F75 0 127 9 FIX CP CHARGE PUMP F76 0 1 1 FIX AVL LEVEL AUTO VOLUME LIMIT LEVEL F77 0 600mVrms 1 450mVrms 0 FIX AUTO SCM KIL AV YUV SECAM COLOUR KILLER SENSITIVITY AV...

Page 12: ...T YUV OFFSET RGB OUTPUT RED BIAS LEVEL OFFSET YUV F119 63 0 63 0 FIX G CUT YUV OFFSET RGB OUTPUT GREEN BIAS LEVEL OFFSET YUV F120 63 0 63 0 FIX B CUT YUV OFFSET RGB OUTPUT BLUE BIAS LEVEL OFFSET YUV F121 63 0 63 0 FIX CON YUV OFFSET SUB CONTRAS OFFSET YUV F122 63 0 63 0 FIX BRT YUV OFFSET SUB BRIGHT OFFSET YUV F123 63 0 63 0 FIX SHP ANT ONII OFFSET SHARP ANT ON II OFFSET FOR VIDEO TONE F124 31 0 3...

Page 13: ...OVIE S BOOSTER SETTING MOVIE F167 0 OFF 1 ON 1 FIX R R C R GAIN OFFSET WHEN WHITE TEMP IS RED CENTER TONE F168 63 0 63 4 FIX B R C B GAIN OFFSET WHEN WHITE TEMP IS RED CENTER TONE F169 63 0 63 5 FIX R B C R GAIN OFFSET WHEN WHITE TEMP IS BLUE CENTER TONE F170 63 0 63 1 FIX B B C B GAIN OFFSET WHEN WHITE TEMP IS BLUE CENTER TONE F171 63 0 63 6 FIX TRE OFFSET SUR ONII TREBLE OFFSET WHEN SURROUND ONI...

Page 14: ...OPTION SET UP BOOSTER O26 0 DISABLE 1 ENABLE 0 OPTION SET UP 250 CHANNEL O27 0 100 channels 8k EEPROM 1 250 channels 16k EEPROM 0 OPTION SET UP AVL O28 0 fix to 0 1 fix to 1 2 AVL in SOUND MENU 2 OPTION SET UP LNA TUNER O29 0 Alps 1 Matsushita 0 OPTION SET UP ONLY FUNCTION IF ANTENNA BOOSTER O26 1 CHILD LOCK O30 0 DISABLE 1 ENABLE 1 OPTION SET UP NORMAL KEY O31 Set items to default for 0 Picture a...

Page 15: ... FREE NO SYNC F58 GAMMA F63 SL AV F65 AS FBP TV F66 AS FBP AV F67 AS FBP YUV F82 OSD LEVEL F86 C ANGLE 103 DEG 95 DEG F91 V DEMUTE DELAY F92 S DEMUTE DELAY F132 BASS OFFSET F133 TREBLE OFFSET F144 CONT NEWS F145 CONT MUSIC F150 COL NEWS F152 COL MOVIE F153 SHARP NEWS F155 SHARP MOVIE F159 TREBLE NEWS F160 TREBLE MUSIC F161 TREBLE MOVIE F162 BASS NEWS F163 BASS MUSIC F164 BASS MOVIE F179 AFT OFFSET...

Page 16: ...ISABLE 1 ENABLE O35 VIRGIN MODE 0 DISABLE 1 ENABLE O36 WHITE TEMP 0 3 MODES 1 5 MODES O37 LK MENU 0 DISABLE 1 ENABLE SERVICE ITEMS HSYNC JUDGE 0 DISABLE 1 ENABLE SECAM 0 DISABLE 1 ENABLE N443 RF 0 DISABLE 1 ENABLE HTL MODE HTL POS HTL VOL N358 RF 0 DISABLE 1 ENABLE FORCE COL 0 DISABLE 1 ENABLE S SYS 1 BG ONLY 15 ALL AV 0 DISABLE 1 ENABLE AV2 0 DISABLE 1 ENABLE YUV 0 DISABLE 1 ENABLE S CTRL 0 DISAB...

Page 17: ...ut 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 AD JUSTMENT I2 C BUS CONTROL AUTO MANUAL ADJ for Auto ADJ 1 Receive PAL COLOUR BAR signal signal strength 56 1d...

Page 18: ...ard 6 Tighten up the deflection coil screws Tightening torque 108 20 N 11kgf 2 kgf 7 Make sure the CRT corners landing meet the A rank requirements If not stick the magnet sheet to correct it Note This adjustment must be done after warming up the unit for 30 minutes or longer with a beam current over 700µA Note For the following colours press R C RGB Hex 7E key to change PURITY ADJ No need if used...

Page 19: ... of the screen in the following steps a Fig a Drive the wedge at point a and swing the deflection coil upward b Fig b Drive the wedge at point b and c and swing the deflection coil downward c Fig c Drive the c wedge deeper and swing the deflection coil rightward d Fig d 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 ...

Page 20: ...dj 1 In No signal RASTER condition 2 Go to service mode choose service data V02 3 Press the R C Auto Hex C1 key OSD will appear OK 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 V21 3 Connect oscilloscope to TP 801 adj V21 until voltage become Min below 5 V 4 After that pls adj service data V20 same as V21 V22 to V21 1...

Page 21: ... 5 WHITE HIGH BEAM In Window Pattern Signal First use Minolta Color Analyzer CA100 let the gun point at Dark White position as drawing attach Adj V06 until LUMI NANCE Y become 5 cd m2 then let the gun point at White position as drawing at tach Adj V04 until LUMINANCE Y be come 160 cd m2 Adj the R D B D until the axis of color temperature become 1 DARK WHITE LOW BEAM In Window Pattern Signal Let th...

Page 22: ...ition 3 Connect the DC miliammeter between TP 603 TP 602 Full Scale 3mA Range 4 Beam current must be within 1100 100 µA Beam Current Check 5 Dark White WINDOW PATTERN SIGNAL White WINDOW PATTERN SIGNAL 1 In Window Pattern Signal condition Using Minolta Color Analyzer CA 100 let the gun point at Dark White position as attach drawing adjust V06 Bus data until LUMINANCE Y 3 0 5 cd m2 2 1 In Window Pa...

Page 23: ...awing 1 Receive Monoscope Pattern Signal PAL 50Hz 2 Choose the service data V11 3 Adjust V11 bus data until the overscan become 10 1 5 SUB SHARPNESS 4 FOCUS 5 Focusing Point middle of center and edge of monoscope pattern 1 Confirm Service data V08 V32 are 38 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 Cautio...

Page 24: ...SERVICE mode 9 PROTECTOR OPERATION CHECKING No Adjustment point Adjustment procedure conditions Waveform and others BEAM 1 Receive Monoscope Pattern signal 2 Set CONTRAST MAX 3 Set BRIGHT MAX 4 During the Collector Emitter of Q853 4 5 short make sure the protector ON and switch to standby mode 1 Select one of Q853 4 5 to do each short H V PROTECTOR 1 Receive Monoscope Pattern signal 2 Connect outp...

Page 25: ...pe Pattern signal 2 Set MENU then go into PICTURE mode to se lect CONTRAST 3 Press Volume Up Down key to check whether the CONTRAST effect is OK or not 1 1 Receive Colour Bar signal 2 Set MENU then go into PICTURE mode to se lect 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 MENU then go into P...

Page 26: ...perly Then select the PAL mode Check again its colour so that it is working properly 2 Receive NTSC 4 43 signal press MENU choose CH SETTING to select COLOR modes except N443 check the COLOUR is not working properly Then select the N443 mode Check again its col our so that it is working properly 3 Receive NTSC 3 58 signal thru AV press MENU choose CH SETTING to select COLOR modes ex cept N358 chec...

Page 27: ...18 21F PA18 B 3 24 12 SHOCK TEST CHECKING No Adjustment point Adjustment procedure conditions Waveform and others SHOCK TEST 1 Hit at the top of TV set for two time 2 Check TV set not damage and TV operation op erate correctly 1 ...

Page 28: ...B POS 6 15 TUNING FREQUENCY HIGH BYTE 00 FF 2C 16 TUNING FREQUENCY LOW BYTE 00 FF 1B POS 7 17 TUNING FREQUENCY HIGH BYTE 00 FF 29 18 TUNING FREQUENCY LOW BYTE 00 FF FB POS 8 19 TUNING FREQUENCY HIGH BYTE 00 FF 2F 1A TUNING FREQUENCY LOW BYTE 00 FF DB POS 9 1B TUNING FREQUENCY HIGH BYTE 00 FF 31 1C TUNING FREQUENCY LOW BYTE 00 FF 93 POS 10 1D TUNING FREQUENCY HIGH BYTE 00 FF 33 1E TUNING FREQUENCY ...

Page 29: ...YTE 00 FF FF POS 39 57 TUNING FREQUENCY HIGH BYTE 00 FF FF 58 TUNING FREQUENCY LOW BYTE 00 FF FF POS 40 59 TUNING FREQUENCY HIGH BYTE 00 FF FF 5A TUNING FREQUENCY LOW BYTE 00 FF FF POS 41 5B TUNING FREQUENCY HIGH BYTE 00 FF FF 5C TUNING FREQUENCY LOW BYTE 00 FF FF POS 42 5D TUNING FREQUENCY HIGH BYTE 00 FF FF 5E TUNING FREQUENCY LOW BYTE 00 FF FF POS 43 5F TUNING FREQUENCY HIGH BYTE 00 FF FF 60 TU...

Page 30: ...YTE 00 FF FF POS 71 97 TUNING FREQUENCY HIGH BYTE 00 FF FF 98 TUNING FREQUENCY LOW BYTE 00 FF FF POS 72 99 TUNING FREQUENCY HIGH BYTE 00 FF FF 9A TUNING FREQUENCY LOW BYTE 00 FF FF POS 73 9B TUNING FREQUENCY HIGH BYTE 00 FF FF 9C TUNING FREQUENCY LOW BYTE 00 FF FF POS 74 9D TUNING FREQUENCY HIGH BYTE 00 FF FF 9E TUNING FREQUENCY LOW BYTE 00 FF FF POS 75 9F TUNING FREQUENCY HIGH BYTE 00 FF FF A0 TU...

Page 31: ... DB DC DD DE 1 2 3 DIGIT ENTRY 08 00 18 EF DF E0 POS 7 POS 6 POS 5 POS4 POS 3 POS 2 POS 1 POS 0 FF 00 FF FF 1 AFT ON 0 AFT OFF E1 POS15 POS14 POS13 POS12 POS11 POS10 POS 9 POS 8 FF 00 FF FF E2 POS23 POS22 POS21 POS20 POS19 POS18 POS17 POS16 FF 00 FF FF E3 POS31 POS30 POS29 POS28 POS27 POS26 POS25 POS24 FF 00 FF FF E4 POS39 POS38 POS37 POS36 POS35 POS34 POS33 POS32 FF 00 FF FF E5 POS47 POS46 POS45 ...

Page 32: ... POS25 S SYSTEM POS25 C SYSTEM POS25 00 00 9C 00 11A ANT BOOSTER POS26 S SYSTEM POS26 C SYSTEM POS26 00 00 9C 00 11B ANT BOOSTER POS27 S SYSTEM POS27 C SYSTEM POS27 00 00 9C 00 11C ANT BOOSTER POS28 S SYSTEM POS28 C SYSTEM POS28 00 00 9C 00 11D ANT BOOSTER POS29 S SYSTEM POS29 C SYSTEM POS29 00 00 9C 00 11E ANT BOOSTER POS30 S SYSTEM POS30 C SYSTEM POS30 00 00 9C 00 11F ANT BOOSTER POS31 S SYSTEM ...

Page 33: ... POS83 S SYSTEM POS83 C SYSTEM POS83 00 00 9C 00 154 ANT BOOSTER POS84 S SYSTEM POS84 C SYSTEM POS84 00 00 9C 00 155 ANT BOOSTER POS85 S SYSTEM POS85 C SYSTEM POS85 00 00 9C 00 156 ANT BOOSTER POS86 S SYSTEM POS86 C SYSTEM POS86 00 00 9C 00 157 ANT BOOSTER POS87 S SYSTEM POS87 C SYSTEM POS87 00 00 9C 00 158 ANT BOOSTER POS88 S SYSTEM POS88 C SYSTEM POS88 00 00 9C 00 159 ANT BOOSTER POS89 S SYSTEM ...

Page 34: ... 00 FF FF 195 ROM CORRECTION 1 CODE 00 FF FF 196 ROM CORRECTION 1 CODE 00 FF FF 197 ROM CORRECTION 1 CODE 00 FF FF 198 ROM CORRECTION 1 CODE 00 FF FF 199 ROM CORRECTION 1 CODE 00 FF FF 19A ROM CORRECTION 1 CODE 00 FF FF 19B ROM CORRECTION 1 CODE 00 FF FF 19C ROM CORRECTION 1 CODE 00 FF FF 19D ROM CORRECTION 1 CODE 00 FF FF 19E ROM CORRECTION 1 CODE 00 FF FF 19F ROM CORRECTION 1 CODE 00 FF FF 1A0 R...

Page 35: ... A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 1C0 1C1 1C2 1C3 1C4 1C5 1C6 1C7 1C8 1C9 1CA 1CB 1CC 1CD 1CE 1CF 1D0 1D1 1D2 1D3 1D4 1D5 1D6 1D7 1D8 1D9 1DA 1DB 1DC 1DD 1DE 1DF 1E0 1...

Page 36: ...SHIFT 50Hz V12 03 00 07 02 211 H SHIFT 50Hz V13 09 00 1F 12 212 SECAM BR V14 25 00 3F 25 213 SECAM BB V15 16 00 3F 16 214 SUB VOLUME V16 3C 00 3C 3C 215 V SIZE 60Hz V17 1F 00 3E 23 216 V SHIFT 60Hz V18 06 00 0E 05 217 H SHIFT 60Hz V19 11 00 1E 11 218 S TRAP BG V20 40 00 7F 40 219 S TRAP I V21 40 00 7F 40 21A S TRAP DK V22 40 00 7F 40 21B S TRAP M V23 40 00 7F 40 21C S TRAP 574 V24 40 00 7F 40 21D ...

Page 37: ... 02 250 TRAP N358 F53 02 00 03 02 251 GAMMA F58 00 00 03 01 252 BS D C F59 0A 00 0F 0A 253 SL TV F62 02 00 07 02 254 SL AV F63 04 00 07 02 255 SL YUV F64 04 00 07 04 256 AS FBP TV F65 02 00 03 03 257 AS FBP AV F66 02 00 03 03 258 AS FBP YUV F67 02 00 03 03 259 VDL F68 00 00 03 00 25A UDL F69 00 00 03 00 25B AUTO SCM KIL TV F70 01 00 03 01 25C SECAM BGP F71 00 00 03 00 25D 25E 25F OSD POS F75 09 00...

Page 38: ...E TEST PATTERN F139 00 00 0F 00 29F 2A0 HALF H KILLER MCUVOUT F141 FSC FREE F140 ABCL G F05 ABCL F04 BS OFF F03 RGB CLIP F02 C CLIP LVL F01 A0 00 FF A1 2A1 SHP G N3 F12 SHP G N4 F11 SHP G SCM F10 SHP G PAL F09 SHP G F08 10 00 1F 10 2A2 PLL CP F76 N45 F72 OM DET F61 BS GAIN F60 V FREE F56 1W AV F55 1W TV F54 82 00 FF 06 2A3 V AGC F143 Pow Storage F103 CTI Adj F90 C ANGLE F86 TAKE OFF YUV F85 TAKE O...

Page 39: ... 2CA 07 00 07 07 2CB 7F 00 7F 7F 2CC 00 00 04 01 2CD 3C 00 3C 3C 2CE 00 00 3C 00 2CF 07 00 07 07 2D0 07 00 07 07 2D1 07 00 07 07 2D2 07 00 07 07 2D3 2D4 2D5 2D6 2D7 2D8 2D9 2DA 2DB 2DC 2DD 2DE 2DF 2E0 2E1 2E2 2E3 2E4 2E5 2E6 2E7 2E8 2E9 2EA 2EB 2EC 2ED 2EE 2EF 2F0 2F1 2F2 2F3 2F4 2F5 2F6 2F7 2F8 2F9 2FA 2FB 2FC 2FD 2FE 2FF MODEL MODEL LETTER NO LETTER NO BASS LIMIT3 F184 BASS LIMIT4 F185 VOL start...

Page 40: ...S A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 300 301 302 303 304 305 306 307 308 309 30A 30B 30C 30D 30E 30F 310 311 312 313 314 315 316 317 318 319 31A 31B 31C 31D 31E 31F 320 ...

Page 41: ...3 345 USER WHITE TEMP MOVIE 02 00 04 02 346 USER SURROUND MOVIE 00 00 02 00 347 USER TREBLE MOVIE 0F 00 14 0F 348 USER BASS MOVIE 14 00 14 14 349 USER BALANCE 1E 00 3C 1E 34A USER CONTRAST MUSIC 32 00 3C 32 34B USER COLOUR MUSIC 1E 00 3C 1E 34C USER BRIGHTNESS MUSIC 1E 00 3C 1E 34D USER TINT MUSIC 1E 00 3C 1E 34E USER SHARPNESS MUSIC 1E 00 3C 1E 34F USER WHITE TEMP MUSIC 02 00 04 02 350 USER SURRO...

Page 42: ...S A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 380 381 382 383 384 385 386 387 388 389 38A 38B 38C 38D 38E 38F 390 391 392 393 394 395 396 397 398 399 39A 39B 39C 39D 39E 39F 3A0 ...

Page 43: ...S A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 3C0 3C1 3C2 3C3 3C4 3C5 3C6 3C7 3C8 3C9 3CA 3CB 3CC 3CD 3CE 3CF 3D0 3D1 3D2 3D3 3D4 3D5 3D6 3D7 3D8 3D9 3DA 3DB 3DC 3DD 3DE 3DF 3E0 ...

Page 44: ...G FREQUENCY LOW BYTE 00 FF POS 111 417 TUNING FREQUENCY HIGH BYTE 00 FF 418 TUNING FREQUENCY LOW BYTE 00 FF POS 112 419 TUNING FREQUENCY HIGH BYTE 00 FF 41A TUNING FREQUENCY LOW BYTE 00 FF POS 113 41B TUNING FREQUENCY HIGH BYTE 00 FF 41C TUNING FREQUENCY LOW BYTE 00 FF POS 114 41D TUNING FREQUENCY HIGH BYTE 00 FF 41E TUNING FREQUENCY LOW BYTE 00 FF POS 115 41F TUNING FREQUENCY HIGH BYTE 00 FF 420 ...

Page 45: ...G FREQUENCY LOW BYTE 00 FF POS 143 457 TUNING FREQUENCY HIGH BYTE 00 FF 458 TUNING FREQUENCY LOW BYTE 00 FF POS 144 459 TUNING FREQUENCY HIGH BYTE 00 FF 45A TUNING FREQUENCY LOW BYTE 00 FF POS 145 45B TUNING FREQUENCY HIGH BYTE 00 FF 45C TUNING FREQUENCY LOW BYTE 00 FF POS 146 45D TUNING FREQUENCY HIGH BYTE 00 FF 45E TUNING FREQUENCY LOW BYTE 00 FF POS 147 45F TUNING FREQUENCY HIGH BYTE 00 FF 460 ...

Page 46: ...G FREQUENCY LOW BYTE 00 FF POS 175 497 TUNING FREQUENCY HIGH BYTE 00 FF 498 TUNING FREQUENCY LOW BYTE 00 FF POS 176 499 TUNING FREQUENCY HIGH BYTE 00 FF 49A TUNING FREQUENCY LOW BYTE 00 FF POS 177 49B TUNING FREQUENCY HIGH BYTE 00 FF 49C TUNING FREQUENCY LOW BYTE 00 FF POS 178 49D TUNING FREQUENCY HIGH BYTE 00 FF 49E TUNING FREQUENCY LOW BYTE 00 FF POS 179 49F TUNING FREQUENCY HIGH BYTE 00 FF 4A0 ...

Page 47: ...G FREQUENCY LOW BYTE 00 FF POS 207 4D7 TUNING FREQUENCY HIGH BYTE 00 FF 4D8 TUNING FREQUENCY LOW BYTE 00 FF POS 208 4D9 TUNING FREQUENCY HIGH BYTE 00 FF 4DA TUNING FREQUENCY LOW BYTE 00 FF POS 209 4DB TUNING FREQUENCY HIGH BYTE 00 FF 4DC TUNING FREQUENCY LOW BYTE 00 FF POS 210 4DD TUNING FREQUENCY HIGH BYTE 00 FF 4DE TUNING FREQUENCY LOW BYTE 00 FF POS 211 4DF TUNING FREQUENCY HIGH BYTE 00 FF 4E0 ...

Page 48: ...UNING FREQUENCY HIGH BYTE 00 FF 50E TUNING FREQUENCY LOW BYTE 00 FF POS 235 50F TUNING FREQUENCY HIGH BYTE 00 FF 510 TUNING FREQUENCY LOW BYTE 00 FF POS 236 511 TUNING FREQUENCY HIGH BYTE 00 FF 512 TUNING FREQUENCY LOW BYTE 00 FF POS 237 513 TUNING FREQUENCY HIGH BYTE 00 FF 514 TUNING FREQUENCY LOW BYTE 00 FF POS 238 515 TUNING FREQUENCY HIGH BYTE 00 FF 516 TUNING FREQUENCY LOW BYTE 00 FF POS 239 ...

Page 49: ...25 S SYSTEM POS125 C SYSTEM POS125 00 00 9C 00 55A ANT BOOSTER POS126 S SYSTEM POS126 C SYSTEM POS126 00 00 9C 00 55B ANT BOOSTER POS127 S SYSTEM POS127 C SYSTEM POS127 00 00 9C 00 55C ANT BOOSTER POS128 S SYSTEM POS128 C SYSTEM POS128 00 00 9C 00 55D ANT BOOSTER POS129 S SYSTEM POS129 C SYSTEM POS129 00 00 9C 00 55E ANT BOOSTER POS130 S SYSTEM POS130 C SYSTEM POS130 00 00 9C 00 55F ANT BOOSTER PO...

Page 50: ...89 S SYSTEM POS189 C SYSTEM POS189 00 00 9C 00 59A ANT BOOSTER POS190 S SYSTEM POS190 C SYSTEM POS190 00 00 9C 00 59B ANT BOOSTER POS191 S SYSTEM POS191 C SYSTEM POS191 00 00 9C 00 59C ANT BOOSTER POS192 S SYSTEM POS192 C SYSTEM POS192 00 00 9C 00 59D ANT BOOSTER POS193 S SYSTEM POS193 C SYSTEM POS193 00 00 9C 00 59E ANT BOOSTER POS194 S SYSTEM POS194 C SYSTEM POS194 00 00 9C 00 59F ANT BOOSTER PO...

Page 51: ...2 POS 141 POS 140 POS 139 POS 138 POS 137 POS 136 00 00 FF 00 5DD POS 151 POS 150 POS 149 POS 148 POS 147 POS 146 POS 145 POS 144 00 00 FF 00 5DE POS 159 POS 158 POS 157 POS 156 POS 155 POS 154 POS 153 POS 152 00 00 FF 00 5DF POS 167 POS 166 POS 165 POS 164 POS 163 POS 162 POS 161 POS 160 00 00 FF 00 5E0 POS 175 POS 174 POS 173 POS 172 POS 171 POS 170 POS 169 POS 168 00 00 FF 00 5E1 POS 183 POS 18...

Page 52: ...S A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 600 601 602 603 604 605 606 607 608 609 60A 60B 60C 60D 60E 60F 610 611 612 613 614 615 616 617 618 619 61A 61B 61C 61D 61E 61F 620 ...

Page 53: ...S A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 640 641 642 643 644 645 646 647 648 649 64A 64B 64C 64D 64E 64F 650 651 652 653 654 655 656 657 658 659 65A 65B 65C 65D 65E 65F 660 ...

Page 54: ...S A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 680 681 682 683 684 685 686 687 688 689 68A 68B 68C 68D 68E 68F 690 691 692 693 694 695 696 697 698 699 69A 69B 69C 69D 69E 69F 6A0 ...

Page 55: ...S A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 6C0 6C1 6C2 6C3 6C4 6C5 6C6 6C7 6C8 6C9 6CA 6CB 6CC 6CD 6CE 6CF 6D0 6D1 6D2 6D3 6D4 6D5 6D6 6D7 6D8 6D9 6DA 6DB 6DC 6DD 6DE 6DF 6E0 ...

Page 56: ...S A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 700 701 702 703 704 705 706 707 708 709 70A 70B 70C 70D 70E 70F 710 711 712 713 714 715 716 717 718 719 71A 71B 71C 71D 71E 71F 720 ...

Page 57: ...S A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 740 741 742 743 744 745 746 747 748 749 74A 74B 74C 74D 74E 74F 750 751 752 753 754 755 756 757 758 759 75A 75B 75C 75D 75E 75F 760 ...

Page 58: ...S A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 780 781 782 783 784 785 786 787 788 789 78A 78B 78C 78D 78E 78F 790 791 792 793 794 795 796 797 798 799 79A 79B 79C 79D 79E 79F 7A0 ...

Page 59: ...S A0 00 FF A2 100 1FF A4 200 2FF A6 300 3FF A8 400 4FF AA 500 5FF AC 600 6FF AE 700 7FF ADDRESS DATA MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 7C0 7C1 7C2 7C3 7C4 7C5 7C6 7C7 7C8 7C9 7CA 7CB 7CC 7CD 7CE 7CF 7D0 7D1 7D2 7D3 7D4 7D5 7D6 7D7 7D8 7D9 7DA 7DB 7DC 7DD 7DE 7DF 7E0 ...

Page 60: ...regulator circuit and Q753 IC751 Q754 for 5V regulator circuit Check D751 Check NR701 NO PICTURE NO SOUND No snow noise Does noise or signal appear at pin 24 of IC801 Noise increases but no signal is received Check the tuner supply voltage LB must approx 5V BT must be approx 33V And check the CH preset data Check the tuner AGC at TP201 Check IC801 and related circuit Check pin 1 of SF201 Tuner and...

Page 61: ... Detector Circuit Sound Switch and Att Control Audio Output Circuit Check signal appear from pin 50 of IC801 to pin 4 of IC301 NEITHER VERTICAL NOR HORIZONTAL SYNCHRONIZATION CIRCUIT TO BE CHECKED Sync Separator Circuit Check pins 9 13 and 14 of IC801 Check Speaker Check IC301 and peripheral circuit NO VERTICAL SCAN Check IC501 Check C511 Check IC501 bias ...

Page 62: ...s yellow The picture colour is magenta The picture colour is cyan Check Q855 and its adjacent circuits Check Q854 and its adjacent circuits Check Q853 and its adjacent circuits Check IC801 Check IC801 and bias control circuit NO COLOUR PAL NO COLOUR SYNCHRONIZATION Check X801 4 43MHz Vertical linearity and size are abnormal DEFECTIVE VERTICAL AMP AND VERTICAL LINEARITY Re adjust vertical size Bus ...

Page 63: ...W 8 5 1 4 M24C08 CATHODE ANODE 2 A EX1393C IXC129WJ COLLECTOR BASE EMITTER H R C3928 COLLECTOR BASE EMITTER T R A1530 CATHOD ANODE RED PX0013 _ DX0476CE SIDE VIEW E C B 2SC3198 E C B 2SD468 C 2SC2235 LA42031E E C B TT2140 LOTNo TT2140 1 2 3 PQ05RDA 1 4 STRW5453 1 7 BF422 3 BASE 2 COLLECTOR 1 EMITTER STV9302B 64 41 65 40 80 25 1 4 IXC129WJ 1 7 1 13 LA42031E ...

Page 64: ...21F PD250 21F PT220 21F PA18 21F PA18 B 7 1 CHAPTER 7 CHASSIS LAYOUT 1 CHASSIS LAYOUT ...

Page 65: ...21F PD250 21F PT220 21F PA18 21F PA18 B 7 2 ...

Page 66: ...21F PD250 21F PT220 21F PA18 21F PA18 B 8 1 CHAPTER 8 BLOCK DIAGRAM 1 BLOCK DIAGRAM MAIN UNIT ...

Page 67: ...21F PD250 21F PT220 21F PA18 21F PA18 B 8 2 ...

Page 68: ...21F PD250 21F PT220 21F PA18 21F PA18 B 8 3 ...

Page 69: ...21F PD250 21F PT220 21F PA18 21F PA18 B 8 4 ...

Page 70: ...21F PD250 21F PT220 21F PA18 21F PA18 B 8 5 2 BLOCK DIAGRAM CRT UNIT ...

Page 71: ...ges without parenthesis measured with 3mV B W or Colour signal 2 All the voltages in each point are measured with VTVM 3 WAVEFORM MEASUREMENT CONDITIONS The colour bar generator signal of 1 0V peak applied at pin 41 of IC801 1 Approximately 4V AGC bias 2 SERVICE PRECAUTION THE AREA ENCLOSED BY THIS LINE IS DI RECTLY CONNECTED WITH AC MAINS VOLTAGE WHEN SERVICING THE AREA CONNECT AN ISOLAT ING TRAN...

Page 72: ...21F PD250 21F PT220 21F PA18 21F PA18 B 10 1 CHAPTER 10 WAVEFORMS 1 WAVEFORMS ...

Page 73: ...21F PD250 21F PT220 21F PA18 21F PA18 B 11 1 CHAPTER 11 SCHEMATIC DIAGRAM 1 SCHEMATIC DIAGRAM CRT UNIT ...

Page 74: ...21F PD250 21F PT220 21F PA18 21F PA18 B 11 2 2 SCHEMATIC DIAGRAM MAIN UNIT ...

Page 75: ...21F PD250 21F PT220 21F PA18 21F PA18 B 11 3 ...

Page 76: ...21F PD250 21F PT220 21F PA18 21F PA18 B 11 4 ...

Page 77: ...21F PD250 21F PT220 21F PA18 21F PA18 B 11 5 10 11 12 13 14 15 16 17 18 19 ...

Page 78: ...21F PD250 21F PT220 21F PA18 21F PA18 B 12 1 TV 21Q FG1F Service Manual 21Q FG1F Market E CHAPTER 12 PRINTED WIRING BOARD ASSEMBLIES 1 PWB A MAIN COMPONENT SIDE ...

Page 79: ...21F PD250 21F PT220 21F PA18 21F PA18 B 12 2 2 PWB A MAIN CHIP SIDE ...

Page 80: ...21F PD250 21F PT220 21F PA18 21F PA18 B 12 3 3 PWB B CRT COMPONENT SIDE 4 PWB B CRT CHIP SIDE A C B D 1 2 3 4 5 6 7 8 9 10 A C B D 1 2 3 4 5 6 7 8 9 10 ...

Page 81: ... set Be sure to replace these parts with specified ones for maintaining the safety and performance of the set 1 PICTURE TUBE 2 PRINTED WIRING BOARD ASSEMBLIES 3 MAIN UNIT 4 CRT UNIT 6 SUPPLIED ACCESSORIES 7 CABINET PARTS 8 PACKING PARTS 21F PT220 21F PD250 21F PA18 21F PA18 B 5 MISCELLANEOUS PARTS SHARP MANUFACTURING THAILAND CO LTD ...

Page 82: ...03 D393 D503 D505 D510 D602 D603 D604 D605 D606 D607 D608 D701 D706 D707 D709 D715 D721 D722 D723 D732 D736 D750 D751 D752 D754 D757 D762 D763 D764 D801 D806 D807 D808 D809 D1001 D1002 D1005 D1006 D1008 D1009 D1081 D1082 D1800 NR701 Picture Tube ITC Type Degaussing Coil Corting Ground Wire Main Unit 21F PT220 Main Unit 21F PA18 21F PA18 B Main Unit 21F PD250 CRT Unit 21F PT220 CRT Unit 21F PA18 21...

Page 83: ...Transformer Transformer Capacitor 1000µF 10V Electrolytic Capacitor 0 01µF 50V Ceramic Capacitor 1000µF 10V Electrolytic Capacitor 10µF 50V Electrolytic Capacitor 47µF 25V Electrolytic Capacitor 0 22µF 50V Electrolytic Capacitor 6800pF 50V Ceramic Capacitor 22µF 16V Electrolytic Capacitor 470µF 25V Electrolytic apacitor 0 47µF 50V Plastic Capacitor 4 7µF 50V Electrolytic Capacitor 10µF 16V Electro...

Page 84: ...c Capacitor 0 01µF 16V Ceramic Capacitor 0 01µF 16V Ceramic for 21F PD250 21F PA18 21F PA18 B only Capacitor 0 1µF 50V Ceramic Capacitor 0 1µF 50V Ceramic Capacitor 1µF 16V Ceramic for 21F PT220 only Capacitor 0 47µF 50V Electrolytic Capacitor 3 3µF 50V Electrolytic Capacitor 0 01µF 16V Ceramic for 21F PD250 21F PA18 21F PA18 B only Capacitor 0 47µF 50V Electrolytic Capacitor 0 01µF 50V Ceramic Ca...

Page 85: ...6W Metal Oxide Resistor 330 1W Metal Film Resistor 1 1 2W Carbon Resistor 33k 1 2W Carbon Resistor 6 8k 1 2W Carbon Resistor 6 8k 1 16W Metal Oxide Resistor 10k 1 16W Metal Oxide Resistor 10k 1 16W Metal Oxide Resistor 100 1 16W Metal Oxide Resistor 39k 1 8W Carbon Resistor 39k 1 8W Carbon Resistor 47k 1 8W Carbon Resistor 100k 1 2W Carbon Resistor 0 22 3W Metal Film Resistor 27 1 2W Carbon Resist...

Page 86: ...Resistor 2 2k 1 16W Metal Oxide Resistor 2 2k 1 16W Metal Oxide Resistor 2 2k 1 16W Metal Oxide Resistor 180 1 16W Metal Oxide Resistor 180 1 16W Metal Oxide Resistor 180 1 16W Metal Oxide Resistor 4 7k 1 16W Metal Oxide Resistor 3 3k 1 16W Metal Oxide Resistor 3 3k 1 16W Metal Oxide Resistor 1k 1 16W Metal Oxide Resistor 100 1 8W Carbon Resistor 100 1 8W Carbon Resistor 100k 1 16W Metal Oxide Res...

Page 87: ...Transistor BF422 Transistor BF422 Transistor 2SA1530AR Diode 1N4148 Diode 1N4148 Zener Diode 5 6V Diode 1N4148 Peaking Coil 82mH Capacitor 560pF 50V Ceramic Capacitor 270pF 50V Ceramic Capacitor 270pF 50V Ceramic Capacitor 0 01µF 1 5kV Ceramic Capacitor 33µF 16V Electrolytic Resistor 330 1 16W Metal Oxide Resistor 47 1 16W Metal Oxide Resistor 47 1 16W Metal Oxide Resistor 47 1 16W Metal Oxide Res...

Page 88: ...1 8 2 2 1 1 1 1 1 2 1 3 1 4 1 5 1 6 2 2 1 2 2 Front Cabinet Assembly Front Cabinet Power Button Spring R C LED Cover Control Button Sharp Badge Rear Cabinet Assembly Rear Cabinet Front Cabinet Assembly for 21F PA18 only Front Cabinet Assembly for 21F PA18 B only Front Cabinet Power Button Power Button Spring R C LED Cover Sharp Badge Door Door Spring Indication Plate Rear Cabinet Cab B Indication ...

Page 89: ...BZB584WJZZ TLABZB585WJZZ TLABZB582WJZZ 3 4 5 6 7 8 Packing Case for 21F PD250 only Packing Case for 21F PA18 21F PA18 B only Packing Case for 21HXF250I 21HXF1000I only Packing Foam Top for 21F PD250 only Packing Foam Top for 21F PA18 21F PA18 B only Packing Foam Top for 21HXF250I 21HXF1000I only Packing Foam Bottom for 21F PD250 only Packing Foam Bottom for 21F PA18 21F PA18 B only Packing Foam Bo...

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