Kenwood TX-21AP2D Service Manual Download Page 20 | Manualshive

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Summary of Contents for TX-21AP2D

Page 1: ...Hz 33 9MHz Sound 33 4MHz B G 33 16MHz A2 33 05MHz NICAM B G D K L 32 4MHz D K 32 66MHz CZ STEREO 40 4MHz L 39 75MHz L NICAM Colour 34 47MHz PAL 34 5MHz 34 65MHz SECAM 38 3MHz 38 15MHz SECAM L Terminals AV1 IN Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 10kΩ RGB 21 pin 0 7V p p 75Ω AV1 OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ AV2 FRONT Audio RCAx2 500mV rms 10kΩ Video RCAx1 1V p p ...

Page 2: ...t on the receiver such as screw heads aerials connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 4M ohm and 20M ohm When the exposed metal does not have a return path to the chassis the reading must be infinite LEAKAGE CURRENT HOT CHECK 1 Plug the a c cord directly into the a c outlet Do not use an isolation transformer for t...

Page 3: ...SERVICE HINTS How to remove the rear cover 1 Remove the 5 screws as shown in Fig 2 LOCATION OF CONTROLS 3 Fig 2 Fig 3 SCREWS SCREWS D Board Focus Screen L Board ...

Page 4: ...attern 2 Set Brightness and Contrast to minimum 3 Set the TV into Service Mode 1 4 Select UG2 item Press or Adjust the screen VR till LED is just switched on SELF CHECK Self check is used to automatically check the bus lines and hexadecimal code of the TV set To enter Self Check mode you must set Bass to max and Treble to min press the STATUS button on the remote control and at the same time press...

Page 5: ...5 WAVEFORM PATERN TABLE CONDITIONS Contrast MAX Brightness MID Colour MID Sharpness MID ...

Page 6: ...after each adjustment has been made to store the required values To exit Service Mode press N button Alignment Function Setting indication Note All setting values are approximate Settings Special features EAROM copy TV EXT UG2 LED ON OFF LED to be just ON Verical Slope V SLO 031 Optimum setting Vertical Position V POS 037 Optimum setting Vertical Amplitude V AMP 022 Optimum setting Horizontal Shif...

Page 7: ..._L 28 DACM_R 27 MULTI STANDART SOUND PROCESSOR AV1 21 PIN SCART 20 VIDEO IN 15 R IN 11 G IN 19 VIDEO OUT 7 B IN 6 L IN 3 L OUT 2 R IN 1 R OUT IC2301 AUDIO OUTPUT IC 4 R IN 2 L IN L OUT P 12 L OUT M 11 R L Q2003 JK3201 V L R D BOARD R L D8 2 1 4 3 R OUT M 9 R OUT P 8 SC2_IN_L 53 SC1_IN_L 56 SC2_IN_R 54 SC1_IN_R 57 SC2_OUT_L 34 SC2_OUT_R 33 Q601 Q602 X180 Q603 Q2103 Q2102 TUNER 11 MONO OUT 48 60 MON...

Page 8: ..._SBY 225V POWER BUS 14 5V 14 5V 142V R004 33V D836 TUNER 6 7 9 RC IC1062 VCC R003 L2102 IC801 POWER SUPPLY 4 3 6 1 T801 V2 P2 P1 S7 S6 S3 S2 S4 Q850 D867 D868 IC851 REG 1 2 6 7 D869 8V 5V 14V 6 5V 142V 15V 12V 5V_SBY 5V_SBY 3 3V IC880 REG 1 3 400V STR_Vcc Q860 5V_SBY2 3 D5 3 L3 RGB OUTPUT 1 L2 IC351 6 Q369 Line Filter L830A 1 4 2 3 D4 1 IC1201 4 6 REG 5V_SBY IC601 VIDEO PROCESSOR 9 39 IC2101 AUDIO...

Page 9: ...DA_SW1 5 Q1103 XTAL 64 XTAL 63 IC2101 AUDIO PROCESSOR SCL_SW1 2 SDA_SW1 3 21 RST_MSP 71 XTAL_IN 72 XTAL_OUT 5 6 D7 RM 7 8 SERVICE TEST AV1 21 PIN SCART LED RM KEYSCAN LED 69 RM 8 SLOW1 Q1101 X2101 Q2306 12 SDA_SW2 10 SCL_SW2 X601 D BOARD D583 Q2380 Q2385 ST ON 70 Q852 POWER SUPPLY REMOTE IC1062 AGC 22 1 AGC RM SDA SCL KEYSCAN D1061 SERVICE SDA SCL SCL SW1 SCL SW2 SDA SW1 SDA SW2 D2101 Q2101 SERVIC...

Page 10: ...PARTS LOCATION 10 NOTE The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List 12 16 4 15 7 10 19 2 18 6 17 5 9 13 11 8 14 20 1 3 ...

Page 11: ...SCREW SK403 XTB4 12A SCREW SK404 XTB4 12A SCREW SK410 XTB4 12A SCREW SK411 XTB4 12A SCREW SK412 XTB4 12A SCREW SK413 XTB4 12A I C s RGB OUTPUT IC351 TDA6107JF N3 VERTICAL OUTPUT IC451 LA78040N MICRO PROCESSOR IC601 TDA9594V133S POWER SUPPLY IC801 STRW6754LF06 ERROR IC IC802 SE140NLF4 IC FOR POWER SUPPLY IC851 STV8131 REGULATOR IC880 BA05T LED RECEIVER IC1062 RPM 6937 3 3V REGULATOR IC1201 C0CBABC0...

Page 12: ...557B 126 TRANSISTOR Q850 2SA1668LF603 TRANSISTOR Q852 2SC24060RL TRANSISTOR Q857 2SC54190QA TRANSISTOR Q860 2SC24060RL TRANSISTOR Q1100 BC847B TRANSISTOR Q1101 BC847B TRANSISTOR Q1102 BC847B TRANSISTOR Q1103 BC847B TRANSISTOR Q2003 BC847B TRANSISTOR Q2101 BC857B TRANSISTOR Q2102 BC857B TRANSISTOR Q2103 BC857B TRANSISTOR Q2306 BC847B TRANSISTOR Q2380 BC847B TRANSISTOR Q2381 BC857B TRANSISTOR Q2385 ...

Page 13: ... 5 1K6 Ω S M CARB R405 ERJ6GEYJ471V 0 1W 5 470 Ω CARBON R406 ERDS2TJ1R5T 0 25W 5 1R5 Ω METAL R407 ERG3SJS221H 3W 5 220 Ω SMD R413 ERJ6GEYJ162V 125W 5 1K6 Ω METAL R416 ERX1SJ2R7P 1W 5 2R7 Ω METAL R417 ERX1SJ2R7P 1W 5 2R7 Ω S M CARB R420 ERJ6GEYJ330V 0 1W 5 33 Ω S M CARB R502 ERJ6GEYJ182V 0 1W 5 1K8 Ω METAL R504 ERG2SJ332E 2W 5 3K3 Ω S M CARB R507 ERJ6GEYJ561V 0 1W 5 560 Ω METAL R509 ERG3FJ332H 3W 5...

Page 14: ...0K Ω SMD R1112 ERJ6GEYJ101Z 125W 5 100 Ω SMD R1113 ERJ6GEYJ101Z 125W 5 100 Ω SMD R1114 ERJ6GEYJ102Z 0 125 5 1K Ω SMD R1115 ERJ6GEYJ101Z 125W 5 100 Ω SMD R1116 ERJ6GEYJ101Z 125W 5 100 Ω SMD R1117 ERJ6GEYJ101Z 125W 5 100 Ω S M CARB R1118 ERJ6GEYJ472V 0 1W 5 4K7 Ω S M CARB R1119 ERJ6GEYJ472V 0 1W 5 4K7 Ω SMD R1120 ERJ6GEYJ101Z 125W 5 100 Ω SMD R1121 ERJ6GEYJ101Z 125W 5 100 Ω S M CARB R1125 ERJ6GEYJ10...

Page 15: ...JVB 1600V 4 7nF S M CAP C570 ECJ2VC1H560J 50V 56pF ELECT C580 F2A1H220A182 50V 22µF FILM C581 ECQV1H105JL3 50V 1µF ELECT C601 ECEA1CKA101B 16V 100µF S M CAP C602 ECJ2FB1H104K 50V 100nF S M CAP C603 ECJ2VB1H472K 50V 4 7nF FILM C604 ECQV1H224JL3 50V 220nF FILM C605 ECQV1H224JL3 50V 220nF S M CAP C606 ECJ2VC1H222J 50V 2 2nF ELECT C607 ECEA1HKA010B 50V 1µF ELECT C608 ECEA1HKA100B 50V 10µF S M CAP C609...

Page 16: ...nF ELECT C2135 F2A1C101A180 16V 100µF S M CAP C2136 ECJ2VF1H104Z 50V 100nF ELECT C2137 F2A1C100A180 16V 10µF S M CAP C2138 ECJ2VB1H471K 50V 470pF S M CAP C2139 ECJ2VC1H221J 50V 220pF ELECT C2140 F2A1C101A180 16V 100µF S M CAP C2141 ECJ2VC1H152J 50V 1 5nF S M CAP C2142 ECJ2VB1H103K 50V 10nF S M CAP C2149 ECJ2FB1H104K 50V 100nF ELECT C2150 F2A1E1010056 25V 100µF S M CAP C2151 ECJ2VC1H222J 50V 2 2nF ...

Page 17: ...E80100 INSTRUCTION BOOKS GERMAN TQB0E0046A M DUTCH TQB0E0046B M FRENCH TQB0E0046D M SPANISH TQB0E0046E M SWEDISH TQB0E0046F M NORWEGIAN TQB0E0046G M FINNISH TQB0E0046H M DANISH TQB0E0046K M I C s EAROM M24C16 WMN6T IC1103 GP3 4C05F3 DIFFERENCES FOR MODEL TX 21AP2P EXPLODED VIEW 5 KEY BUTTON 15 TBX0E80200 2 AV COVER 16 TKP0E10401 BACK COVER 17 TKU0E0135 CABINET 18 TKY0E0142 MODEL LABEL 19 TBM0E0271...

Page 18: ...est at time of printing and are subject to change without notice REMARKS a Do not touch the hot part or the hot and cold parts at the same time as you are liable to a shock hazard b Do not short circuit the hot and cold circuits as electrical components may be damaged c Do not connect an instrument such as an oscilloscope to the hot and cold circuits simultaneously as this may cause fuse failure C...

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Page 21: ...3 C1 D583 A5 TP S Q605 C1 D602 C2 TP1 A4 Q841 C5 D603 C2 TP2 A1 Q846 E4 D670 A5 TP3 A4 Q847 F4 D801 D7 TP4 B4 Q850 D4 D802 D7 TP5 F5 Q852 D4 D803 E7 TP6 D1 Q857 D4 D810 E6 TP7 E4 Q860 C5 D817 D7 TP8 C3 D820 D6 TP11 E4 DIODES D823 D6 TP12 C5 D001 A1 D824 D6 TP14 C4 D002 A2 D825 D6 TP18 A1 D003 A2 D836 D8 TP19 A5 D104 B2 D844 C8 TP21 E4 D1056 F7 D848 E4 TP90 C3 D1061 F7 D849 F5 TP91 C3 D1132 B1 D859...

Page 22: ...TRAN S IC S Q369 E2 IC351 F2 DIODES TP S D354 F2 TPL1 E1 D355 F2 TPL2 E1 D356 F2 TPL3 E1 D360 F2 TPL4 F2 D361 F2 TPL5 F1 D362 F2 TPL6 F1 D363 E2 TPL7 F2 D365 E2 D375 E2 L BOARD TNP0EL005 1 2 E F 22 ...

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