Aiwa TV-A2115 manual

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Table of contents for the manual

  • Page 1

    SER VICE MANUAL DA T A COLOR TELEVISION TV-A2115 KE S/M Code No. 09-005-429-9R1 REVISION • This Service Manual is the "Revision Publishing" and replaces "Simple Manual" (S/M Code No. 09-003-429-9T1). • This Service Manual does not include “DISASSEMBLY INSTRUCTIONS” and “ADJUSTMENT”. These items will be issued in the [...]

  • Page 2

    – 2 – SPECIFICATIONS Tuner System Frequency synthesized tuner TV System PAL (B/G, D, K) SECAM (B/G, D/K, K1) NTSC Channel Coverage VHF: E2 to E12, R1 to R12 UHF: 21 to 69 CATV: S1 to S41 Program Memory 100 TV stations Antenna Input 75 ohms, unbalanced Picture Tube 21" Screen Size 406 (W) X 305 (H) mm (16 x 12 1 / 8 in.) 508 mm (diagonal) ([...]

  • Page 3

    – 3 – When servicing and checking on the TV , note the followings. NOTICES BEFORE REP AIRING T o make the best use of this equipment, make sure to obey the following items when repairing (or mending). 1. Do not damage or melt the tunicate of the leading wire on the AC1 side, including the power supply cord. 2. Do not soil or stain the letters o[...]

  • Page 4

    – 4 – ELECTRICAL MAIN PARTS LIST DESCRIPTION REF. NO. KANRI NO. PART NO. DESCRIPTION REF. NO. KANRI NO. PART NO. IC 8A-JEH-651-010 IC,TMP87CP38N 87-A21-133-080 IC,BMR-0101D 87-A91-538-010 RCR UNIT,SBX1981-72P 87-A21-433-010 IC,KS24C041I 87-A21-165-010 IC,TB1240AN 87-A21-166-010 IC,TA1275AZ 87-A21-259-010 IC,MM1454XD 87-A21-345-010 IC,NJM2150 87[...]

  • Page 5

    – 5 – DESCRIPTION REF. NO. KANRI NO. PART NO. DESCRIPTION REF. NO. KANRI NO. PART NO. ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! C609 87-010-386-080 CAP,E330-25 SME C610 87-016-217-080 CAP,E 4.7-160 C611 87-A10-043-010 CAP,PP 0.56-200 PH C613 87-A10-625-090 CAP,M/P 0.0082-1250 J C614 87-012-396-090 CAP,CER 820P-2K K BN DE C616 87-018-132-080 CAP, CER 2200P-[...]

  • Page 6

    – 6 – DESCRIPTION REF. NO. KANRI NO. PART NO. DESCRIPTION REF. NO. KANRI NO. PART NO. THP801 87-A90-759-010 POS-THMS,PTH451C272BF300N270 TU101 87-A91-495-010 TU UNIT, ENV59D58G3-38.0MHZ X1 87-030-300-080 VIB,XTAL 8.00MHZ X301 87-A70-054-080 VIB,XTAL 4.43MHZ AQC-1018 AUDIO C.B C401 87-010-402-080 CAP, ELECT 2.2-50V C402 87-010-260-080 CAP, ELECT[...]

  • Page 7

    – 7 – TRANSIST OR ILLUSTRA TION SE1 15N 1 2 3 1. SENSE 2. COLLECTOR 3. GROUND 2SA950 2SA1015 S D G 2SJ460 2SK2541 E C B 2SC3467 2SC3779 E C B E C B DTC323 2SD2333 B C E E C B 2SC2688 E C B 2SA1 175 2SC2785 DTC144ES E C B[...]

  • Page 8

    WIRING - 1 (MAIN) – 8 – 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E F G H I J K L M N O P Q R S T U 1 2 3 4 5 6 7 8 9 25 26 27 28 29 30 31 32[...]

  • Page 9

    – 9 – SCHEMATIC DIAGRAM - 1 (MAIN)[...]

  • Page 10

    WIRING - 2 (AUDIO) – 10 – 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E F G H I J K L M N O P Q R S T U 1 2 3 4 5 6 7 8 9 25 26 27 28 29 30 31 32[...]

  • Page 11

    – 11 – SCHEM ATIC DIAGRAM - 2 (AUDIO)[...]

  • Page 12

    WIRING - 3 (NK) – 12 – 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J K L M N O P Q R S T U[...]

  • Page 13

    – 13 – SCHEM ATIC DIAGRAM - 3 (NK)[...]

  • Page 14

    – 14 – IC BLOCK DIAGRAM[...]

  • Page 15

    – 15 –[...]

  • Page 16

    – 16 – IC DESCRIPTION 1 VSS – Connected to GND. 2 POWER O During standby mode, "H" level is inserted to switch off H deflection & high voltage. 3 SIF A O SOUND IF switch A. 4 SIF B O SOUND IF switch B. 5 BBE O BBE select. 6 Q SUR O Q SURROUND switch. 7 N RESET O NICAM RESET ("L" = reset). 8 BBS O BASS BOOST / S-WOOFER.[...]

  • Page 17

    – 17 – 1 AFT OUT O The terminal for AFT output and self-adjust output. 2 A OUT O Audio output pin. 3 IF VCC – VCC of PIF circuit. 4 SIF IN I SIF input pin. (Not used) 5 IF GND – GND of PIF circuit. 6 IF IN I IF signal input. 7 IF IN I IF signal input. 8 RF AGC O RF AGC output. 9 IF AGC – The terminal to be connected with an IF AGC filter.[...]

  • Page 18

    – 18 – 43 SYNC IN I Input of the synchronous separation circuit. 44 BLK DET – The terminal to be connected with an Black Det filter. 45 C IN I Input of chroma signals. 46 Y/C VCC – VCC of Y/C circuit. 47 IFDET OUT O Composite video signal and SIF signal detected in IF circuit. 48 LOOP FLTR – Loop filter for IF PLL. 49 VCO GND – GND of V[...]

  • Page 19

    – 19 – VOLTAGE CHART REF NO. E C B Q101 1.2 0.5 8.9 REF NO. E C B Q104 1.6 9.0 2.2 REF NO. E C B Q105 3.6 0.0 2.9 REF NO. E C B Q106 3.6 9.0 4.2 REF NO. E C B Q108 2.9 9.0 3.6 REF NO. E C B Q301 11.3 11.2 10.6 REF NO. E C B Q303 0.0 0.3 4.5 REF NO. E C B Q401 0.2 2.3 0.2 REF NO. E C B Q402 0.2 3.2 0.1 REF NO. E C B Q404 0.2 0.2 0.3 REF NO. E C [...]

  • Page 20

    – 20 – PIN NO. VOLT (V) 1 0.0 2~3 5.1 4 0.0 5 0.0 6 5.1 7~9 0.0 10~12 5.1 13 4.6 14 5.1 15 0.0 16 2.6 17 2.2 18 5.1 19 0.0 20 0.7 21~25 0.0 26 4.2 27 4.5 28~29 5.1 30 0.0 31 2.2 32 2.5 33 5.1 34~35 0.1 36 5.1 37~38 5.0 39~40 5.1 41 0.1 42 5.1 IC1, TMP87CP38N REF NO. E C B Q901 2.5 0.0 1.8 REF NO. E C B Q902 0.0 9.0 0.9 REF NO. E C B Q903 0.0 9.[...]

  • Page 21

    – 21 – PIN NO. VOLT (V) 1 2.9 2 2.1 3~6 2.6 7 2.1 8 2.6 9 5.1 10 2.6 11 0.0 12 2.7 13 4.4 14 2.5 15 2.9 16 0.0 17 0.7 18 5.1 19 2.7 20 2.5 21 3.5 IC302, TA1275AZ PIN NO. VOLT (V) 1~2 4.3 3 4.9 4 0.3 5~7 4.3 8 0.2 9~13 4.3 14 5.0 15 4.3 16 9.2 IC401, MM1454XD PIN NO. VOLT (V) 1~7 4.7 8~11 0.2 12 9.1 13~20 4.7 IC402, NJM2150 PIN NO. VOLT (V) 17 9[...]

  • Page 22

    – 22 – IC802, NJM7805FA PIN NO. VOLT (V) 1 0.2 2 0.0 3 295.0 4 15.7 5 0.0 IC801, STR-F6656 PIN NO. VOLT (V) 1 0.0 2 0.1 3~4 2.2 5 0.1 6~8 0.0 9~10 6.6 11~15 0.0 16 9.1 IC901, TC4052BP PIN NO. VOLT (V) 1 11.3 2 0.0 3 5.1 PIN NO. VOLT (V) 1 11.7 2 0.0 3 9.0 IC803, NJM7809FA PIN NO. VOLT (V) 1 9.0 2 0.0 3 5.1 IC804, NJM7805FA PIN NO. VOLT (V) 1~2 [...]

  • Page 23

    – 23 – WAVEFORM IC301 PIN 19 (GOUT) 1 V/div 10 µ s/div IC301 PIN 23 (V NFB) 1 V/div 5 ms/div IC301 PIN 24 (VOUT) 0.2 V/div 5 ms/div IC301 PIN 26/27 (SCL/SDA) Pin 26 Pin 27 2 V/div 5 ms/div 1 1 2 2 3 3 4 4 IC301 PIN 30 (FBP IN) 2 V/div 20 µ s/div IC301 PIN 32 (H OUT) 1 V/div 20 µ s/div IC301 PIN 47 (IF DET OUT) 1 V/div 20 µ s/div Q912 EMITTE[...]

  • Page 24

    – 24 – Q910 BASE 0.5 V/div 20 µ s/div Q601 BASE 1 V/div 20 µ s/div T601 PIN 1 (COLLECTOR) 20 V/div 20 µ s/div IC1 PIN 26 (HD) 1V/div 20 µ s/div 9 9 10 10 11 11 IC1 PIN27 (VD) 1 V/div 5 ms/div Q101 COLLECTOR 0.1 V/div 20 µ s/div IC401 PIN 1 (RIN) 1 V/div 500 µ s/div IC402 PIN 7 (OUTPUT (A)) 1 V/div 500 µ s/div 13 13 14 14 12 12 AUDIO C.B [...]

  • Page 25

    – 25 – 17 17 18 18 20 20 IC410 PIN 7 (CH2 OUT) 2 V/div 500 µ s/div Q552 COLLECTOR 50 V/div 20 µ s/div NK C.B IC403 PIN 14 (OUT2) 1 V/div 500 µ s/div IC409 PIN 15 (IN2) 1 V/div 500 µ s/div 19 19[...]

  • Page 26

    – 26 – MECHANICAL EXPLODED VIEW 1 / 1 TV -A21 15 KEJL6CM (FileName:EXP .EPS) 125/1 AJB-K H 16 H G F F 15 P .C.B WIRE ASSY , CRT GND 21 D E E E E SPR-E, EARTH 14 D 13 17 11 C 10 9 8 7 C A 4 3 2 1 5 B P .C.B 12 J J J I C C 6 8 P .C.B[...]

  • Page 27

    – 27 – MECHANICAL PARTS LIST 1 / 1 DESCRIPTION REF. NO. KANRI NO. PART NO. COLOR NAME T ABLE Basic color symbol Color Basic color symbol Color Basic color symbol Color B Black C Cream D Orange G Green H Gray L Blue LT Transparent Blue N Gold P Pink R Red S Silver ST Titan Silver T Brown V Violet W White WT Transparent White Y Yellow YT Transpar[...]

  • Page 28

    2 – 1 1, IKENOHA T A 1 – CHOME, T AITO-KU, TOKYO 1 10, JAP AN TEL:03 (3827) 31 1 1 Printed in Singapore 9301978 0251431[...]