Instruction/ maintenance manual of the product TV-A2115 Aiwa
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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”.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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 17.
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.
– 9 – SCHEMATIC DIAGRAM - 1 (MAIN).
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.
– 11 – SCHEM ATIC DIAGRAM - 2 (AUDIO).
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.
– 13 – SCHEM ATIC DIAGRAM - 3 (NK).
– 14 – IC BLOCK DIAGRAM.
– 15 –.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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.
– 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 .
– 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.
– 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 1.
– 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 .
– 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 G.
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.
An important point after buying a device Aiwa TV-A2115 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Aiwa TV-A2115 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Aiwa TV-A2115 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Aiwa TV-A2115 you will learn all the available features of the product, as well as information on its operation. The information that you get Aiwa TV-A2115 will certainly help you make a decision on the purchase.
If you already are a holder of Aiwa TV-A2115, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Aiwa TV-A2115.
However, one of the most important roles played by the user manual is to help in solving problems with Aiwa TV-A2115. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Aiwa TV-A2115 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
