Akai-ACL-801-Schematic电路图 维修手册.pdf

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1、www.akai.ru Model: ACL-801 CAR TV RadioFans.CN 收音机爱 好者资料库 AKAI ACL-801 Servicing Map 1. No picture. No sound. backlight not light Yes Power on to check Power supply audion B 1204 E pole +12V(Yes/No) No Press Power to check 1024 C pole output +12V (Yes/ No) Check fuse +12V output Yes No Yes No Check

2、high voltage Surge circuit and signal manage circuit Check IC 37160 29 footsie +5V (Yes/No) Check and change Power polarity diode and power on Check Power Jack, fuse and unit current more than 1.5 A Check 1204 front controll audion periphery parts Change fuse Check 1204 front controll audion periphe

3、ry parts(Yes/No) Check and change Power supply parts such as transformer and every Power supply No Yes No No Yes Yes Check and change IC 37160 and IC 24C08 etc periphery parts Change buck RadioFans.CN 收音机爱 好者资料库 2 Backlight not light. Picture regular Check high voltage surge circuit Power supply pip

4、e 1202 C pole 12V(Yes/ No) Yes No Check and change high voltage surge audion AB2C184 high voltage bag etc Check high voltage Power supply pipe 1202 E pole +12V (Yes/ No) Yes No Check and Change IC5001 and correlative periphery parts Check and change 1? resistance RadioFans.CN 收音机爱 好者资料库 3. Whole lig

5、ht (No picture. No sound. Backlight regular) Yes Check POWER transformer HD-30534 commutate voltage output regular(+5V、+16V、-16V、+24V or 30 V) 0.8V above0.5V-0.7V No Check Screen arrange 1 footsie +16V 12 footsie -16V 29,30,31,32 footsie +5V regular(Yes/No) Check Transformercomm utate diode regular

6、Check and change current Power 3518 checkmainboar d 3 footsie complex inphase regular Checking Power supply parts Check and change commutate output Change parts Check and change 3518 and periphery parts Check and change Power supply current Resistance 10 Check 3Y26A 48 footsie complex insphase regul

7、ar (Yes/No) Checking and change screen and arrange 16,20 screen scanning to control circuit parts Check and change Power supply current Check 3Y26A 2 footsie complex inphase 4.8V(Yes/No) Check and change 3Y26A Checking IC4011 13 footsie complex insphase regular(Yes/No) Check and change 13 footsie bu

8、ck parts Checking ICM61260 11 footse 5 footsie ,in phase signal output (Yes/ No) Check and change IC4011 Check ICM61260 12,44 12V 3.4.39.40 footsie 5V(Yes/No) Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No Yes No Check 31585Footsie +12V regular (Yes/No) Check Power supply circuit Check and

9、change ICM61260 4 . No sound, picture regular Touch IC61260 51 footse souffle(Yes/No) Touch IC61260 51 footse souffle(Yes/No) Check IC61260 53 footsie audio frequency signal input(Yes/No) Check and change nce 27 resista Check speaker, Earphone jack regular ( Yes/No) Change parts Check and change LM3

10、86 and periphery parts Check and change C1uf/50V，4.7， Check IC61260 4 footsie +5V, 50 footsie ,52 footsie 3.4V regular(Yes/No) No No No Yes Yes No Yes No Yes Yes Check IC 61260 51 footsie and correlative periphery Parts ,resistance 10K capacitance etc Using disturb way touch ICLM386 3 footsie has so

11、uffle (Yes /No) Yes No Check and change output parts Change IC61260 12345678 A B C D 87654321 D C B A 4S MO MO MO 301c 301c 401c 401c 301c FU001 V3 . 6 / u022 101L V5+CCV Hu022 u74u74 V21+DDV 10U/50V Hu022 U74 U74 V21-CCV 1 2 3 45 6 7 8 0167 401c 501 286 222RV 222 322 v52 / u001 101L 301c 401c u01 2

12、01c 363 486 01 V21+CCV MO u74 301c Hu033 u74 V5 . 7+ V03+CCV 8153 481 101c V52 / u74 301c 1 2 3 45 6 7 8 683 201 501c c74c 2018R6365C u001 u022 301c W1 / 72 V21+CCV TUO OIDUA RAE 2PIS 193 1 AFT +5V +5V VOUT 6 7 8 9 10 HOUT +8V 13 R G B 71 81 CNYSH CNYSV NIB NIG NIR KLB KLC ADS LCS 82 92 03 13 V7 . 5

13、 33 34 35 36 37 38 39 40 41 42 43 +8V 45 46 +8.7V 48 94 05 TUOA 25 NIA 45 55 65 75 85 CGA 06 16 26 1FIV 2FIV 06216M 1 2 3 4 5 6 7 8 9 01 11 21 13 14 15 16 17 18 19 20 21 22 23 24 52 62 72 82 92 03 13 23 33 43 53 63 37 38 39 40 41 42 43 44 45 46 47 48 62Y3 321351333333351 301c 301c 401cu74 401c401c40

14、1c 221221221 265 265 265 301301 301c TUO MOCV N I CNYS 201 101 101 101 CNYS H 1NI MOCV 2N I MOCV 302RV 301RV301RV301RV 301c401c401c 401c401c401c401c 401c 101 401c u01 TUO R 101 TUO G 401c 101 TUO B 033L V5+CCV V5 . 7+ R G B 1 2 3 4 5 6 78 9 01 11 21 31 41 1104 TUO H 365 222c 274 201 4 1 2 3 5 T9 TUO

15、 VNI CNYSV5+ KCALB 301c 301c u001 TFA 201 TUO V 433c 301C 501c 265 301 MO 201 TUO H u74301c 301c HU22 V5+CCV V5+DDV 501 202 301c 233233233010101 UBHBLB CNYS V 401c 202 101 101 101c 101c 201 301c 101 174 401c 233501 165c301c 322 301c122c 501c 201201 174c 301c 301c u74 501c 01 V21+ UPC V5+ UPC 473 374

16、 MO 401c WS/WOP 34 . 4 151c 451c 451c 286 601 501c 186 101 V9+ 301c u74 L330 181c 501c 01 V21+CCV 202 401c 422c 422c 301 222c 401c 401c 474c 174c 174 301c 422c 401c Hu65 . 0 163 202c 03 265 272 401c HU2 . 1 401c 122 365 101 u001 401c 302 274 CGA FI FI u01 301c 301C u01 MB 2U2 u01 301c 401c UT UBHB L

17、B MB TNA TNA 274 301 301 101c TV PN 274 201 TFA 101c 201 201 1EDOM 2EDOM 274 274 274 274 233 233 LCSADS V5+ UPC 251 174 1 DNG DNG 2FIV 1FIV M83 000 TUO H 4 1 2 3 5 T9 274 274 1EDOM 2EDOM 000 V D/U R/L CNYS V 274 PN MOCV V21-CCV Hu022 U001 301c V5+CCV TUO G TUO B TUO R 1NI MOCV V21+DDV 2NI MOCV CNYS

18、H 1 2 3 4 5 6 7 8 9 01 11 21 31 41 51 61 71 81 91 02 12 22 32 42 42PIS IF AGC VT BU BH BL +5V TNADNG 5-T3-QDT 101 TUO CNYS TUO CNYS 8.7V FD YL FD 5 9 6 01 4 7 1 2 3 8 1A921 2 1 2PID 2 1 VK3 / 21C2BA 2BA 386C 221 221 101L 301C U001 W1 / 1 V21+CCV V5+ UPC 401c u01 7UA寸 01 274 321 321 222 201 328 302RV

19、 V5+ V5+ CE# 1 SO 2 WP# 3 SCK 6 VSS 4 HOLD# 7 SI 5 VDD 8 80C42 501c 201 301 122 401c V0 5 / U01 351 274 401c 9632 301 401c 301 201c TV UT V03+CCV c104 47U/25V V21+ 1FIV 2FIV TUO L 501c D/U R/L 1VA 3EDOM 1 TV 2 PN 3 IRB 4 3MWP 5 R-LOV 6 TFA 7 2TNI 8 OMER 9 CETORP 01 1EDOM 11 YEK 21 2EDOM 31 ETUM 41 D

20、U 51 RL 61 VA 71 SSV 81 DNG 91 CN 02 SSV 12 CCV 22 TLIF 32 FLH 42 DLOH-V 52 SBVC 62 TESER 72 NI KLC 82 YBDNATS 92 LCS 03 ADS 13 KLC 23 BF 33 R 43 G 53 B 63 CNYSV 73 CNYSH 83 ROTINOM 93 LB 04 HB 14 UB 24 06173M ADS LCS WS/WOP +9V +8V VIDEO IN VDD+5V TUO OIDUA CGA +8V RGB 1 2 3 4 5 6 USB A6 . 1 47B 12

21、8 301 WS/WOP V21+CCV 233 274 1 2 3 4 5 6 7 89 01 11 21 31 41 51 61 3504 u01 u01 474c NI OEDIV 1VA 401C u01 V5+CCV V9+ UPC V61 / u022 301c NI REWOP 4021 NPN 1 2 3 DC004 V21CD 374 475CPU U01 501* TFA HU2 . 1 V21 BLACK 293C 215 201 301 322c V5+ CNYS H PNP 265 265265 501c 274 201 201c V5+ TUO L u022 201 4 1 2 3 5 T9 172 301c 101101101 u01 128c 274 1 2 36 4 7 5 8 248 033L 301c Fu01 Fu01 TUO MOCV 321 101 01 Fu01 Fu01 NPN PNP YEK V21+DDV 401c 1 2 3 4 5 5PIS YEK YEK 101 101 101 01 01 6 9 8 7 5 4 3 2 1 A1T1 34503T 01 90L87 V9+ UPC 201 NPN 301