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Aiwa FR-A270 Servise Manual Download Page 13

-13-

ELECTRICAL ADJUSTMENT-2/2 (A270 MODEL)

< TUNER SECTION >

1. AM IF Adjustment

Settings:

• Test point TP3
• Adjustment location: T3

T3 ................................................................................ 450kHz

2. AM Frequency Range Adjustment

Settings:

• Test point TP3
• Adjustment location: TC4, L6

TC4 .................................. 1635kHz (EXCEPT UHC MODEL)
TC4 .................................................. 1750kHz (UHC MODEL)
L6 ................................................................................ 515kHz

3. AM Tracking Adjustment

Settings:

• Test point TP3
• Adjustment location: TC1, L5

TC1 .................................. 1400kHz (EXCEPT UHC MODEL)
TC1 .................................................. 1500kHz (UHC MODEL)
L5 ................................................................................ 600kHz

4. FM IF Adjustment

Settings:

• Input point TP2
• Test point TP3
• Adjustment location: T2

T2 .............................................................................. 10.7MHz

5. FM Frequency Range Adjustment

Settings:

• Input point TP1
• Test point TP3
• Adjustment location: TC3, L3

TC3 ................................................... 109MHz (UHC MODEL)
TC3 .................................. 108.3MHz (EZLC, EZHC MODEL)
L3 ...................................................... 87MHz (UHC MODEL)
L3 ..................................... 87.4MHz (EZLC, EZHC MODEL)

6. FM Tracking Adjustment

Settings:

• Input point TP1
• Test point TP3
• Adjustment location: TC2, L2

TC2 .............................................................................. 106MHz
L2 ................................................................................. 90MHz

Test point TP3

SP+

SP-

3

4

5

6

L5

L3

L6

Input point TP1

Input point TP2

TP2

R8

TC4

TC3

TC2

L2

TC1

2

3

TP1

C1

T2

T3

1

TP3

C26

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Summary of Contents for FR-A270

Page 1: ... EZ L H FR A270 FR A275 U H HRJ L K H EZ H www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 2: ...06 010 IB EZ SID C 270 A270 EZLC A270 EZHC 1 8B RUA 906 010 IB EZ SID C 275 A275 EZHC 1 8B RUA 902 010 IB HR ECC C 275 A275 HRJLC 1 8B RUA 908 010 IB K E C 277 A275 KHC 1 8B RUB 901 010 IB U 3L C 270 A270 UHC 1 8B RUA 901 010 IB U 3L C 275 A275 UHC www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 1394...

Page 3: ...ce Design and specifications are subject to change without notice Design and specifications are subject to change without notice Design and specifications are subject to change without notice www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com htt...

Page 4: ...T A270 UHC A270 EZLC A270 EZHC C38 87 012 348 080 CAP CER 0 1 50 F C39 87 A10 576 080 CAP CER 0 01 50 Z YF A270 UHC A270 EZLC A270 EZHC C43 87 A10 576 080 CAP CER 0 01 50 Z YF A275 UHC A275 EZHC C43 87 012 372 080 CAP CER 1000P 2K A275 KHC A275 HRJLC C44 87 010 545 010 CAP E 0 22 50 M SME EXCEPT A270 UHC A270 EZLC A270 EZHC C45 87 012 348 080 CAP CER 0 1 50 F CF1 87 A91 162 010 FLTR PFS450A7 CF2 8...

Page 5: ...or Code Dimensions mm Symbol 1 16W 1005 5 CJ 1 0 0 5 0 35 104 L t W Regarding connectors they are not stocked as they are not the initial order items The connectors are available after they are supplied from connector manufacturers upon the order is received www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 89249829...

Page 6: ...V120V 220V 240V 50 60Hz HRJLC MODEL AC 230V 50Hz KHC EZHC EZLC MODEL SIGNAL A275 MODEL A275 MODEL Q1 Q2 SW8 RADIO BUZZER U2 KA22426D AM FM IF POWER IC U1 LM8562 A275 MODEL LM8560 A270 MODEL DISPLAY CONTROL SW11 110 120V 220 240V HRJLC MODEL w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 37...

Page 7: ...EEP C B E 30 21 20 19 18 17 16 15 13 12 10 9 7 8 6 2 1 3 SW8A SW9A SW9D SW8B SW9B SW9C UP DOWN ALARM SET SNOOZE C4 JW JW JW SELECT JW No Mount No Mount 12 24H 50Hz 50 60Hz 60Hz 12H 24H JW JW MODEL EXCEPT HRJLC MODEL 1 2 2 1 U2 SW8 SW9 SW1 VR1 SW2 ALL MODEL ALL MODEL w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3...

Page 8: ...10HRAG VCC ALM 1 OUT ALM 2 OUT ALM DISP CR OSC RADIO OUTPUT SPEED POWER ON OFF IN SLEEP SNOOZE 50 60 IN RF TIM SET MODE SELECT MS239 A PFS450A7 AM IFT 450 120V 60Hz UHC MODEL 230V 50Hz KHC EZHC MODEL 110V 120V 220 240V 50 60Hz HRJLC MODEL HRJLC MODEL HRJLC MODEL PT U 120V W AC CORD UHC MODEL PT EZ 230V W AC CORD KHC EZHC MODEL PT HL 115 230V W O AC CORD HRJLC MODEL CLOCK SET ALARM SET UP POWER ALR...

Page 9: ...9 18 17 16 15 13 12 10 9 7 8 6 2 1 3 SW8A SW8B UP DOWN ALARM SET SNOOZE C4 JW JW JW 50Hz 60Hz 12H 24H SELECT JW 12 24 No Mount JW 50 60 JW No Mount TC1 TC4 TC3 TC2 U2 BUZZER RADIO STAND BY ON POWER ALARM SW8 SW2 VR1 SW1 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL...

Page 10: ...AGC AFC AGC VOL NF FH DISCRI GND GND VCC RIPPLE FILTER IF GND METER NC FM AM BAND SELECT COLON OUT MIN AF MIN CD MIN SET HOUR SET MIN BG 10MIN MIN 10MIN CD 10MIN BG 10MIN AF HRAF HRCD HRBG 10HRC PM 10HRB AM 10HRAG VSS VDD ALARM OUT ALARM OFF ALARM DISP SLEEP OUT SLEEP INPUT SNOOZE INPUT 50 60 INPUT CR INPUT 50 60 SELECT 12 24 SELECT 120V 60Hz UHC MODEL 230V 50Hz EZLC EZHC MODEL PT U 120V W AC CORD...

Page 11: ...C1815GR 1015GR www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 12: ...10 7MHz 5 FM Frequency Range Adjustment Settings Input point TP1 Test point TP3 Adjustment location TC3 L3 TC3 109MHz EXCEPT EZHC MODEL TC3 108 3MHz EZHC MODEL L3 87MHz EXCEPT EZHC MODEL L3 87 4MHz EZHC MODEL 6 FM Tracking Adjustment Settings Input point TP1 Test point TP3 Adjustment location TC2 L2 TC2 106MHz L2 90 MHz Test point TP3 TP3 SP SP 3 4 5 6 L5 L3 L6 Input point TP1 Input point TP2 TP2 ...

Page 13: ... T2 T2 10 7MHz 5 FM Frequency Range Adjustment Settings Input point TP1 Test point TP3 Adjustment location TC3 L3 TC3 109MHz UHC MODEL TC3 108 3MHz EZLC EZHC MODEL L3 87MHz UHC MODEL L3 87 4MHz EZLC EZHC MODEL 6 FM Tracking Adjustment Settings Input point TP1 Test point TP3 Adjustment location TC2 L2 TC2 106MHz L2 90MHz Test point TP3 SP SP 3 4 5 6 L5 L3 L6 Input point TP1 Input point TP2 TP2 R8 T...

Page 14: ...w xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 15: ...CTION 1 1 GRID ASSIGNMENT ANODE CONNECTION www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 16: ...EM CLOCKS RESET RESET RESET STANDBY DET SET CK DIMMER SET CK U D U D RESET RESET SET CK U D SETCK S RESET S U D S PWR UP DISPLAY CONTROL RESET CONTROL INPUT CONTROL SEO DISP T DISP AL1 DISP AL2 DISP SL DISP ALM1 OUTPUT ALM2 OUTPUT RADIO OUTPUT RT SET 50 60 SELECT 12 24 SELECT OSC CONTROL OUTPUT CONTROL SLEEP CTR TIME MIN CTR TIME HR CTR COMPARATOR ALARM HR CTR ALARM MIN CTR SEC CTR GATE 1 2 1Hz 2H...

Page 17: ...CD 14 16 15 A C D 12 B E B E SH SW SH SW F D B B WIRE FM ANT BLK w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 18: ...2 010 HLDR LED 13 87 A91 017 010 PLUG CONVERSION JT 0476 FR A275 HRJLC 14 8B RUA 603 010 COIL AM ANT 15 8B RUA 101 010 HLDR BER ANT 16 8B RUA 102 010 COVER POWER CORD 17 8B RUA 613 010 SPKR 57 8OHM 0 5W 18 8B RUA 615 010 PT EZ 230V W AC CORD EXCEPT FR A275 UHC FR A275 HRJLC FR A270 UHC 18 8B RUA 616 010 PT HL 115 230V W O ACCORD FR A275 HRJLC 18 8B RUA 614 010 PT U 120V W AC CORD FR A275 UHC FR A2...

Page 19: ...te Y Yellow YT Transparent Yellow LM Metallic Blue LL Light Blue GT Transparent Green LD Dark Blue DT Transparent Orange GM Metallic Green YM Metallic Yellow DM Metallic Orange PT Transparent Pink LA Aqua Blue GL Light Green www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892...

Page 20: ...27 3111 H251941 Printed in Singapore www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

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