Sharp LC-20B4M Service Manual Page 73
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Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code
73
LC-20B4M
DUNTKB768FE09 (LC-20B4M)
DUNTKB768FE12 (LC-20B4M(X))
TUNER UNIT (Continued)
D3706 VHDSFPB74//2EY J Diode AD
D3707 VHDSFPB74//2EY J Diode AD
D3709 VHDDAN222//-1Y J Diode AA
D3710 VHD1SS250//1EY J Diode AB
D3711 VHDDAN222//-1Y J Diode AA
PACKAGED CIRCUITS
X3301 RCRSB0307CEZZ J Crystal AG
COILS
L3201 VP-1M220J2R9NY J Peaking 22µH AB
L3202 RCiLPA142WJZZ J Coil AD
L3301 VP-1M101J7R7NY J Peaking 100µH AC
L3302 VP-1M4R7J1R2NY J Peaking 4.7µH AB
L3500 VP-1M101J7R7NY J Peaking 100µH AC
L3701 RCiLPA026WJZZ J Coil AD
L3702 RCiLPA144WJZZY J Coil AD
L3703 RCiLPA143WJZZY J Coil AD
L3704 RCiLPA026WJZZ J Coil AD
TRANSFORMER
å T3701 RTRNWA090WJZZY J Transformer AH
CONTROL
R3714 RVR-M0111CEZZY J 1k(B) B+Adj. AC
CAPACITORS
C3024 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3201 VCKYCY1HB102KY J 1000p 50V Ceramic AA
C3202 VCCCCY1HH330JY J 33p 50V Ceramic AA
C3203 VCCCCY1HH330JY J 33p 50V Ceramic AA
C3205 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3206 VCKYCY1HF103ZY J 0.01 50V Ceramic AA
C3208 RC-EZA085WJZZ J 3300 10V Electrolytic AE
C3209 RC-EZA128WJZZY J 1 50V Electrolytic AB
C3210 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3211 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3301 VCKYCY1HB392KY J 3900p 50V Ceramic AA
C3302 VCKYCY1HB392KY J 3900p 50V Ceramic AA
C3303 VCKYCY1EB822KY J 8200p 25V Ceramic AA
C3304 VCKYCY1HB392KY J 3900p 50V Ceramic AA
C3305 VCKYCY1HB392KY J 3900p 50V Ceramic AA
C3306 VCKYCY1HB822KY J 8200p 50V Ceramic AB
C3307 VCEASH1CN337MY J 330 16V Electrolytic AE
C3308 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3309 VCKYCY1HB682KY J 6800p 50V Ceramic AA
C3310 VCKYCY1HB682KY J 6800p 50V Ceramic AA
C3311 VCKYCY1EB153KY J 0.015 25V Ceramic AA
C3312 VCKYCY1EB153KY J 0.015 25V Ceramic AA
C3313 VCKYCY1HB682KY J 6800p 50V Ceramic AA
C3314 VCKYCY1HB682KY J 6800p 50V Ceramic AA
C3315 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3316 VCKYCY1CB273KY J 0.027 16V Ceramic AB
C3317 VCKYCY1CB273KY J 0.027 16V Ceramic AB
C3318 VCKYCY1CB273KY J 0.027 16V Ceramic AB
C3319 VCKYCY1CB273KY J 0.027 16V Ceramic AB
C3320 RC-EZA126WJZZY J 47 16V Electrolytic AC
C3321 RC-EZA129WJZZY J 2.2 50V Electrolytic AB
C3322 RC-EZA129WJZZY J 2.2 50V Electrolytic AB
C3323 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3324 RC-EZA129WJZZY J 2.2 50V Electrolytic AB
C3325 RC-EZA129WJZZY J 2.2 50V Electrolytic AB
C3328 RC-EZA129WJZZY J 2.2 50V Electrolytic AB
C3329 RC-EZA129WJZZY J 2.2 50V Electrolytic AB
C3330 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3332 RC-EZA127WJZZY J 100 16V Electrolytic AC
C3333 RC-EZA127WJZZY J 100 16V Electrolytic AC
C3334 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3335 VCKYCY1HB222KY J 2200p 50V Ceramic AA
C3336 VCKYCY1HB222KY J 2200p 50V Ceramic AA
C3337 RC-KZA041WJZZY J 10 10V Ceramic AC
C3338 RC-KZA041WJZZY J 10 10V Ceramic AC
C3339 RC-EZA130WJZZY J 3.3 50V Electrolytic AB
C3340 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3341 VCCCCY1HH101JY J 100p 50V Ceramic AA
C3342 VCCCCY1HH101JY J 100p 50V Ceramic AA
C3343 VCKYCY1HB102KY J 1000p 50V Ceramic AA
C3344 VCKYCY1HB102KY J 1000p 50V Ceramic AA
C3345 VCKYCY1HB102KY J 1000p 50V Ceramic AA
C3346 VCKYCY1HB102KY J 1000p 50V Ceramic AA
C3349 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3350 RC-KZA041WJZZY J 10 10V Ceramic AC
C3351 RC-KZ1025CEZZY J 1 10V Ceramic AB
C3352 RC-EZA127WJZZY J 100 16V Electrolytic AC
C3354 VCCCCY1HH560JY J 56p 50V Ceramic AB
C3355 VCCCCY1HH560JY J 56p 50V Ceramic AB
C3356 VCCCCY1HH560JY J 56p 50V Ceramic AB
C3357 VCCCCY1HH5R0CY J 5p 50V Ceramic AA
C3358 VCCCCY1HH5R0CY J 5p 50V Ceramic AA
C3359 RC-KZA041WJZZY J 10 10V Ceramic AC
C3360 RC-EZA127WJZZY J 100 16V Electrolytic AC
C3361 RC-EZA128WJZZY J 1 50V Electrolytic AB
C3362 VCKYCY1HB102KY J 1000p 50V Ceramic AA
C3363 RC-EZA129WJZZY J 2.2 50V Electrolytic AB
C3364 RC-EZA128WJZZY J 1 50V Electrolytic AB
C3365 VCKYCY1HB102KY J 1000p 50V Ceramic AA
C3366 RC-EZA129WJZZY J 2.2 50V Electrolytic AB
C3367 RC-KZA041WJZZY J 10 10V Ceramic AC
C3368 RC-EZA124WJZZY J 10 16V Electrolytic AB
C3369 RC-EZ1274CEZZ J 1000 16V Electrolytic AD
C3370 VCKYTV1CF105ZY J 1 16V Ceramic AB
C3372 RC-EZ1274CEZZ J 1000 16V Electrolytic AD
C3382 VCKYTV1CF105ZY J 1 16V Ceramic AB
C3389 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3401 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3402 RC-KZA041WJZZY J 10 10V Ceramic AC
C3403 RC-KZA041WJZZY J 10 10V Ceramic AC
C3404 RC-KZA041WJZZY J 10 10V Ceramic AC
C3405 RC-KZA041WJZZY J 10 10V Ceramic AC
C3406 RC-KZA041WJZZY J 10 10V Ceramic AC
C3501 RC-KZA030WJZZY J 2.2 10V Ceramic AB
C3502 RC-KZA030WJZZY J 2.2 10V Ceramic AB
C3503 RC-KZ1025CEZZY J 1 10V Ceramic AB
C3509 RC-EZA127WJZZY J 100 16V Electrolytic AC
C3510 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3511 VCKYCY1HB391KY J 390p 50V Ceramic AA
C3512 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3513 VCEASH1CN477MY J 470 16V Electrolytic AD
C3514 RC-EZA197WJZZY J 33 6.3V Electrolytic AC
C3515 RC-EZA122WJZZY J 22 6.3V Electrolytic AB
C3516 RC-KZ1025CEZZY J 1 10V Ceramic AB
C3517 VCKYCY1EB223KY J 0.022 25V Ceramic AA
C3518 VCKYCY1EB223KY J 0.022 25V Ceramic AA
C3520 RC-EZA140WJZZY J 4.7 25V Electrolytic AB
C3521 RC-EZA140WJZZY J 4.7 25V Electrolytic AB
C3522 RC-EZA124WJZZY J 10 16V Electrolytic AB
C3601 RC-KZ0072TAZZY J 1 25V Ceramic AC
C3602 RC-KZ0072TAZZY J 1 25V Ceramic AC
C3603 RC-KZ0072TAZZY J 1 25V Ceramic AC
C3604 RC-KZ0072TAZZY J 1 25V Ceramic AC
C3605 RC-KZ0072TAZZY J 1 25V Ceramic AC
C3606 RC-KZ0072TAZZY J 1 25V Ceramic AC
C3607 RC-KZ0072TAZZY J 1 25V Ceramic AC
C3608 RC-KZ0072TAZZY J 1 25V Ceramic AC
C3609 RC-KZ0072TAZZY J 1 25V Ceramic AC
C3610 RC-KZ0072TAZZY J 1 25V Ceramic AC
C3702 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3703 RC-KZ1025CEZZY J 1 10V Ceramic AB
C3705 VCKYCY1EB103KY J 0.01 25V Ceramic AA
C3706 VCKYCY1EF104ZY J 0.1 25V Ceramic AA
C3708 RC-KZA002WJZZY J 4.7 16V Ceramic AC
C3709 RC-KZA002WJZZY J 4.7 16V Ceramic AC
C3710 VCCCCY1HH471JY J 470p 50V Ceramic AA
C3711 VCKYCY1HB562KY J 5600p 50V Ceramic AA
C3712 RC-KZ1025CEZZY J 1 10V Ceramic AB
C3713 VCAAPD1CJ396MY J 39 16V Electrolytic AF
- LC-20B4M 1
- SPECIFICATIONS 4
- OPERATION MANUAL 5
- DIMENSIONS 7
- Preparation for Adjustments 12
- 1. Adjustment Procedure 12
- 4. Initialization 12
- 5. Adjustment 13
- 6. Lamp error detection 15
- 7. Public mode 16
- Count-down started from 5 17
- TROUBLE SHOOTING TABLE 18
- (Continued) 19
- CHASSIS LAYOUT 22
- INVERTER-A Unit 23
- INVERTER-B Unit 23
- BLOCK DIAGRAM 24
- OVERALL WIRING DIAGRAM 26
- IMPORTANT SAFETY NOTICE: 28
- SCHEMATIC DIAGRAM 29
- R/C, LED and OPERATION Unit 29
- MAIN Unit-1/7 30
- MAIN Unit-2/7 32
- MAIN Unit-3/7 34
- MAIN Unit-4/7 36
- MAIN Unit-5/7 38
- MAIN Unit-6/7 40
- MAIN Unit-7/7 42
- TUNER Unit-1/4 (LC-20B4M) 44
- TUNER Unit-1/4 (LC-20B4M(X)) 46
- TUNER Unit-2/4 48
- TUNER Unit-3/4 50
- TUNER Unit-4/4 52
- MAIN Unit (Side-A) 56
- MAIN Unit (Chip Parts Side-A) 57
- MAIN Unit (Side-B) 58
- TUNER Unit (Side-A) 61
- INVERTER-A Unit (Side-A) 64
- INVERTER-B Unit (Side-A) 66
- PARTS LIST 68
- DUNTKB750FE06 69
- DUNTKB768FE09 (LC-20B4M) 73
- DUNTKB768FE12 (LC-20B4M(X)) 73
- TUNER UNIT (Continued) 73
- DUNTKB590DE02 77
- DUNTKB591DE02 77
- CABINET PARTS LOCATION 78
- CABINET AND MECHANICAL PARTS 79
- ACCESSORIES 80
- SERVICE JIGS 80
- PACKING PARTS 80
- PACKING OF THE SET 81
- Design : Japan 82
- Production : Japan 82
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