Sharp 21LF-90H (serv.man2) Service Manual ▷ View online
5
21LF-90H
CONTROLS & TERMINALS
REMOTE CONTROL
1
= Stand By
2
= Cursor Up
3
= Cursor Right
4
OK = OK
5
=
Info (Program Menu)
6
0 - 9 = Direct Program
7
-/-- = Double Digit
8
= Wide mode button
9
P/CH+ = Program +
10
+ = Volume +
11
= TV / Quit Menu
12
EXT
= EXT button
(SCART, F- AV, RGB)
13
Yellow = Feature Menu
14
Blue = Installation Menu
15
= Hold
16
= Update
17
= Index Page
18
= Reveal
19
= Expand
20
= Mix
21
= Teletext
22
= Time
23
Red = Sound Menu
24
Green = Picture Menu
25
= Mute
26
I-II = Mono/Stereo - Dual I-II
27
-
= - Volume
28
- P/CH = -Program
29
= Flash back button
30
M = Menu
31
= Cursor Down
32
= Cursor Left
CH
MENU
Speakers (left + right)
= Power On / Off
= Volume -/+
CH = Program -/+
MENU = Menu
VIDEO = VCR
AUDIO L = Audio left
AUDIO R = Audio right
= Headphone 3,6 mm Ø
6
21LF-90H
CHASSIS LAYOUT
Mother Unit
CRT Unit
Headphone Unit
7
21LF-90H
REF No. PARTS DESCRIPTION
SN CODE EX CODE
.
30017634
21" CPT TUBE SAFE EW FREE REALFLAT
BW
CQ
.
30028644
21 DEG COIL&EARTH CB. WO/UL FLAT SHARP
AG
AR
TUNER
TU201 30009637
TUNER WSP (PLL) 38.9 MK2 - BATCH
AR
BC
INTEGRATED CIRCUITS
IC101 30018063
IC HT48RA0A OTP
AF
AR
IC118 30001506
IC TL431
AC
AH
IC301 30011824
IC TDA7266
AF
AR
IC403 30026921
IC STV2247H (SHRINK56)
AR
BC
IC502 30001669
PREAMPLIFIER TFMS1380
AD
AM
IC700 30013658
IC MSP3410G SDIP64
AS
BD
IC800 30011968
IC SMPS MC44608 DIP8
AF
AQ
IC801 30015087
IC SAFE OPTOCOUPLER TCET1102G
AA
AE
IC803 30001500
IC LM7808
AC
AH
IC804 30001622
IC 7805 (1A)
AB
AF
IC806 30014346
IC 78L05 TO-92 (100mA)
AA
AE
TRANSISTORS
Q100 30001453
TR BC337
AA
AC
Q601 30013656
TR POWER STX112-AP
AA
AE
Q804 30001454
TR BC548B
AA
AC
DIODES
D100 30002733
LED INFRARED IR333
AA
AC
D1001 30003722
DIODE ZENER ZPD15V
AA
AA
D1003 30003722
DIODE ZENER ZPD15V
AA
AA
D106 30001377
DIODE ZENER 33V UZT 33B
AB
AF
D407 30001284
DIODE 1N4148 0.15A/100V 0.5A
AA
AB
D505 30001284
DIODE 1N4148 0.15A/100V 0.5A
AA
AB
D506 30001284
DIODE 1N4148 0.15A/100V 0.5A
AA
AB
D509 30001279
LED RED/GREEN LTL293SJ
AC
AH
D602 30001329
DIODE 1N4007 1A/1000V 30A
AA
AB
D608 30001318
DIODE BA159 1A/800V 20A
AA
AB
D609 30001318
DIODE BA159 1A/800V 20A
AA
AB
D610 30001318
DIODE BA159 1A/800V 20A
AA
AB
D614 30001318
DIODE BA159 1A/800V 20A
AA
AB
D620 30001349
DIODE ZENER 11V
AA
AB
D701 30001369
DIODE ZENER 3.6V ZPD
AA
AB
D800 30001318
DIODE BA159 1A/800V 20A
AA
AB
D801 30001347
DIODE ZENER 8.2V
AA
AB
D802 30001318
DIODE BA159 1A/800V 20A
AA
AB
D803 30001315
DIODE BYD33D 1A/200V 20A
AA
AE
D804 30001318
DIODE BA159 1A/800V 20A
AA
AB
D805 30009366
DIODE UF5402 3A/200V 150A
AB
AF
D806 30001315
DIODE BYD33D 1A/200V 20A
AA
AE
D808 30007681
DIODE UF5407 3A/800V 150A
AB
AF
PICTURE TUBE
!
!
!
REF No. PARTS DESCRIPTION
SN CODE EX CODE
D809 30001329
DIODE 1N4007 1A/1000V 30A
AA
AB
D811 30001329
DIODE 1N4007 1A/1000V 30A
AA
AB
D813 30001329
DIODE 1N4007 1A/1000V 30A
AA
AB
D837 30001329
DIODE 1N4007 1A/1000V 30A
AA
AB
D838 30001329
DIODE 1N4007 1A/1000V 30A
AA
AB
D889 30001384
TR MCR22-6
AB
AG
D890 30001329
DIODE 1N4007 1A/1000V 30A
AA
AB
D893 30001318
DIODE BA159 1A/800V 20A
AA
AB
D894 30001318
DIODE BA159 1A/800V 20A
AA
AB
D900 30001318
DIODE BA159 1A/800V 20A
AA
AB
D901 30001318
DIODE BA159 1A/800V 20A
AA
AB
D902 30001318
DIODE BA159 1A/800V 20A
AA
AB
D903 30001344
DIODE ZENER 6.2V 1/2W
AA
AB
D904 30001349
DIODE ZENER 11V
AA
AB
D905 30001349
DIODE ZENER 11V
AA
AB
D906 30001349
DIODE ZENER 11V
AA
AB
PACKAGED CIRCUITS
X100 30002852
XTAL REZ 455KHZ
AA
AD
X401 30001749
XTAL 4.433619 MHZ (AK15)
AC
AK
X402 30015592
XTAL 3.579545 (WO/LOAD CAP)
AB
AG
X403 30000074
CAP MKT 100NF 63V J
AA
AC
X501 30002851
XTAL 4MHZ L.C=30PF
AC
AH
X700 30001756
XTAL 18.432MHZ
AE
AP
COILS
L1001 30001996
FIXED COIL 22UH Q40 K
AA
AB
L1002 30001996
FIXED COIL 22UH Q40 K
AA
AB
L101 30013412
FERRITE BEAD (0805) MMZ2012Y152B
AA
AA
L110 30013412
FERRITE BEAD (0805) MMZ2012Y152B
AA
AA
L111 30013412
FERRITE BEAD (0805) MMZ2012Y152B
AA
AA
L112 30013412
FERRITE BEAD (0805) MMZ2012Y152B
AA
AA
L113 30013412
FERRITE BEAD (0805) MMZ2012Y152B
AA
AA
L114 30013412
FERRITE BEAD (0805) MMZ2012Y152B
AA
AA
L201 30001979
FIXED COIL 1UH Q45 M-A
AA
AB
L210 30001971
FERRITE BEAT (805) BLM21A601S
AA
AD
L211 30001971
FERRITE BEAT (805) BLM21A601S
AA
AD
L401 30001971
FERRITE BEAT (805) BLM21A601S
AA
AD
L402 30001992
FIXED COIL 10UH Q65 K-A
AA
AB
L403 30001971
FERRITE BEAT (805) BLM21A601S
AA
AD
L404 30001990
FIXED COIL 6.8UH Q75 K
AA
AB
L405 30014048
ADJ.COIL VIF 44MHZ Q=64 C=39pF
AA
AE
L406 30001971
FERRITE BEAT (805) BLM21A601S
AA
AD
L603 30018501
LINEARITY COIL 100UH
AB
AG
L700 30001971
FERRITE BEAT (805) BLM21A601S
AA
AD
L701 30001971
FERRITE BEAT (805) BLM21A601S
AA
AD
L702 30001996
FIXED COIL 22UH Q40 K
AA
AB
L703 30001979
FIXED COIL 1UH Q45 M-A
AA
AB
L704 30001979
FIXED COIL 1UH Q45 M-A
AA
AB
L802 30001971
FERRITE BEAT (805) BLM21A601S
AA
AD
L803 30000580
RES CF 1/4W 22R J
AA
AB
L805 30001971
FERRITE BEAT (805) BLM21A601S
AA
AD
L806 30001971
FERRITE BEAT (805) BLM21A601S
AA
AD
L807 30001992
FIXED COIL 10UH Q65 K-A
AA
AB
CERAMIC FILTERS
Z401 30013163
FILTER SAW K9356
AK
AV
Z402 30014261
FILTER SAW K3958M
AF
AR
Z404 30001724
FILTER SER TRAP TPS 5.5MHZ
AB
AF
TRANSFORMERS
TR601 30017788
TRF FBT SAFE 90ø (AK30,AK36 LAYER TYPE)
AT
BE
TR801 30002100
LINE FILTER SAFE 2*27MH
AC
AH
TR802 30027707
TRF SMPS AK44 RF (170-270V) Audio=14V
AF
AQ
CAPACITORS
C100 30000352
CAP EL 100UF 16V M
AA
AB
!
!
!
PARTS LISTING
REPLACEMENT PARTS
Replacement parts which have special safety characteristics are identified in
this manual. Electrical components having such features are identified by
in the Replacement Parts Listing.
The use of a substitute replacement part which does not have the same safety
characteristics as the factory recommended is not permitted.
Replacement parts not shown in this service manual may create shock fire, or
other hazards.
this manual. Electrical components having such features are identified by
in the Replacement Parts Listing.
The use of a substitute replacement part which does not have the same safety
characteristics as the factory recommended is not permitted.
Replacement parts not shown in this service manual may create shock fire, or
other hazards.
HOW TO ORDER REPLACEMENT PARTS
To have your order completed promptly and correctly please supply the follow-
ing information.
ing information.
1. MODEL NUMBER
2. REF. NO.
3. PART NO.
(*)
4. DESCRIPTION
5. CODE
6. QUANTITY
(*) When ordering any part, a “V” should be added before the Part No.
(*)
8
21LF-90H
REF No. PARTS DESCRIPTION
SN CODE EX CODE
C201 30000400
CAP EL 47UF 50V M
AA
AB
C205 30000371
CAP EL 22UF 50V M
AA
AB
C300 30000400
CAP EL 47UF 50V M
AA
AB
C302 30000092
CAP MKT 220NF 63V J
AA
AD
C305 30000092
CAP MKT 220NF 63V J
AA
AD
C404 30000225
CAP CER 220PF 50V J SL
AA
AB
C409 30000345
CAP EL 10UF 50V M
AA
AB
C410 30000384
CAP EL 2.2UF 50V M
AA
AB
C411 30000345
CAP EL 10UF 50V M
AA
AB
C413 30000362
CAP EL 1UF 50V M
AA
AB
C416 30000362
CAP EL 1UF 50V M
AA
AB
C417 30000362
CAP EL 1UF 50V M
AA
AB
C419 30000413
CAP EL 4.7UF 50V M
AA
AB
C420 30000100
CAP MKT 330NF 63V J
AA
AD
C422 30000400
CAP EL 47UF 50V M
AA
AB
C423 30000400
CAP EL 47UF 50V M
AA
AB
C424 30000345
CAP EL 10UF 50V M
AA
AB
C431 30000362
CAP EL 1UF 50V M
AA
AB
C433 30000345
CAP EL 10UF 50V M
AA
AB
C436 30000109
CAP MKT 470NF 63V J
AA
AD
C440 30000074
CAP MKT 100NF 63V J
AA
AC
C442 30000362
CAP EL 1UF 50V M
AA
AB
C443 30000362
CAP EL 1UF 50V M
AA
AB
C444 30000384
CAP EL 2.2UF 50V M
AA
AB
C460 30000345
CAP EL 10UF 50V M
AA
AB
C502 30000396
CAP EL 47UF 16V M
AA
AB
C513 30000371
CAP EL 22UF 50V M
AA
AB
C519 30000352
CAP EL 100UF 16V M
AA
AB
C531 30000384
CAP EL 2.2UF 50V M
AA
AB
C536 30000074
CAP MKT 100NF 63V J
AA
AC
C541 30000109
CAP MKT 470NF 63V J
AA
AD
C542 30000205
CAP CER 150PF 50V J SL
AA
AB
C543 30000205
CAP CER 150PF 50V J SL
AA
AB
C603 30000384
CAP EL 2.2UF 50V M
AA
AB
C604 30000400
CAP EL 47UF 50V M
AA
AB
C608 30000107
CAP MKT 47NF 250V J
AA
AD
C610 30018901
CAP EL 100UF 50V M 105°
AA
AB
C611 30000092
CAP MKT 220NF 63V J
AA
AD
C613 30000078
CAP MKT 1UF 100V M
AB
AF
C615 30000359
CAP EL 1000UF 16V M
AA
AC
C616 30000400
CAP EL 47UF 50V M
AA
AB
C618 30000134
CAP MKP SAFE 11NF 2000V %3.5
AC
AH
C619 30000131
CAP MKP SAFE 100NF 250V J
AA
AB
C624 30000350
CAP EL 10UF 250V M
AA
AD
C627 30006750
CAP MKP 220NF 400V J
AA
AD
C628 30018380
CAP EL 3.3UF 160V M 105°
AA
AB
C631 30000410
CAP EL 470UF 50V M
AB
AF
C632 30000100
CAP MKT 330NF 63V J
AA
AD
C634 30000409
CAP EL 470UF 25V M
AA
AD
C635 30000100
CAP MKT 330NF 63V J
AA
AD
C636 30000400
CAP EL 47UF 50V M
AA
AB
C641 30000345
CAP EL 10UF 50V M
AA
AB
C643 30000116
CAP MKT 68NF 63V J
AA
AC
C644 30000362
CAP EL 1UF 50V M
AA
AB
C705 30000345
CAP EL 10UF 50V M
AA
AB
C706 30000345
CAP EL 10UF 50V M
AA
AB
C712 30000345
CAP EL 10UF 50V M
AA
AB
C720 30000345
CAP EL 10UF 50V M
AA
AB
C724 30000345
CAP EL 10UF 50V M
AA
AB
C730 30000393
CAP EL 3.3UF 50V M
AA
AB
C733 30000345
CAP EL 10UF 50V M
AA
AB
C734 30000345
CAP EL 10UF 50V M
AA
AB
C736 30000345
CAP EL 10UF 50V M
AA
AB
C737 30000371
CAP EL 22UF 50V M
AA
AB
C738 30000371
CAP EL 22UF 50V M
AA
AB
C801 30000094
CAP MKT SAFE 220NF 275V M AC
AA
AB
!
!
!
REF No. PARTS DESCRIPTION
SN CODE EX CODE
C802 30000094
CAP MKT SAFE 220NF 275V M AC
AA
AB
C803 30000433
CAP CER 1NF 1KV M B
AA
AB
C805 30018085
CAP VAR SAFE 510V K MFCN14D511
AA
AD
C806 30000433
CAP CER 1NF 1KV M B
AA
AB
C808 30000295
CAP CER 100NF 50V Z F
AA
AB
C809 30000420
CAP EL 150UF 400V M
AF
AQ
C810 30000400
CAP EL 47UF 50V M
AA
AB
C811 30000161
CAP MKP SAFE 47NF 630V J
AB
AE
C813 30000295
CAP CER 100NF 50V Z F
AA
AB
C816 30000440
CAP CER SAFE 2.2NF 4KV M
AA
AC
C817 30000198
CAP CER 120PF 500V J SL
AA
AB
C822 30007308
CAP CER 220PF 1KV K (PULSE)
AA
AD
C824 30009208
CAP CER 470PF 1KV K (PULSE)
AA
AC
C827 30000411
CAP EL 4700UF 16V M
AC
AH
C828 30000295
CAP CER 100NF 50V Z F
AA
AB
C829 30000359
CAP EL 1000UF 16V M
AA
AC
C830 30000382
CAP EL 2200UF 16V M
AB
AF
C832 30000295
CAP CER 100NF 50V Z F
AA
AB
C833 30000407
CAP EL 470UF 16V M
AA
AC
C834 30000295
CAP CER 100NF 50V Z F
AA
AB
C836 30000431
CAP CER 100PF 1KV M
AA
AC
C838 30000352
CAP EL 100UF 16V M
AA
AB
C839 30000352
CAP EL 100UF 16V M
AA
AB
C840 30000352
CAP EL 100UF 16V M
AA
AB
C843 30000431
CAP CER 100PF 1KV M
AA
AC
C848 30000352
CAP EL 100UF 16V M
AA
AB
C849 30000352
CAP EL 100UF 16V M
AA
AB
C850 30000352
CAP EL 100UF 16V M
AA
AB
C855 30000407
CAP EL 470UF 16V M
AA
AC
C859 30013533
CAP CER 100PF 1KV K (PULSE)
AA
AC
C862 30000367
CAP EL 1UF 250V M
AA
AB
C864 30000440
CAP CER SAFE 2.2NF 4KV M
AA
AC
C907 30000434
CAP CER 1NF 2KV K B
AA
AB
C908 30000415
CAP EL 4.7UF 250V M
AA
AC
C912 30000075
CAP MKT 100NF 250V K (DC)
AA
AD
RESISTORS
R1001 30000492
RES CF 1/4W 120R J
AA
AB
R1002 30000492
RES CF 1/4W 120R J
AA
AB
R105 30000792
RES CF 1/4W 75R J
AA
AB
R127 30000459
RES CF 1/4W 100R J
AA
AB
R204 30000459
RES CF 1/4W 100R J
AA
AB
R206 30000459
RES CF 1/4W 100R J
AA
AB
R301 30000471
RES CF 1/4W 10K J
AA
AB
R302 30000471
RES CF 1/4W 10K J
AA
AB
R420 30000466
RES CF 1/4W 1K J
AA
AB
R424 30000712
RES CF 1/4W 470R J
AA
AB
R428 30000792
RES CF 1/4W 75R J
AA
AB
R437 30000466
RES CF 1/4W 1K J
AA
AB
R438 30000466
RES CF 1/4W 1K J
AA
AB
R442 30000466
RES CF 1/4W 1K J
AA
AB
R450 30000712
RES CF 1/4W 470R J
AA
AB
R469 30000670
RES CF 1/4W 330K J
AA
AB
R507 30000466
RES CF 1/4W 1K J
AA
AB
R508 30000622
RES CF 1/4W 270R J
AA
AB
R510 30000737
RES CF 1/4W 5.1K J
AA
AB
R513 30000459
RES CF 1/4W 100R J
AA
AB
R514 30000459
RES CF 1/4W 100R J
AA
AB
R518 30000471
RES CF 1/4W 10K J
AA
AB
R525 30000583
RES CF 1/4W 220R J
AA
AB
R527 30000718
RES CF 1/4W 4.7K J
AA
AB
R534 30000526
RES CF 1/4W 1.5K J
AA
AB
R535 30000718
RES CF 1/4W 4.7K J
AA
AB
R536 30000471
RES CF 1/4W 10K J
AA
AB
R546 30000560
RES CF 1/4W 1.8K J
AA
AB
R559 30000470
RES CF 1/2W 10K J
AA
AA
!
!
!
!
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