service manual zenith eee sms2049 tv
DESCRIPTION
diagramaTRANSCRIPT
-
1.c INPUTLOW
CJr-10W
11.3V
CR340033.0"
SEE IC6000PIN 38PAGE ;A--
R3401S6K CR3404
v
C3409
~56~5XNCR3412l.J499
-110V :.:: /'"
I~. VR32093.3 CR3200
~ CR3201r i!, PART o::,1!:tI:lX3200';!"
...m"",,d:,
C3207560pF-j!-500V
I!.TAKEN FROt.A COt.AIoION
TIE POINTV
I/OLTACESTAKENWrrH SIGNAL
ADDmONALSCHEt.AATICNOTES.SEE PACE 1B
A PHOTOFACTSTANDARDNOTATIONSCHEt.AATIC
WITHIOjI;o!llI~0-" w.- ..ea,tH6
C9803100.F
Paga2 SEr 3531 E
NC4M'" 5
IJOVSOURCE
RJ4031000
11.3VSOURCE
S,rNSOURCE
2C5o()o10
L5500mn.1.5 111SOVSOURCE
5C2o1
l.J205
.- ~@'CE
C321947.F
;.12.OVSOURCECR3413 C3212
470.F
11.8VSOURCE
NC4M'" 2
~. :ti:,CX804168J4"
R3427JJO
NC
4M4
R3422~CR220610K? 9.IV3W
',-8.7VSOURCE
R342839
1JOV
R220651
m
..9.OVSOURCE
8.9VSOURCE
C321847D.F
4.8VSOURCE
fH1
-
1....
RC026T 060251S1K; .0033T
(.1)+
C1211.001
-i~,21"iR1213R12171Rl'-70 24Q0] R121691~ , 22r- l 2 -'- l R1231
I
';'2111 C12hl C1230 33.01. .001,L-
-~2.2Jf
R6017lOCO
R12HI27K
('OO) ,,R1220!
38Kf,'*'
r ~I1
,
!~!I [~::A--T.J ~~~;O--IC1205
~~F' ~7pFNl50Cl221~~
t",C6026 .J..
470pFi'*'
5.2V 2./N
4.6V
Q1201N.tP1O:OV
r n-,, R1298': (W60):I 100 '
6.9V
SEE IC6000PIN 4QPAGE 1, A&B C1200
4.7Jf
TA8878NVIDEO PROCESSOR
2.5V 6.5V31 491
8.9V C1218.1R1218
1~~~"L5OO
C121888pF
PART OF' TA3879NlC'200 VIDEO PROCES!:)R
4.7
C1206
.01
NPOr ,,1
,, I'L1202 I,-,
R12099100
4.6V C1222
.01
,,--
8.9VL_n
6.5V50
~~2200 VI~~ AMP3'JV~ ~7. R22055.6V ' 1000R12~tfs~ ,j ,(220) 9.OVIF AGC RANGE
5.5V TO 7.7V ~~' 20VQ'202AMP 10,.. SEE IC6000PIN 32 .5.OV 5.6V TAKENWTHBAR PAGE1.ME
SWEEP GE'~ERATOR
SEE ICeoooPIN J4PAGE lA
R,
R122747K
R222847K
SYNC
r-~-----------------------I h Jl ~~ h 15.6V Ir-- r-- r-- b.7V 11 I ,,~ cq
r---:d6.3V
~- 391
C2209 ~,2.2Jf .-1
~ -~9. r;2203"G2203 J. ...33:::: ~.022 Icno~
~2.'i..
-
"'l'.~._. ,. .-
0801 AUDIO OUT
R1209al00
~ C8001,"
.017', ", ''7,: R801, IJK
,- L120J:i J
R80210 :
I... R805100~.* t!\~ l
1.7'1
R2214
11800
C80J )
?KSPI
II.rsvI220# 4r : 8Z: T8aa---, JP99
'JJ'::~?]II~..!-~'1. r-"Nr- -,C80~ , -----.0 :..---------
4P4T 1
R22131300
02201 AMP1.1V
C22101oF
1879N)[0 PROCES::JR 4.7'1'1
RI224 C1218 0800 AlJDIO AMP1000 .22 .7'1,...:u;
R80J
~ CRWO JR804470
9.OV
-.-.1V C802
470#
R80810
RBOO47K
C221JJ9pf
PART Of TA887aN451J.1V IC1200 VIDEO PROCESSORJ.a.! 140
JSf
9.a.!
I
I
2B8T 1 ISEE09202
IEMITTER
~~~
R22991200
C2297,
.01 C221147pf
"C21044.7oF
SEE IC8000PIN 32 .PACE 1, MB
SEE IC8000PIN 30PACE 1, MB
02205'JRIGHTNESSCONTROL
P22443900
R223947K
~I R2235
C2f~!11.9.OVR222B
47K-w.-
SEE IC8000PIN 24PACE 1, MeB
02204CONTRASTCONTRO..
R2248J900----.-R22831000
---
C2102220pf-11-NPO
I
R2221LI560~
R2289470
R2102 (3aO)12K
I"
R21JJ1;K
C21051000#
24.a.! SEEQ8002BASEPACE.IA
r-------I
C3208.J...18"" CJ204
~lJJ':" 580pf
RJ2101500 L3201
. MAGNET"""
C3221530pf
r ~~ ,, ,: 03200 HORIZ OUT :, --- ,: L3298,
C3206.4725(7,(
10. . 1a.
:.J1
,
R32~t,+
8.11.7o
6o .. o J5 4TX3200
BOTTOM VIEW
.2
A3
~~ L320812V101"8
-
l.'"101'8
R2224 R2223330 1000
(100) (2200)
R~~ 3.~~~~I TRAP(4700)
02210 VIDEO AIoIP!I.OV
SEE IC6000PIN 7PAGE 111
SERVICE
.[:::~rSW5S00"f r."J
SEr POWERR3200 SI.lPPLy
~ PAGE2E130V
2
3
SEE POIVERSUPPLyPACE 2E
CR2218
02212ABL
~R2289
10KSEE POWERSUPPLyPAGE 2E R2290220K
C22164.7jJF
9.0\1
M
~AS
~9.0\1
R2208330 2C5 5C2
"0--04 7
1.4V101'8
R5501RED ORIVE
250
~mR5501120
2C5 5C2-0---0-8 5
R5502BLUE DRIVE
250
~---R!l502120
C!\501680pF
R5510REDBIAS
!looo
C!l502680pF
05501 REDOUT
5.3\' [iJ'7V
!I.OV5C2~62C5!!I
R55141!1KIW
R!\5236800
18,
05500 BLUE OUT
!l.3\' ,[i3ijii
4.9V5C2942C5!7
R5!1121!1K1W
R55246800
16
05502 ~REENOUT ~2C5 5C2 3\' n40V .12 9 C5500 UV I680pF &:2 8I2C5 3
~R!l500 IR!l503I R5!113
~
120 220 I!1KIW
R55226800
R!\511V 18CREENBIAS
!\OOO
2C!I 5C2
~
j
-
R2276f R2274tR2272
2700 2700 2700
19OV
PART OF TA8879Ni.4.4V IC1200 VIDEOPROCESSOR
54138
!217 C2214 022031M
.018 COLORCONTROL. 9.OVR2218 R225110K SEE :C6oooI M" --
R22821000
J.
134!R2233 I02202
TJNT CONTROL10K 47K IR2258
Coo'61I SEEIC6000
PIN 22 R2281.
-
R2211J30
R2210J30
1.7V101'8
R2208J30 2
-
AUDIO I VIDEO INPUT JACK SCHEMATIC
J9800AUDIO IN
.4tQ6 COOI'LEIf
R9800470K
1J.7VL!.
1J.7VL!.
l::. TAKENFROIoICOIol- TIE POINT,J,
J9200VIOEOIN
Me
J920075
NPO
AMP C9802
09801 AU~ R9810 1M 91.2 SEE IC12007.5V I 1000 - ~>-- PIN 6
1~.4V IR9B08
11:100
RiB0710K
11.rN fH~11.OVR9809
100
6
09202 VIDEO AMP09201 VIDEO AMP C9204 R9212
-f'B.iiV"I ~ 1M 1.~~ 9)~ SEE IC12001.2Vr r\-'-' 1 m m 2 f'IN 42
PACE 28R920810K(1:1600)
11:OV
11.OV
9~9
r f1
- 9H6 X-.tR.~>---
-
..,""" ,- "'-, ., """"-"""" '-# ForSAFETYuseoolyequ8't'8lentreplacementpart, ,
separtsUst.
-M- Circuitryootuscdin someversiODS.
--- Circuitryuscdin someversioDS.
-- SEE ICI200PIN 28PACE 2C- SEE ICI200PIN 20PACE 2C
11 Schematic CIRCUITRACEm": Voltage SOUfCetie point.A- Cabling:Heavylinesreduceuseofmultiplelines.
Waveformsandvoltagesaretakenfromground,ootcdotherwise.
Waveformstakenwithtriggeredscopeandcolo]Waveformvoltageis peaktopeak.Timebuis perdivisioo.WaveformsShOWDat10divi
Supplyvoltagesmaintaincdassecoatinput.Voltagesmeasuredwithdigitalmeteranda 100
signal.withcolorbarpattem,applicdtoanteControlsadjustedlornormaloperation.Capacitarsare50voltsor less,5%orgreaterUJ]ElectrolyticcapacitorsareSOvoltsorless,
20%orgreaterunIessnotcd.Resistorsare112Worless,5%orgreaterunIessValuein ( ) uscdinsomeversions.Measurementswithswitchingasshown,unIessRatcdvoltageShOWDonzenerdiodes.
1
- .SEE ICI200PIN 19 'PACE 2C
-.. SEEIC1200PIN 29PACE 2C
SEETUNERDATAPIN 14PACE 1o
IC6001 EEPROM
4.8V
R80281000 SEE0J401
lIASEPACE2E
R80152200
Q1202!TERE2A
4.8V
5.OV ~ ;oSEE ICI200PIN 511C80211 PACE2A.001. -
SEE 022011r lIASEC80JO PACE 2C.001. - r SEE 02202C8031 BASEr SEE 02204 .001T PACE 2CC8032lIASE . -
.001. ~
CII034r ~E02205r SEE 02203 .001T PACE 28CII033 lIASE .-
.001. ~
---,-- SEE022091221 lIASE-~
-+ Oround
"", Chassisground
V Commontiepointb. Tuenfromcommontiepoint
4.8V
C8010.LTUNER
47OpF.PIN 13PACE10
TUNER
. PIN 10. . PACE10IJOV
r SEE TUNER+5VPIN 11PACE1D4.8V
L8090
. .,... ; TUNER. PIN 712.OV
.01.
-
IC1200TA8879N
IC FUNCTIONS
2
3
4
5
7
8
8
10
"
IC2100LA7830
3 4 5 8
OI'TION3
RESE1'4
CNO
T 2EEPRO"IoIATRIX
512 X 8
DECOOERANO
RECISTERF'OR hlEMOR'l'
ADORESS
IC3400STR30130
2 3
IC6001
~T'"