7
SEE RY101 PAGE2G - 22 BPl TO TUNER BTL TO TUNER vs TOTUNER C003 470¡.oF 13.IN SCHEMATIC NOTES -- Circuitry not uHd in oomo .oroiono. - --. Circuitry - in oomo ..roiono. + Ground "¡,, Chaooio ground V Common tIe point .o. Token from common tio point . Schemotic 0."'""0':"'''''''' Voltogoaource tIe point. A - Cobllng:Heavy linea reduce u.. of multlple lin... Waveforme ond -9" ore token from ground, unl.. otherwi8e noted. Waveforme token with tri9gered ocopo and cok>rbar oie Waveform wltage io peak to peak. l1meba.. ' io por diYiolon. W0Y8formo ohown at 10 cfiYf8lono. Supply wltagn molntained 00 o..n at Input. Voltog.. meaoured with digital metor and a 1OOO¡¡V~ oignol, with colarbar pottem applled to a_no tor Control. adJU8ted for normal oporatlon. Copacitoro are 50 wlte or lo.., 5" or greater unlo.. EIectroIytic copacitoro are 50 wlte or -. 20" or greater unlo.. notad. . R..ietoro are 1/2W or ,..o. 5" ar greater unleu no1 Value In ( ) uHd In 8Omo ..roion.. Mea.uremente with .witching a. .hown unl- noted. Rated YOItage 8hawn on .ener diad... T T 23 24 R122 SEE IC201 2.i,.00 , PIN J4 22 PAGE2C R123 SEE IC20! ' . PIN 33 21 R121 2200 SEE IC201 . PIN 35 23 PACE 2C R120 SEE IC201 1 I PIN 36 24 PAGE 2C R139 SEE 0105 10K BASE , 135 PACE 2A R128 C119 10K 10¡.oF 5.1N R141 CP101 l 1000 i C134! u ) NC 4 1¡.oF IK 5.IN 2SC945 0103 BUFFER "1 R134 r I R136 SEE IC501 1000 1 .' , PIN 5 PAGE2G 'N 5 2SC200 1 0104 SWITCH R137 ERI 41?,O .7V 9V 3 RI38 68K ME NC av 30 12.5V [lE NC OV 29 jCE NC OV 28 BLE NC OV 27 ASS NC OV 26 WlO NC OV 25 " P03 NC '" OV38 P02 NC \ .OV 37 POI NC 5.OV 36 RIJO ¡P°6 10K 5.OV4" R131 F,IN 10K 5.OV 40 R132 lOIN IOK 5.OV 39 I l' R125 r5131 1.0J< R124 rsNJJ r- 10K U 5.IN t IKm 515 R113 2200 ... T 21 T -1 c002 + 0002 220 1ITZJ4.7C 100¡4' 4.7V 13.IN r--- R001 33K . 128V

Orion-1928 TV Schematics

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Orion 1928 Service manual

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Page 1: Orion-1928 TV Schematics

SEE RY101PAGE2G-

22

BPlTO TUNER

BTLTO TUNER

vsTOTUNER

C003470¡.oF

13.IN

SCHEMATIC NOTES

-- Circuitry not uHd in oomo .oroiono.

- --. Circuitry- in oomo ..roiono.+ Ground

"¡,, Chaooio ground

V Common tIe point.o. Token from common tio point. Schemotic 0."'""0':"'''''''' Voltogoaource tIe point.

A- Cobllng:Heavy linea reduce u.. of multlple lin...Waveforme ond -9" ore token from ground, unl..

otherwi8e noted.Waveforme token with tri9gered ocopo and cok>rbar oie

Waveform wltage io peak to peak. l1meba.. 'io por diYiolon. W0Y8formo ohown at 10 cfiYf8lono.

Supply wltagn molntained 00 o..n at Input.Voltog.. meaoured with digital metor and a 1OOO¡¡V~

oignol, with colarbar pottem applled to a_no torControl. adJU8ted for normal oporatlon.Copacitoro are 50 wlte or lo.., 5" or greater unlo..EIectroIytic copacitoro are 50 wlte or -.

20" or greater unlo.. notad. .R..ietoro are 1/2W or ,..o. 5" ar greater unleu no1Value In ( ) uHd In 8Omo ..roion..Mea.uremente with .witching a. .hown unl- noted.Rated YOItage 8hawn on .ener diad...

T T23 24

R122 SEE IC2012.i,.00 , PIN J4

22 PAGE2CR123 SEE IC20!' . PIN 33

21R1212200 SEE IC201. PIN 3523 PACE 2C

R120SEE IC2011

I PIN 3624 PAGE2C

R139 SEE 010510K BASE,135 PACE2AR128 C119

10K 10¡.oF

5.1NR141 CP101

l1000

i C134!

u ) NC4

1¡.oFIK

5.IN

2SC9450103 BUFFER

"1

R134

rI R136

SEE IC5011000 1.' , PIN 5

PAGE2G'N 5

2SC200 10104 SWITCH

R137

ERI41?,O .7V

9V 3RI38

68K

ME NCav 30

12.5V[lE NCOV 29jCE NCOV 28

BLE NCOV 27

ASS NCOV 26

WlO NCOV 25 "

P03 NC '"OV38

P02 NC

\.OV 37POI NC

5.OV 36

RIJO

¡P°610K

5.OV4"R131

F,IN10K

5.OV 40R132

lOINIOK

5.OV 39 Il' R125

r51311.0J<

R124

rsNJJr-

10K

U5.IN

tIKm515 R113

2200...

T 21 T

-1c002+

0002220 1ITZJ4.7C

100¡4' 4.7V

13.IN

r---R00133K.

128V

Page 2: Orion-1928 TV Schematics

SEE IC201PIN 24PAGE 2A

R1191501< -.15V

-1 R1182700

R116820

5.r:N

PST600C115.r:N IC103 RESET

c. 20101

155132

CI03'4.7pF

RI0810K

5.r:N

-1

D.SEÉ0602EIotITTER~

R114220

CI08

.001¡

SEE IC201PIN 18PAGE 2A

5.r:NSDATO TUNER

5.5V

R14247K

C124

.I¡

-1?eN

5.r:N

81VCCST24C01 FB6

IC102IotElotORY

7llotODE(11EO

A PHOTOFACT STANDARD NOTATION SCHEIotATIC

WITH ...",.".r:rnr.wI

O-.. -.. ea.1811 ~

EI

3 E2

4 VSS

'-t T 18 T17

lage2 SET4192

SDA

SCL

R101560

SW105POWERr

R1122200

5.r:N

3

R110IOK

5.r:N

RI091101

C111IpF

I - II I

: C111 :I IpF I

~ iIi ~

SDA

CP101 t 3R006270

5

CIJO

120pF' ¡5.r:N

6

5.OV

19

REIotOCON

341s.ov

5.OV OECJ027BIC101CPU

KEYI141s.ov

III

C1211.1T

II

+

C121.lpF

SEE IC201PIN 13PACE 2A

R1111000

CP101'V 2SCL

SEE IC201PIN 43PACE 2D

T 20

GP1U291005101 RDI01ERECEIVER

RIJJ

A. .L C123 2' ..- - 3+

SW101CHUP---.¡

-1

SEEIC401 R117PIN7 . 3PAGE28

C1311 RI441 'i' RI46-1000M'"

B.1 ... -

5.r:N

R107 :4700 BBH

6 OV

OSC211 2.JV

OSC!1012.OV

HO20 4.JV

NC SAl' OUT4 OV

NC NTSC7 S.OV

RESET16 S.OV

NC P17B OV

VSS9

AfT13 2.4V

nLTER

c107117 2.JV

.001 ¡

J"18 2.6V

SD

SEE IC201 I:rv

PIN4412 VDD

PACE2C5.OV

-l SDA1 4.9V

ROO7270 SCL

J SCL2 4.9V-

Page 3: Orion-1928 TV Schematics

SET 4192 A, TELEVISION

ADDmONAL SCHEMATJCNOTES, SEE PACE 21'

""" ~ ~'::.'" """""", ,." I"IC201 SIG 39V R30350' 3300

C35210¡¡F

r-ill--,, ICI'3014.5MHz

l'

C35210¡¡F

A PHOTOF'ACT STANDARD NOTATJON SCHEMATJC

WITH ..."'.".~O eo..- C308

47pF" C3041¡¡F 2SC945

Q105 MUTE

SEr IC101163V OVPIN 35~

l3O1

C305

hq.01

R304 ~m-- fi1000, ,,, l3O2,

¡mu~

~

AF"TCP1011' 6

irJTC207.L l

.1¡

R20168

R2061501<

3, SEr IC101PIN 13~.

11' TO2E!.

L202

137.6V ""'4.9V

-1

1113.6V3.6V

104.4V'6

PARTOF" LA76070IC201 SIGNAlPROCESSOR

6.9V 6.9V21 31

3.7V:¡¡¡-

3.5VI 455.2V

12

I 11JNERNOT INClUDEDIIN TIiIS CO'IERAGEN;.C

CPI 01'1' 5

7.6VR210

150

If AGC RANGE5.2V TO 7.5V

ROO4680K

fj~

i tiC209' : .47¡¡F, L201,

¡ J

C205

.022 ¡R212470K

c. N;.CTO~

R00510K ~

COO41¡¡F

C20J

,OI¡

7.6V

-1

10¡¡8R613220K C6211

3.6VhtR4141¡¡F I /1

PART01' LA76070 3300IC20 1 SIGNAlPROCESSOR

O' ,.,,?n I 371:¡', 3.7V 5.5V 4.5V OV .38'I

I 191 2511 - II ';;.:-- ,R402241<.,'"R4JI:2700.

l '1 I

I9.

-1 R409! C410 112K

I 10¡¡8R413!

C427R411680 10¡¡F12K 7.6V --

D404 C411MTZJ12B

1SOpl' ¡12.OV

EC43 1 R422

1T 10Kf C440SEr 0102

'I

lIASE 101'SR4464700Al A2

A \ \-+ .

T T 3 T 41 2

Page 4: Orion-1928 TV Schematics

BSCHEMATIC

C353101'f

R353 r -jJj-,- -,100 I I

C354 2SC1815.0022 Q353 SOUNO OUTPUT

.7V0351 0352

1SS132 1SS132

C353101'f

R3551000

R3548200 R358

180"U,

R361~220t

II

3571.IT

I

,.,

R302220

R6191500

PARTOF LA76070IC201 SIGNAL PROCESSOR

R209390

R6181000

3.4V 142(1500)

R3011000

1.7V¡-

NC

~.ov10¡¿s

2.5V10¡¿s

TAKEN WITH BARSWEEP GENERATOR

7.6V

CP401

IV

"1

T 6 TT 5

C83133pF

C624.01'1---

R6201000

7.6V

R6231000

SEE IC101PIN 18~

¡ ~.3. .4

.5.6

.. .. 710 9 8 .

FB40111BOTTOM VIEW

¿

A3M

~. l7 T 8

C3584701'f 351 SP351

C355 if I PK8Z471'f

C622R35 11'f470

13.4V

Page 5: Orion-1928 TV Schematics

.a....3.6V

TAKEN WITH CHROIotA

BAR SWEEP GENERATOR

R445150K

IX

R421220K

128V

I.IV10,..

PAR!' Of' LA76070IC201 SIGNAL PROCESSOR

3.9V~

C607

.OI¡

0605IIEI

C6'111¡¡F

X601-

3.58MHz !

C60810¡¡F

R62518K

R63510K

7.6V

R60730K

SE[ IC101PIN 21

P~ 2F

C613.1¡¡F

33J.5V

4.7V'j1

3.5'141

C62810¡¡F

SE[ IC101PIN 22~

SE[ IC101PIN 23~

C818

220pF ¡CS17

220pF ¡R609

330

7.8V

7.6V

SEE ICIOIPIN 24~

C818

22OpF¡

38

OV

TELEVISION SCHEM¡

SEE ICIOIPIN 1~

C818

33OpF¡

44'"'üV

2.8V3r 27

7.6V

128V

SE[ ICIOIPIN 2~

C614 C615.1¡¡F .1¡¡F,

34 353.5V 3.5V

5.8V321 141

.2L4.9V

5.IV7.4V221211

C408 R405.3.3¡¡F 1500-C407.047

Page 6: Orion-1928 TV Schematics

~

D SET 4192

'IC contilJed

CN802A---o--2

R8022700

178\1101'8 SE[ FB401

PIN 10~

2

R6342700

C604

47pF ¡ CPII03B O 4

=~

'

-!l-'

r Ri1J

41001

'~.-0803'

CPII03B O 4

18SV

caoe56OpI'

188V

R8164700 ~

~~~

OJA CP603B

C802.ool

¡2kV

188V

C801

r~

r----III

RBOI!

Il1fIL----CPB06

IOJA CP603B<> <>--

3

ADOmONAl SCHEIoIATlCNOTES. SE[ PAGE 2.

"A PHOTOF'ACTSTANDARDNOTATlONSCHEIlATlC

WInI ..m.".1!l.mIWIIO "Co.I-

I

A3M

ll.. A. ..",

--

lL-3.rN CN

3.IV 303.rN

,- ¡-;;R632 47p. ¡2700

CN802A CN802B--o o

C605J. R633' 3 3

47p. ¡2700

CNB02A CN802BC805

r O

1

56OpI'

5

CNB02B ¿4

R8154700

¡CN802A r

251<7330603 BUFrER

1.,V R628

R626! I

470

5600 C632 R62710", (3 ..- 7.6V

7.6V

Page 7: Orion-1928 TV Schematics

-,POWER SUPPLy SCHEMATIC

--~

A'

128VSOURCE

~

B

~ R50810K

COO8100pF

~r ¡ADOmONAL SCHDotAl1C

NOTES. SEE PACE 2F

A PHOTOFACT STANOAAO NOTA110N SCHEIotAl1C

WITH '''''¡.II'~

O-.. -- ..Co..-

R50J3JOK

e,

C1J2470jIF

2SI:N

-12.5VSOURCE

--1

0124UZP-I58

15.011

010J1I1ZJ5.6B

5.6V

C105l000jIF

5.0\1SOURCE

2kV

E'

IJ;O\I R147JJ C420

.001

CP80JA CP80JB188VSOURCED'

25.0\1SOURCE

--1

IJ.4VSOURCE

7.6VSOURCE

.500\1

128V101'8

9.0\1SOURCE

". 1J.O\ISOURCE

-+ 25 T 26 T 27 T 28 '1