Sharp 29RX5, 29RX8 Service Manual

29RX5 29F1X8
L
SX7i329RX5111
28 SYSTEM COLOUR TELEVISION
28
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Chassis
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SP-71
MODELS
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In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used.
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CONTENTS
Page
ELECTRICAL
SPECIFICATIONS
2
IMPOTANT
SERVICE
NOTES
3
'ADJUSTMENT
PRECAUTIONS
4
SERVICE
ADJUSTMENT
12
TROUBLE
SHOOTING
TABLE
25
CHASSIS
LAYOUT
DIAGRAM 35
PRINTED WIRING
BOARD
ASSEMBLIES
37
SCHEMATIC
DIAGRAMS
AND
WAVEFORMS
43
OVERALL
BLOCK
DIAGRAM 67
REPLACEMENT
PARTS
LIST 69
WARNING
The
chassisinthis
receiver is
partially
hot. Use an
isolation transformer between the line
cord plug and
power
receptacle, when
servicing
this
chassis.
To
prevent
electric shock, do
not
remove cover. No user
- serviceable parts inside. Refer
servicingto qualified
service personnel.
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SHARP CORPORATION
ELECTRICAL SPECIFICATIONS
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50/60Hz(
13
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·..··•..·..· ·•••••·•·••··••··•·..···········•·...•••.•.••..•....•••.....•......•....•.•..
185W
~~
···········································I3~~~gjf.
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·················..················
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6.
5MHz······
..····•······ ..································
31.5MHz
6.OMHz···················································.......•..•........•...................... 32.
OMHz
5.
5MHz
..···•· ..··•..··..··· ..··..··········..··················· 32.
5MHz
4.5MHz
..•······················ ....···· ..,··..·..·······..···· .......•..........•.....•............
33.5MHz
-@'~iJ~l&:
PAL/NTSC$J~····················································································33.
57MHz
SECAM$J~·
..···········································································33.594/33.
75MHz
NTSC$J~··························································································34.
42MHz
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..
•••••·••••••••••••..···•••·••••••..••••·•••..•••••••
..·····10Wx
2+13W=33W(Al*)
tmp;~
R -r
10cmrnll~
x 2,R,10cm{iirtlbfIJa
'tl'1II~ll.tt·····
..······•·..·•·························..400Hzlt-tJJ8Q
.400Hz1t-tJJ5Q
({iirtm~H)
;1Cf&~;\.~ll.tt······································
..············································75 Q
~F:ljZ1ti~
~®:~~
PAL-B/G,
SECAM-B/G$J~
il!i:il1Ii~VHF··············································································
..
····E2-E12~~
@il1Ii~UHF·················································
...•............................
E21-E69~~
11Jf&Et!.tl\!.CATV·········..·····································..............................
X-Z+2~~
Sl-S41~~
PAL-D/K,
SECAM-D/K$U~
il!i:il1Ii~VHF·········
..··············································• ..
························R1-R12~~
Cl-C12~~
@il1Ii~UHF·················
..······..···..· ·..······
······
21-69~~
C21-C57~~
PAL-I,SECAM-
I$J~
il!i:il1Ii~VHF··
..······· ·················· ············..........
(~~~):B-J~~
@il1Ii~UHF
..···· ··..·..·········....····· ·
··········
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NTSC-M$J~
il!i:il1Ii~VHF
..·..···..··· ....··..·..········..·····..........·..
·········
..·........
(~OO):2-13~~
(8:$:)
:
1-12~~
@il1Ii~UHF··
..···•..•···..····························· .. ···..··...............
(~OO):14-69~~
(8:$:)
:
13-62~~
1ff&Et!.tl\!.CATV
....·.... ·..
·······
..·· ..········....·......··..·· ....·········
(~OO):A-6-A-1~~
A-W+29~~
(8:$:)
:
C13-C63~~
thru R12,
C1 thru C12
21 thru 69,
C21 thru C57
(IRELAND):
B thru J
(U.K.,H.K.):
21 thru 69
(US):
2 thru 13
(JAPAN):
1 thru 12
..... (US):
14 thru 69
(JAPAN):
13 thru 62
(US):
A-6 thru A-1
A thru W+29
(JAPAN):
C13 thru C63
PAL-D/K, SECAM-D/K
VHF R
NTSC-M
VHF .
PAL-I, SECAM-I
VHF ..
CATV .
Receiving Frequency . 48.25 MHz thru 161.25 MHz
~~~
~~~.::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
: : ::: ::;3~~i:~~~i~~~
~~~:~~
~~~
Power Input AC 110-240V,50/60Hz (Auto) Power Consumption 185W Convergence Self Convergence System Focus Bi-Potential, Uni-Potential Electroslatic Sweep Deflection Magnetic Intermediate Frequency
Picture IF Carrier
y 38.9 MHz
Sound IFCarrier
6.5 MHz 32.4 MHz
6.0 MHz 32.9 MHz
5.5 MHz 33.4 MHz
4.5 MHz 34.4 MHz
Colour Sub-Carrier
PAUNTSC 34.47 MHz SECAM 34.494/34.65 MHz
NTSC 35.32 MHz Audio Power Output Rating 10 W x 2 + 13W total 33W (Max) Speaker
Size 10 em Round x z-pcs., 1OemWoofer Box Voice Coil Impedance 8 ohm at400 Hz, 5 ohm at 400Hz (Woofer Box)
Aeriallnpul
Inpedance 75 ohm Unbalanced
Receiving Channels
PAL-B/G, SECAM-B/G
VHF E2 thru E12
UHF E21 thru E69
CATV
..x thru Z +2,
S1 thru S41
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1~~il!i:il1Ii~VHF""''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''48.
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25MHz
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168.
25MHz-431.
25MHz
@il1li~UHF""""""'""""""""''''''''''''''''''''''''''''''''''''''''
439.
25MHz-863.
25MHz
Specifications are subject to change without notice.
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IMPOTANT SERVICE NOTES
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Maintenance
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service
peronnel
only.
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SERVICING OF HIGH VOLTAGE SYSTEM AND PICTURE TUBE
When servicing the high voltage system, remove static charge from it by connecting a 10k ohm Resistor in series with an insulated wire (such as a test probe) between picture tube dag and 2nd anode lead. (AC line cord ahould be disconnected fromAC outlet.)
1. Picture tube Inthis receiver employs integral implosion protection.
2. Replace with tube of the same type number for continued safety.
3. Do not lift picture tube by the neck.
4. Handle the picture tube only when wearing shatterproofgoggies and after discharging the high voltage completely.
BEFORE RETURNING THE RECEIVER
Before returning the receiver to the user, perform the following safety checks.
1. Inspect all lead dresstomakecertainthattheleadsarenotpinched orthat hardware is not lodged between the chassis and other metalpartsinthe receiver.
2. Inspect all protective device such as non-metallic control knobs, tnsulatinq fishpapers, cabinet
backs,
adjustment
and
compartment
coversorshields,
isolation resistor-
capacity networks, mechanical Insulators etc.
X-RAY
This receiver is designed so that any X-Ray radiation is keptto an absolute minimum. Since certain malfunctions or servicing many produce potentially hazardous radiation with prolonged exposure at close range, the following precautions should be observed:
1. When repairing the circuit, be sure not to increase the high voltage to more than 34.0 kV (at beam
OIlA) for the set.
2. To keep the set in a normal operation, be sure to make it function on 29.0
± 1.5kV (at
beam 1.6
mAl
in the case of the set. The set has been factory-Adjusted to the above mentioned high voltage. ...Ifthere is a possibility that the high voltage fluctuates as a result of repairs, never
forget to check for such high voltage after the work.
3. Do not substitute a picture tube with unauthorized types and/or brands which may cause excess X-Ray radiation.
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ADJUSTMENT PRECAUTIONS
This model's settings are adjusted intwo different ways: through the I'C bus control and in the conventional analog manner. The adjustmentvia I'C bus control include present-only variable data.
1) Calling the service mode by the
microprocessor
G)Make a short-circuit between TP1001 and TP1002, and the microprocessoris put in the service mode (adjust-
ment through the I'C bus control).
® Perss the CH-DOWN key on the remote controller to get ready to select the modes one by one.
@ Perss the CH-UP key on the remote controller to get readyto select the modes in order opposite tothe avove
step
®.
@ Using the VOL UR keys onthe remote controller, the data can be converted.
@Removetheshort-circuitbetweenTP1001
and TP1002, and the microprocessor is put out of the service
mode.
2) Setting the initial (preset) values
G)Call upthe service mode andturn on the main power switch. Anew E'PROM Uudgedbythefirst 4bytes) can
be automatically setto the initial data.
®The
initial data 'ire as shown onpages 8,9,10 and 11.
@ Note that some items of the data must be modified and the others must stay as initial.
NOTE: Afterthe chassis has beenassembled, be sure to call upthe service mode firstand then turn on the
main
power
switch, as discussed in 2-G)above. If the main
power
switch is turned on without the
E'PROM initialized, anexcess beamcurrent may
flow
into
the circuitry.
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SERVICE MODE
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(1) Press the specific keys to change the mode as follows.
In the direction of allow: CH DOWN Key In the opposite direction; CH UP Key
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• The characters in parentheses appear on the on-screen display.
H-SIZE 50Hz V-BIAS
(V-SIZE5) (V-BIAS)
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EW-PAtABOLA
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-+
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SUB-CONTRAST (SUB CON)
+
SUB-BRIGHT (SUB BRI)
+
SUB-COLOUR (SUB COL)
+
SUB-TINT (SUBTIN)
+
SUB-SHARPNESS (SUB SHP)
+
SUB-VOLUME (SUB VOL)
----»
In the direction of allow: CH DOWN Key In the opposite direction; CH UP Key
In the direction of allow: CH DOWN Key In the opposite direction; CH UP Key
-------..BELL
FILTER (SCM BELL)
+
SECAM R-Y(SCM R-Y)
+
SECAM B-Y(SCM B-Y)
+
CHROMA GATE PULSE (SCM GP)
----»
-+I
COLOUR ADJUSTmode
1+
H-COMPENSATION
-+-
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(V-PHS5)
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H-PHASE 50Hz
(H-PHS5)
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Inthe
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11Q'~1JioJ
:
CII-DOWN!!
ffi&:1JioJ
: C!I-UPll!
4
:-iICfu'lJiilJit
~
IGRJiilJiti%:iJZ
(IGR-LVL)
"
IGR$Jit:i'l:f*fS(IGR
ST)
"
~ICAH$Jiti£~-Ji*(N-ERR
~X}
"
NICfu'l$Jiti£~-liiJNN-ERR
:11:1)
"
NICfu\j*Uitfu~IS(N-fu~IS)~
~
~~I!l$;l.1it~
~
---.
BSfilJ1SRTULill.(LEVEL)
+
8~tHzfx~Jl(RS)
"
SRTFU¥.
(RTC)
"
V/C/J
BS(BS)
+
NICA1'I$rJ'i:t~~
Ei
rJJ
(N-AMDIS)
"
~1V~m;.(V-E~H)
J,
~Hg*JmlJl!.lJ1~
(CBPF)
V
It. ;:\iJHHLD)
t
ftft,(CORING)
~I
PIPiJlil~~~
~
--+~
*'¥·{iHl.(H-POS)
J,
ili!1i.{;?''i!(V-POS)
7l<:iJZ/$1[I!!liMJ3t(FR.'-l)
--+
.. t
PIPmtJi!!.iJlil(PIP-TINT)
I!!li~-@.(UFC)
V t
Ifllj
i1E.1tJl*~~
~ilS
(VSI
DLY)
I!!li3l:I3t
(YFC)
t t
Ujl)*
o/M:I~1
~1850Hz
(HSIDLY5)
PLL01'iriJ#~(PLLTC)
V t
I\IIJ
*-
')Zj[,j(
~~
~J860Hz
(HSIOLY6)
NTSC:titjil:>,tJt~18
(YOLYN)
t t
:t
~
KJl*M'
~ilS
(VSPOLY)
PAL:liIJ'i:t3'Mt~JlS
(YOLYP)
I
l>-~tHg~(SELOLY)
11Q'~1JioJ
:
CH-DOWN!!
ffi&:1J
ioJ
:
CH-UP!!
11Q'~1JioJ
:
CH-DOWNll!
ffi&:1J
ioJ
:
CH-UP!!
-1
60HzlllU~~~
f-+
--4>
llHIJIH160Hz(V-AMP6)
...
~J[~ttJt60Ilz(V-LIN6
)
...
IoJ
tJ;f~
iE60llz
(V-SCOR6)
...
~
J[ffi{t[60Hz
(V-PHS6)
...
7l<
If''-l'!3{t[60Hz
(H-PHS6)
+
7l<1fR.'f"60Ilz(H-SIZE6)
~
~
00:10
IRE- 11:40IREBS
00:28
IRE-11:7IRE
SRT
MiN
MAX
0-7
MIN
MAX
0-7 ON/OFF
0/1
ON/OFF
0/
1
MIN
MAX
0-7 ON/OFF
o/1
ON/OFF
0/
1
ON/OFF
o/1
4
NICAM
mode
~
IGR
LEVEL
(IGR-LVL)
"
IGR
STEREO
(IGR
ST)
"
NICAM
ERR-MAX
(N-ERR
MAX)
"
NICAM
ERR-MIN
(N-ERR
MIN)
"
NICAM
AMDIS
(N-AMDIS)-iI>
--.
BSDETSRT
POINT
(LEVEL)
"
8
MHzfRES
PONCE
(RS)
"
SRT
TRAC
(RTC)
"
V/C/JBS(BS)
"
NICAM
ERROR
AUTO
(N-AMIDIS)
"
V-ENHANCEMENT
LEVEL
(V-ENH)
"
COLOUR
BANDPASS
FILTR
(CBPF)
"
1
LINE
DOT
IMPROVEMENT
(LD)
"
CORING
(CORING)
-.I
SPECIAL
PICTURE
mode
~
HN
FRAME
WIDTH
(FRM)
-+
+
FRAME
COLOUR
(UFC)
+
FRAME
LUMINANCE
(YFC)
+
PLL
TIME
CONSTANT
(PLLTC)
+
Y-DELAY
NTSC
(YDLYN)
+
Y-DELAY
PAL
(YDLYP)
L
~
SELECT
PH~SE
(SELDLY)
~
PIP
ADJUST
mOde~
-----.
H-POSITION
(H-POS)
"
V-POSITION
(V-POS)
"
PIPSUBTINT
(PIP-TINT)
"
SUB
V-PULSE
DELAY
(VSIDLY)
"
SUB
H-PULSE
DELAY
50Hz
(HSIDLY5)
"
SUB
H-PULSE
DELAY
60Hz
(HSIDLY6)
"
MAIN
V-PULSE
DELAY
(VSPDL
Y)
Inthe
directionofallow:CHDOWN
Key
Inthe
opposite
direction;
CHUPKey
~
60Hz
ADJUST
mode
~
--.
V-AMP
60Hz
(V-AMP6)
"
V-LINE
60Hz(V-L1N6)
"
S-CORRECT
60Hz(V-SCOR6)
"
V-PHASE
60Hz(V-PHS6)
"
H-PHASE
60Hz(H-PHS6)
"
H-SIZE
60Hz
(V-SIZE6)
-iI>
en
Use the following keys in the service modeto select desired items directly.
1':E{*~iJilj~=!*;~:n::f!l4!t.it1JL
""Ff.l:!!ffi,
!!Pi'iJK~:i2M~FJT~~lJj(
I§I
0
CaNT-UP COL-UP BRI-UP TINT-UP SHP-UP TRBL-UP BASS-UP UBASS-UP SURR-UP BAL-LEFT FINE-UP
CUTOFF V-AMP" V-SCaR"
H-PHS" SCM-BELL SCM-BY SUB-BRI
SUB-VOL TXT-CaNT
PIP H-POS
PIP TINT
CaNT-DOWN COL-DOWN BRI-DOWN TINT-DOWN SHP-DOWN TRBL-DOWN BASS-DOWN UBASS-DOWN : SURR-DOWN BAL-RIGHT FINE-DOWN
EW-PAR
V-LIN"
V-PHS" H-SIZP SCM-RY SUB-CON SUN-TINT S-SYS TXT-BRI PIP
v-ros
OSD-HR
CaNT-UP COL-UP BRI-UP TINT-UP SHP-UP TRBL-UP BASS-UP UBASS-UP SURR-UP BAL-LEFT FINE-UP
CUTOFF V-AMP" V-SCaR"
H-PHS" SCM-BELL SCM-BY SUB-BRI SUB-VOL TXT-CaNT PIP H-POS PIP TINT
CaNT-DOWN
COL-DOWN BRI-DOWN TINT-DOWN SHP-DOWN TRBL-DOWN BASS-DOWN UBASS-DOWN : SURR-DOWN BAL-RIGHT FINE-DOWN
EW-PAR
V-LIN"
V-PHS" H-SIZE" SCM-RY SUB-CON SUN-TINT S-SYS TXT-BRI PIP
v-ros
OSD-HR
"""
The asterisked ("-marked) items areselected for the 50 Hz and 60 Hz modes according to the main
50/60 settings.
~~.:l:.iJ!:%:~$SO/60,
m*t:f-i}~lJj(
I§I
~i'iJ
13
iYJ±tB:ilE*SOHz
9.li;60Hz7JJ'to
NN
cocc
::D::ll
Xl><
CDCl1
(2)'
itt/\
f:Wd~l1Iil~:I*~at
,EEPROM.ti¥J~:tJl:1~~OOH£03Hi¥J~tfJ~·ff#l;'Fic.tl.~
'Ji
ep0i!1J*JJ::
J'&:fJi5:t'Nir
-ric.!lt~~*,
&p*-r
:ttfiJT7f;~*ittrrEEPROMi¥J*mf:l1li¥J~£!o
!.Iii'"}
i)l:~:r;j
13
m.
~lbF
P"l
@:
IC
~jj§i)l:~
ml<i1fJI
a
f*~iJIil~:liI:~
1
~.Li:iJIil"P
CUTOFF BKGD
..
."
2
jjj;KtII11l:(50Hz)iJIil"P
iV-AMPS
PDC
V-AMPLITUDE
50
3
jjj;K~tt&(50Hz)iJIill'J
i
V-L1NS
PDC
V-LINEARITY
18
4
jjj;Kl'iiltFtltiE
V-SCORS
POC
V-So
CORRECTION
10
5
¥
K.f§t'L
(50Hz)
iJIill'J
V-PHS5
VCD1
V·PHASE 7
5
7l<'f.f§t'L(50HzliJlil1'J
H-PHS5
vcoi
H-PHASE
15
7
7l<'fR"i"(50HzliJlil1'J
' H-SIZE5
PoC
H-SIZE
40
8
EWWltmiliiiJliJ1'J
EJWPAR
PoC
EW-PARABOLA
35
9 ¥K-\li;ffi
I V-BIAS
poc
V-BIAS
7
10
jjj;K- Stl'ljE
v-j
COR
PDC
V-
JCORRECTION 15
11
EW:I1i$iJIill'J
EJWCOR PDC
EW-eORNER
5
12
jj#~$\:Jt
TRAPE
POC
TRAPEZIUM
25
13
jjj;K*H~
V-COM
POC
V-COMPENSAnON
5
14
7l<'f*~
H-COM
PDC
H-COMPENSATION
7'
15
9l.
~!I!rBi:~iJIill'J
SCM BELL
SECAM BELL FILTER
120
15
SECAM$Jil.:,tt'@.:JIC&iJIill'J
SCM R-Y
SECAM R-Y
8
17
SECAM$Jil.:ilii:'@.:JIC&iJIill'J
SCM B-Y
I SECAM B-Y
8
18
SECAM$Jil.::il'S)iH!/tPiJliJl'J
ISCM GP
! SECAM SGP
a
19
SECAM$Jil.:'@.!.tArr
SCMATT
SECAM
C-ATT
0
20
SECAM$]
il.:imJIJi)l:~
SCM 10
SECAM
lo-SENS
a
21
iJlJi'~~'@.i)l:~
FLESH
I vcot
FLESH
1
22
SRT:liI:~ill:~
SRT-MD
vco- SRT-MD
a I
23 s'@.liIimfirBi:"e.'f
WPoL
VC01
WPoL
1
24
s'@.liIi11l:firBi:"e.l)if
WPOC
vcoi
WP-oET
a
25
g:JIC&~'@.i)l:~
HIBRT
VCDl
HI-BRT
1
25 I
:ll1:&-)'
iJliJl'J
i Y-GMMA
VC01 Y-y
1
27
~
'@.-)'
iJIill'J
C-GMMA
vee-
COLOUR- Y
2
28
~'@.!'Itil'bTJ31iJl:~
CoE
vee- CoE
1
29
GP.f§t'LiJliJl'J
GP-PHS
vco- GP-PHS
a
30
,tt'@.:JIC&.f§t'LiJIil1'J
RY-PHS
VCD1
R-Y PHASE 1
31
,tt'@.:JICJ31.f§t'LiJIil1'J
(~TSC$lJil.:)
RY-PHSNT VC01
R-Y PHASE
1
32
tr.'@.:JIC&~~jf,ij1'J
RY-GAIN
VC01
R·Y GAIN
a
33
!If<'@.:JIC&~~iJliJ1'J
GY-GAIN
VCDl
G-YGAIN
2
34
P
/N-iJl,j]IJ
~
lli:&i)l:~
PN-Io
VCD1
PIN-Io
1
35
:JIC&~J8iJ1ill'J
y-oLY
VC01
Y-DLY
a
36
VM.f§t'LiJiIill'J
VM-PHS
VC01 VM-PHS
0
37
j.jtFm~iJiIill'J
STRAC VCD1
S-TRAC
1
38
7l<'jl-~xH!/tPiJIill'J
HBLK
VCb1
H-BLK
a
39
DC~t'L!i1:iJiIill'J
oCT-P vcoi
oC-TRNS POINT
2
40
DC~t'L~iJIill'J
oCT-R VC01
DC-TRNS RATE
5
41
DC~t'LIlUJiJ/l!l'J
DCT-L
VC01
oC-TRNS LIMIT
a
42
B.S.PIll!t'L
BSPL
VCD1 B.S.P.LIMIT
0
43
B.S.t'LJll
BSP1
VCD1
B.S. POINTl
5
44 B.S.t'Ljl2
BSP2
vco- B.S.POINT2
5
(lI)
(2) • In going to the service mode, read the data ataddresses
OOH
thru 03H on the EEPROM. If the data is different
from the one below, initializethe EEPROM as follows.
00H:50H 01H:80H 02H:30H 04H:13H
[Adjusting items]
No. Selling item
On-screen display IC Data setting
Initial value
0
SERVICE MODE
1
CUT OFF ADJ.
CUTOFF
BKGD
X
X
2
V-AMPLITUDE (50Hz) ADJ. V-AMP5 PDC V-AMPLITUDE 60
3 VLlNEARITY (50Hz) ADJ.
V-L1N5 PDC V-LINEARITY 18
4 V-S CORRECTION (50Hz) ADJ.
V-S COR5 PDC V-S CORRECTION 10
5
V-PHASE (50Hz) ADJ. V-PHS5
VCD1 V-PHASE 7
6
H-PHASE (50Hz) ADJ. H-PHS5 VCD1 H-PHASE 16
7
H-SIZE (50Hz) ADJ. H-SIZE5 PDC H-SIZE 40
8
EW-PARABOLAADJ.
E/W PAR PDC EW-PARABOLA 35
9 V-BIAS
V-VIAS PDC
V-BIAS 7
10 V-JCORRECTION
V-JCOR PDC
V-JCORRECTION 15
11 EW-CORNER ADJ.
E/WCOR
PDC EW-CORNER
5
12
TRAPEZIUM
TRAPE PDC TRAPEZIUM 25
13
V-COMPENSATION V-COM PDC
V-COMPENSATION
5
14 H-COMPENSATION
H-COM PDC H-COMPENSATION 7
15 BELL FILTER ADJ. SCM BELL SECAM BELL FILTER
120
16 SECAM R-Y ADJ. SCM R-Y
SECAM
R-Y
8
17
SECAM
B-Y ADJ. SCM B-Y
SECAM
B-Y
8
18
SECAM
GATE PULSE ADJ.
SCMGP
SECAM SGP 0
19 SECAM
CHROMA
ATT
SCMATT
SECAM C-ATT
0
20 SECAM ID SETTING SCM ID SECAM ID-SENS
0
21 FLESH
COLOUR
SETTING FLESH VCD1 FLESH 1
22 SRT MODE SETTING SRT-MD VCD1 SRT-MD
0
23 WHITE
PEEK
DETECT LEVEL WPDL VCD1
WPDL
1
24 WHITE
PEEK
DETECT CURRENT WPDC VCD1 WP-DET
0
25
HI-BRIGHT
COLOUR
SETTING HIBRT VCD1 HI-BRT 1
26 Y-YADJ. Y-GMMA VCD1
Y-y
1
27
COLOUR-y
ADJ. C-GMMA VCD1
Coy
2
28
COLOUR
DETAIL SETTING CDE VCD1 CDE 1
29 GP-PHASE ADJ. GP-PHS
VCD1
GP-PHASE
0
30
R-Y PHASE ADJ. RY-PHS VCD1 R-Y PHASE 1
31
R-Y PHASE ADJ. (NTSC) RY-PHSNT VCD1 R-Y PHASE
1
32
R-Y GAIN ADJ. RY-GAIN VCD1 R-Y GAIN
0
33 G-Y GAIN ADJ. GY-GAIN VCD1
G-YGAIN
2
34 PIN ID SENSITIVITY SETTING PN-ID VCD1 P/N-ID
1
35
Y DELAY ADJ. Y-DLY VCD1 Y-DLY
0
36
VM-PHASE
ADJ. VM-PHS VCD1 VM-PHS
0
37 S-TRACKING ADJ.
STRAC
VCD1 S-TRAC
1
38
H-BLK PULSE ADJ. HBLK VCD1 H-BLK
0
39 DC-TRANS POINTADJ. DCT-P VCD1
DC-TRANS POINT
2
40 DC-TRANS RATEADJ. DCT-R VCD1 DC-TRANS RATE
6
41 DC-TRANS LIMIT ADJ. DCT-L VCD1 DC-TRANS LIMIT
0
42 B.S.P. LIMIT BSPL
VCD1
B.S.P. LIMIT 0
43 B.S. POINT1 BSP1 VCD1 B.S. POINT1 5
OOH:50H
liJlillllPllil3
}
OlH:
SOH
02H:30H
04H:
13H
NN
<.0<.0
::IIJ::IIJ
XX
COCJ1
1.O
No. Setting item
On-screen display IC Data setting Initial value
44 B.S. POINT2 BSP2
VCDl
B.S. POINT2
6
45
B.S.G. BSG
VCDl
B.S.G.
0
46 BLACK LEVEL CORRECTl
BLC
VCDl
B.L.C.
1
47 BLACK LEVEL CORRECT2
BLS
VCDl
B.L.S.
0
48 BLACK DETECT LEVEL BDL
VCDl
B.D.L.
1
49 DYN. ABL-POINT
DABLP
VCDl
DYN. ABL-POINT
6
50 DYN. ABL-GAIN
DABLG VCD1 DYN. ABL-GAIN 4
51 ABL-POINT
ABLP
VCDl
ABL-POINT 5
52 ABL-GAIN
ABLG
VCDl
ABL-GAIN
6
53
TOF FOCHARACTERISTIC
TOF-F VCD1 TOFFO
0
54 TOF Q CHARACTERISTIC
TOF-Q VCD1
TOFQ
0 55 SUB-CONTRASTADJ. SUB CON VCD1 SUB-CONTRAST 15 56
BRIGHTNESS SUB ADJ.
SUB BRI
VCDl
BRIGHTNESS 140
57
SUB COLOUR ADJ. SUB COL
VCDl
SUB-COLOUR
35
58
TINT SUBADJ.
SUB TIN
VCDl
TINT
55
59 SHARPNESS SUB ADJ. SUB SHP
VCDl
SHARPNESS
63
60 VOLUME SUB ADJ.
SUB VOL S-CTRL
VOLUME
80
61
TONE FILTERADJ.
S-FIL S-CTRL FILTER
0 62
TXT-CONTRAST ADJ.
TXT-CONT
VCD1 TXT-CONTRAST
50
63
TXT-BRIGHTNESS ADJ.
TXT-BRI VCD1 TXT-BRIGHTNESS 90
64
V-AMPLITUDE (60Hz) ADJ.
V-AMP6 PDC V-AMPLITUDE 60
65
V-LINEARITY (60Hz) ADJ. V-L1N6 PDC V-LINEARITY 18
66
V-S CORRECTION (60Hz) ADJ.
V-S COR6
PDC
V-S CORRECTION
10
67 V-PHASE (60Hz) ADJ.
V-PHS6
VCDl
V-PHASE 3
68
H-PHASE 160Hz)ADJ.
H-PHS6
VCDl
H-PHASE 20
69
H-SIZE 160Hz'ADJ. H-SIZE6 PDC
H-SIZE
39
70 PLL MODE SETTING PLL PLL1/2
TEST 4
71 IGR LEVEL ADJ.
IGR-LVL
IGR
LEVEL 4
72 IGR
IGR-ST IGR
STEREO 24
73
NICAM ERROR RATE (MAX) N-ERR MAX NICAM
ERR-MAX 70
74
NICAM ERROR RATE (MIN)
N-ERRMIN
NICAM
ERR-MIN 35
75 NICAM ERROR
N-AMDIS NICAM
AMDIS 0
76
V-ENHANCEMENT V-ENH DCF
VENH 4
77 COLOUR BAND CBPF
DCF
CBPF 0
78
1 LINE DOT IMPROVEMENT LD DCF
LD 0
79 CORING
CORING DCF
COR 0
80
PIP H-DISPLAY POSITION H-POS PIP
POS-H2,POS-H
16
81
PIP V-DISPLAY POSITION V-POS PIP
POS-V 16
82
PIP SUB TINT
PIP-TINT VCD2
TINT 35
83
PIP V-POSITION
VSIDLY5 PIP
VSIDEL 10
84
PIP H-POSITION 150Hz)
HSIDLY5 PIP
VSIDEL 3
85
PIP H-POSITION (60Hz) HSIDLY6 PIP
VSIDEL 2
86
PIP DISPLAY ADJ.
VSPDLY PIP
VSPDEL
0
87 PIP SELADJ.
SELDLY PIP
SELDEL
2
88
PIP Y-DELAY (PAL)
YDLYP PIP
YDEL
0
89
PIP Y-DELAY (NTSC)
YDLYN
PIP
YDEL
0
t!ii-li}
i5l:;E:~
§
:t£)jf.*:~p'q~
IC
l:t:lJiH5l:;E:
mr.>1Jt
45 B.S.G.
BSG
VCD1
B.S.G.
0
46
~'@.f'\!:!jZf.lCiEl
BLC
VCD1
B.L.C.
1
47
~
'@.E@.:!jZf.lCiE2
BLS VCD1
B.L.S.
0
48
~'@.~~f'\!:!jZ
SDL VCD1 B.D.L.
1
49
DYN.ABLfiLIt
DABLP VCD1
DYN. ABL-POINT
6
50
DYN.ABL:m~
DABLG VCD1
DYN. ABL-GAIN
4
51
ABLfiLll:
ABLP VCD1
ABL-POINT
5
52
ABL:m~
ABLG VCD1
ABL-GAIN
6
53
TOF
F04'iftt
TOF-F
VCD1
TOFFO
0
54
TOF
Q4'iftt
TOF-Q
VCD1
TOFQ
0
55
~m
l:t.§£iJilJTi
SUB CON VCD1
SUB-CONTRAST
15
56
~j~.§£iJilJTi
SUB SRI
VCD1
BRIGHTNESS
140
57
~j~'@.iJilJTi
SUB
COL
VCD1
SUS-GOLOUR
35
58
~J'@.iJilJiJi!lTi
SUBTIN
VCD1
TINT
55
59
~J~~'§£iJilJTi
SUBSHP
VCD1
SHARPNESS
63
60
~j
if-:l:iJilJTi
SUB VOL
S-GTRL VOLUME
80
61
if-iJilJill
ilU~
iJ/ilTi
S-FIL
S-GTRL FILTER
0
62
TXTJt-t
l:t,iJ!:iJiilTi
TXT-CONT VCD1
TXT-CONTRAST
50
63
TXT3!E,iJ!:iJilJ
1'i TXT-BRI
VCOl
TXT-BRIGHTNESS
90
64
~1l:.$iHI(
60Hz
)iJ/ilTi
V-AMP6 PDC
V-AMPLITUDE
60
65
~
1Hlttil£
(60Hz)
iJiilTi
V-L1N6 PDC V-LINEARITY
18
66
3E1l:./il'ltFf.lCiE
(60Hz
)iJi!lTi
V-SCOR6 PDC
V-So
CORRECTION
10
67
~1l:.:j:§fiL
(60Hz)
iJi!l1'i
V-PHS6 VC01
V-PHASE
3
68
7J<
:!jZffifiL
(60Hz)
iJiil1'i
H-PHS6
VC01
H-PHASE
20
69
7J<~
R
't
(60Hz
)iJiilTi
H-SIZE6 PDC ' H-SIZE
39
70
PLL:l*~i5l:;E:
PLL
PLl1/2
TEST
4
71
IGRf'\!
:!jZiJilJ1'i
IGR-LVL IGR LEVEL
4
72 IGR
IGR-ST
IGR
STEREO
24
73
NICAM1liIj:a:~~$
(l'it;lc) N-ERR MAX
NICAM
ERR-MAX
70
74
NICAM1liIJ:a:~~$
(ii/j,
)
N-ERR MIN NICAM ERR-MIN
35
75
NICAM1liIj:a:~~
N-AMOIS
NICAM I AMDIS
0
76
~1l:.m~s
V-ENH OCF VENH
4
n
~'@.~li!i
CBPF
OCF CBPF
0
78
li1.};'H~fr
LD OCF
LD
0
79
~it
CORING
OCF
COR
0
80
PIP*:!jZ~lJ'fiL:R
H-POS
PIP
POS-H2, POS-H 16
81
PIP~1l:.~lJ'1i'Lii
V-POS PIP POS-V
16
82
PIP~J'@.j}Iij
PIP-TINT
VCD2 TINT
35
83
PIP~llfiLii
VSIDLY5
PIP VSIDEL
10
84
PIP*~fiLii
(50Hz)
HSIDLY5
PIP
HSIDEL 3
85
PIP*~1i'Lii
(60Hz)
HSIDLY6
PIP
HSIDEL 2
86
PIP~lJ'j}lijTi
VSPDLY PIP VSPDEL 0
87
PIP~~iJiil1'i
SELDLY
PIP SELDEL
2
88
PIP1Eil£ji£j8
(PAL1liIJ:a:)
YDLYP
PIP YDEL
0
89
PI
p~~ji£j8
(XTSC1lilJ:a:
:
YDLYN
PIP
YDEL
0
"'"
<Dec
:xJ::I
~~
.....
o
No. Setting item On-screen display IC Data setting
Initial value
90
PIP PLL SETTING PLLTC PIP PLLTC
3
91 PIP FRAME LUMINANCE YFC PIP FRY
10
92 PIP FRAME COLOUR UFC PIP
FRV.FRU
0
93
PIP FRAME WIDTH
FRM
PIP
RWIDV,FRWIDH
12
94 OSD
"
MICON HR
9
95 STANDARD SOUND SYSTEM S-SYS MICON
BG
96 LANGUAGE OPTION SETTING LANG MICON
255
97
PAL-TINT SETTING PAL-TINT VCD1 TINT
64
"For 60 Hz data, enter the following values in the data set for 50 Hz.
Setting Item
Offset Value
V-AMPLITUDE ADJ.
0
V-LINEARITY ADJ.
0
V-So
CORRECTION
0
V-BIAS
-4
H-PHASE ADJ.
+4
H-SIZEADJ.
-1
III INITIALCHANNEL SELECTION DATA SETTINGS
1) Call up the service mode. Enter MCL1to make the settings ofthe channel selection data on the EEPROM (see the next page). Then select the channel POS1.
Factory
settings
and
geomagnetic
adjustment
model by model
(reference)
Suffix for model number Geomagnetism (H,V) nT Background Language
S-sys
B
30000
20000 12300K
CHINESE I
C (SINGAPOLE) -10000 40000 12300K
ENGLISH
BIG
iil%
i5l:~JjQ
13
t£~:&:~pq~
IC
;k~i5I:~
joJJltilfiI
90
PIP
PLLi5I:~
PLLTC
PIP PLLTC
3
91
PIP~31EEl
YFC PIP
FRY
10
92
PIP~~~
UFC PIP FRV, FRU
0
-
93
PIP~~El
FRM
PIP
FRWIDV. FRWIDH
12
94
t£m~1l"
"
MICON HR
9
95
~/'I£1I'IIJOJ~UJt
S-SYS
MICON
BG
96
ii%§~l$i5l:~
LANG
MICON
255
97
PAL*,Ji\:~iJliJi5l:~
PAL-TINT VCD1
TINT
64
*1
50Hz~jJ5i.5I:~st,
~,~]iiJliJ11=lti5l:~~jJ5ilif;iltIT60Hz~jJ5S'9i5l:~0
i51:~~13
i
-t!ii~{i
~
1i:
$lil
m:
jjJ11
I 0
~1i:~f.EEliJliJ11
i
0
~1i:IiiJ%~IE
I
0
~1i:-t!iiff
!
-4
7.K~~ttillil11
+4
7.K~R>tiJliJ11
I
-1
III
~~r£ml¥919J~~mj5t:iE
1
)IJlf04f:liH·FjjJ~tI:~1H~"'F~FJT~~*,EF.jMCL1*:I4~.g.fJ(mi.5I::JE:TEEPROMZ.9='
(.!:i!.
"'F9i')0
fA.
ITS,
~l$POSlo
*
~
%
t:e
r:
a-g-l3'9
*J.J'!l'€!i~5FO
~j:mlft!ij
~(~
~
)
~-"}~~
liilJ:iJ(*~,
~1i:)nT
'If,*
'0;:-
s-svs
'J;c i=i
B
30000 20000
12300K
9='Jt
I
C
(~.1JIlf&:)
-10000 40000
12300K
~Jt
BIG
NN
<0<0
:0:0
XX
cocn
...
...
FACTRY SETTINGS
1) Using the keys, make the following factory settings on the EEPROM ITEM
DATA SETTING
SKIP
OFF
AFT
ON
C-SYSTEM
AUTO
S-SYSTEM
'1
IGR FORCED FM
ON (29RX5 ONLY)
IGR MODE
ST, MAIN (29RX5 ONLY)
NICAM FORCED FM
ON
NICAM MODE
M1
LAST POWER
ON
LASTTV/AV (MAIN/SUB)
TV
DIGIT
2DIG
LANGUAGE
'1
BULE BACK
ON
AVMENU
STANDARD
AUTO SELECT
OFF
LAST POS (MAIN/SUB)
1
LASTFB
POS
1
VOLUME
0
BALANCE
0
CONTRAST
INITIALVALUE OF EACH AV MENU MODE
COLOUR
INITIAL VALUE OF EACH AV MENU MODE
BRIGHTNESS
INITIAL VALUE OF EACH AV MENU MODE
TINT
INITIAL VALUE OF EACH AV MENU MODE
SHARPNESS
INITIALVALUE OF EACH AV MENU MODE
YNR
INITIALVALUE OF EACH AV MENU MODE
BKGD
INITIAL VALUE OF EACH AV MENU MODE
TREBLE
INITIAL VALUE OF EACH AV MENU MODE
BASS
INITIALVALUE OF EACH AV MENU MODE
U-BASS
INITIAL VALUE OF EACH AV MENU MODE
SPATIALIZER
INITIAL VALUE OF EACH AV MENU MODE
TIMER
CLEAR
SAVE
OFF
HEAD PHONE
AUTO ILEVEL: CENTER)
INSET TINT
0
DEMO
OFF
PIP DISPLAY POSITION
LOWER RIGHT
'1:
Refer to the Job Instruction Sheet. For S-SYSTEM, the following factory settings 1, 2, 3and 4 can cover all the channels.
1: M 2: B/G
3:1
4: D/K
t:e
rr
a-r
1¥9
*J]3!~~
i..~
JCE:
1
)*-r
~?JTjf-~*ftt*!ii;lt:fl3@:B<J~UB.,
J<).
i!~~M~iilj':i!::iETEEPROMZ
e:p
0
i,5l::iEr.9!
gj
~!i5i&::iE
mVi:i,5l::iE
fiLji
~
AFT
3f
~~i!iIJ:<ti,5l::iEfiLji
§Z9J
p;=a'i!iIJ:<ti,5l::iEfiLji
'1
!GRs!
i!iIJ~~i,5l::iE
fiLjI
3f{~~29RX5)
IGRi!iIJ:<ti,5l::iE
fiL:ii
STEREO(:iLf*Jl'f)
.±~~
"MAIN"
(~~29RX5)
NI
CAMSSi.i!iIJ~~i,5l::iE
fiLjI
3f
NI
CAMi!iIJ
:<ti,5l::iE
fiLii
Ml
II:S
El!
lJ~GF
~
i,5l::iE
fiL:ii
3f
II:sEl!'!:\iI./;a~i,9::iEfiLji
(.3:./11J
El!'!:\iI.
~~i,9::iEfiLji
-fiL~
i,:g:~i,5l::iEfiLJI
'1
ili
~
'If*i,9::iE
fiLJI
3f
p;~j2'£:iEfiLii
fif-/t
§Z9Jj2'£:tffiLii
~
l'isi,5l::iEfiLii
(.3:./iilJ)
1
II:s
FBi,5l::iE
fiLii
1
'/if:l:
i,5l::iE
fiLJI
0
titi
"fWi,5l::iE
fiLii 0
~
~t
13'U5l::iE
fiL
Ii
~P~j2'£:tfr.9!gjB<JM~m.
*~~i,5l::iEfiLii
~P~j2'£:tfr.9!gjB<JM~iil
j!EJ3{
i,5l::iE
fiLii
~i5"~j2'£:tfr.9!
gj
B<JM~Sm.
-B
~j.5l::iE
fiLii
~
Jl'f~JiE:tfr.9!
§I
B<JM~~m.
~
IJI3
J3{
i,5l::iE
fiLii'.
~Jl'f~JiE:tfr.9!
gj
B<J1<msm.
YNR
~P;~JiE:tfr.9!gjB<JM~m.
BKGD
~P~JiE:tfr.9!
gj
B<JM~Sm.
j@j
'/if
i,5l::iE
fiL
ji
~P~JiE:tfr.9!
gj
B<J1<.msm.
1~
=a'
i,5l::iE
fiLii
~P;~JiE:tfr.9!
gj
B<J1<.m~m.
~
1I£iH5l::iE
fiLji
~P;~JiE:tfr.9!
gj
B<JM~~m.
SPATIALIZER
~;a~JiE:tfIJii
gj
B<J1<msm.
:iE1It*j.5l::iE:
fiL
ii
!J3~
~!i51*:
fH5l::iE
fiLii
~
~ilPHJl.i.5l::iE:fiLIi
§Z9J(El!"f:
e:p~)
IIJ
~Jjf.
'@.
~j.5l::iE
fiL:ii
0
7J'
~
i,5l::iE
fiLlf
~
PIP,'i7J'Jjf.
i,5l::iE
fiL
Ji
ti-r
'1
:
~~p;ifi!ilJ:<tB<Ji,5l::iE,
~tIJrIltB<JM~Siilj]L
2, 3&411t,
iiJi,5l::iE:?JT~~J1to
l:M
2:B/G
3:I
4:D/K
1\)1\)
(.ClCO
7.17.1
XX
COUl
SERVICE ADJUSTMENT
PIF/AFT/AGC ADJUSTMENT
f*~iffiJ~
PIF/AFT/
AGCI¥.J
iJj!!ij~
1\)1\)
<0<0
:Il:Il
XX
COC1J
10kO
- 1.5dB
± 0.8dB
100kO
~I&U
-c
001
E-9~iIil:
002
750
s 1000p
"'~~l!l~
1000p
o-I~
2.
ttJ~t'iH~~VCOI3
J%i:~~~
:T203
(Tl03)
1..
Mjcttl~~~w:
tl:l7C~0
2.
X'tIC20l
(IClOl
)~"I$lI
(4) (IF
ACC
)Jil[tJll1l:i:JiE~EEo
6.0+0.lV
TP202(TPI02)
3.
jlH5i:iil;;;\;~EEitl9!tl;!li:IC201
(ICIOI)"I
$lI
(20)
(PLL
FIL)
~1f.i:JiE~EEiilo
TP203(TPI03):~0.007V~~~IOkHz
*&H~~Jili'iJ~:lrlVH~.ra31!L~~~iil;;;\;~EErr
0
4.~~i!tJll~IC20l(IClOl)"I$lI(4)~1l:i:JiE~EEo
5.
fi§A.7C~.
~1&E-12!Ji!jBI!1i3%
0
(AFT9t~*f;lJ:I1t~at
,1i4~1&!Ji!jf~lt!j~:i'E~224.
25MHz)
6.
~~1t;;;\;~EEit~IC20l
(IClOl
)~"I$lI(20)o
~'PT203
(Tl03).
~~EEiilJ2s~~3
.I.iiiPJTl9!~:!ittl:l~~iilo
$ilfm:15iI
:+0
.015V(20kHz)
1.
~i~~IFT(~i~)~~~:TU20l(TUlOl)
1.
T7'Gfil/%\'iiAi¥.Jl'll:i&:f*;;i5"F.
1l!~l\UBH
l'll:i&E-9~l1itli!!%z:t!t;;!;i.
~'PPLLf&!!:L
2.l'll:f.3m~llifl\'ii
l!l~I!l!lT~lWfl5'i:~l'll:~~
(M~f.3m).
3.
~r,HI!)iHU~~
l!l
!\!ljl-j980d81l
v.
4.l'll:IlfiJJ2l'1I!!.lt('I!l';g~!lJi:fli¥.J1ll;~JHJtj~Ht;
.!A!.
001)T~lWfl"'~\'iil!l~.
(Rfi'€!iiHtT~
l\'!ifl"'~~l!l~).
5.
RM~El~~~!!i!tlJRF
AGCi¥.J
!\!.ffi:il!ITO:3?:
6V~
i¥.J
.!;IJlt%::r:l'll:Mzfl'LIL
6.
N~~l'li'fl"'~!!.ltI!l!lJ9T~!lJi:%~3[002J9T~
i¥.JJjIlI,laJ!*.
~~:~~~~~~.
~~~L~Mfl~~W
1iJ:fi
- 1.5dB :l: O.8dB
10kn
100kn
Oscilloscope
Fig. 1.
E9CH
1000p
o---I~
Fig. 2.
1. Disconnect the antenna fromthe tuner antenna terminal.
2. Apply DC voltage at pin (4) (IF ACC) of IC201(IC101).
6.0 +0.1 V TP202 (TP102)
3. Using adigital voltmeter, measure the DC voltage atpin (20) (PLL FIL) of IC201 (IC101). TP203 (TP103):About 0.007 Vcorresponds to
10kHz
.
• Prepare adigital voltmeter capable of reading down to the third decimal place.
4. Remove the DC voltage from pin (4) of IC201(IV101).
5. Reconnect the antenna and receive the E-12CH signal. (With the AFT off, set the receiving frequency to
224.25 MHz.)
6. Connect the DC digital voltmeter to pin (20) if IC201 (IC101). Adjust T203 (T103) to get the voltage measured in the above step
@.
Allowable error: +0.015 V (20kHz)
2. vco ADJUSTMENT: T203 (T103)
1. Get the tuner ready to receive the E-9CH signal,but with no signal input. Adjust PLLdata.
2. Connect the sweep generator's output cable to the tuner antenna. (RF sweep)
3.
Adjust
the
sweep
generator's
output
level to
80dBIlV.
4. Connect 1heresponce lead (use alow-impedance probe with wave detector; see
Fig.t.) to the tuner's
IF output terminal. (This terminal must have the probe alone con­nected.)
5. Set the RF AGC voltage to
0-6V with no contact
with waveform.
6. Adjust the tuner IF coil to obtain the waveform as shown in
Fig.2.
Note: Be sure to keep the tuner cover in position during
this adjustment.
1. TUNER 1FT(preset) ADJUSTMENT: TU201 (TU101)
IF-oUT
...
I\)
PIF/AFT/AGC ADJUSTMENT
PIF/AFT/AGC~
i./i!IlI_
3. AFT ADJUSTMENT: TP204(T104}
1. Receive the E-12CH (PAL colour bar) signal. ifthis
signal isnot available, any signal above the E-5CH band is acceptable.
-Field strength:
55-80
dB~N
Make
sure the
frequencyisalmost
the
same
as
that of the received channel
3011Hz).
2. Using the channel setting control, make afrequency of 224.25 MHz
appear
on the screen. (AFT
011)(11
any other channel than E-12CH is received, make its frequency on the screen.)
3. Turn
T204
(T104) coil clockwise first to have 6V
reading and then
counterclockwise
to get 0.2 V reading. Within this range, adjust this coil to reach the volt­age below.
4. Adjust
T204
(T104) so that the DC voltage at the
AFT
OUTterminal
- pin (1)of IC201 (IC101)be 3.3
± 0.1 V. (See Fig. 3.)
DC
voltage
at TP201
6V
3.3V
DOWN A S' S Ill" C UP
Fig. 3.
• Turn the core counterclockwise for the UPdi­rection, and clockwise for the DOWN direc­tion. Adjust the T204 core to point B (between B' and B"). Point A and C are rejectable.
3.l3iYJt'i.tiJiiJAFTB-'JiJiiJJM:T204(T104)
1.1ti/l(E-12~iJ:t(PALttJ:itlGi~){s-l9'.
7GE-12
~.m4.Al!t.
~Jll~5~.~~~
•• {s-'%1't'l:l'. itl;iUj1illt:
55-80dB~V
Milj.iEW!J:iI!!iJlijl'ilii/l(~iJ:ti¥J.$(
±
30kHz).
2.iilii±!IJ!iJ:tNlE**.
iJlijj)t3H~7i't±li¥J!IJ!$
~
-m:
~
224.
25MHz.
(AFT~'1"
*
~tt~).
(lti/l(
~
7E-12~
Jlt
~
~~
i¥J!Wl
iJ:t
fa%l!t.
!IZ.
~*Jjj
Eq;ii;;m$:i¥J.$).
3
.I;!.Jif!l(atH)]rli:JME~T204(T104
)~gj3atB-'J1'JJMi
Jtl..EEj;6V,
i9!atHjJrli:JME~atB-'JWMiJtl..EEj;
o. 2vj;iltrm,
iJiiJi'JT204~gj3
,~~gj3
<=P
~tLji
B-'JJtl..EEmJ<S~""f~[',~*o
4.iJiiJi'JT204(T104),~IC201(IC10l)51~(1)
(AFT~t!:l!ljjij
)B-'JH.l:IiEJtl..EE-mJ<S~3.
3V±O.1
Va<J
m.JE~*o
TP201Ji"JJ[tm.rtffi
6V
3.3V
H$
A B' B
B"
C
n$
003
*
litH,'
j;~8tH:1ji!;J8t~
~f$,
:Ef
1J11~
8tH:1jfi;J8t!ilIJ~H$o
l£B'
EqB
H
.<:.
is]
Mm~~T204i¥J1itt'L,{j'[illmJmT
BA.o
(A,
CA1JNG)
5. VIDEO DETECTION LEVEL ADJUSTMENT: R224
1. Receive the "B/G SYSTEM PAL COLOUR BAR" signal (100% white colour bar). Ste the S system to B/G.
2. Adjust R224 so that the video output at the AV OUT terminal be 1.0
±0.05 Vp-p with a 75-ohm termination.
4. RF AGC CUT-IN ADJUSTMENT: R226 (R116)
P201
(P101)
rtt!ll.ti1.
004
+J I 0
+
-wlBin
7i'1l!i:U
t..9..
1
Y
4.
M~13
iYJ:tt\'~~*1JRF
AGC1lIlAB-'JiJiiJ~
:R22B(R116)
1.~41l:E-12~j1[
"PAL*U~*3~"
1~%o
itl;iUj1illlt:
57±
IdB~
V(~1t75'PIHIl.)
2.
l1H!l4fj1f
7i'
j!:,jt
It
7i'
lI!i:
H
'1"
P201.
it
-wlBifl
:
~6.
5V
3.
ME~R226
(R116),
~FJrl!.Qtl<i!.EEil~:j(J3~Jll*o
4.
;f§&jJrli:Jm:f§!j:i!?ME~R226
(R116)
,.j4<i!.EEil
;tiJiiJ~Jll*m-o
.1VZ~j,J3!:o
5.
iJlij1El-'%51illlt~63-67dB
~V.W!Jl.\.7G~j'll'
t±l
m.
6.
NiJIij{"a--,%j1illlt~90-95dB
~v.W!Jl.\.7G~llt
fill-l9'iJlijttJitHst±lm.
i'E1i :
:llcjiIHI1!Jll::r-*50/75~!l.tltfH~fli¥J500
~~l;iU51illlttt.
~J;ib51illlt!f<:·~~~55
±
IdB~V.
~~~.
iI1!Jll~~fll!t.
B:;lfJ:!R
E!3
~~fl'fjH~i¥J~.Il.!Jtm;1<;.
5.1'Ji!.~~~Jtl.~B-'JiJiiJ~:R224
l.lii/l(
"B/Gfi1IJ:itPAL~~"
{i1!%(lOO%s'@.fl1f%).
tll:S-fillJ:it'fB/G{12I.
2.
iJIij
l'iR224.
iI1!j'll'
~
~
t±llt/HI:
i¥J
t!lI.!IJ!~
t±lj1illltii;J£l.0±O.
05Vp-pi¥J
mlE
j!:,jt
('1"750
Ii
~~).
i'E1i:
Jll
"IfillJ:itPALlGi~"
1EI%*i£ffJltJ3lliJlijJMl!t.
B:tll:StlJ:it'fI{;LI.
P201
TV
set
Fig. 4.
Oscilloscope
~
1. Receive the.E-12CH "PAL COLOUR BAR" signal.
- Fieid strength: 57
± 1
dB~V
(75 ohms open)
2.
Connect
the
oscilloscope
to P201, as
shown
in
Fig. 4.
- Bias box: About 6.5V
3. Turn R226 (R116) to have the highestvoltage.
4. Turn R226 (R116) slowly in the oppsite direction untill the voltage goes down 0.1Vbelow the high­est level.
5. Adjust the signal levelto63-67
dB~V
and make sure
there are no noise.
6. Now adjust the signal levelto90-95
dB~V
and make
sure there is no chrominance modulation beat.
Note: If a 50 ohm field strength meter is used withouta
50/75 impedance converter, set the field strength
to 55
± 1
dB~V.
Pay attention to a loss that would
be cause with the converter.
....
W
NN
(Q(Q
JJJJ
~~
....
J:>,
DIGITALCOMB FILTERY LEVELADJUSTMENy
1. DIGITAL COMB FILTER Y LEVEL ADJUSTMENT: R5467
1. Input the PAL colour bar (100% white colour bar) signal to AV-IN terminal with a 75 ohm termination (input level 1.0
Vp-p
+ 0.05Vp-p).
2. Connect the oscilloscope to
TP5462
(connector YA pin (7)).
3. Adjust R5467 so
that
the Y signal (100% white) at TP5462 be 2.0 ±
O.lVp-p.
Note:
Make
sure
that
the
signalislinearly
amplified
overall.
(The
100"10
portion
shouldbekept
intact.]
<Reference> Note the voltage level for the adjustmentwiththe E-12CH signal. Tobe adjusted to 2.0 Vp-p at TP5462
• Make sure the abovevalueisavailableafter the adjustment
No.5. Input (YB) (2): 2.0 V +0.1Vp-p Output (YA)(7): 2.0 V +0.1 Vp-p
SOUND
ADJUSTMENT
1. SUB SOUND ADJUSTMENT (BUS ADJUSTMENT)
1. Feed the following signaltotheAV terminal.Signal: 1 kHz, 1.76Vp-p (terminatedwitha 10-kohmimpedance),
0.04/-0.06 Vp-p
2. Set the volume control to MAX.
3. Connect the VTVM probe to the
Sl
connector. (Pin G): L-ch,pin ®:GND, pin @: R-ch)
4. Adjust the sub-sound data so that theVTVMshould read the following voltage. For the left channel. Adjustment error: B.9+0.1Vrms
Notes:
• Spatializer off
• In the S-Normal mode
• S-VOL control at MAX position 'Use anB-ohmdummy load.
2. NOISE MUTE CHECKING
1. Receive E-12CH "PALcolour bar" signal.
2. Turn up the volumecontrolto maximum and makesure the sound is heardfromthe speakers.Then put the unit in the no-signal state.
3. Be sure that the sound muteiseffective.
4. Finally turn down the volumecontrolminimum.
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Rank "A"(onthe Rank "A"(onthe rightoftheCRT) left of the CRT)
" Holddownthe single- colorkeyfor 1secondsor longer, whether
in the service modeor not, andthe single -
colour modeis calledup.Alsowiththetext keys"R", "G"
,and "Cy", the
corresponding
single-colorscreen comes up. "1:Thedeflectionyokeposition(YPB.is adjusted byset­tingthe"a"and "b" landings. [CRT code: VB68LFP"""
==>20-!lmpoint,
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RED ONLY SCREEN
BULEONLY SCREEN
SINGLE-COLOUR
I~
,
MODECLEARED
GREEN
ONLY
SCREEN
PURITY ADJUSTMENT
1. Using the remote controlier, cali the green-only screen.Setthecontrastcontrolto have a beam cur­rentof 1.4
mAo
2. Fullydegaussthecathoderaytubewith the degauss­ing coil.
Note:Themagneticfield adjustment is referred to in the Production Communication Sheet. See the factoryset-
tingstableforthemagneticfield.
3. Setthepuritymagnetto the zero magneticfield, and roughlyadjusttheconvergence.Nowadjust the pu­rity magnettogetthecenteringrank A.
4. Movethe
deflection
yoketoandfro,and
observe
the
points
"a"and"b"as
shown
inFig.
1-1
witha
microscope.
Setthe
landings
to20urn.Insertanddrivethe
wedge
tokeepthe
deflection
yokewell
balanced
topand
bottom.
4'. Ifthepoints"a"and"b"arepoorly
balanced,
correctthe
centering
upto therankAB.
5.
Adjust
the
raster
rotation
to0
eastward.
6.
TIghten
the
deflection
coillock
screwsTIghtening
torque:
108+20N
(11
+2k9n
7. Checkthe
corners
onthe
cathode
raytube
screen.
Cor-
rectthe
landings,asrequired,
totherankAby
applying
the
magnetic
sheet. Note: Make this adjustmentafterwarminguptheunitat thebeamcurrentof1400 +50
!lAfor30 minutesorlonger. If any other adjustmentis made duringthe warming-up, warm uptheunitfor2 moreminutes and start the purity adjustment. Note: Call the service mode withTP1001 (TP1002)and pressthesingle-colorkeyon the processremotecontrol­ler,andthe green-color screencomesup. Note:Afteradjustingtheconvergence, setthe"a"and "b" landingsto20 urnin advance.
2" SURROUNDING PURITYADJUSTMENT
1. Make sure the deflection yoke (YPB) is positioned well. Receive the crosshatch signal and move the deflectionyoke to roughly adjusttheYHandYV.(Fix the deflectionyokewith the wedgewithin30seconds.)
2. Call up the green-onlyscreen,and set the beam current to1400
!lA.
3. With BH at 0 andBVas specified by the Production Communication Sheet, make sure the landings at the cornersareof rankA. If not, apply a purity correctionmagnetand readjustthelandings. The magneticfield adjustment is referredtointheProductionCommunicationSheet.
....
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1. Adjust theconvergenceon the fringes of the screen
Inthe folloeing steps.
a) Fig. a: Drive the wedge at point "a" and swing
the deflection coil upward.
b) Fig. b: Drivethewedgeat points "b" and "c" and
swing the deflection coil downward.
c) Fig. c: Drive the "c"wedgedeeperandswingthe
deflection coil rightward.
d) Fig. d: Drivethe"b"wedge
deeper andswingthe
deflection coil leftward.
2. Fix allthewedgeson the CRT and apply glass tape over them.
3. Apply lacquer to the deflection yoke lock screw, magnetunit(purity,4-poleand6-pole magnets) and magnet unit lock screw.
STATICCONVERGENCE
1. Turn the4-pole magnet to a proper opening angle
in order to superimpose the blue and red colours.
2. Turn the
s-poremagnet toa proper opening angle
in order to superimpose the green colour over the blue and red ones.
BGR
Fig.d
Fig.b
u~n
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i=-=--I-::::r.:r.::w
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RGB
(To be
done
after
the
purity
adjustment)
1. Receive the E-2CH "CROSSHATCH PATTERN" signal.
2. Using the remote controller, call the Normal mode.
...
en
6-pole magnet
4
- pole magnet
CRT neck
lacquer
CRTCU~OF~BACKGROUNDANDSUB~ONTRAST
ADJUSTMENT
1. CRT CUT-OFFADJUSTMENTS
Adjusting Point
IIIl Sub-Brightness: R890
1. ReceiveE-5CH"MONOSCOPEPATTERN"signal.
2. Using the remote controller, call up the P-NORM mode.
3. Turn on the service switch and select the cut-off/
n n
-.
background mode. I
4. Connect the oscilloscope to TP852 (RED cathode). 10",1Vp-p
5. Set the screen controlto 0/10 position.
6. Pressthe
"0/_"key ontheremotecontrollertoreach
the horizontal centering mode.
7. Adjust the sub-briqhtness control (R890) so that the blanking pulse on the oscilloscope screen be
10
± 1Vp-p.
8. Disconnect the oscilloscope from TP852.
9. Turn the screen controlcounterclockwise untilthe horizontal raster becomes whitish.
10.Adjustthe cut-off data of the other two colours untilthe horizontal raster becomes whitish.
Note: The data can be
turned
up and
down
with
the abovekeys.
o R CUT OFF UP "1" key 0 G CUT OFFDOWN "5" key
• R CUT OFF DOWN "4" key
0 B CUT OFF UP "3" key
o G CUT OFF UP "2" key 0 B CUT OFF DOWN
"6"
key
11.Turn the screen control counterclockwise until the horizontal rasterdisappears.
Note:Before
starting
this
adjustment,
warm
up the
unit
for30minutesorlonger
at a beam
current
of 1400
±50lJA·
12.Press the "0/_" key on the remote controller to callthe normal mode.
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2. WHITE BALANCE and BACKGROUND FC BUS ADJUSTMENT
1. Receive the E-5CH"MONOSCOPE PATTERN" signal.
2. Using the remotecontroller,call the Video Normalmode.
3. Connect the beam ammeter between TP601 andTP602.
4. Roughly adjust R1631 (sub-contrast control) to have a beam current ofabout 1.6mA.
5. Receive the J-12CH (window pattern) signal. (Or receive the white balance pattern signal.)
6. Adjust the G-drive and B-drive data to havea colour temperature of 12300
QK
(white).
·12300"K X: 0.272
Y: 0.275 (with a Minolta colour temperture meter CA-100) Note:The data can
be
turned
up and
down
with
the abovekeys.
o G-DRIVE UP "7" key 0 B-DRIVE UP "8" key
o G-DRIVE DOWN
"~"
key • B-DRIVE DOWN "0" key
7. Using the R-CUTOFF,G-CUTOFF,and B-CUT OFF controls, adjustthe white/dark portion to 12300"K.
8. Readjust the color temperature at the whitepeak.
9. Check the white/dark portion to make sure the colour temperature is 12300"K. Note:Before
starting
this
adjustment,
warm
up the
unit
for30minutesorlonger
at a beam
current
of 1400
±50lJA·
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(Continued)
3. MAX BEAM R1631
1. Receive the E-5CH "MONOSCOPE PATIERN" signal.
2. Using the remote controller, call the Video Normal mode.
3. Connect the beam ammeter between TP601 and TP602.
• Ammeter's full scale: 3mA range
• Ammeter's positive
(+) read: . TP601
• Ammeter's negative (-) read: TP602
4. Adjust R1631 (sub-contrastcontrol) so that thebeam current be 1.6mAo
Note: Before
starting
this
adjustment,
warm up the
unit
for30minutesorlonger
at a beam
current
of 1400±
50~.
II]
1 2 3 4 5
4. SUBBRIGHTNESS FC BUS ADJUSTMENT
1. Receive the E-2CH (crosshatch pattern) signal.
2. Using
the remote controller, call up thenormal video mode.
3. Adjust
the sub-brightness control in the service mode so that the fourth (1 thru 5 from left)black zone of the window pattern should look sinking.
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HORIZONTAL AND VERTICAL CIRCUIT ADJUSTMENT
1. MAIN PICTURE ADJUSTMENT
For this items 1thru 6 below, use the remote controller in the service mode.
1. V-AMPLITUDE 50: Adjust the overscan
8.5% (E-5).
2. V-LINEARITY 50: Adjust to getthebest linearity.
3. V-S-CORRECTION 50: Preset (readjust ifthe linearity is poor).(10)
4. V-PHASE 50 (V-CENTER): Align the screen center WithCRT'sgeometrical center (E-5)
5. H-PHASE 50 (H-CENTER): Align the screen centerwithCRT's geometrical center (E-5)
6. H-SIZE: Adjust the overscan 8.5% (E-5).
7. EW-PALABOLA (SIDE-PIN): Adjust so that the secondvertical linesfrom the left and right ends of the cross-
hatch pattern be straight (E-2).
8. V-BIAS: Preset
(7)
9. V-S-CORRECTION: Preset (15)
10. EW-CORNER (SUB-SIDEPIN): Adjust so that the endofthe crosshatch pattern be straight.
11. TRAPEZIUM: Preset (Readjust ifnthe trapezium is poor). (25)
12. V-COMPENSATION: Preset (5)
13. H-COMPENSATION: Preset (5)
14. Others: For the V-AMPLITUDE60, V-LINEARITY 60, V-S-CORRECTION60,V-PHASE 60, H-SHIFT60, and H-WIDTH 60 adjustment, their corrected data are auto­matically entered when the corresponding 50 Hz mode adjustments aremade.
The signals of the receive channneIs in paretheses are follows. (E-2):Crosshatch pattern (50Hz) (E-5):Monoscope pattern (50Hz) If an error is too much in checking any of the 60Hz items, readjust the item in 60Hz mode
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2. FOCUSADJUSTMENT
1. Receive the E-5CH "MONOSCOPE PATTERN" signal.
2. Using the remote controller, call the Video Normal mode.
3. Adjust the focus control sothat the "SHARP" at the upside of the screen.
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1. Receive E-12CH "PAL colour bar" signal.
2. Using the remote controller, call the Video Normal mode.
3. Connect the oscilloscope to TP852 (RED cathode). (Use a 10:1probe.)
·Range: 2VIdiv.
·Sweep time:
20llsec/div.
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justment mode. Adjust the sub-colour data so that the 75% white and red portions of the PAL colour bar be at the same level. See
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1. Call the sub-tint adjustment mode.Rceivethe JA­8CH "NTSC COLOUR BAR"signal.
2. Connect the oscilloscope toTP806 (B-Y)
·Range: 20mV/div.(AC)
·Sweep time: zousec/olv (Use a 10:1probe.)
3. Adjust thesub-tint data to obtain the waveform as
shown in
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6. Reconnectthe oscilloscope to pin (10) (B-YOUT, TP802) of IC901. Take the same conditions as in step 3 above.
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1. VCO COIL ADJUSTMENT: T2302
1. Receive the E-69CH (PALCOLOUR BAR) signal.
2. Adjust T2302 so that the DC voltage of connecter (NI) pin (2) (TP204 located on the main unit or TP2303 located on NICAM unit) be2.5
±0.1V.
SIF (IGR) ADJUSTMENT (29RX5)
1. AUDIO
LEVEL:
R2371
Adjusting conditions
191Avideo colour bar signal, 87.5% mod. M1, M2, 400Hz, 30 KHz dev.
TWO SOUND mode (press the M1 or M2 switch)
RF output, 80 dBJl
1. Set the unit's bilingual mode switch to "MAIN" or "MAIN
+SUB".
2. Terminate the AUDIO OUT (L) terminal with 10k-ohm impedance. Adjust theAUDIO LEVEL control (R2371) so that the waveform on the synchroscope be as follows. Adjustment range: 1.32 Vp-p
± 0.04 Vp-p
Notes
1.Make surethat "MAIN" or "MAIN
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2.Make the setting of 1.76 Vp-p at 40 kHz deviation.
<Reference> For the NICAM/IGR unit alone, the voltage at pin (17) (L-OUT(NI)) should be 1.36
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2. SEPARATION: R2339
Under the same signal conditions asabove, set thesignal generator to the STEREO mode (press the
Lor
R switch).
Turn off the MON01 (L) audio signal.
·Press the S switch and make sure the meter indicates 5 kHz deviation.
1. Set the unit to the STEREO mode.
2. Terminate the AUDIO OUT(L) terminal with a10-kohm impedance.Adjust the SEPARATION control (R2339) to make the 400-Hz waveform the smallest.
Notes
Make sure the STEREO appears on thescreen.
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