Sony TRINITRON KV-27XBR51 Service Manual page 37

4) Make the data "00" by selecting FILO with[!] and
[i]
And then, send up the data gradually by pressing
[ill.
Set the data to Dl before SAT3 changing to 1 from 0.
5) Send up the data gradually. Set data D2 when SAT3
changes 0 from 1.
• DI
+
D 2
6) Adjust the data ofFIOL to
2
•
7) Write into the memory by
pressing,,..IM~U=T=IN~G.,.,I
-+
thenlENTERI.
item
SERVICE FILO 21
1000 0110 MONO
\
SAT3
lsT VCO ADJUSTMENT!
1) Set to Service Mode.
2) Select TEST when[!] and
[iJ,
set the data to "1".
And then presslMTSlto MONO.
3) Select MPX, set the data "8" .
4) Connect an audio oscillator to R205 using
electrolytic capacitor (10µ F /16V) and appply the
frequency Vst. Then .. apply DC voltage to pin
Q}
of VIF
pack using lOkfl connect to 9.3V line.
audio oscillator
rq
>14-
L] ,.,/,.,
Vsr: SINE-WAVE 15.734 kHz
LEVEL 0.28 Vp.p
from
9.3
v
lint
10K
5) Select STEV with [!]and
[iJ ,
set the data to "00"
with
~
. And then, send up the data graduall. Set
the data to Dl before SAT2 changes from 0 to 1.
6) Send up data gradually, set the data to D2 when
SAT2 changes 1from0.
7) Adjust the data of STEV to
0 1
2
+
0 2
•
8) Write into the memory by pressing "' I M-=u=T=IN::-:-:G"' I
-+
thenlENTERI.
KV·27XBR51/27XBR55
item
SERVICE STEV 2
1000 0010 MONO
\
SAT2
IMPX IN LEVEL ADJUSTMENT!
1) Set to Service Mode.
RM-Y106 RM-Y107
data
2) Select TEST with[!]and[ij, set the data to "O" with
~· And then pressjMTSlto MONO.
3) Select MPX with[!]and[il, set the data to "08" with
@land~.
4) Write into the memory by pressing IMUTINGI
--+
then!ENTERI.
IPILOT CANCEL ADJUSTMENT!
1) Set to the Service Mode.
2) Select TEST with[!]and[ij, set the data to "O" with
~·
And then presslMTSjto MAIN.
3) Select PILO with[!]and[ij, set the data to "08" with
@land
!ill.
4) Write into the memory by pressing jMUTINGI
--+
thenlENTERI.
jSAP VCO f
1
ADJUSTMENT!
1) Set to Service Mode.
2) Receive a stereo broadcast signal with SAP.
3) Select TEST with[!] and
[iJ,
set to the data to "O"
And then, press tolMTSlto MAIN.
4) Connent a digital multimeter to pin
CD
of A-23
connector. This voltage reading will equal V 1.
5) Press MTS to SAP and this voltage will equal V 2.
6) Select SAPV with[!] and
[iJ,
adjust@] and
[ill
so that
V 2=V 1±0.03 VDC.
7) Write the memory bylMUTINGj-+ IENTERj.
!SEPARATION ADJUSTMENT!
1) Set to Service Mode.
2) Press jMTSI to MAIN and receive a monoral broad-
cast signal.
In the next step, receive a stereo broadcast signal.
3) Select SEP and VD with[!] and
[iJ ,
adjust @]and
[ill
so
that a clear stereo sound is effected.
-37-