Y: 1 Vp- p, 75 ohms, negative or tri- level sync
P
B : 0.7 Vp- p, 75 ohms
R : 0.7 Vp- p, 75 ohms
P
or
G: 0.7 Vp- p
B: 0.7 Vp- p
R: 0.7 Vp- p
HD: 0.5– 5 Vp- p, 2.2 kilohms
VD: 0.6– 5 Vp- p, 2.2 kilohms
Note:
The VIDEO 5 (DTV) IN jacks are not compatible with a
computer’s 5BNC (R/ G/ B/ HD/ VD) video output connectors.
AUDIO (phono jacks): 500 mVrms (100% modulation),
Impedance: 47 kilohms
SELECT OUT
VIDEO (phono jack): 1 Vp- p, 75- ohms unbalanced, sync
Design and specifications are subject to change without
notice.
– 2 –
SAFETY CHECK-OUT
e
( US model only )
KP-57XBR10W/65XBR10W
RM-Y907RM-Y907
After correcting the original service problem, perfom the follow-
ing safety checks before releasing the set to the customer:
l. Check the area of your repair for unsoldered or poorly-sol-
dered connections. Check the entire board surface for solder
splashes and bridges.
2. Check the interboard wiring to ensure that no wires are
“pinched” or contact high-wattage resistors.
3. Check that all control knobs, shields, covers, ground straps,
and mounting hardware have been replaced. Be absolutely
certain that you have replaced all the insulators.
4. Look for unauthorized replacement parts, particularly transistors, that were installed during a previous repair. Point them
out to the customer and recommend their replacement.
5. Look for parts which, through functioning, show obvious
signs of deterioration. Point them out to the customer and
recom mend their replacement.
6. Check the line cords for cracks and abrasion. Recommend
the replacement of any such line cord to the customer.
7. Check the condition of the monopole antenna (if any). Make
sure the end is not broken off, and has the plastic cap on it.
Point out the danger of impalement on a broken antenna to
the customer, and recommend the antenna’s replacement.
8. Check the B+ and HV to see they are at the values specified.
Make sure your instruments are accurate;be suspicious of
your HV meter if sets always have low HV.
9. Check the antenna temminals, metal trim, “metallized” knobs,
screws, and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5mA (500 microampers) . Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or
RCA WT-540A. Follow the manufacturers’ instructions to
usc these instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operated AC voltmeter. The “limit” indication is 0.75V, so analog meters must have an accurate lowvoltage scale. The Simpson 250 and Sanwa SH-63Trd are
examples of a passive VOM that is suitable. NearIy all bat-
tery operated digital multimeters that have a 2V AC range
are suitable. (See Fig. A)
HOW TO FIND A GOOD EARTH GROUND
A cold-water pipe is guaranteed earth ground;the cover-plate retaining screw on most AC outlet boxes is also at earth ground. If
the retaining screw is to be used as your earth-ground, verify that it
is at ground by measuring the resistance between it and a cold-
water pipe with an ohmmeter. The reading should be zero ohms. If
a cold-water pipe is not accessible, connect a 60-l00 watts trouble
light (not a neon lamp) between the hot side of the receptacle and
the retaining screw. Try both slots, if necessary, to locate the hot
side of the line, the lamp should light at normal brilliance if the
screw is at ground potential. (See Fig. B)
To Exposed Metal
Parts on Set
AC
1.5 µ F
Fig. A. Using an AC voltmeter to check AC leakage.
1.5k Ω
Earth Ground
voltmeter
(0.75V)
Trouble Light
Ohmmeter
AC Outlet Box
Cold-water Pip
Fig. B. Checking for earth ground.
– 3 –
KP-57XBR10W/65XBR10W
RM-Y907RM-Y907
SELF DIAGNOSIS FUNCTION
1.Summary of Self-Diagnosis Function
•This device includes a self-diagnosis function.
•In case of abnormalities, the TIMER/STAND BY indicator automatically blinks. It is possible to predict the abnormality location
by the number of blinks. The Instruction Manual describes blinking of the TIMER/STAND BY indicator.
•If the symptom is not reproduced sometimes in case of a malfunction, there is recording of whether a malfunction was generated
or not. Operate the remote command to confirm the matter on the screen and to predict the location of the abnormality.
2.Diagnosis Items and Prediction of Malfunction Location
•When a malfunction occurs the TIMER/STAND BY indicator only blinks for one of the following diagnosis items. In case of
two or more malfunctions, the item which first occurred blinks. If the malfunctions occurred simultaneously, the item with the
lower blink count blinks first.
•The screen display displays the results regarding all the diagnosis items listed below. The display “ 0 ” means that no malfunc-
8. ELECTRICAL PARTS LIST ...................................... 178
– 7 –
KP-57XBR10W/65XBR10W
RM-Y907RM-Y907
(CAUTION)
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR CAR-
BON PAINTED ON THE CRT, AFTER REMOVING THE ANODE.
WARNING!!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BECAUSE OF LIVE CHASSIS.
THE CHASSIS OF THIS RECElVER IS DIRECTLY CONNECTED
TO THE AC POWER LINE.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON THE
SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL TO SAFEOPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITICAL COMPONENTS ARE REPLACED OR IMPROPER OPERATION IS SUSPECTED.
(ATTENTION)
APRES AVOIR DECONNECTE LE CAP DE L’ANODE, COURTCIRCUITER L’ANODE DU TUBE CATHODIQUE ET CELUI DE
L’ANODE DU CAP AU CHASSIS METALLIQUE DE L’APPAREIL,
OU AU COUCHE DE CARBONE PEINTE SUR LE TUBE CATHOD-
IQUE OU AU BLINDAGE DU TUBE CATHODIQUE.
ATTENTION!!
AFIN D’EVITER TOUT RISQUE DELECTROCUTION PROVENANT D’UN CHÁSSIS SOUS TENSION, UN TRANSFORMATEUR
D’ISOLEMENT DOIT ETRE UTILISÉ LORS DE TOUT DEPANNAGE.
LE CHÁSSIS DE CE RECEPTEUR EST DIRECTEMENT RACCORDÉ Á L’ALIMENTATION SECTEUR.
ATTENTION AUX COMPOSANTS RELATIFS ÁLA
SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE TRAME ET PAR UNE
MAPQUE ! SUR LES SCHÉMAS DE PRINCIPE, LES VUES EX-
PLOSÉES ET LES LISTES DE PIECES CONT D’UNEIMPORTANCE
CRITIQUE POUR LA SÉCURITÉ DU FONCTIONNEMENT. NE LES
REMPLACER QUE PAR DES COMPOSANTS SONY DONT LE
NUMÉRO DE PIÉCE EST INDIQUÉ DANS LE PRÉSENT MANUEL OU DANS DES SUPPLÉMENTS PUBLIÉS PAR SONY. LES
RÉGLAGES DE CIRCUIT DONT L’IMPORTANCE EST CRITIQUE
POUR LA SÉCURITÉ DU FONCTIONNEMENT SONT IDENTIFIES
DANS LE PRÉSENT MANUEL. SUIVRE CES PROCÉDURES
LORS DE CHAQUE REMPLACEMENT DE COMPOSANTS CRITIQUES, OU LORSQU’UN MAUVAIS FONCTIONNEMENT EST
SUSPECTÉ.
– 8 –
SECTION 1
GENERAL
The operating instructions mentioned here are partial abstracts from the
Operating Instructions Manual. The page numbers of the Operating
Instruction Manual remain as in the manual. (Part no : 4-080-199-11)
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