Sony BKM-2053 User manual

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AUTO SET-UP PROBE
BKM-2053
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OPERATION AND MAINTENANCE MANUAL
1st Edition
Serial No. 10001 and Later

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CONFIDENTIAL
The material contained in this manual consists of information that is the property
of Sony Corporation and is intended solely for use by the purchasers of the
equipment described in this manual.
Sony Corporation expressly prohibits the duplication of any portion of this manual
or the use thereof for any purpose other than the operation or maintenance of the
equipment described in this manual without the express written permission of Sony
Corporation.
VERTRAULICH
Das in dieser Anleitung enthaltene Material besteht aus Informationen, die Eigen-
tum der Sony Corporation sind, und ausschlieRlich zum Gebrauch durch den
Kaufer der in dieser Anleitung beschriebenen Ausriistung bestimmt sind.
Die Sony Corporation untersagt ausdricklich die Vervielfaltigung jeglicher Teile
dieser Anleitung oder den Gebrauch derselben fiir irgendeinen anderen Zweck als
die Bedienung oder Wartung der in dieser Anleitung beschriebenen Ausristung
ohne ausdriickliche schriftliche Erlaubnis der Sony Corporation.
CONFIDENTIEL
Le matériel contenu dans ce manuel consiste en informations qui sont la propriété
de Sony Corporation et sont destinées exclusivement a |’usage des acquéreurs de
\'équipement décrit dans ce manuel.
Sony Corporation interdit formellement la copie de quelque partie que ce soit de ce
manuel ou son emploi pour tout autre but que des opérations ou entretiens de
I'équipement a moins d‘une permission écrite de Sony Corporation.
WARNING !?! ATTENTION!!
AFIN D’EVITER TOUT RISQUE D’ELECTROCUTION
DURING ANY SERVICE TO AVOID POSSIBLE SHOCK
HAZARD, BECAUSE OF LIVE CHASSIS.
THE CHASSIS OF THIS RECEIVER IS DIRECTLY CON-
NECTED 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 THESE COMPONENTS
WITH SONY PARTS WHOSE PART NUMBERS APPEAR
AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS
THAT ARE CRITICAL TO SAFE OPERATION ARE
IDENTIFIED IN THIS MANUAL. FOLLOW THESE PRO-
CEDURES WHENEVER CRITICAL COMPONENTS ARE
REPLACED OR IMPROPER OPERATION IS SUSPECTED.
PROVENANT D‘UN CHASSIS SOUS TENSION, UN
TRANSFORMATEUR D‘ISOLEMENT DOIT ETRE
UTILISE LORS DE TOUT DEPANNAGE.
LE CHASSIS DE CE RECEPTEUR EST DIRECTEMENT
RACCORDE A L’ALIMENTATION SECTEUR.
ATTENTION AUX COMPOSANTS RELATIFS A LA
SECURITE!!
LES COMPOSANTS IDENTIFIES PAR UNE TRAME ET
PAR UNE MARQUE (\ SUR LES SCHEMAS DE PRINCIPE,
LES VUES EXPLOSEES ET LES LISTES DE PIECES
SONT D‘UNE IMPORTANCE CRITIQUE POUR LA
SECURITE DU FONCTIONNEMENT. NE LES REN-
PLACER QUE PAR DES COMPOSANTS SONY DONT LE
NUMERO DE PIECE EST INDIQUE DANS LE PRESENT
MANUEL OU DANS DES SUPPLEMENTS PUBLIES PAR
SONY. LES REGLAGES DE CIRCUIT DONT L’IMPOR -
TANCE EST CRITIQUE POUR LA SECURITE DU
FONCTIONNEMENT SONT IDENTIFIES DANS LE
PRESENT MANUEL. SUIVRE CES PROCEDURES LORS
DE CHAQUE REMPLACEMENT DE COMPOSANTS
CRITIQUES, OU LORSQU’UN MAUVAIS FONCTIONNE -
MENT EST SUSPECTE.

1-1,
1-2.
1-3,
1-4,
1-5.
1-6.
1-1,
1-2,
1-3.
1-4,
1-5.
1-6.
4-1.
4-2,
4-1.
4-2.
A
TABLE OF CONTENTS
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OPERATION
Outline eiinniaiodi eats ee aerate 1-1(E)
Notes on versions ............ eee eee eee ences 1-1(E)
Usable monitors ......... 0. cece cece eee eee 1-1(E)
Parts identification ............ 0 cee cece eee ee 1-2(E)
Specifications 1.0.0... 0.0 cee cece eee eee eee 1-2(E)
Packitig'n nd aceedare undead eee dct atee 1-2(E)
Kee ee ean diate SGN eld welded asicieldigis oacielelarareera cee 9-}
CIRCUIT BOARDS LOCATION .... 2-1
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DISASSEMBLY .....................555. 3-1
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TARR GER YAK RA KB) crete 4-1(J)
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CIRCUIT DESCRIPTIONS
IA Board (Light Sensor Board) ............-. 4-1(E)
IB Board (Memory Board)...............-455 4-1(E)
5. «mB AR
Bopp, MGR se te aeshyernetencensitesacas heel eda lsielas 5-10))
Baded, BERETF TE ceccceeecceeeee corrects tere ee tee eereeeens 5-10)
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5. ADJUSTMENTS
5-1.
Preparation
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5-1(E)
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Adjustments
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5-2(E)
6. DIAGRAMS
6-1.
Semiconductors
.......
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6-2.
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6-1
6-2.
Mounting
and
Schematic
Diagrams
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6-1
7
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8-1(J)
8.
ELECTRICAL
PARTS
LIST..........
8-1(E)

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BKM- 2053-01 | D6500(6, 500° K)
BKM- 2053-02 | D6500(6, 500° K)
BKM- 2053-03 | D9300(9, 300° K)
BHRO BER (tie)
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a8: +0.0050.A
1-3. BH CASEE=Y—
BKM- 2053-01
ALK HA] FE = 9
BVM- 1310 Serial No. $“'T
BVM- 1900 Serial No. 150010, KH
BVM-1900A_ Serial No. 100012, R&
BK M- 2053-02
a-Dy SAG E=I-BLO—AMPIEKHMI I eH 7
BVM-1410P Serial No. ST
BVM- 1900 Serial No. 10101~ 15000
BVM- 2000P 7 2000PM_“ 2000AP
Serial No. ¢“T
BKM- 2053-03
BABAR t= 9 —
BVM- 1410
BVM- 2000 2000A
Serial No. $“T
Serial No. 7“T
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1-2(J)

SECTION 1
OPERATION
1-1. OUTLINE
The BKM-20853 is a probe for automatic white balance
adjustment, designed to be used with Sony color
video monitors provided with Auto Set-up System.
Standard white stored at the factory
The color temperature of standard white, 6,500°K (for
North America and Europe) or 9,300°K (for Japan), is
stored at the factory.
Memory of three desired color temperatures
Memories 1 to 3 are available for storing color
temperature data extracted from a monitor. The
stored data can be used as reference white. (Memory
life: more than 100 years)
1-2. NOTES ON VERSIONS
The BKM-2053 comes in three versions which differ
with respect to factory stored color temperature and
the phosphor chromaticity used in the monitor CRT.
Confirm the version of your BKM-2053 described on
the nameplate.
Version
BKM-2053-01 | D6500 (6,500°K) | SMPTE
BKM-2053-02 | D6500 (6,500°K)
BKM-2053-03 | D9300 (9,300°K)
Phosphor chromaticity coordinates
Phosphor
chromaticity
of the CRT
Factory-stored
color temperature
SMPTE EBU
ae ee ee
Fed 0650 [0340 |
Green |
Green | 0810 | 0.505 |
[Bue [0.85 [ore |
Error. less than +0.005
eee oe ae
fea [000 | 0.390
Error. less than +0.005
1-3. USABLE MONITORS
BKM-2053-01
Sony color video monitors available in North America
BVM-1310 Any Serial No.
BVM-1900 Serial No. 15001 or higher
BVM-1900A Serial No. 10001 or higher
BKM-2053-02
Sony color video monitors available in Europe and
North America
BVM-1410P Any Serial No.
BVM-1900 Serial No. 10101 to 15000
BVM-2000P/2000PM/2000AP
Any Serial No.
BKM-2053-03
Sony color video monitors available in Japan
BVM-1410 Any Serial No.
BVM-2000/2000A Any Serial No.
To provide the color video monitors with Auto Set-up
System, use the following auto set-up adaptors.
BVM-1310/1410P/ Auto set-up adaptor
1410 BKM-1450
Auto set-up retrofit
BKM-2051
(with the ROM version 1.1
or later*)
BVM-1900/2000P/
2000PM/2000
Auto set-up adaptor
BKM-2050
(with the ROM version 1.1
or later*)
BVM-1900A/2000AP/
2000A
* The ROM version (V1.1N, V1.1P, etc.) is indicated in thy auto set-
up main menu display.
1-1(E)

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IP. UPENMALIVIN iit
1-4. PARTS IDENTIFICATION
Mounting surface
Press to attach this surface to
the monitor screen.
The attachment time will be
shorter if the mounting surface
is not clean.
To remove the probe from the
monitor screen, pull it toward
you grasping the upper part of
the handle.
Connector (12 pin)
al Al Connect to the PROBE connector
on the monitor.
For details on automatic white balance adjustment,
refer to the operation and maintenance manual of
the BKM-1450/2050/2051 auto set-up adaptor.
1-5. SPECIFICATIONS 1-6. PACKING
Standard white Up to four memories
Factory-stored color
temperature Operation and maintenance manual
6,500°K (BKM-2053-01/02)
9,300°K (BKM-2053-03)
Three desired color
temperatures can be
stored.
Weight Approx. 580g (1 Ib 4 oz)
Operating temperature O to 40°C (82 to 104°F)
Operating humidity 10 to 85 %
Storage temperature -—10 to +60°C (—4 to 140°F)
Dimensions unit: mm (inches)
130 (51/2)
26 (11/16)
©
Nm
N
150 (96)
Accessory supplied Operation and maintenance
manual (1)
Design and specifications subject to change without
notice.
1-2(E) (1)

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SECTION 2
CIRCUIT BOARDS LOCATION
1A BOARD
[PROBE MEMORY]
IB BOARD
[LIGHT SENSOR]
I¢ BOARD
(PROBE)
2-1

3
& BORLA
SECTION 3
DISASSEMBLY
g) Remove 1A board
(0) Pull out connector
@ Remove screw
(TA,BV3x12)
Remove two PC board
fitting shafts
@) Remove two screws ay
(PSW3x8)
@) Open the bottom
case assembly in
the direction of
arrow
18
board
@)
Remove
three
screws
(TA,BV3x12)
@) Remove two PC board fitting shafts
©) Remove two screws
(PSW3x8)
3-1

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