Read Sony KE-42MR1E / KE-50MR1E Service Manual online
SERVICE MANUAL
SPECIFICATIONS
KE-42MR1E/50MR1E
FLAT PANEL COLOR TV
Hong Kong Model
ME Model
MBT-MR1C
PDM-4200
PDM-5000
KE-50MR1E/KE-42MR1E
(Common Items)
(Common Items)
Media Receiver Unit (MBT-MR1C)
Power Requirement: 220V AC; 50 Hz
Power Consumption: 27W
Standby Power Consumption: 0.6W
Dimensions (w x h x d):
Power Requirement: 220V AC; 50 Hz
Power Consumption: 27W
Standby Power Consumption: 0.6W
Dimensions (w x h x d):
Approx. 430 x 105 x 360 mm
Weight:
Approx. 6.0 kg
KE-50MR1E only
Display Unit (PDM-5000)
Power Requirement: 100-240V AC; 50 Hz/
Power Requirement: 100-240V AC; 50 Hz/
60 Hz
Screen Size:50inches
Approx. 127 cm measured diagonally
Display Resolution:
1365 dots (horizontal) x 768 lines
(vertical)
(vertical)
Power Consumption: 540W
Standby Power Consumption: 0.6W
Dimensions (w x h x d):
Standby Power Consumption: 0.6W
Dimensions (w x h x d):
Approx. 1,573 x 856 x 108 mm
Weight:
Approx. 53.0 kg
KE-42MR1E only
Display Unit (PDM-4200)
Power Requirement: 100-240V AC; 50 Hz/
Power Requirement: 100-240V AC; 50 Hz/
60Hz
Screen Size:42inches
Approx. 107 cm measured
diagonally
diagonally
Display Resolution:
1024 dots (horizontal) x 768 line
(vertical)
(vertical)
Power Consumption: 460W
Standby Power Consumption: 0.6W
Dimensions (w x h x d):
Standby Power Consumption: 0.6W
Dimensions (w x h x d):
Approx. 1,352 x 720 x 102 mm
Weight:Approx. 39.0 kg
TV system:
D/K, B/G, I
Color system:
PAL, SECAM, NTSC
Channel Coverage:
VHF: E2-E12
UHF:
D/K, B/G, I
Color system:
PAL, SECAM, NTSC
Channel Coverage:
VHF: E2-E12
UHF:
E21-E69
CATV:
S1-S20
HYPER:
S21-S41
D/K:
R1-R12, R21-R69
I:
UHF B21-B69
Panel System:
Plasma Display Panel
Antenna:
Plasma Display Panel
Antenna:
75 ohm external terminal for VHF/UHF
CHASSIS
MR1
KE-42/50MR1E (HK/ME) 2
Front Terminals:
S video input (4-pin mini DIN):
Y: 1 Vp-p, 75-ohms unbalanced, sync
negative
C: 0.286 Vp-p (Burst signal), 75 ohms
video input (phono jack):
1 Vp-p, 75-ohms unbalanced, sync
negative/audio input (phono jacks):
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
Y: 1 Vp-p, 75-ohms unbalanced, sync
negative
C: 0.286 Vp-p (Burst signal), 75 ohms
video input (phono jack):
1 Vp-p, 75-ohms unbalanced, sync
negative/audio input (phono jacks):
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
i
headphones jack
PC Input (15-Dsub)
G: 0.7 Vp-p, 75 ohms, non Sync on Green
B: 0.7 Vp-p, 75 ohms, non Sync on Green
R: 0.7 Vp-p, 75 ohms, non Sync on Green
HD: 1-5
G: 0.7 Vp-p, 75 ohms, non Sync on Green
B: 0.7 Vp-p, 75 ohms, non Sync on Green
R: 0.7 Vp-p, 75 ohms, non Sync on Green
HD: 1-5
Vp-p
VD: 1-5
Vp-p
PC audio input: minijack
Memory Stick Slot
Sound Output:
15W x 2
Accessories supplied:
One Remote Control (RM-972)
Two size AAA alkaline batteries (R03 type)
One Display Interface Cable
One Coaxial Cable
One AV Mouse
Two AC power cord
One Cleaning cloth
Two size AAA alkaline batteries (R03 type)
One Display Interface Cable
One Coaxial Cable
One AV Mouse
Two AC power cord
One Cleaning cloth
Other features:
Sleep Timer
PC Input Timing:
Input signal frequency
Horizontal: 19 - 90 kHz
Vertical: 48 - 85 Hz
Maximum Resolution: 1600 dots x 1200 lines
Horizontal: 19 - 90 kHz
Vertical: 48 - 85 Hz
Maximum Resolution: 1600 dots x 1200 lines
Rear Terminals:
S video input (4-pin mini DIN):
Y: 1 Vp-p, 75-ohms unbalanced, sync
negative
C: 0.286 Vp-p (Burst signal), 75 ohms
video input (phono jack):
1 Vp-p, 75-ohms unbalanced, sync
negative/audio input (phono jacks):
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
Y: 1 Vp-p, 75-ohms unbalanced, sync
negative
C: 0.286 Vp-p (Burst signal), 75 ohms
video input (phono jack):
1 Vp-p, 75-ohms unbalanced, sync
negative/audio input (phono jacks):
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
video input (phono jack):
1 Vp-p, 75-ohms unbalanced, sync
negative/audio input (phono jacks):
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
1 Vp-p, 75-ohms unbalanced, sync
negative/audio input (phono jacks):
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
video input (phono jack):
1 Vp-p, 75-ohms unbalanced, sync
negative/audio input (phono jacks):
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
1 Vp-p, 75-ohms unbalanced, sync
negative/audio input (phono jacks):
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
Y: 1 Vp-p, 75 ohms, 0.3V negative sync
PB: 0.7 Vp-p, 75 ohms
PR: 0.7 Vp-p, 75 ohms
audio input (phono jacks)
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
PB: 0.7 Vp-p, 75 ohms
PR: 0.7 Vp-p, 75 ohms
audio input (phono jacks)
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
Y:1 Vp-p, 75 ohms, 0.3V negative sync
PB:0.7 Vp-p, 75 ohms
PR:0.7 Vp-p, 75 ohms
audio input (phono jacks)
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
PB:0.7 Vp-p, 75 ohms
PR:0.7 Vp-p, 75 ohms
audio input (phono jacks)
500 m Vrms (100% modulation),
Impedance: 47 kilo ohms
5
SUB WOOFER: phono jack
DISPLAY SIGNAL OUT:
pin jack, 1 Vp-p, 75-ohms unbalanced,
sync negative
: audio outputs (Left/Right) - phono jacks
sync negative
: audio outputs (Left/Right) - phono jacks
5
CENTER SPEAKER IN:
Max. 180W (6-ohms)
CTRL S OUT: minijack
AV MOUSE: minijack
AV MOUSE: minijack
1
2
3
4
PC
PC
5
6
KE-42/50MR1E (HK/ME) 3
SAFETY CHECK-OUT
After correcting the original service problem, perform the
following safety checks before releasing the set to the customer:
1. Check the area of your repair for unsoldered or poorly-sol-
following safety checks before releasing the set to the customer:
1. Check the area of your repair for unsoldered or poorly-sol-
dered connections. Check the entire board surface for solder
splashes and bridges.
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 cer-
tain that you have replaced all the insulators.
tain that you have replaced all the insulators.
4. Look for unauthorized replacement parts, particularly transis-
tors, that were installed during a previous repair. Point them
out to the customer and recommend their replacement.
out to the customer and recommend their replacement.
5. Look for parts which, though functioning, show obvious signs
of deterioration. Point them out to the customer and recom-
mend their replacement.
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 antenna terminals, metal trim, “metallized” knobs,
screws, and all other exposed metal parts for AC Leakage.
Check leakage as described right.
Check leakage as described right.
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 0.5 mA (500 microamperes).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes).
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 use these
instruments.
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” indica-
tion is 0.75 V, so analog meters must have an accurate low-
voltage scale. The Simpson 250 and Sanwa SH-63Trd are ex-
amples of a passive VOMs that are suitable. Nearly all battery
operated digital multimeters that have a 2 V AC range are suit-
able. (See Fig. A)
tion is 0.75 V, so analog meters must have an accurate low-
voltage scale. The Simpson 250 and Sanwa SH-63Trd are ex-
amples of a passive VOMs that are suitable. Nearly all battery
operated digital multimeters that have a 2 V AC range are suit-
able. (See Fig. A)
Fig. A. Using an AC voltmeter to check AC leakage.
1.5 k
Ω
0.15
µ
F
AC
Voltmeter
(0.75 V)
Voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Parts on Set
Earth Ground
WARNING!!
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
!
ON THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS
AND IN THE PARTS LIST ARE CRITICAL FOR SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE
CRITICAL FOR SAFE OPERATION ARE IDENTIFIED IN
THIS MANUAL. FOLLOW THESE PROCEDURES WHEN-
EVER CRITICAL COMPONENTS ARE REPLACED OR
IMPROPER OPERATION IS SUSPECTED.
AND IN THE PARTS LIST ARE CRITICAL FOR SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE
CRITICAL FOR SAFE OPERATION ARE IDENTIFIED IN
THIS MANUAL. FOLLOW THESE PROCEDURES WHEN-
EVER CRITICAL COMPONENTS ARE REPLACED OR
IMPROPER OPERATION IS SUSPECTED.
AVERTISSEMENT!!
ATTENTION AUX COMPOSANTS RELATIFS À LA
SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE TRAME ET
UNE MARQUE ! SONT CRITIQUES POUR LA
SÉCURITÉ. NE LES REMPLACER QUE PAR UNE
PIÈCE PORTANT LE NUMÉRO SPECIFIÉ. LES
RÉGLAGES DE CIRCUIT DONT L’IMPORTANCE EST
CRITIQUE POUR LA SÉCURITÉ DU
FONCTIONNEMENT SONT IDENTIFIÉS DANS LE
PRÉSENT MANUEL. SUIVRE CES PROCÉDURES
LORS DE CHAQUE REMPLACEMENT DE
COMPOSANTS CRITIQUES, OU LORSQU’UN MAUVAIS
FONCTIONNEMENT EST SUSPECTÉ.
SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE TRAME ET
UNE MARQUE ! SONT CRITIQUES POUR LA
SÉCURITÉ. NE LES REMPLACER QUE PAR UNE
PIÈCE PORTANT LE NUMÉRO SPECIFIÉ. LES
RÉGLAGES DE CIRCUIT DONT L’IMPORTANCE EST
CRITIQUE POUR LA SÉCURITÉ DU
FONCTIONNEMENT SONT IDENTIFIÉS DANS LE
PRÉSENT MANUEL. SUIVRE CES PROCÉDURES
LORS DE CHAQUE REMPLACEMENT DE
COMPOSANTS CRITIQUES, OU LORSQU’UN MAUVAIS
FONCTIONNEMENT EST SUSPECTÉ.
KE-42/50MR1E (HK/ME) 4
DIAGNOSIS
(Reliability Self Diagnostic Display Specifications for MEDIA RECEIVER)
(Reliability Self Diagnostic Display Specifications for MEDIA RECEIVER)
1) *Operation count is based on WDT.
*For flashes, the Power/Standby LED flashes in red.
*The flash period is based on the reliability standard.
*The flash period is based on the reliability standard.
The abnormal conditions are indicated by the following LED flashes.
Flash Count Error Display Name Error Description
Oprating Detection
Port
4
Fan Error
Error detected for
Detects Low when fan
IC6200 pin #2
fan box
function normally.
Detects High when Fan stops
abnormally.
Detects High when Fan stops
abnormally.
8
Digtal OVP
OVP for DD Con- Detects High when normal.
IC5210 pin #49
verter on DP board Detects Low when abnormal.
9
Panel Error
Panel malfunction Detects during communication
detected with
detected with
panel.
Repair part
•
FAN
•
FAN CONNECTOR
•
SET 11V LINE
•
SET 5V LINE
DP board
•
Q1612, Q1613, Q1614
Panel Display Unit
The abnormal conditions are indicated by the following LED flashes.
Flash Count Error Display Name Error Description
Oprating Detection
Port
4
Fan Error
Error detected for
Detects Low when fan
IC6200 pin #2
fan box
function normally.
Detects High when Fan stops
abnormally.
Detects High when Fan stops
abnormally.
8
Digtal OVP
OVP for DD Con- Detects High when normal.
IC5210 pin #49
verter on DP board Detects Low when abnormal.
9
Panel Error
Panel malfunction Detects during communication
detected with
detected with
panel.
*A failure part can be expected by the number of times of blink of LED.
*When two failures occur, the failure item generated previously is detected.
*When failure occurs simultaneously, an item with little number of times of blink is detected.
*In other than “Fan Error”, the unit is in standby state and blink LED at intervals of regulation.
*When two failures occur, the failure item generated previously is detected.
*When failure occurs simultaneously, an item with little number of times of blink is detected.
*In other than “Fan Error”, the unit is in standby state and blink LED at intervals of regulation.
In “Fan Error”, the unit is in a standby state after display for 1 minute about the message of “Fan problem –
Powering down”
Powering down”
every about 0.3s
about 3s
• Timing of LED blink (example of 4 times blink)
ON
OFF
In the following case, POWER LED of Media Receiver Box blinks at a fixed interval in ORANGE
•
When the cable which connects between Media Receiver Box and Panel Display has fallen out.
•
When the AC code for Panel Display has fallen out.
In the following case, POWER LED of Panel Display blinks at a fixed interval in ORANGE
•
When the cable which connects between Media Receiver Box and Panel Display has fallen out.
•
When the AC code for Media Receiver Box has fallen out.
2)
The example which judges whether it is failure
•
POWER LED of Media Receiver Box: Blink 9 times in RED, and of Panel Display blink,
and No picture or Power circuit does not work
→
Large possibility that Panel Display is out of order.
•
When turn on Media Receiver Box, and NO LED of Box shine
•
When NO Blue LED of Box shine
→
Large possibility that Media Receiver Box is out of order.
Check SET5V or IIC line on H1 board.
•
When turn on Media Receiver Box, and Fan does not work
→
Large possibility that Media Receiver Box is out of order
3)
→
Large possibility that Media Receiver Box is out of order.
