Sony KE-MR42M1 User manual

No. DATA CONTENTS
1
2004. 7 S.5 EXPLODED VIEWS totally revised due to addition of PDM-4200/5000
doubllscan display panel.
MODEL NAME : KE-MR42M1/MR50M1
SERVICE MANUAL
PARTS No. : 9-978-764-02
MODIFICATION HISTORY
* Blue characters are linking.
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SERVICE MANUAL
SPECIFICATIONS
MR1 CHASSIS
KE-MR42M1/MR50M1
FLAT PANEL COLOR TELEVISION
Chinese Model
Media Receiver Unit (MBT-MR1C)
KE-MR42M1/MR50M1 (Common Items)
KE-MR42M1 only
Power Requirement: 220 V AC; 50 Hz
Power Consumption: 27 W
Standby Power Consumption: 0.6 W (power switch off)
Dimensions (w x h x d):
Approx. 430 x 105 x 360 mm
Weight: Approx. 6 kg
Display Unit (PDM-4200)
Power Requirement: 100-240V AC; 50/60 Hz
Screen Size: 42inches
Approx. 107 cm measured
diagonally
Display Resolution:
1024 dots (horizontal) x 768 lines
(vertical)
Power Consumption: 460 W
Standby Power Consumption: 0.6W
Dimensions (w x h x d):
Approx. 1,352 x 720 x 102 mm
Weight: Approx. 39 kg
Panel System:
Plasma Display Panel
TV system:
D/K, B/G, I
Colour system:
PAL, NTSC, SECAM
Aerial:
75 ohm external terminal for VHF/UHF
Channel Coverage:
VHF: C1-C12
UHF: C13-C57
CATV: Z1-Z39
Display Unit (PDM-5000)
KE-MR50M1 only
Power Requirement: 100-240V AC; 50/60 Hz
Screen Size: 50inches
Approx. 127 cm measured
diagonally
Display Resolution:
1365 dots (horizontal) x 768 lines
(vertical)
Power Consumption: 540W
Standby Power Consumption: 0.6W
Dimensions (w x h x d):
Approx. 1,573 x 856 x 108 mm
Weight: Approx. 53 kg
MBT-MR1C PDM-4200/5000
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KE-MR42/50M1(CH) 2
Rear Terminals:
5
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
SUB WOOFER: phono jack
: audio outputs (Left/Right) - phono jacks
CENTRE SPEAKER IN:
Max. 180W (6-ohms)
CTRL S: minijack
AV MOUSE: minijack
5
55
5
5
55
5
1
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
2
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
3
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
4
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
Front Terminals:
6
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
headphones jack
PC
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 Vp-p
VD: 1-5 Vp-p
PC
PC audio input: minijack
Memory Stick Slot
Sound Output:
15W x 2
Accessories supplied:
• One Remote Controller (RM-972)
• Two size AAA batteries (R03 type)
• One Display Interface Cable
• One Coaxial Cable
• One AV Mouse
i
• One Cleaning cloth
• One Mains plug holder
Other features:
• Sleep Timer
PC Input Timing:
Input signal frequency
Horizontal: 15.6 - 90 kHz
Vertical: 48 - 85 Hz
Maximum Resolution: 1600 dots x 1200 lines
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KE-MR42/50M1(CH) 3
DIAGNOSIS (Reliability Self Diagnostic Display Specifications for MEDIA RECEIVER)
The abnormal conditions are indicated by the following LED flashes.
LED Status MEDIABOX PANEL
POWER/STBY • ⇔ • flashes alternately -PANEL ALARM
(Not available for re-start)
Flashes (1Hz) - Defective for cable connection
•Flashes four times - Defective for power voltage of fan,
fan protection
•Flashes six times +3.3V malfunction Power protection on G board detected
•Flashes nine times PANEL malfunction -
TIMER Flashes (1Hz) Defective for cable -
connection
This unit has the following self diagnostic function. Refer to this table to
identify a defective point in case of any malfunction.
Problem Symptom
Mediabox Digital 3.3V malfunction Shut down when Digital 3.3V becomes equal or under 0V.
Defective for cable The both White and Black interface cables are not connected
connection with the panel.
Panel PANEL ALARM
Defective for cable The both White and Black interface cables are not connected
connection with the MEDIABOX.
Fan malfunction
Power protector operation
*Operation count is based on WDT.
*For flashes, the Power/Standby LED flashes in red.
*The flash period is based on the reliability standard.
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KE-MR42/50M1(CH) 4
1. DISASSEMBLY ............................................................. 1-1
1-1. Display Unit (PDM-4200/5000) ............................................. 1-1
1-1-1. Rear Cover Removal .................................................. 1-1
1-1-2. K and F Boards Removal ........................................... 1-2
1-1-3. P Board Removal ....................................................... 1-3
1-1-4. G and F2 Boards Removal ......................................... 1-4
1-1-5. R1 Board Removal ..................................................... 1-5
1-1-6. R2 Board Removal ..................................................... 1-6
1-2. Media Receiver Unit (MBT-MR1C) ....................................... 1-7
1-2-1. Panel and Covers Removal ........................................ 1-7
1-2-2. G2, A, and MS Boards Removal ............................... 1-8
1-2-3. TU Board Removal .................................................... 1-9
1-2-4. U Board Removal ...................................................... 1-10
1-2-5. H2 Board Removal ..................................................... 1-11
1-2-6. H5 Board Removal .................................................... 1-12
1-2-7. MSX Board Removal ................................................. 1-13
1-2-8. H1 Board Removal .................................................... 1-14
1-2-9. H4 Board Removal ..................................................... 1-15
2. ADJUSTMENTS ............................................................ 2-1
2-1. Readjustment of A/D Converter and Video Coder
Calibration (MBT-MR1C) ...................................................... 2-1
2-1-1. Adjustment Preparation .............................................. 2-1
2-1-2. AD Adjustment of RGB System ................................ 2-1
TABLE OF CONTENTS
Section Title Page Section Title Page
2-1-3. AD Adjustment of Component (other 15k)
System ........................................................................ 2-1
2-1-4. AD Adjustment of CVBS Video (NTSC)
System ........................................................................ 2-2
2-1-5. AD Adjustment of CVBS Video (PAL)
System ........................................................................ 2-3
2-1-6. AD Adjustment of CVBS Video (PAL 60)
System ........................................................................ 2-3
2-1-7. AD Adjustment of YC Video (NTSC)
System ........................................................................ 2-4
2-1-8. AD Adjustment of YC Video (PAL)
System ........................................................................ 2-5
2-1-9. AD Adjustment of YC Video (PAL 60)
System ........................................................................ 2-5
2-1-10. AD Adjustment of Component (15k)
System ........................................................................ 2-6
2-2. VS, VD Voltage Adjustment (PDM-4200/5000) .................... 2-7
2-3. White Balance Adjustment (PDM-4200/5000) ....................... 2-8
3. TROUBLESHOOTING ................................................. 3-1
3-1. Display Unit (PDM-4200/5000) .............................................. 3-1
3-2. Media Receiver Unit (MBT-MR1C) ....................................... 3-2
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KE-MR42/50M1(CH) 5
Section Title Page Section Title Page
4. DIAGRAMS .................................................................... 4-1
4-1. Block Diagrams ....................................................................... 4-1
4-1-1. Display Unit(PDM-4200/5000) ................................. 4-1
4-1-2. Media Receiver Unit (MBT-MR1C) ......................... 4-6
4-2 Frame Diagram ........................................................................ 4-15
4-3. Circuit Boards Location .......................................................... 4-16
4-3-1. Display Unit(PDM-4200/5000) ................................. 4-16
4-3-2. Media Receiver Unit (MBT-MR1C) .......................... 4-16
4-4. Schematic Diagrams and Printed WiringBoards ..................... 4-16
4-4-1. Display Unit(PDM-4200/5000) ................................. 4-17
(1) Schematic Diagram of F Board ....................................... 4-17
(2) Schematic Diagram of F2 Board ..................................... 4-19
(3) Schematic Diagrams of G Board .................................... 4-20
(4) Schematic Diagram of K Board ...................................... 4-24
(5) Schematic Diagrams of P Board ...................................... 4-26
(6) Schematic Diagrams of R1 amd R2 Boards ................... 4-31
4-4-2. Media Receiver Unit (MBT-MR1C) .......................... 4-32
(1) Schematic Diagrams of A Board .................................... 4-32
(2) Schematic Diagram of G2 Board .................................... 4-45
(3) Schematic Diagram of H1 Board .................................... 4-47
(4) Schematic Diagram of H2 Board .................................... 4-49
(5) Schematic Diagrams of H4 and H5 Boards .................... 4-51
(6) Schematic Diagrams of MS Board ................................. 4-52
(7) Schematic Diagram of MSX Board ................................ 4-56
(8) Schematic Diagrams of TU Board .................................. 4-57
(9) Schematic Diagrams of U Board .................................... 4-60
4-5. Semiconductor ......................................................................... 4-63
5. EXPLODED VIEWS ..................................................... 5-1
5-1. Display Unit (PDM-4200 Singlescan) .................................... 5-2
5-2. Display Unit (PDM-4200 Doublescan) ................................... 5-4
5-3. Display Unit (PDM-5000 Singlescan/Doublescan)................. 5-6
5-4. Media Receiver Unit (MBT-MR1C) ...................................... 5-9
5-5. Packig Materials for Display Unit ( PDM-4200) ....................... 5-11
5-6. Packig Materials for Display Unit ( PDM-5000) ....................... 5-12
5-7. Packig Materials for Media Receiver Unit ( MBT-MR1C) ......... 5-13
6. ELECTRICAL PARTS LIST ...................................... 6-1
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KE-MR42/50M1(CH) 1-1
SECTION 1
DISASSEMBLY
1-1. PANEL UNIT (PDM-4200/5000)
1-1-1. REAR COVER REMOVAL
4Rear cover assy
1Eight screws
(+PSW 5X16)
2Three screws
(+PSW 3X8)
3Ten screws
(+BVTP 4X16)
3Ten screws
(+BVTP 4X16)
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KE-MR42/50M1(CH) 1-2
1-1-2. K AND F BOARDS REMOVAL
3Four screws
(+PSW 3X8)
1Two screws
(+PSW 3X8)
2F Board
4K Board
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KE-MR42/50M1(CH) 1-3
1-1-3. P BOARD REMOVAL
3Four screws
(+PSW 3X8)
4P Board
1Two connector screws
2Two screws
(M2.6 S HEAD)
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KE-MR42/50M1(CH) 1-4
1-1-4. G AND F2 BOARDS REMOVAL
3Three screws
(+BVTP 3X12)
4F2 Board
1Seven screws
(+BVTP 3X12)
2G Board
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KE-MR42/50M1(CH) 1-5
1-1-5. R1 BOARD REMOVAL
1Two screws
(+BVTP 4X16)
2Filter bracket (V) assy
3Three screws
(+BVTP 3X10)
Earth plate
4R1 Board
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KE-MR42/50M1(CH) 1-6
1-1-6. R2 BOARD REMOVAL
7R2 Board
1Four screws
(+BVTP 4X16)
1Four screws
(+BVTP 4X16)
2Four screws
(+PSW 5X16)
2Four screws
(+PSW 5X16)
3PANEL assy
4Two screws
(+BVTP 4X16)
5Filter bracket (H) assy
6Two screws
(+BVTP 3X10)
Earth plate
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KE-MR42/50M1(CH) 1-7
1-2. MEDIA RECEIVER UNIT (MBT-MR1C)
1-2-1. PANEL AND COVERS REMOVAL
1Two screws
(M3, SW)
6Two screws
(M3, SW)
0Rear panel
7Bottom cover assy
!¡ Front panel assy
1Two screws
(M3, SW)
3Eight screws
(Precision)
5Screw
(+PSW 4X8)
3Nine screws
(Precision)
2Top cover
4Top plate
9Two screws
(M3, SW)
8Two Connector screws
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KE-MR42/50M1(CH) 1-8
1-2-2. G2, A, AND MS BOARDS REMOVAL
1Three screws
(+BVTT 3X8)
3Five screws
(M 3X8)
5Four screws
(M 3X8)
6G2 Board
2MS Board
4A Board
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KE-MR42/50M1(CH) 1-9
1-2-3. TU BOARD REMOVAL
1Screw
(M 3X8)
2Four screws
(M 3X8)
3TU Board
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KE-MR42/50M1(CH) 1-10
1-2-4. U BOARD REMOVAL
2Five screws
(+BVTP 3X12)
1Screw
(+P 3X12)
1Screw
(+P 3X12)
2Four screws
(+BVTP 3X12)
4U Board
Rear panel
3Two connector screws
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KE-MR42/50M1(CH) 1-11
1-2-5. H2 BOARD REMOVAL
1Three screws
(M 3X8)
3H2 Board
2Two connector screws
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KE-MR42/50M1(CH) 1-12
1-2-6. H5 BOARD REMOVAL
1Five screws
(+BVTP 3X10)
2H5 Board
Front panel
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KE-MR42/50M1(CH) 1-13
1-2-7. MSX BOARD REMOVAL
3Two screws
(+BVTP 3X10)
1Two screws
(+BVTP 3X12)
4MSX Board
2MS bracket
Front panel
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KE-MR42/50M1(CH) 1-14
1-2-8. H1 BOARD REMOVAL
1Two screws
(+BVTP 3X10)
2H1 Board
1Two screws
(+BVTP 3X10)
Front panel
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