Panasonic PT-51D31CE Service Manual

Color video projection system

Hide thumbs

page of 18

/ 18
Bookmarks

Quick Links

Download this manual

Service Manual

This Simplified Service Manual is issued to add listed model to the Main Service Manual order No. MTNC010307C1

(PT-51G36E). A full set of schematics, disassembly procedures, and a complete parts list are included in this Simplified

Manual. Please file and use this manual together with Main Service Manual, order No. MTNC010307C1 (PT-51G36E).

"WARNING! This Service Manual is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.

Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to

service or repair the product or products dealt with in this Service Manual by anyone else could result in serious injury or death."

The service technician is required to read and follow the "Safety Precautions" and "Important Safety Notice" in this Manual.

Color Video Projection System

Simplified Manual

Panasonic

Models

PT-51D31CE

PT-61D31CE

Note: Refer to Technical Guide (P6) for

functional descriptions and Block Diagrams.

(MTNC010308G1).

and distribution is a violation of law.

ORDER NO. MTNC010420A1

Chassis

AP821

Need help?

Do you have a question about the PT-51D31CE and is the answer not in the manual?

Questions and answers

Summary of Contents for Panasonic PT-51D31CE

Page 1: Service Manual
ORDER NO. MTNC010420A1 Service Manual Color Video Projection System Simplified Manual Panasonic Models Chassis PT-51D31CE AP821 PT-61D31CE AP821 Note: Refer to Technical Guide (P6) for functional descriptions and Block Diagrams. (MTNC010308G1). This Simplified Service Manual is issued to add listed model to the Main Service Manual order No. MTNC010307C1 (PT-51G36E).
Page 2: Service Mode (Electronic Controls)
Service Mode (Electronic Controls) This PTV has electronic technology using the I²C Bus 8. “CHK” = Normal operation of CHANNEL Concept. It performs as a control function and it and VOLUME replaces many mechanical controls. Instead of adjusting mechanical controls individually, many of the control functions are now performed by using “On 32 B 0 215 C 0...
Page 3 Adj. Default Note: Registers marked as FIXED are factory preset. Service Adjustment Range Level The default value must not be changed. G CutOff (Video) FIXED Important Note: B CutOff (Video) FIXED Write down the original values (“b” in the G Drive (Video) FIXED adjustment mode details, Fig.
Page 4 P Items: PIP Adjustments X Option Items Adj. Default Adj. Default Service Adjustment Service Adjustment Range Level Range Level PIP Color FIXED Clip Level FIXED PIP Tint FIXED Correct Gain ---- ---- PIP Brightness 0 ~ 31 Limit Level FIXED PIP Contrast 0 ~ 127 Core Level...
Page 5 Contrast Adjustment Adj. Default Service Adjustment Preparation: Range Level 1. Set Auto Color and AI Picture to “OFF”. 2. Set the following in the user picture menu as User Static Data FIXED (Horizon, Blue) follows: COLOR: min. (0) Test Pattern Horizontal FIXED PICTURE: max (63) Phase (LOW)
Page 6 Red, Green & Blue Screen Cutoff MTS Circuit Adjustments 1. Use either a no input signal condition or raster from Note: It is important to adjust the MTS circuit in the the NTSC generator. order shown below. 2. Observing the green tube directly or via a reflective surface, adjust the VR on the green tube for The MTS Circuit Adjustments require two steps: minimum noise.
Page 7 PIP Adjustment (TPY2) Note: Set the 30% modulation with the Pilot Light Preparation: and N.R. switches “OFF” then turn them “ON” 1. Apply a color bar pattern. while testing. 2. Connect scope to connector A20 pin 2 on A-Board or connector Y1 pin 2 (TPY2) on Y-Board. 5.
Page 8 ALL MODELS A-Board Schematic, Left Portion - 32 -...
Page 9 A-Board Schematic & Waveforms ALL MODELS A-Board A-Board IC451 Pin 2 - 67.2V Q501 COLLECTOR - 188V WAVEFORMS V-OUT H-DRIVE - 33 -...
Page 10 P-Board Schematic, Left Portion ALL MODELS - 34 -...
Page 11 P-Board Schematic & Voltages ALL MODELS P-Board Voltage Measurements (IC & Transistors) IC802 IC832 IC801 ..141.20 ..11.47 ..1.56 ..10.38 ..0.00 .
Page 12 X-Board Schematic, Left Portion ALL MODELS - 36 -...
Page 13 X- Board Schematic, Right Portion & Voltages ALL MODELS X-Board Voltage Measurements (ICs & Transistors) IC001 IC101 ..4.72 ..4.78 ..4.14 ..3.90 .
Page 14 K, G & R Board Schematics & Layouts ALL MODELS K-Board Schematic G-Board Schematic R-Board Schematic R-Board Layout K-Board Layout G-Board Layout - 40 -...
Page 15 LB-Board Schematic, Layout & Voltages ALL MODELS LB-Board Voltage Measurements Q393 Q394 Q395 Q396 Q397 Q959 11.98 168.30 166.90 167.80 8.13 131.40 167.10 216.80 1.09 8.66 1.46 71.30 0.00 167.90 167.80 167.80 8.39 132.10 Q960 Q961 Q964 Q3341 Q3342 Q3391 9.54 139.90 0.90...
Page 16 LG-Board Schematic, Layout & Voltages ALL MODELS LG-Board Voltage Measurements Q373 Q374 Q375 Q376 Q377 11.98 176.30 175.10 175.90 8.11 175.10 216.60 1.25 8.64 1.54 11.46 176.00 175.90 175.70 8.34 Q934 Q935 Q936 Q937 IC3371 ..19.01 7.43 7.43 8.07...
Page 17 LR-Board Schematic, Layout & Voltages ALL MODELS LR-Board Voltage Measurements Q350 Q351 Q353 Q354 Q355 0.00 0.61 11.98 174.50 173.20 215.30 0.00 173.20 217.20 0.74 0.00 0.00 11.45 174.10 174.00 Q356 Q357 Q957 Q958 Q3351 174.10 8.10 131.40 9.65 3.16 8.50 1.61 71.70...
Page 18 Y-Board Schematic, Layout & Voltages ALL MODELS Y-Board Voltage Measurements (IC & Transistors) IC1801 Q1801 Q1802 Q1803 ..0.00 ..3.23 0.00 3.39 3.34 ..1.52 ..3.23 4.08 2.84 2.78...

This manual is also suitable for:

Pt-61d31ce