Procedure:

1.Connect the oscilloscope to TPY1.

2.Apply a color bar signal in main and PIP (PIP on).

3.In the Serviceman Mode for making electronic adjustments, select the DAC adjustment (P03) for PIP Sub-Subcontrast so that child (PIP) level is 90% of parent (MAIN) signal (See Fig. 29)

A

Ax0.9

 

Figure 29. Waveform

Color Temperature Adjustment (B/W Tracking)

Serviceman DAC Adjust. (C00) (C01) (C02) (C04) (C05) Minor Touch-Up Method

OBSERVE low and high brightness areas of a B/W picture for proper tracking. Adjust only as required for “good gray scale and warm highlights”.

1.LOW LIGHT areas – In Serviceman Mode for making electronic adjustments, select Cutoff (C00) RED, (C01) GRN, (C02) BLU and adjust the picture for gray.

2.HIGH LIGHT areas – In Serviceman Mode for making electronic adjustments, select Drive (C04) GRN, (C05) BLU and adjust the picture for warm whites.

Complete Adjustment

Preparation:

1.Turn the Receiver “ON” and allow 10 minutes warm up at high brightness.

2.Apply a color bar signal with color “OFF”.

3.Turn the SCREEN control (part of FBT T551) fully counterclockwise.

Procedure:

Preset the following Serviceman DACs for best results:

•C0 . . . . . . . . . . . . . . 128

•C1 . . . . . . . . . . . . . . 128

•C2 . . . . . . . . . . . . . . 128

•C4 . . . . . . . . . . . . . . . 64

•C5 . . . . . . . . . . . . . . . 64

1.Connect the oscilloscope to TP37 (L-Board).

2.In Serviceman Mode for making electronic adjustment, select the Sub-Bright DAC (B02).

3.Press the R-Tune key on the remote.

4.Observe the oscilloscope waveform at Horizontal rate and adjust the Serviceman Mode Sub-Bright DAC (B02) level until a scanning period of 2.3±0.05V above DC ground is measured, as indicated in Fig. 30.

2.3±0.05V DC

0V DC

Figure 30. TP35 Waveform

5.Press the R-Tune key on the remote.

6.Connect the scope to RED Cathode (KR) on the CRT-Board.

7.In the Serviceman Mode for making electronic adjustments, select the RED CUTOFF DAC (C00).

8.Press the R-Tune key on the remote.

9.View scope trace at Horizontal rate and adjust the Serviceman Mode DAC (C00) level until a scanning period of 170±2V above DC ground is measured, as indicated in Fig. 31.

10.Press the R-Tune key on the remote.

11.Write the same C00 data to C01 and C02.

12.Press the R-Tune key on the remote.

13.Turn the Screen Control (part of FBT) slowly clockwise until a slightly color horizontal line appears.

14.Adjust DAC C01 and C02 until the horizontal line becomes white.

15.Press the R-Tune key on the Remote

170±2V DC

0V DC (Ground)

Figure 31. KR Waveform

16.In the Serviceman Mode for making electronic adjustments select the DAC DRIVE adjustments (C04) GRN, (C05) BLUE and adjust for warm white in a white color bar pattern.

17.Apply a monoscope pattern and check for a good picture.

18.EXIT the Serviceman Mode.

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Panasonic CT-32SX31CE Color Temperature Adjustment B/W Tracking, Complete Adjustment, ±0.05V DC, 170±2V DC, Ax0.9
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CT-32SX31E, CT-36SX31E, CT-32SX31CE, CT-32SX31UE, CT-36SX31CE specifications

The Panasonic CT-36SX31UE, CT-36SX31CE, CT-32SX31UE, CT-32SX31CE, and CT-36SX31E are part of Panasonic's renowned line of CRT (cathode-ray tube) televisions designed to deliver excellent picture quality and robust performance. These models are known for their advanced features, making them a popular choice for home entertainment enthusiasts.

One of the key features of these televisions is their large screen sizes, with the CT-36SX31 models boasting a striking 36-inch display. The CT-32SX31 models, while slightly smaller at 32 inches, offer an equally immersive viewing experience. The screens are designed with high-resolution capabilities that enhance color depth and clarity, allowing viewers to enjoy a lifelike picture.

Panasonic has incorporated various technologies into these models, such as the Digital Comb Filter, which significantly reduces image distortion and enhances the overall picture quality. This feature allows for clearer images with improved color accuracy, making it ideal for watching movies and sports. Additionally, the models are equipped with a 3D Y/C separation processing feature that further elevates the quality of video playback by enhancing the precision of image separation.

Audio quality is also a focal point of these models. The television sets come with built-in speakers, providing powerful sound output that complements the stunning visuals. With features like surround sound capability, viewers can enjoy an enriched audio experience that brings movies and shows to life.

Connectivity is another essential aspect of these televisions. They are equipped with multiple input options, including composite, S-Video, and component inputs. This variety allows users to connect various devices like DVD players, gaming consoles, and cable boxes, facilitating a versatile entertainment setup.

Durability and reliability are characteristic of Panasonic products, and these models are no exception. Built with quality materials, they are designed to last, ensuring that consumers receive value for their investment.

In summary, the Panasonic CT-36SX31UE, CT-36SX31CE, CT-32SX31UE, CT-32SX31CE, and CT-36SX31E are standout CRT televisions renowned for their large screens, high-resolution image quality, excellent sound output, and robust connectivity options. While CRT technology has since transitioned to flat-panel displays, these models remain a testament to Panasonic's commitment to quality and performance in home entertainment.
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