Sony (BA-5) KV-32FS13

# Sony (BA-5) KV-32FS13 CRT RGB mod

The Sony KV-32FS13 is a 32" FD Trinitron WEGA CRT television. Renowned for its flat-screen aperture grille technology, it delivers vivid colors and sharp pictures.

This set is RGB moddable.

View full CRT details and more mod examples →open in new window

This guide should also work for the below models:

• KV-32FS13
• KV-32FS17
• KV-34FS17

# Table of Contents

# Contributors

Thank you to everyone who contributed to this guide:

• manadreamopen in new window — showcase author
• Mike Morisetteopen in new window — contributor, CRT specs from CRT Database.
• CyTsune — contributor, RGB mod and pictures

# CRT safety

READ THIS BEFORE CONTINUING

# Plan of attack

READ THIS TO PREPARE

# Manuals and Datasheets

• Sony KV-32FS13 Service Manualopen in new window

# Specs

• Manufactured: Mexico (2001)
• Format: NTSC
• Chassis: BA-5
• Tube: Sony FD Trinitron A80LPD50X
• Jungle Chip: Sony CXA2154AS
• OSD Chip: M372280MK-114SP
• Screen Size: 32"
• Power: 195 W
• Weight: 163 lbs
• Inputs: Composite, S-Video, RF, Component YPbPr

# Schematics

# Calculating the RGB external resistor value

Formula from our theory page!

RGB external resistor value = 0.7 x (6800 + 75) - (75 x 5) / (5 - 0.7) = (4812 - 375) / 4.3 = 1030 ohm

~ 1 Kohm resistors should do the job.

# RGB mux diagram

Prepare the mux diagram. If you are building your own circuit, this diagram should help.

# Performing the mod

Now that you roughly know what needs to be done, prepare for the mod. Place the board on a comfortable place. Make sure you are not putting pressure on the flyback or other components.

# STEP 1: Remove the following components

Most of the mod will happen on the MA board.

Remove the following components. RGB resistors to the ground. Measure twice and mark before you remove.

• R086 (680Ω)
• R087 (680Ω)
• R088 (680Ω)

Note: there can be slight differences in the board layout depending on the CRT revision.

# STEP 2: Connect RGBs, Blanking and Audio

See picture above to see where blanking should be connected.

Let's remove the jumpers JW343, JW343, JW341 and replace with 3 1N4148 diodes. Pay attention to the direction of the diodes. There is a black bar indicating which way the current flows. This helps reduce feedback noise and voltage going back into the OSD.

Then attach the R, G, B wires to the respective legs of the diodes. Wires should be attached to the side closer to the jungle chip.

Blanking wire should be attached as seen on the picture below.

Sync wire (yellow) should be connected directly to the s-video Y pin. Ground wire (purple) should be connected to the ground.

Black wire is for ground. Orange and purple wires are auxillary wires, you can connect them to ground or leave them floating.

Audio wiring can go below the board. Connect audio left (white) and audio right (grey) as seen in the pics below.

# STEP 3: Build your mux board

This mod uses the RGB mux board. This is optional, but will make your mod easier and stable. You can also create the circuit presented in the schematics above without the board. Please also checkout the mux calculatoropen in new window to play with your own values.

Compatible mux boards:

• RGB MUX BOARD KIT 1.4Copen in new window
• RGB MUX BOARD KIT 1.4Bopen in new window

Buy your RGB mux board kit

You have to be strategic about the board placement. Sony KV-20FV12 has tight spacing with flyback and the audio board on the way.

Buy your RGB mux board

It is recommended to use the Rev C mini board for this CRT with the straight SCART connector. Rev B board can be used, if the spacing is carefully planned.

# STEP 4: Attach the female SCART connector to TV

Creating a SCART cutout and mounting it is an art. I have a dedicated section for it.

How to create and mount a SCART female plug?

# Getting into the service menu

• Turn the set on and then put into standby
• Press the Display, 5, VOL + buttons in sequence
• Turn on the CRT and you should be in service mode
• Use buttons "1" and "4" on the remote control to navigate the service menu
• Use buttons "3" and "6" to adjust the selected data

# Pictures

# Photos by manadreamopen in new window

This guide will cover how to RGB SCART mod the 32" Sony KV32-FS13. RGB Modding this CRT isn't too difficult, the hardest part is making the RGB SCART hole for the port imo.

# Reference Photos

See more photos and contributions →open in new window