Sony P-3 S-Video Chroma Isolator v1.0
author: KPackLabs
2 layer board of 4.45 x 1.40 inches (113.0 x 35.6 mm)
Uploaded:
November 15, 2024
Shared:
November 16, 2024
Total Price:
$31.10
An optocoupler PCB designed for S-Video mods for Sony CRT TVs utilizing the P-3 chassis (CX20193 or CXA1013 jungle chip). Because these TVs have a hot chassis, an optocoupler should be used to isolate the Chroma input from the hot ground.
Bill-of-Materials:
- C1 and C4: 0.01-1uF 50V Ceramic or Electrolytic Capacitors
- C2: 0.022uF 50V Ceramic Capacitor
- C3: 10uF 25V+ Electrolytic Capacitor
- D1: 9V 500mW Zener Diode
- Q1, Q2, and Q3: BC550 NPN Transistors (EBC Pinout)
- J1, J2, and J4: 2-pin 2.50mm Pitch JST Connectors
- J3: 3-pin 2.50mm Pitch JST Connector
- J5: 4-pin 2.50mm Pitch JST Connector
- R1: 15K ohm Resistor
- R2: 470 ohm Resistor
- R3: 3.8K ohm Resistor
- R4: 75 ohm Resistor
- R5: 3.3-6.8 ohm Flameproof Resistor (Value may vary by TV.)
- R6 and R8: 100 ohm Resistors
- R7: 4.7K ohm Resistor
- R9: 10K ohm Resistor
- R10 and R11: 1K ohm Resistors
- U1: 6N136 or SFH6136 Optocoupler IC
An optocoupler PCB designed for S-Video mods for Sony CRT TVs utilizing the P-3 chassis (CX20193 or CXA1013 jungle chip). Because these TVs have a hot chassis, an optocoupler should be used to isolate the Chroma input from the hot ground.
Bill-of-Materials:
- C1 and C4: 0.01-1uF 50V Ceramic or Electrolytic Capacitors
- C2: 0.022uF 50V Ceramic Capacitor
- C3: 10uF 25V+ Electrolytic Capacitor
- D1: 9V 500mW Zener Diode
- Q1, Q2, and Q3: BC550 NPN Transistors (EBC Pinout)
- J1, J2, and J4: 2-pin 2.50mm Pitch JST Connectors
- J3: 3-pin 2.50mm Pitch JST Connector
- J5: 4-pin 2.50mm Pitch JST Connector
- R1: 15K ohm Resistor
- R2: 470 ohm Resistor
- R3: 3.8K ohm Resistor
- R4: 75 ohm Resistor
- R5: 3.3-6.8 ohm Flameproof Resistor (Value may vary by TV.)
- R6 and R8: 100 ohm Resistors
- R7: 4.7K ohm Resistor
- R9: 10K ohm Resistor
- R10 and R11: 1K ohm Resistors
- U1: 6N136 or SFH6136 Optocoupler IC
