Panasonic Z-421V Manuals

Manuals and User Guides for Panasonic Z-421V. We have 1 Panasonic Z-421V manual available for free PDF download: Technical Manual

Panasonic Z-421V Technical Manual

Panasonic Z-421V Technical Manual (47 pages)

Colour Television Circuit Description

Brand: Panasonic | Category: Chassis | Size: 0.36 MB

Table of Contents

Table of Contents
2
1 Circuit Description

3
- Small Signal Part
  3
  - Tuner and if Output Tuner
    3
  - Vision if
    3
  - Sound
    8
  - Horizontal and Vertical Synchronization
    10
  - Luminance and Chrominance Signal Processing
    13
  - Color Decoder
    15
  - AFC - Tuning - ATS
    18
- Digital Control Signals
  20
  - 1-3-1 Local Keyboard
    20
  - 1-3-2 IR Remote Control Code
    20
  - C Bus
    22
- Horizontal Deflection - Fbt
  24
  - General Description
    24
  - Horizontal Deflection
    24
- Vertical Deflection
  29
  - Z-421 Circuit
    29
  - Drive Circuit Part
    30
- Video Amplifier and Abs
  32
  - Video Output Amplification
    32
  - ABS Operation
    34
  - Beam Current Limiter
    35
  - Euro-Scart
    36
- Power Supply Str-S5707
  37
  - Vin Terminal, Start-Up Circuit
    37
  - Oscillator, F/B Terminal Voltage (Pin 7)
    37
  - Function of INH Terminal (Pin 6), Control of Off-Time
    37
  - Drive Circuit
    37
  - OCP Function
    37
  - Latch Circuit
    38
  - Thermal Shutdown Circuit
    38
  - Over-Voltage Protection Circuit
    38
  - Stand-By Mode TOP210
    38
  - CONTROL PIN (Pin4)
    38
2 Vcr Part

39
- Key Features of Video IC and Its Relatives
  39
- Record and Playback Processing Circuit
  40
  - Record Processing
    40
  - Playback Processing
    43
  - Audio Signal Processing (La71511M)
    46

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