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MARANTZ CB140
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of MARANTZ CB140 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Table of Contents
    • TECHNICAL SPECIFICATIONS
    1. CIRCUIT DESCRIPTION
      1. PLL SYNTHESIZER
        1. FUNCTIONS OF PLL SYNTHESIZER
        2. OPERATION OF PLL SYNTHESIZER
      2. TRANSMITTER SECTION
        1. MIX
        2. RF POWER AMPS
        3. MODULATOR
        4. MIC AMP & LIMITER
        5. INHIBIT SW & DC AMP
      3. RECEIVER SECTION
        1. RF AMP & 1ST MIX
        2. 2ND MIX
        3. 2ND IF AMP & AM DET
        4. AF AMP
        5. SQUELCH
        6. ANL
      4. 7 - LED S/RF READOUT CIRCUIT
        1. OPERATION AS S INDICATOR
        2. OPERATION AS RF POWER INDICATOR
    2. ALIGNMENT INSTRUCTIONS
      1. LIST OF ALIGNMENT INSTRUMENTS
      2. CRYSTAL OSCILLATOR ALIGNMENT
        1. ADJUSTING THE 2ND LOCAL OSC
        2. ADJUSTING THE TX OFFSET OSC
        3. ADJUSTING THE PLL LOCAL OSC
      3. PLL SYNTHESIZER ALIGNMENT
        1. ADJUSTING THE VCO
        2. ADJUSTING THE OUTPUT LEVEL
      4. TRANSMITTER SECTION ALIGNMENT
        1. ADJUSTING THE TX POWER STAGES
        2. ADJUSTING THE MIC AMP
      5. RECEIVER SECTION ALIGNMENT
        1. ADJUSTING THE AGC VOLTAGE
        2. ADJUSTING THE SENSITIVITY
        3. ADJUSTING THE TIGHT SQUELCH
      6. S/RF POWER INDICATOR ALIGNMENT
        1. ADJUSTING THE LEDs FOR INDICATOR
        2. ADJUSTING THE LEDs FOR RF POWER INDICATOR
    3. DIAGRAMS
      1. BLOCK DIAGRAM
      2. SCHEMATIC DIAGRAM
      3. MAIN BOARD - P301 COMPONENT ASSEMBLY
      4. LED BOARD - P101 COMPONENT ASSEMBLY
      5. CHANNEL INDICATOR BOARD - P102 COMPONENT ASSEMBLY
      6. PLL BOARD - P201 COMPONENT ASSEMBLY
      7. REGULATOR BOARD - P501 COMPONENT ASSEMBLY
      8. MIC AMP BOARD - P601 COMPONENT ASSEMBLY
    1. MAJOR COMPONENT LOCATIONS
      1. CABINET - FRONT VIEW
      2. CHASSIS - TOP VIEW
      3. CABINET - REAR VIEW
      4. CHASSIS - BOTTOM VIEW
    2. EXPLODED VIEWS
      1. MECHANICAL EXPLODED VIEW
      2. PACKING MATERIAL EXPLODED VIEW
    3. CMP - 22 MICROPHONE SCHEMATIC DIAGRAM, EXPLODED VIEW, AND PARTS LIST
    4. PARTS LIST
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