MARANTZ CB140
Service Manual

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Contains Circuit Diagrams
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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

CIRCUIT DESCRIPTION

PLL SYNTHESIZER

FUNCTIONS OF PLL SYNTHESIZER
OPERATION OF PLL SYNTHESIZER

TRANSMITTER SECTION

MIX
RF POWER AMPS
MODULATOR
MIC AMP & LIMITER
INHIBIT SW & DC AMP

RECEIVER SECTION

RF AMP & 1ST MIX
2ND MIX
2ND IF AMP & AM DET
AF AMP
SQUELCH
ANL

7 - LED S/RF READOUT CIRCUIT

OPERATION AS S INDICATOR
OPERATION AS RF POWER INDICATOR

ALIGNMENT INSTRUCTIONS

LIST OF ALIGNMENT INSTRUMENTS
CRYSTAL OSCILLATOR ALIGNMENT

ADJUSTING THE 2ND LOCAL OSC
ADJUSTING THE TX OFFSET OSC
ADJUSTING THE PLL LOCAL OSC

PLL SYNTHESIZER ALIGNMENT

ADJUSTING THE VCO
ADJUSTING THE OUTPUT LEVEL

TRANSMITTER SECTION ALIGNMENT

ADJUSTING THE TX POWER STAGES
ADJUSTING THE MIC AMP

RECEIVER SECTION ALIGNMENT

ADJUSTING THE AGC VOLTAGE
ADJUSTING THE SENSITIVITY
ADJUSTING THE TIGHT SQUELCH

S/RF POWER INDICATOR ALIGNMENT

ADJUSTING THE LEDs FOR INDICATOR
ADJUSTING THE LEDs FOR RF POWER INDICATOR

DIAGRAMS

BLOCK DIAGRAM
SCHEMATIC DIAGRAM
MAIN BOARD - P301 COMPONENT ASSEMBLY
LED BOARD - P101 COMPONENT ASSEMBLY
CHANNEL INDICATOR BOARD - P102 COMPONENT ASSEMBLY
PLL BOARD - P201 COMPONENT ASSEMBLY
REGULATOR BOARD - P501 COMPONENT ASSEMBLY
MIC AMP BOARD - P601 COMPONENT ASSEMBLY

MAJOR COMPONENT LOCATIONS

CABINET - FRONT VIEW
CHASSIS - TOP VIEW
CABINET - REAR VIEW
CHASSIS - BOTTOM VIEW

EXPLODED VIEWS

MECHANICAL EXPLODED VIEW
PACKING MATERIAL EXPLODED VIEW

CMP - 22 MICROPHONE SCHEMATIC DIAGRAM, EXPLODED VIEW, AND PARTS LIST
PARTS LIST

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