Sony TA-EX77 User Manual

MICROFILM
AEP Model
UK Model
E Model
SERVICE MANUAL
TA-EX66/EX77
INTEGRATED STEREO AMPLIFIER
TA-EX66/EX77 is the amplifier section
in MHC-EX66, DHC-EX77MD/MD77.
SPECIFICATIONS
Photo: TA-EX77 (AEP, UK model)
General
Power requirements
AEP, UK model: 220 – 230 V AC, 50/60 Hz
HK, SP model: 220 – 240 V AC, 50/60 Hz
Power consumption 125 watts
Design and specifications are subject to change without notice.
• Abbreviation
HK : Hong Kong
SP : Singapore
AEP, UK model:
DIN power output 45 + 45 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output
60 + 60 watts (6 ohms at 1kHz, 10% THD)
Music power output 105 + 105 watts
HK, SP model:
Continuous RMS power output
55 + 55 watts (6 ohms at 1 kHz, 5% THD)
Inputs
CD IN, MD IN (phono jacks): voltage 450 mV, impedance 47 kilohms
TUNER IN, TAPE IN, VIDEO1 IN, VIDEO2/AUX IN (TA-EX66/
EX77: AEP, UK model), VIDEO2 IN (TA-EX77: HK, SP model) (phono
jacks): voltage 250 mV, impedance 47 kilohms
MIX MIC (phone jack):
sensitivity 1 mV, impedance 10 kilohms or more
Outputs
MD OUT, TAPE OUT, VIDEO1 OUT (phono jacks):
voltage 250 mV, impedance 1 kilohm
PHONES (stereo phone jack):
accepts headphones of 6 ohms or more.
SPEAKER: accepts impedance of 6 to 16 ohms.
Dimensions (w/h/d) incl. projecting parts and controls:
Approx. 280 × 122.5 × 298 mm
Mass Approx. 5.3 kg

Sony TA-EX77 Specifications

General

Brand	Sony
Model	TA-EX77
Category	Amplifier
Language	English

Summary

Specifications

AEP, UK Model Specifications

Power output and requirements for AEP/UK models.

HK, SP Model Specifications

Power output and requirements for HK/SP models.

Input and Output Specifications

Details on input sensitivity and output voltage.

General Specifications

Power consumption and other general details.

Model Identification

General

Connecting Optional AV Components

Guide to connecting external audio/video devices.

Connecting Audio Components

Instructions for connecting tape decks and other audio gear.

Connecting Other Analog Components

How to connect analog devices to VIDEO1 input.

Connecting Digital Components

Steps for connecting digital sources for recording.

Other Features

Adjusting the Sound

How to control bass, treble, and sound effects.

Singing Along: Karaoke

Guide to using the karaoke function with microphones.

Disassembly

Case, Front Panel Section

Step-by-step guide for disassembling the case and front panel.

Back Panel

Instructions for removing the back panel.

Connector Board

Procedure for removing the connector board.

Main Board

Steps for removing the main board.

Diagrams

IC Pin Function Description

Details on the pin functions of the system controller IC.

IC Block Diagrams

Block diagrams for specific integrated circuits.

Waveforms

Illustrates signal waveforms at specific IC pins.

Circuit Boards Location

Visual guide to the location of various circuit boards.

Schematic Diagram

Detailed electrical schematic of the unit.

Printed Wiring Boards

Diagrams showing the layout of the printed wiring boards.

Exploded Views

Case, Front Panel Section

Exploded view of the case and front panel assembly.

Main Section

Exploded view of the main internal components.

Electrical Parts List