Sony TA-F442E User Manual

TA-F442E/FO42E
SERVICE MANUAL
UK Model
Photo : TA-F542E
SPECIFICATIONS
Amplifier
Continuous RMS power output (both channels driven
simultaneously)
TA-F442E | TA-F542E —
| 4ohms _|110 W + 110 W/120 W + 120 W
8ohms | 90W + 90W 1100 W + 100 W
20 Hz - 20 KHz THD
0.008
%
8
ohms
|
80
W
+
80W
|
90W
+
90
W
Input
DIN 1 kHz
:
__|S/N
(weighting
-
Jack
type|
Sensitivity
|
mpedance!
network,
input
ae
~s
Hevel)
oo
Input jack
MM 2.0mV_ [50 kilohms| 94 dB (A, 5 mV)
I
SADE)
es
0.25.
mV
|100
ohms
|
76
dB(A,
0.5
mV)
TUNER, CD,
AUX, TAPE1,
DAT/TAPE2
150 mV_ | 50 kilohms }100 dB (150 mV)
Output
Voltage/impedance
Voltage 150 mV
Impedance 1 kilohm
4-16 ohms (A or B)
8-16 ohms (A + B)
HEADPHONES | Stereo phone | Accepts low and high
jack impedance headphones.
Output jack Jack type
REC OUT Phono
SPEAKERS
Intermodulation (IM) distortion (60 Hz:7 KHz = 4:1)
Less than 0.008 % at rated output
PHONO: RIAA equalization curve
+0.5 dB
TUNER, CD, AUX, TAPE1,
TAPE2/DAT: 5 Hz - 120 kHz
+3 dB
Less than 170 nV, (network A)
70 (8 ohms, 1 KHz)
Frequency response
Residual noise
Damping factor
— Continued on page 2 —
INTEGRATED STEREO AMPLIFIER
SON
Y.

Sony TA-F442E Specifications

General

Brand	Sony
Model	TA-F442E
Category	Amplifier
Language	English

Summary

Section 1: General

1-1. Connections

Details on connecting external audio equipment to the amplifier for proper operation.

1-2. Parts Identification

Identification of front panel controls, switches, and connectors for user interaction.

Section 2: Disassembly

2-1. Disassembling for Board Check

Procedure for removing the front panel to access the HP/LED board for inspection or maintenance.

Section 3: Electrical Adjustments

DC Bias Adjustment

Procedure to adjust bias voltage on the main board, critical after power amplifier transistor replacement.

Section 4: Diagrams

4-1. Block Diagram

Visual representation of the amplifier's signal path and functional blocks for system overview.

4-2. Circuit Boards Location

Diagram illustrating the physical placement of internal circuit boards within the unit.

4-3. Printed Wiring Boards

Layouts of the printed wiring boards for key internal sections like MAIN, SP, and INPUT.

4-4. Schematic Diagram

Detailed electrical schematic diagram of the amplifier's circuitry for in-depth analysis.

Section 5: Exploded Views

5-1. Case, Front Panel

Exploded view and parts list for the amplifier's case and front panel assembly.

5-2. Chassis, Back Panel

Exploded view and parts list for the amplifier's chassis and back panel components.

Section 6: Electrical Parts List

Capacitors

List of all capacitors used in the amplifier, including part numbers and specifications.

Semiconductors

List of semiconductors (transistors, diodes, ICs) with their respective part numbers.

Diodes

Details on diodes used, providing part numbers, types, and electrical characteristics.

ICs and Connectors

List of integrated circuits, connectors, and associated part numbers for reference.

Transistors

Comprehensive list of transistors, detailing part numbers and types for various circuit sections.

Resistors

List of resistors, including part numbers, values, tolerance, and power rating.

Variable Resistors and Relays

Listing of variable resistors (potentiometers) and relays with their corresponding part numbers.

Switches and Jacks

List of switches, slide switches, and input/output jacks with their respective part numbers.

Miscellaneous Parts

List of miscellaneous components such as cords, fuses, and transformers.

Hardware List

Inventory of screws and hardware used in the assembly and maintenance of the unit.