Philips ST-D777ES User Manual

ST-D777ES
AEP Model
UK Model
SERVICE MANUAL
DAB/FM/AM TUNER
SPECIFICATIONS
DAB tuner section
Frequency range 174.928 (5A) - 239.200 (13F) MHz
1452.960 (L1) - 1490.624 (L23) MHz
Sensitivity 6.9 µV/28 dBf
Signal-to-noise ratio 100 dB
THD+N 0.005 % (1 kHz)
Channel separation 90 dB (1 kHz)
Selectivity 35 dB (at adjacent channel)
Frequency response +0.2/-0.3 dB (5 Hz - 20 kHz)
DA converter Pulse D/A S-TACT128
Digital filter VC24 (only for DAB analog output)
Digital output Terminals: Coaxial and Optical
Sampling frequncy: 48 kHz
RDI output Optical
Aerial terminal 75 Ω, F female
FM tuner section
Frequency range 87.5 - 108.0 MHz
Sensitivity at 40 kHz derivation
at 26 dB quieting (mono) 0.9 µV/10.3 dBf
at 46 dB quieting (stereo) 23 µV/38.5 dBf
Signal-to-noise ratio at 40 kHz derivation
80 dB (mono), 76 dB (stereo)
THD+N 1 kHz, 40 kHz derivation
WIDE
0.035 % (mono), 0.045 % (stereo)
Channel separation 50 dB (1 kHz) WIDE
Selectivity at 400 kHz
WIDE 85 dB
NARROW 90 dB
Frequency respose +0.2/-0.3 dB (30 Hz - 15 kHz)
Aerial terminal 75Ω, IEC male
AM tuner section
Frequency range MW: 522 - 1,611 kHz (9 kHz step)
LW: 144 - 288 kHz
(1 kHz step: Manual tuning)
(3 kHz step: Automatic tuning)
Sensitivity (with AM loop aerial)
MW: 200 µV/m
LW: 700 µV/m
Signal-to-noise ratio MW: 54 dB (50 mV/m, 999 kHz)
LW: 50 dB (50 mV/m, 216 kHz)
Harmonic distortion 0.3 %
Sensitivity 50 dB
Aerial terminal Push lever
General
Power requirements 230 V, AC 50/60 Hz
Power consumption 20 W
Dimensions 430 × 97.5 × 374 mm (w/h/d)
Weight 6.2 kg
Remote control capability
IR
Station preset capacitymax. 99 (DAB, FM and AM total)
Supplied accessories • Audio cord (1)
• AM loop aerial (1)
• FM wire aerial (1)
• DAB wire aerial (1)
• Remote commander (1)
• R6 (size AA) baatteries (2)
Design and specifications are subject to change without notice.

Philips ST-D777ES Specifications

General

Brand	Philips
Model	ST-D777ES
Category	Tuner
Language	English

Summary

Specifications

DAB Tuner Section Specifications

Details of the DAB tuner's frequency range, sensitivity, signal-to-noise ratio, etc.

FM Tuner Section Specifications

Details of the FM tuner's frequency range, sensitivity, signal-to-noise ratio, etc.

AM Tuner Section Specifications

Details of the AM tuner's frequency range, sensitivity, signal-to-noise ratio, etc.

Service Position

Safety-Related Component Warning

Critical safety warning regarding specific components identified by mark or dotted line.

General

Getting Started

System Connectivity

Guidance on connecting the tuner to aerials and other audio components.

Basic Operations

Automatic DAB/FM Station Storage

How to automatically scan and store DAB and FM stations alphabetically.

Receiving Preset Stations

Instructions on how to tune in and listen to stored preset stations.

Advanced Tuner Operations

Radio Data System (RDS) Features

How to utilize RDS features like displaying station information and receiving RDS broadcasts.

Digital Filter Usage

Receiving Broadcasts

Procedures for tuning in stations using automatic or manual scanning methods.

RDS EON/DAB Announcement Monitoring

Using EON/DAB announcements to automatically switch to traffic, news, or weather programs.

FM Reception Tips

Storing Stations Manually

Guide on how to manually store favorite DAB, FM, or AM stations to preset numbers.

Locating Stations by Programme Type (PTY)

Finding stations based on their broadcasted programme type (e.g., News, Jazz, Sport).

Test Mode

Display and Key Check Mode

Procedures for checking the display tube and verifying key switch functionality.

Factory Preset Entry

Method for entering the factory preset mode to write memory data.

Microprocessor Version Display

Electrical Adjustments

Repair Precautions

Stereo and Tuned Level Adjustment

Steps to adjust stereo and tuned levels for optimal FM reception.

FM Discriminator Adjustment

Procedures for adjusting the FM discriminator for NULL and MONO distortion.

Stereo Separation Adjustment

Procedure to adjust stereo separation for improved sound quality.

FM Signal Level Adjustment

How to adjust the FM signal level for proper tuning and display.

AM Section Adjustments

AM Tuned Level Adjustment

Procedure to adjust the AM tuned level for optimal reception.

Diagrams

Block Diagram

Schematic Diagram - Main Section (1/4)

Schematic Diagram - Main Section (2/4)

Schematic Diagram - Main Section (3/4)

Schematic Diagram - Main Section (4/4)

Schematic Diagram - Display Section

Schematic Diagram - Power Section

IC Pin Function Description

System Control IC Pinout

System Control IC Pinout Details

IC Block Diagram - CXD Series

IC Block Diagram - LC, LA Series

IC Block Diagram - LA, BU, NJM Series

Exploded Views

Electrical Parts List