Telefunken HIFI STUDIO 1 M Service Manual

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HIFI STUDIO 1 M
Druck-Nr. 319 407 335
Schaltplan – Lagepläne
Service-Einstellungen - Ersatzteile
Schematic Diagram – Component Layouts
Service Adjustments – Spare Parts
Schéma - Plan de localisation
Reglages de service – Pieces de rechange
E.-Nr. 301 952075
Technische Daton Technical Data Caractéristiques techniques
4 " er
Halbieitar 8 IC, 58 Transistoren Semi conductors Semi conducteurs
44 Dioder, 1 Seler-Gleich-
richter, 1 Louchidiode
Netzanschiuë SCENE, Mains Connection Tenslon secteur
^ 6 өнгөр gene | 18X LIV Mano Battery Piles
2. Gent: AES KO EV 1.8 Ah
3, 12 V extem
Primär 220 V: 1 x T 10A Fuses Fusibles
HV 2XT10 A
Бекип :2xT20A
Waat
Geháuseabmessungen 638 x 315 x 167 ag Dimensiors Dimensions
Wellenbereiche FM = 87,8- 108 MH? | Wavo ranges. Gammes d'ondes
Kraise Circuits Circuits
Empfindlichkeit ......... Senshiviry Sensibiité
Zwischentroquenz Intermediate frequency. Fréquence interne "s
ZF-Bandbreite IF Bandwidth. Bande passarte *1
Nennleistung . . Rated Output Power Puissance nor
Musikleistung d Music Power Puissance zez
Kirtaktor . 0,2% bei 1 kHz (2x20 W) typisch | Distortion facto" Расе" de c
Nenneingangsspannungen/Nenn-
eingangsscheinwiderstánde/
Übersteuerungstesügkeit
Casseitenteit
Bandgeschwindigkeit
Übertragungsbereich
Tonhähenschwankungen .......
Geräuschspannumgsabstand ..
Léschiraquenz о... E
Lautsprecher
Impedanz . .
Frequenzbereich |
<0,5% bei 1 kHz (2x30
180 mV/550 ка/28 dB bei Aux.
1,8 mV/47 kQ/26 9В bei PU.
4,75 m/s
40 — 15000 Hz (СОД
40 – 14000 Eed
40 — 15000 Hz (Metal)
20.18% [A + W)
+ 0,14 % (nur W)
та dB (mit HIGH COM)
BAD kHz
4 Ohm
45-20000 Hz
Rated input Voltage/Rated
Input impedance/
Overload Stebilty
Cassette Recorder
Tape Speed
Frequency Response
| Мон and Flutter
S/N Ratio
Erase froquency
Loudspesker
Impedance
Frequency range
moustiques

Telefunken HIFI STUDIO 1 M Specifications

General

Brand	Telefunken
Model	HIFI STUDIO 1 M
Category	Stereo System
Language	English

Summary

Technical Specifications

Disassembly Instructions

Component Removal Steps

Step-by-step guide for removing various internal components.

FM Alignment Procedures

Oscillator, Input Circuit, and IF Alignment

Alignment of oscillator, input circuit, and IF stages.

Demodulator Alignment

Alignment of the demodulator stage.

AFC Circuit Adjustment

Adjustment of the Automatic Frequency Control circuit.

Decoder Alignment

RC Generator Alignment

Using RC generator for decoder alignment.

Stereo Coder Alignment

Alignment related to stereo coding.

UHF/FM Signal Generator Alignment

Alignment using UHF/FM signal generator.

AF-VTVM Alignment

Using AF-VTVM for decoder alignment.

Settings and Adjustments

Charging Voltage Adjustment

Adjusting battery charging voltage.

Battery Check Procedure

Performing battery status check.

Stereo Threshold Adjustment

Adjusting stereo threshold sensitivity.

Muting Threshold Adjustment

Adjusting muting threshold sensitivity.

RF/IF Section Schematic

NF Pre-Amplifier Schematic

AF Section Schematic

NF Output Amplifier Schematic

Recorder Amplifier Board Schematic

Bias Adjustment

Recorder Section Schematic

HIGH COM Module Schematics

Recording Amplifier Schematic

RF/IF Board Schematic

Loudspeaker Box Diagram

Tuning Drive Mechanism

Mechanical Adjustments and Measurements

Head Carrier Plate Height Adjustment

Adjusting the height of the head carrier plate.

Pinch Roller Pressure Setting

Setting the pinch roller pressure.

Tape Winding Tension Adjustment

Adjusting tape winding tension via clutch.

Tape End Switch-off Adjustment

Adjusting the tape end detection mechanism.

Tape Speed Adjustment

Adjusting tape speed (motor speed).

Wow and Flutter Measurement

Measuring tape wow and flutter.

Mechanical Adjustments and Measurements (Continued)

Head Carrier Plate Level Adjustment

Adjusting the level of the head carrier plate.

Pinch Roller Pressure Adjustment

Adjusting pinch roller pressure.

Friction Clutch Adjustment (Rewind)

Adjusting right-hand friction clutch for rewind.

Tape End Stop Adjustment

Adjusting the tape end stop.

Tape Speed Adjustment (Motor Speed)

Adjusting tape speed via motor speed.

Tape Flutter Measurement

Measuring tape flutter.

Electrical Measurements and Adjustments (Recorder Part)

19 kHz Filter Adjustment

Adjusting the 19 kHz filter.

HSK Rocking Adjustment

Adjusting the HSK rocker for maximum output.

Playback Level Adjustment

Adjusting the playback level.

Playback Frequency Response Measurement

Measuring playback frequency response.

Erase Oscillator Frequency Adjustment

Adjusting erase oscillator frequency.

Modulation Indicator Adjustment

Adjusting the modulation indicator.

Bias Current Adjustment (Tape Types)

Adjusting bias current for different tape types.

Overall Frequency Response Measurement

Measuring overall frequency response.

Recording Level Adjustment

Adjusting recording level (recording current).

High-Com Module Test

Testing the High-Com module.

Electrical Adjustments (Recorder Part) - Continued

MPX Filter Adjustment

Adjusting the MPX filter.

Record/Playback Head Adjustment

Adjusting the record/playback head.

Playback Level Adjustment

Adjusting the playback level.

Playback Frequency Response Measurement

Measuring playback frequency response.

Erasing Oscillator Frequency Adjustment

Adjusting erase oscillator frequency.

Drive Level Indication Adjustment

Adjusting drive level indication.

Bias Current Adjustment (Tape Types)

Adjusting bias current for tape types.

Overall Frequency Response Measurement (Over Tape)

Measuring overall frequency response over tape.

Full Modulation Adjustment (Recording Current)

Adjusting full modulation for self-recording.

High-Com Module Check

Checking the High-Com module.

Electrical Measurements and Adjustments (Cassette Part)

MPX Filter Adjustment (Cassette)

Adjusting the MPX filter for the cassette part.

Head Balance Adjustment

Balancing the head for recording/playback.

Playback Level Adjustment (Cassette)

Adjusting playback level for the cassette.

Frequency Response Measurement (Cassette)

Measuring frequency response of the cassette.

Erase Oscillator Frequency Adjustment (Cassette)

Adjusting erase oscillator frequency for cassette.

Modulation Indication Adjustment (Cassette)

Adjusting modulation indication for the cassette.

Bias Current Adjustment (Cassette Tape Types)

Adjusting bias current for cassette tape types.

Total Frequency Response Measurement (Cassette)

Measuring total frequency response of the cassette.

Full Modulation Adjustment (Recording Current) (Cassette)

Adjusting full modulation for cassette recording.

High-Com Module Verification (Cassette)

Verifying the high-com module for the cassette.

Spare Parts List

Spare Parts List (Continued)

Spare Parts List (Continued)

Spare Parts List (Continued)

Spare Parts List (Continued)

Exploded View of Mechanical Parts

Mechanical Part Identification Diagram