GRUNDIG - Service Manuals
39 manuals available for download
Grundig Studio 3000 Electronic Schematic Diagram
Electronic schematic for the Grundig Studio 3000.
Grundig TK 120 de luxe Electronic Schematic and Setup Guide
Complete electronic schematic diagram and German service instructions for the Grundig TK 120 de luxe. Page 1 contains the full circuit schematic with tube-based amplifier stages, transformers, and associated components. Page 2 provides detailed German-language setup and adjustment procedures covering final stage DC bias, HF output coupling, HF pre-magnetization, and output meter calibration.
Grundig TK 120/125/140/145 Tape Recorder Service Manual
Service manual for Grundig TK 120, TK 125, TK 140, and TK 145 tape recorders. Contains mechanical part descriptions, assembly and disassembly instructions, adjustment procedures, lubrication specifications, electrical schematic diagrams, HF adjustment procedures, and measurement tables. Includes detailed photos showing component removal and installation steps. Table of Contents: - General Information - Assembly, Installation and HF Setting of Heads - Tk 120/125 - Assembly - Tk 140/145 - Assembly
Grundig TK 121 / TK 121 U Circuit Diagram and Schematic
Complete circuit diagram and schematic for Grundig TK 121 and TK 121 U tape recorder models. Includes main electrical circuit diagram with component values, tube and transistor layouts, printed circuit board layouts (component side and solder side), and mechanical assembly diagrams with numbered reference points.
Grundig TK 125 Deluxe Operating Instructions Manual
Operating instructions for the Grundig TK 125 Deluxe tape recorder. Covers setup, threading tape, counter operation, recording and playback functions, automatic shut-off at tape ends, tape rewinding, manual recording modes with trick key function, telephone recording, tape handling, and maintenance. Technical specifications include 48W output, 50 Hz frequency, tube rectification, and half-speed international tape standard. Includes connection diagrams for radio and microphone inputs.
Grundig TK 125 Inland Electronic Schematic
Complete electronic schematic diagram for the Grundig TK 125 Inland model (39-4335 1000/00). Features tubes, transformer diagrams, socket connections, component layouts, and detailed circuit paths.
Grundig TK 140 de luxe Circuit Diagram and Service Notes
Complete circuit diagram for the Grundig TK 140 de luxe tape recorder. Includes three pages of schematics showing the radio tuner section, amplifier stages with transistors (BC107B, BC108B/C, BC148B, AD161, AD162), power supply circuits, speaker selector, and motor control. Service hints page provides adjustment procedures for final stage current, HF coupling, HF pre-magnetization, and output level setup.
Grundig TK 141 Operating Instructions
Operating instructions manual for the Grundig TK 141 tape recorder. Multilingual documentation including German, English, French, and Italian sections. Contains control descriptions, connection diagrams for microphone, radio, telephone adaptor and loudspeaker sockets, operating procedures, and general information. Includes illustrations of accessories available and socket connection details.
Grundig TK 145 Tape Recorder Operating Instructions
Operating instructions manual for the Grundig TK 145 tape recorder in German, English, and French. Covers technical specifications, operating controls, track configuration, recording and playback procedures, microphone options (GDM 312, GDM 321, GDM 317, GDM 322), and connection information for radio receivers and amplifiers. Includes detailed illustrations of the device and control panels.
Grundig TK 146 / TK 146 U Circuit Diagram
Complete circuit diagram and schematic for the Grundig TK 146 and TK 146 U models. Includes detailed tube electronic circuits, component values, printed circuit board layouts, motor connections, and voltage selector information. Multi-page technical reference with German text and annotations.
Grundig TK 146 Operating Instructions Manual
Operating instructions for the Grundig TK 146 tape recorder. Multilingual manual covering German, English, French, Italian and Spanish. Includes detailed control descriptions, connection diagrams for microphone, radio, telephone adapter, and monitor amplifier sockets. Features information on four-track recording at 9.5 cm/s tape speed, recording level adjustment, track selection, and playback controls. Accessories listed include GDM 313 and GDM 318 microphones, tape recorder adapter, earphones, and telephone adapter 244 S.
Grundig TK 146 Tape Recorder - Service and Technical Manual
Complete technical documentation for the Grundig TK 146 tape recorder. Includes printed circuit board layouts (solder side and component side), circuit diagrams with component values, mechanical assembly instructions with numbered reference images, and detailed adjustment procedures. Contains schematic diagrams, parts placement diagrams, and physical disassembly/reassembly guidance with numbered illustrations of internal mechanisms.
Grundig TK 146 Tape Recorder Service Manual
Complete service manual for the Grundig TK 146 reel-to-reel tape recorder. Includes operating instructions in multiple languages (German, English, French, Italian), detailed assembly and disassembly procedures with numbered diagrams, mechanical and electrical adjustments, calibration procedures, and full schematic diagrams with component identification. Contains instructions for head replacement, tape tension adjustment, and troubleshooting with pressure specifications and measurement points marked.
Grundig TK 20 Tonbandkoffer Schematic Diagram
Complete electronic schematic diagram for the Grundig TK 20 Tonbandkoffer tape recorder. Shows tube-based circuit topology with power supply, audio amplification stages, and tape transport control circuits. Manufactured by Grundig Werke Furth (Bay.).
Grundig TK 24 Tape Recorder 4-Track Operation Manual
User instruction manual for the Grundig TK 24 portable tape recorder with 4-track technology. Covers operation procedures including tape threading, recording and playback controls, speed settings (9.5 cm/sec), four-track recording features, microphone recording setup, external device connections (radio, microphone, turntable), track selection controls, tape counter operation, and technical specifications. Includes operating diagrams, control panel layouts, and detailed guidance for recording from various sources and tape playback functionality.
Grundig TK 24 Tape Recorder Service Manual
Service manual for the Grundig TK 24 tape recorder with four-spur (Vierspur) format. Contains detailed mechanical and electrical sections. Mechanical section covers general information, lubrication, functional description of drive and tape transport systems, coupling mechanisms, belt guidance and transport, and auxiliary tools. Electrical section includes tube-based circuitry diagrams for recording and playback channels, frequency response curves, measurement circuits (Entzerrer-Kurven, Aufnahme), relay configurations, contact assemblies, and winding specifications. Technical measurements and specifications provided for all electrical parameters. Table of Contents: - Recording Input Sockets TK 120/140 - Input impedance over 100 kΩ single-ended - Microphone/Radio input impedance at socket Ms. 1 or directly at Ms. 2 - Input impedance 100 kΩ at Ms. 3 - Control voltage at Ms. 4 after connection - Frequency response 20 Hz to 20 kHz - Input setting: Micro/Radio 1.2 - Measurement: Head microphone at 100 kΩ parallel to head system - Speaker setting: Speaker Start - Regler and Schalter: Pegelregler auf, Klangregler hell - Amplification - Verification of input sensitivity with 1000 Hz - Input voltage drop of 100 mV required at input for voltage follower - Damping of input stage to speaker input - Voltage measurement and output control of EM 84 controller - Final setting with R 21 - Frequency measurement - Frequency measurement at radio microphone input - Frequency at 66 Hz - Frequency at 12000 Hz - Frequency response spike - Intermediate values see recording curves - Rated input voltage maximum - Input short-circuit - Input open-circuit - During incorrect HF-Premagnetization and discharge, maximum voltage at speaker output allowed - Final stages - Measurement at playback parallel to 5 Ω load - Damping of measuring circuit - Distortion and distortion factor - Output voltage of 333 kHz - Frequency response - Frequency response and distortion factor - Foreign voltage
Grundig TK 27 L Service Manual and Schematics
Service documentation for Grundig TK 27 L tape recorder. Contains mechanical component layout, printed circuit board component side view, electrical schematic diagrams with tube circuits (EF86, ECC81 tubes visible), and wiring diagrams for recording and playback functions.
Grundig TK 32 Tape Recorder - Operating Instructions
Operating instructions with warranty certificate for the Grundig TK 32 portable tape recorder. Covers power supply connections (117-240V), tape threading, recording and playback functions, speed controls, and automatic shutoff mechanisms. Includes detailed control descriptions, tape counter diagrams, and operation procedures with photographs.
Grundig TK 32 Tape Recorder Electronic Schematic
Complete electronic schematic diagram for the Grundig TK 32 tape recorder. Shows tube-based circuitry including EF86, ECC81, EL95, EM84, EL84 vacuum tubes and associated components. Includes power supply, preamp, volume control, tone control, and output stage circuits. Contains tube socket details and component reference designations.
Grundig TK 35 Tape Recorder User Manual
Operating instructions for the Grundig TK 35 tape recorder with 3 tape speeds (4.75, 9.5 and 19 cm/sec). Includes detailed control descriptions, connection instructions for microphone, radio and turntable inputs, tape threading procedures, and operating guidelines. Contains technical specifications, warranty information, and control panel layout diagrams.
Grundig TK 40 / TK 40 U Operating Instructions
Operating instructions and user manual for the Grundig TK 40 and TK 40 U tape recorders. Includes technical specifications, operation controls description, preparation and setup instructions, connection socket information, recording from radio broadcasts, tape threading, automatic stop features, maintenance guidance, and tape handling. Bilingual document in German, English and French.
Grundig TK 42 Tape Recorder User Manual
User manual for the Grundig TK 42 portable tape recorder. Covers monophonic recording and stereophonic playback with four-track technology at three speeds (19, 9.5 and 4.75 cm/s). Includes technical specifications, operating instructions, control descriptions, power supply connections for 110V, 130V, 220V and 240V, and guidance on microphone input, radio input, phonograph input and remote control operation. Features information on tape threading, playback controls, echo recording capabilities and multiplayback functions.
Grundig TK 46 TK 47 Tape Recorder Service Manual
Service manual for Grundig TK 46 and TK 47 tape recorders. Includes operating instructions in German, English and French. Contains technical specifications, internal chassis views with numbered component locations, detailed mechanical diagrams for tape transport systems, frequency correction network schematic, amplifier schematics with tubes, tape coupling assembly instructions with illustrated parts, and conversion information for 60 Hz operation. Table of Contents: - Introduction - Circuit Description - Dismantling for Servicing - Clutches & Brakes - Testing - Additional Information - Summarised Specification - Mechanical Faults - Electrical Faults - Connections to the TK.14 - General View - Back View - Top View - Sound Channel - Rear View - Press Button Units - Recording Button Assembly - Details of Clutches - Wiring Diagram—Back Sockets - Drive Belts - Transformer & Coil Details - Microphone GDM 18 - List of Spare Parts - Circuit Diagram
Grundig TK 47 / TK 47U Operating Instructions Manual
Operating instructions and user manual for the Grundig TK 47 and TK 47U tape recorders. Covers technical specifications, operating controls, tape threading, connection sockets, recording and playback functions, automatic stop features, microphone recording, tape care and maintenance, and accessories. Includes wiring diagrams and position indicator charts for tape speeds. Text in German, English, and French.
Grundig TK 54 Tape Recorder Service Manual
Service manual for the Grundig TK 54 tape recorder. Contains mechanical assembly section covering tape transport mechanism, belt drive configuration, coupler adjustments, fast forward/rewind functions, and brake system. Includes electrical measurements and response curves (playback and recording), measurement circuit diagrams, and technical specifications. Bottom cover shows detailed mechanical component views including the tape transport assembly and internal mechanical arrangements. Table of Contents: - Recording sockets TK 120/140 - Input impedances are over 100 kΩ single-ended - Amplification - Input sensitivity - Microphone/radio input - Headphone output - Regulator and switches - Amplification verification - For a voltage drop of 100 mV at input, the following voltages are required at the microphone/radio input - Test voltage at headphone output - Voltage measurement is also performed on the EM 84 controller - Frequency measurement - Frequency measurement is performed at the radio microphone input - At 66 Hz frequency - At 12,000 Hz frequency - The peak value of the frequency response is at 12,000 Hz - Intermediate values see attenuation curves Appendix - Maximum permissible input voltage - Input at 100 kΩ closed - Input at short circuit - With incorrect HF pre-magnetization and discharge voltage setting at headphone output - Final stages - The measurement is performed with feedback parallel to a load resistance of 5 Ω ± 2% - Input impedance - Distortion factor and clipping factor - At 333 kHz an output voltage of a clipping factor is required - Frequency response - A control voltage of 100 mV at 3.2 kHz of the radio input - At 1000 Hz frequency - Just at the sound regulator dark (12,000 Hz) a voltage of - Remote voltage - Remote voltage must be maintained - Loudspeaker impedance regulator to
Grundig TK 60 Stereo Tape Recorder User Manual
User manual for the Grundig TK 60 stereo tape recorder with mono and stereo recording and playback capabilities. Two tape speeds: 9.5 and 19 cm/sec. Includes operating instructions, connection diagrams for microphones, radio input, turntables, external speakers, remote control, and detailed procedures for tape threading, recording, playback, and tape reel operation. Contains technical specifications for mains voltage settings (117, 150, 200, 220, 240V with 110-127V option) and fuses.
Grundig TK 64 Tape Recorder User Manual
User manual and operating instructions for the Grundig TK 64 tape recorder. Covers mono and stereo recording and playback in four-track format. Includes sections on power supply configuration, connection of microphones and external equipment (radio, turntable), tape threading, playback controls, speed adjustment, and automatic shut-off features. Contains detailed diagrams of control panel layout and operating procedures.
Grundig TK 8 Tape Recorder Service Manual
Service manual and repair helper for the Grundig TK 8 tape recorder. Contains technical specifications, mechanical adjustments, frequency response graphs, tape head alignment procedures, and complete schematic diagram with tube identification (EF86, EL42, ECC81, EM85, EL84). Includes coupling assemblies breakdown, main switch assembly details, and electrical circuit schematic with component values.
Grundig TK/TM 27 and TK/TM 27 U Tonband Service Manual
Complete service manual for Grundig TK 27, TM 27, TK 27 U and TM 27 U tape recorders. Contains mechanical section with detailed assembly and adjustment procedures, electrical section with schematics and component values, conversion instructions for 50 Hz to 60 Hz operation, contact sets specifications, winding information, and test networks. Includes mechanical illustrations, circuit diagrams, and exploded clutch diagrams.
Grundig TK1 Tape Recorder Service Manual
Service manual for Grundig Model TK1 single-speed tape recorder (3 3/8 in./sec., dual-track, transistorized). Includes general description, power supply specifications, dismantling instructions, component layout diagram, tube bias settings, circuit diagram with tube pin connections and resistor values, and selector switch diagrams with solder connection details.
Grundig TK14 Tape Recorder Service Manual
Complete service manual for the Grundig TK14 tape recorder. Covers circuit description, dismantling procedures, clutches and brakes, electronic and mechanical testing, frequency response measurements, head alignment, lubrication, and troubleshooting. Includes sections on the recording amplifier with ECC83 and ECL86 tubes, playback amplifier, power pack, motor controls, and Magic Eye recording level indicator. Contains detailed specifications, wiring diagrams, mechanical drawings, and parts information. Issue 1, July 1961.
Grundig TK14, TK/TM/TS19, TK/TS23 Tape Recorder Service Manual
Service manual for Grundig tape recorders models TK14, TK/TM/TS19, and TK/TS23. Contains mechanical and electrical diagrams, component layouts (head carrier plate assembly, coupling assembly), mechanical part descriptions, adjustments procedures (band guidance, transport, head positioning), operational instructions for different models, and spare parts identification with numbered references. Table of Contents: - General Information - Lubrication - Functional Description - All inquiries are to be submitted in writing - Intake and Exhaust - Through the cylinder head (54) of the motor (1) - Through the oil filter (45) and the oil cooler (45) - Fuel supply - Basics behind the scavenging process and the charging air scavenging and charging air inlet - Via the charge air cooler (123) - Injection and fuel injection - Correction to the upper limit of the speed control - The charge air cooler (123) is supplied with cooling water - Through the intercooler with a charge air temperature - The throttle valve (129) is arranged downstream of the charge air cooler - A separate fuel pressure regulator - The fuel filter (128) is supplied with fuel from the fuel pump - Various fuel injection systems are used depending on the engine type - Prevention of deposits on the injection valves through fuel additives (118) - The fuel return line must be routed separately - Particulate filter regeneration must be monitored
Grundig TK30, TK35 Tape Recorders Service Manual
Service documentation for Grundig Models TK30 and TK35 dual-track portable tape recorders. Includes general description, power supply specifications, valve types (EF86, ECC81, EL84, EL95, EM84), relay operation details for record and playback functions, circuit diagrams, valve base diagrams, miscellaneous technical details on clutches, head currents, head alignment, hum level adjustment, fault-finding notes, and mechanical notes. Contains detailed schematics with component values and adjustment procedures.
GRUNDIG TK40 TK42 TK45 TM45 Tape Recorder Service Manual
Service and maintenance manual for GRUNDIG tape recorders models TK40, TK42, TK45, and TM45. Covers mechanical and electrical sections including general information, lubrication, operation, tape transport, head alignment, quick stop, pressure roller release, tape path and brakes, coupling height and tension, remote control installation, 60 Hz operation conversion, modifications, electrical safety fuses, control circuit assembly, measurements, HF tuning, input channels, final stage, band measurement, adjustment procedures, and technical specifications including current consumption and component values. Table of Contents: - Mechanical Section - General Information - Summation - Functional Description - Drive and Drive - Cable Routing and Transport - Brake - Pressure Relief - Pressure Relief Valve and Pressure Relief - Needle Bearing for the Pressure Relief Valve - Conversion to 60 Hz - Modifications - Mechanical — Electrical - Electrical Section - General Information - Assembly of the Control Organs - Magnetron Testing - Measurements - Power Supply Unit - HF Unit - Audio Unit TK 40 - Audio Unit - Frequency Response - Audio Cable - Deterioration - Frequency Response - Audio Cable TK 42, TK 45, TM 45 - Deterioration - Frequency Response - Overvoltage Protection (TK/TM 45) - Final Stage - Deterioration and Frequency Response - Remote Control - Measurement and - Deterioration - Clarity Factor - Distortion Ratio Output - Demagnetization - Tone Control Connections - Tonscope Insertion - Illustration Section - M1 - TK 45 Mechanical Drawing - M2 - Schematic Schematic Diagram - E1 - Pressure Relief Valve Couplings - E1 - Pressure Relief Valve TK 40 - Amplifiers and Oscillator - E2 - Pressure Relief Valve TK 42 - Amplifiers and Oscillator - E3 - Pressure Relief Valve TK 45 - Amplifier 1 - Amplifier 2 and Oscillator - E4 - Pressure Relief Valve TM 45 - Amplifier - Decoupling Networks - Shielding Straps - Shielding Straps - Schiller - Shielding Straps without Shielding ECC 83 - E8 - Amplifier TK 40 - E9 - Schematic TK 40 - E10 - Schematic TK 42 - E11 - Schematic TK 45 - E12 - Schematic TM 45
GRUNDIG TK47 / TK47U Operating Instructions Manual
Operating instructions manual for GRUNDIG TK47 and TK47U tape recorders. Includes technical specifications, operating controls diagram, preparation and setup instructions, connection sockets, recording and playback procedures, maintenance information, and tape handling guidelines. Document contains trilingual sections in German, English, and French.
Grundig TK5 Tape Recorder User Manual
User manual for the Grundig TK5 portable tape recorder. Instructions cover tape loading, recording and playback controls, microphone operation, speaker connections, radio receiver integration, telephone recordings, tape counter information, and maintenance. Includes detailed diagrams of the control panel and tape spool mechanism.
Grundig TK54 Electrical Schematic and Circuit Diagrams
Complete electrical schematic for the Grundig TK54 tape recorder. Contains detailed circuit diagrams for tubes EF 86, ECC 83, EL 95, EM 84, and EL 84. Includes component layouts, contact spring specifications, relay-magnet configurations, input selector switch details, and operating mode switch positions. Supplementary notes dated 10.03.1960.
Grundig TK60 TM60 Tape Recorder Service Manual
Service manual for Grundig TK60 and TM60 stereo tape recorders. Contains mechanical assembly instructions for couplings, detailed mechanical diagrams and schematics of the chassis, functional descriptions of drive mechanisms, tape transport systems, braking systems, and adjustment procedures. Includes HF generator section for TK60 and adjustments for TM60 variants (new version, alt II, alt I). Technical specifications and measurement procedures documented. Table of Contents: - Mechanical Part - General Information - Lubrication - Maintenance and Service Instructions - Lubrication of the Drive - Maintenance of the Mechanical Part - Proper Use - Lubrication of the Sintered Layer and Adjacent Sintered Discs - Lubrication Description - Functional Description - Drive - Acceleration and Transport
Grundig TS945/TS925 Reel-to-Reel Service Manual
Service manual for Grundig TS945 and TS925 reel-to-reel tape recorders. Covers mechanical section with detailed repair procedures, component layouts, adjustment specifications and justage procedures. Includes electrical section with tuning fork stabilizer adjustments and head alignment calibration. Contains wiring diagrams, exploded views of tape transport mechanism, motor assembly diagrams, and performance curves for audio frequency response.