NIKKO stereo pre-amp/amplifier model TRM-6O0 - Specifications - Alignment Manual

Oct 12, 2026

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NIKKO stereo pre-amp/amplifier TRM-6O0 service manual content providing core technical specifications, schematic references, diagram and component layout information, and an alignment procedure. It lists input sensitivities, rated outputs, signal-to-noise values, distortion and frequency response ranges, equalizer characteristics, filter controls, loudness behavior, and gain unbalance. It also includes detailed parts tables for assemblies, supporting disassembly, alignment, and circuit troubleshooting.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages14

Reading Time35 min

AccessFree to download

Contents

Specifications

Diagrams

Disassembly Details

Component Layout

Schematic Diagram, Overall

Block Diagram

Main Amp. Assembly

Pre. Amp-REG Assembly

Mixing Amp. Assembly

Transistor Specifications

Alignment Procedure

GENERAL INFORMATIONSCHEMATIC DIAGRAMPARTS LISTALIGNMENT MANUAL NIKKO stereo pre-amp/amplifier model trm-6O0 NIKKO ELECTRIC MFG CO..LTD.4-1,3-CHOME,TAMAGAWA DKusAwA-CHO,SETAGAYA-KU,TOKYO,JAPAN.NIKKO ELECTRIC coRPORATION OF AMERICA 5001 LANKEASHIM BLVD..NORTH HOLLYwOOD,CALIF.91601 CONTENTS 1. SPECIFICATIONS …………………………………………………………………………………………………………………………………………2 2. DIAGRAMS 2.1 DISASSEMBLY DETAILS …………………………………………………………………………………………………………………………………………………………3 2.2 COMPONENT LAYOUT ………………………………………………………………………………………………………………………………………………4 2.4 SCHEMATIC DIAGRAM, OVERALL …………………………………………………………………………………………………………6 2.5 BLOCK DIAGRAM ………………………………………………………………………………………………………………………………………7 2.6 MAIN AMP. ASSEMBLY ………………………………………………………………………………………………………………………………………………8 2.7 PRE. AMP-REG ASSEMBLY………………………………………………………………………………………………………………………………………9 2.8 MIXING AMP.ASSEMBLY .....∴……………………………………………………………………………………………………………11 3. TRANSISTOR SPECIFICATIONS ……………………………………………………………………………………………………………12 4. ALIGNMENT PROCEDURE ……………………………………………………………………………………………………………………13 1. SPECIFICATIONS TRM-500 Input sensitivity PHONO 1,2 ……………………………………………2.2mV...............±3dB (at 1000Hz, TUNER ………………………………………………160mV...............±3dB rated output AUX. ………………………………………………………………160mV...............±3dB TAPE MON.1,2............. 160mV ……………………………………………±3dB MIC…………………………………………3mV …………………………………………………±3dB MAIN IN …………………………………………………1200mV...............±3dB S/N PHONO 1,2 …………………………………………………65dB...............60dB MIC MIXING …………………………………………………75dB...............65dB Other………………………………………………………80dB...............75dB Output single ch.driven ............. 40W …………………………………………………36W (8 ohm, both ch.driven ............. 34W ………………………………………………………30W 0.5% T.H.D) at 1W…………………………………………………0.1%...............0.3% Distortion Frequency response ……………………………………………………………………………………20Hz~30kHz.............±2dB Equalizer RIAA…………………………………………………at70Hz,10kHz...........±2dB Bass control at 70Hz …………………………………………………±10dB...............±10dB±3dB at 10kHz ………………………………………………±10dB...............±10dB±3dB Treble control Low filter at 50Hz……………………………………………………………3dB............... at 7kHz ……………………………………………………………3dB............... High filter at 70Hz…………………………………………………………+10dB............... Loudness control at 10kHz …………………………………………………+5dB............... Audio muting ……………………………………………………………………………………………20dB...............±3dB Gain unbalance (at volume maximum)……………………………………………… …………………………………………………2dB Residual output voltage (at volume minimum)..........0.8mV ………………………………………1.5mV # 2.DIAGRAMS FINAL ASSEMBLY | Parts No. | Description | Symbol | Parts No. | Description | Symbol | | --- | --- | --- | --- | --- | --- | | 9823850
9840450
9840460
9633490
960105E
961082E
7882500
7850430 | CARTON BOX
STYROL BOX(L)
STYROL BOX(R)
CARTON LABEL
OWNS MANUAL
DIAGRAM
PNL S.ASSY
KNOB5L-1 | | 7850510
7400460
7152000
8740910
7322380
7902890
7830690 | KNOB 5L-9
IND GLB(P)
IND RING
KNOB 6L-7
BTM PLT
POLY FOOT
wOOD COv | | FRONT PLT ASSEMBLY | Parts NO. | Description | Symbol | Rarts NO. | Description | Symbol | | --- | --- | --- | --- | --- | --- | | 4040380 | PENTA PUSH SW | S1,2,3,4,5 | 311104J | RES 100K OHM 1/4P | R38,39 | | 461219 B | PUSH SW PCB | | 311151J | RES 150 OHM 1/4P | R36,37 | | 4040390 | TWIN PUSH SW | S13,14 | 311153J | RES 15K OHM 1/4P | R16,17 | | 4550010 | EAR JACK 3P | MIC IN | 311103J | RES 10K OHM 1/4P | R13,14,22,23,26, | | 4550090 | EAR JACK 3P(US) | Head Phone | | | 27,30,31 | | 374331 K | M-RES 330 OHM 2P | R43,44 | 311472J | RES 4.7K OHM 1/4P | R24,18,19,25 | | 5808070 | PL-88V 40mA WIRE | Z1 | 311332J | RES 3.3K OHM 1/4P | R11,12 | | 40

FAQs

What specifications are provided for the NIKKO TRM-6O0?

The manual lists input sensitivities for multiple inputs, rated output power (single and both channels driven), signal-to-noise figures, distortion, frequency response range, and equalizer/filter control characteristics.

Where can diagram information be found in the document?

The contents section directs readers to the Diagrams area, including disassembly details, component layout, overall schematic diagram, block diagram, and major assembly diagrams (main amp, pre-amp-reg, and mixing amp).

What is included to support alignment and maintenance?

Besides technical specifications and schematic references, the manual provides transistor specifications and an alignment procedure, along with detailed parts lists for final assembly and front/back plate assemblies.

Oct 12, 2026

Upload by moss~