Grundig Fine Arts M 100-R User Manual

M 100-A / M 100-R Allgemeiner Teil / General Section
GRUNDIG Service 1 - 1
Service
Manual
M 100-A
M 100-R
Sach-Nr./Part No.
72010-749.75
Service
Manual
Sicherheit
Safety
Sach-Nr./Part No.
72010-800.00
Zusätzlich erforder-
liche Unterlagen
für den
Komplettservice:
Additionally
required Service
Manuals for the
Complete Service:
SERVICE MANUAL
Änderungen vorbehalten Printed in Germany Service Manual Sach-Nr.
Subject to alteration VK 231/233 0896 Service Manual Part No. 72010-749.75
M 100-A
M 100-R
by
by
M100-R
M100-R
H
DDA
DISCRETE AMPLIFIER
IGH DYNAMIC
H
DDA
DISCRETE AMPLIFIER
IGH DYNAMIC
SOURCE
SOURCE
MONITOR
MONITOR
STATION
STATION
VOLUME
VOLUME
-
-
+
+
BASS
BASS
BALANCE
BALANCE
PHONES
PHONES
TREBLE
TREBLE
+
+
-
-
+
+
-
-
R
R
L
L
POWER
POWER
LOUDNESS
LOUDNESS
DIRECT
DIRECT
SPEAKERS
SPEAKERS
MEMORY
BAND
MONO
MEMORY
BAND
CANCEL
CANCEL
MONO
TUNING
TUNING
MUTING
MONO
DIRECT
AB
STEREO AUTO
ANTENNA CABLE
########
MHz
kHz
by
by
POWER
POWER
M100-A
M100-A
TUNER
LOUDNESS
SPEAKERS B
H
DDA
OIOIOI OIOIO
OIOIOIO
H
DDA
OIOIOI OIOIO
OIOIOIO
SOURCE
SOURCE
TAPE/MONITOR
TAPE/MONITOR
VOLUME
VOLUME
-
-
+
+
BASS
BASS
BALANCE
BALANCE
PHONES
PHONES
TREBLE
TREBLE
+
+
-
-
+
+
-
-
+
+
-
-
LOUDNESS
LOUDNESS
DIRECT
DIRECT
SPEAKERS
SPEAKERS
1 2 3 4 5
6 7 8 9 0
STATION
VOLUME
SAT
TV
TAPE 1 2
CD/disc
TUNER/pty VCR
SAT
TV
8
3
Z
T
1
A/V REMOTE CONTROL-URC1
E
a
P
P
P
HIFI TV/VCR
HIFI
88
TXT/
6
P
P
P
AV
Install
–
+
CENTRE
SURROUND
REAR
$
#
2
RECORD
w
by
M 100-A (9.55361-8150 / G.LG 02-50)
IR-Geber / IR Remote Control (59802-624.01)
by
M 100-R (9.55362-8150 / G.LG 03-50)
IR-Geber / IR Remote Control (59802-624.01)

Grundig Fine Arts M 100-R Specifications

General

Tuning range	FM: 87.5 - 108 MHz, AM: 522 - 1611 kHz
Frequency response	10 Hz - 50 kHz
Weight	10.5 kg
Output power	2 x 100 W (4 ohms)
Input sensitivity	200 mV
Channel separation	>50 dB
Output	Speakers
Speaker load impedance	4 - 8 Ω
Input Impedance	47 kΩ

Summary

General Section

Test Equipment / Aids

Lists necessary measurement tools for servicing the unit.

Disassembly Instructions

Step-by-step guide for safely taking the unit apart.

Operating Hints

Explains the basic operation and controls of the device.

Adjustment Procedures

Tuner Adjustment (M 100-R)

Calibration steps for the tuner module, including IF filters and demodulator.

Amplifier Adjustment

Procedure for setting the quiescent current in the amplifier section.

Circuit Diagrams and Layout of PCBs

Tuner Alignment Plan

Diagram showing alignment points and component layout for the tuner.

Display M 100-R Layout

Pin connections and layout diagram for the display module.

Mains Unit / Supply Board

Schematic and layout for the power supply and AC outlet board.

Tuner Board

Schematic and layout for the tuner circuitry.

Input Board

Schematic and layout for the unit's input and phono equalizer stages.

Volume, Tone, RC Boards

Schematics for volume control, tone control, and remote control logic boards.

AF Output / Headphone Boards

Schematics for audio output stages and headphone socket connections.

Control Board M 100-R

Schematic diagram for the main control unit of the M 100-R.

Control Board M 100-A

Schematic diagram for the main control unit of the M 100-A.

Amplifier Board

Schematic and layout for the left and right channel amplifier boards.

Wiring Diagram

Overall connection diagram illustrating inter-board wiring.

Spare Parts Lists and Exploded Views

Exploded View M 100-A

Diagram showing the assembly of the M 100-A unit with numbered parts.

Spare Parts List M 100-A

Detailed list of components and part numbers for the M 100-A.

Exploded View M 100-R

Diagram showing the assembly of the M 100-R unit with numbered parts.

Spare Parts List M 100-R

Detailed list of components and part numbers for the M 100-R.