Marantz 2600 - Page 5

MODEL 2600 AM/FM STEREOPHONIC RECEIVER
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INTRODUCTION
This service manual was prepared for use by Authorized
Warranty Stations and contains service information for
Marantz Mode! 2600 Stereophonic Receiver.
Servicing information and voltage data included in this
manual are intended for use by the knowledgeable and
experienced technician only. All instructions should be read
carefully. No attempt should be made to proceed without
a good understanding of the operation of the receiver,
The parts list furnishes information by which replacement
Parts may be ordered from the Marantz Company. A simple
description is included for parts which can usually be ob-
tained through local suppliers.
1. P.W. BOARDS
As can be seen from the circuit diagram the chassis of
Model 2600 consists of the following units. Each unit
mounted on a printed circuit board is described within
the square enclosed by a bold dotted line on the circuit
diagram.
1. FMFrontEnd ...... mounted on P.W. Board P100
2. AM Tuner, FM IF &
MPX Stereo Decoder .. mounted on P.W. Board P200
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=D0NRND
12.
13.
14,
15,
16.
17.
18.
19.
20.
21.
22.
23.
. FMNoise Amp...... mounted on P.W., Board PB0O
FM Buffer Amp ..... mounted on P.W. Board PCO1
. Phono Amp & Selector
Switch .........., mounted on P.W. Board P400
. MainAmp,........ mounted on P.W. Board P700
. Power Supply ...... mounted on P.W. Board P800
. Pre& Tone Amp .... mounted on P.W. Board PEO1
. Dolby NR Socket .... mounted on P.W. Board PKO1
Audio Muting ...... mounted on P.W. Board PNO1
Buffer Amp for Scope
Input ............ mounted on P.W. Board PDO1
Tape Copy, Tape Monitor & Scope
Display Switches .... mounted on P.W. Board PSO1
Filter Amp ........ mounted on P.W. Board PT01
Dubbing In & Out
Jacks ..........0. mounted on P.W, Board PUO1
Speaker System Switches &
Attenuator ........ mounted on P.W. Board PW01
Function
Indicator
..
mounted
on
P.W.
Board
PYO1
DialLamp......... mounted on P.W. Board PZ01
Buffer Amp........ mounted on P.W. Board PR50
Scope Amp ........ mounted on P.W. Board P900
Peak Indicator &
Soft Start ........., mounted on P.W. Board PX01
Power Transistor
Connection ........ mounted on P.W. Board PMO1
Quartz Lock ....... mounted on P.W. Board PC50
Touch Senser ...... mounted on P.W. Board PK51