Marantz 5010 - Test Equipment Required

INTRODUCTION
This service manual and prepared for use by
Authorized Warranty Station and contains ser-
vice information for Marantz Model 5010 Stereo
Cassette Deck.
Servicing information and voltage data included
in this manual are intended for use by the knowl-
edgeable 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 Cassette
Deck.
The parts list furnishes information by which
replacement parts may be ordered from the
Marantz Company. A simple description is in-
cluded for parts which can be usually obtained
through tocal suppliers.
1. P.W. BOARDS
As can be seen from the circuit diagram, the
chassis of Model 5010 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. Pre-Amp, Power Supply
&Dolby .... mounted on P.W. Board, P100
2. LED a5 cei 2 3 mounted on P.W, Board, P600
3. Terminals . .. mounted on P.W. Board, P700
4. Fuse (N&P versions
only) ...... mounted on P.W. Board, P400
2. TEST EQUIPMENT REQUIRED FOR
SERVICING
For measuring or checking the Model 5010,
the following instruments and materials are
necessary.
VTVM
Audio Oscillator (af OSC)
Attenuator (600 Q)
Oscilloscope
Bandpass Filter (1 kHz, 500 Hz)
IEC A-Curve Filter
Wow and Flutter Meter
Torque Meter (Cassette Type}
Digital Frequency Counter
Distortion Meter
Blank Tapes (Completely erased with bulk
eraser)
TDK AC-211 (Normal)
TDK AC-511 (CrO,)
SONY CS-30 (Fe-Cr)
NOTE: if any doubt is noted in a measured
value, use new tape.
@ Test Tapes (New Tape)
MTT-111 Wow and Flutter Tape Speed
MTT-112 Measurement of Output Level
Signal-to-Noise Ratio
MTT-150 Adjustment of Output Level
MTT-116U Frequency Response (for Normal)
MTT-116K Frequency Response (for CrO,,
Fe-Cr)
MTT-121 Cross Talk
MTT-141 Channel Separation
BIAS and EQ switches setting in accordance with
tape used are as follows:
Switch Position
BIAS Switch | EQ Switch
; i
a
a5
a