JVC MF-33L User Manual

MF-33L/ML |
Contents
Page
Cautions for Safety Assurance at the Service ....... 2
Specifications... 2... 0.0020 c cee eee eee 3
F@aturres: eco dese ea eilee se wt Be a ee can ee ta 3
Name of External Parts and Internal Parts ......... 4
Disassembly Instruction ........... 000. e eee 5
Record Player Adjustment ..........6..058+00- 6
How to Engage Dial String ........... 0022 eee 6
How to Remove Cassette Door...........200005 7
Removal of Cassette Mechanism. .........002005 7
Check Point After Replacement of Rotation Parts.... 7
Head Replacement and Adjustment ............. 8
Cassette Deck Circuit Board Adjustment.......... 8
Tuner Alignment... 0.0... 0. cee ee ee 10
Block Diagram .... 20... 00. e eee ee renee 12
Circuit Board Diagrams ........ 0.0 cc eee nee eenes 13
Tuner Circuit Board 2.0.0... cece eee ee eee eee 13
Control Amp. Circuit Board ..........2.020000e 14
Cassette Amp. Circuit Board ............0000005 15
NOTE:
Page
Power Amp. Circuit Board ..........0020005 16
Exploded View of Cassette Mechanism ...........- 17
Exploded View of Record Player Mechanism .......- 18
Service Parts List... 0... cc te eee es 19
Circuit Board Parts .. 0... 0.0 cee eee 19
Unit: Parts: 5.0 scans a eeed Aeeie eS ASA SS 21
Record Player Mechanism Parts..............- 22
Cassette Unit 2 occ iteseccete et esiere Hie Se tes 22
Cassette Mechanism Parts. ........6+0205085 23
Characteristics of Transistors. ..........2000005 24
Transistor and IC Lead Identification ............ 24
Terminal Voltages of Transistor &1C ............ 26
Schematic Diagram .......... 002 cee eee ene 27
Tuner Circuit... 1.2... ee ee 27
Control Amplifier... .......00000 eee eee 27
Cassette Circuit... ..... 0002: eee 28
Power Source & Amplifier. .......... 0000005 28
FOR REPAIR OF SPEAKER BAFFLE MODEL BA-33, PLEASE REFER TO THE SERVICE MANUAL
(No. 7021).
Cautions for Safety Assurance at the Service
Cautions for safety assurance at the service
In order to prevent from accidents, like fire or shock
hazard, please keep the following points for the safety.
1. The parts marked with A\ in the list of this manual are
safety assurance parts.
When replacing this kind of parts, make sure to use the
specified one.
2. Although in case of replacing the other kind of parts
than A\ mark, it is recommended to use the parts listed
in this manual to keep appliance safe and reliable.
3. When wire connection is made, solder the connecting
part after winding the wire round the terminal a few
turns in order to prevent easy disconnection.
4. When replacing the parts in the circuit marked in the
schematic diagrams use only the listed parts in this
manual. The marked circuit: ay
5. The symbol mark OOAW-| is showing a fusible resistor,
please use the listed parts.
6. The heat radiating parts (resistor, transistor, etc.) should
be
spaced
enough
from
printed
circuit
board,
plastics
or another electrical parts to be free from its heat.
Some
parts
may
radiate
big
heat
when
transistor
or
circuitry
has
been
damaged.
7.
When
altered
the
working
voltage
or
frequency
of
the
appliance
make
sure
to
specify
it
on
the
appliance
and
its
carton
case.
atin
a
Soldering
No. 7020

JVC MF-33L Specifications

General

Brand	JVC
Model	MF-33L
Category	Stereo System
Language	English