Marantz PMD420 User manual

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MARANTZ DESIGN AND SERVICE
Using superior design and selected high grade
components,
MARANTZ
company
has created
the
ultimate
in
stereo sound.
Only
original
MARANTZ
parts
can in$ure
that
your
MARANTZ
product
will
continue
to
perform
to
the
specifications for
which it
is
famous.
Parts for
your
MARANTZ
equipment
are generally available
to
our
National Marantz Subsidiary
or
Agent.
ORDERING
PARTS:
Parts can be ordered either by mail
or
by telex. In
both
cases, MARANTZ
part
number has
to
be specified. If
you
order
by
mail, fulfil
MARANTZ
order
forms.
MARANTZ
S.
A.
MARANTZ
NATIONAL
PARTS DEPARTMENT
. EUROPEAN PARTS DEPARTMENT
2, Avenue Leopold
Ill
8-7120
PERONNES-lez-BINCHE
BELGIUM
TWX:
57589
SEPLT 8
I
20525
Nordhoff
Street
Chatsworth, California 91311
Phone: [phone]
Phone:
1~998-9333
&718
The following information must be supplied
to
eliminate delays
in
processing
your
order:
1. Complete address
2. Complete
part
numbers and quantities required
3.
Description
of
parts
4.
Model
number
for which part
is
required
5. Way
of
shipment
6. Signature: any
order
form
or
telex
must
be signed otherwise such
part
order
will be considered as null and void.
PARTS ORDERING:
Parts may be ordered from
the
following addresses:
MARANTZ
S.A.
European
Parts
Department
2,
Avenue Leopold Ill
B-7120 Peronnes-lez-Binche
Belgium
MARANTZ
DENMARK
Bregneredvej 132b
3460
'.
Birkered
Denmark
MARANTZ
SVENSKA
A.
B.
Svartviksvagen 56
Traneberg
Bromma
Sweden
MARANTZ
S.A.
326
Avenue Louise
Bte
32
1050 Bruxelles
Belgium
MARANTZ
FRANCE
4
Rue
Bernard Palissy
92600
Asnieres
France
EUROPE
MARANTZ
AUDIO
U.K.
LTD
Unit 15/16
Saxon
Way
Industrial Estate
Moor
Lane
Harmondsworth UB7
OLW
Great Britain
MARANTZ
GERMANY
G.M.B.H.
Max Planckstrasse 22
6072
Dreieich 1
Germany
AUSTRALIA
MARANTZ
AUSTRALIA
PTY
19
Chard
Road
Brookvale, NSW 2100
Australia
MARANTZ
AUSTRIA
Ge.M.B.H.
25
Franz Lisztgasse
2
380
Perchtoldsdorf
Austria
MARANTZ
ITALIANA
S.p.A.
Via
Monte Napoleone
10
20121 Milano
Italy .
U.S.A.
MARANTZ
COMPANY,
INC
..
National Service
Dept
PO
. Box
577
Chatsworth,
CA
91311
U.
S.A.
MARANTZ
BELGIUM
45
Rue
Auguste
Van
Zande
1080 Brussels
Belgium
MARANTZ
NEDERLAND
B.V.
Wagenmakersweg 3
3449
HV Woerden
Netherlands
JAPAN
MARANTZ
JAPAN,
INC.
35-1,
7-chome, Sagamiono
Sagamihara-shi: Kanagawa
Japan
All
of
the
above locations are fully equipped
to
take
care
of
your
total
service needs. Because various countries have differing
configuration requirements, it
is
necessary
that
you
contact
the
service facility in
your
particular
country.
In
the
event
that
there
is
no service location listed for
your
country,
please,
contact
the
nearest facility for
the
necessary assistance. ·
NOTE-FOR
U.S.A.
ONLY
In
case
of
difficulties,
do
not
hesitate
to
contact
the
Technical
Department
at
abovementioned address.
Parts for
your
MARANTZ stereo are generally available within
72
hours
throughout
the
nation via a toll-free line
to
our
National Parts Depot in California. The sales professionals
who
take
your
call immediately refer
to
their own desk
top
computer
terminal and can quickly determine
the
availability and price information
you
require. If, for some reason, your
order
should exceed
our
available
stock,
we usually can instantly provide an alternate replacement
part
or
current delivery
information. When
the
order
is
placed and confirmed,
the
computer
simultaneously ge,nerates
"hard
copy"
orders at the
distribution center.
As
hard copies come directly from
the
computer
to
the
national parts
depot,
your
requested stock
is
assembled and prepared for shipment and placed
on
the
first available carrier
for
delivery
to
you.
Phone orders will eliminate mail delays, and we encourage
the
use
of
this
method.
If
you
order
by
mail, use
MARANTZ ' •
parts
order
forms which are available from MARANTZ NATIONAL PARTS DEPARTMENT.
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TABLE
OF
CONTENTS
SECTION
PAGE
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . •. . . . . . . . . . . . . . . . . . . . . . . . . . . . . •. . . 1
1.
2.
3.
4.
5.
SHOCK, FIRE
HAZARD
SERVICE
TEST.............................................
1
P.W.
BOARDS
...................
:-
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
TEST EQUIPMENT FOR SERVICING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . 1
MECHANISM
AND
CIRCUIT DESCRIPTION
.....................................•...
2
4.1
MIC
AMP
and Attenuator
••
-
•••••••.•••••••••••••.•••••
, , , • • • • . • • • • • • • . . • • • . . . • • . •
2
4.2 Auto
PLAY
and Automatic Rewind Stop • . • • • • • • • • • • • . • • • • • • . • . . . • . . . . . • • . • • • • • . . • • • • •
2
4.3 Auto Stop
..•...•.•••••••••••••.••••
, • • • • • • • • • . . • • . . . . • . . . . • . . . . • • . • . • . . • . . .
2
4.4 Pitch Control . . . . . • • . . . . . • • . • • • • • . • . • . . . . . • • • . . • . . . • • • . • . . . . • . . • . . • • . . • • • • • • • • 2
ELECTRICAL ADJUSTMENTS
....................................................
3
5.1 Head Azimuth Adjustment . . • • • . . . . . . . . . . • . . . . • . . • . . . • • • • . . • • . . • • • • • . • • • • • • • • • • • • •
3
5.2 Tape Speed Adjustment . . • . . . . . . . . . . . • . . . . . . . • . . . . . . . . . . . . • . . • . . . . . . . . • . . . • . . • . . .
3
5.3 Playback Equalizer Adjustment . . . . • . . . . • • . . • . . . • . . . . . . . . . . . . • • . . . . • . . . • • . • • • . • • • • • •
3
5.4 Playback
Level
Adjustment . • • . . • • . • • . • • . • . . . • . . • • . • • . • . • . • . . • • • • • • . • • . • • • • • • • • • • •
3
5.5
Level
Meter Adjustment
...••...•••..•...•.....•.•.........••••••.•••••••••••
, • • •
4
5.6 Playback Noise Measurement • • • . • • • • • . . . . . . . . . . . • . • • • . • • • • • • • • • • • • • • . • • • . • • • • • • • • •
4
5.7
MPX
Filter Measurement • • • • • • • • • • • • . • . • . • . . • • . . • • • • • • • • . • • • • . • • • • • • • • • • • • • • • • • • •
4
5.8 Record/Playback
Level
Adjustment . . • . • . • • . • . • . . . • . . . • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 4
5.9 Record/Playback Frequency Response Adjustment . . . . . . . . . . . • • • • • • • • • . • • . • • • . . • • . • . . • • • • 4
5.10 Alignment Points . . • . . . . • . . . . • . . . . . • . . . • . . . . . • . . • . . . • . . • . • • • . • • . . • . . • • • . • . . • • • •
5
6.
DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
6.1 Block/Level Diagrams • . . . • • . . . • . • . . • • . . . . . . . . • • . • . • • . . • . • • • • . • • • • • • • • • • • • • . . • • • •
6
6.2 Chip Component Locations • • • • • • . . • • . . . . . . . . . . . . . . . . . • . . . • . • • • • • • • • • • • • • • • . • • • • • . 7
6.3
Wiring
Diagrams . • • • • . • • • • • • • • • • • • • • . • . . . . . • . . • • . . • • • • • • • • • • • • • • • • • . • • • . • • • • • •
8
7.
EXPLODED VIEW
AND
PARTS LIST
...............................................
10
•
8.
ELCTRICAL PARTS LIST
........................................................
•
16
9.
TECHNICAL SPECIFICATIONS
....................................................
22
10.
SCHEMATIC DIAGRAM
.......................
.
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MODEL PMD420/CP230 STEREO CASSETTE RECORDER
INTRODUCTION
This service manual
is
prepared for
use
by Authorized
Warranty Station and contains service information for
Marantz
Stereo
Cassette
Recorder.
Servicing information and voltage data included in this
manual
are
intended for
use
by the knowledgeable and ex-
perienced 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
Recorder.
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
be
usually ob-
tained through local suppliers.
1.
SHOCK, FIRE HAZARD SERVICE TEST:
CAUTION:
After
servicjng this appliance and prior
to
re
•
turning
to
customer,
measure
the
res
istance between
either primary AC cord connector pins (with
unit
NOT
connected
to
AC mains and its Power switch ON),
and
the
face
or
front
Panel
of
product
and
controls
and
chassis
button.
Any
resistance measurement
less
than 1 Megohms should
cause
unit
to
be
repaired or corrected before AC power
is
applied, and verified before return
to
user/customer.
Ref.
UL
Standard NO. 1270.
Para
66. 3. D (Mandatory
Test after servicing Electrical Appliances, effective 7•1-83).
2.
P.W.
BOARDS
As can
be
seen from the circuit diagram, the chassis
of
your
Cassette
Recorder consists
of
the following units.
Each
unit
mounted
cm
a printed circuit board
is
described
within the square enclosed by a bold dotted line
on
the cir-
cuit diagram.
1. Rec/Play
Amp
.......
mounted on
P.W.
Board
P100
2.
Bias
OSC
...........
mounted on
P.W.
Board
P200
3.
Mic
Switch
.........
mounted on
P.W.
Board
P300
4.
L.E.D.
.
...........
mounted on
P.W.
Board
P400
5. Rec/Play
Sub
.
.......
mounted on
P.W.
Board
P500
6.
Mecha
Control
.......
mounted on
P.W.
Board
P600
7.
Control
Switch .
......
mounted on
P.W.
Board
P700
8.
Light
.............
mounted on
P.W.
Board
PSOO
9.
Mic
Mode
..........
mounted on
P.W.
Board
P900
3. TEST EQUIPMENT REQUIRED FOR
SERVICING
For measuring
or
checking
your
Cassette
Recorder, the
following instruments
and
materials
are
necessary.
•
VTVM
• Audio Oscillator
(AF
OSC)
• Attenuator
(600
n)
• Oscilloscope
• Bandpass Filter
(1
kHz)
•
IEC
A-Curve Filter
•
Wow
and
Flutte.r
Meter
• Torque Meter (Cassette Type)

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• Digital Frequency Counter
• Distortion Meter
• Blank Tapes (C9mpletely
erased
with bulk eraser)
TDK
AC-212
(Normal)
TDK
AC-512 (Special/CrO2)
TDK
AC-712 (Metal)
NOTE:
If
any
doubt
is
noted
in
a
measured
value,
use
new
tape.
•
TestTapes
MTT-111
MTT-112
MTT-1128
MTT-150
MTT-256
MTT-356
MTT-121
MTT-141
(New Tape)
Wow
and
Flutter, Tape
Speed
Measurements ofOutput Level
Signal-to-Noise Ratio
Adjustment of Output Level
Frequency Response (for Normal)
Frequency Response (for Special/
Cr02,
Fe-C2
and
Metal)
CrossTalk
Channel Separation
4.
MECHANISM
AND
CIRCUIT
DESCRIPTION
4.1
MIC AMP
and Attenuator
The basic circuit for
the
mic amp
is
a low noise, positive-
phase amplifier utilizing OP Amp. It
is
used
iri
place
of
an
attenuator
to
modulate
the
amplifier gain
without
the
need
for an
attenuator
between
the
input
signal. Gain adjustment
takes place inside
the
NF
loop
of
the amplifier. When 0dB
occuring, a HIGH signal enters by way
of
CD
and
@
at
111,
0211,
O112and
0212
and maximum gain
is
achieved.
At
-15d8
the
level becomes HIGH only
at
CD
setting
both
0111
and
0211
to
ON, with maximum gain
at
-15d8.
At
-30d8,
the
level
at
both
CD
and
@
simultaneously be-
comes
LOW,
with maximum gain
at
-30d8.
With this sys-
tem, compared
to
when
the
attenuator
is
on,
the
input
noise
is
fixed and lowering of
the
signal-to-noise ratio,
which occurs when
the
attenuator
is
ON,
is
prevented.
0 0
2
4.2 Auto PLAY and Automatic Rewind Stop
With SC03 set
to
ON
during PLAY,
the
rewind
button
will
lock when pressed. When
counter
reaches
999,
the
rewind
lock releases and the PLAY operation resumes.
In
this
condition, both CUE and REVIEW
buttons
do
not
operate
and
both
buttons
are locked. Also, when
the
FF
button
is
pressed and locked
in
place,
the
lock releases when the
counter
reaches
"900"
and the PLAY
mode
is
entered. When
the
tape
has finished winding
in
both
modes before the
counter
reaches
the
respective positions,
the
AUTO STOP
function and
all
buttons
are released. Also when
the
RE-
WI
ND
button
alone is locked,
the
tape
rewinds and rewind
stops when
the
counter
reaches
"999".
The same applies
for fast toward operation which stops
at
"900".
When the
counte
r
is
between
"900
" and
"999".
both
REWIND and
FF
bottons
do
not
lock.
4.3 Auto Stop
The AUTO STOP function which detects
the
end
of the
tape
is
carried
out
by hole
IC
(OM20).
The
signal from
OM20
is
added
to
the
pin
©of
OM19,
while
the
auto
stop
duration
is
designated inside
OMl
9. The time it takes for
the
auto
stop
function
to
activate after the tape stops,
is
determined
in
CM08. At this time TE
is
TE
=
75 X
CMOS
(µF)mSec, while
TW
is
TW
=
30
X CM07 (µF)
mSee
as
long
as
the
auto
stop
function
is
operating.
When
it does
not
shut
off the first time, TE--Tw--TE-
-TW
is
repeated until it shuts
off
.
4.4 Pitch Control
The pitch control
is
used
to
vary
the
tape speed for play-
back operation.
Du
ring recording, it
is
automatically set
to
the
RC01
center position by S105-2.
Rec
-Play

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5. ELECTRICAL ADJUSTMENTS
Precautions for Adjustment and Measuremen _t
1. Before playing back the test tape, thoroughly demag-
netize
the heads, capstan and similar metal parts using
an erase, as
the test tape-recorded tone is easily erased.
2. Do not place the test tape on any measuring instrument.
3.
Do not put the test tape near a place where the eraser is
used.
4. Method of Demagnetization: Turn the eraser power ..
switch on at a position far away from the heads. Bring
the eraser close to the heads, capstan and other parts to
be demagnetized, and move it up and down four or five
times
to demagnetize. Slowly separate the eraser far
away from
the parts, and turn the power switch off.
5.
Do not use any magnetized adjusting tool. If necessary,
demagnetize with a bulk eraser from time
to time in the
course of each adjustment.
6. Do not turn semi-fixed resistor or coil more than needed.
7. Measure speed and wow and flutter in the normal
operating state.
8.
Do not apply locking bond excessively.
9. Check
the line voltage and the output of low frequency
oscillator 2 -3 times a day to see if they are set as
specified.
5.1
Head Azimuth Adjustment
1. Play the test tape MTT256 back. Adjust the head azimuth
adjusting screw for maximum VTVM reading.
2. If the peak levels
of the left and right channels are
different set
the screws to obtain the mechanical center
between the peaks.
3. After adjustment, repeat
the playback and stop settings
several times to confirm no azimuth deviation.
4. After adjustment, lock
the screws with bond.
5.2
Mode: Playback
Test Tape
MTT-256
14kHz
~ Unh
Tape Speed Adjustment
VTVM
1. Play the 3kHz signal of the test tape MTT·111 back.
2. Adjust
the adjusting resistor (RM05) on the P600 P.W.
Board so that counter readings are between 2990 -
3010Hz.
Mode: Playback
Test Tape
MTT-111
3 kHz
Unit
Line Output
Frequency
Counter
I 000000 1
3
5.3
Playback Equalizer Adjustment
1. Adjust the tape selector switch to NORMAL.
2. Play
the 315Hz signal of the test tape MTT-256 back.
The VTVM
at 0dB.
3. Play the 12.5kHz signal of the test tape back. Confirm a
frequency response
of Oto ldB in reference to the 315Hz
signal level.
5.4
Then, play the 12.5kHz signal back. Set the tape selector
to CrO2, Metal. Confirm the 12.5kHz signal readings at
-4.5dB, ±1dB.
Mode: Playback
Test Tape
MTT-256
14 kHz
Playback Level Adjustment
VTVM
ldl
1. Adjust the Tape Selector Switch to NORMAL and turn
the NR switch OFF.
2. Play the test tape MTT-150 back. Adjust R110(L) and
R210(R) so
that the voltage of OA02 @pin and @pin
is 100mV. In this operation, make sure the voltage of
LINE OUT reads 550mV + ldB.
NOTES:
1. Proceed both for the night and left channels in the same
way.
2. For details refer
to "Playback equalizer adjustment".
Mode: Palyback
Test Tape
MTT-150
0A02
@@ Pin
5.5 Level Meter Adjustment
VTVM
ldl
1. Adjust the Tape Selector Switch to NORMAL and turn
the NR switch OFF.
2. Play
the test tape MTT-150 back. Adjust R128( L) and
R228(R) at +3dB Level Meter reading.

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5.6 Playback Noise Measurement
1. Set the selector switch to NORMAL and NR switch to
OFF.
2. Play back the blank tape and make sure that the noise
volume
is below 2mV when the REC LEVEL Knob is
set to both maximum and minimum.
NOTES:
1. Perform measurements when the power hum is at mini·
mum.
2. Perform measurements under conditions where induc-
tion noise will not affect measurements.
5.7 MPX Filter Measurement
1. Adjust the Tape Selector Switch to NORMAL.
2.
Put the blank tape in the cassette holder, and set the
recording conditions. (Dolby NR "ON", MPX "ON"
positions)
3.
Add a 1kHz -20dB signal to LINE IN . Adjust the Rec.
Volume
knob . to 0dB Level Meter reading.
4. Set the input signal at 19kHz ±10Hz. Adjust T101 (L)
and T201 (R)
to the minimum level.
Mode: record
AFOSC TONE: 1 kHz, 100mV
VTVM
ldl
Unit
Line Input Line Output
5.8 Record/Playback Level Adjustment
1. Set the tape selector switch to NORMAL.
2. Insert
the AC-212 test tape in the cassette holder and set
the specified recording condition (LINE OUT: 350mV) .
3. Adjust R119(L) and R219(R)
to the same level as the
monitoring level when the tape is played back after
rewinding.
4. As for CrO2/METAL tapes, make measurements with
the AC-512 and AC-711 test tapes as described above.
5.9 Record/Playback Frequency Response Ad-
justment
[NORMAL]
1.
Set the tape selector switch to NORMAL. (with Dolby
NR "ON" and MPX "OFF")
4
2. Insert the AC-212 test tape in the cassette holder and set
the recording conditions. Attenuate from 550mV to
25dB on Line Out with the attenuator and record at
1KHz and 10KHz on an unrecorded section of the tape.
3. Rewind the tape and adjust CB01 (L) and CB02(R)
so that the level for 1KHz and 10KHz is brought within
±0.5dB for playback.
4. After making these adjustment, record and playback at
1KHz, 10KHz and 12.5KHz. Make sure results comply
with
the following diagram.
NR
•oFF•
C,,..~O-H_z _____ ,..!._
3
_d_e_10""'~.Jl•
12.5KHz
NR
•oN•
-----~t-3-dB~l'~dB
250Hz O ~•
I KHz 12.5KHz
[CtO2 l
1. Set the tape selector switch to CrO2 •
2. Insert the AC-512 test tape in the cassette holder and
set the recording conditions. Attenuate from 550mV to
25dB on Line Out with the attenuator and record at
1kHz, 1 Ok Hz, 12.5kHz and 15kHz on an unrecorded
section
of the tape.
3. Rewind
the tape and adjust CB01 ( L) and CB02(R) so
that the level for 1kHz and 1 Ok Hz is brought within
±0.5dB
for playback.
4. After making these adjustments, record and playback at
1kHz, 10kHz, 12.5kHz and 15kHz. Make sure results
comply with the following diagram.
NR
3d8
5d8
BdB
250Hz
15KHz
-~13_dB-,7J5dB
250Hz IOK~H
z 12.5KHz

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6.2 Chip Component Locations
.~ .... ~
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.. _ ' ' -!""
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7
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[METAL]
1. Adjust the Tape Selector Switch to METAL.
2. Load
the test tape AC- 711 into cassette holder. Perform
measurements
as with CrO2, and make sure they con-
form with
the Chart in right.
NOTE:
Adjustment points for NORMAL, CrO2, METAL are
common with CB01 (L) and CB02(R).
5.10 Alignment Points
5
3d8
250Hz
15KHz
__ _.._13_dB--~ '5de
250Hz IOK~
12 .5KHz

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6.
DIAGRAMS
6.1
Block/Level Diagrams
• [RECORDING MODE] LINE
OUT
f: 1KHz 0A02
MPX
Jl03
FILTER a
DOLBY
MIC
q
BUFFER
MIC
@
JI05
LINE IN
©
Jl02
(dBV)
+3
8
..
• 0
►
-10
-20
-20
-30
-40
-50
~
•
-60
-70.
[PLAYBACK MODE]
JI02
/
MTT-150
•
400Hz
200nwb/m 0A02
HEAD PHONE
DOLBY '
(£
RIIO
JI05
( dBV)
0
-5
-10
-20
-30
-40
-50
~
•
-60
-70
6

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•
•
•
•
7. EXPLODED VIEW AND PARTS LIST
[C01-99) FRONT PANEL AND GENERAL PARTS
REF.
Q'TY
DESIG. PART NO. DESCRIPTION
u
N
A
p
0028
1 1 1 1 153T064020
Case
Front
0068
1 1 1 1 153T154500 Knob
Rec
Volume
(L)
(K)
0098 1 1 1 1 153T154510 Knob
Rec
Volume
(R)
(K)
012B 1 1 1 1 153T154030 Knob Monitor Volume
0138 1 1 1 1 153T154040 Knob Batttlight
0148 1 1 1 1 153T154050 Knob Limiter
017B 1 1 1 1 153T265010 Indicator Front
Case
0248 1 1 1 1 153T005010 Clamper
Rec
Volume
(R)
0458 4 4 4 4 51102606SO B.H.M. Screw
051B 1 1 1 1 153T251010
Badge
(MARANTZ)
0558 1 1 1 1 153T303030 Mask (A)
0568 1 1 1 1 153T303040 Mask
(B)
001F 1 1 1 1 153T104020 Retainer
Level
Meter
002F 1 1 1 1 153T160050 Bracket Top
Case
003F
1 1 1 1 153T160060 Bracket Top
Case
(LI
004F
1 1 1 1 153T160070 Bracket Top
Case
(R)
008F 1 1 1 1 153T104070
Retainer
P.W.B
+
Volume
009F 1 1 1 1 153T113010 Stud P.W.B.
013F
4 4 4 4 153T118010 Spacer
016F
2 2 2 2 5130260880
P.H.
Tapped Screw P2.6x 8
016F
3 3 3 3 5157260680 P. Tapped Screw
P2.6x6
017F 1 1 1 1 5130030880
P.H.
Tapped Screw
P3
x 8
q -
P200
REF.
O'TY
DESIG.
u N
A
p
018F 1 1 1 1
019F 3 3 3 3
N001
N002
10
.----
PIOO
/ 1
.
i.
015F
0
002F
PART NO.
5157260480
5130030680
iM31040010
iM31040020
l
'
,
r,
i '
• (Ul:for
USA
/;
•
(Nl
:for
Europe
[
• (Al:for
AUS1rllll
• (Pl:for
PX
DESCRIPTION
P. Tapped Screw
P2.6x4
P.H.
Tapped Screw
P3x6
V.U. Meter Left
V.U. Meter Right