Panasonic SAAK15 - MINI HES W/CD-P User manual

Servlce Manual
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orcmAL
AUOTO
6
MASH-
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n,,r\,\h¿r,,nt
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(6f))
20
Hz
-20
kHz
(-3
dB)
250
mV,
14ko
87.9
- 107.9
MHz
(200
kHz
steps)
87.5
-108.0
MHz
(100
kHz
steps)
23.3
dBf
(a.0¡rV,
IHF'58)
0.3%
0.5%
60
dB
60dB
40
dB
30
dB
75
Q (unbalanced)
52O
- 1710
kHz
280
pVim
630
pV/m
40dB
44.1
kHz
.16
bittinear
Semiconductor
laser
/780
nm
2channels,
Stereo
20
Hz
-20
kHz
(+1
dB,
-2
dB)
Area
isrtti"
ror
I
Model
No.
[!, I U.S.A
Music
Center
SA-AK15
(P)
a.-. i , il
i;.:sc
DE /¡t1;r"i.
;ílCHlVO t-"
CD
Stereo
System
Speaker
SB-AK15
(P)
l¡mi1
8fs
MASH
(1
b¡tDAC)
4 |rack,
2 channel
Solid
permalloy
head
Doublegap
ferritehead
DC
servomotor
AC
bias100
kHz
AC
erase100
kHz
4.8
cm/s
(1-A
ips)
35Hz
- 14
kHz(+1
dB,
-3
dB)
35Hz
- 14
kHz(+1
dB,
-3
dB)
50dB
(A
weighted)
0.14%
(WRMS)
Approx.
120
seconds
with
C-60cassette
tape
95W
AC
120V,60
Hz
270
x 330x290
mm
(105/u
x13"x11'./.r")
7.0
kg(15.alb)
SA-AK15
Colour
| ::-.
i (K)
.et".f fyp"
Area IColour
L (K)
tk MASHis
atrademark
ofNTT
Remote
Control
Transmitler SA-AK15
TAPE
SECTION
:
AR2
MECHANTSM
SERTES
CD
SECTION
:RAE0152Z-M
TRAVERSE
DECK
I Specifications
I Amplifier
Section
1kHz
continuouspower
output,
bothchannels
driven
RMS
power
output 2
x
30W (THD
1.5%,
6
(2)
t80Hz
- 20
kHz
both
channels
driven 2x25
W (THD
1%,
6O)
Total
harmonic
d¡stortion
Halfpowerat 1 kHz
Frequency
response
AUX
Input
sensitivity
andimpedence
AUX
I FM
Tuner
Section
Frequency
range
Sensitivity(For500mW)
Total
harmonic
distortion
MONO
STEREO
S/NMONO
STEREO
lmage
reject¡on
at
98.1MHz
Stereo
separation
at 1 kHz
Antenna
terminal(s)
I AMTuner
Section
Frequency
range
Sensitivity
(s00
mw)
(s/N
20
dB)
lmage
rejection
at1000
kHz
I CDSection
Sampling
frequency
Decoding
Beam
source/wave
length
Number
ofchannels
Frequency
response
f" rNoREso
r) | -o@',íi.¿dB
rJrsA)
SB-AK15
SERIES
S/N CD
UNIT
Wowand
Digital
filter
D/Aconverter
I Cassette
Deck
Section
Tracksystem
Heads
Record/playback
Erasure
Motor
Record¡ng
system
Erasing
system
Tape
speed
Frequency
response
at DECK
OUT
NORMAL
HIGH
POSITION
S/Nratio(NORMAL
typetape)
Wowandflutter
Fast
forward
andrewind
times
I General
Power
consumption
Power
supply
Dimensions(WxHxD)
Weight
Notes:
1.Specifications
are
subject
tochange
withoutnotice
Weight
anddimensions
areapproximate.
2. Total
harmonic
distort¡on
ismeasured
bythe
dig¡tal
spectrum
analyzer.
.cr
1998
Matsush¡ta
Electronics(S)
pte.
Ltd.
Allrights
reserved.
Unauthorized
copying
and
distributionis
aviolation
oflaw.
SB-4K15
Panasonic'

SA.AKl5
: WARNING
This
servlceinformation
is
designedfor
experiense
repairtechnicians
onlyandisnot
designedfor
usebythe
generalpublic.
ltdoesnot
contain
warnings
or
cautions
toadvisenon-technical
individuals
of
potential
dangers
inattempting
toservice
aproduct. Products
powered
by
electr¡city
should
beserviced
orrepaired
onlyby
experienced
professional
technicians.
Anyattempt
toservice
orrepair the
product
or
products
dealt
with
inth¡s
service
information
byanyone
elsecouldresult
inseriousiniury
ordeath.
I Gontents
BEFORE
REPAIR
ANDADJUSTMENT
..........
HANDLING
PRECAUTIONS
FOR
TRAVERSE
DECK
.....
SAFETY
PRECAUTIONS
..
PROTECTION
CIRCUITRY
PRECAUTION
OFLASER
DIODE
ACCESSORIES
CONNECTIONS
FRONT
PANEL
CONTROLS .....
SETTINGTHE
TIME
LISTENING
TO
COMPACT
DISCS
(PROGRAM
PLAY)
LjSTENTNG
TO
COMPACT
DTSCS
(CD
MANAGER
FUNCTTON)
....
BEFORE
RECORDTNG(DECK
2
ONLY)...
..........
RECORDING
FROM
COMPACT
DISCS
REMOTE
CONTROLBUTTONS
&FUNCTIONS
OPERATION
CHECKS
&MAIN
COMPONENT
REPLACEMENT.....
SELF.DIAGNOSTIC
DISPLAY
FUNCTION
CDTEST
MODEFUNCTION
I Before
Repair
andAdjustment
Disconnect
AC
power,
discharge
bothPower
Supply
Capacitors
C504and
C505through
a 10O
,
5Wresistorto
ground.
DO
NOT
SHORT-CIRCUIT
DIRECTLY
(with
ascrewdriver
blade,forinstance),
asthismay
destroysolid
statedevices.
Afterrepairs
arecompleted,
restore
power
gradually
using
avariac,
toavoid
overcurrent.
Current
consumption
atAC120V,
60
Hz,
inNO
SIGNALmode
should
be
-450mA.
I Handling
Precaut¡ons
For
Traverse
Deck
Thelaser
diodein
thetraverse
deck
(opticalpickup)
maybreak
downdueto
potential
difference
caused
bystatic
electricity
ofclothes
orhuman
body.
So,be
careful
ofelectrostatic
breakdown
duringrepair
ofthetraverse
deck
(opticalpickup).
2
2
3
3
3
4
4
5
. Handling
of traverse
deck(optical
pickup)
1.Donot
subjectthe
traverse
deck
(opticalpickup)
to
staticelectricity
as
itis
extremely
sensitive
toelectrical
shock.
2.To
prevent
the
breakdown
ofthelaser
diode,anantistatic
shorling
pin
is
insefied
intotheflexible
board
(FFC
board).
Whenremoving
orconnecting
theshort
pin,
finishthe
job
in
asshort
time
as
possible.
3.
Take
carenot
toapply
excessive
stresstotheflexible
board
(FFC
board).
4.Do
notturn
thevariable
resistor
(laserpower
adjustment).lt hasalready
beenadjusted.
. Groundingfor electrostat¡c
breakdown
prevention
1.
Human
body
grounding
Usethe
anti-staticwrist
strap
todischarge
thestatic
electricityfrom
your
Dooy.
2.Work
table
grounding
Putaconductive
material(sheet)
orsteel
sheetontheareawhere
the
traverse
deck
(opticalpickup)
is
placed,
and
ground
thesheet.
Caution:
The
staticelectricity
of
your
clotheswillnot
be
grounded
through
thewrist
strap.
So,takecarenot
tolet
your
clothes
touchthe
traverse
deck
(optical
pickup).
Cautionwhen
Replacing
theTraverse
Deck:
Thetraverse
deckhasashort
po¡nt
shortedwith
solderto
protect
thelaser
diodeagainst
electrostatics
breakdown.
Be
sureto
remove
the
solderfrom
the
short
point
beforemaking
connections.
Page
2 MEASUREMENTS
AND
ADJUSTMENTS
TERMINAL
FUNCTION
OFlC's
WIRING
CONNECTION
DIAGRAM
BLOCK
DIAGRAM
TERMINAL
GUIDE
OFlC's.TRANSISTORS
ANDDIODES..
SCHEMATICDIAGRAM
PRINTED
CIRCUITBOARD
TROUBLESHOOTING
GUIDE
MECHANISM
PARTSLOCATION
(RAA34O7)
Page
19-20
21
-23
24
25- 31
32
32-45
qO - J I
52
53-54
55
55
56
57,58
59
- 6.t
62-65
66
ol
5 MECHANISM PARTS1IST............
6 LOADINGMECHANISM PARTS
LIST,...........
7 CDLOADING
UNITPARTS
LOCATION
7-8 CABINETPARTSLOCATION
9 REPLACEMENT PARTSLIST
............
10
- 15 RESTSTORS
&CApACTTORS
...........
16
- 17 PACKING
MATERIALS
&
ACCESSORIES
.,,........,,.........
18
PACKAGING,,,
f:FC
board Lens
(Do
noi
touch)
Shortpoinl
Optical
pickup
No.
@
(GND)pin No.
€) (LD)pin Variable
resislor
(Do
not
turn)
Wrist
strap
-\--7
(Anti-:19!9
ilegqglll
lron
plate
orsome
metals
to
conducl
electr¡city
-2-

SA-AK15
I Safety PfeGaUtiOnS (rhis"sarety
precaution,'is
apptied
onty
in
usA.)
1. Eefore
servicing,
unplug
the
power
cordto
prevent
an
electricshock.
2. When
replacing
parts,
useonlymanufacturer'srecommended
componentsforsafety.
3. Checkthe
condit¡on
of
the
power
cord.Replace
ifwear
ordamageisevident.
4. After
servicing,
besure
to
restore
thelead
dress,insulation
barriers,insulation
papers,
shields,etc.
5. Beforereturning
the
servrcedequipment
tothecustomer,
besuretomakethefollowing
insulation
resistance
test
to
prevent
the
customerfrom
beingexposedto
ashockhazard
. Insulation
Resistance
Test
1. Unplug
the
power
cordandshort
thetwo
prongs
ofthe
plug
with
a
jumper
wire.
2. f urnonthe
power
switch.
3. Measure
theresistance
valuewith
ohmmeterbetween
the
jumper
AC
plug
andeachexposedmetal
cabinet
part,
such
asscrewheads,
antenna,control
shafts,handle
brackets,etc.Equipmentwith
antenna
term¡nals
shouldread
between
3MQand5.2MOto
allexposed
parts-.
(Fig.
1
)Equipmentwithout
antenna
term¡nals
shouldread
approximatelyinfinity
toallexposed
parts.
(Fig.2)
.Note
:
Some
exposed
parts
may
beisolatedfrom
thechassis
bydesign.Thesewillreadinfinity.
4. lfthemeasurement
isoutsidethe
specifiedlimits,
thereis
apossibility ofashockhazard.The
equipment
should
berepaired
andrechecked
beforeitisreturned
tothe
customer.
Antenna
Iermrnal
Exposed
melal
part
f¿r/
¡\ I
\-]:'orrmmeter
Fig.1
Resistance-3Mo-5.2Mo
Exposed
melal
part
lfthisoccurs,followthe
procedure
outlinesbelow:
1.Turnoffthe
power.
2.Determinethe
causeoftheoroblemandcorrectit.
3.Turnonthe
power
onceagainafterone
m¡nute.
Note:
Whenthe
protection
circuitry
functions,
theunitwillnotoperateunless
the
power
isfirstturnedoff
and
then
onagain.
I Protection Circuitry
The
protection
circuitrymayhave
operated¡f
eitherofthefollow¡ng
conditions
arenoticed:
. No
soundisheard
whenthe
power
isturned
on.
. Sound
stopsduring
aperformance.
Thef
unction
ofthiscircuitry
isto
prevent
c¡rcuttry
damageif
,
for
example,
the
positive
and negative
speaker
connectionwires
are
"shorted',,
or
if
speaker
systemswith an impedance
lessthan
the indicatedrated
impedance
ofthe
amplifier
areused.
I Precaution
ofLaser Diode
CAUTION:
This
unitutrlizes
aclass1laser.Invisrble
laserradiation
isemittedfrom
theoptical
pick
uplens.
When
theunitis
turnedon:
1.Do
notlook
directlyintothe
pick
uplens.
2.Donot
use
opticalinsturments
tolook
atthe
pick
uplens.
3.
Do
notadjust
the
preset
variable
resistor
onthe
pick
up
lens.
4.Donot
disassemble
the
optical
pick
up
unit.
5.lfthe
optical
pick
upisreplaced,
usethemanufacturer's
specifiedreplacement
pick
uponly.
6.Useof
controlor
adjustmentsor
performance
of
procedures
otherthanthose
specified
herein
may
result
inhazardousradiation
exoosure.
CAUTION!
THIS
PRODUCT
UTILIZES
ALASER.
USE
OFCONTROLS
ORADJUSTMENTS
ORPERFORMANCE
OFPROCEDURES
OTHERTHANTHOSE
SPECIFIED
HEREIN
MAY
RESULT
INHAZARDOUS
RADIATION
EXPOSURE.
I Accessor¡es
AC
power
supply
cord
(SJAI72)
.pc. FM
indoor
antenna
(R5A0006)
ñ
AMloopantenna
set
(RSA0022)
.
AMloop
antenna..........1
pc.
' Alvl
antennaholder..........1
pc.
Remote
controltransmitter
(RAK-CH94OWK)
..........1
pc
--"^"
-"t )-t
| --/
'trtt )
\. '/
Batter¡es
IR6/1R6,
AA,
UIV-3]
..........2
pcs.
-3-

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