Luxman K-12 User manual

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MANUAL
LUXMANsrEREo
CASSETTEDEc"
K-12

IK-l2 Electronic Section Alignment procedure]
lo. ITEI'S TAPE
REQUIRED SEIECTOR
POSITION
EQSW I BIAS SW INPUI SIG'IAL ALIG\IMENT PROCEruRE LIMITEDSPEC REMRKS
P/B Output Level MTT-150 TIORMAI N0FX'/IAL Playback ]EACMTT-150(Dolby1eve1; 400H2200nwb/tn)
and adjust trjrnEr potentiorneter to obtain output
level of 580nV(-2.sdBn).
Ldr P/B Gah trR: \T.-107a
Rcl P/B Gain lR: VR-107b
-2.sdBn
-0. SdBn
Dolby off
Output VR:
MAX.
-t a-L ,r 'ia,{\.r, f_
IFY' n^<i fi^n
MTT-150 cfiz
EX
NOFMAL
NORMAL
Mter the step (1), check the P/B output level at the
"CIOZ" node,
Also check that at "EXr node.
-2.sdBn
io.
sas' If rated
Ievel can't
be obtained,
arnpcircuit
nay be sr.E-
Dolby Output
Level Check MTI-150 NORT',IAI NORMAL Set the Dolby Swto ONand adjust tritrner pot for
Dolby level adjust to obtain output level of 580nV
(-2.Sdhn) at LINE
otn jack.
Lch Dolbv Gain \R: \Rl03a
RcI Dolbv Gain \R: VR103b
Dolby on.
Dolby Output
Level Check
wi"th
MPXfilter 0'l
MTT-150 NOM,'AL NOFMAL Set the Dolby Swto "lrPX filter" position and cleck
the Dolby output level at LINE OJI jack. Dolby Sw 'rPx filte/'
position. If
out of spec,
anp circuit
nay be sus-
Bar-Graph l€vel
Adjustnent MTT-150 NORMAL NORMAL Adjust trimer pot for bar-graph leve1 adj
ust to
obtain 0w indication at 580rnvoutput level of LINE
oln. Ldr Bar-GraDhLevel Adi
ust \R: \RI04a
RahBar-Graph Level Adl ust \R: \RI04b
odB
I 0.
sd3
(odB level
should light
up.
)
Playback Head
Azinuth Aligunent MTT-
216 NOFI'|AL NORN{AL Playback MIf-216 {3180uS+120uS)to reproduce the
azimrth aligrunent signals (6.3kH2, 10kHz), and
adjust the aziruti adjust screw to obtain the na"tim,un
playback output level,
Also dreck, nonitodng {l oscilloscope, if there is no
phase-shifting between L and R charmels,
Playback EQ
Adjustrnent MTT-216 IIORMAL NORI'(AL Plaltack MTT-216
to ciec-l(that the first stardard siq-
na1'(3t5Hzl should be at -5.Sdln I 0.sdBm. Then
reprcdrce ioldlz signal, and a+just P/B EQtrirmer to
obtain outDut level of -25.5 -0.5d&n.
Lch P/B EQtrirrEr pot : VR-108a
Rch P/B EQtrirner pot : \R:108b
10Klz output ,
teve-L: -15.5 -
0.
sdBm
Dclby off

NO. rlIl'ts TAPE
MQUIRED SELECTOR
POSITIOI.I
EQSw I BrASsl'l INPI'TSIG.]AL ALIG\OIENI PROCEUJRE LI}'IITED REMARKS
8. P/B Frequency
Response
Adj
ust.
(nonnal
)
t{IT-216 NORMAL NORIIIAL
no sigral
Plaltack MTT-216
standard frcquency response signal
(315H2), and nake note of the output 1eve1. Then
playback the frequency adjr.Etnent signal frcrn 31.5H2
to inkHz. At this time, the playbagl output levet
at eaci frequencyshould be within :2d&n
whenthe
standard output level is regarded as zero (0).
Should be
within:2d&n,
referencing
3l5Hzsignal
as 0.
Dolby off
9. P/iJ frequency
Response
Adj
ust.
(CrO2,
Ex)
MTT.316 CrOz
EX NOR]iiAL Set EQSelector to "CrO2" (or "EX'J position. Play back standard frequency signal 315H2
of MTT-316
(5180uS+70uS),and rnakenote of the output level.
Then playback frequency aligunent signat from 31.sFlz
to l4ktlz. At this tine, the playba$koutput level
at each frequency should be withir :2d&n r'hen the
standard output level is regarded as zero (0).
Shouldbe
within:2dBn,
referencilg
315H2signal
as 0 [zero).
Dolbyoff
10. P/B Signal-to-
Noise Adjust. NORMAL NORMA-L Put the deck node without loading cassette
hub, and check noi.se 1eve1 at LINE oUTJacks.
Noise l€ve1 ----- no nore than -50dln(R[4s)
Likewise, check that at the respective mode: "CrOZ",
"E)c', "Do1by ol'1", "I.|PX.
FILTER
Should be no
lDre than
- 50d&r at each
node
11. FrequencyAdjr.lst.
of BIASOSC. cfz CrOZ Comect counter to the current output tenrinals of
erasing head lterninal No. 19 (+), No. 18 (-)].
set the BI.assw. to "cro2" node. Ilm the BLq.sosc
coi.1 to obtajn los}dlz oscillation frequency.
BIA.56C Coil --- L-201
Al-so check if oscillation frgquency at each I'NORMAL"
and "Exr Dosi.tion is 10skHz-skHz.
BiasoSC
frequency:
105ktlz
at CrO?
105ldz:sKtz-
At NORMAL
& EX
"REC'node
12. Bias Trap Adjust.
at RECEQAMP. EX EX CormectWl4vlbefore trap coil at mC EQAl'lP
for both
L and R ciarmels, ard adjust trap coil to obtain
ninim.un reading of vTlU.
Trap Coil --- L-ch L-105a
--- R-ch L-103b
At this tine, the VTW indlcatic'n should be no nore
than +20dBrn.
VTVMreadi-ng
should be no
more than
+
20dBn,
13. Bias Cunent Adj. NOFX''IAL NORMAI
CrOz CormectVTW across the 10-ohn resistor of the record
head.L-ch Tenri-nalNo. 42 ----- (+)
Terninal No. G.lD
---- (-)
R-ch Teminal No. 48 ----- (+)
Terninal No. G.lD
--- - (-)
(l) set the Blas sw to 'lioRMAI", and pre-set t}le
c1rrrent
-flow through the 10-ohn resistor to 300!A.
Trirmer Pot for NoRMAL
BIASADJ. -- Lch \4202a
Rdr I/T202b
NOFMAL
500!A
(=3nV,
at 10
ohns)

,J0. ]TEI6 TAPE
REQUI
REN SELECIORPOSITIO.I
EQSw
I Br.{sSW 1NPUTSIG{AL ALIG.IMENT PROGUJRE LIMIIED SPEC REI'IARKS
(2) Set the BIAS sw to "CrO2", and preset the BIy'S
currcnt to 400!4.
rrinnner
Potforcro2 Brr'ls
*j -- ks w31;
(5) Set the BIAS sw to "EX', and preset the BIAS
current to 650uA.
Trirmer Pot for EX BIAS Adj. -- Lch \T203a
Rdr \R201b
CrO2 400uA
(=4nV, at 10
ohns)
EX 650u4
(= 6.5mV,
at
10 ohrns)
4. Peaking Adjust at
MC. EQ. AN,IP NORI{AL
cfz
EX
NOFMAL 18kHz
l0onv
(
-18dBn)
201412
2IkHz
To keep out the action of B1AS
OSC,insed a tj.p of
paper in the leaf switch connected in series with
the power slpply to the oscillator. (The leaf Swis
placed near the nain solenoid.) Thenput the deck
into the "REC'node.
(1) Set the Equalizer Swto the iNoRN[AI"
position,
and apply l8kllz 100rnvsignal to LINE II\'PUT.
Adjust the peaking coil for NoRMALto obtain the
maxirRm
output at the 10-ohn resistor of the R/P
neao. Peakjng Coil for NoRI4AL
--- Lch L105a
Rch L106b
(2) Set the Equalizer Swto the "CrO2" position and
apply 20kHz100rnv
signal to LINE INPUT. Adjr.rst
the peaking coil for CrOTto obtain the naxiflun
readins on the VTVNI,
Peaking Coil for CrO2 --- Lch Ll04a
Rch L104b
(5) Set the Equalizer Swto the "Etr' position and
apply 2tkHz 10OnV
signal to LINE INPUT, Adjust
the peakirg coil for EX to obtain the naxijntnn
readins on the \]T\4,1.
Peaklng Coil for EX --- Lch 1106a
Rch L106b
Eadr peaki-ngleve1 at the respective rcde, NOR{AL
CrO2and EX should be apprcxinately 20dBn
at
18kJ1z,20HIz, zlldlz, conpared with that of lkHz
(4) Donot forget to renrve a piece of paper put on
the leaf switdr.
Adjust peaking
for NoRI.1AL
node by use of
l8kHz signal
Adjust peaking
for CIOZ node
by use of
20kHzsignal
Adjust peaking
for EX node by
use of 211clz
signal
Output should
be measured
across the
10
-ohn
reS1stor.
.5. REC
Gain
Adjustnent
(NOR'IAL)
AC-22r NOFI''AL NOFMAL 400H2,100mVl
3dB(-i8dBn:icB)
Output 1eve1 at
LINE OUT,noni-
toring source,
should be 580rnv
Adjust the REC Gain trinner pot to obtain LINE oUT
output level of 580nv(-2.5dh) when the AC-ZZI tape
400H2
si$al is recorded and played-back.
NORiAI REC
Gain AdjLrstnent Lch \Rl10a
Rcn !R110b
-
2.s :0.5 dBn Input Level
at LINE IN
should.be
-18dB
: 3dB.

No. ITE}6 TAPE SEI-ECTOR
PGITION
EQ
SW IBIAS SW _lNpur srciAl AIINMENT pEnrFnrrDE
REQUI
RED LIMIIED SPEC REMRKS
16. REC
AdjustrEnt
t
croz) AC-
511 CrO2 cfz 400H2,100mVI
3dB
-(-18den1 jdB)
L\rtput level at
LINE oUT, moni
-
toring source.
shoul d hc qRnhl/
ffiifrlinfh"fr3^liff;#'to obtain
LINE
ouT
400irz
signar
i,^il;;;;' #;;r$:l_;l&1.-ttt .*"
CrO2
REC
Gainldj ustrnent Lci lRloga
Rdr !Rl09b
-
T15i..n.
sare
ali
grunent
pro."aur.Er.it.IT ,Gp
Ex
mc
Gain
AdjusrnentkS H++lf,
-2.s t
o.sdgt Input Level
at LINE IN
Shouldhc
-rsdB:aB
17. REC
Gain Adj
ust.
tEx) rnet
a1
particle
(AC
70r)
EX EX Sa.ne as aboye.
18. Bar cruph Dis-
play Oreck
at
"E)C'node
EX EX '':.&ii-;r,
iaiJdtiSt
i3"il:l'S
3h:f"*il
*"
*$.1*i
:?':,iT6"i"*:";iru
f #iil"f;:':il, -4dBindication
of t}le Bar
Graph at the
"EX'position
of EQ
sw 6 BIAS
5W.
Input Level
at LINEIN
19. REC
Frequency
Response
Adj
ust.
(NORtitAL)
AC-221 NOm4Al NORl,lAL 30-16kHz -20<lB
against stan-
dard i_nput
leve1 p$-#i
q*#ir'"Tix
:$ff
,,{r*rd$.i
.
-0 I 3dB at each
freqtrency Input Level
at LINE IN
-Sgann
l:.lB
z0 RECFrequency
Response
Adjust.
I
cro2
)
AC-511 CtOZ CtfZ 30-18kHz -ZodB
agarnst stan-
dard input
1eve1
".. _"",,. wuLpuL rs regarced as odB.
f,lr*#il
f;i*r-ti#
i$sit
-sr:i,0 I 3dB at eaci
frequency Input l€vel
at LINEIN:
-58dBn:3dB
2I REC
Frequency
Response
Adj ,
(Ex) metal
part tcle
(AC-
701)
EX EX 30-20lGlz -20clB
against stan-
dard ,
input
level :ff
:J":,:Tilj:fftllJ"i:if,$ff
'1;.,
ffi,
ji,) o I 3dsat each
frequenry Input Leyel
at LINEIN:
-
38dBm:3dB
I... I r('cL
rrequency
I I Response
Adj
nst.
| | rn specral
case ec-zzr
I ruonvru.
AC-
511 | CIOT
metal I FY-
particle I
rape I
(AC-
701)
I
NOFMAL
CrOz
EX
30 - l6ldtz
30 - 18kHz
30 - 20l4lz
-20d8 against
starq2rd input
IEVEl
ii,fi; g:.iiil::lfl ffiffr: does
not
neet
the
rzor,
iJ!-ir,"'
i"ii"llut'o
JB.ff
,B:'"** steps
(
re
)
-
,) Tgtl thu Freq. resposne shorvs
drop both at 4-81+tz
tnrdrange) and over lSkHz(treble). S"" iin. i'-''
----- Lower
the bras current. fTum the lR"cor.trl_
,." .
ter-cloc*wise direction. )
wnen
they are both increased, See fig. 2
U)
z
Iffi--'
r lq. 1
9l ri. a
91- ' ' -'<r\-r
9,1 . r l
-- rlLrcitse .ne Dr€ts
current. (Tum the VR
clockwise.
)
b) lrrhen
the frequency response drops only at treble
range (over l0lGtz). Sie fig. 3'
----- :nr,tl peakrngfroint downward
by tuming the
,_ peat(rng
coil clockwise.
il:rrli: response increases only in treble range.
z
I-T\=f
t0k
I0k
2k
FI
#;i;!'trilt.ffintrupward bvetumins
the )i- | I
I0t

N0. ITEMS TAPE REQUIRED SEI-ECTOT
EQ$'/ |POSITION BIAS SW INPUI SIG.IAI ALIG{\4ENT PROGnJRE LII'{ITEDSPEC REMARK
c) Never forget to check the output level of 400H2
standard recordi-ng/playback signal I,JtIenthe trir-
ner pot for BIAS adjustnent is tumed for aligDnent
of frequency response.
d) Extrene tum of these pealing coil and BI/'s adjust
\8.'s nay ca,rse deterioration of distortion dlarc-
teristic or d)'nanic range of record/playback
outputs. Therefore, whenthese positions are found
extrenE, electronic circuit nay be suspected.
(Check the operation of the circ1lit,)
23. Adjustmentof
LINE-OUr
Bias
Trap
EX
CroZ
Connect ml'M to LINE OJTand set the node to "mCoRD'
and check output of BIAS leakage.
T\jm the trap coil so that the output of BI.aSleakage
nay @me to the ninim.m.
Oreck the output of BIAS leakage j.s less than -40dBn
for all "CrO2", "EX' modes. In case it
is norc than -25d8, re-adjust it.
"EX' node ----- Lch L-101a
Rch L-101b
rrCrOZ'r
node --- Lch L-I07a
Rdr L-107b
Below
-
4odBrn
after znd lot rlRXCr node
Iblby off
Aligunent of
Dolby l4PXfilter
(rgkHz)
NORMAL NOFI''AL lgldlz standard
input level. Apply lgkHz signal to LINE IN. Comect VTt4vlto LINE oUTte]:llf.nal and adjust the coil for lgkHz filter to
obtain the nfnfur.un reading on the Wi{{. Thj.s align-
nent should be done in the "REC' mode.
The coil for Lgldlz filter: Lch L-102a REDCOm
Rch L-102b mD CoRE
19kHzoutput
at LINE oUT
should be the
ninimrn (no
nore than
-32.5d8n.
)
Input: Line
1n
Dolby MPX
Filter 0l'1.
25. Aligrunent of
Dolby MPX
filter
(approx. 105kHz)
croz 10Sktlz
standard input
level Comect VTVMto REC.oUI
telminal. Set the deck in the
"CrOr" Dosition ard "REC
PAIEE"node. Tum the coil
of Bias Tr4 to obtain the njnijl['m reading on the
VTVM.
BiasAdjustnentcoil-----
k$ i_133f,
Bstrsffi
This step No.25 nay be onitted since this alignnent is
done as low-pass filter at the coil slpplier. When
it
is qnj.tted, however, dreck that the bias leakage at
LINE OUI is less than -45dBn at each "NOR!,,iAL",
"CrOz"
or ',E)C'
node wilh tl)lbv CFI.
Bias Leakage
output at LINE
OUTshould be
rninirun.
(no nore than
-45dBm)
Input: Line
In
Dolby MPX
Filter 0l'l
26. Dolby Frequency
Response
Greck AC-22r NORMAL NOR''AL 30 -lsldlz
-20dB against
stsrdard input
1eve1
Apply 30-15ldlz signal to LINE IN and dreck the output
level at LINE 0JT.
Thg record/playback output of the signal should be
0 : 5dh, riren 400H2 standard input signal 1eve1 is
regarded as 0dB.
odB
1 sd3 Line In
Dorby chl

N0. ITEI'4S TAPE
REQUI
REDSELECIORPOSITION EQSW I BIAS SW INPTNSIG"IAI, AIIG'IMENT PROCETIJRL LI]itrTED SPEC REMRKS
27 Record/ Playback
output l€ve1
Greck at Drlby-
oN ard -oFF
AC-22r NOR]iTAL NORI"AL 400H2
standard
input signal
level (odB 1eve1
on tlte Bar
Graph)
Apply 400H2standard input signal to LINE IN and
record/p1ay-back lt. The^output 1evel at LINE oUT
terninal should be 580nV.l 1dBboth for Dolb/ 0N
and oFF
5Solv:1dB Dolby
Dolby ON
OFF
AligrurEnt of SA
at record/play-
back
AC-22r
AC-511
netal
par-tic1e
(AC-
7011
NORI{AL
CtOZ
EX
NOFMAL
cfl2
EX
no signal tlnload the LINE IN tendnals, and nake rccord/playback
of the tape. The noise 1eve1 at this the should be
less than -47dBn(RISI
.
Checkthe noise level at CIOZand EXposition in the
sane nalmer.
Both at the "Dolby 0N" and "Dolby MPX
Filte'I 0,1", the
noise level should be less than -49dBn.
Reco
rd,/P1ay-
back noise
1eve1 should
be less than
-47dBn'(RI'S).
Recordl P1ay
-
back noise
1eve1 should
be less thar
-49dBn(RI4S).
?t) Checkof Erasure AC-221
AC-511
netal
padicle
(AC-
701)
NORI,IAL
CtOZ
EX
NORI'{AL
CrOZ
EX
lkHz +10dB
against stan-
dard input leve1
Apply lkHz -SdBrn signal to LINE IN ternfnal, ald
record it. Next, rnakenote of the output level.
'Ihen, discorurect the input signal and erase the
recorded signal. Checkthe output 1eve1 at the erased
portion thrcugh lkHz band-pass filter, and rnakenote
of the di.fference cqpared with that before erasi-ng.
Output Level before erasing ----- al (den)
Output l€ve1 after erasirtg ----- a2 (den)
Erasing Capability -------------- A = al-az(dBrn)
Take the same
procedure iI the "Cro2" and "EX' nndes,
Erasing
Capability A
should be
better thar
70dBn
UselkHz
bard-pas
s
filter
30. 0rannel
Sparation Greck AC-227
AC-
511
metal
partide
tape
({c-701)
NORT'A.L
CrOZ
EX
NORX\'IALlkHz'standard
input 1eve1
(0dB 1evel at
the Bar Graph]
Record lkHz about -l8dBrnsignal thrcugh Lch LINE IN,
and play-back it, Thenneasure the rccod./playbac-k
output 1eve1 of Rchvia tkHz band-pass filter. At
the sane tifle neasure the record/playback output of
Lch.
Record/Playback Output Level (Lch) --- af (dBm)
Record/Playback Output Level (Rdr).--- az (den)
Crcsstalk frorn Lch io Rch: A = a1 - a2 ldB)
Likewi.se apply signal to Rch to neasurc the crosstalk
fron RclI to Lc.h.
Take the sane procedure at eadl ncde with Dolby 0,,I.
better than
3sdB Use lkllz
band-pass
filter.
Dolby OFF
Dolby ON
1t Crosstalk
0reck MTT-12I Play-back test tape MTI-121, and neasure the leakage
as per the following mode,
Ldr to Rdr (lst track to 2nd track)
Rc}l to Lch (2nd track to lst track)
better than
50dB UseIWlz
band-pass
filter.

-:ratrl!|lqtFr -r'- '
K-I2 IGOIANICALPAXT ALICNTO{TPFOCEIIJRE
I\lo. ITE!6 TAPE mqrrnEDSELECTORrcITICN EQsilr I BIASsrr{ INPUTSIG'IAL ALIGNIETI PROGTT'RE Ln'{I'lEDSPEC RF.{ARKS
I
2
3
4
Check of
Eject Sw.
Oteck of
Bias osc. Sw.
Oreck of
Tape Speed
Check of Wor
Mtr-11lD
Mm-11lD
r) Cmfirn tiat tlre &ck doesnot stop and that the
cassette lid <besnot openevenhfi€n the Eject
Buttcr is pr€ssed drring crperation.
Cmfinn that in the noabsof "FF' snd,FElf' with
a toudr to the Eject Button tlle deck stops
operation prior to openiag of the cassette lid.
2)
oonfim that the bias osc. switdr is turned on uiEn
the head drassis fincticns and tlat it is not tumed
off at tlF SIOPnode,
Cormect a digital cotmter to the LINE ol.rTPUT,and
with Mm-lllD tspe the digital cornter shows
2,985 - 3,0l5Hz.
The wc'{ tee IOT-lllD is loaded, and a wowneter is
comected to the IJNE Cf,rTtenninal. wot{ is nEasured
both at mG md l{tr0|S.
Tape speed:
2
,985-
3,015H2
Fl*6: belod
0.lt
WRlr6:below
0.04*

Kev Switch PCB
SYMBOL
NO. PART NI'}TBER DESCRIPTION NOTE QUANTITY
PER
UNIT
PCM-004
s-0018
A-0021
YM-0199
Key Switch PCB
Key Tact S\ritch
Lamp
Bush 3008
PCMo04
5V0.075A
I
1
3
3
tof
T
;0
t;
, 1.__j
+
YG
Y
REMPLACER DUT.g E TYPE.
ac ut6vrli mAT
PCta
-o20
' lrL-?t-g
our
' P/B
i,rnNc
a
7
Fuse PCB
REPLACEWITHSAIiEtYP€ FUSE
ONLY.
SYMBOLNO. PART NIJUBER DESCRIPTION NOTE QUANTITY
PER
UNIT
Q50r, 502
D501,r,
504
R503
R502
R501
T-0025
T-0010
R-0001
Fuse PCB
Transistor
Diode
Carbon Resistor
PCM-020
25C2320F
rs-247
3
1/4W
3.9KQ
" 10Kn
" 47KA
I
2
4
1
I
I

Sensor PCB
SYMBOL
NO. PART NWBER DESCRIPTION NOTE QUANTITY
PER
UNIT
Ql n,
c3
c1
Rl,
R8
Rl2
p5
Rl1
R3
R4
4
2
7, 9
10
r4-28334 Sensor, PCB
Transistor
Myler Capacitor
Electrolytic Capacitor
,, (NP)
Carbon Resistor
2SC828
(RS
)
0.027uFl50v
10uF/16v
10uF/16v
ERN25UJ22OQ
" 330Q
" 39oo
" 2.2KSt
" 3.3KQ
" 5.6K4
" 8. 2KA
" 10K0
I
4
I
1
1
2
1
I
3
1
2
I
I

lmp. PCB
DESCRIPTION
PCU-005
s-0011
s-0010
L-Q002
L-0001
rc-0006
T-0026
R-0009
R-0008
R-0010
Anp. PCB
Rotary Sllde Srt
Rotary Sllde Srt
Record/Playback
Mutlng Relay
Dolby IC
Translstor
PLC-2242
sRz-v063s
sRz-L083
FRL-414D
0L2/O4CT
8R22lD012
NE645B
2sc-l34s
(E)
2sA-798
(c)
2sc-l345
(E)
2sc-1815
(Y)
2sA-r015
(Y)
2SC-l77
5
(E)
2sc-94s
(P.Q)
2SA-872
(E)
2SD-592
(R)
2SK68A
Ll
2SK30A
sRL9R-1oKn
sRl9R-47K0
cRl9R-2200
sRl9R-10oKn
sR19R-47Kn
SR19R-1OKQ
42-L092-0L
L-9-3
47mE
BL-21HF
sl.{2svB-33
su25vB-100
cx5ovB-3R3BP
sM50vB-1
sMl6vB-10
(RECEQ)
(Dolby)
Relay
RY101a,b
RY002, 001
IC101a, b
Q10la, b
L02a, b
103a, b
Q106a, b
114a, b
121a, b
Ql07a, b
108a, b
l22a, b
a23a, b
Q109a, b
111a, b
Q110a, b
011
Q1l5a, b
117a, b
Q00l-
tu005,
007
'\,
010,
0L2
Q115a, b
Q005
Q104a, b
105a, b
112a, b
113a, b
119a, b
LZOa, b
Q118a, b
I24a, b
VR103a, b
107a, b
VR104a, b
VR106a, b
VR109a, b
110a, b
111a, b
VR108a, b
VRll2a, b
L101a, b
107a, b
L103a, b
104a, b
105a, b
Ll05a, b
L102a, b
C102a, b
C104a, b
C110a, b
Cllla, b
002
C112a, b
113a, b
10
Seni-flxed Reslator
Coil
Low Pass Filter
ElectrolytLc Capacltor
I
L2
z
6
2
4

SYMBOL
NO. PART NIJMBER
l17a, b
119a, b
c\22, r24a
124b, 003
Cl28a, b
cl54 , 155
c004, 006
C149a, b
C133a, b
c156, 157
c005
ClOla, b
I05a, b
C120a,b
ClZla, b
C123a, b
C103a, b
106a, b
rJl4, D
C107a, b
108a, b
130a, b
131a, b
138a, b
13
9a, b
C134a, b
cI29a, b
Cl09a, b
Cl32a, b
CI45a, b
C140a, b
C114a, b
ClI6a, b
Cll5a, b
C118a, b
Cl35a, b
Cl42a, b
144a, b
14
3a, b
Cl63a, b
C146a, b
147a, b
C158a, b
C164a, b
Cl52a, b
Cl25a, b
126a, b
127a, b
cr43
c00r, r53,
161
CI62a, b
Cl5la, b
c-0010
c-0009
c-0007
c-0
00l
c-0002
c-0012
c-0004
T-0010
C150a, b
Cl4la, b
D001'\,004
,
006'\, 013,
103a, b,
l04a, b
DESCRIPT
lON
SoIid Tantalun Capacitor
SM16VB_220
5OVB-1OOBP
sM25VB-470
sM25VB-4R7
sM35VB-2R2
CX5OVB-3R3BP
sM25VB-470
sM25VB-22
16V lu
16V 0.lU
16v0.33u
25V1u
Frr)5zc-220
ru052c-150K
FMIlZC-151K
r1.{132C-331K
412A1003-684K
412Ar003-684K
4l2Ar003-154
K
412A1003-105K
AMS50-562J
AMS5O-472J
AMS5O-27
3J
AMS50-473J
NP-500-562J
AMS5O-223K
AI1S50-273K
AMS5O-104K
AxS50-104K
AMS50-393
DD104B101K50V02
DDl06PH47
0J5
0V02
DDrl0D103M50V02
DD314-957BC-r04
DDL07PH680J50V02
Ft1052C220
100pF/50V
NR-500-851J
1S-2413
2
2
2
2
2
2
I
4
2
2
2
6
Fll Capac
i to r
Mecalized Polyester Filn Cap.
Polyester a ra"' udPdL r Lrr r
2
2
2
2
2
2
2
2
2
2
2
6
2
4
2
2
2
6
I
3
Ceranic
Polistyrene Filn Capacitor
Silicon Diode
Capacitor
2
2
2
2
T6

DESCRIPTION
2D001
D101a, b,
105a, b,
102a, b
R106a, b,
11Ia, b,
165a, b,
006
R108a, b
138a, b
Rll3a, b,
L92a, b,
116a, b,
133, 134,
146a, b,
001, 015
Rt05a, b,
115a, b,
019, 175a,
r7
5b
,r7 9a
179b
R110a, b,
I29a, b,
156a, b,
160a, b,
162a, b,
202a, b
R104a, b,
145a, b,
173a, b
R1l9a, b,
149,
176a, b
R102a, b
R103a, b,
137a, b,
193a, b
R107a, b,
191a, b,
151a, b,
L72a, b,
L74a, b
Rl12a, b,
168a, b
R126a, b,
183a, b
R127a, b
R125a, b
R122a, b,
18la, b
R120a, b,
R117a, b,
118a, b,
135a, b,
L77a, b,
178a, b
2OLa, b
R109a, b,
185a, b
T-0007
T-0025
R-0001
R0001
Zener Diode
Carbon Resistor
Carbon Resi-stor
wz-040
vD-L221
Rl/4-10lJ
" 82lJ
" 102J
RL
/ 4-552J
" 153J
" 333J
" 583J
" to4J
" 584J
" 680J
,' 22LJ
" L22J
" t52J
" 75u
" 472J
" 222J
" 332J t2
tl
tl
R-0001
10
2
2
4
z
12
" 183J

SYMBOLNO. PART NI]MBER DESCRIPTION NOTE QUANTITY
PERUNIT
Rl24a, b,
152a, b,
153a, b,
157a, b,
158a, b,
167a, b,
182a, b,
190a, b
R128a, b
R180a, b,
12la, b
R10la, b
R123a, b,
130a, b,
171a, b,
02l
R131a, b
R132a, b
R198a, b
R141a, b,
L42a, b,
150a, b,
l63a, b,
164a, b
R143a, b
Rl39a, b
R140a, b
R136a, b
R155a, b
Rl66a, b
R004, 005,
007, 008,
148a, b,
154a, b,
161a, b,
159a, b,
o22,
189a, b,
115a, b
R002, 003
009, 010,
016, 017,
o2o,
L4t,
013,
194a, b,
195a, b
R011
R018, 014
Rl86a, b,
187a, b
R012,
169a, b
R188a, b
Rl99, 200
R134a, b
R-000r
L23J lo
" 823J
" 27
3J
" 3 93J
" 473J
z
4
2
7
,, 204J
" 274J
" 181J
" rooJ
2
2
l0
Carbon Resistor
" 150J
" 330.r
" 4zzJ
,, Lz4J
" 391J
Rr/4-331J
" 223J
2
2
z
2
2
z
tt
103J -LJ
" 563J
" 392J
" 560J
I
2
4
682J
820J
220J
L22J
2
2
2

)tl
ti
.I lt
?rl
o450
o'2J6 F B4o
"-tvl' .l9; sFl F
---i-;
',1,o,Ju_____r
",eo, .."",, "']5 en*
o€b --;;6b Fr/sb R'3q -:E RrTed
Rr73b ^{ t\ Rr76b RtTao h{\. Rt76o
R,?,b s
/i r3b n'z'o . rroui.
crs|o \--l -
"
-ro6! r .ro5p ,!atq-'f +ra!o
r=r.flt
-_-]f_l
Fr"f_-lf-lT_l
lJlsl ll ll lllil li ll
I i cr..b .Jb ( lrD | _r43o c 4e
RreSb
R37b
,el"
,!t!!-L_
[---:t
LL-
ll"lol"lo
Idl;13lsl$
ttttl
'-i+!Pa"
l;
lB
-rg'l-" \
lI
I
3
'3-OtOSOilFls
^2\ o al I I
.# - @(+)3 I lo ls
vN | | |
l- - - lo i ^er/-\*
#;iigr*)i
".* " \--l" '
- --Sl:9!- m
cl25d P
o'Ph"H '"# ]
-c;-F pr3e. 9
.r l o,7"
-nfi- ^0F{- s
R1430 R1420 -
-sra@z--\F
r rso s "ro[ + ,l]E_
;;;- \--,i 3 h
""up
. E*-
ry"h_H "8"
'.Fd"p
"*"
. /-!. "\-,r€
RKSb
- __Et3?!_
,4 ? ----

Sr./irch PCB
SYMBOL
NO. PART NUMBER DESCRIPTION
swirch PcB
Rotary Switch
Push Swi
t ch
Volume
oSC Coil
Transistor
LTELLLUTJ L1! udydL l LU L
Polistyrene Film Capacitor
Polypropylene Capacitor
Seni-fixed Resistor
Carbon Resistor
QUANT
ITY
PER UNIT
TIMER
BIAS
iil
PCM_OO5
s-0017
sRU2043S
s-0001
s-0004
v-0006
L-0008
c-0003
c-0004
R-0009
R-000r
PLC-2242
SRU1023N
SRU2043S
SUF12
SUF22
PEAKHOLD
RESET
MEMORY
OUTPUTVR
L201
Q20L, 202
c20l
R208
R206, 203
R204, 205,
20L
t
1
I
1
1
1
I
2
1
IJ
c
210
c202,2rr,
21,2
C205a,b
c213
C204a,
b
c208
c201
C203a, b
VR2Ola, b
lR202a, b
\IR203a,
b
R2
07
R202
c206, 209
GMSO_A-IOKA
25-2L26
2SC-1384
(R)
sM25VB-33
5OVB-
2R2BP
NP-500-391J
NP-500-471J
NP-500-101J
NP-500-151J
NP-500-222J
NP-500-,1035
NP-500-331J
2200PF
500V
SR19R_1OOK
Rr/4-331J
" 100J
" l01J
" 223J
vRzoib vRzozb vR2O3b .
-fl-\:\ ?-l a)
-r-e-]3.
JJ.-F.
i /'l /1\ 941
''r\/ \./r
I
Eg_eei
(r]
G,
tu9mflffi
' R20t t, . -
176-
c2o2 I t, \
\r- /
lTl c2o3b I --rF | \--l
ii -. -- r' r c2o3b
I-=Fl q)
LUX iinrhnlil E f X
swPcB
iihisf
-u"ffi ffi::n(9
il c21t C2o5br------l
I R1/3-roor
oQ)
',106l
8
7
to
Ii I t"v'\J' ----czoa | -._r-=4r-41
L:::1. r--::----l R2o6 ! zqU O L)l
coUxrER \i\-liF I f--::--1 | , --------:r
\-.\*"--l
r* |
-lF l' .610
OOEJ
p.ok hold
tl
tl
0
+O
.)
U
.)
o
O
o
.l
r\
o
i=i fr*i'\;?T"e----l rzetoolso
ou,purv, | | | | il I lrl t
im-il-
I ll | 'l l'x""'-Fll-_l

Power Supply PCB
SYMBOLNO. PARTNIIMBER DESCRIPTIO}I NOTE QUANTITY
PERUNIT
D401,
4O2x2
,
4O3x2
Q403, 411,
4L4, 416,
4r9
Q405
Q408,409
Q4O2, 4L3,
418
Q40s
Q4
01
Q404, 407 ,
4r0, 415
Q4r2, 4r7
Q40s, 404
D407
2D408
2D404, 406
2D403
zD40r,402
2D405
c4t0
c4L5, 42O
c4r7
, 4r4 ,
4L6, 4L9,
422
c42r
c406, 408,
4r2, 4r3
c404, 405
c402, 403
c40)-
C4LL
c407
, 409
R4L7
, 426
R404,406,
4r5. 42L
R418
R423
R401,402
R408
R425
R403,405,
419
R407
, 421
R4I6
R411
R412
r" 414
,
409
R4l0
R422
PCM-007
T-0005
T-0025
T-0027
r-0028
r-0018
T-0020
T-0010
r-0007
T-0007
c-0003
c-0002
R-0007
R-0008
\1{-0r55
R-0001
Power Supply
Fuse
Diode
Transistor
Silicon Diode
Zener Diode
Electrolytic Capacitor
Polyester Filn Capacitor
Metal Oxide Film Resisto!
Fuse Holder
Heat Sink 3002
Pan Head Scre!,
Hexagon Nut
Carbon Resistor
PLC-2242
250V 1AT
R3-l5 2
2SD592A(R)
2SB621A(R)
2sc945
(P.
Q)
2SC1815
(BL)
2SC1015
(Y)
2sB628
(Q)
2sD6
08
(Q)
2sB6r8 (Q)
rs-247
3
BZ-100
wz-06I
wz-I25
\tz-135
wz-r57
l/Jz-LIO
sMl6VB47
sMl6vB100
sMl6vB470
sM16VB1000
sM25VB470
sM25VB1000
sM35VB1000
sM50vB100
sM50v81000
AMS50-224K
RSlBFSR22J
RSIBFSlROJ
RSIBFS-102J
RS2BFS-181J
RS2BFS-620J
+M3 x 8
M3
Rl/ 4-100J
,, 18lJ
" 561J
" l02J
" 272J
" 56Zt
" 103J
" 333J
" 182J
1
I
5
1
2
3
1
1
4
2
2
1
I
2
I
2
I
I
I
5
1
4
2
2
1
I
2
2
4
I
I
2
2
I
9
9
1
1
3
2
I
I
4
1
I

Power Supply PCB
@.}
____ 40 lS 3A 37 36
iJ=i*- o Act'r3
^'":-ole--------fif1'
it=
s.bsc+s1r14,11#uU;
il F r6$oslrl
"
iip,.ta.:Q,fillll';
;
iii;
rQxtisg)ui=ii-l:
li[,%,
p*ieyi,.ifl
ll
arir:
;x- , ,"#- lu.
ifl
l:
i,fit-"5upl*,f*l*l'li
Qsl:l
li
infi
fl, ',Il*,^Al''l;l I'
i',ff';o,11|q;,1t1'
iil*+"
$f?[]ip'*
ii ;,.* f+\/1\n-{l:
ift""Q$"_.4
$/!|ffi{
l'
ii' F"tQ
--u,,,-"f
!2,f-Jll:
Ii -1403- LUx " vl i l:l l-
I: R4OI POWER SUPPLY
PCB I I I "I I-
| | ---- R4o"- PcM-oo7 Tw-35 94v- | \-----J -
ii-l ooo, T.-9-9----r aq6 o Acr6
RBr5
| |
r -_1
tl
345
CAUTION jREpLrcE
wnHsAMErypEFUSEoNLy
ATTENTION:ag,rp-AcsR
paR
uNFUSTaLEoultiuErvpt.
acrn ll I t-r-] I llrcour
u-------J-r----l---I-iJ A-
1 tal
-@
it €)

Digital PCB
SYMBOL
NO. PART NIJUBER DESCRIPTION NOTE QUANTITY
PERUNIT
rc303,309
rc307,310,
3I7 'v 32O
rc305, 308,
321
rc316
rc306,
rc322
rc3
02
rc
315
rc3l1
^"
314
rc304
rc301
Q301
'\,
304
Q305,
306
c318
c316
c311
, 312
3L4
c310
c302
c305
c304
c330, 317,
313
c306,308,
309, 315,
319, 320
c301
c32r ""324
,
326, 328,
329
c303
, 307
D301
'\,
305
RA303
RA3O4
RA30l
RA302
RA305
R339,
311
R302
R318,344
R303
R362,363,
347
, 348,
223, 322,
301, 316,
353, 331,
332, 3r2
R307
R306,308,
341, 335,
355, 3r2,
313
R310,315,
319,32O,
328
. 329.
PCM-002
rc-0001
rc-0002
rc-0003
rc-0004
r
c-0010
rc-0010
rc-0005
rc-0009
rc-0007
rc-00l- 2
T-0028
T-0021
c-0004
c-0003
c-0012
c-0
015
T-0010
R-0006
R-0005
R-0002
Digital PCB
IC
Transistor
Polistyrene Filn Capacitor
ri.l 6-rr^1 r,ii ^ C.n,.i r^r
Ceramic
Silicon Diode
Resistance Networks
Carbon Resis to r
T4LSOON
HD74LSO3P
74LSO4N
74LS08N
74LS09N
DM74LS47N
DM74LS74N
74LS175N
DM74LS192N
MM74C04N
NJM29OlN
2sAl015
(Y)
2sc94s
(P.
Q)
l{R-50-562J
sM6.3VB2
20
sMl6VB10
SM5OVBl
16VB-4.7BP
SM25VB4R7
SM5OVB2R2
DD6008C104212V19
DD350.9508C1032
50v2
0
DD107B332K50V02
DDlO4BIOlK
DD1048102K50V02
ts-247 3
RMA3-15IJ
RMA4-151J
RMA4-392J
PJ14-222J
R4-223J
R25-100J
" 820J
" 390J
,, 22IJ
" 102J
822J
r03J
223J
L
2
6
3
I
I
1
I
I
4
I
1
4
2
I
I
3
I
I
1
I
3
6
1
7
2
5
I
1
1
I
1
2
1
2
1
l2
I
1
15