nual Sefvice FM Ouartz Locked S T E R E OR E C E IVER six-gaoo ii,,ii,i,,..,s r - ft3rc:rl ttr:;!'"; L *,.ir"*.t'' s(/ -i'- pSc2.ies- -borf o^ Sl"a&t'-1r,{:.-'i, (DrrroN€ER.
I M O D E LS X . 3 8 OC OO M E SI N F O U RV E R S I O N D S I S T I N G U I S H EADS F O L L O W S : Type Volt4e ; Remarks KU 120V only U . S . A .m o d e l s/G 11 0 V , 1 2 0 V , 2 2 Q V , a n d 2 4 0 V ( S w i t c h a b l e ) U.S. Militarv model s 1 1 0 V , 1 2 O V , 2 2 O Y, a n d 2 4 O V ( S w i t c h a b t e ) G e n e r a le x D o r t m o d e l KC l20V only C a n a d am o d e l t H H H r This servicemanualis applicableto the KU type.
I I t r t t t t I t t T t t t t I t I 1. SPECTFTCATIONS PowerAmpl if ier Section s *e rc h a n C o n t i n uPoouw s e0 ru t p uotf 6 0 w a t t p 2 0 H e r t o z 20,000 nelm , i n .a, t S o h m fsr o m t o t ahl a r m o ' Hertw z i t hn 0m 0 r et h a n0 . 0 0 5 % n i cd i s t o r t i o n , T o t a lH a r m o n i cD i s t o r t i o n( 2 0 H e r t zt o 2 0 , 0 0 0H e r t z , I ohms) continuousratedpoweroutput . . No morethan 0.005% 3 0 w a t t sp e rc h a n n epl o w e ro u t p u t No morethan 0.
Eix-3El00 AM Tuner Section S e n s i t i v i t(yl H F , F e r r i t ea n t e n n a ) . 3 0 0 p V / m { l H F , E x t . a n t e n n a.} . . 1 5 p V Selectivity .....30d8 Signal-to-NoiseBatio .... 50dB lmageResponseRatio ... 40dB lFResponseRatio.. .... 40dB Antenna .... Ferritelooostickantenna Audio Section l pedance) O u t p u t( L e v e l /m FM(100%Mod.). ..... ..... A M ( 3 O % M o d.. ) 6 5 0 m V l k1i l o h m s 200mV/1kilohms Semiconductors f C s . . . F E T s . Transistors Diodes . . . . . . . 1 7 .
t T 2 . T R O N T P A N E LF A C I L I T I E S t t r I t t r t I T r T t S WT T C H c PO W ER Set this switch to ON to supplypower to the receiver. Therewill be a shortdelaywhen it is setto ON, because the muting circuit has been actuatedto suppressthe unpleasantnoisethat is sometimes generated when the poweris switchedon and off . swtrcHEs O spERrER Depressthe switch corresponding to the speakers conn e c t e dt o t h e S P E A K E R S t e r m i n a l (sA o r B ) o n t h e r e a r panel.
r-- signallevel on the air next to a stationwhoseprogram you want to receive.you may not be able to tune in satisfactorilvbecausethe sound will be drowned out b y t h e s t r o n g e rs i g n a l sl.n c a s e sl i k e t h i s , s e t t h e F M M U T I N G O F F s w i t c ht o O F F { d e p r e s s epdo s i t i o n )a n d tune in. The mutingcircuitdoes not work whenthe tuner is receiving A M b r o a d c a s t sl f.
I t t t I t I II six-3aoo 3. BLOCK DIAGRAM R F Block rc { PA3007-A ) r c ( P A 4 O 0 6 - Al r C{ H A 1 2 0)r OU'TPUT L 7 5 n O .t R :cono o 5r€ffEO !NOlCnI0R 6 !5 eS i'"l i,-qilgl 16l -l)l * I I l [ rvo- lhTjl r'-; 'r t laraMe llFv/tp'tq l-, r d v e c f r f c . , a | I l l - ovaRTz locKf,o ril9rcaToR t-POrtT StcxaL llO'a.AtOA 0AtvE j ' -rr- | l-68{"-l;;l I;;;;l-, ':re I lf [Jl I *F;'* 1 l,rEr, I PFrscalla l_ FM..id 1 _T-I 1 I I \1,F 0FFSET . JA O J , l 46.
T 4 . C I R C U I TD E S C R I P T I O N S tor, there is no deterioration in separationat the low frequency end. Besides the decoder and muting circuits, the PA4006-A also incorporatesthe pilot signalcanceller, stereo auto selector, VCO killer circuit, ivluT amplifier, and MUT control circuit. 4.1 FM TUNER Front End The FM front end of SX-3800 includes a 3 ganged tuning capacitor, a dual-gate MOS FETequipped L-stage RF amplifier, and a modified Clapp circuit local oscillator.
T t r t I t I r t I t t rl l t sx-gaoo stage (C) is reduced, and the reactanceof the inductance stage (L) increased, resulting in AM detection by D2 which leavesthe positive portion of tlie IF signal.If the input frequencydecreases, L stage reactance is decreasedand C stagereactance increased,resulting in AiVl detection by D1 which leavesthe negativeportion of the IF signal.
SEGM€NT DRIVER OIGIT ORIVER MU !TI PLE XER I I I PRESETAEL€ 5-DIGIT OECIMAL COUNTER 22-8lI r 16 ROM I I I I GND F i g . 4 - 5 B l o c kd i a g r a mo f P D 5 0 0 9 val. Pin no.? of PD5009 is the brightnessselector terminal. The time division pulse width is set to 8009s for H level input signals, and to 200ps for L level signals, thereby varying the degree of FL tube brightness (by varying the segment lighting period). Note that since the pov.
r r sx-g€too S I G N A L l n d i c a t o rC i r c u i t t T l| t t ll t t f f I I t t t t I F i g .4 - 7 S I G N A Li n d i c a t odr r i v ec i r c u i t The SX-3800 SIGNAL indicator consistsof an FL tube 5-point indicator display.The signalmeter drive signal obtained from the FM IF system IC (PA300?-A) and AIVI tuner IC (HA119?) is first amplified and then applied to the indicator drive IC (HA12010).
on the other hand, the broadcasting frequency is approachedfrom the iow frequency side (or when tuning away to a lower frequency) the pin no.4 voltage will be lower, resulting in Q22 being tumed on to light up the lower frequency(left hand side) detuning direction indicator.
r I I r r r T r T T I f, F t I tF F F sx-3aclo excellent high frequency characteristicscomparable lo those of a small-signaltransistor. Furthermore, becanselhere is no time clonstantin the NFB circuit ir-rthe lorv-frecluencyregion, amplification is possibiedorvn to DC (DC inputs will be cut off, hor,vever, by the input coupling capacitor). 'I'he circuit featuresdescribedabove provide an extremely wide polver frequency range (60W + 60W, 101-lzto ZOkHz,THD 0.005Va,Bdl).
t t t 4 . 7 P O W E R] N D I C A T O RC I R C U I T ic ('tA73t8P) t/? H O L O& s 1 6 N A Lr No * - l O CA M P L€VEL S H I FI OFFSET COM. PENSAIOR H r| I t F/LAMENT F i g . 4 - 1 2 P o w e r i n d i c a t o rc i r c u i t The SX-3800 output power indicators feature fluorescentindicator tube (FL tube). In this tube, thermionic emissions from the cathode are accelerated into the fluorescent substance of the segmentalanodes,resulting in the emissionof light.
J r F T r r T T T six-gaoo OverloadDetector The overload detector circuit incorporates the load (RL) in one side of a Wheatstonebridge.The base and emitter of a sensingtransistor (e1) are connected to the opposite corners of the bridge, so if RL decreases, Q1 will becomeforward biased. If RL falls below a prescribed value, e1 will turn on, thereby C1 will rapidly discharge.As consequence, Q4 will turr on and the relay will become deenergized, thus causing the output circuit to open.
5. DISASSEMBLY BonnetCase Remove the two screws O ot each side of the bonnet case. Bottom Plate Remove the fifteen screws O bottom plate. i I to detach the Front Panel Remove the all control knobs except push knobs. Remove the two screws @ and two nuts Q from the front Panel. t l| Bonnetcase I t t $\ f\,.
! I I I sx-gEloo : 6. PARTS LOCATTON Front Panel The fi marh found on sotne camponent parts indicates the importance of the sofety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. Push knob B AAD-227 F r o n t p a n e la s s e m b l y AN 8.851 AAA.O66 AAD,226 Knob AAB.24O L e v e rk n o b AAB-239 Front View with PanelRemoved F l u o r e s c e n ti n d i c a t o r t u b e AAV-OO7 F l u o r e s c € nitn d i c a t o rt u b e AAV.
sx-3Etoo P.C.BOARDCONNECTION DIAGRAM U I i r TUNERAss'y GWE-133 E + .ttf rl==I "',s|il,f ffii III +",:r'*i''l:t'; I nl ,o,@ ' ' I 7** *l; ,11",i l.i *i"a r*'i; $' .{i,, r-'o iJnnij:j:',Slt, ffi uJ,,tl | s,rrprro&ffi | E?E-il-.---'ffi:tlJr, i "i;;:ii I liut '1 ii-ll-.1 ffii,i{ li *B#"ij"ffiii;fi!f*l:lH:ft iiii'{t5h =lrsHr:tj-l:f +t l ' l r ts--lrg< ;;f"t | l l o ( ilc I lil't r lrl l ' ;r.{iT ;:Ji,-: " ;. i* l*" ,,,i .fnf"lll*l jt'i {*r,.
EOUALIZE AWM- 22' SWITCHAss'y GWS-146 I hnl I ll l:1,1{ i ltfil i lill l l i l D ! * l l + h SWITCHAss'y GWS-226 Olt! rst t5 5 a? lS2a7J PLIO (STEFEOI 8V 5OmA *i*.+,*, 1'*l l* I ls 6 Itr { T r.rr: I rz |t'hrribE I lll|Lus l l r I i.ls, tn o 7 h o 9 8 i I I I I ? / *r l lt* + +v ll/ 'd16l ",, 'rr I I 1 u.1 mf \ | 'li? a[{,rr le's i'!; l-ilL t ' *i' *I iit, l f* r4 W*l'' l l t t rI llilli r n l n l r. t iT'it t l' *.- re.
h I I I I I I I I six-3E|c'c' E0UALIZERAss'y AWM-227 crI .119 t @ @ l.i;' ''BgOUI a . =.d r I { f'., I I FM seramic f ilter {F1-F3} Red .Blue Orange PL4 ( PHONO} V-4*7 PL7 (FM) T 8V 5OmA Ass'y INDICATOR AWV-OO9 'tiii i?#ffi 't'l g',:: r =S t t ?sc.6l p.
@ 5009) in the indicator assembly designed to match FM IF offset combination of input signals (H ilied to pin nos.3 & 4. Note that ng pin nos. 3 & 4 of PD5009) assembly (AWM-227) may thus e circuit diagram, depending upon ceramic filters Fl - F3 (diuided to IF offset ualue). rsisfors in the equalizer assembly the program circuits employed to (PD5O09 located in the indicator V IF offset ualue.
POTVERAfvlP AsCY IGwH-r3e ffi tB'*I* **I'9,,** @6lct+g@,/1, x I t t I i rdh'l I d'2"'t' tf'tlA. %jFk:il i e#fr :ffil5'U lt'in ;-.I i..idil; tli';,}:*." ,ffiffi,:t p tl ;11' 1Fllil il tp.$ I l*E iittli6Y tttt,,.',i"%hi*i*UI r .r.,.y' lS|+lS '*ir itFlrY*#e,'n']" ;ll;' l.rf I Ilii'F-il#il-#rT I pl Tffl-rr ff -Hisrtuilri,ff#f d*t 2y,esz{ Q1,2 zSVSre' o3,4 2SA1O75 (D#xr,o O+Vr.,Z Rr, U O
sx-3E|oo 6 ilfi-aff E P AI I h"-l \trf4 4 | | # p,t'"i tt {El l i i I l r ' ru 2Sl9O5 I I Fqee .i 1ln"-'1* ACr20v I I ,'t""fI f" I I P,,,' I 6Ol-lz SWIICHED 'OOW MAX Dd'|r't \ $rS*, ?:^tso 'o" t I I I I t r.7 I I I I I I I ?,iinoo 2 t a l l i'# *:n r0r?I r ! t UNSWITCHED I 8lr" ' l1/?W', 06 SrvtN c,r.-J M a zf n , E X P Q t I_s_!13 N E/e\_3!J ao\rr r\il ' : :"rl*4$fi,ffi+s* i#''+:*" _6.,", .,,.*,_fm,h!t:113" j -S,,,.,. II 4 cl r *o o / 5 5 II 6.
10.1 SCHEMATIC DIAGRAM _ - l @!@A Lrm.nn s o'l!:6 -- 6cq - j,r-l*-,,-s-l iEc 2 .L L ECr I 4aY' | L FEc2 ' . = - # . -x=! t -s r-trs -. a r I aan a r a€5rsTo6: rddd d a, t*, .tt r*tq -E,lxr 'rr.lcl * cn.lft tddd rddd $ *{Y rrbr unbolha .Ertu {'r!/wh4lv} { ry dr+ *rr A &6q th lf, {s 160r ol eFd ol .b -h! ME. b !E b u- Dnrot &kr d..@b. rq sNrT@ t flNrrG 2 E *Uft r-&d6) 9. rruEs sa: $.r ' s6"?r s&3i g-4: 57: sa: 59' $o sl 51?: 5i!1 5r5-? I o.hd|rilfltutdp tar erdr..
1 ,6 art6 OaJh2l,i-il 8CaE @.?t,&s 8ar@ (r.D F- -:l I iL - J ---.
Fmraroe l.ey awv-oog l + i :j-*_-1 FFI*cr r^tsltP-A ? I "{ As't I ToilE CC1i{TROL I cwc-rl ,e,-,' I Nffi"' SVITBH A-'t Gffi-Za4 l-;;*-l | I : :::: -,,.
sx-3E|oo 12 NOTE: The indicated semicondu ctors are representative ones only. Other alternatiue semiconductors moy be used and are listed in the parts list. SFf'IGR TEilIiIAI Gars-422 9AiES F A @'4q R s5fls L --l ffTJ-ir-- fffiotr l l l ! . . # e . t r l }€TDP'OCS JACX A.dt GTI(. K6 Gtx-t39 7>ca
F---_ II I il I T Top View Speakerterminal assembly GWS-222 t IFuse 64 E q u a l i z e ra s s e m b l y AWM-227 AEK.109 I t ,,\Power transformer *ATT-677 Power supply assemblY GWR.122 Tuner assembly GWE.133 (4.7/10W) $ Resistor ACN-1 5 ; ; ; FL indicator assembly AWV-OO9 PoweramPlifierassemblY GWH.139 BottomView I P o w e ra m p l i fi e r a s s e m b l y GWH.139 , l * Tuner assembly GWE.133 r*l t t I I| i!.r Power supply assembly GWR.
I I I l I I I I I I I SX-3EIOO 7. DIAL CORDSTRINGING 1. Remove the bonnet case and front panel as described in the'oDisassembly,'section on page 16. 2. Remove the tuning drum from the shaft of the tuning capacitor. 3. Tie one end of the cord to the stud$located insidethe tuning drum. 4. Rotate the tuning capacitor right around until the rotor bladesare fully intermeshed. 5. Secure the tuning drum back onto the tuning capacitor shaft, making sure that the securing screw@facesdirectly upward. 6.
I 8. ADJUSTMENTS 8 . 1 F MT U N E R FM Tracking r Connectthe SIGNAL meter or DC voltmeter betweenR100 (no.? pin of Q8) on the tuner assemblyand ground. r The tuning coil in the RF amplifier circuit does not have an adjusting core. Consequently, tracking adjustment at 90MHz are performed by regulating the gap between rotor and stator of the tuning capacitor (VC3).
I t T t I I sx-3aoo Crystal Detector 1. Set the FIvl SG output frequency to 98MHz output level to 60dB (unmodulated),and tune the SX-3800 to this frequency. 2. Adjust the B core of T201 so that the voltage between no.10 terminal of the tuner assembly and groundis reducedto DC 0V (t300mV). 3. Set the FM SG output level to 60dB, modulation frequency 400H2, frequency deviation 7 SkHz (100V.m odulation). 4. Adjust the A core of T201 to obtain maximum AC voltage reading between no.
I 8.2 AM TUNER 1. Set up the test equipment as Fig. 8-3. 2. Set the FUNCTION switch to AM. 3. Tune the SX-3800's dial pointer to 600kHz, and the AM SG (AM signal generator) output frequency to 600kHz, modulation frequency of 400H2, 30% modulated and output level of 30dB- 100d8. 4. Adjust the core of T3 to obtain maximum output level (REC terminal). 5. Then tune to 1400kHz and alsoset the AM SG output frequency to 1400kH2. 6. This time adjust TC5 to obtain maximum output level (REC terminal). ?.
H sx-3Cloo H H 8 , 3 P O W E RA M P L I F I E R 'I'urn VR3, VRb (L) and VR4, VR6 (R) fulty around in the counter-clockwise direction,but set VR1(L) and VR2 (R) to the centerpositions.Without any load or input signal, turn the POWER switchON. T DC Balance 1. Adjust VR1(L) for 0V (to within t30mV) between terminal no.23 and ground. 2. Adjust VR2 (R) for 0V (to within t30mV) between terminal no.22 and ground. H T T T T ^ \' ,fJaJtuL6 t| h.,r,z--"{*( (_nry'l) aFosc,lt ,- d ldle Current 1.
8 . 4 F L I N D I C A T O RC I R C U I T FrequencyDisplayCircuit o The counter IC (PD5009) has been designedto match FM ceramic filter IF offset (caused by displacementof the central frequency) by combination of the inputs (of H or L level) applied to pin nos.3 & 4. The matching IF offset in the SX-3800 is determined according to the combinations of connections and disconnections between the R 28 and R 28 resistors in the equalizer assembly (AWM-22?).
Eix-3Elclcl I t 9. EXPLODEDVIEW ExteriorComponents t I I I I I I I I I I I t (' I .."i, 11 Key No. t - 2. 3. 4. 7. I I I I I 6q Part No. DCK4OPl50FZK Eonnet case AMM.086 VBZ3OPOSOFMC Front panel assembly ANB.851 Lever knob AAD.139 AAB.24O AAB-239 NKgOUC wA92F 140U100 lo. 1't. 't2. 13. 14. Knob Knob Hood AAA-066 AAD.227 AAD.226 Knob Push knob B Push knob A Bottom plate VBZ3OPOSOFMC 16. 17.
BOO Interior Components NOfES: I r Ports witltout part number cannot be supplied. t The A marh found on some component parts indicatee the importance of the safetl factor of the part. I'herefore, when replacing, be sure to use parts of identical designation. Key No. Part No. 1. 2. 3. 4. 5. VBZ30P060FMC 6. 7. 8. 9. PMZ30P060FMC li n 16, 17. 't8. '19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 3 1. 32. 33. 34. 35. Dial panel assembly e6 51. 52. 53. ,.|\ 54. 55. A 56. 57. 58. 59. 60.
'{qr & 29 ae*-\ {{ r,utb "p 37 228
SX.
I l Heat Sink Block I 1 I \ -hr-. )Jl I *|.-Y t l ' 12 I , . ' I I I I t-------4 l I ) Part No. Description 1. 2. 3. 4. VBZ30P060FMC GWR-I22 V M H 3 O P 12 O F M C Power supply assembly 5. 2SC2525-G ( 2 S C 2 5 2 5 - B) 6. 2SA1075-G ( 2 5 A 1 0 7 s - B) Key No. Socket stopper Power transistor Power transistor h f e o f 2 S C 2 5 2 5a n d 2 S A 10 7 5 s h o u l d h a v eo f s a m er a n x 7. 8. 9. 10.
1 O .S C H E M A T I CD I A G R A M S ,P . C . B O A R D C O N N E C T I O N DIAGRAM AND PARTS LIST 2SC461 2SC535 External Appearanceof Transistorsand lcs HA12010 HA1197 <>-_ TyeeNo t-- "tt([nnnnt' -) Lot No l " ' ? 2SA979 lvoc Lot @ n,.'->ft*/ illl\ gl ] \ c u No\ Typc No Nol zSC1906 HA1201 NJtt44558DV Typ. No \ 5 A .nn'l\ ru# Lot No - 2SA750 2SC1400 2SC945A Type No 2SD313 TA7318P.A 9 l li l , r n n , l llllll/,/,IllllJ, ."t*;;i]!.
ts I I t I T T I f tI I I t 1 0 , 3 P A R T SL I S T .vo?'fs: c ll'hen ordering resisiot's,first conuert resistanceualuesinto code lbrnt as slrorun irr tht, fo Llou irtg e.tantples. L'r 1 llhen there are 2 effectiue digits (any digit aparl from 0), suchas 560 ctltnr a n d ' ! 7 h o h m l t o l e r a n c ei s s h o r a nb y J = 5 % a n d K = 1 0 9 t ) . 5(i x I0' ,i6I 560s| RDt/tPS Hs]mJ - 1 7x l U t 47h\I 4 7 : J. . RDYEPS EilIZEJ ()R.5 r/5!) B.\'2H ElEm /( | ( l oI0 /rs/P @[]Q 1'' E x .
t Part No. Symbol & Description C K D Y F1 0 3 25 0 C Q M A1 5 3 K5 0 coMA 473J50 c o s H 3 3 1 J5 0 cosH 152J50 C E A N LR 2 2 M5 0 C E A N LO l O M5 0 C E A N L2 R 2 M5 0 coMA 153K 50 C E AO l O Ms O L C E A3 R 3 M5 0 L C E A4 R 7 M5 0 L C E A l O O Ms O L Part No, uco ?141 ATF-106r ATF,OB9 ATF.1O5 ATF.O38 c53 c55, C57 nlna SEMICONDUCTORS c 6 5 ,C 6 6 C , 7 0C , 71 c63,C64 Part No.
six-gaoo Detector Assembly{GWX-463} OTHERS CAPACITORS Part No, Part No Symbol & Description c c D s l 1 0 1 J5 0 ccDWK150K50 c201 C202 CKDYB 471K 50 CKDYF 103250 C204 C206 Symbol & Descriprion S1 ASG-231 AKB.063 P u s hs w i t c ht F U N C T I O N I T e r m i n a(ll N P U T l ToneControlAssemblytGW G- 1 41) CAPACITORS RESISTORS llhen ordering resrsfors,conuert the resistanceualue into code form, and then rewrite the part no, as before. Part No.
(GWH-139) PowerAmplifierAssembly CAPACITORS Part No. Symbol & Delcription c o M A 1 0 3 K5 0 c o M A 8 2 3 K5 0 c o M A 3 3 2 K2 5 0 c c D s L 1 0 1 K5 0 0 c c D s L 3 9 0 K5 0 Cl17-C120 C l 3 1 ,C l 3 2 C 11 3 ,C t 1 4 C121-C124 c 1 11 . C l , l2 c c D s L 4 7 0 K5 0 c c D s l 2 2 1K 5 0 C E A N L4 R 7 M5 0 L C E A N PR 2 2 Ms 0 c E A 4 7 1 M6 L C 1 0 5 - C l1 0 C 1 0 3 ,C l 0 4 C l 0 1 ,C 1 0 2 C 1 2 5 ,C 1 2 6 Cl33 c E A 1 0 1 M2 5 L ACG{09 C't34 Note: RESfSTORS Part No.
I I I sx-3€lCIcl FL IndicatorAssembly(AWV-009) RESISTORS When ordering resisfors, conuert the resistanceualue into code form, and then rewrite the part no. as before. CAPACITORS Part,No. Symbol& Description Part No. Note Symbol & Descriplion t ;i; RD%PMF llCil J R D % P Si r n l ] J R S I P f l u i _ .
T t t 1 1 .P A C K I N G T t \:./ t T t ; t T T t Key No. 1. 2. 3. 4. Part No. D*cription ADH.
I $)rrroN€Err' t t I t t t t t t t t I t t FM Ouartz Locked S T E R E OR E C E I V E R siFSgoos,c,s r The basicperformance of the S/G and S typesarethe sameas the KU type. This additional servicemanualis applicable to the S/G andS types.Please referto the KU type servicemanual with exceptionof this supplements. 1. SPEC|FICATIONS The specifications for S/C and S types are the same as the KU type except for following sections. Power Requirements KU type . . . .AC 120V, 60Hz S/G and S type.s . . . . .
2, CONTRASTOF MISCELLANEOUSPARTS NO?ES; t Parts witltoul part number cannot be supplied. t The $ marh found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use partsof idenlical designation. ASSEMBLy Symbol Part No. Description KU typa Switch assembly S/G, S typss AWS-146 AWS-148 Remarks DE.
3 3. SCHEMATIC DIAGRAM, P.C. BOARD PATTERNSAND 1 3.1 SCHEMATIC DIAGRAM Gro rEc2 r I LCN iEc' I I b. 60rn.i*&&rd vrrdr MtlAcf 6 $v n na Og .!<.o! s!".r ::t ',:-j "d!,q 60 !' w . 6c) sI al: .0!rr -6)l rirrrl m'Brt nq,r! {v,,' i (OC loitrf{?rtd! oc,or!a Vri!.!nI rh, d! m4.tror hyr ild !b. si.ty oi t - ' t l !@. l-lo, A.r'y AwM-2?7 omFan ol th.nr.! th th.'.io,. *n.n,al-il{- qr.? HArzqTF s! s2r sJ. L s5: 5e r s6-? s6-l: s6-.1 sti 50r 59 510 s'! s'?: 5r3i 5rl-? 5$, s6.
D PARTS LIST -J I il,*3-' - ---t I € ut?d q5 23(rS OrJF2l,2atd ?9CAE oa,23.2F! 2StX@ .rOr ,6l t @l J ir" : L- t r " l'' swrTcH b.
I I POWERAnP A$'r G#-t39 lr-l--.q.iliffi . PW€f, SSfLy o?o!&.2ro zsu. A..'L GWR-IZ2 _ _ 93Sr&9^!.sl_s _ _ I i ' aror.ro2 6cr775A l I I I I I I I j I I f*---< I @srrq q6,6 qo7!l6 @,iro Qilrril2 ?$9t9 ?SC2?91 zs^@ ?*D6 ?$EO 's"''3il3:i!11 oil1.
sX-3EtC'O/si/GirS NOTE: The indicated semiconductors are representative ones only. Other alternatiue semiconductors may be used,and arc listed in the parts list. $EAX€R TEnr'IilAL adt Ga/s- 222 rtm'_l ;11ffifl | It-tt*,"d*, i UJl--":':J H€A8F}Si€S JACK Ardy ffi-16 .-._l-_i_--_.
r n €tX-ggtOO/gi/Glrs 3.2 SWTTCH ASSEMBLY(AWS-148) t ; t t ; t t t ; ; ; t ; ; ; I Part No. Symbol& Description coMA 152J50 coMA 332J50 cl, c2 c3,c4 ASH{,I 7 s1 Slideswitch (DE.
