BK Technologies GPH21 Portable Radio User Manual Part 5

Download:
Mirror Download [FCC.gov]
Document ID	20621
Application ID	ugTU04o1SB7jtM9Hl0t9/g==
Document Description	Users Manual Part 5
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	165.21kB (2065170 bits)
Date Submitted	1999-01-22 00:00:00
Date Available	1999-01-27 00:00:00
Creation Date	2001-07-09 08:49:12
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2001-07-09 08:49:14
Document Title	Users Manual Part 5

EPH SERIES VHF “IMO MAINTENANCE
5.51 RECEIVER
A. FRMT END TUNING
1.
NOTE:
Tn; main mm D! mammaa win us and 174 MHL saw 174 MHz.“ Open m
mm. mm (M voumo control lo mid tango.
51! mo RF m1 goo-mono 174 MHz, Adjust Minion tor a 1000 H: non: with 3000
H: Wu
Comm mo RF gun-mm in an RF inn. Com-a l distortion may“: ta m. sputter
w mat.
Imnun em RF hm! will 6 no 12 as SINAD ls chum an 1m (amnion mlyzlr.
Ad us! 1.2. L3‘ LC, and L5 damn-I lu obtain tho ban SINAD rudIng whlc reducing the
H Input “I to 1!!!"th In 12 SINAD.
Adlusl m- hvnt 0nd slop. variabh uslrv I commit". EPH HXITX Tunlm ”Ma. and a
programmlm cam.
Became of RF manna mm mo mt. tn. radio may not mm 1h. “mummy
mama: umi! Ghent-15cm! and nmovod 1mm the mndlm vidniay of m-
acumen
Adm! T1 and T2 bf 1h. W Mb dlspflbn with an HF' Iwol of 1 mVRMS.
Nut."m?!mlhauling“Mannheim-1;| T1 andeemi Mopedvsulheeore
ls mad imo the mll. Pram mo can: in. bp of tn. coil below making (ha
mmm. When gamma luv mm dmflhn, m- lnp a! me mm M as H m.
upperhnldlmmll.flitwil mmmmmmmmnmlsnmmw
m new“ man Inadlnq ul L0 may uncur Mich can aflecl cumin powar or
unmask-r locking a m Immundn‘
B4 SOUELCH ADJUSTMENT
1 A
2.
3.
N???
IMO
5“ in. radio no I channel pmgrammsd win no guard nnablod.
Opon me swam. Must volum comm In a main position
com-ct m0 RF genomic! lo the RF Input. Cornea a woman lmlyzflr In the wkar
Nah mil.
Imm Iho RF level until 8 dB SINAD I: mum on lho Mnbfl lmryztl.
Slim. m walehkmhmm- WWW (unmouncm),
Turn H2! on Ill EXIT)! baud dwuvlu unfl! the India lums all.
Tum R28 slow coumrdulmiu umi the nude arms on.
EPH SEHIEG VHF RADIO
MAINTENANCE
FIGURE 5-3 REOEIVER TEST SETUP
no. 5-10
EPH SERIES VHF RADIO
5] TROUBLESHOOTING
am mu not mmit
(and LED dun um um)
I Radio wIlI rm mm on
Radln Wfl Ml Um
Transmit pow balm: ”talisman
Cad: Guard signal an blhg transmit-d
Poor balmy m
wm not my layman! programming
mod-
Radio unmum with n; cantor puum
when In 9mm common
Radio docs not unmm mn mar
Coc- Guard slgnd is unseat
Sansmvlty does not meet lpacificafion
Receiver Hanson out o! smelluuon
IWKNG
MAINTENWE
Invllld TX Inquo mama
Wit Inn-ry ncy
vco 7x mun drum "line
Opan P1'r In micrupmcossof
3mm mu
EMILE!“ “filly I
won fuss
m vo mar
lrmropnr Idonr‘rglon In EEPHOM
Invalid RX "fluency fingrammod
Imam-I mulch winner adlusted impropew
CARRIER PRESENT NW! to munpnovmv
mom or open
Made in Iall'ng
DISC AU IO path (man or shorted
HX AUDIO min anon or shoflod
Semi“ r 3mm mm
HIILO manna
HF w- conncclor lack mm
Harmonic finr failing
Power uanIIar In
Pam com! eimun fling
Nun": when Inllhg
vco bun-1 mung
NoCcmGuam mlp amndomramtrfl
chm-ml F‘fl M
C000 Guild Mir (ll< I1 4. RN‘I) mung
Trimmer power m be high
Bunny am not mmad
Audo Imp!!!" no! munching on
Wtakhlthfy
mm“ mrd be omaud
mm or imu -PROG AM liwul
Gym / Displl urn!
am In the EPHOM
Irwin hnmm
Squaw! trimmer and Imp"?-
Qun or mum 575mm FR 5&7 figml
Ten! mar on qpm' ns mam IaIIi
Cod- Gum! cuppa: wing "i
saw: v m no nu fiffifimv eny
m ru e 5
RF mun-r Ming 9 roe
IF III!" or umme-r fling
vco um mung
"Lamina”! «I "23,
mo 3 o
Audlo mum-Hailing ,
Rectum audio flat on nylons new fainq
From in! "R!!! "Bali
Fag. 5-1 I
EFH SERKES VHF RADIO
MAINTENANCE
TX audio m numb-m
whom». l-ilrnq
TX min amllflortmr chain on options bum
may
vco Mlmn circuit rum
TX audio Mm mid-med
Damion cum-nape» nmork «142 mm R45 on
rm balm full
V o mommiun chafing railing
Sula-h am" on FIX/TX board adlusud
Mr arm!!!" tiling
m M on m board falling
FM demodulanl IC filing
DOG no! prowammtd or not at 101 propor polarity
Rllmm "Malian mmmer adiusud inprufsny
Emmi mlifion clmfll (CH1 and 05.2) ailing
Fallflg or Mod 02 vol! reguhmr
5 Low or no mammr audio moduh'nn
1x mum I: m high
Minn-aw urdolsmtmset
‘mnm
Transmitted alglal Coda Gum! vri mu
unswelch (mm radloc
VCOM'I v0 0 T1 mm m
stoma 5mm éArlD shoal-llJ to symmslzer lung
umlifitr
XTAL mm nudism _
Film |mrmru comm-nun MM on
3 album
F hoXTAL
Mn nu! ramimd for AM! or D'I’MF
Tone puma rmrn am an symrns board shame
or upon
Fanny comp-mama mfmrk (me through FMS
on 1mm balm
Manna with fair-no
Monitor sum bulbr (I5 on mm build) Filing
lmprow amount for VHF tum-nails
0pm manna new
Filing mam. much then“!
MID WI rm union property ll band
mu
Transmitortmwoncy ml of 5 porn
saniticn’nn
ANI or DTMF wan M m ltlnlmlm
Tramnsr modulation varying across
immem nnsmn ung-
Pno 542
SECTION VI
ILLUSTRATED PARTS LIST
6.1 INTRODUCTION
This sectionho you imam und h BaIDlXIKlNG EPH San-o VHF ratios. Ir
includas Blllsor‘ Mamrial (50m (oral r assonbliu anamod horn Inol Asst down in
W pan IoveL Each BOM is follow-o tho oorrespondiq Assantly Drawing and male
7am.
Pam Imod In the BOMB moat BENDDVKING asbn spooifioalions and are me rectum-ended
uplacomom pans.
6,2 BILLS OF MATERIAL
Ems bf Mllllill contain 1 no intonation pf! non In lb. commending Ancmw mm W
Sehomallc Diagram ausmbiss an: [mod by numbor. htIp'nq you no rho oorroot sub-
asumbly pm for cam melt]: radio modal.
BOM NUMBER
‘l'heallorMa-nalNumr Mionlulso mo 12 Fan Nunwmmtmomglz‘mpom
lthtopdlhoBOM "mus-nth isovallbhnavanotyomuvors' thoB bar
loraachnavora manholopofrheBOM Pansoomrmntomonmanonaflavorars
onenlistedina rnmon BOM. crunqwllh-ooss. Thohstlourdlgls attach BOM Number
appear abovo a flavor colamn at tho righr u‘do or the BOM
SYMBOL COLUMN
Thla oomn comm Iho Flamenco Desiomnors of pan: a ballad in ma Astrrhly
brawl and Schematic Dharam Tho Rnlmnco Manor conslfis or an muon- lor
“pee component and a number as her! no that our HTML. R31. on). Common
trounc- Designalor Malian; m bolovu
ASY Assenmiy MK Mioroohona
B Mom or Synchro P
c Can-zoo: o Tranoimr
cu cram durum R Rumor
on Don REF Hemloc-
as Lamp RN Humor Network
F Fun RT Therrn'slor
H. Flor S Swish
I lrleorared Clroull T Transformer
ITM hem TP Tm Point
.| Jack U humor/Canoe Itor Nflwork
L 1mm V meedWaurum Two
Ls war we w
M Ila Y Crysm
PART NUMBER COLUMN
This ooumn comlno the mama Pan Numbors usod mm mooring room-mm no, n
mo n ls limo as an ass-rm ASY]. the Bow and drawings format assontly to after
th- gu‘rront BUM and omirugy (
amour/mo Fig. 8-1
ILLUSTRATED PARTS LIST EPH SERIES VHF RAM
DESCRIPTION COtUMN
This column cuma'ns tho «swoon 0! each nan in tho manly. Common 1&7mean
whim may appur In ml: column on um um.
AL Ammm MY MyIir
ASS“! mommy PC Pow-mom
GIFLH Bills FF Prussian Fin
GUM BI 01 Mull! PP P u
cc carbon Carmen: PS Po m
CF Cam" Flm QW Quinn Wm
CH Chub RES Humor
CAP Gaucho: 8 Silicon
CR Commie SCH saw
DC Disc Ceramic SM silver Mica
Dlo Dlooo STDF sumo"
EL Emu SW Mch
E51 $05.6" WI“ WM $00“!
a: Common mm
FERR Finite 131“ ”Too! Poinl
FLTR Flu! TW Tomi! Wan
FT Focahm VA Vanni!
HV ”an Vollloo w w. Wound
Hw H Wan XHAH Tnnslnrmsr
1c Imam Clvwi XSTR Trimmer
MC Manon-i: Ceramic x‘I’AL Crystal
ASSfiMBLY COLUMN
An “A" in this now Indiana an- IM pan Is an meaty I ma PIN and ooscripfion roads
"zoooxxxxooss COMMON BOM“ m pan: for that assorm are Includod "n ma comm
BOM. “I'V- pans mm" Ior in “next-“h w ulhor IN wil be Iound In m. BOM
with {In samo numbor. Thos- Isoembies BUM: and onwlngs includofl in this manual
In flawed by ‘ASV' In In: Symbol cwmnA
UNIT OF MEASURE (UM) COLUMN
Thu cohmn imlcmes Ins Uni a! Maw: 101 Each pun, Common lbbraviniom flouno In ms
column an mud mm.
EA Each HF For Fulcrum Only
FI' Font IN men
AR As Rewind
QUANTITY COLUMNS
Thou comm; Iridium m pm unifies few non flavor oi lhe assambly. The Iourdigit
mmummwuwwmfiwmmflwdmafla BOM Numbaranmm of
313834“ Parasugmmn In «rare mun on. M m onen listed in Common sous. ending
at - ,
Pm 0-2 mm
EPM SERIES VHF RADDO ILLUSTRATED PARTS LIST
FINALASSEMBLY
mam-m “a“
MN“! will“
“MUN PululA
NOW“ WWIA
unmann- 914,“
Kalil“ an“
MIST“ gnu.
WSTW . MAIA
mum»- Fill!“
WIT” 915143!
man. PM?!“ mm A “I mm
an “1 m m m Ms W W m m
“M310 MW A EA IN In
“MiG" mm A EA v in
“My“ “mm“ A IA IN m In In 10) m m
luv amt A EA m m we «on 110 m m)
m 1 M11“ Fran-om A GA m
57 2 “77m mm A SA m IN
A57 2 M71“ “mm“ A EA . ID ID)
ASV 1 “774“ immmwu A u |W
P57 1 WM Emmuvmnn A a m
A” 1 mm “mm A w)
A37 3 m m“ A El LN
A57 3 m “ME“ A EA um mm
W I W MA” A EA IN
A51 ! m mum A EA m
ASV 1 mm ”NAM A EA XW
ma l W mm A EA In In
NH 2 WM“! ”WHEN.“ A EA IN IN IN 1M ID
If; 3 m ”mt-ml EA in IE 10 m In X”
ml 0 m HATE A u m In |w ‘W 10 I” ID
("A ll unman- ammo A GA in no LIB MD IN ID ID
nu II IIIMIOIM "CNN“!!! AH l” mu
MA 'I MIMI“ taxman-um ll 7” 7“
m 17 man-mm wnusmouwn EA . A” 10
"II II 1.1083“ flffllmfi EA Im ma
m n mamrm A a I“
5?" SERIES VHF RAM
FNN. ASSEMBLY
LLUSTHATED PARTS LIST
m m m mmmmm m mm
m m m m m m
m m m m m m m m m mmmm
m m
m m m m m m m m m mmmm
m m m m m m m m m
m m m m m m m m m
w m m m. m m m m m m mmmm
m u “a uauuunnaanaua nunuuuuauuuuuuuanau
. . .. ..A;AAA...... .A, . A .....
Mm -, mm a
“mum”; mm “mmmmmwmfim “Emma”, mmmmmm mm“
mammmmmm m a um mmmmmmmmm Wmm mmwmmmmugm u.mmmm “mm“
m m mm mmmmmm , m 0 mm-“ -mmmmmmmm
mwmmwmmm m m mm mmwwmw m mmm mm mmmmwm
wmwmmmmm m mmmmmmmmmmmm mmmmmmmmmmmmmmmm
Pq. M
fig‘Lgb-flul‘ufi: as
3 iii-5.1
ailznflilli.5.fi .
._l...lu:a£.|aiii. ._
/ la
4 Gal.- lizi .
ill. 5!- E.-
ofl! v
ll 1’! girl-g
// iii-1.52532 -
58's.
Il>lllflnlltll3=os!_
Ila-15 SOS-52241551!!- <
giP-Si-iiie-l‘ilfi!
g|§g§§.lafli -
as m ,.
mmwm
recum-
mu
EPH SERIES VHF EADIO LLUSTFIATED PAR'I'S LIST
SYSTEMS FHAMEASSEABLY
manual: art-mu
macaw! emu-u mu
maul-um yum-A mu
man man;
m emu-u sum. um
was mum
M 91mm
in” Efllufl
mm FINN"
M was, nun
m MW mnm A w 01mm
mumwmmmmmmum
m“ 00mm A 3 I0 m IN In IN I“ IN IN um '
A57! mam QHSVSIAC‘Q A IN ID "D IN IQ
A“ I mm EIIMAICAI A EA In
A” I mm gnsvsamen A 9 In In In
AEV I W“ "Mll- A EA IN
AW 2 ml CTRiDMGHVM A EA (W m In IO In
EV 1 mm CTHJDECMM A EA In
Al'! 2 m CTFIJDEI A EA In 1d
“V l m “51.0me A EA In:
A81 2 M manna A EA 'm
A“ 3 mm “MEAN A 2 Im In In In IN m In
A57 3 W “Imam A IQ In) m
rm I: oar-Wm mnmw EA In mm In In In m ID la 1m
(TH II Willi!” 9mm EA ID lfl IN am In IN MI) 3” in IN
rru I5 mum MIMI-XII” EA m lW AG IN an I“ m I” In 3!
IN I. Mun“ GUIDING EA In) In In In: In IN In) In
I‘I'll I7 mum-m ”III-AV EA In
7” I7 mass-mu mum EA 1D "D
IN 17 elm-mom mum a 1m ID Im In In
rm 17 fllflfilmll ”WV A an
m. |7 C7WIQII ”MAY A EA IN
ml fl clue-an “7“:an A EA IN IN 10 up IE I” IN I“
fill a with“ wumnmn A EA I“
ml 21 mm Hume-71m A EA 2” m m m m m) m an
rm 21 Mm WSW!“ EA m m In In IN IQ up: In IN
nu fl man-am A EA IG IN I” In m . In In IN ID
rm 5! Mia!“ "(m-sum EA m In IN m In IN In In ID ID
N“ 12 ”Elm nan-mm EA m m I“ lfl In I.” I“ m In I“
rm 5 mm mm? 0 In I& IN [E III!
NH I MNW| mam EA IN IN I”
IT“ 5 m mum EA ID
rm I ma”? ”film EA Y“
rm [1 IIYMQIM WUSEN’UNEG EA 1m I” [U
ml 6 MIMI?!“ UmTA’E N A” I” m
rm IA I lEmTl’EYM IN 5” llfl 057
rm 51 mwmwm "BMW“ All ‘N ID IN
ml d ("mm l EA IN
RE I moo-o mmmxm IF 1 X l
ILLUSYRATED flfis usr EPH sen-E: VHF sumo
SVSTEMSFRAMEASSBABLY
mam mammal!
was! mama
nun. mum-E asst-Hm A my cum
MD a!
W canon-m A EA m
Asv -. moo-awn masts! A EA m
Asv 1 m swam A EA m
m A mum rum-um A EA m
: v mwmm wean-um u an
S 1 mum-um wit-17951”! EA 1m
, . cum-tn wsnmzwu EA 1:
7-4 mm Anna-Am A EA tau
m x mama» Mum-um EA Ac:
rm 3 muss-mm wwEwnfm EA 1
2 2 gab um wining? Ag {3
A '.
w mm“; fists-"ram u, ‘g
' |
m: A cumin-am “flaws EA ma
m l m wnsmwcm A n on
m -c warn-cm mmE A EA vac
W“ u wanna»: alarm! A a m
,, Wu'wé m w
in - smmmfiu g m
°~: Mam-muse EA w
731" A 5A lea
«mm-wan :A in
mm; a z a m u:
4 Wml EHE'JIB: V
m 5? mm Bums-mu A EA w
‘v u mum nmwmn EA m
5: zi Wm! mmsmm A EA m
m a mum wEahEn n m
w a wan-m minimum A EA m
“u a wunm wwmv A a m
‘m 51 “um mmomu A m
m xx mmww mamww. EA m
(m a moment mum EA m
w n All-mum ”at“: A EA m
m 3 mama-m cam A EA n:
x: “mm “mm“. -. m m
A . - =
m: n mum-m mums N m
nu a Amoun- newsman: n on
ma 3 nus-3mm Anemia A AA In:
m4 a mum smvnm A EA m
m n mum msusuv A EA 1a:
m A: «autumn mmua‘m EA m
% 3 When“ 2§m°'r‘.$‘="r‘m A: 3?
m u UIWIOIW “cumin“ AA m
4 w momma AwrslAuTEmA EA m
L | alumna: ecu-r A u m
A a «sum communal A EA m
‘ an man must A EA m
REM manta-u moms-Anus! A w 1
Put I-Io mm
twat
.. hm“ Maw flaw.
.§=!E§5E s!
agaébEgiI-czia d
il-lgag
aglguigbg
Eagfiag‘flnflg Egg-
g—dfignI-I'Edti glu-
gg‘E‘EB—flzhhg .-
E,
Egg-“E
“mu ® Sign: .
; ®
.¢.Eh§!!fi3§gg “Engages ..gE
SE inhlglvgaie Edaaggus—Q i53—
ESI—IF Egg-BEE Esigggagb
gsgagbsai—Elbg 1 E'EHsHHGH—EEE A
5.3. 6.02 549515551:- 95-33-53!
n n“ 53:13
. « . ---<<
"flu
i l"
lean fi-
sm s “in mu
.Lsmfi in
m" n m
”m"; n a mm. . manna“
‘- I .. u- l. ‘i'. _l
l is, l! .-u
I I ill! '!
llllllll
i i is!
. m mam
ml?
. l‘. I I‘l mm mm
—§fi-8u SEX!
Eagle-El:- edits-ESE
nun-rm um- Ll?
Blflflflflnlflllflfl
fllflflflflflflflfllflfl
Bflflflflflflflfllflflfl
HIIHIIIEIIHII '
HIIlIIIlIIIII§§
IEUEEEEUEEEEE ’
M luau!
mun-t. Al
poem m‘
ummrsn "mum
in unann- m

---

Source Exif Data:

File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.2
Linearized                      : Yes
Create Date                     : 2001:07:09 08:49:12
Producer                        : Acrobat Distiller 4.0 for Windows
Modify Date                     : 2001:07:09 08:49:14+01:00
Page Count                      : 17

EXIF Metadata provided by EXIF.tools