Sharp MZ-1F16 Service Manual
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- MZ-IF16 SHARP SERVICE MANUAL CODE:OOZMZIF16//-E MINI FLOPPY DISK DRIVE UNIT MODEL INDEX MZ-1F16 THIS SERVICE MANUAL MUST BE USE WITH FD55( L) SE R- VICE MANUAL 1. SPECIFICATION _ ................................. _ ............ 2 2. SYSTEM BLOCK DIAGRAM .................................... 3 3. POWER SUPPLY BLOCK DIAGRAM .........
Sharp MZ-1F16, 1. Specification Outline The MZ-1 F16 is an external expansion mini-floppy disk unit designed for use with the MZ-5600 Series Business Computer_ It consists of a pair of thin type mini-floppy disk drives. The unit should be used for the third and fourth drive units of the MZ-5600 Series Business Computer. Specification ________ ~M=odrun~~e ____ ----~~~1U6L.--~------ __ ---- ______ ------------------------------- Recording capacity 640KB x 2 Tracks 80 tracks Sectors 16 sectors x 2 Recording medium 5-1/4" disk Power supply Local Voltage 50/60Hz Power consumption 50W Operating temperature 10°C to 35°C Operating humidity
Sharp MZ-1F16, ~ I '" I / HEAD LOAD )' r-r---------------------------------, 2 SELJ n DRIVE ICI ; INDEX ~ SHORT PIN lOSOI 5 SELO 4 Z 7 SELl r- 34 3 m 9 SEl2 ~ WITHOUT TERMINATOR 11 MOTOR ON 0 13 DIRECTION ::t:J 15 STEP L- 17 WROATA r- '9~~ ~ ~ L 23 NR PRO 25 RD DATA 26 SIDE ONE DUST-1357ACZZ 24 READY r .... ;--- - - -1 14Pin I : le SOCKET : 9?9995'9 : l ~ TERMINATOR 330n x 7 r DRIVE lOJ OAr~P-s~..... 8 SHQRTPINlOS11 ~ Y : ~ 2 B\;;-" I
Sharp MZ-1F16, 3. Power supply Block DIAGRAM 3-1. Block diagram 1 : sw T1 , , i~ ;: 1---1~------<:J +12V supply .~ o >-+-+-----1 ,z f---i-t--:----'O 'i-5V supply T2 (Fig. 1) 3-2. Shown in Fig. 1 is the block diagram of the power supply circuit. Souce power is first eliminated of noise through the noise filter, rectified, and it then charges the capacitor of the filter. When this DC voltage is impressed to the power switching circuit, it starts to oscillate so as' to convert the DC voltage into a high freq
Sharp MZ-1F16, 4. Trouble shooting procedure of POWER SUPPLY 4-1. Tools required The following tools are required for servicing. 4. 5V 11.3A and 12V 11.3A loads 1. Oscilloscope 5. AC ammeter and voltmeter 2. Voltage regulator (Slidac) 3. Voltmeter (digital voltmeter) 4-2. When R 1 is open Since this failure may possibly be due to short circuit of ac line capacitor, RC1, C4, or Q1, the cause has to be checked in accordance with the flowchart below. - Flowchart Phenomenon and others Replacing component Gl Set the oscilloscope to the follow· ( Start ing range. Voltage range: 50V
4-3. When R 1 is not open ._ J Find the cause according to the procedure shown in below. Flowchart. (~ __ S,ta_rt __ ) ~ G) : 1'-,,' Wavetorm_does __ Wav.eform : nbtappear.. i.]; '-' 1-:' appear,s.:-: ", " ·.l,i~',_n ;@J: _ .. ~-< :'j ;:-,J "WaJef~~rnLcippears at , " , .. , .tHe
Sharp MZ-1F16, 5. Power supply circuit DIAGRAM 5-1. Power supply circuit for 100V series &. 'w, "" 'w &. filGBS24 AS ,; -7- .n ~ -"- .. ". '" 'l0J0f ~f "" "" AI3S,""B0875@A - MZ-1Fl6 ~, " eo, ,~" m .. ." .I2Y ,~" c,~w ." ~" ~ .n .a '" .,Do ." ,~" , "" .," 'a" a.sw 2 DND '"
Sharp MZ-1F16, MZ-[F[6 6. Signal Position of Connector No 1 3 5 7 9 11 13 15 17 19 21 23 25 34 [I ========:::::J 2 33 ITo FD-55FILII 25 (From CPU) 25 Connector Signal Position ( From CPU ) To IF16 AND Signal Name No Signal Name No Signal Name SEL 3 2 HEAD LOAD 1 INDEX 4 3 SELO 6 5 SEL 1 8 7 SEL 2 10 9 MOTOR ON 12 G 11 N DIRECTION 14 0 13 STEP 16 15 WR DATA 18 17 G N WR GATE 20 19 D TRACK 0 22 21 WR PRO 24 REDY 23 RD DATA 26 SIDE 25 27 29 31 33 J330n J rn IDipSWI ITolF161 MFD ITo
Sharp MZ-1F16, 7. Strap ... - .- 'lis DSO U:;I :HM BSg DS3 MX HS DSO pI HM ", DS2 DS.3 MX i i , "0 0 .::.l 0 0 0 0 0 0 - D nO~ 0 0 0 0 0 0 IF. 0 0 0 0 0 0 0 0 -8. Parts position . J ;?:, Drive C SIDE ',,' . i • i VR " " -»1 0 0 ML NO TERMINAT()1> 0 0 IU RES ISTbR I 111--1 ' HL' , • , SM /' M '_I .. PM 0 0 VD i"i " ",J' 0 0 VI 0 0 RE Drive 0 SIDE VR ML NO TERMINATOR IU . -, ,-, i RE
Sharp MZ-1F16, [I] Exterio rs NO. PARTS CODE PRICE NEW RANK MARK 1 DUNTK 13 B 2ACZZ B F 2 DUNTK 13 66ACZZ AZ - 3 GFTAR1014ACZZ AC 4 LANGK1012ACZZ AK 5 LHLDW200BSCZZ AB 6 PSPAX1005ACZZ A F QACCV6620QCZZ AV 7 QACCV7521QCZZ AS QACCL7620QCZZ AW B DUNT 1357ACZZ •• 9 GCABC10l0ACZA AP 10 CCAB 1009ACZA BD 11 LCHSM1005ACZZ AV 12 HBDGB3 0 02GES/ AE 13 GLEGPQO 1 ouezz AB 14 GFTAS1013ACZZ AF 15 XBPSD30P08KSO AA 16 XBPSD30P18KSO AA 17 XBPSD40P06KOO AA 19 XBBSC30P0600Q AA 20 XB
Sharp MZ-1F16, , ~b'lZ1P16. [2J Electoronic Parts NO. PARTS CODE .' 1 QCNCMI015ACZZ 2 QCNCM1254CCOB 3 QCNW 1024ACZZ 4 Q S ,,-C Z 6 4 1 4 A C Z Z 5 QSW Z1018ACZZ 6 VRD ST2EY121J 7 VHPGL9PG2// 1 8 QCNW 1025ACZZ rn Packing & Others NO. PARTS CODE 1 RMEMRI017AC74 2 TCAUS1150CCZZ 3 TLABZI035ACZA 4 TLABZI051ACZA 5 TLABZI087ACZZ 6 TiNSEl157ACZZ 7 SPAKAII14ACZZ 8 SPAKC1471ACZZ 9 SPAKAI009ACZZ 10 S S A K H 4 0 0 1 K C Z Z 11 SSAKA5003CCZZ 12 S S A K A 5 0 0 4 CC Z Z 13 SSAKA0006UCZZ PRICE NEW, PART RANK MARK RANK AC B AC B BC C AD C AM B AA C AC B, AD B " PRICE NEW PART RANK MAR
MZIF16 @] Electronic parts for 200V senes power supp y NO PARTS CODE 44 VRD-S EY 7 45 VRD-S EY 7 46 'R I~P A 2 PRICE NEW RANK MARK AA AA A~ PART DES CRI P T ION ~iK~:~~; ~ ~;W=l==========================--··~~ 47 'R cS E - 10 - RS-P 15 J )-5 )- 2 I-I 1- I- V 1- Y V)- Y 10,E3 58 3/ , E 6, , 62 A E. 5: 8 3. 8, 6
Sharp MZ-1F16, [QJ Electronic parts for lOOV series fJo:-",~suppJy,- ' NO, PARTS CODE ". I ~ I :~~:~ :~~ ~~' :al resi ~elal resis (esisto" lK (esistor: (es to" to" to" esi tor' tor I R, istor S( Vl ;V) ,F. )", lVl (22: W)" 12; Kn 2WJ' 51'0 W) 5W W) W) I Resistor )OJ "SW) ReS! '" {lJ ',2SW) :R arial : res tor ~40 B ,63-00) I i '3_-0 i " 'Ooarts dia " LZJ Exteriors for
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