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Alto MOD-800H, Service Manual

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MODEL: MOD-800R/800H/800P

Summary of Contents for MOD-800H

Page 1: ...MODEL MOD 800R 800H 800P...

Page 2: ...CONTENT 1 INTRODUCTION 1 2 TECHNICAL SPECIFICATION 2 3 BLOCK DIAGRAM 4 4 SCHEMATIC DIAGRAM 7 5 WIRING DIAGRAM 15 6 PCB LAYOUT 7 TEST PROCEDURE 26 8 EXPLODED VIEW MECHANICAL PARTS LIST 9 BOM 37 18 31...

Page 3: ...er i zed pai nt i ng t o avoi d handl i ng noi se z Rechar geabl e bat t er y desi gn z Sel ect orf ort hr ee di f f er entout putl evel s dependi ng ofki nd ofr ecei verused z LCD di spl ay z Bat t e...

Page 4: ...ns M O D 800R M ul t i channel s upt o144f r equencypr eset s f or eachf r equency bands UHF 470 900 M Hz Dependenton appl i cabl e count r yr egul at i ons PLLU H F SYNTHESI ZED 50 Hz 15KHz 3 dB 0 00...

Page 5: ...50 C T H D 1KHz 0 8 Modulation mode FM F3E RF output power 5 50mW adjustable 3 bands Dynamic 100dB Tone frequency 30 33KHz Current drain 100mA Max Deviation 35KHz Battery AA type 2 Optional Nickel hyd...

Page 6: ...Hz FILTER TONE CONTROL MUTE FM DETECTOR 2 ND MIXER IF AMP and FILTER Q14 1 ST MIXER MOD 800R ANTENNA Select RF AMP and B P F AUDIO L P F and AMP MUTE CONTROL VR2 30K 34KHZ VR1 VR1 MODELLER 16TYPE 1 BY...

Page 7: ...Q7 VCO IC3 AMP IC55 2 1 AF FLITER IC59 3 3V REGULATOR IC2 3V REGULATOR 3 PIC16F74 Micro controler U132 LCD U130 DETE103067BEP Q2 Q15 CHARGE PUMP PLL BLOCK MT GT Mic IN RF B P F IC58 5V REGULATOR 3 3V...

Page 8: ...5 AF AMP I C552 1 AF FLI TER I C59 3 3V REGULATOR I C2 3V REGULATOR 3 PI C16F74 M i cr ocont r ol er U132 LCD U130 DETE103067BEP Q2Q15 CHARGE PUMP PLLBLOCK MT GT M i cI N RF B P F I C58 5V REGULATOR 3...

Page 9: ...P C 195 102P GND GND GND GND Q 18 D TC614TU 5 Q 16 D TC614TU GND C 196 474P GND Hi Hi 5 C 198 10uF 10V T GND C 197 10uF 10V T GND C 199 47P GND C 202 47P GND GND C 204 103P C 203 10uF 10V T R 152 4 7K...

Page 10: ...60 220P R107 120K R100 15K R73 10K R78 150K GND C176 10P C158 224P R76 22K GND C166 200P C156 22P GND C165 100P GND 1 6V GND R136 1K TP2 TP1 Q19 DTC614TU GND R38 47K C174 22P R151 10K GND C47 10uF 16V...

Page 11: ...5V 5 GND R 82 4K7 R 81 4K7 R 83 4K7 R 68 4K7 I C3 L7810 TO 220 D CJ K D C12V I N C 186 104P GND R 39 4K7 R 40 4K7 C 221 47P 10 C LK 13 Q0 11 Q1 10 Q2 9 Q3 8 M R 12 I C17B 74H C393 C LK 1 Q0 3 Q1 4 Q2...

Page 12: ...SEG8 48 U1 HT1621B C1 1 C2 2 C3 3 C4 4 S1 5 S2 6 S3 7 S4 8 S5 9 S6 10 S7 11 S8 12 S9 13 S10 14 S11 15 S12 16 S13 17 S14 18 S15 19 S16 20 S17 21 S18 22 S19 23 S20 24 S21 25 S22 26 S23 27 S24 28 S25 29...

Page 13: ...BEC 1 2 VCC R1 12K R2 3K3 R3 150K R4 30K R5 3K9 R7 1K R6 1K5 R8 220K C1 0 22uF 63V C2 0 056uF 63V C3 0 022uF 63V C4 0 01uF 63V C5 10uF 16V 3 2 1 IC1A 4580M 5 6 7 IC1B 4580M 1 2 3 4 COM SW ENCODE 4BIT...

Page 14: ...2uF 10V C10 103P C16 4 7P C3 47P C2 10P C1 47P C19 472P R4 4 7K CLK DA LE X1 12M HZ 3V T 3V D O 3VDO 3 GND GND GND LE DA CLK GND VC O 790 826M Hz GND 3 GND GND GND R17 18R R21 470R C20 1 8P R23 47R R2...

Page 15: ...VSS 6 VDD 7 RB0 8 RB1 9 RB3 PGM 11 RA4 23 U132 PI C16F74 RC0 RC2 RC3 RC4 RC5 RE0 RE1 RE2 RA0 RD0 RD1 RD2 RD3 RD4 RD5 RD6 RD7 RB0 RB1 RB2 RB3 RB4 RB5 SEG1 5 SEG2 6 SEG3 7 SEG4 8 SEG5 9 SEG6 10 SEG7 11...

Page 16: ...0uF 10V T C 39 10uF 10V T O U T G I N I C 2 X C 62FP3002 3V T C 27 104P C 28 104P G N D O U TPU T3 3V C 17 22uF 10V C 10 103P C 16 10P C 3 47P C 2 10P C 1 47P C 19 472P R 4 4 7K CLK D A LE X 1 12M H Z...

Page 17: ...1 2 3 4 A B C D 4 3 2 1 D C B A CN1 CN5 CN56 CN55 CN1 MOD 800R ANT3 ANT4 CN1 CN2 POWER SW ANT B ANT A 5 WIRING DIAGRAM 15...

Page 18: ...1 2 3 4 A B C D 4 3 2 1 D C B A LCD CN1 CN2 CN3 CN4 M O D 800P Antenna red black spring leaf negative pole spring leaf positive pole butt insert butt insert 16...

Page 19: ...B C D 4 3 2 1 D C B A 1 4 3 2 M i c M i c Vcc GI D GND connect to ground wire connect to white wire connect to guitar wire connect to red wire parallel connection condenser respectively connection con...

Page 20: ...PCB AU 800R LCD Bottom Layer Bottom Overlay Bottom Solder PCB AU 800R LCD Top Layer Top Overlay Top Solder 6 PCB LAYOUT 18...

Page 21: ...PCB MOD 800R MOD Bottom Layer Bottom Overlay Bottom Solder PCB MOD 800R MOD Top Layer Top Overlay Top Solder 19...

Page 22: ...PCB UP 8DR RX V2 Bottom Layer Bottom Overlay Bottom Solder PCB UP 8DR RX V2 Top Layer BTop Overlay Top Solder 20...

Page 23: ...PCB UP 8H V2 Bottom Layer Bottom Overlay Bottom Solder PCB UP 8H V2 Top Layer Top Overlay Top Solder PCB UP 8H V2 Ground Plane PCB UP 8H V2 Power Plane 21...

Page 24: ...PCB UP MIC Top Layer Top Overlay Top Solder PCB UP MIC Bottom Layer Bottom Solder 22...

Page 25: ...PCB UP 8P MIC Bottom Layer Bottom Solder PCB UP 8P MIC Top Layer Top Solder 23...

Page 26: ...PCB UP 8P A Bottom Layer Bottom Overlay Bottom Solder PCB UP 8P A Top Layer Top Overlay Top Solder 24...

Page 27: ...PCB UP 8P B Power Plane PCB UP 8P B Ground Plane PCB UP 8P B Bottom Layer Bottom Overlay Bottom Solder PCB UP 8P B Top Layer Top Overlay Top Solder 25...

Page 28: ...7KHZ t he bat t er y i s f ul l when t he TO NE si gnali s 32 768KHZ t he bat t er y has 2 segm ent s when t he TO NE si gnali s 34KHZ i tdi spl ays l ow bat t er y 6 AF l evelt est when t he l eveli...

Page 29: ...lf r om ANT B t he LCD di spl ay ANT B e Dur i ng pr ess t he key obser ve whet hert he di spl ay ofLCD i s nor m alor abnor m al The di spl ay scr een wi l lappearcor r espondi ng var i at i ons 13 T...

Page 30: ...on key i s i nef f ect i ve att hi s t i m e i tneeds t o swi t ch t he CH O N key t o UN Lock st at us t hen t he SELECT key can wor k nor m al l y c O n t he st andby condi t i on pr ess SELECT key...

Page 31: ...50K RANG E 10 b AF set H Pass 25 L Pass 15K RANG E 50 3 Testpr ocedur e and speci f i cat i on 1 Tur n on t he powersuppl y pr ess t he O N O FF key f or2 seconds t he LED wi l ll i ghtup af t ert he...

Page 32: ...espondi ng var i at i ons O bser ve whet hert he di spl ay scr een i s nor m al orabnor m al 8 Low vol t age t est when vol t age i s 2 0V 0 2V t he di spl ay scr een wi l lshow l ow vol t age when t...

Page 33: ...8 EXPLODED VIEW MECHANICAL PARTS LIST MOD 800R 31...

Page 34: ...719 ZC lable RS 70 40mm MODELLER LV HS ALTO_V1 0 1 19 HB01949 PCB FR4 2L RS 40 32 5 1 6 MOD 800R MOD_VER060804 1 20 MA05850 ZC panel MOD 800R ALTO_V1 0 1 21 HI00334 power switch RS R612KKFT0F1 1 22 HA...

Page 35: ...Mic group MOD 800H 33...

Page 36: ...S 0 3t 1 4 09 12 99 UP 8H_V1 1 14 MK00084 spring piece 0 3 15 20 positive_V1 3 1 15 NI03451 battery bracket RS 13 4 113 5 black_V1 0 1 16 NI03466 antenna tube RS 20 6 48 8_V1 4 1 17 MD00777 up down st...

Page 37: ...MOD 800P 35...

Page 38: ...3 spring leaf 17 12 10 negative_V1 0 1 14 MK00112 spring leaf 25 5 10 5 10 1 6 _V1 0 1 15 MH01488 bolt 1 0 10mm SAMSON T V1 1 1 16 NI03588 battery cover 20 7 32 5 68 5 black_V1 0 1 17 NI03586 battery...

Page 39: ...2 19 black_V1 0 20 NI04198 battery cover UP 8P 4 5 10 7 14 5_V1 0 21 AE00055 solvent solvent 22 AE00056 paint RS 2745 23 NI03586 battery cover switch RS C UP 8P 5 2 10 7 14 5 black_V1 3 24 NI04126 key...

Page 40: ...r diode 1SS355 TE17 ROHM 64 RD00105 SMD fixed resistor 1 10W 22K 5 0603 65 CI00177 SMD ceramic capacitor 1206 22uF 10V Y5V 80 20 66 SF00010 SMD transistor RS ACT 2SC2412K SC59 ROHM 67 SF00020 voltage...

Page 41: ...07G 106 SE00059 SMD varactor BB142 PHI 107 SE00061 SMD rectifier diode 1SS355 TE17 ROHM 108 SG00040 SMD integrated circuit MC33078DT MC33078D SO8 ST MOTOROLA 109 RF00001 SMD semi fixed resistor EVN5ES...

Page 42: ...0 C1608X7R1H104KT TDK 151 CI00179 SMD ceramic capacitor 0603 0 22uF 25V X7R 10 C1608X7R1E224KT TDK 152 CI00180 SMD ceramic capacitor RS ACT 10uF 10V Y5V 80 20 153 CI00047 SMD ceramic capacitor 0603 10...

Page 43: ...ctance RS 2 2uH 5 MLF1608A2R2J TDK 185 RD00059 SMD fixed resistor 1 10W 0 0 5 0603 186 CL00002 SMD tantalum capacitor RS ACT 1 0uF 16V case A 187 MI03098 separating shade RS ACT UP 8P 0 2t 2 8 14 2 14...

Page 44: ...y bracket RS UP 8H 32 170 5 black_V1 2 23 NI03465 fixed board RS UP 8H 26 6 black_V1 1 24 MK00093 battery spring piece RS 0 3t 1 4 09 12 99 UP 8H_V1 2 25 MK00084 spring piece UP 8H 0 3 15 20 _V1 3 26...

Page 45: ...I00047 SMD ceramic capacitor 0603 10PF 50V C0G 0 25PF C1608C0G1H100CT TDK C2 C42 C76 71 CI00049 SMD ceramic capacitor 0603 15PF 50V C0G 5 C1608C0G1H150JT TDK C67 C120 C138 72 CI00051 SMD ceramic capac...

Page 46: ...citor RS ACT 4 7uF 20V case A ELNA C126 103 CL00007 SMD tantalum capacitor RS ACT 10uF 10V case A C92 104 CL00008 SMD tantalum capacitor 47uF 7V case B2 C143 C144 105 CL00011 SMD tantalum capacitor RS...

Page 47: ...SMD semi fixed resistor EVN5ES X50B24 20K VR55 VR56 147 SE00006 SMD varactor 1SV270 VD2 148 SE00016 SMD zener diode 1 2W 5 1V RLZ5 1B LL 34 D8 149 SE00045 SMD Schottky barrier diode RS 1A 30V FS1J3 D4...

Page 48: ...Ag Cu 176 SE00067 SMD L E D blue 12 215 BHC AN1P2 3C LED1 LED2 177 CO00005 SMD chip inductance 1uH 1R0K L5 178 RD00376 SMD precise resistor 1 8W 150 1 0805 R52 179 NE15896 lable MOD 800H ALTO_V1 0 18...

Page 49: ...2 12 19 black_V1 0 20 NI04198 battery cover UP 8P 4 5 10 7 14 5_V1 0 21 AE00055 solvent solvent 22 AE00056 paint RS 2745 23 NI03586 battery cover switch RS C UP 8P 5 2 10 7 14 5 black_V1 3 24 NI04126...

Page 50: ...r diode 1SS355 TE17 ROHM 64 RD00105 SMD fixed resistor 1 10W 22K 5 0603 65 CI00177 SMD ceramic capacitor 1206 22uF 10V Y5V 80 20 66 SF00010 SMD transistor RS ACT 2SC2412K SC59 ROHM 67 SF00020 voltage...

Page 51: ...07G 106 SE00059 SMD varactor BB142 PHI 107 SE00061 SMD rectifier diode 1SS355 TE17 ROHM 108 SG00040 SMD integrated circuit MC33078DT MC33078D SO8 ST MOTOROLA 109 RF00001 SMD semi fixed resistor EVN5ES...

Page 52: ...0 C1608X7R1H104KT TDK 151 CI00179 SMD ceramic capacitor 0603 0 22uF 25V X7R 10 C1608X7R1E224KT TDK 152 CI00180 SMD ceramic capacitor RS ACT 10uF 10V Y5V 80 20 153 CI00047 SMD ceramic capacitor 0603 10...

Page 53: ...ctance RS 2 2uH 5 MLF1608A2R2J TDK 185 RD00059 SMD fixed resistor 1 10W 0 0 5 0603 186 CL00002 SMD tantalum capacitor RS ACT 1 0uF 16V case A 187 MI03098 separating shade RS ACT UP 8P 0 2t 2 8 14 2 14...

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