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SERVICE MANUAL
CAUTION: Before servicing the chassis, read the "Important service safety
information" section on page 2 of this manual.
PORTABLE CD/MP3 RADIO CASSETTE RECORDER
MAJOR SPECIFICATION
RADIO
Frequency Range 540~1610KHz
IF
465KHz
Antenna
Ferrite Bar
POWER SUPPLY
AC ~ 230V 50Hz
DC
12V
UM-1 / R20 / Size: "D" 1.5V x 8 Batteries
SPEAKER
8 : Channel x 2
AUDIO POWER OUTPUT
2.5W / Channel x 2 10%THD
C o n v . F r o l o v
AM
FM
64~108MHz
10.7MHz
75: Telescope Antenna
MODEL: H1406
IMPORTANT SERVICE SAFETY----------------- 1
REPLACEMENT PARTS LIST---------------------2~13
ALIGNMENT
SCHEMATIC DIAGRAM -------------------------- 14
P.C.Boand ----------------------------------------------15-17
Exploded View-----------------------------------------18
Safety Precaution --------------------------------------19
Performance Specification -------------------------- 20~25
S E R V I C E P U B L I C A T I O N
CONTENTS
---------------------13
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Summary of Contents for Sansui H1406
- Page 1 SERVICE MANUAL MODEL: H1406 CAUTION: Before servicing the chassis, read the “Important service safety information” section on page 2 of this manual. PORTABLE CD/MP3 RADIO CASSETTE RECORDER MAJOR SPECIFICATION CONTENTS RADIO IMPORTANT SERVICE SAFETY----------------- 1 Frequency Range 540~1610KHz 64~108MHz REPLACEMENT PARTS LIST---------------------2~13 465KHz 10.7MHz...
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Page 2: Part List
PART LIST MODEL: H-1406 Item Part NO Description QTY. PURPOSE SP 2111 UTC 8227 KA 7808 KA 7805 AN 7312 LCD DEVICE PCB IC HT1621B CAP: 22K OHM CAP. 126PF/20PF LA-126E20D-12TB I.F.: PINK 7mm 7T 7mm 100 7T YELLOW 7mm 157 15T TRIMMER 10.7MHz(RED <3PINS>... - Page 3 MODEL: H-1406 RECEIVER 5V DIDOE: IN 4148 IN 4001 IN 5392 3.9V ZENER DIDOE 6.8V ZENER DIDOE TRANSISTOR 9014 C 8050 TRANSISTOR 772B NEC FM COIL: 0.75 5mm 2 0.75 5mm 3 AM COIL: 110 20T 3+1 L=125mm FERRITE BAR BRACKET: 10x25mm FERRITE BAR: 10x60mm...
- Page 4 MODEL: H-1406 220uf/16v 6mmx12.5mm) 220uf/25v 8mmx12.5mm) MOTOR X 1 1000uf/10v 8mmx13.5mm) 1000uf/25v 10mmx17.5mm) 2200uf/25v 13mmx21.5mm) RESISTOR 1/4:(+/-10%) 1 OHM 10 OHM TWEETER X2 15 OHM 33 OHM 82 OHM 220 OHM 330 OHM 390 OHM 820 OHM 1K OHM 2.2K OHM 2.7K OHM 3.3K OHM 3.9K OHM...
- Page 5 MODEL: H-1406 7PIN<VERICTAL> HEADER:(2.54mm) 11PIN<VERICTAL> SINGAL HOUSING WIRE 2.0mm) 1 HSG 5PIN, WIRE: L=200MM HEADPHONE JACK PCB X1 1 HSG 7PIN, WIRE:L=220MM FRONT PCB X1 SINGAL HOUSING WIRE 2.0mm) 26# 1 HSG 2PIN W/ WIRE GREEN RED L=120MM CD DOOR SWITCH x1 1 HSG 4PIN W/ WIRE BLACK SPx1 L=160MM BLACK GREEN L=460MM...
- Page 6 MODEL: H-1406 GREEN 50MM DISLPAY DEVICE PCBx1 RED 80MM FM ST LIGHT WIREx1 GREEN 80MM FM ST LIGHT WIREx1 BLACK 120MM TWEETER"-"x2 RED 120MM TWEETER"+"x2 SCREW: MS/PH 2.6x5 PVC GEAR x1 TA/PH2x10 CD DOOR SWITCH X1CASSETTE DOOR GEAR HOLDERrx2 TA/PH 3x16 BOTTOM CABINETx6 MS/BH 3x8 FM ANTENNA x1...
- Page 7 MODEL: H-1406 MAGNET 30x16 THICK:5mm 186 CD DECK RUBBER FEET RED TY-717<40C> GREEM TY-717<30C> 8.5x8.5x2.5MM RUBBER FEET CD-10VCD7805/7808 HEAT SINK 8227 HEAT SINK EYELET TRANSFORMER DOUBLE INSULATION PLATE: KW-89MP3 PLASTIC “A”SPEAKER CLIP “B”SPEAKER CLIP “C”SPEAKER CLIP “D”SPEAKER CLIP TWEETER FRONT CABINET BACK CABINET CASSETTE DOOR HANDLE...
- Page 8 MODEL: H-1406 CASSETTE DOOR GEAR CASSETTE DOOR GEAR HOLDER CD DOOR GEAR CD DOOR GEAR HOLER PCB BRACKER HEADPHONE JACK PCB HOLDER RECORDING PCB BRACKET MAGNET HOLDER MAGNET LOCK MAGNET COVER DUCT COVER SAN SUNG PACKING: POLYFOAM“L” POLYFOAM“R” GIFTBOX CARTON INSTRUCTION MANUAL CLASS 1 LABEL WARNING LABEL...
- Page 9 MODEL:H-1406 PCB SPCA718 MP3 BOARD V1.04 SAMSUNG SIL9226X01 SAMSUNG SIL9290X01 KA9259 SUNPLUS SPCA718A 2BE3L9J HCU04 HYUNDAI HY57V161610D 27C020(MP3 PROGRAMME) HSG:(2.0mm) 2PIN 6PIN 7PIN HSG:(2.5mm) 2PIN 3PIN HSG:(1.0mm) 16PIN IC HSG HOLDER ELECTROLYTIC CAP.:( / 10%) 5.1mmx12mm) 4.7UF/10V 10UF/10V 47UF/10V 100UF/10V CERAMIC CAP.: SMT<25V>...
- Page 10 MODEL: H-1406 1K OHM 4.7K OHM 8.2K OHM 10K OHM 12K OHM 15K OHM 18K OHM 22K OHM 33K OHM 39K OHM 47K OHM 68K OHM 82K OHM 100K OHM 120K OHM 270K OHM 1M OHM COIL: 10uH TRANSISTOR IN4148 ZENER DIDOE:3.3V ZENER DIDOE:3.9V TRANSISTOR...
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Page 11: Alignment Procedures
H1406 ALIGNMENT PROCEDURES AM IF. ALIGNMENT 1, Set the FUNCTION switch to “RADIO” position. 2, Set the BAND switch to “AM” position. 3, Connect a SWEEPSCOPE OUTPUT to AM standard radiating loop antenna and match the direction for built-in ferrite bar of AM antenna. - Page 18 We are sure that this portable CD/CD-R/RW/MP3 audio system will provide you with many years of exceptional performance with a minimum of care and maintenance. Please review the contents of this instruction manual completely and carefully before operating your unit, to make sure that you understand all functions and operations and get the maximum benefit out of all the...
- Page 19 CD PLAYING SPECIFICATION Temp 20 Humidity A.C 240 V 50Hz D.C LOADS 8 ohm Ref.out 50 SAMPLE: . PAGE 7 OF 7 MEASURING ITEMS CONDITION UNIT NORMAL LIMIT TEST CONDITION CD MAX. OUTPUT POWER 3500 SONY YDES-7 1KHZ SONY YDES-7 1KHZ...
- Page 20 CASSETTE RECORDING SPECIFICATION Temp 20 Humidity A.C 240 V 50Hz D.C LOADS 8 ohm Ref.out 50 SAMPLE: PAGE MEASURING ITEMS CONDITION UNIT NORMAL LIMIT TEST CONDITION R/P MAX. OUTPUT POWER 3500 3200 MTT-112BN/MTT-501 R/P 10% DIST. O/P POWER MTT-112BN/MTT-501 R/PMAX.
- Page 21 CASSETTE PLAYBACK SPECIFICATION Temp 20 Humidity A.C 240 V 50Hz D.C LOADS 8 ohm Ref.out 50 SAMPLE: PAGE 5 OF 7 MEASURING ITEMS CONDITION UNIT NORMAL LIMIT TEST CONDITION MAX. OUTPUT POWER 3500 3200 3700 MTT-112BN MTT-112BN 10% THD DIST.
- Page 22 REMARK : OTHER SPEC ARE SUB JECT TO CASS. MECHANISM SPECIFY. FM MPX SPECIFICATION Temp 20 Humidity A.C 240 V 50Hz D.C LOADS 8 ohm Ref.out 50 SAMPLE: PAGE 2 OF 7 MEASURING ITEMS CONDITION UNIT NORMAL LIMIT TEST CONDITION 90MHZ 98MHZ MAX.SENSITIVITY...
- Page 23 FM RADIO SPECIFICATION Temp 20 Humidity A.C 240 V 50Hz D.C LOADS 8 ohm Ref.out 50 SAMPLE: PAGE 1 OF 7 MEASURING ITEMS CONDITION UNIT NORMAL LIMIT TEST CONDITION LOW END 63 +/-0.5 63 FREQUENCY RANGE HIGH END +/-0.5 INTERMEDIATE FREQ...
- Page 24 MW RADIO SPECIFICATION Temp 20 Humidity A.C 240 V 50Hz D.C LOADS 8 ohm Ref.out 50 SAMPLE: PAGE 3 OF 7 MEASURING ITEMS CONDITION UNIT NORMAL LIMIT TEST CONDITION LOW END +/-5 FREQUENCY RANGE HIGH END +/-15 1633 INTERMEDIATE FREQ +/-3 600KHZ 1000KHZ...