Service Manuals, User Guides, Schematic Diagrams or docs for : AIWA Audio HT-DV90 hfe_aiwa_ht-dv90_service_simple_en

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hfe_aiwa_ht-dv90_service_simple_en


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                                     HT-DV90                      HRJ(S) LH(S)




          SIMPLE-2


SERVICE MANUAL
DVD STEREO SYSTEM                       BASIC DVD/CD MECHANISM: MGD-F6103A

                    A par t of contents is adequate.
                    Re-issuing is under pr epar ation r equest.



                                                                            TA
                                                                          DA




                S/M Code No. 09-023-359-3N3
                                                                       TABLE OF CONTENTS

SPECIFICATIONS ..................................................................................................................................................................... 3 ~ 4

PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ......................................................................................... 5

ACCESSORIES LIST ...................................................................................................................................................................... 6

ELECTRICAL MAIN PARTS LIST ........................................................................................................................................... 7 ~ 22

TRANSISTOR ILLUSTRATION ..................................................................................................................................................... 23

BLOCK DIAGRAM - 1 (OVERALL) ............................................................................................................................................... 24

WIRE HARNESS DIAGRAM ......................................................................................................................................................... 25

SCHEMATIC DIAGRAM - 1 (MAIN SECTION - 1/2) ..................................................................................................................... 26

SCHEMATIC DIAGRAM - 2 (MAIN SECTION - 2/2) ..................................................................................................................... 27

SCHEMATIC DIAGRAM - 3 (FRONT/KEY1/KEY2 SECTION) ..................................................................................................... 30

SCHEMATIC DIAGRAM - 4 (FUNCTION SECTION) .................................................................................................................... 33

SCHEMATIC DIAGRAM - 5 (POWER SECTION) ......................................................................................................................... 35

SCHEMATIC DIAGRAM - 6 (DVD MAIN SECTION) ..................................................................................................................... 37

WIRING - 1 (MAIN C.B -1/2) ......................................................................................................................................................... 28

WIRING - 2 (MAIN C.B -2/2) ......................................................................................................................................................... 29

WIRING - 3 (FRONT C.B) ............................................................................................................................................................. 31

WIRING - 4 (KEY1/KEY2 C.B) ...................................................................................................................................................... 32

WIRING - 5 (FUNCTION C.B) ....................................................................................................................................................... 34

WIRING - 6 (POWER C.B) ............................................................................................................................................................ 36

WIRING - 7 (DVD MAIN C.B) ........................................................................................................................................................ 38

LCD DISPLAY ............................................................................................................................................................................... 39

IC BLOCK DIAGRAM ............................................................................................................................................................ 40 ~ 43

IC DESCRIPTION ................................................................................................................................................................. 44 ~ 58

MECHANICAL EXPLODED VIEW 1/1 .......................................................................................................................................... 59

MECHANICAL MAIN PARTS LIST 1/1 ......................................................................................................................................... 60

COLOR NAME TABLE .................................................................................................................................................................. 61

MECHANISM EXPLODED VIEW 1/1 ............................................................................................................................................ 62

MECHANISM MAIN PARTS LIST 1/1 ........................................................................................................................................... 63

OTHER PARTS LIST 1/1 ....................................................................................................................................................... 64 ~ 65

SPEAKER EXPLODED VIEW 1/1 ................................................................................................................................................. 66

SPEAKER PARTS LIST 1/1 .......................................................................................................................................................... 67

SPEAKER OTHER PARTS LIST 1/1 ............................................................................................................................................. 68

SPEAKER DISASSEMBLY INSTRUCTION .......................................................................................................................... 69 ~ 70

AMPLIFIER ADJUSTMENT .......................................................................................................................................................... 71




                                                                                            -2-
                                                        SPECIFICATIONS -1/2

[HR Model]                                                                     General
Main unit HT-DV90                                                              Power requirements          120/220 - 240 V AC switchable, 50/60 Hz
                                                                               Power consumption           85 W
FM tuner section                                                               Power consumption           4W
Tuning range               87.5 MHz to 108 MHz                                 in standby mode
Usable sensitivity (IHF)   16.2 dBf                                            Dimensions                  430 (W) x 70 (H) x 311 (D) mm
Antenna jack               75 ohms (unbalanced)                                Weight                      4.3 kg

AM tuner section                                                               Disc player section
Tuning range               531 kHz to 1629 kHz (9 kHz step)                    Color system              PAL/MULTI/NTSC (Switchable)
                           520 kHz to 1720 kHz (10 kHz step)                   Supported discs           DVD video discs
Usable sensitivity         700 



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