Hitachi FX 10 Service Manual

Page 1

020233

HITACHI W New

FX-10
SERVICE MANUAL IE. 2. B]

DANGER Invisible laser radiation when open and interlocks failed or defeated. AVOID DIRECT

CAUTION
( EXPOSURE TO BEAM.

GEFAHR
Unsichtbare Laser-Strahlung wenn Interlock (Blockierung) funktionsuntiichtig oder abgeschaltet.
UNMI'ITELBAREN KONTAKT MIT DEM STRAHL UNBEDIGT VERMEIDEN.

DANGER
Faire trés attention aux radiations émises par le faisceau laser invisible au défaillance du
vermuillage. NE JAMAIS S'EXPOSER DIRECTEMENT AU FAISCEAU.

( VARNING

Nér apparaten oppnats Och skyddsanordningen felar eller satts ur funktion forekommer osynlig
Iaserstralning. UNDVIK DIREKTE BESTRALING.

[ ADVARSEL

Nér apparatet ébne§ og beskyttelsesanordnin en ikke virker eller saettes un af funktion. forekommer
der usynlig laserstraling. UNDGA DIREKTE BE TRALING.

r ADVARSEL

Nér denne delen er apen som folge av at Iésen er utkoplet' eller ikke fungerer, eksisterer det
usynllg Iaserstraling. UNNGA A BLI ursm-r FOR DIREKTE BESTRALING!
r VARIOITS
Laite lfihettia'é nékymfitfinti lasers'ateilya'i, kun se avataan ja kun siséiset turvalukot eivét toimi.
\ VARO JOUTUMASTA ALTI1IKSI SATEILVLLE.
(- CONTENTS \
SPECIFICATIONS ........................................ 2 WIRING DIAGRAM .................................... 53
D40 EXPLODED VIEW ,,. . 55
DISASSEMBLY INSTRUCTIONS ........................... 3 PARTS LIST ........................................... 56
STANDARD MAINTENANCE .. . 4 DA-IO
ELECTRICAL ADJUSTMENT . 4 DISASSEMBLY INSTRUCTIONS .......................... 62
SCHEMATIC DIAGRAM ...... 9 INSTRUCTION FOR HANDLING
PWB BOTTOM VIEW .. .. 11 OPTICAL SYSTEM BLOCK PICKUP ...................... 63
WIRING DIAGRAM 13 PRECAUTIONS FOR CHECKING BEAM
EXPLODED VIEW .. 15 EMISSION 0F LASER DIODE ........................... 63
PARTS LIST ............................................ 18 PICKUP REPLACEMENT ..... ., 54
HMA-ID CD ADJUSTMENT ..... 65
DISASSEMBLY INSTRUCTIONS .......................... 25 TROUBLESHOOTING .. 68
ADJUSTMENT .............. r. 25 SCHEMATIC DIAGRAM .. 77
SCHEMATIC DIAGRAM . . 27 PWB BOTTOM VIEW 79
PWB BOTTOM VIEW ,. 29 WIRING DIAGRAM . 51
WIRING DIAGRAM 31 EXPLODED VIEW . B3
EXPLODED VIEW .. 33 PARTS LIST ............................................ 86
PARTS LIST ............................................ 34 HS-FXIO
HPT-IOIHMA-IO DISASSEMBLY INSTRUCTION ........................... 89
DISASSEMBLY INSTRUCTIONS ......................... 37 SCHEMATIC DIAGRAM A . A. ,. 89
TUNER ALIGNMENT ........ . .. 38 WIRING DIAGRAM . 89
SCHEMATIC DIAGRAM . . 41 EXPLODED VIEW 90
K PWB BOTTOM VIEW 49 PARTS LIST ............................................ 90 J
/- SAFETY PRECAUTION

The following precautions should be observed when servicing,

I. Since many parts in the unit have special safety-related characteristics, always use genuine Hitachi's replacement. firms.
Especially critical parts in the power circuit block should not be replaced with at er makersCritical parts are marked wlt A
in the circuit diagram and printed wiring board. _ V

2 Before returning a repaired unit to the customer. the service technician must thoroughly test the unit to ascertain that it is

k completely safe to operate without danger of electrical shock J

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

COMPACT DISC STEREO SYSTEM
July 1992 Consumer Electronics Division

Page 2

FX-10

The caution labels on laser usage

DA~10
CLASS 1
LASER PRODUCT
U DA-10
I
o
o
l-.._l

: H m m
W335 W! 1 We! will
KWEEE: usvuut msmfimw vtn 1 Eli

mmmtu rltuixm

mm 0mm
"main ma 5mm
: simullmllis nulrzrrfissnm ms!

lmmxmul

MIMWIDWAUST

Timer accuracy:

002 : 40 to $.00on
Metal : 4047.00on
72dl3 (Dolby c on)
56:43 (Dolby oil)

'3!
Signal (0 Nolse ratio:
. Speak-r Syn-milieu)

SPECIFICATIONS

. Preamplifier-tuner ("PT-10) Dynamic bass: 70H: in dB , Accessories
Tuning range: FM : 875 to 108.0MH1(50kH2 step) signal to Noise ratio: 9MB AM loop antenna: 1
MW: 522 to LSHkHzile-iz step) Antenna holder and screws: ism
Lw : I53 to zaikHzUkHz step) . CD PlaytrinA-Io) System connector cabie(9P): i
Sensltlvity (SIM ZSdB): FM : LS/IV Frequency response: 5 to 20,000Hl System comedy cable(l§P): I
Mw; 6IdB/m Dynamlc range: suds Pin cord (IF): I
LW ' seas/m Signal to noise ratio: 103da Pln (ordflP): 2
Signal to Noise ratio Distortion mm): 0.007% Remote controiiiiB-in) i
(mono): 70da Separation (" Separation (Stereo): 40:18.
input sensitivity: Aux 300mv/47kohms
Phone 3mv/47kohms (switchable) Ausov, 50H: [5,2]
DAT SDOMV/szohms Power consumption: 330w AC240V, 50H1[B]
Output/Impedance: DAT re( ZODmV/lkoltms Dimensions:
Pre Out 200mvnkohms cu Player: 225(w) x 830i) x 262(D)mm
Frequency response: to to 20,000Hz (0A1) Preampliflehluner: 225(wl x 830+) x 275(D)min
Distortion(lka): 0,005 rape Deck: :25 (W) x lisil-i) x 262 (D) mm
Signal to Noise ratio: QSdE Power Amplifier: 225(VV) X I15 (H) x 32) (D) mm
Tone control: Bass +/-8dl3 (IDOHz) Weight:
Ireble +I-adBliakHz) CD Player: 2.0kg
Preamplifier-Tuner: I .likg
. Tap. DazHD-lll) Tape Deck: 2.Bkg
Frequency response: More 40 to 5,00on Power Amplifier: 5.9kg

Within 60 seconds at monthly

Specifications are subgett to change without
notice for performance lnprovemem.

wow nutter: mm mm System: Iécm 3»way speaker system
Impedance: (when:
a Pm! Amplifier (MA-10) Max. Power (Music): 100W
Outpm pwer; 50W «- 50W 0,02% (SINUS) Dimensions: In (W) X 396 (H) x 255 (D) mm
Distortionlmzwi; 0.015% Weight: 10kg
fluency response. 10 to 50,000»:
"vim sensitivity: zoomwnkohms

check that exposed parts are acceptably insulated irom the supply zircuit beiore
returning the instrument repaired to the customer,

0 Checking method
Power (Operate) switch is set to ON.
Next, measure the resistance value between the bath poles of attachment cup
(Power supply plug)lnd the cu OUT terminal of rear plate and check that the
resistance value is 500 kohms or more.

INSTRUMENT

(Exposed part)

.00..

Insulation tester (DC 500V)