Hitachi TRK-W360 Service Manual
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Hitachi TRK-W360 Service Manual

Hitachi TRK-W360 Service Manual

Radio cassette tape recorder
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Table of Contents

HITACHI
SERVICE
SAFETY
PRECAUTIONS
The following precautionsshould be observedwhen servicing.
1.Sincemanypartsin the unit havespecial safetyrelated characteristics,
t
replacemen
parts. E specially critical parts inthepower c ircuit b lock s hould notbereplaced withothermakers.
Critical p artsare marked with A
2. Before returning a repaired u nitto thecustomer, theservice technician m ustthoroughly t est the unitto
ascertainthat it is completelysafeto operatewithout dangerof electrical s hock.
SPECIFICATIONS
GENERAL
SPECIFICATIONS
Sunw
: AC: 240V, 50Hz (for
. AC: 110-127V, 200-220V,230-250V,
EOJ60Hz [for W, W(UN),
: AC; 120V, 60Hz[forH,
: DC: SV
or equivalent) (option)
(mahs)
Consump€on
: IOcm,40hmsX2
• 20W P.M.P. (AC operation)
mlOut
1.w.'/CH (10% T.H.D.) (DC operation)
:
Weight
• RADIO SECTION
. FM/SUMWLW4-band SuperbeJ0'0dyne
arcuit
[for E,
FMfSVWSW1
superheterodyhe [for W, W(UN),
: FM/AM 2-band superheterodyne
tforH.HCl
SPECIFICATIONS AND PARTS ARE SUBJECTTO CHANGE FOR IMPROVEMENT.
RADIO CASSETTE TAPE RECORDER
October
MANUAL
CONTENTS
SPECIFICATONS
DISASSEMBLYINSTRUCTIONS •
DIAL POINTER SETTING
CIRCUIT ADJUSTMENT
ADJUSTMENT
POINT
TUNER ALIGNMENT
SET UP
TUNER ALIGNMENT
PRINTED WIRING
BOARD
CIRCUIT DIAGRAM
WIRING DIAGRAM
EXPLODED
VIEW
(MECHANISM ASSEMBLY)
(UNIT ASSEMBLY)
REPLACEMENT PARTS LIST
the circuitdiagram andprintedwiring boa•rd.
cell or IECR20 or
(with batteries)
4-band
1990
No.
TY
TRK-W360
.2
.5
14
20
25
26
27
28
alwaysusegenuine Hitachi's
• FM: 87.5to 108 MHz tforE,
Tuning Range
FM: esto
• MW: S30t01605KHztexceptH,HC1
: AM: 530to 1705 KHz [forH, HCl
: LW: 150to 285KHz[forE, ECBS))
• SW2: 70t022.0MHz
SWI:
• swzrausw:
Antetnas (Amal)
: SM/MWIAMLW•.
antenna (aerial)
TAPE RECORDER SECTION
: AC bias (TAPE 2)
Recording Synem
x Magnet (TAPE 2)
Eruu•g
PhybEkFrequency
• Headphones: 8 to 100 Ohms
Q.rvut Load Impen&nce
aresubject t o change without noticefor performance
YOKOHAMA
No.649E
108 MHz [except
E,
eoto 18,0MHz [forE, E(BS)]
2,3t07.OMHz
Telescopic antenna (aerial)
Built-in ferrite core
70to 10,000 Hz
WORKS
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Summary of Contents for Hitachi TRK-W360

  • Page 1 No.649E HITACHI TRK-W360 SERVICE MANUAL CONTENTS SPECIFICATONS DISASSEMBLYINSTRUCTIONS • DIAL POINTER SETTING CIRCUIT ADJUSTMENT ADJUSTMENT POINT TUNER ALIGNMENT SET UP TUNER ALIGNMENT PRINTED WIRING BOARD CIRCUIT DIAGRAM WIRING DIAGRAM EXPLODED VIEW (MECHANISM ASSEMBLY) (UNIT ASSEMBLY) REPLACEMENT PARTS LIST SAFETY PRECAUTIONS The following precautionsshould be observedwhen servicing.
  • Page 2 DISASSEMBLY b@tiery cöv.æ„än4 the batteries. -holding the rear Rern6ve serews Remov four sscrew @ holding. the power PCBö Remove one hOldihg•"fhé :tünår PCB. Remove the volume Control knob take out the amplifier PCB. Removethree screws @ holding the cassette, Remove three EQ controlknobs and take out" EQ Coh'trol PCB.
  • Page 3 TRK-W360 DIAL POINTER SETTING Remove tuner PCB. Turn the tuning knob clockwise, Slide the pointer to the check position. Turn the tuning gear coünterc{ockwisa Replace the tuner PCB. Tuning, Knob Check Position Tuning Gear Figure Check that exposed parts are äcceptäbty insulated...

  • Page 4: Circuit Adjustment

    TRK-W3@ CIRCUIT ADJUSTMENT Tape Speed Adjustment (Figure 3) Connect a frequancy counter to the headphones jack parallet with a 32 obm non—reactive dummy load. 2. Adjust the motor speed with VR300 until the counter displays 301S Hz ( 2940 t03090 Hz) with ptaying back test tape ( 3000 Hz) .
  • Page 5 TRK-W360 ADJUSTMENT POINT [for E, E (BS) , W, W (UN) Figure Cfor H, e-fC2 Figure...

  • Page 6: Tuner Alignment

    TRK-W360 TUNER ALIGNMENT SETUP Loop Antenna Signal Scope Generator Antenna Headphone Ja<k,. Dummy LOSd 32 Ohm Figure Sweep Generator Scope CeramiC O. 022üF Ceramic 0.01 OF Figure Scope SSVM FM Signal Generator Headphone Dummy Jack to TPI Load 32 Ohm...
  • Page 7 TRK-W360 FM *gnat Generator Scope SSVM i-kadphone SW Dummy Jack to TP2 Dummy Load 32 ohm Figure SW Dummy R 1+Z0 —80 ohm ZO = Output impedance Of FM SG. Figure SSVM Counter Dummy Load 330k Figure...
  • Page 8 TRK*W360 WNER ALIGNMENT Cfor Alignment (Figures 6 and Frequency Tuning Alignment of Signal Dial Adjustment Remarks Step Generator Setting Calibration Obtain sine —wave and maximum amplitude. Max. MW RF Alignment (Figures 6 and Freq uency Tuning Step Alignment of Signal Dial Adjustment Remarks...
  • Page 9 TRK-W360 Alignment (Figures 5 and Freq uency Tuning Step Align ment Of Signal Dial Adjustment Remarks Generator Setting Calibration 10.7 Turn L 10 funy counter ockwise.. Obtain symetrical curve maximum amplitude. Max. 10.7MHz L 10 Obtain curve maximum amplitude. Max.
  • Page 10 TRK-WÖ6Ö [for W. W (UN) , W (AU) Alignment (Figures 5 and Frequency Adjustment Remarks Alignment of Signal Step Generator Setti ng MW RF Alignment (Figures 5 and Tuning Frequency Adjustment Remarks Alignment Signal Dial Step Generator Setting Obtain sine —wave and maxi mum Tuning Range...
  • Page 11 TRK-W360 IF Alignment (Figures 5 and Tuning Frequency Remarks of Signal Dial Step Alignment Generator Setti ng 10.7 Turn L 10 Calibration fully counter ockwise. Obtain symetrical curve maximum amplitude. Max. 10.7MHz Obtain curve L 10 maximum amplitude. Max. 10.7MHz RF Alignment (Figures 5;- 9 and 10)
  • Page 12 TRK.W360 E (BS) Cfor Alignment (FigureS 5 and Frequency Tuning Alignment of Signal Dial Adjustment Remarks Step Setting Generator sine —wave maximum Calibration amplitude. Max. MW RF Alignment (Figures 5 and Frequency Tuning Align ment Of Signal Adjustment Dial Remarks Step Setting Generator...

  • Page 13: Printed Wiring Board

    TRK-W360 TRK-W360 PRINTED WIRING BOARD RF Alignment (Figures 5, 9 Frequency Tuning Adjustment Remarks Alignment Signal Step Generator Setting Obtain sine -wave maxi mum 87.35 Tuning Range amplitude. Calibration 108.25 I-igh Max. Adjustment 90 MHz Tracking Repeat above adjustments. Stereo Adjustment (Figures 5, 6 and...
  • Page 14 TRK-W360 TRK-W360 PRINTED WIRING BOARD PRINTED WIRING BOARD — 15 — — 16 —e...
  • Page 15 TRK-W36 PRINTED WIRING BOARD — 17 —...
  • Page 16 TRK-W360 PRINTED WIRING BOARD —IRR iR220 18 —...
  • Page 17 PS P.C.B. [for PSP.C.B.[for H,HC] T" 00...
  • Page 18 [for E.E(BS)] IODOP o. 022 ICH) 4.7p 330K 100K 33/50 0.01 31-3 Sl-4 10-20 C5P) 0.01 8-1B 3öOP Sl-5 Sl-2 Cég 100-140 (120?) 0.022 120P 0.022 SEMICONDLCTOR SANO SWITCH Sl-l TAB167N 97.4 .25'.C-1z ISSi33 18.5NHZ SDH5 iS35KHt -OMIT NEER•--, TLR20e 290KHZ 2scg459 10 .
  • Page 19 [for 330P SOOK 100K st-3 0.01 SS-I ft-B 1500p SI—2 a ,022 0.022 470/ 0.022 0_022 acs.wtz us. e iSSi33 2.2. 7 .Niz RA. 10. 12 10.Ntz [for iOOOP o. 022 TO n-010 4.7p...

  • Page 20: Circuit Diagram

    TRK.W360 CIRCUIT DIAGRAM EC xrc SOOF* "01-1 AiO' O.' Rtz• i 20 OSOS ct26 C' 12 0.010 RIOS 1,150 Ci2i S302—i Ci09 ævense S30t-2 IC21 'cate SPEAKEA czao 0203 szoa-e R212 ssoo-t 030' C209 0303 9300-6 9300-4 S30e—a Gtoo S30S S300-5 S303-i 0200...
  • Page 21 BLUE 2 WHITE GRAY GRAY YELLOW SHIELD WHITE WHITE WHITEI LLOW2 GRAY 2 wvuowa...
  • Page 22 EXPLODEDVIEW (MECHANISM ASSEMBLY) TRK-W360 Nos.are reference Nos. of parts list. •223 m-194 • ! 74 202— — 26 —...
  • Page 23 TRK-W36C EXPLODED vmev (UNTASSEMBLY) e Nos.are reference Nos. of parts list. ¯ 27 _...

  • Page 24: Replacement Parts List

    TRK-W360 Cylindrical ce•amic Electrolytic REPLACEMENT PARTS LIST Ceramic discai Mylar film Carbon film ST : Styroi SYMBOL SYMBQ. DESCRIPTION PART DESCRIPTm4 PART 8.2PF ± ELECTRICAL PARTS LIST c 26 9303— 158—2—85 W, W (UN) . W (AU) Cfor 180PF CAPACITORS c.
  • Page 25 TRK-W35 SYMBOL SYMBOL PART PART DESCRIPTION V/ 6P R 15 0928— 865 —6 —14 560 Ohm c 207 0937—81 7—06 47uF 47 ohm 9302— —o— IOOOPF 0928—861 100 ohn R 17 c 209 0937— I —06 ± 20% t except Ht HO c 210 0936—650—...
  • Page 26 TRK-W360 SYMBO PART DESCRI PTION PART DESCR'PTION Q 201 0906— 3— 12 BAIL 330k R 306 0928— 863 DTC 143TS 220 ohm R 307 0928—862 — 14 —3—12 BAIL Q 202 0906— R 308 0906—202—9—00 143TS d. 7k 2SC 24SEGR Q 203 0906—20i—...
  • Page 27 TRK-W36C SYMBO PART DESCRIPTION 'FT—7 IFT—7 T 300 oms—062 — — 00 Transform« T 400 Power Transformer Cfoe Power Transformer Cfor E (BSD oot9-6t8—o — 00 Power Transformer Cfor H, HC3 0019— 889—0 — 00 Power Cför W .W (UN) TRIMER CAPACITORS Trin.
  • Page 28 TRK-W360 SYMBOL SYMBOL PART DESCRIPTION PART DESCRIPTION MECHANISM PARTS LIST Lug 3B) 9480 oo oo Tapping Bind Screw M2 x 5 9679 oo 00 14 301 Base Ass•y &921 Camera Tapping Screw M2 x 4.5 9999 18 •09 1921 14 og...

  • Page 29: Parts List

    TRK-W36( SYMBOL PART DESCRIPTION DESCRIPTION Camera S Tapping Strew M t. 7 x 8.5 13 03 Used 1851 02 42 Button Lever Spring Screw 9181 Switch Actuator ASSY 02 302 1851 Washer 1.75 x 4 x 0.3 9999 00 13 Actuator Spting 1851...
  • Page 30 TRK-W360 SYMBOL SYMBOL DESCRIPTION PART PART DESCRI PTION 0047— 296 —0—00 Cord 1240—825 — —01 Dial Sheet Cfor E (BS) Cfor H, HC3 Cord Dial Sheet Cfor W (ION) , W (AU) cror Up Case Sheet 0047—293—0—00 cord Cfor W, W (ON) —...
  • Page 31 TRK-W360 SYMBOL DESCRIPTICYO PART ACCESSORESE poly Bag PB— 13 x 25 0098—001 poly Bag PB— 65 44—5 Poly Bag PS—20 x 31 —00 Cfor H. NC. E (BS) poly Bag PB— 20 x 32 0083—972—0—00 Cfor Sheet Cfor E only) Sticker —...
  • Page 32 HITACHSALES {HN.LAS) Franee 110 Syn rou St. Athens, Greece Tel. 4821 6015 Tel. 9±3469 HITACHI SALES (MALAYSIA) SON, BHD. Hiuchi. No. 2. Lorong 13/6A,46200 Petanng HETAC" LTD. TOKYO JAPAN r. 757345 Head Office: THE HITACHI ATAGO BLDG. HTActa (SINGAPORE) LTD.

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