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CAUTION:
Before servicing this chassis, it is important that the service technician read the "Safety
Precautions" and "Product Safety Notices" in this service manual.
ATTENTION:
Avant d'effectuer l'entretien du châassis, le technicien doit lire les «Précautions de sécurité»
et les «Notices de sécurité du produit» présentés dans le présent manuel.
VORSICHT:
Vor Öffnen des Gehäuses hat der Service-Ingenieur die „Sicherheitshinweise" und „Hinweise
zur Produktsicherheit" in diesem Wartungshandbuch zu lesen.
SPECIFICATIONS ..................................................................................................................................................4
SERVICE POINTS ..................................................................................................................................................5
ADJUSTMENTS .....................................................................................................................................................9
WIRING DIAGRAM .................................................................................................................................................11
PRINTED WIRING BOARD ....................................................................................................................................12
CIRCUIT DIAGRAM................................................................................................................................................22
BLOCK DIAGRAM....................................................................................................... ...........................................28
EXPLODED VIEW...................................................................................................................................................29
REPLACEMENT PARTS LIST ................................................................................................................................30
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
All manuals and user guides at all-guides.com
SERVICE MANUAL
MANUEL D'ENTRETIEN
WARTUNGSHANDBUCH
CONTENTS
AV SURROUND RECEIVER
September 2000
SM0102
HTA-DD1E
HTA-DD1EBS
HTA-DD1W
HTA-DD1WUN
Data
contained
within
this
manual is subject to alteration for
improvement.
Les données fournies dans le présent
manuel d'entretien peuvent faire l'objet
de modifications en vue de perfectionner
le produit.
Die
in
diesem
Wartungshandbuch
enthaltenen Spezifikationen können sich
zwecks Verbesserungen ändern.
Service
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Table of Contents
Related Manuals for Hitachi HTA-DD1E
Summary of Contents for Hitachi HTA-DD1E
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Page 1: Table Of Contents
All manuals and user guides at all-guides.com SM0102 HTA-DD1E HTA-DD1EBS HTA-DD1W HTA-DD1WUN SERVICE MANUAL MANUEL D'ENTRETIEN WARTUNGSHANDBUCH CAUTION: Before servicing this chassis, it is important that the service technician read the “Safety Precautions” and “Product Safety Notices” in this service manual. - Page 2 ALL PRODUCTS CE MARK Before any service is performed on the chassis an 1. HITACHI products may contain the CE mark on isolation transformer should be inserted between the the rating plate indicating that the product power line and the product.
- Page 3 The following precautions should be observed when servicing. Since many parts in the unit have special safety related characteristics, always use genuine HITACHI replacement parts. Especially critical parts in the power circuit block should not be replaced with other makers.
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Page 4: Specifications
All manuals and user guides at all-guides.com SPECIFICATIONS • Audio section (Power amplifier) Rated output: Front: 60 W + 60 W (8W/ohms, 20 Hz ~ 20 kHz with 0.08 % T.H.D.) Centre: 60 W (8W/ohms, 20 Hz ~ 20 kHz with 0.08 % T.H.D.) Surround: 60 W + 60 W (8W/ohms, 20 Hz ~ 20 kHz with 0.08 % T.H.D.) -
Page 5: Service Points
All manuals and user guides at all-guides.com SERVICE POINTS 1. Removal of Top Cover (a)Remove 4 screws 2 from the rear plate. (b)Remove 2 screws 1 from each side. Top cover Fig. 1 2. Removal of the Rear Plate (a)Remove 23 screws 3 and 1 screw 4 from the rear plate. (b)Remove 5 screws + from the Bottom Chassis. - Page 6 All manuals and user guides at all-guides.com 3. Removal of Tuner/DSP/Video/Digital PWB Board (a)Remove the Flat cable Z at the Tuner PWB. (b)Gently pull the Tuner/DSP/Video PWB Board upwards to detach 8 connectors from Main PWB Board. (c)Detach the connector from DSP PWB Board to remove the Digital PWB. Connectors x 8 Flat cable Digital PWB...
- Page 7 All manuals and user guides at all-guides.com 8. Removal of Front Panel (a)Invert the Bottom Chassis and remove 4 screws ". (b)Remove the Master Vol. & Bass/Treble Knob before remove the Front panel. 12 x 1 11 x 4 Bottom Chassis Front Panel Bass/Treble Knob Master Vol.
- Page 8 All manuals and user guides at all-guides.com 10. Removal of Foot (a)Remove 4 screws ) to remove foot. 17 x 4 Fig. 7...
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Page 9: Adjustments
All manuals and user guides at all-guides.com ADJUSTMENTS 1) FM Discriminator Measuring instrument and condition. Input Terminal Output Terminal Measuring Instrument Frequency Adjust Reading FM Antenna * R22 DC Balance Meter 98.1MHz 0±30mV 1kHz, 60 dBµ 22.5kHz dev. DC balance meter 2) Voltage of covering (Reference) Measuring instrument and condition. - Page 10 All manuals and user guides at all-guides.com 3) Idling voltage (No adjustment is needed) Test points Condition a) Front left channel (MAIN PWB) Master volume : --- (min) C522 L501 Temperature : 15 ~ 30°C JP513 Reading (SPEC) 1) POWER ON AFTER ONE MIN. 0.5 ~ 2.0 mV 2) STABLE Æ...
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Page 11: Wiring Diagram
All manuals and user guides at all-guides.com SM0102 WIRING DIAGRAM... -
Page 12: Printed Wiring Board
All manuals and user guides at all-guides.com... - Page 13 All manuals and user guides at all-guides.com SM0102 TUNER PCB...
- Page 14 All manuals and user guides at all-guides.com SM0102 SURR PCB...
- Page 15 All manuals and user guides at all-guides.com SM0102 DSP PCB...
- Page 16 All manuals and user guides at all-guides.com SM0102 FL PCB...
- Page 17 All manuals and user guides at all-guides.com SM0102 POWER PCB...
- Page 18 All manuals and user guides at all-guides.com SM0102 VIDEO PCB...
- Page 19 All manuals and user guides at all-guides.com SM0102 SPJK PCB...
- Page 20 All manuals and user guides at all-guides.com SM0102 SW-H-P PCB...
- Page 21 All manuals and user guides at all-guides.com SM0102 DIGITAL IN PCB...
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Page 22: Circuit Diagram
All manuals and user guides at all-guides.com SM0102 MAIN CIRCUIT... - Page 23 All manuals and user guides at all-guides.com SM0102 DISP / TONE CIRCUIT...
- Page 24 All manuals and user guides at all-guides.com SM0102 SURROUND MAIN AMP CIRCUIT...
- Page 25 All manuals and user guides at all-guides.com SM0102 TUNER / VOLUME CIRCUIT...
- Page 26 All manuals and user guides at all-guides.com SM0102 DSP CIRCUIT...
- Page 27 All manuals and user guides at all-guides.com SM0102 POWER SUPPLY / VIDEO CIRCUIT...
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Page 28: Block Diagram
All manuals and user guides at all-guides.com... -
Page 29: Exploded View
All manuals and user guides at all-guides.com VIDEO P.W.B. POWER CAUTION TRANSFORMER (W/WUN) VOLTAGE SELECTOR (W/WUN) Accessories FL DISP PWB AM LOOP ANTENNA 8T Remote Control EDISON PLUG ADAPTER FM ANT... -
Page 30: Replacement Parts List
All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. ABBREVIATIONS Capacitors ..... CK45: Disk capacitor, CK73: Chip capacitor (E-12 series), CK14: Axial capacitor, CQ: Polyester film capacitor, CE: Electrolytic, CC73: Chip capacitor (E-24 series) Resistors .... - Page 31 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION C238 H240068...
- Page 32 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION C315 0800018Y...
- Page 33 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION C546 0893126R...
- Page 34 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION C904 H244171...
- Page 35 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION R136 0790033R...
- Page 36 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION R285 0196081R...
- Page 37 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION R465 0790028R...
- Page 38 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION R602 0790028R...
- Page 39 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION R757 0700034Q...
- Page 40 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION IC241 CK02301T...
- Page 41 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION TR702 2316361R...
- Page 42 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION LED703 CH01501...
- Page 43 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION CN7B EY00091...
- Page 44 All manuals and user guides at all-guides.com PRODUCT SAFETY NOTE: Components marked with a have special characteristics important to safety. Before replacing any of these components, please read carefully the Service Manual. SYMBOL SYMBOL PART NO. DESCRIPTION PART NO. DESCRIPTION MN01593 TOP COVER SHEET [E, EBS, WUN]...
- Page 45 All manuals and user guides at all-guides.com MEMO...
- Page 46 All manuals and user guides at all-guides.com Hitachi, Ltd. Tokyo, Japan International Sales Division THE HITACHI ATAG O BUILDING No. 15 –12 Nishi Shinbashi, 2 – Chome, Minalo – Ku, Tokyo 105-8430, Japan. Tel: 03 35022111 HITACHI HOME ELECTRONICS HITACHI HOME ELECTRONICS (EUROPE) LTD.