Table of Contents
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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
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
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. Data contained within this Service manual is subject to alteration for improvement. - 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
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.) Output terminals Front:... -
Page 5: Service Points
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 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 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. Fig.
- Page 8 10. Removal of Foot (a)Remove 4 screws ) to remove foot. 17 x 4 Fig. 7...
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Page 9: Adjustments
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. Band Destination Frequency... - Page 10 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
SM0102 WIRING DIAGRAM... - Page 13 SM0102 TUNER PCB...
- Page 14 SM0102 SURR PCB...
- Page 15 SM0102 DSP PCB...
- Page 16 SM0102 FL PCB...
- Page 17 SM0102 POWER PCB...
- Page 18 SM0102 VIDEO PCB...
- Page 19 SM0102 SPJK PCB...
- Page 20 SM0102 SW-H-P PCB...
- Page 21 SM0102 DIGITAL IN PCB...
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Page 22: Circuit Diagram
SM0102 MAIN CIRCUIT... - Page 23 SM0102 DISP / TONE CIRCUIT...
- Page 24 SM0102 SURROUND MAIN AMP CIRCUIT...
- Page 25 SM0102 TUNER / VOLUME CIRCUIT...
- Page 26 SM0102 DSP CIRCUIT...
- Page 27 SM0102 POWER SUPPLY / VIDEO CIRCUIT...
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Page 29: Exploded View
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
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 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 AXIAL CAP F 100000PF Z 50V [W, WUN] C134 0893239R CHIP CAP 39F 10000PF Z 50V [E, EBS]...
- Page 32 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 ELECT CAP SSL 10µF 50V C474 0893242R CHIP CAP 39F 22000PF Z 50V...
- Page 33 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 CHIP CAP 39SL 100PF K 50V C710 0893208R CHIP CAP 39B 1000PF K 50V...
- Page 34 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 CER-CAP YF 103 50V Z T 0700071Q RES CAR 1/16W 180KJ [E, EBS] C905...
- Page 35 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 CHIP RES RNC 1/16W 470-J R221 0790051R CHIP RES RNC 1/16W 10K-J...
- Page 36 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 CHIP RES 1/16W 3.6K-J R339 0700041Q RES CAR 1/16W 1KJ...
- Page 37 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 CHIP RES RNC 1/16W 220-J R540 AT01257R FLAME RETARDENT RES 1/4W 330-J...
- Page 38 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 CHIP RES RNC 1/16W 220-J R655 AT01056R FLAME RETARDENT RES 1W 10-J...
- Page 39 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 R854 0187096Q RES CAR 1/16W 20KJ [W, WUN] R757 0700034Q RES CAR 1/16W 330J...
- Page 40 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 IC NJM2068M TR403 CF01201R TRS 2SC1841-T (E/F) TR404 2318191...
- Page 41 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 TRS DTC114EKT146 D504 2398921T DIODE ISS133T-72 TR703 2316361R...
- Page 42 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 LED SLR-56VC3F S702 FE00411R TACT SWITCH (SKQNABD010) S703 FE00411R...
- Page 43 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 B-B SOCKET IMSA-9110S-03L VR452 AY00681 VAR RES 10K XVB141 CN8A...
- Page 44 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] MN01592 TOP COVER SHEET [W] NJ02063...
- Page 45 MEMO...
- Page 46 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. (HELLAS) S. A.