Panasonic sa ht80

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ORDER NO. MDOOOSOSQCZ

Service Manual

DVD Home Theater Sound System

[flfimm [jg-"gfi DVD SA-HT80

DIGITAL Aunlo _G|TAL VIDEO
Colour
Remote SA-HT80 .
contm' (S) Silver Type

Transmitter

(E) Europe

(EB) Great Britain

(EG) Germany and Italy
(EE) Eastern Europe

SB-AFCSO SB-WBO CD SECTION :
DPT-3ATU»AD TRAVERSE DECK SERIES

Specifications
I AMPLIFIER SECTION I DISC SECTION
RMS TTL POWER OUTPUT 300 W Disc
(10% total harmonic distortion at 1 kHz) DVD
FRONT 36 W per ch (69) 8 cm/12 cm single-sided, single-layer
CENTER 36 W (69) 8 cm/12 cm single-sided, double-layer
SURROUND 36 W per ch (69) 8 cm/12 cm double-sided, double-layer
SUBWOOFER 120 W (6(2) (one layer per side)
DIN TTL POWER OUTPUT 220 W CD/V-CD 8 cm/12 cm
(1% total harmonic distortion at 1 kHz) Video
FRONT 26 W per ch (69) Signal system NTSC/PAL (depend on disc format)
CENTER 26 W (6(2) Output level Composite video 1 Vp-p (759)
SURROUND 26 w perch (6 s2) S-video Y 1 Vp-p (759)
SUBWOOFER 90 w (69) S-video C 0.300 Vp-p (759/PAL)
Input sensitivity/ input impedance 0.286 Vp-p (759/NTSC)
AUX 250 mV, 10 k9 Audio
I FM TUNER SECTION Sampling frequency
Frequency range 87.5 - 108.0 MHz (50 kHz steps) CD 44.1 kHz
Sensitivity 16.3 dBf (1.8 (1V, IHF) DVD 48 kHz/96 kHz
Antenna terminals 75 Q unbalanced Decoding 16/20/24 bit linear
I AM TUNER SECTION Wow and flutter Less than possible measurement
Frequency range 522 - 1629 kHz (9 KHz steps) data
Sensitivity Digital filter 8 ts
S/N 20 dB at 999 kHz 500 liV D/A converter Delta-sigma DAC

© 2000 Matsushita Electronics (S) Pte Ltd. All rights

- ®
P n I reserved. Unauthorized copying and distribution is a
violation of law.

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U

Pick up

Beam Source Semiconductor Laser
Wavelength 665 nm
I GENERAL

Power supply AC 230-240 V, 50 Hz

Power consumption 178 W
Standby 0.50 W
Dimensions (W x H x D) 430 x 136 x 400 mm
Mass 8.7 kg
Note:

1. Specifications are subject to change without notice.
Weight and dimensions are approximate.

2. Total harmonic distortion is measured by the digital spectrum
analyzer.

l System SC-HTBO (E)
SC-HT80 (EB)
SC-HT80 (EG)
SC-HTBO (EE)
I Main Unit SA-HTSO (E)

SA-HT80 (EB)
SA-HT80 (EG)
SA-HTBO (EE)
SB-AFCSO (E)

SB-Acho (EB)

SB-AFC80 (EG)

SB-AFCBO (EE)

SB-wao (E)
SB-W80 (EB)
SB-W80 (EG)
SB-W80 (EE)

l Front, surround and center
speakers

I Subwooter

AWARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced protessional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

CONTENTS

Page

1 Before Repair and Adjustment ............................................... 3
2 Protection Circuitry

3 Accessories ..........

4 Handling Precautions For Traverse Deck ............................... 4
5 Precaution of Laser Diode ...................................................... 5
6 Caution tor Ac Mains Lead ..................................................... 7
7 Operation Procedures ............................................................ 3
8 Operation Checks and Main Component Replacement
Procedures --------------------------------------------------------------------------- 10
9 Self-Diagnosis and Replacement ot Optical Pickup ............. 34
10 Lock Mode for Demonstration .............................................. 35

Page

11 Tilt Adiustment tor Optical Pickup ---------------------------------------- 36
12 Self-Diagnosis Function and Service Mode-

13 Power Adiustment ....................................

14 Measurement and Adjustments ............................................ 42
15 Illustrations of iCS, Transistor and Diode ............................. 43
16 Terminal Functions of Ics .................................................... 44

17 Block Diagrams

18 Schematic Diagram
19 Printed Circuit Boards .......................................................... 94
20 Wiring Diagram ................................................................... 107
21 Parts LOCation and Replacement Parts List ....................... 109