Pioneer VSA-805S User Manual

Y) PIONEER’
The Art of Entertainment
Service
Manual
AV DIGITAL-SURROUND AMPLIFIER
VSA-805S
THIS
MANUAL
IS
APPLICABLE
TO
THE
FOLLOWING
MODEL(S)
AND
TYPE(S).
ORDER NO.
RRV1473
| Model |
Power Requirement
_—_ 805S
CONTENTS
1.
DISASSEMBLY
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5.
PCB
PARTS
LIST
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34
2.
EXPLODED
VIEWS,
PACKING
6.
IC
INFORMATION
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39
AND
PARTS
LIST
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7.
FL
INFORMATION
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3. BLOCK DIAGRAM crveeseeeee tcc e cette ercetet eee eeeenes 10 8. REMOTE CONTROL UNIT
4. SCHEMATIC AND [CU-VSA027 (AXD7091)}-:::1-1:ceeeeeeeeeeeees 42
PCB
CONNECTION
DIAGRAMS
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11
9.
PANEL
FACILITIES
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47
10. SPECIFICATIONS emcee eee ence teeter eens sana necaes 49
PIONEER
ELECTRONIC
CORPORATION
4-1,
Meguro
1-Chome,
Meguro-ku,
Tokyo
153,
Japan
PIONEER
ELECTRONICS
SERVICE,
INC.
P.O.
Box
1760,
Long
Beach,
CA
90801-1760,
U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER
ELECTRONICS
ASIACENTRE
PTE.
LTD.
501
Orchard
Road,
#10-00
Lane
Crawford
Place,
Singapore
0923
©
PIONEER
ELECTRONIC
CORPORATION
1996
FIs
AEP
obe
bites
Wiad

Pioneer VSA-805S Specifications

Power

power requirements	220 — 230 Volts, 50/60 Hz
power consumption	700 W
standby power consumption	3 W

Audio Specifications

continuous power output (DIN, 2 channels driven, 1 kHz, T.H.D. 1%, 4 Ω)	120 W + 120 W
continuous power output (DIN, 2 channels driven, 20 Hz — 20,000 Hz, T.H.D. 0.09 %, 8 Ω)	75 W + 75 W
total harmonic distortion (both channels driven, 20 Hz — 20,000 Hz, 8 Ω, 75 W output)	0.09 %

Input/Output Specifications

phono input (sensitivity/impedance)	2.8 mV/47 kΩ
cd input (sensitivity/impedance)	200 mV/47 kΩ
vcr/tape 1 out, tape 2 rec (level/impedance)	200 mV/2.2 kΩ

Weight and Dimensions

dimensions	420 (W) x 162 (H) x 300 (D) mm
weight	9.6 kg

Summary

Disassembly Procedures

PS & FUNC ASSY Disassembly

Procedure for removing the PS & FUNC assembly.

Exploded Views, Packing, and Parts List

Exterior Section Overview

Details the exterior components and their relationships.

Power Block Assembly Details

Instructions for disassembling and handling the power block.

Product Packing Information

Describes how the product is packed and differences between models.

System Block Diagram

Schematic and PCB Connection Diagrams

Overall Connections and Tuner Assemblies

Schematics and connection diagrams for tuner and overall assemblies.

PS & FUNC Assembly Schematics (Part 1)

Schematic diagrams for the PS & FUNC assembly, part 1.

Headphone, Speaker & Regulator Assemblies

Schematics for headphone, speaker, and regulator assemblies.

FL & UCOM Assembly Schematics

Schematics for the FL & UCOM assembly.

Amplifier Assembly Schematics

Schematics for amplifier and 120W amplifier assemblies.

Trans and Volume Assemblies Schematics

Schematics for the trans and volume control assemblies.

PCB Parts List

Integrated Circuit (IC) Information

PDG174A Microcomputer Pinout

Pinout and function details for the PDG174A system microcomputer.

FL Information

FL Tube Grid Assignment

Diagram showing the grid assignment for the FL tube.

FL Tube Anode Connections

Table detailing anode connections for FL tube pins.

FL Tube Pin Assignments

Pin assignment diagram for the FL tube and its connections.

FL Tube Pin Connection Details

Detailed pin connection table for the FL tube.

Remote Control Unit

Remote Control Exploded View and Parts

Exploded view and parts list for the remote control unit.

Remote Control PCB Diagram

Diagram of the printed circuit board layout for the remote control.

Specifications