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Marantz SR19/K1G User Manual

Marantz SR19/K1G
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AV Surround Receiver
SR-19
323J855010 MIT
First Issue 1999.11
Service
Manual
SR19 /K1G, /S1G, /U1B
R
SR-19
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ................................................................................................................. 1
2. WIRING DIAGRAM ..................................................................................................................................... 3
3. BLOCK DIAGRAM ....................................................................................................................................... 5
4. SCHEMATIC DIAGRAM .............................................................................................................................. 7
5. PARTS LOCATION (Pattern Side) ............................................................................................................ 25
6. IC DATA .................................................................................................................................................... 45
7. EXPLODED VIEW AND PARTS LIST ....................................................................................................... 53
8. SERVICE PROGRAM ............................................................................................................................... 57
9. ELECTRICAL ADJUSTMENTS ................................................................................................................. 59
10. ALIGNMENT PROCEDURES ................................................................................................................... 61
11. TROUBLE SHOOTING ............................................................................................................................. 63
12. TECHNICAL DESCRIPTION FOR DECODER ......................................................................................... 66
13. ELECTRICAL PARTS LIST ....................................................................................................................... 68
POWER ON / OFF
PHONES
A/D ATT
AUTO DOLBY
BAND FM MODE
THX DTS
MEMO
HALL
CL
MATRIX
D.COPY
MOVIE
TAPE
COPY
VCR1
ST/MONO S.DIRECT
TONE CONTROL
BASS TREBLE
S2-VIDEO VIDEO L AUDIO R
AUX INPUT
INPUT SELECTOR
AV SURROUND RECEIVER SR-19
dts
CINEMA
MUSIC
96 kHz
TV
LD
DVD
DOWN
GYRO TUNING UP
VCR1 DSS/VCR2
AUX
PRESET AUTO TUNINGDISPLAY OFF MULTI
DOWN UP
VOLUME
LC R
LFE
LS S RS
PEAK
STANDBY
Printed in Japan
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Marantz SR19/K1G Specifications

General IconGeneral
BrandMarantz
ModelSR19/K1G
CategoryStereo Receiver
LanguageEnglish

Summary

Marantz Design and Service

Ordering Parts

Instructions for ordering replacement parts and required information.

Shock, Fire Hazard Service Test

Critical safety test before returning unit to customer.

Technical Specifications

FM Tuner Section

Detailed specifications for the FM tuner.

AM Tuner Section

Detailed specifications for the AM tuner.

Audio Section

Specifications for audio output, input, and processing.

Wiring Diagram

Block Diagram

Schematic Diagram

Parts Location (Pattern Side)

IC Data

Q601: YSS912

Technical data for the main DSP IC.

Q351: LC72720

Technical data for the RDS decoder IC.

QD01/QD02/QD03: AD1855

QL09,QZ11: LC74781

QK01: CS5394

Q651: ZR38600

Exploded View and Parts List

Service Program

Factory Mode (Tracking Point Memory)

Mode for tuner circuit calibration and memory.

FLD Segment Check Mode

Mode to check all luminous segments on the display.

Version of Microprocessor (CPU)

Mode to confirm the version of main CPU and DSP.

Input and Output Test Mode

5.1 Channels Output Mode

Mode to output same signal from 5 channels.

Transistor Mute Mode

Mode to activate the muting transistor circuit.

How to Reset the Product

Procedure to clear all user memories.

Electrical Adjustments

DC Offset Adjustment

Adjusting DC offset at speaker output terminals.

Idling Current Adjustment

Adjusting bias current for amplifier stages.

Thermostat Circuit Confirmation

Verifying the operation of the thermostat circuit.

Cooling Fan Confirmation

Fan Failure Sensor Confirmation

Testing the fan failure detection system.

Temperature Sensor Confirmation

Testing the cooling fan's response to temperature.

Fan Catching a Foreign Body Sensor Confirmation

Testing obstruction detection for the cooling fan.

Alignment Procedures

AM IF Adjustment

Aligning the AM Intermediate Frequency stage.

AM (MW) Tracking Adjustment

Aligning MW band reception sensitivity and frequency.

AM (LW) Tracking Adjustment

Aligning LW band reception sensitivity and frequency.

AM Auto Stop Adjustment

FM MONO. Distortion Adjustment

FM Muting Level Adjustment

FM Stereo Distortion Adjustment

FM Stereo Separation Adjustment

Trouble Shooting

Technical Description

Dolby Digital (AC-3)

Explanation of Dolby Digital audio decoding.

DTS

Explanation of DTS digital surround sound.

THX Ultra

Explanation of THX processing features.

DIR (Digital Audio Interface Receiver)

1st DSP (Digital Signal Processor for Dolby Digital, Pro Logic, DTS)

2nd DSP (Digital Signal Processor for THX processing)

ADC (Analog to Digital Converter)

DAC (Digital to Analog Converter)

CPU (Q691 / μPD78018)

Electrical Parts List

Resistors

List of resistors used in the unit, with part numbers.

Capacitors

List of capacitors used in the unit, with part numbers.

Note on Safety

Important safety precautions for component replacement.

Abbreviation and Marks

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