Panasonic SC-H M900 User Manual

ROZMO121
Service Manual
r
SC-HM900
SB-PS70
r-
SB-HM900
SA-HM900
r-
Stereo system
SC-H M900
,
SB-HM900
ESPECIFICA TIONS
r'-
Notes:
1. AIIthe informationaresubjectto changewithoutnotice.
2. Weigthanddimensionsareapproximate.
,......
Panasonic
(illol!@
DIGITAL AUDIO
MODEL UNIT
SA-HM900
Stereo
SC-HM900
SB-HM900
Front Speaker
SB-PS70
Surround Speaker
SB-PC70
Cantar Speaker
POWEROUTPUT(AMPLlFIER)
Front
(Low)
130W
RMS par ehannel (6 Q), 80 Hz , 10% DAT
(High) 70 W
RMS par ehannel (6 Q), 1 kHz , 10% DAT
Surround
50W
RMS par ehannel (8 Q), 1 kHz, 10% DAT
Central 100W
RMS (8 Q), 80 Hz, 10 % DAT
AMPlIFIER
SA-HM900
Power output:
7000 W PMPO
Power eonsumption:
280 W
Supply:
127 V ea :t10% 60 Hz
Input sensitivity:
250 mV
Freeueney ranga AM:
522 - 1629 kHz (9 kHz steps )
520 -1630 kHz (10kHz steps)
Freeueney ranga FM:
87,5 - 108,0 MHz (50 kHz steps )
Dimensions (b x h xl):
360 x 425 x 340 mm
Weight:
9,8 kg approx.

Panasonic SC-H M900 Specifications

General

Brand	Panasonic
Model	SC-H M900
Category	Stereo System
Language	English

Summary

Service Manual

Specifications Overview

Safety Precautions

Insulation Resistance Test

Procedures for testing insulation resistance to prevent shock hazards.

Repair and Adjustment Procedures

Protection Circuitry

Traverse Deck Handling Precautions

Optical Pick-up Handling

Precautions for handling the traverse deck and its components.

Electrostatic Discharge Prevention

Methods for grounding to prevent electrostatic discharge during service.

Laser Diode Precautions

Operation Procedures

Main Unit Controls

Central Console Controls

Remote Control Functions

Operation Checks and Component Replacement

Servicing Jig Information

Main Unit Disassembly

Main Component Replacement

Traverse Deck Replacement

Step-by-step guide for replacing the traverse deck unit.

Power Amplifier IC Replacement

Traverse Unit Disassembly/Assembly

Traverse Unit Replacement

Procedures for removing and installing the traverse unit.

Disc Tray Disassembly/Assembly

Disc Tray Installation

Steps for installing the disc tray after replacement.

Self-Diagnostic Function

Self-Diagnostic Display

Entering Self-Diagnostic Mode

Instructions on how to activate the self-diagnostic mode.

Cassette Mechanism Test Procedure

Test procedure for cassette mechanism errors.

CD Mechanism Test Procedure

Clearing Error Codes

Power Amplifier Failure (F61)

Error Codes: Cassette Mechanism

Error Codes: CD/Changer

Power Supply Error Detection

CD Test Mode Function

Setting CD Test Mode

Step-by-step instructions to enter CD test mode.

Interpreting Auto-Adjustment Results

How to interpret auto-adjustment results shown on the FL display.

Measurements and Adjustments

Cassette Deck Measurements

Measurements and adjustments for the cassette deck section.

Head Azimuth Adjustment (Deck 1/2)

Procedure for adjusting head azimuth on both decks.

Tape Speed Adjustment (Deck 1/2)

Procedure for adjusting tape speed on both decks.

Bias and Erase Voltage Check

Bias Frequency Adjustment (Deck 1/2)

Tuner Section Alignment

AM-IF Alignment

Alignment procedure for the AM Intermediate Frequency circuit.

Alignment Points

Cassette Deck Alignment Points

Tuner Section Alignment Points

IC Terminal Functions

Servo Amplifier IC Terminals

Servo Processor IC Terminals

Microprocessor IC Functions

Block Diagram

Printed Circuit Board Layouts

CD Servo PCB Layout

Main/Tuner PCB Layout

Main/Tuner PCB Layout (SMT)

Panel PCB Layouts

Panel PCB LED Disc Layout

Mechanism PCB Layouts

Deck 1 Mechanism PCB Layout

PCB layout for the Deck 1 mechanism.

Deck 2 Mechanism PCB Layout

Tuner Pack PCB Layout

Loading & Detect PCB Layouts

CD Loading PCB Layout

CD Detect PCB Layout

Spindle Position PCB Layout

Deck PCB Layout

Power PCB Layout

Wiring Connection Diagram

Troubleshooting Guide

Parts Lists Overview

Deck Mechanism Parts

Deck Mechanism Parts Location

Deck Mechanism Parts List

CD Loading Mechanism

CD Loading Mechanism Part Location

CD Loading Mechanism Parts List

Cabinet Parts

Cabinet Parts Location

Cabinet Parts List

Electrical Parts List

Speaker Parts List

Speaker Parts Location & Schematic Diagram