Aiwa XR-M78 User Manual

BASIC CD MECHANISM : KSM-213CDM
COMPACT DISC STEREO
SYSTEM
XR-M78
XR-M77
S/M Code No. 09-995-331-7R2
EZ
K
SERVICE MANUAL
REVISION
DATA
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-995-331-7T2).

Aiwa XR-M78 Specifications

General

Type	Mini Hi-Fi System
CD Player	Yes
Tuner	FM/AM
Equalizer	Yes
Remote Control	Yes
Power Output	100W (50W x 2)
Cassette Deck	Yes
Frequency Response	20 Hz - 20 kHz
Output Power	100W (50W x 2)

Summary

SPECIFICATIONS

Unit and System Specifications

Details for main unit, speaker system, general, and power specifications.

ACCESSORIES/PACKAGE LIST

LASER SAFETY PRECAUTIONS

Optical Block Replacement Caution

Guideline for handling the optical block to prevent damage.

ELECTRICAL MAIN PARTS LIST

TRANSISTOR ILLUSTRATION

FL GRID ASSIGNMENT/ANODE CONNECTION

BLOCK DIAGRAM-1

BLOCK DIAGRAM-2

WIRING-1 (MAIN: INSERTED PARTS)

WIRING-2 (MAIN: CHIP PARTS)

SCHEMATIC DIAGRAM-1 (MAIN)

WIRING-3 (CD: INSERTED PARTS)

WIRING-4 (CD: CHIP PARTS)

WIRING-5 (FRONT)

SCHEMATIC DIAGRAM-3 (FRONT)

WIRING-6 (TUNER)

SCHEMATIC DIAGRAM-4 (TUNER)

SCHEMATIC DIAGRAM-2 (CD)

WIRING-7 (PT: INSERTED PARTS)

WIRING-8 (PT: CHIP PARTS)

SCHEMATIC DIAGRAM-5 (PT)

WIRING-9 (MECHA)

VOLTAGE CHART

VOLTAGE CHART - CPU SECTION

VOLTAGE CHART - MAIN SECTION

VOLTAGE CHART - POWER TRANSFORMER SECTION

ELECTRICAL ADJUSTMENT

CD SECTION ADJUSTMENT

Adjustment procedure for the CD section, specifically FO adjustment.

TUNER SECTION ADJUSTMENT

PRACTICAL SERVICE FIGURE

IC DESCRIPTIONS

LC876564 IC Details

Detailed pinout and function description for IC LC876564.

LA9241ML IC Details

LC78622ED IC Details

IC BLOCK DIAGRAMS

BU4094BCF IC Diagram

Block diagram and truth table for IC BU4094BCF.

BA3880FS IC Diagram

Block diagram for IC BA3880FS.

BU2092 IC Diagram

Block diagram for IC BU2092.

LA4663 IC Diagram

M62495FP IC Diagram

BA5936 IC Diagram

MECHANICAL PARTS LIST 1/1

MECHANICAL EXPLODED VIEW 1/1

CD MECHANISM EXPLODED VIEW 1/1

CD MECHANISM PARTS LIST 1/1

SPEAKER DISASSEMBLY INSTRUCTIONS

SPEAKER PARTS LIST 1/1