Contents
Audio Power Specifications US model
Specifications
925-536-12
NEW
Assembly of Mechanism Deck
Table of Contents General
Electrical Adjustments
Diagrams
Section General
XR-C450
XR-C450 E, Saudi Arabia
XR-C440/XR-C450 E, Saudi Arabia
XR-C450 US, Canadian
Page
XR-C440
Page
XR-C450
Saudi Arabia model
US, Canadian model Saudi Arabia model
Section Disassembly
Front Panel ASS’Y
Cover ASS’Y
Main BOARD, Heat Sink
SUB PANEL, Mechanism Deck
Section Assembly of Mechanism Deck
Housing
ARM Suction
Lever LDG-A / LDG-B
Gear LDG-FT
Guide C
Section Electrical Adjustments
Section Mechanical Adjustments
Torque Measurement Mode Torqu Meter Meter Reading
Tape Tension Measurement Mode Torqu Meter Meter Reading
Dolby Level Adjustment
Tape Speed Adjustment
FM Auto Scan/Stop Level Adjustment
DB=0.775
FM Noise Focus Adjustment
AM MW Auto Scan/Stop Level Adjustment
FM Stereo Separation Adjustment
Main Board Conductor Side
Adjustment Location
Page
Page
Page
Page
BU2624F-E2
IC Block Diagrams
IC361
IC651
IC671 BA3918-V2
IC301 CXA2510AQ-T4 IC701 BA8270F-E2
ΜPD78058GC-913-3B9 System Control
IC PIN Function Description
Pin No Pin Name Function
Section Exploded Views
Cord with Connector
Chassis Section
3309-720-A Main BOARD, Complete
LCD901 1-801-587-11 Display PANEL, Liquid Crystal
Front Panel Section XR-C440
118
Front Panel Section XR-C450
M901 A-3291-665-A Motor ASSY, Main CAPSTAN/ Reel
Mechanism Deck Section MG-25C-136
Section Electrical Parts List KEY
SWITCH, KEY Board with LED Mute
SWITCH, KEY Board with LED +
SWITCH, KEY Board with LED Dspl
SWITCH, KEY Board with LED BTM
Metal Glaze
KEY Main
Main BOARD, Complete
Elect
Ref. No Description Remark C19 126-157-11
PLUG, Connector 12P
PIN, Connector 16P
Conposition Circuit Block CP1
GAP, Discharge Diode
MM1322XFBE
IC1
RN5VD23AA-TL
Jack Remote
Carbon
SWITCH, Slide Power Select
RES, ADJ, Carbon 1.0K Switch
SWITCH, Slide Frequency Select
RES, ADJ, Carbon 1.0K
Parts for Installation and Connections
Accessories & Packing Materials
Vibrator
Miscellaneous
Revision History
