Contents
NEW
Specifications
Audio Power Specifications US model
925-536-12
Diagrams
Table of Contents General
Assembly of Mechanism Deck
Electrical Adjustments
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
Tape Tension Measurement Mode Torqu Meter Meter Reading
Section Mechanical Adjustments
Section Electrical Adjustments
Torque Measurement Mode Torqu Meter Meter Reading
DB=0.775
Tape Speed Adjustment
Dolby Level Adjustment
FM Auto Scan/Stop Level Adjustment
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
IC651
IC Block Diagrams
BU2624F-E2
IC361
IC671 BA3918-V2
IC301 CXA2510AQ-T4 IC701 BA8270F-E2
ΜPD78058GC-913-3B9 System Control
IC PIN Function Description
Pin No Pin Name Function
3309-720-A Main BOARD, Complete
Cord with Connector
Section Exploded Views
Chassis Section
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 BTM
SWITCH, KEY Board with LED +
SWITCH, KEY Board with LED Mute
SWITCH, KEY Board with LED Dspl
Elect
KEY Main
Metal Glaze
Main BOARD, Complete
Ref. No Description Remark C19 126-157-11
GAP, Discharge Diode
PIN, Connector 16P
PLUG, Connector 12P
Conposition Circuit Block CP1
Jack Remote
IC1
MM1322XFBE
RN5VD23AA-TL
Carbon
RES, ADJ, Carbon 1.0K
RES, ADJ, Carbon 1.0K Switch
SWITCH, Slide Power Select
SWITCH, Slide Frequency Select
Miscellaneous
Accessories & Packing Materials
Parts for Installation and Connections
Vibrator
Revision History
