MICROFILM
XR-5790R/5800R
AEP Model
UK Model
SERVICE MANUAL
FM/MW/LW CASSETTE CAR STEREO
SPECIFICATIONS
Model Name Using Similar Mechanism
NEW
Tape Transport Mechanism Type
MG-25G-136
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol
a are trade-
marks of Dolby Laboratories Licensing Corporation.
Photo: XR-5800R
2
TABLE OF CONTENTS
1.
GENERAL
Location of Controls (XR-5790R) .................................. 3
Location of Controls (XR-5800R) .................................. 3
Setting the Clock ............................................................. 4
Using the Rotary Commander ........................................ 4
Installation ....................................................................... 5
Connection ...................................................................... 6
Connection Diagram ....................................................... 8
2.
DISASSEMBLY ......................................................... 9
3.
ASSEMBLY OF MECHANISM DECK ........... 11
4.
MECHANICAL ADJUSTMENTS ....................... 14
5.
ELECTRICAL ADJUSTMENTS
Test Mode ........................................................................ 14
Tape Deck Section .......................................................... 14
Tuner Section .................................................................. 15
6.
DIAGRAMS
6-1. Printed Wiring Boards Main Section ....................... 22
6-2. Schematic Diagram Main Section ............................ 25
6-3. Printed Wiring Board Panel Section (XR-5790R) .. 30
6-4. Schematic Diagram Panel Section (XR-5790R) ..... 32
6-5. Printed Wiring Board Panel Section (XR-5800R) .. 35
6-6. Schematic Diagram Panel Section (XR-5800R) ..... 37
6-7. IC Pin Function Description ........................................... 39
7.
EXPLODED VIEWS ................................................ 42
8.
ELECTRICAL PARTS LIST ............................... 46
Flexible Circuit Board Repairing
· Keep the temperature of the soldering iron around 270 °C dur-
ing repairing.
· Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
· Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on chip component replacement
· Never reuse a disconnected chip component.
· Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
3
SECTION 1
GENERAL
This section is extracted from
instruction manual.
(XR-5790R)
(XR-5800R)
4
5