background image
MICROFILM
SERVICE MANUAL
FM/AM CASSETTE CAR STEREO
US Model
Canadian Model
E Model
Model Name Using Similar Mechanism
NEW
Tape Transport Mechanism Type
MG-36SZ9-32
SPECIFICATIONS
XR-1790
­ Continued on next page ­


background image
­ 2 ­
TABLE OF CONTENTS
1.
GENERAL
Location of Controls ....................................................... 3
Setting the Clock ............................................................. 3
Installation ....................................................................... 4
Connections ..................................................................... 6
2.
DISASSEMBLY ......................................................... 8
3.
MECHANICAL ADJUSTMENTS ....................... 12
4.
ELECTRICAL ADJUSTMENTS
Tape Deck Section .......................................................... 12
Tuner Section .................................................................. 13
5.
DIAGRAMS
5-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 16
5-2. Printed Wiring Board ­ MAIN Section ­ ...................... 17
5-3. Schematic Diagram ­ MAIN Section (1/2) ­ ................. 19
5-4. Schematic Diagram ­ MAIN Section (2/2) ­ ................. 21
5-5. Printed Wiring Board ­ PANEL Section ­ .................... 23
5-6. Schematic Diagram ­ PANEL Section ­ ....................... 23
5-7. IC Pin Function Description ........................................... 26
6.
EXPLODED VIEWS ................................................ 28
7.
ELECTRICAL PARTS LIST ............................... 34
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.


background image
­ 3 ­
SECTION 1
GENERAL
This section is extracted from
instruction manual.


background image
­ 4 ­


background image
­ 5 ­