XR-4790, XR-4800, XR-7850 (serv.man2) - Sony Car Audio Service Manual (repair manual)

xr-4790, xr-4800, xr-7850 (serv.man2) service manual
Model
XR-4790 XR-4800 XR-7850 (serv.man2)
Pages
33
Size
1 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xr-4790-xr-4800-xr-7850-sm2.pdf
Date

Read Sony XR-4790 / XR-4800 / XR-7850 (serv.man2) Service Manual online

MICROFILM
SERVICE MANUAL
FM/MW/LW CASSETTE CAR STEREO
AEP Model
UK Model
Model Name Using Similar Mechanism
NEW
Tape Transport Mechanism Type
MG-25G-136
SPECIFICATIONS
XR-4790/4800
Photo: XR-4800
– 2 –
TABLE  OF  CONTENTS
1.
GENERAL
Location of Controls (XR-4790) .................................... 3
Location of Controls (XR-4800) .................................... 4
Installation ....................................................................... 5
Connections ..................................................................... 6
2.
DISASSEMBLY
......................................................... 8
3.
ASSEMBLY  OF  MECHANISM  DECK
........... 10
4.
MECHANICAL  ADJUSTMENTS
....................... 13
5.
ELECTRICAL  ADJUSTMENTS
Test Mode ........................................................................ 13
Tape Deck Section .......................................................... 13
Tuner Section .................................................................. 14
6.
DIAGRAMS
6-1. Printed Wiring Boards –Main Section– .......................... 20
6-2. Schematic Diagram  –Main Section– ............................. 23
6-3. Printed Wiring Board  –Panel Section– (XR-4790) ....... 28
6-4. Schematic Diagram  –Panel Section–  (XR-4790) ......... 31
6-5. Printed Wiring Board  –Panel Section– (XR-4800) ....... 33
6-6. Schematic Diagram  –Panel Section–  (XR-4800) ......... 35
6-7. IC Pin Function Description ........................................... 37
7.
EXPLODED  VIEWS
................................................ 40
8.
ELECTRICAL  PARTS  LIST
............................... 44
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-4790)
– 4 –
(XR-4800)
Page of 33
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Download Sony XR-4790 / XR-4800 / XR-7850 (serv.man2) Service Manual (Repair Manual)

Here you can read online and download Sony XR-4790 / XR-4800 / XR-7850 (serv.man2) Service Manual in PDF. XR-4790 / XR-4800 / XR-7850 (serv.man2) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony XR-4790 / XR-4800 / XR-7850 (serv.man2) Car Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.