DOWNLOAD Sony XM-7527 Service Manual ↓ Size: 1.64 MB | Pages: 22 in PDF or view online for FREE

Model
XM-7527
Pages
22
Size
1.64 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xm-7527.pdf
Date
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Sony XM-7527 Service Manual ▷ View online

1
MICROFILM
XM-7527
US Model
Canadian Model
AEP Model
UK Model
E Model
SPECIFICATIONS
SERVICE MANUAL
STEREO POWER AMPLIFIER
2
TABLE OF CONTENTS
1. SERVICE MODE
............................................................. 3
2. GENERAL
.......................................................................... 4
3. DISASSEMBLY
3-1. Side Plate and Bottom Plate .................................................. 7
3-2. Amplifier/Power Board and LED Board .............................. 7
4. ELECTRICAL ADJUSTMENT
.................................... 8
5. DIAGRAMS
5-1. Block Diagram – Amplifier Section – .................................. 9
5-2. Block Diagram – Power Section – ...................................... 10
5-3. IC Block Diagram ............................................................... 11
5-4. Printed Wiring Board – Filter/Amplifier Section – ............. 12
5-5. Schematic Diagram – Filter/Amplifier Section – ............... 13
5-6. Printed Wiring Board – Power Section – ............................ 14
5-7. Schematic Diagram/Printed Wiring Board
– LED/Power Section – ...................................................... 15
6. EXPLODED VIEWS
6-1. Plate and Cover Section ...................................................... 16
6-2. Board and Heat Sink Section .............................................. 16
7. ELECTRICAL PARTS LIST
........................................ 17
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
 damaged by heat.
3
SECTION 1
SERVICE NOTE
Clearing the Protector During Repairs
• OVER CURRENT  : Detects overcurrent during output.
• OFF SET  : Detects DC offset at the speaker terminal.
1. Clearing the  OVER CURRENT  protector
1 When the position of the  MODE  switch (S801/power board)
is set to  HI-VOLTAGE  :
Cut the jumper wire JW065 of the amplifier board.
2 When the position of the  MODE  switch (S801/power board)
is set to  HI-CURRENT  :
Cut the jumper wire JW066 of the amplifier board.
2. Clearing the  OFF SET  protector
• Cut the jumper wire JW024 of the amplifier board.
3.   TEST TONE   Function
1 Press the  TEST TONE  button (S805/amplifier board) with the
power ON. The amplifier is normal if sound is produced from
the speaker.
2 If no sound
  : Problem causer by incorrect connecttion of the power supply
system or sperker system.
  : The signals input by the RCA cable before the amplifier system
are abnormal.
Adjustment Location:
VR201
VR101
JW066
JW065
JW024
S805
TEST TONE
- POWER BOARD - (Component side)
- AMPLIFIER BOARD - (Component side)
S801
MODE
4
SECTION 2
GENERAL
This section is extracted from
instruction manual.
Page of 22
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Sony XM-7527 Service Manual ▷ Download

  • DOWNLOAD Sony XM-7527 Service Manual ↓ Size: 1.64 MB | Pages: 22 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony XM-7527 in PDF for free, which will help you to disassemble, recover, fix and repair Sony XM-7527 Car Audio. Information contained in Sony XM-7527 Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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