Sony AIR-RM10 Service Manual ▷ View online
AIR-RM10
2
SECTION 1
SERVICING NOTES
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40 °C higher
• Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
• Strong
viscosity
Unleaded solder is more viscous (sticky, less prone to fl ow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
• Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
also be added to ordinary solder.
NOTE OF REPLACING THE IC403 ON THE MAIN
BOARD
IC403 on the MAIN board cannot exchange with single. When this
part is damaged, exchange the entire mounted board.
BOARD
IC403 on the MAIN board cannot exchange with single. When this
part is damaged, exchange the entire mounted board.
AIR-RM10
3
SECTION 2
DISASSEMBLY
• This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
Note: Follow the disassembly procedure in the numerical order given.
2-2. CABINET (FRONT) BLOCK
Note:
This illustration sees the set from battery case lid side.
SET
2-2. CABINET (FRONT) BLOCK
(Page
(Page
3)
2-3. MAIN
BOARD
(Page
4)
qa cabinet (front) block
8 two claws
9
6 holder (cabinet rear)
1 Set the knob
(battery case lid)
to the lock release
position.
4 two screws
(B1.4)
switch (S401)
knob (ID)
5
7 six screws
3 battery case lid assy
Note: On installation of cabinet (rear) assy,
adjust the position of switch (S401)
and
knob
(ID).
2
8 two claws
q; cabinet (rear) block
AIR-RM10
4
2-3. MAIN BOARD
Note: This illustration sees the front cabinet block from MAIN board side.
4 Remove three solders of
lead
wire
1 two screws
Arrangement of battery terminal
lead wire
black
5 Remove eight solders of
MAIN
board.
Arrangement of lead wire
MAIN board
3 Remove two solders of
batterry terminal lead wire.
red
ditch
ditch
boss
ditch
ditch
6 MAIN board
2 flexible flat cable
(W1)
(CN1)
black
red
ditch
yellow
front cabinet block
AIR-RM10
5
SECTION 3
TEST MODE
FACTORY SETTING
Procedure:
1. Press the [
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press three buttons of the [
N
], [
X
], and [
?/1
] simultaneously.
3. The message “INITIALIZE?” is displayed on the liquid crystal
display, and press the [VOLUME –] button.
4. The main power is turned off, and the data of the built-in data
fl ash memory is initialized.
5. Press the [
?/1
] button to turn the power on.
PANEL TEST MODE
Procedure:
1. Press the [
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press three buttons of the [COUPLING], [PAIRING], and
[
N
] simultaneously.
3. Then all segments of liquid crystal display are turned on. The
display changes in order of the all segments of are turned on
→ test pattern 1 → test pattern 2 → all segments of are turned
on... whenever the [
on... whenever the [
x
] button is pressed.
4. Press the [PRESET –] button, the version of the micro control-
ler is displayed on the liquid crystal display.
5. Press the [
N
] button, the message “Key test 0” is displayed
on the liquid crystal display. When all buttons are pressed, the
message “Key test 13 OK” is displayed on the liquid crystal
display.
message “Key test 13 OK” is displayed on the liquid crystal
display.
6. To exit from this mode, press three buttons of the [COUPLING],
[PAIRING], and [
N
] simultaneously.