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TABLE OF CONTENTS
RM-AV3000
1. GENERAL ······································································ 3
2. DISASSEMBLY
2-1. Case (lower) ········································································ 8
2-2. SUB Board ········································································· 8
2-3. MAIN Board and LCD Unit ··············································· 9
3. TEST MODE
3-1. EEPROM Check ······························································· 10
3-2. LCD, All Keys and EL Check ·········································· 10
4. DIAGRAMS
4-1. IC Pin Function ································································ 11
4-2. Printed Wiring Board -“ MAIN Board -“ ··························· 12
4-3. Schematic Diagram -“ MAIN Board -“ ······························ 13
4-4. Printed Wiring Board -“ SUB Board -“ ······························ 14
4-5. Schematic Diagram -“ SUB Board -“ ································· 14
5. EXPLODED VIEWS ·················································· 15
6. ELECTRICAL PARTS LIST ··································· 16
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.
Flexible Circuit Board Repairing
-Keep the temperature of soldering iron around 270ËšC
during 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.
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RM-AV3000
SECTION 1
GENERAL
This section is extracted
from instruction manual.
Location and Function
of Controls
1Clock Display key (page 8)
Displays the clock, the transmission
mark, the battery mark and the timer
mark.
2Mode Display key (page 8, 13, 20, 30,
32, 40)
Displays the status of the selected
mode.
Function of the key changes according
to the selected mode.
3LCD touch key display
The keys used for operating each
component and setting the
Commander are displayed.
NoteDo not press the touch keys using sharp
objects such as pins or ball-point pens.
MENU EXIT
COMMANDER
OFF MORE 3 2 1 TV STB VCR DVD CD AMP
OTHER
TIMER LIGHT
MUTING RECALL
CHANNEL VOLUME
SYSTEM CONTROL
OK
2
1
5
7 qk
qh
qg qj8
9
q;
3
4
6
qa
qs
qd
qf
4Label keys (page 8, 13, 20, 23, 30,
32, 40, 79)
The selected modes (up to 8 characters
in each Label key) are displayed.
Labels change in the order from the
first stage to the third stage and come
back to the first, and so on, each time
you press the Mode Display key,
OTHER, MORE, or TIMER button
according to the selected mode.
5Component Select buttons (page 12)
Selects the component to control.
6OTHER button (page 13)
Label keys change in the order from
the first stage to the third stage and
come back to the first, and so on, each
time you press the OTHER button
when the selected component name is
displayed on the Label keys.
7TIMER button (page 68)
Used to set the timer program, and to
set the timer program on or off.
8LIGHT button (page 76)
Used to light up the LCD display in
the dark. Press the button once to turn
on the light, and once again to turn it
off.
9 COMMANDER OFF button
Turns the power of the Commander
off. Then all the display contents are
turned off.
q; CHANNEL +/-“ buttons (page 88, 89,
90, 91)
Select the channel.
qa RECALL button (page 88)
qs VOLUME +/-“ buttons* (page 19, 29)
Adjust the volume.
qd MUTING button* (page 19, 31)
Mutes the audio. Press the button
once again to resume at the previous
volume.
Getting Started
6
