Sony CX-LEM550 / XR-EM550 Service Manual ▷ View online
9
CX-LEM550
3-2. TOP PANEL ASSY
1
claw
3
5
connector
(S820)
(S820)
4
wire (flat type) (27 core)
(CN305)
(CN305)
2
claw
6
top panel assy
1
wire (flat type) (24 core)
(CN302)
(CN302)
qd
flont panel assy
2
wire (flat type) (16 core)
(CN303)
(CN303)
q;
wire (flat type) (11 core)
6
two screws
(BVTP3
(BVTP3
×
10)
qa
screw
(BVTP4
(BVTP4
×
8)
9
7
8
5
connector
(CN301)
(CN301)
4
connector
(CN501A)
(CN501A)
3
connector
(CN501B)
(CN501B)
qs
harness
3-3. FRONT PANEL ASSY
10
CX-LEM550
3-4. BASE UNIT (BU-K7BD81B)
3-5. TAPE CASSETTE MECHANISM DECK
1
three screws
(BTP2.6
(BTP2.6
×
8)
3
wire (flat type) (27core)
(CN201)
(CN201)
2
CD cover
6
two screws
7
two washers
4
two screws
5
two washers
8
base unit
(BU-K7BD81B)
(BU-K7BD81B)
2
four screws
(BVTP3
(BVTP3
×
10)
3
two harness
4
plate (shield cassette)
5
tape cassette mechanism deck
(CMAL1Z240A)
(CMAL1Z240A)
1
wire (flat type) (7 core)
11
CX-LEM550
3-6. MAIN BOARD
3-7. AMP BOARD
4
screw
(BVTP3
(BVTP3
×
10)
8
MAIN board
7
tuner (FM/AM)
1
connector (CN307)
2
connector (CN308)
3
connector (CN903)
5
6
Remove the solder.
3
two screws
(BVTP3
(BVTP3
×
14)
2
connector
(CN308)
(CN308)
4
AMP board
1
connector
(CN307)
(CN307)
12
CX-LEM550
SECTION 4
TEST MODE
COLD RESET
•
The cold reset clears all data including preset data stored in
the RAM to initial conditions. Execute this mode when
returning the set to the customer.
the RAM to initial conditions. Execute this mode when
returning the set to the customer.
Procedure:
1. Press the ?/1 button to turn the power on.
2. While pressing the x button, press the ?/1 button and turn
2. While pressing the x button, press the ?/1 button and turn
the [VOLUME] knob in the counter-clock wise.
3. The message “RESET” is displayed and the set is reset.
PANEL TEST
•
All segments of liquid crystal display are tested, and the version
and released date of the micro computer are displayed.
and released date of the micro computer are displayed.
Procedure:
1. Press the ?/1 button to turn the power on.
2. While pressing the [DISPLAY] button, press the ?/1 button
2. While pressing the [DISPLAY] button, press the ?/1 button
and turn the [VOLUME] knob in the counter-clock wise.
Then all segments of liquid crystal display are turned on.
Then all segments of liquid crystal display are turned on.
3. Press the [i-BASS] button, the version and released date of the
micro computer are displayed.
example of display:
0116 V202
4. Press the [BASS/TREBLE] button, the model name and
distination are displayed.
example of display:
A20 CE2
5. To exit from this mode, perform the “COLD RESET”.
TUNER STEP CHANGE-OVER
(EXCEPT FOR AEP, UK MODEL)
(EXCEPT FOR AEP, UK MODEL)
•
Either the 9 kHz step or 10 kHz step can be selected for the
AM channel step.
AM channel step.
Procedure:
1. Set the FUNCTION to AM, and press the ?/1 button to turn
the power off.
2. While depressing the [TUNING + ] button, press the
?/1 button.
3. The message “9K STEP” or “10K STEP” is displayed on the
liquid crystal display, and thus the channel step is changed
over.
over.
M >
Version of micro computer
(In this case, version 202)
(In this case, version 202)
released date of micro computer
(In this case, released of January 16)
(In this case, released of January 16)
distination
(In this case, UK model)
(In this case, UK model)
model name
(In this case, CX-LEM550)
(In this case, CX-LEM550)
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