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Sony HCD-FX205 Service Manual

Sony HCD-FX205
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HCD-FX200/FX205
9
SECTION 3
TEST MODE
COLD RESET
The cold reset clears all data including preset data stored in the
memory to initial conditions. Execute this mode when returning
the set to the customer.
Procedure:
1. In the standby status, press the [
?/1
] button to turn the power
on.
2. Press three buttons of [FUNCTION], [
+] and [
?/1
]simulta-
neously.
3. When “RESET” appears, the set enters standby status.
PANEL TEST MODE
Enter The Panel Test Mode
Procedure:
1. In the standby status, press the [
?/1
] button to turn the power
on.
2. Press three buttons of [ENTER], [FUNCTION] and [
?/1
] si-
multaneously.
3. When the panel test mode is activated, segments of the liquid
crystal display are all turned on.
Version Check
Procedure:
1. In the panel test mode (segments of the liquid crystal display
are all turned on), press the [ +] button.
2. On the liquid crystal display, date and version are displayed.
3. Press the [ +] button, and the USB micom version is dis-
played.
4. From this status, press the [
–] button, and the destination
and model name are displayed.
5. To release from this mode, Press three buttons of [ENTER],
[FUNCTION] and [
?/1
] simultaneously.
TUNER STEP CHANGE
(Except AEP, Russian and Saudi Arabia models only)
The AM tuning interval can be changed over 9 kHz or 10 kHz.
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press the [FUNCTION] button to select TUNER (AM) func-
tion.
3. Press the [
?/1
] button again to turn the power off (standby).
4. After pressing the [DISPLAY] button on the remote com-
mander, while pressing the [TUNE +
M L
] button, press
the [
?/1
] button.
5. It turns power on and display “9K STEP” or “10K STEP”, and
thus the tuning interval is changed over.
CD/USB POWER MANAGE
This mode is for switch the CD/USB power supply on/off. Even if
this state pulls out AC plug, it is held.
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press the [FUNCTION] button to select CD function.
3. Press the [
?/1
] button again to turn the power off (standby).
4. After pressing the [DISPLAY] button on the remote com-
mander, while pressing the [
x
] button, press the [
?/1
] button.
5. It turns power on and display “CD/USB”, then display “PWR
ON” or “PWR OFF”.
CD SERVICE MODE
This mode can move the SLED of the optical pick-up, and also can
turn the optical pick-up laser power on and off.
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press the [FUNCTION] button to select CD function.
3. Press three buttons of [DSGX], [TUNE +
M L
] and [
?/1
]
simultaneously.
4. It enters the CD service mode and displays “SERVICE”.
5. To exit from this mode, press three buttons of [DSGX],
[TUNE +
M L
] and [
?/1
] simultaneously.
Key Operation:
[TUNE + M L], [– TUNE l m]:
Use these keys to move the SLED. When [TUNE + M L]
is pressed in this mode, the SLED moves to outer circumfer-
ence and the message “SLED OUT” is displayed.
When [– TUNE l m] is pressed in this mode, the SLED
moves to inner circumference and the message “SLED IN” is
displayed.
[FUNCTION]:
Use this key to turn the optical pick-up laser power on and
off. When the laser power is turned on, the message “LD ON”
is displayed. When the laser power is turned off, the message
“LD OFF” is displayed.
Ver. 1.1
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Sony HCD-FX205 Specifications

General IconGeneral
BrandSony
ModelHCD-FX205
CategoryReceiver
LanguageEnglish

Summary

Servicing Notes

Optical Pick-up Block Handling

Precautions for handling the optical pick-up block and base unit.

Laser Diode Emission Check

Procedure for checking laser diode emission safely.

Laser Diode and Focus Search Check

Method to visually check laser diode emission and focus search.

Disassembly

Rear Panel Block Disassembly

Procedure to disassemble the rear panel section.

Top Panel Block Disassembly

Procedure to disassemble the top panel section.

Front Panel Block Disassembly

Procedure to disassemble the front panel section.

Main Board Removal

Procedure to remove the main board.

Optical Pick-up Block Removal

Procedure to remove the optical pick-up block (DA11MMVGP).

Test Modes

Cold Reset Procedure

Clears all data and resets the unit to initial conditions.

Panel Test Mode

Enters a mode to test all segments of the liquid crystal display.

CD Service Mode

Mode for moving SLED and controlling laser power.

Electrical Checks and Diagrams

Focus Bias Check

Checks focus bias to verify optical pick-up block performance.

Block Diagram: CD, Tuner, USB

Block diagram showing CD, tuner, and USB signal paths.

Block Diagram: Output, Panel, Power Supply

Block diagram of output, panel, and power supply sections.

Schematic Diagram: BD73U Board

Schematic diagram for the BD73U board.

Schematic Diagram: USB Board

Schematic diagram for the USB board.

Schematic Diagram: Main Section (1/2)

First part of the main section schematic diagram.

Schematic Diagram: Main Section (2/2)

Second part of the main section schematic diagram.

Schematic Diagram: Panel Board (1/2)

First part of the panel board schematic diagram.

Schematic Diagram: Panel Board (2/2)

Second part of the panel board schematic diagram.

Schematic Diagram: PT Board (Except E2, E51, EA)

Schematic for the PT board (excluding specific models).

Schematic Diagram: PT-SW Board (E2, E51, EA)

Schematic for the PT-SW board (for specific models).

USB Controller IC101 Pin Functions

Pin function details for the USB controller IC101.

System Controller IC801 Pin Functions

Pin function details for the system controller IC801.

Exploded Views

Overall Section Exploded View

Exploded view of the entire unit, showing all major assemblies.

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