Sony HCD-ECL5 Service Manual ▷ View online
HCD-ECL5
13
2-10. USB BOARD
2-11. LOADER WITH FFC (TDL-5) (CDM1)
3 USB board
– Front panel block rear view –
Wire setting
FRONT board
USB board
– Front panel block rear view –
2 ground plate
1 USB PWB screw
(2.6
u 8)
1 USB PWB screw
(2.6
u 8)
2 loader with FFC (TDL-5)
(CDM1)
– Bottom view –
1 screw
(silver
3
u 8)
1 screw
(silver
3
u 8)
Note: The wire is soldered to the
terminal of the switch.
Be careful so that not cut
or bend the terminal.
HCD-ECL5
14
SECTION 3
TEST MODE
SOFTWARE VERSION
It can confi rm the software version.
It can confi rm the software version.
Procedure:
1. Press the [
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [
Z
] button to open the disc tray.
3. Press the button on the remote commander as following order.
[CLEAR]
→ [
B
]
→ [RETURN]
(Displayed values in the following fi gure are example)
R1755P33
Screen display
MCU version
MPEG version
Model Region
4. The software version display disappears in about 5 seconds,
and it returns to the display of the normal mode.
FACTORY RESET
It can clear all data including preset data stored in the memory to
initial conditions. Execute this mode when returning the this unit
to the customer.
It can clear all data including preset data stored in the memory to
initial conditions. Execute this mode when returning the this unit
to the customer.
Procedure:
1. Press the [
1. Press the [
?
/
1
] button to turn the power on.
2. Press two buttons of the [
x
] and [EQ] simultaneously for fi ve
seconds.
3. The message “RESET OK” is displayed on the fl uorescent in-
dicator tube, then returns to the normal mode.
TRAY LOCK
It can be unable to take sample disc out of disc tray in the shop.
It can be unable to take sample disc out of disc tray in the shop.
Procedure:
1. Press the [
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [
Z
] button to open the disc tray.
3. Set a disc on the disc tray.
4. Press the [
4. Press the [
Z
] button to close the disc tray.
5. Press two buttons of the [
x
] and [
Z
] simultaneously for fi ve
seconds.
6. The message “LOCKED” is displayed on the fluorescent indi-
cator tube and the disc tray is locked.
(Even if pressing the [
Z
] button, the message “LOCKED” is
displayed on the fluorescent indicator tube and the disc tray is
locked)
locked)
Releasing method:
1. Press two buttons of the [
1. Press two buttons of the [
x
] and [
Z
] simultaneously for fi ve
seconds.
2. The message “UNLOCKED” is displayed on the fluorescent
indicator tube and the disc tray is unlocked.
CHILD LOCK
It can lock except for the [
It can lock except for the [
?
/
1
] button of a main unit to prevent
from being operated by mistake.
Procedure:
1. Press the [
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [
x
] button for fi ve seconds.
3. The message “LOCK ON” is displayed on the fl uorescent indi-
cator tube and the except for the [
?
/
1
] button is locked.
(Even if pressing except for the [
?
/
1
] button, the message
“LOCK ON” is displayed on the fl uorescent indicator tube and
the operation is locked)
the operation is locked)
Releasing method:
1. Press the [
1. Press the [
x
] button for fi ve seconds.
2. The message “LOCK OFF” is displayed on the fl uorescent in-
dicator tube and the all buttons are unlocked.
Note: This mode is not released even if it unplugs a power cord.
VFD TEST
It can confi rm the fluorescent indicator tube.
It can confi rm the fluorescent indicator tube.
Procedure:
1. Press the [
1. Press the [
?
/
1
] button to turn the power on.
2. Press two buttons of the [
x
] and [ENTER] simultaneously for
fi ve seconds.
3. All segments on the fluorescent indicator tube light up.
Screen display
4. All segments turn off the light in about 3 seconds, and it re-
turns to the display of the normal mode.
HCD-ECL5
HCD-ECL5
15
15
SECTION 4
ELECTRICAL CHECK
CD SECTION
Note:
1. CD block is basically constructed to operate without adjustment.
2. Use YEDS-18 disc (Part No. 3-702-101-01) unless otherwise indicat-
1. CD block is basically constructed to operate without adjustment.
2. Use YEDS-18 disc (Part No. 3-702-101-01) unless otherwise indicat-
ed.
3. Use an oscilloscope with more than 10 M
impedance.
4. Clean the object lens by an applicator with neutral detergent when the
signal level is low than specifi ed value with the following check.
RF SIGNAL CHECK
+
–
–
MAIN board
TP27 (PUHRF)
TP31 (VREF1)
oscilloscope
(DC range)
Procedure:
1. Connect the oscilloscope to TP27 (PUHRF) and TP31
1. Connect the oscilloscope to TP27 (PUHRF) and TP31
(VREF1) on the MAIN board.
2. Press the [
?
/
1
] button to turn the power on.
3. Press the [FUNCTION] button to turn the CD function.
4. Press the [
4. Press the [
Z
] button to open the disc tray.
5. Set the disc (YEDS-18) on the disc tray.
6. Press the [
6. Press the [
Z
] button to close the disc tray.
7. Press the [
u
] button to playback.
8. Confi rm that oscilloscope waveform is as shown in the fi gure
below. (eye pattern)
A good eye pattern means that the diamond shape (
) in the
center of the waveform can be clearly distinguished.
VOLT/DIV: 200 mV
TIME/DIV: 400 ns
level: 1.2 ± 0.2 Vp-p
Connection Location:
TP31
(VREF1)
TP27
(PUHRF)
– MAIN Board (Conductor Side) –
TP31
(VREF1)
TP27
(PUHRF)
HCD-ECL5
HCD-ECL5
16
16
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
SDRAM
64M(Byte)
FLASH
2M(Byte)
LOADER
TDL-5+IM OPU
Moto driver IC
AM5890
AUDIO
SW IC
74HC4052
CP 2.0C
I2C
VFD
Audio IN
FM/AM
I2C
SPI
IR
ADC
data
Over
USB
Ipod
Lightning
USB
MCU
STM8S003K3
IR
RTC
KEY
Power KEY
I2C
USB S/W
*0
I/O
UART
+
-
+
-
INT
USB
protect
5V
SPI
I2C
AUDIO
PROCESSOR
AMP
PWM
60W*2 THD+N30%
BTL
I2S
VOLUME
2*I/O
OP
MPEG Decoder
SPHE8104WW(CD)
or
SPHE8202W(DVD)
Power derating
CVBS
Model with Dock
DVD Model
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