Read Sony NWZ-E435F / NWZ-E436F / NWZ-E436FK / NWZ-E438F Service Manual online
NWZ-E435F/E436F/E436FK/E438F
11
SECTION 4
TEST MODE
Note: Information on the test mode must correspond in enough
security. When the leakage has been revealed by any
chance, the source of information is specifi ed.
chance, the source of information is specifi ed.
1. SETTING THE TEST MODE
Note: Perform the test mode in the state of 3.6 V or more in the battery
voltage.
Setting method:
1. Turn the power on.
2. Press the [BACK] key for 1.5 seconds or more, the home menu
1. Turn the power on.
2. Press the [BACK] key for 1.5 seconds or more, the home menu
is displayed.
3. Slide the [HOLD] key to set the hold on.
4. While pressing the [OPTION] key, press the key as following
4. While pressing the [OPTION] key, press the key as following
order.
[
v
]
→ [
u
]
→ [
B
]
→ [
u
]
→ [
V
]
→ [
u
]
→ [
b
]
→ [
u
]
→
[
v
]
→ [
u
]
→ [BACK] → [
u
]
5. Enter the test mode.
Note: The destination setting and sound pressure regulation setting cannot
be executed by this test mode.
2. RELEASING THE TEST MODE
1. Display the major item selection screen.
2. Press the [
1. Display the major item selection screen.
2. Press the [
v
]/[
V
] key to select the “EXIT”, and press the [
B
]
key to select the “SURE?”.
3. Press
the
[
u
] key, TURN the POWER off and release the test
mode.
3. CONFIGURATION OF THE TEST MODE
<>
key
Major item
Major item switching:
<>/<>
key
<#"$,>
key
Minor item
Finish
or
Result
Start
Automatic
V
<>
key
<>
key
#
C
W 7
Minor item switching:
<>/<>
key
W 7
4. OPERATION OF THE TEST MODE
4-1. Power
4-1. Power
liquid crystal display
MPTAPP MENU
POWER
VCHK
AUDIO
ACHK
VIDEO
DSVCHK
OTHER
CHGCHK
CLESTE
BATTCHK
DAC
FM
SHUTDN
EXIT
FM
SHUTDN
EXIT
4-1-1. Power supply voltage check
This mode is used in case power supply voltage in the state where
all power supply lines are starting is checked.
This mode is used in case power supply voltage in the state where
all power supply lines are starting is checked.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] key to select the “POWER”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] key to select the “VCHK”.
4. Press the [
u
] key, all power supply lines are started.
liquid crystal display
VCHK
VDDIO : X.XXXV
VDDA : X.XXXV
VDDD : X.XXXV
In this state, the power supply voltage of each power supply
line can be confi rmed by measuring the voltage.
line can be confi rmed by measuring the voltage.
5. Press the [BACK] key, return to minor item selection screen.
4-1-2. Consumption current (audio playback) check
This mode is used in case consumption current (audio playback)
is checked in the state where “1 kHz 0 dBs L-ch/R-ch VOLUME:
15” audio signal is output.
This mode is used in case consumption current (audio playback)
is checked in the state where “1 kHz 0 dBs L-ch/R-ch VOLUME:
15” audio signal is output.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] key to select the “POWER”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] key to select the “ACHK”.
4. Press the [
u
] key, “1 kHz 0 dBs L-ch/R-ch VOLUME: 15”
audio signal is output.
liquid crystal display
ACHK
1kHz 0dBs L/Rch
HPOUT [ VOL 15 ]
BL ON
5. In this state, each time the [OPTION] key is pressed, LCD
back light on /off switch is performed.
6. Press the [BACK] key, return to minor item selection screen.
Click on the first or last page to see other NWZ-E435F / NWZ-E436F / NWZ-E436FK / NWZ-E438F service manuals if exist.