Sony HCD-FZ900KW, Service Manual

Page: 19 / 108

HCD-FZ900KW/FZ900M
19
10. DEMO PLAY MODE OUT
It is a mode to release the demonstration reproduct by the dedicated
demonstration disc.
1. During playback the DEMO Disc, press the [
x
] and [
N
]
buttons for fi ve seconds simultaneously.
2. The message “DEMO OFF” is displayed, a mode to reproduct
the demonstration is released.
11. DMPORT (DIGITAL MEDIA PORT) TEST
1. Connect the DMPORT CHECK JIG (P/N: J-2501-309-A) with
the terminal DMPORT.
2. Press the [
?/1
] button to turn the power on.
3. Con fi rm that both LEDs of the DMPORT con fi rmation JIG
lights. (Con fi rmation the power supply line.)
4. Set the [FUNCTION] button with “DMPORT” on this model.
5. Press three buttons [
x
], [
N
] and [FUNCTION] simultane-
ously, the DMPORT test mode is activated.
6. It is con fi rmed that “DMPORT OK” is displayed on this set
display. (Con fi rmation of communication line)
7. To a pin jack of the DMPORT con fi rmation JIG input informa-
tion relevant to audio signal (sine-wave 1.0Vrms) and compos-
ite video signal (white 100% 1.0Vp-p, color bar, etc.)
8. Con fi rm the output of speakers and monitor TV. (Con fi rmation
of analog signal)
9. To exit from this mode, press three buttons [
x
], [
N
] and
[FUNCTION] simultaneously.
9. AMP TEST MODE
• This mode is used to measurement and test of the AMP con-
nection.
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press three buttons [
x
], [
N
] and [
Z
] simultaneously. When
the this mode, blink to segments (“SA-CD” and “CAT”) on FL
display.
3. Press [DISPLAY] button of the remote commander. When the
this mode is displayed as “MEASURE” on FL display.
Whenever the [DISPLAY] button is pressed, the AMP test
mode changes in the following order.
MEASURE
t
SAFETY
MEASURE: AMP measurement mode
SAFETY:
AMP regulations, temperature, character mode
4. Press [MUTING] button on the remote commander. When the
this mode is displayed as “VOL N” on FL display.
Whenever the [MUTING] button is pressed, the VOL test
mode changes in the following order.
VOL N
t
VOL M/M
VOL N: Turn the [VOLUME] control, the display is
change in succession (MIN
y
MAX)
VOL M/M: Turn the [VOLUME] control in the direction of
(+) is change to “MIN”, turn the direction of (–)
is change to “MAX”.
5. To exit from this mode, press the [
?/1
] button to “COLD
RESET” and turn the power off.
color pattern
generator
DMPORT
CHECK JIG
(P/N: J-2501-309-A)
MAIN
board
TV
SET
CN451
J4001
J001
7
AF oscillator
FL speaker,
FR speaker
IO-COMPONENT
board
SPEAKER
board
TB5301(FZ900KW)
VIDEO
AUDIO
TB5300(FZ900M)