Sony DAV-DZ290K / DAV-DZ295K / DAV-DZ390K / DAV-DZ590K / DAV-DZ690K / DAV-DZ790K / HCD-DZ295K / HCD-DZ390K / HCD-DZ590K / HCD-DZ690K / HCD-DZ790K Service Manual ▷ View online
HCD-DZ290K/DZ295K/DZ390K/DZ590K/DZ690K/DZ790K
29
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 [
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
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. Confi rm that both LEDs of the DMPORT confi rmation JIG
lights. (Confi rmation the power supply line.)
4. Set the [FUNCTION] button with “DMPORT” on this model.
5. Press three buttons [
5. Press three buttons [
x
], [
N
] and [FUNCTION] simultane-
ously, the DMPORT test mode is activated.
6. It is confi rmed that “DMPORT OK” is displayed on this set
display. (Confi rmation of communication line)
7. To a pin jack of the DMPORT confi 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.)
ite video signal (white 100% 1.0Vp-p, color bar, etc.)
8. Confi rm the output of speakers and monitor TV. (Confi 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. 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.
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 USAFETY
MEASURE: AMP measurement mode
SAFETY:
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 UVOL M/M
VOL N:
Turn the [VOLUME] control, the display is
change in succession (MIN y MAX)
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”.
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
VIDEO
AUDIO
HCD-DZ290K/DZ295K/DZ390K/DZ590K/DZ690K/DZ790K
30
12. PROTECTION FACTOR (SD DETECTION/
DC DETECTION) IDENTIFICATION TEST MODE
When an error is detected, the FL tube alternately displays
“PROTECTOR h PUSH POWER”.
“PROTECTOR h PUSH POWER”.
r
Press the [
?/1
] button.
* Buttons other than the [
?/1
] button are invalid.
“STANDBY” blinks three times on the FL tube.
r
r
The protection release state (POWER OFF) is established.
(No FL tube display)
r Press the [
(No FL tube display)
r Press the [
?/1
] button two times.
The power to the system turns on, and the normal operation is
established. (Restore)
established. (Restore)
During the protection state:
1. If the AC plug is connected or disconnected during the
1. If the AC plug is connected or disconnected during the
protection state, the protection state is released, and the
normal operation is established. (The protection state is not
maintained.)
normal operation is established. (The protection state is not
maintained.)
2. The protection factor is displayed by pressing the [RETURN]
t [3] t [2] t [0] t [0] t [ANGLE] buttons of the
remote commander.
(during the “PROTECTOR h PUSH POWER” display).
k When SD is detected: Repeats
“SD
DETECT
h PROTECTOR”.
k When DC is detected: Repeats
“DC
DETECT
h PROTECTOR”.
PL: SD detection
When the “L” output from the SD (shutdown) port on the
S-MASTER POWER Driver Shutdown and voltage descent
(15V or less) of 30V power supply (PVDD) are detected.
S-MASTER POWER Driver Shutdown and voltage descent
(15V or less) of 30V power supply (PVDD) are detected.
DC
detection
When the “L” output from the power/speaker error detection
circuit (DC detection port) is detected for two seconds
continually, the power system other than that of the FL tube
is turned off, and the protection state is established.
circuit (DC detection port) is detected for two seconds
continually, the power system other than that of the FL tube
is turned off, and the protection state is established.
HCD-DZ290K/DZ295K/DZ390K/DZ590K/DZ690K/DZ790K
31
SECTION 5
ELECTRICAL ADJUSTMENTS
When the optical pick-up assy is replaced, perform the
“EXECUTING IOP MEASUREMENT”.
“EXECUTING IOP MEASUREMENT”.
EXECUTING IOP MEASUREMENT (See page 26)
[FM Tune Level Check]
Procedure:
1. Turn the power on.
2. Input the following signal from Signal Generator to FM
1. Turn the power on.
2. Input the following signal from Signal Generator to FM
antenna input directly.
* Carrier Freq : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation : 75 kHz
Modulation : 1 kHz
ANT input : 35 dBu (EMF)
Note: Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
3. Set to FM tuner function and tune A, B and C signals.
4. Confi rm “TUNED” is lit on the display for A, B and C
4. Confi rm “TUNED” is lit on the display for A, B and C
signals.
The mark of “TUNED” means “The selected station signal is
received in good condition.”
received in good condition.”
generator
OUT (75
Ω)
SET
FM ANTENNA
DVD SECTION
TUNER SECTION
HCD-DZ290K/DZ295K/DZ390K/DZ590K/DZ690K/DZ790K
32
MEMO
Click on the first or last page to see other DAV-DZ290K / DAV-DZ295K / DAV-DZ390K / DAV-DZ590K / DAV-DZ690K / DAV-DZ790K / HCD-DZ295K / HCD-DZ390K / HCD-DZ590K / HCD-DZ690K / HCD-DZ790K service manuals if exist.