Sony CMT-SX2D / HCD-SX2D Service Manual ▷ View online
17
HCD-SX2D
4
panel cass (cassette)
1
2
3
two claws
3-14. PANEL CASS (CASSETTE)
Ver. 1.1
18
HCD-SX2D
SECTION 4
TEST MODE
COLD RESET
•
The cold reset clears all data including preset data stored in
the RAM to initial conditions. Execute this mode when
returning the set to the customers.
the RAM to initial conditions. Execute this mode when
returning the set to the customers.
Procedure:
1. Press the ?/1 button to turn the set ON.
2. Press three buttons x , [PLAY MODE] and DVD u simul-
2. Press three buttons x , [PLAY MODE] and DVD u simul-
taneously.
3. The message “COLD RESET” is displayed and the set is reset.
TUNER STEP CHANGE
•
A step of AM channels can be changed over between 9 kHz
and 10 kHz.
and 10 kHz.
Procedure:
1. Press the ?/1 button to turn the set ON.
2. Select the function “TUNER”, and press [TUNER/BAND]
2. Select the function “TUNER”, and press [TUNER/BAND]
button to select the BAND “AM”.
3. Press the ?/1 button to turn the set OFF.
4. Press the x and [TUNER/BAND] buttons simultaneously,
4. Press the x and [TUNER/BAND] buttons simultaneously,
and thus the channel step is changed over.
SHIP RESET
Procedure:
1. Press the ?/1 button to turn the set ON.
2. Press the DVD u button to select “DVD”
3. Remove the disc.
4. The message “NO DISC” is displayed.
5. Press three buttons x , [PLAY MODE] and TAPE N si-
2. Press the DVD u button to select “DVD”
3. Remove the disc.
4. The message “NO DISC” is displayed.
5. Press three buttons x , [PLAY MODE] and TAPE N si-
multaneously.
6. The message “SHIP RESET” is displayed and the set is reset.
The DVD function is activated.
7. To exit from this mode, press the ?/1 button and pull out the
AC plug.
DISC TRAY LOCK
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Procedure :
disc in the store is equipped.
Procedure :
1. Press the ?/1 button to turn the set ON.
2. Press the DVD u button to select “DVD”
3. Set disc on the tray, press the x button and the Z button
2. Press the DVD u button to select “DVD”
3. Set disc on the tray, press the x button and the Z button
simultaneously for five seconds.
4. The message “LOCKED” is displayed the tray is locked.
5. To release from this mode, press the x button and the Z
5. To release from this mode, press the x button and the Z
button simultaneously for five seconds again.
6. The message “UNLOCKED” is displayed and the tray is
unlocked.
Note:
When “LOCKED” is displayed, the slot lock is not released by
turning power on/off with the ?/1 button.
turning power on/off with the ?/1 button.
PANEL TEST MODE
•
This mode is used to check the software version, FL, LED
and KEY.
and KEY.
Procedure:
1. Press the ?/1 button to turn the set ON.
2. Press the DVD u button to select “DVD”
3. Press three buttons x , [PRESET EQ] and TAPE N simul-
2. Press the DVD u button to select “DVD”
3. Press three buttons x , [PRESET EQ] and TAPE N simul-
taneously.
4. When the panel test mode is activated, all segments are turned
on.
VERSION DISPLAY
•
This mode is used check the model, destination, software
version.
version.
Procedure:
1. Press the ?/1 button to turn the set ON.
2. Press the DVD u button to select “DVD”
3. Press three buttons x , [PRESET EQ] and [TV] simultaneous-
2. Press the DVD u button to select “DVD”
3. Press three buttons x , [PRESET EQ] and [TV] simultaneous-
ly, the model and destination are displayed.
DVD COLOR SYSTEM CHANGE OVER
•
The color system can be changed over NTSC or PAL.
Procedure:
1. Press the ?/1 button to turn the set ON.
2. Set the function to “DVD”.
3. Press the ?/1 button to turn the set OFF.
4. Press the x button and ?/1 button simultaneously. The set
2. Set the function to “DVD”.
3. Press the ?/1 button to turn the set OFF.
4. Press the x button and ?/1 button simultaneously. The set
will power on automatically.
5. The message “COLOR PAL” or “COLOR NTSC” will be
displayed on the fluorescent indicator tube. The color system
is changed over.
is changed over.
CD Repeat 5 Times Limit Release Mode
Procedure:
1. Press the ?/1 button to turn the set ON.
2. Set the function to “DVD”.
3. Press three buttons x , Z , and DVD u simultaneously.
4. The repeat all mark blinks and then repeat 5 times limit is
2. Set the function to “DVD”.
3. Press three buttons x , Z , and DVD u simultaneously.
4. The repeat all mark blinks and then repeat 5 times limit is
released.
Note 1:
Regarding the notification symbol “R”
Because the number of the operating buttons of this product are
limited, some operations require use of the operating buttons of
the remote commander. When a specific operation requires use
of the operating buttons of the remote commander, “R” is added
to the specific operating procedure in this manual. Example
MENU/NO “R” The MENU/NO button of remote commander.
Because the number of the operating buttons of this product are
limited, some operations require use of the operating buttons of
the remote commander. When a specific operation requires use
of the operating buttons of the remote commander, “R” is added
to the specific operating procedure in this manual. Example
MENU/NO “R” The MENU/NO button of remote commander.
Note 2:
Incorrect operations may be performed if the test mode is not
entered properly.
In this case, press the ?/1 button to turn the power off, and
retry to enter the test mode.
entered properly.
In this case, press the ?/1 button to turn the power off, and
retry to enter the test mode.
19
HCD-SX2D
SECTION 5
MECHANICAL ADJUSTMENTS
2.94 – 7.84 mN • m
(31 to 71 g • cm)
(0.43 – 0.98 oz • inch)
0.15 – 0.59 mN • m
(2 to 6 g • cm)
(0.02 – 0.08 oz • inch)
2.94 – 7.84 mN • m
(30 to 79 g • cm)
(0.42 – 1.11 oz • inch)
0.15 – 0.59 mN • m
(2 to 6 g • cm)
(0.03 – 0.08 oz • inch)
6.86 – 17.64 mN • m
(71 to 143 g • cm)
(0.98 – 2.49 oz • inch)
9.8 mN • m or more
(100 g • cm or more)
(1.4 oz • inch or more)
9.8 mN • m or more
(100 g • cm or more)
(1.4 oz • inch or more)
CQ-102C
CQ-102C
CQ-102RC
CQ-102RC
CQ-201B
CQ-403A
CQ-403R
Precaution
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads
pinch rollers
erase head
rubber belts
capstan
idlers
2. Demagnetize the record/playback head with a head demag-
netizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to
4. After the adjustments, apply suitable locking compound to
the parts adjusted.
5. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
Torque Measurement
Mode
FWD
FWD
back tension
REV
REV
back tension
FF/REW
FWD tension
REV tension
Torque meter
Meter reading
SECTION 6
ELECTRICAL ADJUSTMENTS
[Record/Playback Head Azimuth Adjustment]
Procedure:
1. Mode : Playback
2. Turn the adjustment screw and check output peaks. If the peaks
do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1 dB of peak.
so that outputs match within 1 dB of peak.
test tape
P-4-A100
(10kHz, –10dB)
P-4-A100
(10kHz, –10dB)
MAIN board
JK102
speaker terminal
JK102
speaker terminal
level meter
set
+
–
L-CH
peak
peak
R-CH
peak
peak
screw
position
position
output
level
level
within
1 dB
1 dB
L-CH
peak
peak
R-CH
peak
peak
screw
position
position
within 1dB
DECK SECTION 0 dB=0.775V
1. Demagnetize the record/playback head with a head
demagnetizer.
2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to
3. After the adjustments, apply suitable locking compound to
the parts adjusted.
4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
5. The adjustments should be performed in the order given in
this service manual. (As a general rule, playback circuit
adjustment should be completed before performing recording
circuit adjustment.)
adjustment should be completed before performing recording
circuit adjustment.)
6. The adjustments should be performed for both L-CH and R-
CH.
7. Switches and controls should be set as follows unless otherwise
specified.
Signal
Used for
Tape
P-4-A100
WS-48B
10 kHz, –10 dB
3 kHz, 0 dB
Azimuth Adjustment
Tape Speed Adjustment
20
HCD-SX2D
4. After the adjustments, apply suitable locking compound to
the parts adjusted.
Adjustment Location: Record/Playback/Erase Head
3. Mode: Playback
test tape
P-4-A100
(10kHz, –10dB)
P-4-A100
(10kHz, –10dB)
oscilloscope
set
Waveform of oscilloscope
in phase
45
°
90
°
135
°
180
°
good
wrong
MAIN board
JK102
speaker terminal
JK102
speaker terminal
L
R
DVD SECTION
[RF Level Check]
Check the RF level when optical pick-up block is replaced.
Connection:
Procedure:
1. Connect an oscilloscope to CN7 pin 8 (V-RF) and CN7 pin
wf
(GND) on the MPEG board.
2. Turn the power on.
3. Set the test disc on the tray and press DVDu button to
3. Set the test disc on the tray and press DVDu button to
playback.
4. Observe the waveform of the oscilloscope, and check that the
RF level is satisfied to specified value.
[Test Disc List and Specified Value]
Use the following test disc on adjustment.
Note:
Do not use existing test disc for DVD.
Checking Location: MPEG board (Side A)
+
–
–
MPEG board
oscilloscope
CN7 pin
8
(V-RF)
CN7 pin
wf
(GND)
[Tape Speed Check]
Procedure:
1. Turn the power on.
2. Insert the WS-48B into deck.
3. Press the TAPE N button of deck.
4. Check the reading of frequency counter becomes 3000
2. Insert the WS-48B into deck.
3. Press the TAPE N button of deck.
4. Check the reading of frequency counter becomes 3000
± 90
Hz.
Sample Value of Wow and flutter
W.RMS (JIS) less than 0.3%
(test tape: WS-48B)
(test tape: WS-48B)
TEST DISC
Specified Value
CD
YEDS-18 (Part No.: 3-702-101-01)
0.57 to 1.1 Vp-p
PATD-012 (Part No.: 4-225-203-01)
DVD SL (Single Layer)
NTSC : HLX-503 (Part No.: J-6090-069-A)
HLX-504 (Part No.: J-6090-088-A)
PAL : HLX-506 (Part No.: J-6090-077-A)
0.58 to 1.23 Vp-p
DVD DL (Dual Layer)
NTSC : HLX-501 (Part No.: J-6090-071-A)
HLX-505 (Part No.: J-6090-089-A)
PAL : HLX-507 (Part No.: J-6090-078-A)
U2
IC7
IC4
IC6
24
23
1
2
CN7 Pin
wf
(GND)
CN7 Pin
8
(V-RF)
CN7
— MPEG Board (SIDE A) —
Note: Refer to “3-14. PANEL CASS (CASSETTE)” (see page 17)
adjustment screw
Ver. 1.1
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