DOWNLOAD Sony HCD-GZR5D / MHC-GZR5D Service Manual ↓ Size: 4.05 MB | Pages: 102 in PDF or view online for FREE

Model
HCD-GZR5D MHC-GZR5D
Pages
102
Size
4.05 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-gzr5d-mhc-gzr5d.pdf
Date

Sony HCD-GZR5D / MHC-GZR5D Service Manual ▷ View online

HCD-GZR5D
25
7.  Subtract between these two values.
8.  If the remainder is smaller than 93 (decimal), then it is 
OK. However if the value is higher than 93, then the BU is 
defective and need to be change.
9.  Press [RETURN] button on the remote commander to return 
to previous menu.
10. Press [0] button on the remote commander to return to the 
Top Menu of Remocon Diagnosis Menu.
11. Press [
?/1
] button to turn off the system.
•  Check Emergency History
To check the emergency history, please follow the following 
procedure.
1.  From the Top Menu of Remocon Diagnosis Menu, select “3. 
Emergency History” by pressing the [3] button on the remote 
commander. The following screen appears on the on-screen 
display.
Emg. History Check
1.  01  05  04  04
Laser Hours
CD
999h
59min
DVD
999h
59min
00  92  46  00
00  00  00  00
00  00  23  45
2.  02  02  01  01
00  A9  4B  00
00  00  00  00
00  00  23  45
Next   Next Page    Prev  Prev Page
O  Return to Top Menu
2.  You can check the total time when the laser is turned on 
during playback of DVD and CD from the above menu. The 
maximum time, which can be displayed are 999h 59min.
3.  You can check the error code of latest 10 emergency history 
from the above menu. To view the previous or next page 
of emergency history, press [
.
] or [
>
] on the remote 
commander. The error code consists of
• Error 
Code
Example of Error code
1.  01  05  04  04
00  92  46  00
00  00  00  00
00  00  23  45
 
The meaning of error code is as below:
 
01: Communication error (No reply from syscon)
 
02: Syscon hung up
 
03: Power OFF request when syscon hung up
 19: 
Thermal 
shutdown
 
24: MoveSledHome error
 
25: Mechanical move error (5 Changer)
 
26: Mechanical move stack error
 
30: DC motor adjustment error
 
31: DPD offset adjustment error
 
32: TE balance adjustment error
 
33: TE sensor adjustment error
 
34: TE loop gain adjustment error
 
35: FE loop gain adjustment error
 
36: Bad jitter after adjustment
 
40: Focus NG
 
42: Focus layer jump NG
 
52: Open kick spindle error
 
51: Spindle stop error
 
60: Focus on error
 
61: Seek fail error
 
62: Read Q data/ID error
 
70: Lead in data read fail
 
71: TOC read time out (CD)
 
80: Can’t buffering
 
81: Unknown media type
• 
Parameter of error code
 
This is the detail of error code.
Example of Error code
1.  01  05  04  04
00  92  46  00
00  00  00  00
00  00  23  45
• 
Time of error code
 
This is the laser time when an error occurred.
Example of Error code
1.  01  05  04  04
00  92  46  00
00  00  00  00
00  00  23  45
HCD-GZR5D
26
To clear the Laser Hour
Press [DISPLAY] button and then press [CLEAR] button. The 
data for both CD and DVD data are reset.
Emg. History Check
1.  01  05  04  04
Laser Hours
CD
0h
0min
DVD
0h
0min
00  92  46  00
00  00  00  00
00  00  23  45
2.  02  02  01  01
00  A9  4B  00
00  00  00  00
00  00  23  45
Next   Next Page    Prev  Prev Page
O  Return to Top Menu
To clear the Emergency History
Press [DVD TOP MENU] button and then press [CLEAR] button. 
The error code for all emergency history would be reset.
Emg. History Check
1.  00  00  00  00
Laser Hours
CD
999h
59min
DVD
999h
59min
00  00  00  00
00  00  00  00
00  00  00  00
2.  00  00  00  00
00  00  00  00
00  00  00  00
00  00  00  00
Next   Next Page    Prev  Prev Page
O  Return to Top Menu
To clear the Initialize Setup Data
Press [DVD/TUNER MENU] button and then press [CLEAR] 
button on the remote commander.
Version information
O  Return to Top Menu
Firm (Main) :  Ver. xxxxx
Firm (Sub) :  xxxxx
RISC :   xxxxx
8032 :   xxxxx
Audio DSP :  xxxxx
Servo DSP :  xxxxx
To return to the Top Menu of Remocon Diagnosis Menu
Press [0] button on the remote commander.
•  Check Version Information
 
To check the version information, please follow the following 
procedure.
1.  From the Top Menu of Remocon Diagnosis Menu, select “4. 
Version Information” by pressing the [4] button on the remote 
commander. The following screen appears on the on-screen 
display.
Emg. History Check
Initialize setup data...
Laser Hours
CD
999h
59min
DVD
999h
59min
Next   Next Page    Prev  Prev Page
O  Return to Top Menu
 
To return to the Top Menu of Remocon Diagnosis Menu, 
press [0] on the remote commander.
HCD-GZR5D
27
SECTION  5
MECHANICAL  ADJUSTMENTS
• 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 
demagnetizer. (Do not bring the head magnetizer close to the 
erase head.)
3.  Do not use a magnetized screwdriver for the adjustments.
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
Torque meter
Meter reading
FWD
CQ-102AS
2.0 – 8.0 mN • m
(20 to 80 g • cm)
(0.28 – 1.12 oz • inch)
FWD
back tension
CQ-102C
0.15 – 0.6 mN • m
(1.5 to 6 g • cm)
(0.021 – 0.083 oz • inch)
FF
CQ-201AS
5 – 17.7 mN • m
(50 to 177 g • cm)
(0.7 – 2.48 oz • inch)
REW
CQ-201B
5 –17.7 mN • m
(50 to 177 g • cm)
(0.7 – 2.48 oz • inch)
•  Tape Tension Measurement
Mode
Torque meter
Meter reading
FWD
CQ-403A
more than 80 g
(more than 2.82 oz)
SECTION  6
ELECTRICAL  ADJUSTMENTS
DECK  SECTION
Tape
Signal
Used for
P-4-A063
6.3 kHz, – 10 dB
Azimuth Adjustment
0 dB = 0.775V
1.  Demagnetize the record/playback head with a head 
 demagnetizer.
2.  Do not use a magnetized screwdriver for the adjustments.
• Test Tape
RECORD/PLAYBACK  HEAD  AZIMUTH  ADJUSTMENT
Procedure:
1.  Mode:  Playback
set
JACK board
PHONES jack
(J252)
+
level meter 
test tape
P-4-A063
(6.3 kHz, -10 dB)
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 1dB of peak.
Screw
position
L-CH
peak
within
1dB
Output
level
L-CH
peak
R-CH
peak
within
1dB
Screw
position
R-CH
peak
3.  Mode:  Playback
set
test tape
P-4-A063
(6.3 kHz, -10 dB)
oscilloscope
V
H
waveform of oscilloscope
in phase45
90
135
180
good
wrong
JACK board
PHONES jack
(J252)
4.  After the adjustments, apply suitable locking compound to the 
pats adjusted.
HCD-GZR5D
28
Adjustment Location: Record/Playback/Erase Head
[FM  TUNE  LEVEL  CHECK]
signal
generator
OUTPUT
(75
7)
set
Procedure:
1.  Turn on the set.
2.  Input the following signal from signal generator to FM 
 
antenna input directly.
Carrier frequency: A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation  :  75 kHz
Modulation  :  1 kHz
ANT input  :  35 dBu (EMF)
Note:  Use 75 ohm coaxial cable to connect signal generator and 
the set.
 
You cannot use video cable for checking.
 
Use signal generator 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 sig-
nals.
When the selected station signal is received in good condition, 
“TUNED” is displayed.
TUNER  SECTION
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