DOWNLOAD Sony HCD-GN1000D / MHC-GN1000D Service Manual ↓ Size: 6.38 MB | Pages: 106 in PDF or view online for FREE

Model
HCD-GN1000D MHC-GN1000D
Pages
106
Size
6.38 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-gn1000d-mhc-gn1000d.pdf
Date

Sony HCD-GN1000D / MHC-GN1000D Service Manual ▷ View online

21
HCD-GN1000D
playback of DVD and CD from the above menu. The maximum
time, which can be displayed are 999h 59min.
4. 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.  “Error code” consists of the following (a), (b) and
(c).
(a) 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 off error code is as follows.
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 Qdata/ID error
70: Lead in data read fail
71: TOC read time out (CD)
80: Can’t buffering
81: Unknown media type
 (b) Parameter of error code
Example of Error code
1. 01 05 04 04
00 92 46 00
00 00 00 00
00 00 23 45
This is the detailed contents of error information
 (c) Time of error code
Example of Error code
1. 01 05 04 04
00 92 46 00
00 00 00 00
00 00 23 45
This is the laser hours when an error occured.
5. How to clean laser hours
Press 
 DISPLAY
 button and then press [CLEAR] button.
Both CD and DVD data are cleared.
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop. ED:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
$ 4 
Change Value
[RETURN]
 Return to previous menu
6. Convert data from hexadecimal to decimal using conversion
table.
7.
Please find the label on the rear of the BU (Base Unit).
The default IOP value is written in the label.
8.
Subtract between these two values.
9. If the remainder is smaller than 93 (decimal), then it is OK.
However, if the value is bigger than 93, then the BU (base unit)
is defective and need to be change.
10. Press 
O RETURN
 button on the remote commander to return
to previous menu.
11. Press [0] button on the remote commander to return to the Top
Menu  of Remocon Diagnosis Menu.
12. Press 
?/1
 button to turn off the set.
[EMERGENCY HISTORY CHECK]
Information of Emergency History.
1. Enter DVD Service Mode.
2. Select “3. Emergency History” by pressing [3] button on the
remote commander. The screen will appear as follows.
Emg. History Check
Laser Hours
CD
999h
59min
DVD
999h
59min
1. 01 05 04 04
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
[0]
 Return to Top Menu
3. You can check the total time when the laser is turned on during
Ver. 1.3
22
HCD-GN1000D
Emg. History Check
Laser Hours
CD
0h
0min
DVD
0h
0min
1. 01 05 04 04
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
[0]
 Return to Top Menu
6. How to clean Emergency History
Press [DVD TOP MENU] button and then press [CLEAR] button.
All emergency history are cleared.
Emg. History Check
Laser Hours
CD
999h
59min
DVD
999h
59min
1. 00 00 00 00
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
[0]
Return to top Menu
7. To return to the Top Menu of Remocon Diagnosis Menu, press
[0] button on the remote commander.
Ver. 1.3
[VERSION INFORMATION CHECK]
Information of firmware version.
1. Enter DVD service Mode.
2. Select “4. Version Information” by pressing [4] button on the
remote commander. The screen will appears follows.
Version information
Firm (Main) : Ver. xxxxx
Firm (Sub) : xxxxx
RISC : xxxxx
8032 : xxxxx
Audio DSP : xxxxx
Servo DSP : xxxxx
[0]
 Return to Top Menu
3. To return to the Top Menu of Remocon Diagnosis Menu, press
[0] button on the remote commander.
[CLEAR THE INITIALIZE SETUP DATA]
Press [DVD MENU] button and then press [CLEAR] button
on the remote commander.
Emg. History Check
Laser Hours
CD
999h
59min
DVD
999h
59min
Initialize setup data...
[Next]
 Next Page 
[Prev]
 Prev Page
[0]
Return to top Menu
23
HCD-GN1000D
SECTION 5
MECHANICAL ADJUSTMENTS
SECTION 6
ELECTRICAL 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.
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
2.9m N • m to 6.9m N • m
FWD
CQ-102C
30 to 70 g • cm
(0.42 – 0.97 oz • inch)
FWD
0.15m N • m to 0.59m N • m
back tension
CQ-102C
2 to 6 g • cm
(0.03 – 0.08 oz • inch)
 2.9m N • m to 6.9m N • m
REV
CQ-102RC
30 to 70 g • cm
(0.42 – 0.97 oz • inch)
0.15m N • m to 0.59m N • m
REV
CQ-102RC
2 to 6 g • cm
back tension
(0.03 – 0.08 oz • inch)
4.8m N • m to 16.7m N • m
FF/REW
CQ-201B
49 to 170 g • cm
(0.68 – 2.36 oz • inch)
Mode
Torque meter
Meter reading
0 dB=0.775 V
DECK  SECTION
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 the
parts adjust.
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.)
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.
• Test Tape
RECORD/PLAYBACK  HEAD  AZIMUTH  ADJUST-MENT
DECK A      DECK B
Note:
  Perform this adjustments for both decks
Procedure:
1. Mode:  Playback
Tape
Signal
Used for
P-4-A100
10 kHz, –10 dB
Azimuth Adjustment
set
MAIN board
CN510
Pin 
1
 (L-CH)
Pin 
3
 (R-CH)
MAIN board
CN510
Pin 
2
 (GND)
+
level meter
test tape
P-4-A100
(10 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
24
HCD-GN1000D
DVD SECTION
[TEST DISC LIST]
Use the following test disc on test mode.
• CD:
YEDS-18 (PART No. 3-702-101-01)
or
PATD-012 (PART No. 4-225-203-01)
• DVD (SL)
   NTSC
HLX-503 (PART No. J-6090-069-A)
or
HLX-504 (PART No. J-6090-088-A)
   PAL
HLX-506 (PART No. J-6090-077-A)
• DVD (DL)
   NTSC
HLX-501 (PART No. J-6090-071-A)
or
HLX-505 (PART No. J-6090-089-A)
   PAL
HLX-507 (PART No. J-6090-078-A)
Procedure:
1. Connect an oscilloscope to CN105 pin 6  (RFMON) and
CN105 pin 3 (GND) on the DMB15 board.
2. Turn the power on.
3. Set the test disc (DVD: HLX-503 (NTSC) or HLX-504 (PAL),
CD: YEDS-18) on the tray and press  Y  button to playback.
4. Confirm that oscilloscope waveform is clear and check
RFMON signal level is correct or not.
Note:
A clear RFMON signal waveform means that the shape “
” can be
clearly distinguished at the center of the waveform.
Checking Location: DMB15 board (Side A)
+
CN105 pin 
6
 (RFMON)
CN105 pin 
3
 (GND)
oscilloscope 
DMB15 board
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
RFMON signal waveform
level: 0.58 to 1.23 Vp-p (DVDSL)
          0.57 to 1.1 Vp-p (CD)
IC102
IC101
IC104
IC201
CN105
CN106
DMB15 BOARD
CN105 pin 
3
 (GND)
CN105 pin 
6
 (RFMON)
1
6
3. Mode:  Playback
4. After the adjustments, apply suitable locking compound to
the pats adjusted.
Adjustment Location:  Playback Head (Deck A).
Record/Playback/Erase Head (Deck B).
set
MAIN
board
CN510
test tape
P-4-A100
(10 kHz, –10 dB)
pin 
3
oscilloscope
L-CH
R-CH
V
H
waveform of oscilloscope
in phase 45
°
90
°
135
°
180
°
good
wrong
pin 
2
pin 
1
L
R
Note:
When the BASE UNIT is replaced, perform the IOP measurement
(Refer to page 20 of the TEST MODE).
[RFMON Level Check]
Connection:
forward
reverse
Ver. 1.3
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