DOWNLOAD Sony HCD-RG66 / MHC-RG66 Service Manual ↓ Size: 4.9 MB | Pages: 58 in PDF or view online for FREE

Model
HCD-RG66 MHC-RG66
Pages
58
Size
4.9 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-rg66-mhc-rg66.pdf
Date

Sony HCD-RG66 / MHC-RG66 Service Manual ▷ View online

13
HCD-RG66
2-16. MOTOR Board, ADDRESS SENSOR Board
2-17. Table (New), Cam (Control) and DC Motor
2
 Pull out the disc tray.
6
two
 screws (+BTTP M2.6)
3
screw (+PTPWH 2.6
 
×
 8)
4
tray
9
screw (+BTTP M2.6)
8
MOTOR board
q;
ADDRESS SENSOR board
7
Remove the two solderings of motor.
5
connector 4p (CN722)
1
 Turn the pulley to the direction of arrow.
pulley
Front panel side
CD mechanism deck (CDM58F-K6A)
*Cautions of an assembly
7
 DC motor (TURN)
claw
claw
6
 belt
5
 pulley (S)
4
 gear (U)
2
 screw (STEP)
3
 cam (CONTROL)
1
 table (NEW)
DC motor (TURN)
pulley (S)
14
HCD-RG66
SECTION 3
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 customer.
Procedure:
1. Press three buttons x  ,  ENTER  ,  and ?/1 simultaneously.
2. The fluorescent indicator tube displays “COLD RESET” and
the set is reset.
[Aging Mode]
This mode can be used for operation check of CD section and tape
deck section.
• If an error occurred:
The aging operation stops and is displayed status.
• If no error occurs:
The aging operation continues repeatedly.
1.
Operating method of Aging Mode
Turn on the main power and select “CD” of the function.
1) Set three discs in tray.  Select ALL DISCS, and REPEAT OFF.
2) Load the tapes recording use into both decks.
3) Press three buttons x ,  GAME EQ ,  and
DISC SKIP/EX-CHANGE  simultaneously.
4) Aging operations of CD and tape are started at the same time.
5) To exit the aging mode, perform [Cold Reset].
2.
Aging mode in CD section
1) Operation during aging mode
• In the agining mode ,the program is excuted in the following
sequence.
(1) The disc tray opens and closes.
(2) The disc tray turns to select a disc 3.
(3) The pick-up accesses to the first track, and plays 3 seconds.
(4) The pick-up accesses to the last track, and plays 3 seconds.
(5) The disc tray opens and closes.
(6) The disc tray turns to select a disc 1.
(7) The same operation starts like step (3).
(8) After a disc 1 aging operation, a disc 2 is selected.
(9) When an aging operation of a disc 3 is completed, the display
“AGING 
∗∗∗∗
” value increases.
(10) If no error occurs, the aging operation continues repeatedly.
2) Error display
Step
1
2
3
4
5
6
7
Operation
Rewind the TAPE A
Rewind the TAPE B
Play the TAPE A (1 minute)
Stop the TAPE A (1 second)
Play the TAPE A (3 minutes)
Rewind(AMS) the TAPE A
F.F.(AMS) the TAPE A
Display
TAPE
AAG-01
TAPE
BAG-01
TAPE
AAG-02
TAPE
AAG-03
TAPE
AAG-04
TAPE
AAG-05
TAPE
AAG-06
Disc error
Display
Error
E00D01022
Focus error (No disc)
E00D02022
Sub Q error (Focus is good)
E00D02023
TOC reading error
E00D02014
Access error (Unable within regular time)
Mechanism error
Display
Error
E00M__E_0
Error during opening tray
E00M__C_2
EX-CHANGE disc error
E00M__D_0
Error during closing tray
E00M__F_3
EX-OPEN error
E00M__D_5
EX-CLOSE error
E00M__C_2
Chuck-up error
E00M__C_3
Unchucking error
3.
Aging mode in Tape Deck section
1) Operation during aging mode
• In the agining mode, the program is excuted in the following
sequence.
2) Error display
• If error occurred, the display remains like “TAPE BAG-2”.
4.
Exiting from the aging mode
• Be sure to perform Cold Reset to exit from the aging mode.
[GC Test  Mode]
• All fluorescent segments and LEDs are tested.
• Keyboard check.
Procedure:
1. Press the  ?/1  button to turn the set ON.
2. To enter the test mode, press the three buttons  x ,  GAME EQ
and  DISC 2  simultaneously.
3. All segments and LEDs are turned on.
4. Press the  GAME EQ  and  DISC 2  buttons simultaneously, and
the key check mode is activated.
5. The message “KEY 0 0 0 ” is displayed.
Each time a button is pressed, the key code number is displayed.
6. Press the  GAME EQ  and  DISC 2  buttons simultaneously, and
the key count mode is activated.
7. The message “KEYCNT 0 1” is displayed.
Each time a button is pressed, “KEYCNT 0 1” value increased.
However, once a button is pressed, it is no longer taken into
account.
8. Press the  GAME EQ  and  DISC 2  buttons simultaneously, and
the head phone detect mode is activated.
9. The message “H_P OFF” is displayed when a headphone jack
is not inserted.
“H_P ON ” is displayed when a headphone jack is inserted.
10. Press the  GAME EQ  and  DISC 2  buttons simultaneously, and
the volume control detect mode is activated.
11. The message “VOLUME FLAT” is displayed.
“VOLUME UP” is displayed if rotating VOLUME knob
clockwise, or “VOLUME DOWN” is displayed if rotating
counterclockwise.
12. To exit from the GC test mode after the volume control detect
mode, press the  GAME EQ  and  DISC 2  buttons simultaneously.
15
HCD-RG66
[Version and Destination Display Mode]
• The version or destination is displayed.
Procedure:
1. Press the  ?/1  button to turn the set ON.
2. To enter the test mode, press the three buttons  x ,  GAME EQ
and  MOVIE EQ  simultaneously.
3. The destination is displayed.
4. Press the  x  and  ENTER  buttons simultaneously.
5. The version is displayed.
6. To exit from this mode, press the  ?/1  button to turn the set
OFF.
[CD Service Mode]
• This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the pick-up.
Procedure:
1. Press the ?/1 button to turn the set ON.
2. Select the function “CD”.
3. To enter the test mode, press three buttons x ,  GAME EQ ,
and  OPEN/CLOSE  simultaneously.
4. The message “CD S” is displayed. The CD service mode is
selected.
5. With the CD in stop status, press the  
M
 +
 
 button  to move the
pick-up to outside track and “CD S -F” is displayed, or press
the  – 
 button to inside track and “CD S -R” is displayed.
6. To exit from this mode, perform as follows:
1) Move the pick-up to the most inside track.
2) Perform Cold Reset.
Note:
 • Always move the pick-up to most inside track when exiting from
this mode.  Otherwise, a disc will not be unloaded.
• Do not run the sled motor excessively, otherwise the gear can be
chipped.
[MC Test  Mode]
• This mode is used to test the function of the equalizer.
Procedure:
1. Press the  ?/1  button to turn the set ON.
2. To enter the test mode, press the three buttons  x  ,  GAME EQ
and  DISC 3  simultaneously.
3. Press the  MOVIE EQ  button.
The function of the equalizer is set to “GEQ MIN”.
4. Press the  MUSIC EQ  button.
The function of the equalizer is set to “GEQ MAX”.
5. Press the  P FILE  button.
The function of the equalizer is set to “GEQ FLAT”.
6. To exit from this mode, press the  ?/1  button to turn the set
OFF.
[CD Ship Mode (No Memory Clear) ]
• This mode moves the pick-up to the position durable to vibra-
tion. Use this mode when returning the set to the customer after
repair.
Procedure:
1. Press the ?/1 button to turn the set ON.
2. Select the function “CD”.
3. Press the  ?/1  button to turn the set OFF.
4. Press the  CD  button and  ?/1   button simultaneously.
5. The "STANDBY" display blinks instantaneously, then “LOCK”
is displayed and the CD ship mode is set.
16
HCD-RG66
SECTION 4
ELECTRICAL ADJUSTMENTS
FM Tuned Level Adjustment
Procedure:
1.
Supply a 98 MHz signal at 28 dB from the ANTENNA terminal.
2.
Tune the set to 98 MHz.
3.
Adjust RV101 to the point (moment) when the TUNED
indicator will change from going off to going on.
Adjustment Location: MAIN board
Null Adjustment
Procedure:
1.
Supply a 98 MHz signal at 60 dB from the ANTENNA terminal.
2.
Tune the set to 98 MHz.
3.
Measure voltage between pin 21 and pin 23 of IC 101.  Adjust
T101 until the voltage becomes 0 V.
Adjustment Location: MAIN board
[MAIN BOARD]   Component side
FM RF Signal generator
75 
 coaxial
Carrier frequency : 98 MHz
Modulation           : AUDIO 1 kHz, 75 kHz
                              deviation (100%)
Output level          : 30 dB  (at 75 
 open)
FM ANTENNA terminal
(JK101)
set
FM RF Signal generator
75 
 coaxial
Carrier frequency : 98 MHz
Modulation           : AUDIO 1 kHz, 75 kHz
                              deviation (100%)
Output level          : 60 dB  (at 75 
 open)
FM ANTENNA terminal
(JK101)
set
T101: NULL
IFT101: AM IF
RV101: 
FM TUNED LEVEL
AM RF Signal generator
30% amplitude
modulation by
400Hz signal
output level : as low as possible
AM ANTENNA terminal
(JK101)
set
AM IF Adjustment
TUNER SECTION
Procedure:
1.
Set the frequency of the AM RF signal generator to 1000 kHz
(at 10 kHz step) or 999 kHz (at 9 kHz step).
2.
Tune the set to AM 1000 kHz (at 10 kHz step) or 999 kHz (at 9
kHz step).
3.
Adjust IFT101 so that the reading on level meter becomes in
maximum.
headphones jack (JK801)
level meter
set
16 
Page of 58
Display

Click on the first or last page to see other HCD-RG66 / MHC-RG66 service manuals if exist.