DOWNLOAD Sony HCD-GNX600 / MHC-GNX600 Service Manual ↓ Size: 5.37 MB | Pages: 84 in PDF or view online for FREE

Model
HCD-GNX600 MHC-GNX600
Pages
84
Size
5.37 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-gnx600-mhc-gnx600.pdf
Date

Sony HCD-GNX600 / MHC-GNX600 Service Manual ▷ View online

13
HCD-GNX600
3-13. DRIVER BOARD, SW BOARD
3-12. SMASTER BOARD
3
two screws
     (+BVTT 3
×
6)
1
two screws
     (+BVTT 3
×
6)
2
heat sink (SMAS)
5
SMASTER board
4
three screws
     (+BVTT 3
×
6)
5
connector (CN703)
2
cover (CDM)
6
DRIVER board
8
SW board
4
wire (flat type) (CN702)
3
two screws
     (+BTTP (M2.6))
1
three screws
     (+BVTP 3
×
10)
7
screw
     (+BTTP (M2.6))
14
HCD-GNX600
3-14. CD BOARD, OPTICAL PICK-UP
3-15. SENSOR BOARD
4
two coil springs 
     (insulator)
7
two coil springs 
     (insulator)
5
two insulators 
8
two insulators 
q;
screw (+BVTP 2.6 (3CR))
2
holder (213) ASSY
qa
Remove the four solderings of motor.
qs
wire (flat type) (CN101)
qd
CD board
qf
optical pick-up
     (KSM-215DCP/C2NP)
1
floating screw 
     (+PTPWH M2.6)
3
two floating screws
     (+PTPWH M2.6)
6
two floating screws
     (+PTPWH M2.6)
9
2
tray
3
belt (table)
5
pulley (table)
8
screw
     (+BTTP (M2.6))
0
SENSOR board
7
gear (geneva)
9
connector
    (CN731)
1
floating screw 
     (+PTPWH M2.6)
6
floating screw 
     (+PTPWH M2.6)
4
floating screw 
     (+PTPWH M2.6)
15
HCD-GNX600
3-16. MOTOR (TB) BOARD
3-17. MOTOR (LD) BOARD
6
Remove the two solderings of motor.
8
MOTOR (TB) board
7
table motor assy (M741)
5
two screws
     (+BTTP (M2.6))
4
3
wire (flat type) 5 core (CN742)
1
stopper
2
stopper
4
Remove the two solderings of motor.
3
MOTOR (LD) board
1
belt (loading)
5
loading motor assy (M751)
2
two screws
     (+BTTP (M2.6))
16
HCD-GNX600
[COMMON  TEST  MODE]
• This mode is used to check operations of the respective sections
of Amplifier and Tape.
Procedure:
*   To enter Common Test Mode
1. Press x button, [ILLUMINATION] button and [DISC 3]
button simultaneously.
2. The CD ring indicators and line below CD ring indicator flash
synchronously on the fluorescent indicator tube. The function
is changed to TV.
* Check of Amplifier
1. Press [EQ BAND/MEMORY] button repeatedly until a message
“GEQ MAX” appears on the fluorescent indicator tube. GEQ
increases to its maximum.
2. Press [EQ BAND/MEMORY] button repeatedly until a message
“GEQ MIN” appears on the fluorescent indicator tube. GEQ
decreases to its minimum.
3. Press [EQ BAND/MEMORY] button repeatedly until a message
“GEQ FLAT” appears on the fluorescent indicator tube. GEQ
is set to flat.
4. When the [MASTER VOLUME] knob is turned clockwise even
slightly, the sound volume increases to its maximum and a
message “VOLUME MAX” appears on the fluorescent
indicator tube.
5. When the [MASTER VOLUME]  knob is turned counter-
clockwise even slightly, the sound volume decreases to its
minimum and a message “VOLUME MIN” appears on the
fluorescent indicator tube.
* Tape function
1. When a tape is inserted in Deck B and recording is started, the
function is changed to TV automatically. When [CD SYNC]
button is pressed during recording in function,  ALC
(Automatic Logic Control) is turned on.
2. During recording, press 
m
  button will stop the recording
and the function is changed to TAPE B and rewind the tape in
Deck B until the recording start position and playback of the
tape in Deck B is started. If the [REC PAUSE/ START]  button
is pressed for a pause and pressed again to resume recording
during recording time, when the tape is rewind, the tape will
be rewind until the position where the pause is applied.
* To release from Common Test mode.
1. To release this mode, press 
?/1
 button.
2. The cold reset is enforced at the same time.
[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             button to turn on the set.
2. Press  x  button, [ILLUMINATION/SUB WOOFER LEVEL]
button, and 
?/1
 button simultaneously.
3. The message “COLD RESET” appears on the fluorescent
indicator tube. then, the fluorescent indicator tube becomes
blank for a while, and the set is reset.
[PANEL TEST  MODE]
• This mode is used to check the fluorescent indicator tube,
LEDs, buttons, MASTER VOLUME knob, model,
destination, software version and VACS level.
Procedure:
1. Press x button, [ILLUMINATION] button and [DISC 2]
button simultaneously.
2. All LEDs and segments in fluorescent indicator tube are lighted
up. All LEDs are lighted up in red color except the SUB
WOOFER ON/OFF LED (green).
3. When you want to enter to the software version display mode,
press [DISC 1] button. The model infomation is displayed.
Press [DISC 1] button again to view destination infomation.
4. Each time [DISC 1] button is pressed, the display changes from
MC version, SYS version, UI version, CD version, CDDM
version, CDMA version, CDMB version, BDA version, BDB
version, ST version, TA version, TM version, TC version in
this order, and returns to the model version display.
5. When [DISC 3] button is pressed while the version numbers
are being displayed except model and destination, the date of
the software creation appear. When [DISC 3] button is pressed
again, the display returns to the software version display. When
[DISC 1]  button is pressed while the date of the software
creation is being displayed, the date of the software creation
is displayed in the same order of software version display.
6. Press [DISC 2] button, the key check mode is activated.
7. In the key check mode, the fluorescent indicator tube displays
“K 0 V0”. Turn the [OPERATION DIAL] clockwise, “K” value
increases by one. Turn the  [OPERATION DIAL]  counter-
clockwise, “K” value increases by one. Each time a button is
pressed, “K” value increases. Press other buttons on main unit
to check whether the button is detected. However, once a button
has been pressed, it is no longer taken into account.
“V” value increases in the manner of 0,1, 2, 3 ... if [MASTER
VOLUME]  knob is turned clockwise, or it decreases in the
manner of 0, 9, 8, 7  ... if [MASTER VOLUME] knob is turned
counter-clockwise.
8. When [DISC 3] button is pressed after all LEDs and segments
in fluorescent indicator tube light up, the fluorescent indicator
tube displays “VACS A”. A is VACS level which is trigger by
signal level.
9. When  [DISC SKIP/EX-CHANGE]  button is pressed after all
LEDs and segments in fluorescent indicator tube light up,
alternate segments in fluorescent indicator tube would light
up. If you press [DISC SKIP/EX-CHANGE] button again, another
half of alternate segments in fluorescent indicator tube would
light up. When [DISC SKIP/EX-CHANGE]  button is pressed
again, all segments lights off. Press [DISC SKIP/EX-CHANGE]
button again would cause all segments lights up.
10. To release from this mode, press three buttons in the same
manner as step 1, or disconnect the power plug.
SECTION 4
TEST MODE
?/1
Page of 84
Display

Click on the first or last page to see other HCD-GNX600 / MHC-GNX600 service manuals if exist.