Sony HCD-MX500I / HCD-MX550I Service Manual ▷ View online
HCD-MX500i/MX550i
17
CD SERVICE MODE
This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the optical pick-up.
Procedure:
1. Press the [
This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the optical pick-up.
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [FUNCTION] button to select “CD”.
3. Press three buttons of [
3. Press three buttons of [
x
] and [ +
v
] simultaneously, the
message “SERVICE MO” is displayed on the fl uorescent indi-
cator tube.
cator tube.
4. Press
the
[
l m
TUNE –] button to move the optical pick-
up to inside track and the message “SLED IN” is displayed on
the fl uorescent indicator tube, or press the [
the fl uorescent indicator tube, or press the [
M L
TUNE
+] button to outside track and the message “SLED OUT” is
displayed on the fl uorescent indicator tube.
displayed on the fl uorescent indicator tube.
5. Press the [
u
] button, “LD ON” or “LD OFF” is displayed
on the fl uorescent indicator tube. Each time [
u
] button is
pressed, laser diode on/off is changed over.
Releasing method:
Press the [
Press the [
?
/
1
] button to turn off the system.
CD SERVO TEST MODE
This mode can check the servo system operations of the optical
pick-up system (= optical unit + BD96/BD96U board).
This mode can check the servo system operations of the optical
pick-up system (= optical unit + BD96/BD96U board).
Note 1: Do not enter the [CD SERVO TEST MODE] while any other test
mode is in progress.
Note 2: Do not enter any other test mode while the [CD SERVO TEST
MODE] is in progress.
Note 3: In RAM Read, “SBADrough”, “SBBTrough”, “DT-GI roug”,
“SBAD fi ne”, “SBBT fi ne”, “DT-GI fi ne”, “DSPcomcnt”, and
“EDCcomcnt” are displayed but are not used in the service.
“EDCcomcnt” are displayed but are not used in the service.
How to Enter the CD Servo Test Mode
Procedure:
1. Press the [
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press the [FUNCTION] button to select CD function.
3. Press three buttons of [
3. Press three buttons of [
x
], and [
V
–] simultaneously.
4. It enters the CD servo test mode and displays “bdt S CURV”.
How to Exit from the CD Servo Test Mode
Procedure:
1. To release this mode, press the [
Procedure:
1. To release this mode, press the [
?/1
] button.
Key Operation:
[ +
[ +
v
], [
V
–]:
Use these keys to move between the seven modes contained in the
CD Servo Test Mode, that are the S-Curve Mode, the RAM Read
Mode, the RAM Write Mode, the Command Out Mode, the Error
Rate Mode the LOG Initialize Mode and the LOG Read Mode as
described below. Also, use these keys to move between the menus
within the respective seven modes. When [ +
CD Servo Test Mode, that are the S-Curve Mode, the RAM Read
Mode, the RAM Write Mode, the Command Out Mode, the Error
Rate Mode the LOG Initialize Mode and the LOG Read Mode as
described below. Also, use these keys to move between the menus
within the respective seven modes. When [ +
v
] is pressed, the
screen advances to the next menu or to the next mode. When [
V
–] is pressed, the screen returns back to the previous menu or
to the previous mode. Use these keys also to increase or decrease
the numeric value when changing the numeric value. Pressing [
+
the numeric value when changing the numeric value. Pressing [
+
v
] increases the value and pressing [
V
–] decreases the value.
[ENTER], [
x
]:
Use these keys to move between the different layers of the hier-
archy of the CD Servo Test Mode shown below. Press [ENTER]
to move down to the lower layer, and press [
archy of the CD Servo Test Mode shown below. Press [ENTER]
to move down to the lower layer, and press [
x
] to move up to the
higher layer.
[
M L TUNE +], [l m TUNE –]:
Use these keys to move the cursor to the right digit or to the left
digit in the six-digit number, when changing the numeric value.
Press [
digit in the six-digit number, when changing the numeric value.
Press [
M L TUNE +] to move the cursor to the right, and
press [
l m TUNE –] to return the cursor to the left.
[
u
]:
Use this key to execute Command Out in the Command Out Mode.
CD Servo Test Mode Tree:
S Curve Mode
LD ON
(bdt S CURV)
(LD ON)
RAM Read Mode
Disc Type
value indication
(bdtRAM REA)
(DiscType)
(AL: 0000, RW: 0001)
Gain Index
value indication
(GainIndx)
(0001)
RFO GAIN
value indication
(RFO_GAIN)
(0008)
FEO GAIN
value indication
(FEO_GAIN)
(0005)
SBAD GAIN
value indication
(SBAD_GAIN)
(0008)
TEO GAIN
value indication
(TEO_GAIN)
(0008)
Disc Size
value indication
(DiscSize)
(0000: Non disc, 0001: 8cm,
0002:
12cm)
Op ABRAKE Error value indication
(OpAbrkErr)
(0000)
SBBT Data
value indication
(SBBT Data)
(0053)
TE Peak
value indication
(TE
P-P)
(0097)
FEOOCD
value indication
(FEOOCD)
(00C0)
The following items are not used (Note 3)
RAM Write Mode
SPG Mask
value edit
(bdtRAM WRI)
(00 SPG_M)
(Non mask:00, Mask:01)
Fix RF Gain
value edit
(00 FixRF)
(Non Fix:00, AL Fix:01, RW Fix:02)
TMAX ON
value edit
(00 tmaxo)
Driver Mute OFF value edit
(00 d_mut)
(Normal:00, Forced OFF:01)
Command Out Mode
COMOUT6X
value edit
command out
(bdt COMOUT)
(COMOUT6X)
(000000)
(OK)
READ2X
value edit
command out
(READ2X)
(60)
(50)
REG READ
value edit
command out
(REG_READ)
(00)
(0000)
FEBC?
command out
(FEBC?)
(00)
FGADD?
command out
(FGADD?)
(FA)
TEBC?
command out
(TEBC?)
(02)
TGADD?
command out
(TGADD?)
(0D)
RFGC?
command out
(RFGC?)
(3F)
FEOF?
command out
(FEOF?)
(0000)
TEOF?
command out
(TEOF?)
(FFC0)
TEIOCD1?
command out
(TEIOCD1?)
(FEC0)
TEIOCD2?
command out
(TEIOCD2?)
(FEC0)
TEIOCD3?
command out
(TEIOCD3?)
(0080)
TEOOCD?
command out
(TEOOCD?)
(FB80)
FEOOCD?
command out
(FEOOCD?)
(00C0)
MONITOR
value edit
command out
(MONITOR)
(570A00)
(OK)
Error Rate Mode
Error rate indication
(bdt ERR RA)
(0000000000)
LOG Read Mode
value indication
(bdtLOG REA)
(XX: YYYYYY: ZZZZ)
XX: LOG Number
YYYYYY: Communication LOG
ZZZZ: LOG Number
LOG Initialize Mode
Initializetion
Initialization execution
(bdtLOG INI)
confirmation
(INIT done)
indication
Higher layer
Lower layer of menu hierarchy
HCD-MX500i/MX550i
18
CD ERROR CODE
The past errors of the CD mechanism (CDM) are displayed as the
CDM Errors, and those of the optical pick-up system (= optical
unit + BD96/BD96U board) are displayed as the BD Errors as
shown below.
Procedure:
1. Press the [
The past errors of the CD mechanism (CDM) are displayed as the
CDM Errors, and those of the optical pick-up system (= optical
unit + BD96/BD96U board) are displayed as the BD Errors as
shown below.
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press the [FUNCTION] button to select CD function.
3. Press three buttons of [TOOL MENU] and [
3. Press three buttons of [TOOL MENU] and [
u
] simultane-
ously.
4. BD and CDM error counts are displayed on the fl uoresent in-
dicator tube as shown below.
Em**Ed** X
Mode-in
count
BD error count
CDM error count
5. Press the [ +
v
] button.
6. Then, the CDM error code is displayed as “M0xxxxxxxx” (x
means hexadecimal number) on the fl uorescent indicator tube
as shown below.
as shown below.
7. Every pressing of the [
M L TUNE +] button in this mode
increments the number after “M” starting from “M0” up to
“M9”, and then returns to “M0”. Every pressing of the [
“M9”, and then returns to “M0”. Every pressing of the [
l
m TUNE –] button in this mode decrements the number after
“M”. The smaller the error code number is, the newer the error
content is.
content is.
Press the [
V
–] button to return to the previous display.
8. When the [ +
v
] button is pressed then, the BD error code
is displayed as “D0xxxxxxxx” (x means hexadecimal number)
on the fl uoresent indicator tube as shown below. In the same
way as the CDM error code, use of the [
on the fl uoresent indicator tube as shown below. In the same
way as the CDM error code, use of the [
M L TUNE +]
and the [
l m TUNE –] buttons in this mode enables trac-
ing of the error history.
Press the [
V
–] button to return to the previous display.
Releasing method:
Press the [
Press the [
?
/
1
] button to turn off the system.
Contents of “CDM Errors”
Error display example
Error display example
M 0 FF 11 42 00
1 2 3 4 5
1 It indicates the error history number
0 to 9: The error code number 0 indicates the newest error.
2 It indicates whether the CDM error occurs in the normal opera-
tions or during the initialization operation.
FF
FF
: The error has occurred in the normal opera-
tions.
Other than FF : The error has occurred during the initialization
operation.
3 It indicates the processing during which the trouble has oc-
curred.
01: The disc EJECT processing is in progress.
02: The disc INSERTION-WAITING processing is in prog-
01: The disc EJECT processing is in progress.
02: The disc INSERTION-WAITING processing is in prog-
ress.
03: Processing of the disc INSERTION-REQUEST for the up-
per CD tray is in progress.
04: Processing of the disc EJECTION-REQUEST for the up-
per CD tray is in progress.
05: The disc pulling-in operation is in progress.
06: The disc chucking processing is in progress.
07: The disc re-chucking processing is in progress.
06: The disc chucking processing is in progress.
07: The disc re-chucking processing is in progress.
08: The disc chucking-release completion operation is in prog-
ress.
4 It indicates the operation during which the trouble has oc-
curred.
00
00
: Waiting for the operation.
10 to 13 : The disc EJECT operation is in progress.
20
20
: The disc pulling-in operation is in progress.
30
: The disc chucking-release operation is in progress.
40 to 43 : The disc EJECT operation due to error is in prog-
ress.
5 Reserve
00:
Fix
Contents of “BD Errors”
Error display example
Error display example
D 0 02 09 01 01
1 2 3 4 5
1 It indicates the error history number
0 to 9: The error code number 0 indicates the newest error.
2 It indicates the error content
01: The focus servo cannot lock-in.
02: GFS is no good (NG).
03: The startup time exceeds the specifi ed period of time (time
02: GFS is no good (NG).
03: The startup time exceeds the specifi ed period of time (time
over)
04: The focus servo is unlocked continuously.
05: Q code cannot be obtained within the specifi ed period of
05: Q code cannot be obtained within the specifi ed period of
time.
06: The tracking servo cannot lock-in.
07: Blank disc
07: Blank disc
3 It indicates the on-going processing of optical pick-up system
(= optical unit + BD96/BD96U board) when the trouble has
occurred.
01: The CD SHIP mode processing is in progress.
02: The POWER OFF processing is in progress.
03: The INITIALIZE processing is in progress.
04: The optical pick-up system (= optical unit + BD96/
occurred.
01: The CD SHIP mode processing is in progress.
02: The POWER OFF processing is in progress.
03: The INITIALIZE processing is in progress.
04: The optical pick-up system (= optical unit + BD96/
BD96U) is in the stop state.
05: The STOP operation is in progress.
06: The startup processing is in progress.
07: The TOC read-in processing is in progress.
08: The SEARCH operation is in progress.
09: The PLAY operation is in progress.
0A: The PAUSE operation is in progress.
0B: The PLAY – MANUAL SEARCH operation is in prog-
06: The startup processing is in progress.
07: The TOC read-in processing is in progress.
08: The SEARCH operation is in progress.
09: The PLAY operation is in progress.
0A: The PAUSE operation is in progress.
0B: The PLAY – MANUAL SEARCH operation is in prog-
ress.
0C: The PAUSE – MANUAL SEARCH operation is in prog-
ress.
4 It indicates the disc speed when the trouble has occurred.
It indicates the step number of each processing specifi ed by
3.
Because the numbers of steps are different in each processing,
this number is different in each processing.
this number is different in each processing.
5 It indicates the disc speed when the trouble has occurred.
01: 1x (normal)
HCD-MX500i/MX550i
19
SECTION 4
ELECTRICAL CHECK
FM TUNE LEVEL CHECK
signal
generator
set
Procedure:
1. Turn on the set.
2. Input the following signal from signal generator to FM antenna
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
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 signals.
4. Confi rm “TUNED” is lit on the display for A, B and C signals.
When the selected station signal is received in good condition,
“TUNED” is displayed.
“TUNED” is displayed.
HCD-MX500i/MX550i
20
MEMO
Click on the first or last page to see other HCD-MX500I / HCD-MX550I service manuals if exist.