Sony HCD-SX7 / HCD-SX7B Service Manual ▷ View online
HCD-SX7/SX7B
33
1-5. RF Mode
It can turn on or off the wireless signal of WiFi and Bluetooth.
It can turn on or off the wireless signal of WiFi and Bluetooth.
Procedure:
1. Press the [
1. Press the [
@
/1
] button to turn the power on.
2. Check that “ ” fl ashes on the liquid crystal display.
3. Press two buttons of the [BACK] and [
3. Press two buttons of the [BACK] and [
Z
] simultaneously for
three seconds.
4. The message “RF On” or “RF Off” is displayed on the liquid
crystal display, it turn on or off the wireless signal of WiFi and
Bluetooth.
Bluetooth.
Screen display
RF On
RF Off
or
2. TEST MODE BY THE MAIN UNIT AND REMOTE
COMMANDER OPERATION
It operate the test mode by the main unit and following remote
commander.
commander.
Note: A button having no particular description in the text, indicates the
main unit button.
If perform the test mode of after this item, please use the remote
commander of the following.
(Other than the remote commander of the following, it can use if
there are “SEARCH” button and “numeric key”)
Cannot operate on the remote commander of supplied with this unit.
Part No.
Description
1-489-989-11
REMOTE COMMANDER (RM-AMU139)
2-1. Reset
It can clears all data including preset data stored in the memory to
initial conditions. Execute this mode when returning the this unit
to the customer.
It can clears all data including preset data stored in the memory to
initial conditions. Execute this mode when returning the this unit
to the customer.
Note: It is the same specifi cation as 1-1. Cold Reset on page 32.
Procedure:
1. Press the [
1. Press the [
@
/1
] button to turn the power on.
2. Press the buttons on the remote commander in order of the
[ALPHABET SEARCH]
→ [1] → [ENTER].
(Press the next button within three seconds)
3. The message “All Reset” is displayed on the liquid crystal display,
then becomes the standby state.
Screen display
All Reset
2-2. Common Test
It can confi rm the sound function.
It can confi rm the sound function.
Procedure:
1. Press the [
1. Press the [
@
/1
] button to turn the power on.
2. Press the buttons on the remote commander in order of the
[ALPHABET SEARCH]
→ [2] → [ENTER].
(Press the next button within three seconds)
3. It enters the common test mode, the message “LINE IN” is
displayed on the liquid crystal display.
(In this mode, “cPLAY” and “SLEEP” continues blinking on
the liquid crystal display)
the liquid crystal display)
Screen display
c
PLAY
SLEEP
Blinking
LINE IN
4. When the [VOLUME] dial turned clockwise/counterclock-
wise, the message is changed with “Volume Min”
↔ “Volume
1”
↔ “Volume 18” ↔ “Volume Max” on the liquid crystal display
and volume setting is changed.
Screen display
c
PLAY
SLEEP
Volume Min
c
PLAY
SLEEP
Volume 1
c
PLAY
SLEEP
Volume 18
c
PLAY
SLEEP
Volume Max
Releasing method:
Press the [
Press the [
@
/1
] button to reset the main unit and turn the power off.
2-3. Fixed Equalizer Off Mode
It can setting off of the equalizer.
It can setting off of the equalizer.
Procedure:
1. Press the [
1. Press the [
@
/1
] button to turn the power on.
2. Press the buttons on the remote commander in order of the
[ALPHABET SEARCH]
→ [8] → [7] → [ENTER].
(Press the next button within three seconds)
3. Enter the this mode, fi xed equalizer is off.
Note: There is not display change indicating state of this mode. Can run a
normal operation in this state.
Releasing method:
Press the [
Press the [
@
/1
] button to turn the power off.
HCD-SX7/SX7B
34
2-4. Panel Test
It can confi rm the liquid crystal display, model name, destination
and software version.
It can confi rm the liquid crystal display, model name, destination
and software version.
Procedure:
1. Press the [
1. Press the [
@
/1
] button to turn the power on.
2. Press the buttons on the remote commander in order of the
[ALPHABET SEARCH]
→ [1] → [9] → [ENTER].
(Press the next button within three seconds)
3. It enters the panel test mode, and all segments on the liquid
crystal display.
Screen display
1
NX
REC
FLDR SHUF PGM
TUNED STEREO cPLAY cREC
UPDATE
SLEEP
4. When the [– TUNING +
.
>
] dial turned clock-
wise, the model name and destination are displayed on the liq-
uid crystal display alternately.
uid crystal display alternately.
(In this mode, “ ”continues lighting up and “STEREO” con-
tinues blinking on the liquid crystal display.)
tinues blinking on the liquid crystal display.)
Screen display
CMT-SX7B
STEREO
CE2
STEREO
Blinking
Model
Model name
display
Destination
display
SX7: Canadian (CA2)
CMT-SX7
NA
SX7: AEP, UK
(CEL, CEK)
(CEL, CEK)
CMT-SX7
CE2
SX7: Latin American,
Argentina (E32, AR2)
Argentina (E32, AR2)
CMT-SX7
LATIN
SX7: Singapore, Thai,
Indonesian
(SP1, TH1, IA2)
Indonesian
(SP1, TH1, IA2)
CMT-SX7
ASIA2
SX7: Russian (RU1)
CMT-SX7
RU
SX7B: AEP, UK
(CEL, CEK)
(CEL, CEK)
CMT-SX7B
CE2
SX7B: Australian (AU1)
CMT-SX7B
AU
5. When the [– TUNING +
.
>
] dial turned clockwise
again, the WiFi channel type is displayed on the liquid crystal
display.
display.
Screen display
2.4TYPEX/5TYPEX
STEREO
Blinking
2.4G channel
number
5G channel
number
Channel
number
Channel setting
2.4 GHz band
5 GHz band
1
1 – 13 ch
36 – 165 ch
2
–
36 – 116 ch,
132 – 165 ch
3
1–11 ch
–
4
–
149 – 161 ch
5
–
–
6
–
36 – 140 ch
7
–
36 – 64 ch,
149 – 165 ch
6. When the [– TUNING +
.
>
] dial turned clock-
wise again, the MC version is displayed on the liquid crystal
display.
display.
7. Each time [– TUNING +
.
>
] dial turned clock-
wise, the display changes MCS version
→ PF version → Lute
version
→ Cast version → MTK version → OPU version →
NWM version
→ BTM version → GC version → USBL ver-
sion
→ NWA version → NWD version → BTA version → CD
version
→ CDMA version → CDMB version → ST version
→ TA version → TM version this order, and returns to the MC
version display.
version display.
Note: OPU version is not displayed normally.
MC 0.37
STEREO
MC version
MCS version
PF version
MTK version
OPU version
(Version is not displayed)
(Version is not displayed)
NWM version
BTM version
GC version
NWA version
NWD version
BTA version
CD version
CDMA version
CDMB version
ST version
TA version
TM version
MCS 1.00
STEREO
PF 23.27
STEREO
MTK 0.010
STEREO
OPU
STEREO
NWM 21.82
STEREO
BTM 21.80
STEREO
GC 0.01
STEREO
NWA 0.13
STEREO
NWD 0.06
STEREO
BTA 0.81
STEREO
CD 0.12
STEREO
CDMA 1.43
STEREO
CDMB 1.17
STEREO
ST 1.39
STEREO
TA 0.40
STEREO
TM 0.01
STEREO
Lute version
Cast version
Lute 21.82
STEREO
Cast 5.00
STEREO
USBL version
USBL 0.00
STEREO
(Displayed values in the above fi gure are example)
Releasing method:
Press the buttons on the remote commander in order of the [AL-
PHABET SEARCH]
Press the buttons on the remote commander in order of the [AL-
PHABET SEARCH]
→ [1] → [9] → [ENTER].
(Press the next button within three seconds)
Ver. 1.1
HCD-SX7/SX7B
HCD-SX7/SX7B
35
35
SECTION 4
ELECTRICAL CHECKS
TUNER SECTION 0 dB = 1 V
FM TUNE LEVEL CHECK
signal
generator
unit
Procedure:
1. Press the [
1. Press the [
@
/1
] button to turn the power on.
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 unit.
You cannot use video cable for checking.
Use signal generator whose output impedance is 75 ohm.
3. Press the [FUNCTION] button on the remote commander to
select the 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.
When the selected station signal is received in good condition,
“TUNED” is displayed.
“TUNED” is displayed.
CD SECTION
Note:
1. CD block is basically constructed to operate without adjustment.
2. Use HLX-A1 disc (Part No. J-2501-307-A) unless otherwise indicat-
1. CD block is basically constructed to operate without adjustment.
2. Use HLX-A1 disc (Part No. J-2501-307-A) unless otherwise indicat-
ed.
3. Clean the object lens by an applicator with neutral detergent when the
check result is “NG” with the following check.
SERVO CHECK
It can confi rm the servo function.
It can confi rm the servo function.
Note 1: A button having no particular description in the text, indicates the
main unit button.
Also the remote commander use the following.
(Other than the remote commander of the following, it can use if
there are “SEARCH” button and “numeric key”)
Cannot operate on the remote commander of supplied with this
unit.
Part No.
Description
1-489-989-11
REMOTE COMMANDER (RM-AMU139)
Procedure:
1. Press the [
1. Press the [
@
/1
] button to turn the power on.
2. Press the [FUNCTION] button on the remote commander to
select the CD function.
3. Press two buttons of the [
u
] and [
Z
] simultaneously for fi ve
seconds, or press the buttons on the remote commander in or-
der of the [ALPHABET SEARCH]
der of the [ALPHABET SEARCH]
→ [9] → [1] → [ENTER]
(press the next button within three seconds).
Note 2: The specifi cations are the same even if entering to the check mode
by either operation.
4. Check that the “SET CD” is displayed on the liquid crystal
display. And test disc (HLX-A1) is set after a disc tray opens
automatically.
automatically.
Screen display
SET CD
5. Press the [
Z
] button to close the disc tray.
6. Servo check is started, following screen is displayed on the
liquid crystal display.
Servo check start
Servo check end
T-1
T-2
T-3
T-6
T-7
T-8
7. When servo check is ended, the disc tray is opened automati-
cally, and “ALL PASS” or “NG XX YY” (XX: error No./YY:
error information) is displayed on the liquid crystal display.
error information) is displayed on the liquid crystal display.
Screen display
ALL PASS
NG XX YY
NG XX YY
or
Error No.
(01 to 03, 06 to 08)
Error information
(Hexadecimal)
(Hexadecimal)
Error No.
Servo Check Item
01
Disc Type
02
SPFG
03
Mirror Time
06
S Balance
07
RF Level
08
Jitter
Releasing method:
It can be released by one of the following methods.
• Press two buttons of the [
It can be released by one of the following methods.
• Press two buttons of the [
u
] and [
Z
] simultaneously for fi ve
seconds.
• Press the buttons on the remote commander in order of the
[ALPHABET SEARCH]
→ [9] → [1] → [ENTER].
(Press the next button within three seconds)
• Press the [FUNCTION] button on the remote commander to
select the except CD function.
• Press the [
@
/1
] button to turn the power off.
2-5. Apple Authorization IC Test
It can confi rm the Apple authorization IC.
It can confi rm the Apple authorization IC.
Procedure:
1. Press the [
1. Press the [
@
/1
] button to turn the power on.
2. Press the buttons on the remote commander in order of the
[ALPHABET SEARCH]
→ [7] → [7] → [ENTER].
(Press the next button within three seconds)
3. It enters the Apple authorization IC test mode, and check result
is displayed on the liquid crystal display.
Screen display
MFI OK
MFI NG
or
MFI TEST
4. The check result display disappears in few seconds, and it re-
turns to the display of the normal mode.
2-6. WiFi Reception Level
It can display the reception level at the time of wireless LAN con-
nection.
It can display the reception level at the time of wireless LAN con-
nection.
Procedure:
1. Set this unit to wireless LAN connection state.
1. Set this unit to wireless LAN connection state.
(Refer to “CHECKING OF NETWORK CONNECTION” on
page 5)
page 5)
2. Press the buttons on the remote commander in order of the
[ALPHABET SEARCH]
→ [9] → [7] → [ENTER].
(Press the next button within three seconds)
3. The reception level is displayed on the liquid crystal display.
Screen display
WiFi Signal:XXX
reception level
(0 to 100)
Releasing method:
Press the buttons on the remote commander in order of the [AL-
PHABET SEARCH]
Press the buttons on the remote commander in order of the [AL-
PHABET SEARCH]
→ [9] → [7] → [ENTER].
(Press the next button within three seconds)
2-7. Auto Standby Test
It can confi rm the auto standby function operates normally.
The auto standby function operates in 60 seconds in this mode.
(Usually, it takes 15 minutes)
It can confi rm the auto standby function operates normally.
The auto standby function operates in 60 seconds in this mode.
(Usually, it takes 15 minutes)
Procedure:
1. Press the [
1. Press the [
@
/1
] button to turn the power on.
2. Press the [FUNCTION] button on the remote commander to
select the except FM, AM and DAB tuner function.
3. Press the buttons on the remote commander in order of the
[ALPHABET SEARCH]
→ [9] → [9] → [ENTER].
(Press the next button within three seconds)
4. It enters the auto standby test mode, and the following screen
is displayed on the liquid crystal display.
(In this mode, “ ”continues lighting up and “STEREO” con-
tinues blinking on the liquid crystal display)
tinues blinking on the liquid crystal display)
Screen display of “CD”, “USB FRONT”, “USB REAR”,
“BLUETOOTH”, “OPTICAL IN”, “LINE IN” function
“BLUETOOTH”, “OPTICAL IN”, “LINE IN” function
Sig
X XX
STEREO
Blinking
Screen display of “NETWORK” function
Status XX
STEREO
Blinking
Countdown
timer
(60 to 0)
Countdown
timer
(60 to 0)
Signal level
(0 or 1)
5. In the case of the following states, the countdown timer de-
creases. This unit will become standby states if the countdown
timer decreases to “0”.
timer decreases to “0”.
• Operation is not performed.
• The signal level is lower than threshold.
(“CD”, “USB FRONT”, “USB REAR”, “BLUETOOTH”,
“OPTICAL IN”, “LINE IN” function only)
• NETWORK audio is stop status.
(“NETWORK” function only)
Releasing method:
Press the buttons on the remote commander in order of the [AL-
PHABET SEARCH]
Press the buttons on the remote commander in order of the [AL-
PHABET SEARCH]
→ [9] → [9] → [ENTER].
(Press the next button within three seconds)
HCD-SX7/SX7B
HCD-SX7/SX7B
36
36
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM - CD/USB Section -
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED/LOADING MOTOR DRIVE
IC852
AUDIO DSP, SYSTEM CONTROLLER
IC204 (1/4)
OP1
OPTICAL PICK-UP BLOCK
MS-476 BOARD
RF AMP, SERVO/AUDIO PROCESSOR
IC503
VOA/A
RF
VC
123 RFIP
1 RFC
VOB/B
128 RFB
VOC/C
127 RFA
VOD/D
2 RFD
VOE/E+G
4 RFF
VOF/F+H
3 RFE
10 V20
LD (780)
14 LDO1
PD
13 MDI1
AUTOMATIC POWER
CONTROL (FOR CD)
Q852
LD (650)
15 LDO2
MSW
VR (780)
11 V14
27
BIAS
VR (650)
17 DMO
4
VINSL+
11 VOSL+
12 VOSL–
12 VOSL–
SP+
SP–
SP–
18 FMO
23
VINLD
17 VOLD+
18 VOLD–
18 VOLD–
SL+
SL–
SL–
21 TRO
26
VINTK
16 VOTK–
15 VOTK+
15 VOTK+
TRK+
TRK–
TRK–
22 FOO
1
VINFC
45 GPIO7
28
MUTE
2 DO
5 DI
5 DI
SERIAL FLASH
IC502
31
SF_DO
32
SF_DI
6 CLK
33
SF_CK
1 CS
30
SF_CS_
RD0 – RD15
17 CAS
DQ0 – DQ15
RA0 – RA11
A0 – A11
18 RAS
SD-RAM
IC504
82
CAS
83
RAS
15 LDQM
61
DQM0
39 UDQM
70
DQM1
20 BA0
21 BA1
21 BA1
85
BA0
86
BA1
38 CLK
72
RCLK
16 WE
80
RWE
14 VOFC+
13 VOFC–
13 VOFC–
FCS+
6
FWD
13 P5_12
59 P2_2
7
REV
10 VOTR+
9 VOTR–
FCS–
LOAD+
LOAD–
LOAD–
TRAY-IN
TRAY-OUT
23 GPIO2
19 TRAY_OPEN
20 TRAY_CLOSE
20 TRAY_CLOSE
AUTOMATIC POWER
CONTROL (FOR DVD)
Q851
40
22
GPIO3
MISO0
35
20
SDA
MOSI0
34
17
SCL
RSPCK0
42
19
GPIO13
SSL00
41
48
GPIO4
P7_5
38
PRST
SIGNAL PATH
MTK-DATAO
MTK-DATAO,
MTK-BCK,
MTK-LRCK
MTK-BCK
MTK-LRCK
24
USB_DM
25
USB_DP
118
GPIO
113
GPIO
117
GPIO
8
XTALO
7
XTALI
X501
27MHz
2
3
USB_DP
USB_DM
USB DATA SWITCH
IC607
7
D–
8
D+
6
OE
9
S
5 A2
6 B2
USB CHARGE SWITCH
IC604
2
A1
3
B1
1
OE1
7
OE2
>001B
USB_DP , USB_DM
>002B
2 1D–
1 1D+
4 2D–
3 2D+
: CD PLAY
: USB
5V 2.1A
CN1500
I/O EXPANDER
IC201 (1/4)
17 P20
18 P21
14 P15
19
P22
20
P23
7
P06
CMS-S76RFS7G1/
CMS-S76RFS7GP
(Page 37)
(Page 38)
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