Sony CMT-X5CD / CMT-X5CDB / CMT-X7CD / CMT-X7CDB Service Manual ▷ View online
CMT-X5CD/X5CDB/X7CD/X7CDB
CMT-X5CD/X5CDB/X7CD/X7CDB
41
41
SECTION 4
ELECTRICAL CHECKS
TUNER SECTION 0 dB = 1 V
FM AUTO STOP 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. Touch the [FUNCTION] button to turn the FM tuner function
and scan the input FM signal with automatic scanning.
4. Confi rm that input frequency of A, B and C detected and auto-
matic scanning stops.
When the station signal is received in good condition, automatic
scanning stops.
scanning stops.
CD SECTION
Note:
1. CD block is basically constructed to operate without adjustment.
2. Use the HLX-A1 test disc (Part No. J-2501-307-A) unless otherwise
1. CD block is basically constructed to operate without adjustment.
2. Use the HLX-A1 test disc (Part No. J-2501-307-A) unless otherwise
indicated.
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 when performing
this mode.
It cannot be operated with the remote commander attached to 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. Touch the [FUNCTION] button to select the
“
CD
”
function.
3. Touch and press two buttons of the [
u
] and [
?/1
] simultane-
ously for fi ve seconds, or press the buttons on the remote com-
mander in order of the [ALPHABET SEARCH] → [9] → [1]
→ [ENTER] (press the next button within three seconds).
mander in order 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 “SET DISC” is displayed on the liquid crystal dis-
play.
Screen display
5. Insert the test disc (HLX-A1) in the unit.
6. Servo check is started, following screen is displayed on the
6. Servo check is started, following screen is displayed on the
liquid crystal display.
Servo check start
Servo check end
N
N
N
N
N
N
N
N
7. When servo check is ended, the test disc (HLX-A1) is ejected
automatically, and “PASS” or “NG X” (X: error No. (1 to 8))
is displayed on the liquid crystal display.
is displayed on the liquid crystal display.
Screen display
or
Error No.
(1 to 8)
Error No.
Servo Check Item
1
Disc Type
2
SPFG (No Check)
3
Mirror Time
4
TE_Level
5
S_Level
6
S_Balance
7
RFLvl
8
Jitter
Releasing method:
It can release by any of the following method.
• Touch and press two buttons of the [
It can release by any of the following method.
• Touch and press two buttons of the [
u
] and [
?/1
] simultane-
ously 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)
• Touch the [FUNCTION] button to select the except CD func-
tion.
• Press the [
?
/
1
] button to turn the power off.
2-4. WiFi Reception Level (CMT-X7CD/X7CDB only)
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.
(Refer to “CHECKING METHOD OF NETWORK CON-
1. Set this unit to wireless LAN connection state.
(Refer to “CHECKING METHOD OF NETWORK CON-
NECTION” on 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
Reception level
(0 to 99)
Releasing method:
Press the [
Press the [
?
/
1
] button to turn the power off or press the buttons on
the remote commander in order of the [ALPHABET SEARCH] →
[9] → [7] → [ENTER].
(Press the next button within three seconds)
[9] → [7] → [ENTER].
(Press the next button within three seconds)
2-5. 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. Touch the [FUNCTION] button to select except “FM” and
“DAB”.
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 “ST” continues
blinking on the liquid crystal display)
blinking on the liquid crystal display)
Screen display of “CD”, “USB”, “BT AUDIO”, “AUDIO IN” function
Screen display of “NETWORK” function
ST
ST
ST
Blinking
ST
ST
Blinking
Countdown
timer
(60 to 0)
Signal level
(0 or 1)
Countdown
timer
(60 to 0)
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”, “BT AUDIO”, “AUDIO 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] → [9] → [9] → [ENTER].
(Press the next button within three seconds)
Press the buttons on the remote commander in order of the [AL-
PHABET SEARCH] → [9] → [9] → [ENTER].
(Press the next button within three seconds)
CMT-X5CD/X5CDB/X7CD/X7CDB
CMT-X5CD/X5CDB/X7CD/X7CDB
42
42
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 (1/3)
OP1
OPTICAL PICK-UP BLOCK
(CMS-S76RFS7G)
MS-091 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+
133 CDM-FWD
6
FWD
27 CDM-RVS
84 CDM_UNLOAD_END_SW
83 CDM_LOAD_END_SW
85 CDM_LOAD_SW
7
RVS
10 VOTR+
9 VOTR–
FCS–
LOAD+
LOAD–
LOAD–
LOAD_SW
LOAD_END_SW
UNLOAD_END_SW
23 GPIO2
19 TRAY_OPEN
20 TRAY_CLOSE
20 TRAY_CLOSE
AUTOMATIC POWER
CONTROL (FOR DVD)
Q851
40
22
GPIO3
MTKIC-DIN
35
20
SDA
MTKIC-DOUT
34
17
SCL
MTK-CLK
42
19
GPIO13
MTK-CS
41
48
GPIO4
MTK_BUSY
38
54
PRST
RESET_MTK
DC 5V
1.5A MAX
: CD PLAY
: USB
SIGNAL PATH
MTK-MCK
MTK-DATAO
MTK-DATAO, MTK-BCK,
MTK-LRCK, MTK-MCK
MTK-BCK
MTK-LRCK
53
USB_CHARGER
24
USB_DM
25
USB_DP
118
GPIO
113
GPIO
117
GPIO
112
GPIO
55
USB-SEL
8
XTALO
7
XTALI
X501
27MHz
3
2
CN1501
2 1D–
1 1D+
4
USB D+
USB D–
2D–
3 2D+
USB DATA SWITCH
IC1507
7
D–
8
D+
6
OE
9
S
114
USB_EN
5 A2
6 B2
USB CHARGE SWITCH
IC1502
2
A1
3
B1
1
OE1
7
OE2
>001B
USB D+ , USB D–
>002B
(X7CD/X7CDB)
(X7CD/X7CDB)
(X7CD/X7CDB)
(X7CD/X7CDB)
(Page 43)
(Page 43)
CMT-X5CD/X5CDB/X7CD/X7CDB
CMT-X5CD/X5CDB/X7CD/X7CDB
43
43
5-2. BLOCK DIAGRAM - AUDIO Section -
13
9
VINL
DOUT
15 DAB_RX
RXD_DAB
I2S_DATA
I2S_BCK
16 DAB_TX
59 TUNER POWER/DAB_POW_V12
TXD_DAB
52 DSEL_C
DAB1.2V
DAB3.3V
DAB3.3V
DAB BOARD & DAB1 MODULE (DAB TUNER)
14 VINR
8 BCK
7 LRCK
6 SCKI
7 LRCK
6 SCKI
28 I2S_DI_DSEL
24 I2S_BCK_DSEL1
26 I2S_LRCK_DSEL1
24 I2S_BCK_DSEL1
26 I2S_LRCK_DSEL1
A/D CONVERTER
IC706
32
I2S_DAMP_DAC_SDA
29
I2S_BCK_DAC
14
I2S_DAMP_DAC_MCLK
15
DAMP_CARRIER
81
SPK-PROTECT
128
DAMP_CARRIER
16 SDIN
15 SCLK
17 LRCLK
14 MCLK
15 SCLK
17 LRCLK
14 MCLK
DIGITAL POWER AMP
IC602
29
SPK_OUTA+
26
SPK_OUTA–
20
SPK_OUTB+
23
SPK_OUTB–
120
DAMP_PDN
124
DAMP_MUTE
6
SPK_F
AUL
T
7
SPK_SD
13
SPK_SLEEP
8
FREQ
AUDIO DSP, SYSTEM CONTROLLER
IC204 (2/3)
SP1
(L-CH)
SP2
(R-CH)
I2SLRCK
BT-TX
PCM_OUT
PCM_CLK
BT-RX
BT-RTS
BT-CTS
BT-CTS
BT-MUTE
BT-RST
BT1
Bluetooth
MODULE
MODULE
PCM_SYNC
45
DSEL_A
: CD PLAY
: TUNER
: AUDIO IN
SIGNAL PATH
: AUDIO
X201
12.288MHz
91
AUDIO_X2
92
AUDIO_X1
X202
13.333MHz
71
EXT
AL
70
XT
AL
X203
32.768kHz
67
RT
C
_X
2
68
RT
C
_X
1
6 1C0
4 1C2
DIGITAL AUDIO
SELECTOR
IC709
7
1Y
A
14
47
DSEL_B
134
RESET_BT
8
BT_MUTE
51
UAR
T_R
TS_BT
49
UAR
T_CTS_BT
43
UAR
T_TxD_BT
132
UAR
T_RxD_BT
B
2
MTK-MCK
MTK-BCK
MTK-DATAO
MTK-LRCK
MTK-BCK
MTK-LRCK
MTK-BCK
MTK-LRCK
MTK-LRCK
MTK-BCK
MTK-DATAO
5 1C1
3 1C3
3 1C3
4 1C2
6 1C0
6 1C0
CLOCK SIGNAL
SELECTOR
IC710
7
1Y
9
2Y
A
14
B
2
5 1C1
3 1C3
3 1C3
30
I2S_LRCK_DAC
MTK-DATAO, MTK-BCK,
MTK-LRCK, MTK-MCK
MTK-LRCK, MTK-MCK
12 2C2
10 2C0
11 2C1
13 2C3
10 2C0
11 2C1
13 2C3
2 1A
3 1B
3 1B
DIGITAL AUDIO/CLOCK SIGNAL
SELECTOR
IC708
4
1Y
9
3Y
7
2Y
SELECT
1
5 2A
6 2B
6 2B
11 3A
10 3B
10 3B
BUFFER
Q601
DC DETECT
Q603
DC DETECT
Q602
D601
>001B
: Bluetooth
: LAN
: WIRELESS LAN
DAB/FM
ANTENNA
I2C_DATA
I2S_DATA
I2SLRCK
I2C_SCL
POWER-TU
RDSI
TUNER BOARD
I2S_BCK
FM
ANTENNA
1 RDS_INT/DAB_POW_V33
WAVE
SHAPER
IC711, 712
(X5CD/X7CD)
(X7CD/X7CDB)
(X5CDB/X7CDB)
(X5CDB/X7CDB)
(X5CDB/X7CDB)
128 I2C_SDA_TU
127 I2C_SCL_TU
127 I2C_SCL_TU
(X5CD/X7CD)
(X7CD/X7CDB)
1
2
3
6
5 SPI_DI_BCO
SPI_OUT
ADA_LRCK
ADA_BCK
AV2DATA0
4 SPI_DO_BCO
SPI_DIN
2 SPI_CLK_BCO
SPI_CLK
3 SPI_CS_BCO
SPI_NCS0
PDOUT0
12 BCO_REQ
PDOUT1
13 BCO_DATA_READY
A22
176 BCO_MUTE
A23
10 BCO_WOL
NWAIT
175 RESET_BCO
NRESET_MOD
ETHRX+
(7+5;í
ETHTX+
(7+7;í
USB D+
86%'í
86%'í
WIFI1
WIFI MODULE
J001
MODULAR
JACK
PATTERN
ANTENNA
LAN
AUDIO IN
J1501
T1501
PULSE
TRANSFORMER
T1502
PULSE
TRANSFORMER
USB D+
USB D–
USB D–
USB D+ , USB D–
>002B
(X5CD/X5CDB)
(X7CD/X7CDB)
(X5CD/X5CDB)
(X5CD/X7CD)
(X5CDB/X7CDB)
2 SDA
6 SCL
6 SCL
MFI
IC202
126
I2C_SDA_CP
125
I2C_SCL_CP
7 RST
122
RESET_CP
2 DO
5 DI
5 DI
SERIAL FLASH
IC203
172
QSPI_D1
170
QSPI_D0
6 CLK
168
QSPI_CLK
1 CS
169
QSPI_CS
3 WP
166
QSPI_D2
7 HOLD
167
QSPI_D3
(Page 42)
(Page 42)
CMT-X5CD/X5CDB/X7CD/X7CDB
CMT-X5CD/X5CDB/X7CD/X7CDB
44
44
5-3. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
135 SIRCS
AUDIO DSP, SYSTEM CONTROLLER
IC204 (3/3)
48
SEG4 – SEG35
SI
LIQUID CRYSTAL DISPLAY DRIVER,
LED DRIVER
IC5301
REMOTE CONTROL
RECEIVER
IC2101
40 DP-DI
47
CLK
35 DP-CL
46
CS
38 DP-CE
45
xINH
118 DP-INH
131 TP-INT
110
(X7CD/X7CDB)
(X5CD/X5CDB)
(X7CD/X7CDB)
NFC_DATA
136 STDBY_LED
56 KEY_WAKE
NFC MODULE
(RC-S801)
96 NFC_DATA
NFC DATA
NFC SPICLK
POWER KEY BOARD
GREEN-LED
POWR KEY
108 NFC_SPI_CLK
NFC SW
103 NFC_SW
NFC RFDET
6 NFC_RFDET
129 TP-SCL
130 TP-SDA
B+ SWITCH
Q905
B+ SWITCH
Q906, 907
POWER CONTROL
Q901, 903, 904
POWER MONITOR
IC901 (2/2)
POWER MONITOR
IC901 (1/2)
B+ SWITCH
Q908, 909
B+ SWITCH
Q912, 913
POWER MONITOR
Q911
RESET SIGNAL
GENERATOR
IC205
PROTECT DETECT
Q910
D911
D915
D912
D1508
+19.5V
PVDD-19.5V
BCO3.3V
BCO1.2V
FE_5.2V
94
POWER-AMP
173
POWER-ON
60
POWER_BCO
137
AC_CUT
1 PW1
LED DRIVE
Q5301
D5301
(LCD BACK LIGHT)
2 PW2
LED DRIVE
Q5303
COM1 – COM4
ND5301
LIQUID CRYSTAL
DISPLAY
EVER-3.3V
+19.5V
D904
DC/DC CONVERTER
IC903
DC/DC CONVERTER
IC1506
D1507
D910
EVER-5V
+5V
BT+3.3V
+3.3V REGULATOR
IC005
USB+3.3V
+3.3V REGULATOR
IC1505
D918
EVER-3.3V
EVER1.18V
DC/DC CONVERTER
IC902
USB VBUS
165
POWER_USB
164
POWER_BT
57
USB_OC
76
RES
79
POWER_MONITOR
+1.2V REGULATOR
IC1504
AMP+3.3V
+3.3V REGULATOR
IC601
FE_3.3V
DC/DC CONVERTER
IC851
D3.3V
+3.3V REGULATOR
IC707
+1.2V REGULATOR
IC501
RF+3.3V
RF+1.2V
+3.3V REGULATOR
IC505
+3.3V REGULATOR
IC905
DC/DC CONVERTER
IC907
D905
D919
19.5V
PWR1
POWER UNIT
(AC IN)
STBY-LED
LED DRIVE
Q002
TOUCH KEY BOARD
TP SDA
TP SCL
TP INT
41 TP-RESET
TP RESET
PROTECTOR
Q001
D001
USB VBUS
(FOR WiFi)
(FOR WiFi)
96
POWER_BCO1.2
VBUS SWITCH
Q005, 006
111
(X7CD/X7CDB)
(X5CD/X5CDB)
NFC_SEL
175 NFC_SEL
NFC SEL
104
(X7CD/X7CDB)
(X5CD/X5CDB)
NFC_IRQ
176 NFC_IRQ
NFC IRQ
16
5V_ON
127
5V_ON
(X5CD/X7CD)
(X5CDB/X7CDB)
(X7CD/X7CDB)
VBUS SWITCH
IC1501
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