Sony MHC-V5 Service Manual ▷ View online
MHC-V5
MHC-V5
37
37
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. 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.
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 lens cleaning liquid when
the servo check result is “NG”.
SERVO CHECK
Procedure:
1. Press the [
Procedure:
1. Press the [
?
/
1
] button to turn the power on.
2. Press the [FUNCTION] button to turn the CD function.
3. Press two buttons of the [FOOTBALL] and [PAN] simultane-
3. Press two buttons of the [FOOTBALL] and [PAN] simultane-
ously for three seconds.
4. Check that “SET DISC” is displayed on the fl uorescent indica-
tor tube. And test disc (HLX-A1) is set after a disc tray opens
automatically.
automatically.
Screen display
5. Press the [
Z
] button to close the disc tray.
6. Servo check is started, following screen is displayed on the
fl uorescent indicator tube.
Servo check start
Servo check end
7. Waits to complete a servo check and for a disc tray to open
automatically.
8. Test disc (HLX-A1) is taken out, and press the [Z] button to
close the disc tray.
9. “PASS” or “NG X” (X: error No. (1 to 8)) is displayed on the
fl uorescent indicator tube.
Screen display
or
Error No. (1 to 8)
Servo check item:
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
RF Level
8
Jitter
Releasing method:
Press two buttons of the [FOOTBALL] and [PAN] simultaneously
for three seconds.
Press two buttons of the [FOOTBALL] and [PAN] simultaneously
for three seconds.
MHC-V5
MHC-V5
38
38
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM - CD/USB Section -
B
REC/PLAY
5V 500mV
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED/LOADING MOTOR DRIVE
IC401
SYSTEM CONTROLLER
IC101 (1/4)
: CD PLAY
: AUDIO
: USB
SIGNAL PATH
OPTICAL PICK-UP BLOCK
(CMS-S76RFS7G)
MS-476 BOARD
RF AMP, SERVO/AUDIO PROCESSOR
IC301
VOA/A
RF
VC
MTK-MCK
ASDATA0
ASDATA0, MTK-BCK,
MTK-LRCK, MTK-MCK
ADIN
MTK-BCK
MTK-LRCK
123 RFIP
1 RF_C
VOB/B
128 RF_B
VOC/C
127 RF_A
VOD/D
2 RF_D
VOE/E+G
4 RF_F
VOF/F+H
3 RF_E
10 V20
LD (780)
14 LDO1
PD
13 MDI1
NC (LIMIT)
44 LIMITSW
AUTOMATIC POWER
CONTROL (FOR CD)
Q402
LD (650)
15 LDO2
MSW
VR (780)
11 V14/VREF0
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 MUTE
28
MUTE
2 SO
5 SI
5 SI
SERIAL FLASH
IC302
31
SF_DO
24
USB_DM
25
USB_DP
106
ADIN
118
ASDATA0
113
ABCK
117
ALRCK
112
ACLK
32
SF_DI
6 SCK
33
SF_CK
1 _CS
30
SF_CS#
RD0 – RD15
17 CAS
DG0, DQ1 – DQ15
RA0 – RA11
A0 – A9,
A10/AP, A11
A10/AP, A11
18 RAS
SD-RAM
IC306
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+
122 CD-MOTOR+
6
FWD
124 CD-MOTOR–
3 CDM-UNLOAD-SW
4 CDM-LOAD-SW
7
REV
10 VOTR+
9 VOTR–
FCS–
LOAD+
LOAD–
LOAD–
TRAY-IN
TRAY-OUT
23 MSW
19 CD_VR
20 DVD_VR
20 DVD_VR
AUTOMATIC POWER
CONTROL (FOR DVD)
Q401
40
22
IFSDI
MTK-SDO
35
20
IFSDO
MTK-SDI
34
17
IFSCK
MTK-CLK
42
19
IFCS#
MTK-XIFCS
41
16
IFBSY
MTK-BUSY
38
15
PRST#
MTK-RESET
13
HUB-RESET
8
XTALO
7
XTALI
X301
27MHz
3
2
D+
D–
CN2204
23 DM0
24 DP0
USB HUB CONTROLLER
IC451
1
DM1
2
DP1
3
2
D+
D–
CN2203
3
DM2
4
DP2
14
RESET
>001B
>002B
A
PLAY
5V 500mV
8 X2
7 X1
X451
12MHz
(Page 39)
(Page 39)
MHC-V5
MHC-V5
39
39
5-2. BLOCK DIAGRAM - MAIN Section -
13
9
VINL
DOUT
14 VINR
8 BCK
7 LRCK
6 SCKI
7 LRCK
6 SCKI
A/D CONVERTER
IC606
SYSTEM CONTROLLER
IC101 (2/4)
111
ANALOG-CSEL/SD_D1_0
175
LINK-SET
94
/LINK-MUTE
51
LINK-OUT
-B
176
LINK-OUT
-A
42
ANALOG-BSEL
41
ANALOG-ASEL
59
LINK-DET
114
ST
-RDS
115
ST
-CE
127
ST
-CLK
128
ST
-DA
TA
: AUDIO
: TUNER
: CD PLAY
1 A
2 B
2 B
DIGITAL AUDIO SELECTOR
IC607
5
Y
6
SEL
1
SRC-RST0
14
AUDIO_CLK_OUT
26
SSI3_LRCKO
24
SSI3_BCKO
MTK-MCK
MTK-BCK
ASDATA0
MTK-LRCK
MTK-BCK
MTK-LRCK
MTK-LRCK
4 SDIN
5 BCKI
5 BCKI
SAMPLE RATE CONVERTER
IC610
23
SDOUT
25
BCKO
24
LRCKO
6 LRCKI
2 RCKI
2 RCKI
ASDATA0, MTK-BCK,
MTK-LRCK, MTK-MCK
MTK-LRCK, MTK-MCK
ADIN
RST
13
>002B
>001B
: Bluetooth
DA (for IIC)
AUDIO L/LRCK
AUDIO R/BCK
CK (for IIC)
CE (p con)
IIC/RDSI
TU1
TUNER1AM3RZ ASSY
(TUNER UNIT)
ANTENNA
FM/AM
R-CH
15 X2
11 X3
11 X3
ANALOG AUDIO
SELECTOR
IC605
13
X
10 9
A B
4 Y3
1 Y0
ANALOG AUDIO
SELECTOR
IC602
3
Y
10 9
A B
INVERTER
Q604
INVERTER
Q611
R-CH
MUTING
Q602
BT-RXD
BT-TXD
BT1
Bluetooth MODULE
BT-RESET
2
7
DATA
VOUTL
8
VOUTR
1
BCK
3
LRCK
16
SCK
D/A CONVERTER
IC604
R-CH
LINE AMP
IC603
R-CH
L
J601 (1/2)
AUDIO IN
PARTY CHAIN IN
R
J601 (2/2)
L
R
LINE AMP
IC601
AUDIO OUT
PARTY CHAIN OUT
R-CH
MUTING
CONTROL
Q606
LINK SET
CONTROL
Q603
ST-CLK
ST-CE
ST-RDS
ST-DATA
LINK
DETECT
Q605, 607
BUS BUFFER
IC102 (1/2)
28 SSI3_DI
65 BT-RXD (MD-CLK)
133 BT-TXD
5 BT-RESET
27 SSI3_DOUT3
32
SSI0_DO
33
SSI2_DO
DOUT0, DOUT2,
ARAGON-MCK
ARAGON-MCK
>003B
>004B
2
SO/SIO1
5
SI/SIO0
SERIAL FLASH
IC106
172 Q-Flash-SIO1
170 Q-Flash-SIO0
170 Q-Flash-SIO0
3
WP/SIO2
166 Q-Flash-SIO2
7
HOLD/SIO3
167 Q-Flash-SIO3
6
SCLK
168 Q-Flash-CLK
1
CS
169 Q-Flash-CS
2
SDA
6
SCL
EEPROM
IC105
126 CP-DATA
125 CP-CLK
125 CP-CLK
71 XTAL
70 EXTAL
X102
13.333MHz
68 RTC-X2
67 RTC-X1
X101
32.768kHz
92 AUDIO-X2
91 AUDIO-X1
X103
12.288MHz
ST
-CLK
ST
-CE
ST
-DA
TA
ST
-RDS
DOUT0
DOUT2
RESET
ARAGON-MCK
SIGNAL PATH
R-ch is omitted due to same as L-ch.
1 A
2 B
2 B
DIGITAL AUDIO SELECTOR
IC608
5
Y
6
SEL
10
LINEOUT
-SEL
(See Note 2)
(See Note 1)
R726
(Page 41)
(Page 40)
(Page 38)
(Page 38)
Ver. 1.1
Note 1: Deleted from the midway of production.
Note 2: Addition in the midway of production.
MHC-V5
MHC-V5
40
40
5-3. BLOCK DIAGRAM - AMP Section -
ARAGON-MCK
DOUT0
DOUT2
ARAGON-MCK
DOUT0, DOUT2,
ARAGON-MCK
ARAGON-MCK
>003B
2
7
DATA
VOUTL
8
VOUTR
1 BCK
3 LRCK
3 LRCK
16 SCK
D/A CONVERTER
IC611
2 DATA
8
VOUTR
1 BCK
3 LRCK
3 LRCK
16 SCK
D/A CONVERTER
IC615
SYSTEM CONTROLLER
IC101 (3/4)
29
SSI0_BCKO
30
SSI0_LRCKO
120
/AMP-RESET
131
/AMP-SD
96
/LINE-MUTE-FR
DAC LPF
IC612
PRE AMP
IC1015
MUTING
Q1035
MUTING
Q1033
MUTING
Q1042
DAC LPF
IC616
PRE AMP
IC1016
MUTING
CONTROL
Q109
136
AMP-CLK-FR
132
/DC-DET
3
14
IN–
HO
11
LO
13
VS
5 CSD
AUDIO AMP
IC1011
BOOSTER
Q1028
BOOSTER
Q1030
3
14
IN–
HO
11
LO
13
VS
5 CSD
AUDIO AMP
IC1009
BOOSTER
Q1023
BOOSTER
Q1025
3
14
IN–
HO
11
LO
13
VS
5 CSD
AUDIO AMP
IC1012
BOOSTER
Q1032
BOOSTER
Q1034
CLOCK
BAND PASS FILTER
IC1003
POWER ON/OFF
SWITCH
Q1031
SHUTDOWN
SWITCH
Q1058
POWER ON/OFF
SWITCH
Q1026
POWER ON/OFF
SWITCH
Q1036
RESET
SWITCH
Q1008
SP1
(MID)
(L-CH)
SP2
(TWEETER)
(L-CH)
SP3
(MID)
(R-CH)
SP4
(TWEETER)
(R-CH)
SP5
(SUBWOOFER)
FAN MOTOR
DRIVE
Q1059, 1062,
Q1065, 1069
D1061
OVER LAOD
DETECT
Q1027
OVER LAOD
DETECT
Q1037
DC DETECT
Q1060
M1
(FAN)
M
M
>005B
/AMP-RESET
: AUDIO
SIGNAL PATH
14 MUTE
14 MUTE
6
DAC-MUTE
R247
(See Note)
(Page 41)
(Page 39)
Ver. 1.1
Note: Deleted from the midway of production.
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