Read Sony CDX-H910UI / CDX-HR910UI Service Manual online
CDX-H910UI/HR910UI
CDX-H910UI/HR910UI
18
18
4-1. BLOCK DIAGRAM – MAIN Section –
1
2
2
5
6
6
33
J901 (1/2)
BUS-RCH
BUS_LCH
OUT_RLCH
32
OUT_RRCH
INPUT SELECT/
ELECTRONIC VOLUME
IC401
SYSTEM CONTROL
IC501 (1/2)
POWER AMP/MULTIPLE
REGULATOR
IC301
BUS INTERFACE
IC601
BUS_RCH
CD_LCH
CD_RCH
CD_RCH
AUX_LCH
AUX_RCH
AUX_RCH
TU_LCH
TU_RCH
TU_RCH
ZAP_BEEP
BUS-RCH
L
R
BUS
AUDIO
IN
CD
MECHANISM
UNIT
(MG-101Z)
(1/2)
L
R
AUX
IN
CD-RCH
CD-RCH
VBUS_ON
CD_ON
CDM_ON
Z_MUTE
EJECT_OK
SYS_RST
BU_CHK
WAKE_UP
MC_TX
MC_RX
AU_LCH
AU_RCH
AU_ATT
VBUS_ON
CD_ON
CDM_ON
Z_MUTE
EJECT_OK
SYS_RST
BU_CHECK
WAKE_UP
RXD (MC-BUS)
TXD (MC-BUS)
DR_6V
MECHA+6V
BU_3.3V
A_3.3V
7
9
9
AUX-RCH
3
4
4
TU-RCH
BU+3.3V
AUX-RCH
TU-RCH
SERVO+3.3V
13
∙
16
CD MUTE
DRIVE
Q201
D202
MUTE DRIVE
Q906, 907
BATTERY
CHECK/
PROTECT
Q601
MUTE
Q901
RDS POWER
SWITCH
Q101, 102
35
OUT_FLCH
34
OUT_FRCH
31
OUT_SLCH
38
I2C_SIO
5
OUT-FL+
3
OUT-FL–
9
OUT-RL+
7
OUT-RL–
29
AMP-REM
R-CH
27
ANT-REM
35
VP
BATT
20
VP1
6
VP2
31
SERVO-3.3V
33
MECHA-6V
30
AUDIO+B (8.5V)
37
BU+B
34
PANEL+B
38
SA_IN
71
SA_OUT
SA_OUT
SCL
SDA
SCL
SDA
SCL
SDA
SA_DA
72
SA_CLK
SA_CLK
23
I2C_SCK
22
I2C_SIO
27
ATT
97
BEEP
68
AMP_STB
69
DIAG
25
ACC_IN
63
ILL_IN
26
TEL_ATT
28
BUS_ON
20
UNICKO
1
BUS_ON
6
DATA_I/O
4
6
5
4
3
8
7
2
1
CLK
3
BATT
BATT
2
RST
83
BU_CHECK
18
UNISI
19
UNISO
29
SYA_RST
BU_CHK
SYS_RST
37
I2C_SCK
28
SA_DA
29
SA_OUT
27
SA_CLK
SA_DA
SA_OUT
SA_CLK
L
R
L
R
L
R
AUDIO OUT
REAR
AUDIO OUT
FRONT
SUB OUT
(MONO)
CN701
8
LOUT
9
ROUT
SDA
SCL
18
SCL
14
RSSI
19
SDA
SCL
SCL
SDA
SDA
5
I2C_SIO
6
I2C_SCK
12
MPXIN
13
MPXOUT
12
SDA
15
INTN
1
VDDA
7
VDDD
11
SCL
MPX
16
XTO
BU+3.3V
10
XTI
9
RDS_ON
76
DAVN
84
VSM
37
RST
13
DATA_IN
RESET
DOOR_SW
BU+3.3V
BU+5V
SYS_RST
MC_TX
MC_RX
MC_TX
MC_RX
MC_TX
MC_RX
MC_RX
9
DATA_OUT
8
BU_CHECK
10
CLK_IN
11
BUS_IN
BATT
J601
J901 (2/2)
BUS
CONTROL IN
TH601
D606
D707
FU601
D502
D607
12
MC_RX
59
MC_TX
MC_RX
MC_TX
60
V-BUS_ON
VBUS_ON
88
WAKE_UP
WAKE_UP
58
EJECT_OK
70
Z_MUTE
62
CD_ON
30
CDM_ON
EJECT_OK
Z_MUTE
CD_ON
CDM_ON
31
ZAPPIN_BEEP
98
I2C_SIO
BATT
D901
2
I2C_SCK
4
IN-FL
12
IN-RL
11
AC_GND
AUDIO+8.3V
16
STB
22
DIAG
TEL ATT
ILL
ACC
BATT
ANT-REM
AMP-REM
RR–
RR+
FR–
FR+
RL–
RL+
FL–
FL+
25
CD_MUTE
75
X101
8.664MHz
RDS RECEIVER
IC101
HR910UI
D201
D504
EEPROM
IC502
FM/MW FRONT END
IC1
XTAL1
16
AMRFIN
1
FMIN1
4
FMIN2
3
XTAL2
15
X1
4MHz
J1
(ANTENNA)
L6
MUTE
Q903
MUTE
Q905
DISPLAY
SECTION
A
DISPLAY
SECTION
B
1
9
9
2
10
16
7
14
13
5
4
12
3
11
6
+3.3V REG.
IC302
• Signal Path
• R-CH is omitted due to same as L-CH.
: USB
: CD PLAY
: FM
: AM or MW/LW
: AUX
: BUS AUDIO
TELEPHONE ATTENUATE
CHECK
Q701
ILLUMINATION CHECK
Q702
ACCESSORY CHECK
Q703
BU+5V
SERVO+3.3V
MECHA+6V
ILL+10V
SERVO+3.3V
MECHA+6V
ILL+10V
R-CH
(REAR)
R-CH
(FRONT)
R-CH
(REAR)
R-CH
(FRONT)
(Page 19)
(Page 19)
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