Sony CDX-H910UI / CDX-HR910UI Service Manual ▷ View online
CDX-H910UI/HR910UI
CDX-H910UI/HR910UI
25
25
4-8. SCHEMATIC DIAGRAM – SUB Section –
D801
FB801
D802
LSW801(1/2)
C802
R802
R801
LSW801(2/2)
CN801
CN802
S802
LED801
(Page 22)
CDX-H910UI/HR910UI
CDX-H910UI/HR910UI
26
26
• IC Block Diagrams
IC301 TDA8588AJ/N2/R1/M5 (HR910UI) (MAIN Board (1/3))
IC301 TDA8588AJ/N2/R1 (H910UI) (MAIN Board (1/3))
IC301 TDA8588AJ/N2/R1 (H910UI) (MAIN Board (1/3))
IC601 BA8271F-E2 (MAIN Board (1/3))
IC401 BD3447FV-E2 (MAIN Board (2/3))
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT–FL–
OUT–FL+
OUT–RL–
OUT–RL+
IN–RL
S–GND
IN–RR
OUT–RR+
OUT–RR–
OUT–FR+
OUT–FR–
DIAG
ANT–REM
AMP–REM
SERVO–3.3V
MECHA–6V
VP
BU+B
I2C_SIO
I2C_SCK
VP2
P–GND1
SVR
IN–FL
IN–FR
BEEP
P–GND3
VP1
STB
P–GND4
RST
CRES
AUDIO+B(8.5V)
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
1
2
3
4
5
6
5
6
7
8
9
10
14
13
12
11
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS_ON
RST
BATT
CLK
VREF
GND
VCC
RST
BUS_IN
CLK_IN
BU_CHECK
BUS_IN
CLK_IN
BU_CHECK
DATA_IN
DATA_OUT
DATA_I/O
21
22
29
30
23
24
40
FIL
GND
I2C_SDA
I2C_SCL
OUT_FLCH
OUT_FRCH
OUT_RLCH
OUT_RRCH
OUT_SLCH
OUT_SRCH
SA_OUT
SA_DA
NCO
NCO
EBIAS
DS2-R
DS1-R
DS3-R
SA_CLK
39
38
37
VCC(8.5V)
36
27
28
25
26
31
32
33
34
35
20
19
12
11
18
17
1
BUS_LCH
BUS_RCH
TU_LCH
TU_RCH
CD_RCH
AUX_LCH
AUX_GND
AUX_RCH
NCO
NCO
NCO
ZAP_BEEP
NCO
ZAP_BEEP
EBIAS
DS2-L
DS1-L
DS3-L
NCO
2
3
4
CD_LCH
5
14
13
16
15
10
9
8
7
6
I2C BUS
LOGIC,
VCO
FADER
FADER
FADER
HPF
LPF
GND
ISO AMP
GND
ISO AMP
180
°/0°
3 BAND P-EQ (TONE CONTROL)
7 BAND
SPECTRUM ANALYZER
/LEVEL METER
EFFECT
VOLUME/MUTE
INPUT GAIN
INPUT SELECTOR (3 SIGLE-END AND 3 STEREO IS O)
FADER
FADER
SPEANA
LVL METER
LVL METER
SPEANA
GND
ISO AMP
GND
ISO AMP
GND
ISO AMP
GND
ISO AMP
CDX-H910UI/HR910UI
27
IC1 TEF6607T/V4/S470/M5,518 (HR910UI) (MAIN Board (2/3))
IC1 TEF6607T/V4/S470,518 (H910UI) (MAIN Board (2/3))
IC1 TEF6607T/V4/S470,518 (H910UI) (MAIN Board (2/3))
IC101 TDA7333013TR (HR910UI) (MAIN Board (2/3))
AMRFIN 1
AMRFDEC 2
FMIN2 3
FMIN1 4
LOUT 8
ROUT 9
MPXOUT 13
RSSI 14
XTAL2 15
XTAL1 16
GNDAUD 10
GNDRF 5
VCC2 6
AMRFAGC 7
AMIFAGC2 11
MPXIN 12
AMSELOUT2
32
AMSELOUT1
31
AMIFAGC1
30
AMSELIN2
29
PLL
25
VCODEC
24
VREF
20
SDA
19
SCL
18
GNDD
17
GND
23
AMSELIN1
28
TEST
27
PLLREF
26
VCC1
22
GREGSUP
21
AM
TUNER
FM
TUNER
OUTPUT
PLL
TUNING
SYSTEM
I2C BUS
POWER
SUPPLY
STEREO DECODER
HIGH CUT
SOFT MUTE
NOISE BLANKER
SIGNAL
IMPROVEMENT
CONTROL
BANDWIDTH
CONTROL
VDDA
INTERPOLATOR
RAM
BUFFER
&
CONTROL
LOGIC
TEST LOGIC
&
PIN MUX'S
I
2
C/SPI
INTERFACE
BAND PASS
FILTER
SIGMA DELTA
CONVERTER
SINC4
FILTER
REF3
REF2
REF1
VSS
VDDD
RESET
TM
1
MPX
16
CSN
SDAOUT
RDSREG
3
INTN
MPX
SINC4REG
SDAIN
SCK
SCK
SPI
TESTREG
TESTREG
14
2
3
4
5
6
7
8
INTN
15
SA
13
I2C_SDA
12
I2C_SCL
11
OSCILLATOR
XTO
10
XTI
9
RDS
DEMODULATOR &
SYNCHRONIZATION
2
CDX-H910UI/HR910UI
28
IC801 TPS40200DRG4 (MAIN Board (3/3))
IC802 TPS2051BDRG4 (MAIN Board (3/3))
IC803 TC7WH123FU(TE12R) (MAIN Board (3/3))
1
2
RC
GND
DRV
ISNS
VCC
SS
3
COMP
4
FB
SOFT-START
and
OVERCURRENT
ENABLE E/A
E/A and SS
REFERENCE
REFERENCE
700mV
7
8
6
5
UVLO
OSC
PWM
LOGIC
DRIVER
+
1
2
GND
/DC
IN
CHARGE
PUMP
3
IN
4
/EN
DRIVER
CURRENT
LIMIT
THERMAL
SENCE
UVLO
CS
8
7
7
5
6
OUT
OUT
OUT
OUT
OUT
8 VCC
7 Rx/Cx
6 Cx
CLR
5 Q
Q
Cx
Rx/Cx
1
A
2
B
3
CLR
4
GND
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