Read Sony CDX-H910UI / CDX-HR910UI Service Manual online
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
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