Block Diagram -Display Section - Sony CDX-GT730UI Service Manual

CDX-GT730UI/GT737UI/GT780UI
4-2. BLOCK DIAGRAM – DISPLAY Section –
RX
4
CN671
TX
FLASH 5
VDD
PROGRAMMING
6
FLASH+W
7
KEY
MATRIX
S701,902–907,
S909–918,
RE901 (2/2)
ROTARY
ENCODER
RE901 (1/2)
E,MX MODEL
J590
(REMOTE IN)
LED701,702
CDX-GT730UI/GT737UI/GT780UI
BU+3.3V
SYSTEM CONTROL
IC501 (2/2)
DSPL_IF 40
38 KEY_IN0
DSPL_TX 47
DSPL_RX 46
44 KEY_ACK1
FLD_ON 22
DSPL_RESET 41
9 RE-IN0
10 RE-IN1
BU+3.3V
FM(200K)
AM(10K)
S502
FREQUENCY AREA_SEL2
83
SELECT
FM(50K)
ILL_VOL 21
AM(9K)
FSW_IN 5
FL_ON 2
32 RC_IN1
39
RC_IN0
FSW_OUT 45
43 KEY_ACK0
12 X_OUT
X501
32.768kHz
11 X_IN
BATT
90 OSC_OUT
X502
7.92MHz
91 OSC_IN
1 NOSE_SW
S501
FRONT PANEL
DETACH DETECT DD_ON 78
USB_ON 77
4 DOOR_IND
USB_OVER 87
LED DRIVER
BATT
Q650,651
DOOR_SW
3
FL DISPLAY CONTROL,
LED CONTROL
IC901
MAIN
FLASH+W
B
LAT TA2 OUT
SECTION
(Page 21)
85 KEY_1
86 KEY_2
KEY_PUSH
78
FL_CLK_IN
FL_CLK_IN
FL_CLK_OUT
DSPL_CE
1 MAS_IF
DSPL_TX
29 SYS_SO GCP_TA0_OUT
DSPL_RX
30 SYS_SI
BK_TA1_OUT
GCP_TA4_IN
D650
7 CNVSS
10 RESET
FL_VDD+3.3V 2 VIN VOUT 1
RESET
11 XOUT
IC902 X901
8MHz
XIN
13 ILL_BLUE
1
ILL_GREEN
FL+3.3V REG
B.U+5V 5 4
FL_VDD+3.3V
IC650
ILL+10.4V REG
1 3 ILL+10.4V
PANEL+B
IC351
4
ILL+10.4V
POWER
FL POWER
CONTROL
CONTROL
BATT
Q351
Q854,855
FL POWER
CONTROL
Q853
FSW
CONTROL
Q856,857
USB POWER SWITCHING
SWITCH REGULATOR
Q801
DC-DC
USB POWER CONVERTER
CONTROL CONTROL
Q802 IC851,Q861
DC-DC CONVERTER
IC801
D851
FL POWER
1 RC DRV 6
CONTROL
(Page 17)
Q851,852
D905 D902 Q901
USB ON/OFF
CONTROL
S901
FRONT PANEL
OPEN DETECT
CD
MECHANISM
UNIT
(MG-101Z)
(2/2)
22 22
FL900
FLUORESCENT
INDICTOR TUBE
24 26
8
• FL_VDD+3.3V
30
FL_DAT1 33 24
7
FL_DAT2 22 23
• FL_VDD2+55V
31
45 22
FL_DAT3
21 25
1
I FL_F(–)
35
3
47
35
I
FL_F(+)
28 27
37
26
28
19
D926,
LED917–920
LED DIMMER
RING 98 CONTROL
Q905–907
ILL_RED 92
91
90
REMOTE CONTROL
SIRCS 2 3
SIGNAL RECEIVER
IC903
MAIN
STB DC–DC
A
SECTION CONVERTER
TRANSFORMER
(Page 21)
T850
BATT
5
6 CS VCC
SWITCHING
OUT
4 REGULATOR
Q858
IN 1
7 CT
D856
DC-DC CONVERTER
VOLTAGE
IC852
USB POWER
DETECT
CONTROL
Q859
IC802
USB
L810
+5V REG
2 IN
OUT 6
Q813
Q810
3 IN OUT 7
OUT 8
D811
VOLTAGE
DETECT
Q811,812
4 N
5 OC
USB SELECT SWITCH
IC904
3 2C
1A
1
7 1C
2A 5
USB D+ 2 1B
USB D– 6 2B
LED POWER
CONTROL ILL+10.4V
Q908,910
D927,
LED901–916
D924 D925
LED DRIVER
Q902–904
D858
FL_F(+)
FL_F(–)
D859
FL_VDD2+55V
VBUS
• Signal Path
: USB
• Abbreviation
MX: Mexican model
VBUS
1 CN902
D+
3
D–
2
4
(USB)