Clarion VRX775VD Service Manual page 30

Main PWB 4/7(B1) section
TO MAIN 7/7
PAGE 33
T L403
REM3.3V
GND
A1
IC405
TC58FVM5B3ATG65
A2
R436
A1 A0
47K
A3 0V
A2 CE
A4 0V
A3 VSS
A5 0V
A4
OE
A6
A5 D0
CCT417
A7
A6 D8
A8 330X4
A7
D1
A18
A17 D9
A19
A18 D2
CCT418
3.3V
RY/ BY D10
330X4
3.3V
WP D3
NC(64) D11
3.3V 3.3V
C
VCC
RST
3.3V
D4
WE
CCT419
A21
A20 D12
330X4
A20
A19 D5
A9
A8 D13
A10
A9 D6
CCT420
A11
A10 D14
330X4
A12
A11 D7
A13
A12 D15
A14 0V
A13 VSS
A15 3.3V
A14 BYTE
A16 R463
A15 A16
47K
A17
TO MAIN 6/7
PAGE 32
S
ROM-R/B
/OSD-RST
OSD-INT
MA-OSD
D-IN
OSD-SCK
OSD-CS
SCS
OSD-MA
D-OUT
ROM-EN
HSY INH
TV
3.3Vp-p
3.3V
VCC
1A
3V
3.3V
1R/1C
1B
0V
3.3V
1CX
1CLR
3.3Vp-p
1Q
1Q
3.3Vp-p
2Q 2Q
0V 3.3V
2CX 2CLR
3V 3.3V
2B
2R/2C
0V 3.3Vp-p
GND 2A
IC402
SN74LV123APW
- 30 -
REM3.3V
L401
CCT416
CCT415
47KX4
47KX4
SCLK
0V
3.3V
0V
MOE
3.3V
MD0
C
C415 TP404
MD8
0.1
A1
MD1
A2
MD9
A3
MD2
A4
MD10
A5
MD3
CCT411
MD11
C434 330X4
A6
0.1
A7
MD4
A8
MD12
A9
MD5
A10
MD13
C418
A11
MD6 0.1
CCT412
MD14
C
330X4
MD7
A12
MD15
A13
A14
A15
A16
A17
CCT414
330X4
A18
A19
A20
RESET
A21
R433 330
0V
TP414
INT C425 0V
TP415
0.1
3.3V
D-IN
C
SCK 0V
SCS
VSS
D-OUT
R435 R464
3.3V
47K 330
R456 47K
R437
VDD
HSY INH
R484
47K
LCD-HSY
0V
TV A
3.3Vp-p
3.3Vp-p
VR401
3.3V
VCC
VR2.2K
IC403
R402
VR401 SN74AHC2G53
1K
VRX775VD
VRX776VD
VDD
SER
RESET
VSS
VDD
0V
MA0
3.3Vp-p
MA1
3.3Vp-p
MA2
3.3Vp-p
MA3
3.3Vp-p
MA4
3.3Vp-p
MA5
VSS 0V
3.3Vp-p
MA6
3.3Vp-p
MA7
3.3Vp-p
MA8
3.3Vp-p
MA9
3.3Vp-p
MA10
IC401
3.3Vp-p
MA11
YGV629
VDD 3.3V
VSS 0V
3.3Vp-p
MA12
3.3Vp-p
MA13
3.3Vp-p
MA14
3.3Vp-p
MA15
3.3Vp-p
MA16
3.3Vp-p
MA17
0V
VSS
3.3Vp-p
MA18
3.3Vp-p
MA19
3.3Vp-p
MA20
3.3Vp-p
MA21
MA22
MA23
MA24
VDD
330
ROM-EN
LCD-HSY
L407
TP329
0V
GND
0V
TP421
GND
3.3V
INH
3.3V
COM
L402
4.7u
R414
C409
2.7K
0.1
C
NC
X401
0V
VSS
9.5979MHz
3.3Vp-p XOUT
R423 1M
3.3Vp-p
XIN
C416 0.1
3.3V
VDD C
3.3Vp-p DOTCLK
3.3Vp-p BLANK
HCSYNC
3.3Vp-p
TP409
3.3Vp-p VSYNC
YS
3.3Vp-p
R426
3.3Vp-p FSC
220
0V
VSS
DB5
DB4
DB3
DB2
C417
DB1
0.1
C
DB0
3.3V
VDD
0V
VSS
DG5
DG4
DG3
DG2
C421
DG1
0.1
C
DG0
3.3V
VDD
0V
VSS
DR5
DR4
C
DR3 C426
0.1
DR2
DR1
DR0
0V
VSS
3.3V
VDD
C427
0.1
C
C
C428
10UF
Q401
6.3V
HN1C01FU
0.3V
R450 10K
TO MAIN 5/7
PAGE 31
R
OSD-HSY
OSD-YS
OSD-RGB
LCD-HSY
TO MAIN 3/7
PAGE 29
O
LCD-VSY