JVC LT-42HB1BU Service Manual page 39

MAIN PWB CIRCUIT DIAGRAM (17/46) [FRC [GPIO]]
1
A
+3V3DIG
L581
BLM18PG300SN1D
C582
Y581
74.175MHz/15p/+-50PPM 104p/16V/1005
1 4
NC VDD
OSC OSC
R598 101/1005
2 3 A11
GND OUT
B
MAIN PWB(6/46)
FRC_/RST
C
FRC_/RST : H FRC RESET
FRC_/RST : L FRC NORMAL OPERATION
FRC_MODESEL : H Douglas connection
FRC_MODESEL : L
MAIN PWB(7/46)
D
All location are from 581 to 600
1
2
+3V3DIG
+3V3DIG
+3V3DIG
R582
R581
OPEN-472/1005
OPEN-472/1005
R591
R583
R584
472/1005
U581A
472/1005
472/1005
KL5AMFC201B
MFC_SCL
A7
MS_SCL
MFC_SDA
A6
MS_SDA
A5
MODE[1]
A4
MODE[0]
A8
MODESEL
/RESET
A9
RST
C4 1
TP581 PCB_TP08
TEST[0]
B4 1
TEST[1] TP582 PCB_TP08
C5 1
TP583 PCB_TP08
TEST[2]
R590 OPEN-000/1005
A10
XCKI RESERVEDI
+3V3DIG
+3V3DIG
R585
472/1005
/RESET
R586
472/1005
S581
1 2
FRC_/RST R599 103/1005 Q581
1
MMBT4401
3 4
OPEN-JTP1127WEM
K-FRC connection
R588
103/1005
FRC_MODESEL
1
FRC_MODESEL
R597
472/1005
2
(No.YA707<Rev.001>)2-41
3 4
R600 220/1005
FRC_MODE1
R601 220/1005
FRC_MODE0
MAIN PWB ASS'Y(17/46)
[FRC [GPIO]]
HU-71100006
C583
104p/16V/1005
+5V
11
R587
10
472/1005
9
MFC_EEPROM_SEL
6
MFC_SCL_ROM
14
MFC_SDA_ROM
15
Q582 WP_EEPROM
4
MMBT4401
3 4
2-42(No.YA707<Rev.001>)
5
+3V3DIG
WP_EEPROM
MFC_SCL_ROM
MFC_SDA_ROM
MAIN PWB(7/46)
JP581
OPEN-53014-0410
1
2
3
4
+5V
C584
104p/16V/1005
U585
16
VCC
S1
FLI_SCL_0
12
FLI_SCL_0
S2 1Y0
MFC_SCL
13
MAIN PWB
S3 1Y1
(5/46),(6/46),(22/46),(40/46)
FLI_SDA_0
2
2Y0 FLI_SDA_0
MFC_SDA
1
E 2Y1
5
1Z 3Y0
3
2Z 3Y1
3Z
7
VEE
8
GND
HEF4053BT
5
6
C581 104p/16V/1005
U582
24LC64T-I/SN
8 1
VCC A0
7 2 A
WP A1
6 3
SCL A2
5 4
SDA VSS
1
2
JP582
OPEN-HEADER 2P
+3V3DIG
B
C592
104p/16V/1005
MFC_SCL_ROM
MFC_SDA_ROM
C
+3V3DIG
R589
472/1005
D
6
hb1_main_0612_15/48_0.0