JVC LT-42DA9BN Service Manual page 44

MAIN PWB CIRCUIT DIAGRAM (21/22) [MICRO CTRL(ATmega324)]
5
U800
+5VSTB +5VSTB
KIA7042AF
D
R801
103/1005
C801
105p/1005
C800
104p/1005
VSUB5, VSUB8 DELAY PORT
C
MAIN PWB(11/22),(12/22,(13/22))
MAIN PWB(2/22)
MAIN PWB(18/22)
MAIN PWB(18/22)
MAIN PWB(18/22) SPI_SCL
IR_SCART_TV
MAIN PWB(19/22)
R804
SPI_CS
IR_IN
MAIN PWB(18/22)
R819
SPI_SDA
B
R812
R813 103/1005
OPEN-103/1005
R816
103/1005
1
MAIN PWB(3/22)
VCTP_FAIL
A
All location are from 800 to 839
5
4
RESETn System Reset
106p/2012
S800
OPEN-DHT-1105TABF
+5VSTB
+5VSTB
5
VCC1
R803 17
VCC2
OPEN_103/1005 38
VCC3
40
PB0 (XCK/T0)
41
PB1 (T1)
R807 OPEN_000/1005 42
CEC_A
PB2 (AIN0/INT2)
43
MSP_ENABLE
PB3 (AIN1/OC0)
44
STBY_EN PB4 (SS)
MOSI
1
PB5 (MOSI)
MISO
2
PB6 (MISO)
SCK_0
3
PB7 (SCK)
uCOM_UARXD R821 000/1005 9
RA1
PD0 (RXD)
uCOM_UATXD R822 000/1005 10
TA1 PD1 (TXD)
VCTP_FAIL_IN 11
PD2 (INT0)
R818 OPEN_101/1005 12
PD3 (INT1)
R827 000/1005
13
PD4 (OC1B)
OPEN_101/1005 14
PD5 (OC1A)
R820 000/1005 15
PD6 (ICP)
OPEN_101/1005
16
PD7 (OC2)
6
GND1
18
GND2
28
GND3
39
GND4
ATMEGA324P-20AU
+5VSTB
VCTP_FAIL_IN
Q803
KST4401
4
(No.YA608<Rev.001>)2-47
3
+5VSTB
C802 C803 C804 C805 MISO
104p/1005 104p/1005 104p/1005 SCK_0
RESETn
+5VSTB
27
AVCC
37
KEY_ADC2
(ADC0) PA0
36
KEY_ADC1
(ADC1) PA1
35
(ADC2) PA2
34
LED_R
(ADC3) PA3
33 1 8
SPI_DAT0
(ADC4) PA4
32 2 7
SPI_DAT1
(ADC5) PA5
31 3 6
SPI_DAT2
(ADC6) PA6
PR800
30 4 5
(ADC7) PA7 SPI_DAT3
OPEN_101*4/1005
29
AREF
SCL_STB
19
(SCL) PC0
SDA_STB
20
(SDA) PC1
21 VCTP_INT
(TCK) PC2
22
(TMS) PC3
23 R802 OPEN_101/1005
(TDO) PC4
24 MUTE_0 R809 OPEN_000/1005
MUTE_CTRL
(TDI) PC5
BLT R810 OPEN_000/1005
25
BLT_EN
(TOSC1) PC6
26 R811 101/1005
AC_DETECT
(TOSC2) PC7
RESETn
4
RESETn
R814 101/1005
7
XTAL2
8
XTAL1
Y800
16MHZ/20pF/SMD
2 1
U801
C809 C810
180p/1005 180p/1005
3
2-48(No.YA608<Rev.001>)
2
+5VSTB
JP800
1 2
MOSI
3 4
5 6
HPH-DS06-02
+5VSTB
+3V3D
MAIN
PWB
R805 R806
(18/22)
472/1005 472/1005
Q802
FDV301N_NL
3 2
VCTP_SCL_3V3
3 2
VCTP_SDA_3V3
MAIN PWB(3/22)
VCTP_INT
Q800
MAIN PWB(18/22)
SPI_RST
FDV301N_NL
MAIN PWB(3/22),(15/22)
MAIN PWB(3/22),(16/22)
MAIN PWB(15/22),(18/22)
+5VSTB
R815 162/1005 KEY_ADC2
R817 162/1005 KEY_ADC1
C807 C808
104p/1005 104p/1005
MAIN PWB ASS'Y (21/22)
[MICRO CTRL(ATmega324)]
HU-71200010
2
1
D
C
MAIN PWB
(1/22),(3/22),(6/22),(13/22)
B
A
1
lt-32da9bj_scaler-21_0602_21/23_0.0