JVC LT-26DB1BU/AX, Service Manual

Page: 36 / 65

2-16(No.YA698<Rev.001>) (No.YA698<Rev.001>)2-15
MAIN PWB ASS'Y (5/28)
[MICRO CTRL]
HU-71100005
lt-26_32db1bu_0514_3/30_0.0
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
MOD1_ID MOD2_ID
M_RST_N
MOD2_ID
INT_OUT
MOD1_ID
M_RST_N
KEY_ADC2
KEY_ADC1
MISO
SCK
MOSI
RESETn
MOSI
RESETn
SCK
MISO
RESETn
M_SDA
M_SCL
INT_OUT
MOD3_ID
MOD3_ID
+5VSTB +5VSTB
+5VSTB
+3V3_A
+5VSTB +5VSTB
+3V3_A
+5VSTB
+5VSTB +5VSTB
+5VSTB
+5VSTB
+5VSTB +5VSTB
+5VSTB
+5VSTB
Scart_Mute
SPI_DIO
LED_R
LED_B
FLI_SDA1
KEY_ADC2
IR_IN
STBY_EN
KEY_ADC1
A_RESET
AC_DETECT
CEC_A
TA
RA
SPI_STR
M_SDA
SPI_CLK
M_SCL
AM_LED_Ctrl
FLI_SCL1
FLI_INT
Alarm_LED_Ctrl
LPM_RST_N
PM_LED_Ctrl
CEC_O
CDS_OUT
All location are from 81 to 110
System Reset
L : Normal
H : Reset
Address:0xAA
R89 330/1005
R101
102/1005
R92 000/1005
JP81
HPH-DS06-02
1 2
3 4
5 6
R107
103/1005
U81
KIA7042AF
VCC
1
GND
2
OUT
3
GND
4
C93
OPEN-160p/1005
C89
200p/50V/1005
R94 101/1005
R88
272/1005
R90 330/1005
S81
OPEN-JTP1127WEM
1 2
3 4
R83
OPEN_103/1005
C86
104p/16V/1005
C90
104p/16V/1005
Y81
16MHZ/20pF/SMD
1 2
R97 162/1005
R82
101/1005
R103
183/F/1005
R102 103/1005
C91
104p/16V/1005
C85
104p/16V/1005
C83
106p/16V/2012
Q83
MMBT4401
1
23
R129
103/1005
R96 000/1005
R98 162/1005
C81
104p/16V/1005
R100
103/1005
Y82
Open_32.768kHz/12.5pF/SMD
4
4
1
1
2
2
3
3
Q82
FDV301N_NL
1
3 2
R110
OPEN-103/1005
Q81
FDV301N_NL
1
3 2
R105
OPEN-103/1005
C87
OPEN-103p/50V/1005
R84 101/1005
C82
104p/16V/1005
R91 101/1005
R99
103/1005
R81
103/1005
C84
104p/16V/1005
U82
ATMEGA324P-20AU
(ADC0) PA0
37
(ADC1) PA1
36
(ADC2) PA2
35
(ADC3) PA3
34
(ADC4) PA4
33
(ADC5) PA5
32
(ADC6) PA6
31
(ADC7) PA7
30
(SCL) PC0
19
(SDA) PC1
20
(TCK) PC2
21
(TMS) PC3
22
(TDO) PC4
23
(TDI) PC5
24
(TOSC1) PC6
25
(TOSC2) PC7
26
PB0 (XCK/T0)
40
PB1 (T1)
41
PB2 (AIN0/INT2)
42
PB3 (AIN1/OC0)
43
PB4 (SS)
44
PB5 (MOSI)
1
PB6 (MISO)
2
PB7 (SCK)
3
PD0 (RXD)
9
PD1 (TXD)
10
PD2 (INT0)
11
PD3 (INT1)
12
PD4 (OC1B)
13
PD5 (OC1A)
14
PD6 (ICP)
15
PD7 (OC2)
16
XTAL2
7
XTAL1
8
AREF
29
AVCC
27
RESETn
4
VCC1
5
VCC2
17
VCC3
38
GND1
6
GND2
18
GND3
28
GND4
39
R104
103/1005
C88
200p/50V/1005
R95 101/1005
R87
272/1005
R106
OPEN-103/1005
C92
OPEN-160p/1005
R93
OPEN_103/1005
MAIN PWB (3/28)
MAIN PWB (3/28)
MAIN PWB (23/28)
MAIN PWB (16/28), (18/28)
MAIN PWB (18/28)
MAIN PWB (3/28)
MAIN PWB (19/28)
MAIN PWB
(3/28)
MAIN PWB
(15/28)
MAIN PWB (6/28),(16/28),(22/28)
MAIN PWB
(3/28),(19/28),(22/28)
MAIN PWB (22/28)
MAIN PWB (3/28)
MAIN PWB
(6/28)
MAIN PWB CIRCUIT DIAGRAM (5/28) [MICRO CTRL]