JVC LT-26DB1BU/AX Service Manual page 36

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