Hitachi L42X02A, Service Manual

Page: 35 / 64

MCU CIRCUIT DIAGRAM
3
5
RESET#
MCU_RST
MCU_TXD2
MCU_VGA_SDA MCU_VGA_SCL
MCU_RST
LIGHT_SENSOR BTN_ADC1
LED_R
LED_GLED_G
MCU_RXD2
LUMP_R
LED_R LED_G
LUMP_G
BTN_ADC1
MCU_TXD2 MCU_RXD2
MCU_TXD1 MCU_RXD1
LOGO_ON_H
LOGO_ON_H
LUM P_B
LED_BLUE
IR_5V
IR
MCU_VGA_SCL
MCU_VGA_SDA
MCU_IR
LED_BLUE
MCU_IR
3VSB
HP_VCC_33
HP_VCC_33
3VSB
3VSB
3VSB
3VSB
5VSB
3VSB
3VSB
5VSB
5VSB
12VSC
PC_HSIN
1,11
PC_VSIN
1,11
MCU_VGA_SCL
11
MCU_VGA_SDA
11
HDMI_CEC
3,13
MCU_TXD1
3
MCU_RXD1
3
A_MUTE
1,15
BRT_PWM
3,10
HDMI_HPD
3,14
BKLT_CNTL
3,10
LVDS_PWR
3,10
POWER_ON#
1,19
MCU_SCL
14
MCU_SDA
14
RESET#
1,8,16,20
VCCH_RST#
1
HP_WDOG
1
AV_SW1
16
AV_SW2
16
AFT
1,17
LED_R
3
LED_G
3
BTN_ADC1
1
MCU_RXD2
9
MCU_TXD2
9
RESET#
1,8,16,20
INT_OUT_P
20
D1_P
20
D2_P
20
D3_P
20
D4_P
20
2
3
1
TV_KEY
MODIFY
FOR DEBUG MCU
added RV88,RV87 in debug, delete in mass production,20080117
added CON34,20080117
ADDED NETS: D1_P,D2_P,D3_P,D4_P,D5_P, INT_IN_P,INT_OUT_P,20080121
added 20080123
added 20080125
0428
0428
R277
33
R277
33
R279
33_DNS
R279
33_DNS
1 2 3
CNE2
CON5
CNE2
CON5
R8899
33_DNS
R8899
33_DNS
R257
33
R257
33
R287 4.7K R287 4.7K
R258
100
R258
100
R259
100
R259
100
R312 220 R312 220
R261
33
R261
33
R290 100K R290 100K
R858
33
R858
33
R282 4.7K R282 4.7K
1 2 RV87 AVRL161A1R1NTA-GP RV87 AVRL161A1R1NTA-GP
R897
100
R897
100
R264
33
R264
33
R305 4.7K R305 4.7K
Q16
MMBT3906
Q16
MMBT3906
R344 4.7K R344 4.7K
C317
22pF
C317
22pF
R316
100K
R316
100K
1 2
RV88
AVRL161A1R1NTA-GP
RV88
AVRL161A1R1NTA-GP
R255
100
R255
100
R856
4.7K
R856
4.7K
1 2 3 4
CON34 TJC3_4 CON34 TJC3_4
R899 4.7K R899 4.7K
R315 4.7K R315 4.7K
R256
33
R256
33
R284
33
R284
33
R268
33_DNS
R268
33_DNS
Q28 MMBT3906 Q28 MMBT3906
R252 4.7K R252 4.7K
R271
33
R271
33
GND
1
RESET#
2
VCC
3
U26 AP1701FW_DNS U26 AP1701FW_DNS
R280
33_NC
R280
33_NC
1 2 3
CON1 TJC3_4 CON1 TJC3_4
R309
4.7K
R309
4.7K
R275
33
R275
33
R10 4.7K R10 4.7K
R283 4.7K R283 4.7K
R314
100
R314
100
R272
33
R272
33
Q18
MMBT3906
Q18
MMBT3906
R260
33
R260
33
R253 4.7K R253 4.7K
DSCL1
21
GPIOA5/DSDA2
22
GPIOA4/DSCL2
23
GPIOA3/P03
24
GPIOA2/P02
25
GPIOA1/P01
26
GPIOB6/SSDA
5
GPIOB5/SSCL
6
GPIOB4/P05
7
GPIOB3/P04
8
GPIOB2/IR
9
GPIOB1/IRQ3
10
GPIOB0/IRQ2
11
GPIOD0/HIN1
35
GPIOE7/VIN1
36
OSCO
3
GPIOC7/P17/IRQ1
12
GPIOC6/P16/IRQ0
13
GPIOC5/P15/TXD1
14
GPIOC4/P14/RXD1
15
NRST
43
GPIOC3/AD3
16
GPIOC2/AD2
17
GPIOC1/AD1
18
GPIOC0/AD0
19
GPIOD7/RXD2
28
GPIOD6/TXD2
29
GPIOD5/P13
30
GPIOD4/P12
31
GPIOD3/P11
32
GPIOD1/HIN2
34
GPIOD2/P10
33
GPIOE3/LPWM
40
GPIOE4/P06
39
GPIOA0/P00
27
GPIOE5/P07
38
OSCI
4
GPIOE0
44
DSDA1
20
GPIOE6/VIN2
37
GPIOE1/PWM0
42
GPIOE2/PWM1
41
GND
2
VDD33V
1
U23
61P7RN440WT_LQFP
U23
61P7RN440WT_LQFP
1 2 RV89 AVRL161A1R1NTA-GP RV89 AVRL161A1R1NTA-GP
1 2
RV13
AVRL161A1R1NTA-GP
RV13
AVRL161A1R1NTA-GP
R343 4.7K R343 4.7K
R269
33
R269
33
R11 4.7K R11 4.7K
R267
33
R267
33
1 2 RV2 AVRL161A1R1NTA-GP RV2 AVRL161A1R1NTA-GP
1
2
FB25
150_Ohm_600mA
FB25
150_Ohm_600mA
+
C315
47uF/16V
+
C315
47uF/16V
R250
33
R250
33
R262
33_DNS
R262
33_DNS
1 2
RV90
AVRL161A1R1NTA-GP
RV90
AVRL161A1R1NTA-GP
R278
33
R278
33
Y6 12MHz Y6 12MHz
R273
33
R273
33
C324
0.1uF_DNS
C324
0.1uF_DNS
1 2
RV1
AVRL161A1R1NTA-GP
RV1
AVRL161A1R1NTA-GP
R342 4.7K R342 4.7K
R300
100K_DNS
R300
100K_DNS
C316
0.1uF
C316
0.1uF
R281
33
R281
33
R852
33
R852
33
R265
33
R265
33
R306 100R R306 100R
C323
0.1uF
C323
0.1uF
R304 4.7K_N C R304 4.7K_N C
R270
33
R270
33
D14 1N4148 D14 1N4148
R298
100_DNS
R298
100_DNS
C3 100pF C3 100pF
C320
22pF
C320
22pF
R263
33
R263
33
R288
100
R288
100
R295 4.7K_DNS R295 4.7K_DNS
C1000 100pF C1000 100pF
1 2 3 4
CON33 TJC3_4 CON33 TJC3_4
R254 4.7K R254 4.7K
R17 4.7K R17 4.7K
R249 4.7K R249 4.7K
GND
1
RESET#
2
VCC
3
U24 AP1701FW U24 AP1701FW
R266
33_DNS
R266
33_DNS
1
3 2
Q503
MMBT3904
Q503
MMBT3904
R307
220
R307
220
R346 4.7K R346 4.7K
R276
33_NC
R276
33_NC
R251
33
R251
33
1 2 3 4 5 6
CNE1
CON5
CNE1
CON5
C4 0.1uF C4 0.1uF
R859
33
R859
33
R898 4.7K R898 4.7K
R308 4.7K R308 4.7K
R274
33
R274
33