Haier 42EP25BAT - ANNEXE 685, Сервисная инструкция

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HAIER ATSC EX62 V2.0
Title
HDA008A_2.0
Size
B
Document Number
I2C,RS232,GPIO
Rev
A
Date: Tuesday, February 28, 2006 Sheet 20 of 24
-
5V_SB
I/O EXPANSION
C388 10uF
5V_1
LX_VCC_33 LX_VCC_33
C391 0.1uF
R88
R310 R311 R312 R313
R89
1K 330
U38
PCA9555DB
1 24
4.7K 4.7K 4.7K 4.7K R90 1K
11 LX_PG0
9555_A1 2
9555_A2 3
INT
A1
VDD
SDA
23 R317 33 SDA_MST
SDA_MST 5,6,9,11,16,18,21
22 R318 33 SCL_MST
SCL_MST 5,6,9,11,16,18,21
CON15
1
GND
CON16
1
GND
1 Q3
MMBT3904
4
4 SW1
9 SW2
5
A2
P00
P01
SCL
A0
P17
21 9555_A0
20
DISPEN 18
4 SW3
SW3 6
P02 P16
19
TUNER_AD_SW 9
SDA_SLV
SCL_SLV
2
SDA
3
SCL
SDA_MST
SCL_MST
2
SDA
3
SCL
SW4 1 Q2
MMBT3906
9 SW4
SW4 R2251 22 7
WATCHDOG 8
18 BKLT_PWR
9
P03
P04
P05
P15
P14
P13
18
17
16
AMP_FADE 9
POWER_SW 24
MUTE 9
LED_G 21
18 LCDPANEL_SW
10
P06 P12
15
SW5 9
For HiDTV Debug I2C For Other ICs Debug I2C
5 HDMI_HOTPLUG
11
P07 P11
14
SPDIF_SW 17
LX_VCC_33 LX_VCC_33
R87
1K
R86
330
12
VSS P10
13
HD_SW 4
ZD15
BAV99
3 SDA_SLV
ZD16
BAV99
3 SCL_SLV
ZD17
BAV99
3 SDA_MST
ZD18
BAV99
3 SCL_MST
1 Q13
MMBT3906
LED_R 21
CON44
1
2
3
4
4 HEADER
5V_1
LX_UART_RXD
LX_UART_TXD
5V_1
R327 4.7K 9555_A0
9555_A1
9555_A2
5V_1
Default I2C ADDRESS:
0x4E/4F
3.3V_SB
ZD19 ZD20
3 LX_UART_RXD 3 LX_UART_TXD
3.3V_SB
C380 10uF
U84 PIC12F629
SCL_MST 5,6,9,11,16,18,21
BAV99 BAV99 R94 C381 0.1uF 1
VDD
8
VSS
R2276 100
SDA_MST 5,6,9,11,16,18,21
1K WATCHDOG R2270 22 2
GP5/OSC1
7
GP0
RST_HD# 10,16,21 PWRBT 11,21
R124
R2271 100 3
GP4/OSC2 GP1
6 R2275 100
BTN_ADC 11,21
11,24 POWER_ON#
1 Q5
MMBT3904
3.3V_SB
R2273 22 4 5
GP3 GP2/INT
R2274 100
RESET
3.3V_S
6
B
,11,21 SCL_SLV 11
SDA_SLV 11
10K
11,21 INFRARED
R217
1K
Q17
1
MMBT3904
R218
1K
IR 21
R219
510
R220 1K
1 Q18
MMBT3904
RST# 5,9,21
LX_UART_RXD 4,11
LX_UART_TXD 4,11