tlm37v88p系列1691主板電路原理圖

1234656

BL-

LOW

TOInverter

BL-98 98

C409

32.7KR3993

R439R401

33

33

22

LOW

122

PM_CTL

R4023ON_PBACKON_PBKR405NC

33904V203

1KBL-

L6

L8NC/3216L93216

2R402

L51224 4

VCC-

C414C414

BRI

R4371KBL- 55

667788

9393

L82NC/3216

10K10K

1 21 23

1

2323

22

1212

F

22

GND_CPU

11

VCC

40P- DM3

S

I2C_SCLI2C_SDA

4 DP36 DP28 DM210 DP112 DM1

232

6556 3IR-

IR-

14 ML_OUT16 PB_OUT18 GND20 COM_PB22 COM_Y24 GND26 RXD28 POWER_USB30 GPIO232 SDA134 ID36 VCC5V38 GND

USB_Pb_SC1_B KEY-IN100

R288R28710uFNC/4.7kNC/4.7k10uF

8 VC

R89R290R291NC100NC/4.7k

11

3212111

11

113KEY-3IR-

R_LED100IR-in_USB100

7 P56

100R

100R

NC/0R

POWER-KEY

LED_CTLPowerPowerforL71FB/32VCC-N591 D12 D2L733 D34 D4ON_PANEL1、液晶屏供電選擇控制、背光亮度開關、USB供電及亮度調(diào)整、小CPU部分電STB3.3VFOR4+3.3Vstb4

MAIN3.3VFORMST6M16GSL48=FB,U6=NC44 12 123

23adDDRAM23

11

44

12123

5V

74

溫升

0.1uF4.7uF0.1uF4.7uF10uF0.1uF

Pin166,

FRuseDDR,+2.6VMmustbe2.6VFORuseSDRAM,+2.6VMmustbe3.3V+3.3Vstbfor

+3.3Vstb

+3.3AVDDfor

Pin195,Pin202,Pin222 34C435C4C4400.10.1uF0.1uF0.1u

+2.6VforPin138,Pin14,Pin39,

3.3Vstb

3

AV

C436C437

C445C446C447C448C449C450

0.1uF0.1uF0.1uF0.1uF0.1uF0.1uFForstandbyread1.26VFOR6E16JSCORE

L11

5VL10

C4554.7uFR415

U9

VCC-1,3PM_CTLPM_CTL0.1uF0.1uF

2

SWBS

10uF0.1uF0.110uF0.1uF0.1uF4GNDCOMP6

+NC/102NC/10210uF VCC-

1.32V>VDDC>16V,最好

C471C472C473C474C475PIN1.26V0.1uF0.1uF0.1uF0.1uF0.1uFPin98,Pin09,PinPin209,注意：L7電流要大，直流電阻要小保證VDDCMST6M19GL的電壓2、MST6E16GS系統(tǒng)供電、電壓變換部分

SPIDF

5V-

5V-

5V-

AD[0-2]Not5V-

SAR0

Not5V-

Not5V-

Not5V-

[0-2]Not5

FlashWP0,

3、 匹配網(wǎng)絡、E2PROM、FLASH、 器部分電 DATA2+

2-RX2

DATA2SHIELDDATA2-DATA1+

2-RX2-VD82-RX1VD9

24C02=>EDIDcode

2- 2-

A-RX2DATA1SHIELD

2-RX1-

beupto256byte

2-

A-RX2

DAT1A-DATA0+

2-RX0

2- 2-

A- A-89GND3DATA09

2-RX0-

2- 2-

IA-HDMRX0

CLK+CLKSHIELDCLK-

2-RXC2-RXC-

2-RXC-

AXCARXC-A-DDC-SCLCECNCSCLSDADDC/CECGND+5VPOWERHOTPLUG

1/5V2

2-

3

R9310K

8 NC7 NC

A-DDC-SD

2323

12111211

22VD1622

6 NC5 GND R169

A_HPDCTRLDATA2+DATA2SHIELDDATA2-GND1DATA1+DATA1SHIELDGND2DAT1A-DATA0+

1-RX21-RX2-1-RX11-RX1-1-RX0

24C02=>EDIDcodemustbeupto256bytespace,

1-RX21-RX2-1-RX1 1-

B-RX2B-RX2-B-RX1B-RX1-B-RX0B-RX0-B-RXC

i

C-

B-RXC-DATA0-

1-RX0-

HDDDC-

B-DDC-SCLGND4CLK+CLKSHIELDCLK-

1-RXC1-RXC-

B-DDC-SDAGND5CECNCSCLSDADDC/CECGND+5VPOWERHOTPLUG

2/5V

2

R124

24

ForCECLeakage

1-

10K2222

876

NCGND

MustbestandbyMustbe2323

121121

R339

NPAQ_V1B-HPDRLNPAQ_V1

NC

22

1 1

_CEC4 接口 匹配網(wǎng)絡部分電PC

HDTV2

SCART1RGB

HDTV1&AV1

HDTV

5、VGA、PbPr接口 匹配網(wǎng)絡部分電AV

AV1DMP

AV2

1

Near

NearRCA.

GAINSWTV下是AV

6、AV、S端子接口、伴音切換、AV輸出 匹配網(wǎng)絡部分電5Vand12Vfor

5V-

B

3 3

2322

NC2

3131

39041S

SW

SAWOUT2 0

5V-

12123456789

47

I2C_SDAI2C_SCL

R95

33

0

C299C226C2342.2uF0.1uF

CA21C238CA13C230 22pF22pF

5V-

33

622K

12

SAWOUT233

0 0VIFM

4.7K

22

23 23

VIF_SW TATA

R376

1

OUT

33

7 、聲表面濾波及制式轉(zhuǎn)換控制部分電PowerOn12VR806

Z131 3

R807NC/0R

R860NC/0RVCC-

R808NC22

NC/0RVCC-

R85922KVCC- R810NC

R813

R858NC/0

1 1

11

NC/100KNC/10uF

F

11

XS2751243

VD229NC/1N4148

3PowerOff

LOW:shutHH:OPERA

R87120

+C657100uF/16V+R831

+

HIGHMUTELOW:OPRATING

VCC-

ME_AMPR835100K4747 38

0.22uF/25V0.22uF/25V

AMP-L

1

GND

VCC-

NCAM

1uF/25V21uF/25V3

PVCCRPVCCR

C672

AP-R

4

PGNDR

1uF/25VAMP-LC666

AMP-LINC663

22

AM-

1uF/25V51uF/25V6

PGNDRVCLAMPR

C6771uF/25VC678

24 4 C670

8D

16

VCLAMPLPGNDLPGNDLPVCCLPVCCLGND