AOC LC27H030 Schematic

JC279ET61S Service Manual

TABLE OF CONTENTS

1. PRECAUTION AND NOTICES------------------------------------------ -- - ---- - ----------------------------------- 1

1.1. SAFETY PRECAUTIONS ----------------------------------------------------------------------------------------1

1.2. PRODUCT SAFETY NOTICE ------------------------------------------------------------------------ --- ---- - --- 1

1.3. SERVICE NOTES--------------------------------------------------------------------------------------------------1

SERVICE TOOL & EQUIPMENT REQUIRED

2.

3. SPECIFICATIONS----------------------------------------------------------------------------------------------------- 2~4

PRODUCT SPECIFICATIONS

3.1.

FACTORY SUPPORTING MODES

3.2.

3.3. D-SUB CONNECTOR --------------------------------------------------------------------------------------------4

3.4. HDMI CONNECTOR ---------------------------------------------------------------------------------------------4

4. EXPLODED VIEW AND PARTS LIST ------- - --- -- --- -- - ---- - --------------------------------------------------- 5~6

4.1. EXPLODED VIEW------------------------------------------------------------------------------------------------ 5

4.2. EXPLODED VIEW PARTS LIST--------------------------------------------------------------------------------6

5. BLOCK DIAGRAM----------------------------------------------------------------------------------------------------7

6. SCHEMATIC DIAGRAM --------------------------------------------------------------------------------------------8~18

6.1. Power----------------------------------------------------------------------------------------------------------------8

6.2. HDMI Interface---------------------------------------------------------------------------------------------------- 9

6.3. VGA Interface------------------------------------------------------------------------------------------------------ 10

6.4. Video & USB Interface--------------------------------------------------------------------------------------------11

6.5. Tuner Interface-----------------------------------------------------------------------------------------------------12

6.6. Audio Interface-----------------------------------------------------------------------------------------------------13

6.7. Audio AMP.---------------------------------------------------------------------------------------------------------14

6.8. DDR -----------------------------------------------------------------------------------------------------------------15

6.9. SCALER MST9B884JL -------------------------------------------------------------------------------------------16

6.10. Panel Interface----------------------------------------------------------------------------------------------------- 17

6.11. DTV Module Interface --------------------------------------------------------------------------------------------18

7. WORKING THEOREM----------------------------------------------------------------------------------------------- 19~21

8. WIRING DIAGRAM---------------------------------------------------------------------------------------------------22

9. PCB LAYOUT-----------------------------------------------------------------------------------------------------------23~30

9.1. MAIN PCB TOP VIEW -------------------------------------------------------------------------------------------23

9.2. MAIN PCB BOTTOM VIEW-------------------------------------------------------------------------------------24

9.3. KEYPAD PCB TOP VIEW ---------------------------------------------------------------------------------------25

9.4. KEYPAD PCB BOTTOM VIEW---------------------------------------------------------------------------------26

9.5. IR PCB TOP VIEW------------------------------------------------------------------------------------------------ 27

9.6. IR PCB BOTTOM VIEW ----------------------------------------------------------------------------------------- 28

9.7. POWER PCB TOP VIEW ---------------------------------------------------------------------------------------- 29

9.8. POWER PCB BOTTOM VIEW----------------------------------------------------------------------------------30

10. TROUBLE SHOOTING FLOW CHART-------------------------------------------------------------------------31~34

NO POWER

10.1.

NO VOICE

10.2.

NO DISPLAY

10.3.

11. ADJUSTMENT----------------------------------------------------------------------------------------------------------35~37

11.1. ADJUSTMENT CONDITIONS AND PRECAUTIONS- ------------------------------------------------------35

11.2. MAIN ADJUSTMENTS ------------------------------------------------------------------------------------------- 35

11.3. ALIGNMENT PROCEDURES----------------------------------------------------------------------------------- 35~37

--------------------------------------------------------------------------------------------------------31

----------------------------------------------------------------------------------------------------------32

-------------------------------------------------------------------------------------------------------33~34

-----------------------------------------------------------------------------2

------------------------------------------------------------------------ 3

---------------------------------------------------------2

PAGE

05/12/2010

JC279ET61S Service Manual

1. PRECAUTION AND NOTICES

1.1. SAFETY PRECAUTIONS

This monitor is manufactured and tested on a ground principle that a user's safety comes
first.However, improper use or installation may cause damage to the monitor as well as to
the user.Carefully go over the following WARNINGS before installing and keep this guide

handy.

WARNINGS:

This monitor should be operated only at the correct power sources indicated on the label



on the rear end of the monitor. If you're unsure of the power supply in your residence,
consult your local dealer or power company.
Use only the special power adapter that comes with this monitor for power input.



Do not try to repair the monitor your self as it contains no user-serviceable parts. This



monitor should only be repaired by a qualified technician.
Do not remove the monitor cabinet. There is high-voltage parts inside that may cause



electric shock to human bodies, even when the power cord is unplugged.
Stop using the monitor if the cabinet is damaged. Have it checked by a service technacian.



Put your monitor only in a clean, dry environment. If it gets wet, unplug the power cable



immediately and consult your service technician.
Always unplug the monitor before cleaning it. Clean the cabinet with a clean, dry cloth.



Apply non-ammonia based cleaner onto the cloth, not directly onto the glass screen.
Keep the monitor away from magnetic objects, motors, TV sets, and transformer.





Do not place heavy objects on the monitor or power cord.

1.2. PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in this chassis have special safety visual inspections
and theprotection afforded by them cannot necessarily be obtained by using replacement
components rated for higher voltages, wattage, etc. Before replacing any of these
components read the parts list in this manual carefully. The use of substitute replacement
parts which do not have the same safety characteristics as specified in the parts list may

create shock, fire, or other hazards.

1.3. SERVICE NOTES

1. When replacing parts or circuit boards, clamp the lead wires around terminals beforesoldering.

2. When replacing a high wattage resistor (more than 1W of metal oxide film resistor) in circuit
board, keep the resistor about 5mm away from circuit board.

3. Keep wires away from high voltage, high temperature components and sharp edges.

4. Keep wires in their original position so as to reduce interference.

5. Usage of this product please refer to also user's manual.

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05/12/2010

JC279ET61S Service Manual

2. SERVICE TOOL & EQUIPMENT REQUIRED

1. SIGNAL GEN.

2. MULTIMETER

3. OSCILLOSCOPE

4. SCREW DRIVER

5. IRON

6. ABSORBER

7. SOLDER

8. DUMMY LOAD (5ohm/200W)

3. SPECIFICATIONS

3.1. PRODUCT SPECIFICATIONS

LCD Panel 27.0" TFT

Power Management Energy Star compliant VESA
DPMS compatible
< 1W

Displayable Resolution 1920*1080 (max.)

Pixel Pitch 0.3114 (H) × 0.3114 (W)mm

LCD Display Color 16.7M Color Max.

Viewing Angle CR ≥ 10
Horizontal: 170°
Vertical: 160°

Tilt 0+1/-4 degree to 20 +2/-2 degree

Contrast Ratio 1200 : 1 (typ.)/800:1(MIN)

Brightness 300 cd/㎡(typical) 250 cd/㎡(mini)

Response Time Tr:+Tf: 3.4ms(typ.)

Active Display Area

Temperature Operating: 0°C ~ +40°C
Storage: -20°C ~ +60°C

Compliance VESA DDC1/2B Revision 1.3

Power Input Voltage: 90~264 Vac
Consumption: 80 Watts (Max.)

597.89 (H) x 336.31 (V) mm

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05/12/2010

JC279ET61S Service Manual

3.2. FACTORY SUPPORTING MODES

There are totally timings mode that can be saved in memory by FIFO architecture.

This monitor can support VGA up to WUXGA+ resolution.

Resolution

Mode

IBM, VGA 720x400@70Hz 31.469 70.080 28.320

VGA

SVGA

XGA

XGA+ 1152x864@75Hz 67.500 75.000 108.000

WXGA 1280x960@60Hz 60.000 60.000 108.000

1400x1050@60Hz 65.317 59.978 121.750

WXGA 1280x960@60Hz 60.000 60.000 108.000

WXGA+ 1440x900@60Hz 55.935 59.887 106.500

WSXGA+ 1680x1050@60Hz 65.290 59.954 146.250

FHD 1920x1080@60Hz 67.500 60.000 148.500
MAC 640x480@67Hz 35.000 66.667 30.240
MAC 832x624@75Hz 49.725 74.550 57.283
MAC 1152x870@75Hz 68.681 75.062 100.000

Plus

Frequency

640x480@60 Hz 31.469 59.940 25.175
640x480@72 Hz 37.861 72.809 31.500

640x480@75 Hz 37.500 75.000 31.500

800x600@56Hz 35.156 56.250 36.000
800x600@60Hz 37.879 60.317 40.000
800x600@72Hz 48.077 72.188 50.000

800x600@75Hz 46.875 75.000 49.500
1024x768@60Hz 48.363 60.004 65.000
1024x768@70Hz 56.476 70.069 75.000
1024x768@75Hz 60.023 75.029 78.750

1280x1024@60Hz 63.981 60.020 108.000 SXGA
1280x1024@75Hz 79.976 75.025 135.000

Horizontal
Frequency

(kHz)

Vertical

Frequency

(Hz)

Pixel

Frequency

(MHz)

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05/12/2010

JC279ET61S Service Manual

3.3.

D-SUB CONNECTOR

D-SUB 15 PIN CONNECTOR

12345

678910

11 12 13 14 15

CONNECTOR SIGNAL DESCRIPTION

3.4.

HDMI CONNECTOR

19 pins HDMI connector is designed to match with HDMI digital signal cable, the pin

assignment is as the following:

1.R 6.GND 11.NC

2.G 7.GND 12.SDA

3.B 8.GND 13.H.SYNC

4.NC 9. +5V 14.V.SYNC

R RED 0.7vp-p(VIDEO)
G GREEN 0.7vp-p(VIDEO)
B BLUE 0.7vp-p(VIDEO)
H H/SYNC TTL positive or negative
V V/SYNC TTL positive or negative

SDA DDC1/2B TTL

SCL DDC1/2B TTL

5.GND 10.GND 15.SCL

Pin 19

Pin 18

Pin S ignal Assignment Pin Signal Assignment

1 TMDS RX2+ 11 TMDS Ground
2 TMDS Ground 12 TMDS Clock­3 TMDS RX2- 13 CEC
4 TMDS RX1+ 14 Floating
5 TMDS Ground 15 DDC Clock
6 TMDS RX1- 16 DDC Data
7 TMDS RX0+ 17 Ground
8 TMDS Ground 18 +5V Power
9 TMDS RX0- 19 Hot Plug Detect

10 TMDS Clock+

*19 pins HDMI female

Pin 1

Pin 2

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05/12/2010

4.1. EXPLODED VIEW

JC279ET61S Service Manual

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05/12/2010

JC279ET61S Service Manual

4.2. EXPLODED VIEW PARTS LIST

Ref. No. Source Part No. DESCRIPTION SPECIFICATION Q‘TY REMARK

1F01
1F02 2033154601P IR COVER JC279E PC LIMPID GE121R-21051 1

1F03 2053761401P LED INDIC.-PWR JC279E LENS PMMA 94HB 1
1F05 2044275801P FUNCTION KEY JC279E ABS94HB G.L BLACK 1

2C01

2C02 2054259801P ORNAMENT
2C03 2084730062P SCREW BND T+ M3X6(BND T+) 5
5B01 2028268601P STAND
5B02 2028562601P NECK JC279U ABS94HB G.L BLACK 1
5B03 2106665900P HINGE
5B04 2086240142P SCREW P SW+ M4*14mm PSW+2N 4

5B05 2039820800P FOOT PAD
5F01 2071685404P SHIELD PLATE JC279E 61S SECC 0.6T 1
5F02 2072055904P METAL FITTG-I/O JC279E 61S SIDE IO SECC 0.6T 1

5F03 2054155804P ORNAMENT
5F04 2080003700P SCREW SPE ISZZTER001A M3*6L MSWR17/FZMYI 4

5F05 2080003700P SCREW SPE ISZZTER001A M3*6L MSWR17/FZMYI 2
5F06 2082630082P SCREW M3X8 P=0.5 2
5F08 2084730084P SCREW BND T+ M3X8(BND T+) (BLK) 1
5F11 2082630084P SCREW M3X8 P=0.5 BLACK 1
5F12 2082630084P SCREW M3X8 P=0.5 BLACK 1
6B01 2084730084P SCREW BND T+ M3X8(BND T+) (BLK) 1

6B02 2084740084P SCREW BND T+
6B03 2086240142P SCREW P SW+ M4*14mm PSW+2N 4
6B04 2027276001P DUST COVER
6F01 2084730082P SCREW BND T+ M3X8(BND T+) 1

6F02 2071898500P BRACKET FIX JC279E HINGE SUPPORT SECC 1.0T 2
6F03 2082630062P SCREW M3X6 P=0.5 2
6F04 2084740082P SCREW BND T+ M4X8(BND T+) 2

2024291101P

-05

2022288604P

-01

FRONT BEZEL

CABI BACK JC279E S ABS94HB G.L BLACK 1

JC279E ENVISION ABS94HB G.L
BLACK

JC279E BOTTOM DECO PLATE
TRANSPARANGE PC

JT269 T STAND ABS 94HB G.L
BLACK

JC279E U NECK HINGE 0~20° 50kg

-CM (H.Y.)

φ20*3.0T SQUARE GRAIN BLK

JC279E 61S SIDE IO PC 0.5T
ADHESIVE BLACK

SCREW BNDT+ M4*8(BND T+)
BLACK

JC279E HINGE COVER ABS94HB G. L
BLACK

1

1

1

1

4

1

2

1

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05/12/2010

5. BLOCK DIAGRAM

JC279ET61S Service Manual

5

D D

I111
TUNER

I112
I113
SAW FILTER

4

3

2

1

LCD Module

HDCP & System

P102
HDMI 19P

P103

C C

HDMI 19P
P104

HDMI 19P

I108
IT6633T
HDMI Switch

I116

EEPROM

I118
Flash

I114 DDR
128Mb_TSOP66

MST9B884JL-LF-3-S1

AV(CVBS)

S-Video

YPbPR

I601
TPA3113D2

I603
TPA6113A2

Speaker

P111
Headphone

B B

PC (VGA)

I604
APA4880KI

P603
RCA Audio out

AV / SV Audio (R/L)
YPbPR Audio (R/L)
PC / DVI Audio (R/L)

A A

5

4

3

2

P108
USB

JEAN

JEAN

Title

Title

Title

Size Document Number Rev

Size Document Number Rev

Size Document Number Rev

B

B

B

Date: Sheet

Date: Sheet

Date: Sheet

JE240xx61S_JE279xx61S

JE240xx61S_JE279xx61S

JE240xx61S_JE279xx61S

JEAN

BLOCK

BLOCK

BLOCK

of

111Monday, May 03, 2010

of

111Monday, May 03, 2010

of

111Monday, May 03, 2010

1

1.0

1.0

1.0

-7-

05/12/2010

6. SCHEMATIC DIAGRAM

6.1. Power

JC279ET61S Service Manual

P101

1
2
3
4
5
6
7
8
9

PH_12H_Power

10
11
12

TU_12V5

P120

1
2
3
4

NC/PH_4H_DTV_Power

R101 0R

P1D
DDIMM Dimming
B_O_F BL_EN
5V_POWER

1GND
12V_POWER

32

Q116
NC/2N3904

TU_12V

POWER_EN

C104
100nF

R369 NC/22K
R372 NC

R367 NC/22K

1

TU_12V

DCR_EN

L103 80_3.5X6X2

C109
100nF

C243
100nF

C101
100nF

I122
AP9435GM

L101

80_3.5X6X2

+

C107
470uF_16V_LESR

PW_CTL

18

SD

27

SD

36

SD

45

GD

R434 47K

+5V_STB

C102

470uF_16V_LESR

+12V

+5V_STB

C241
NC

R433
0R

+12V

1

+

+12V

+5V_STB

+12V 7

R432
22K

32

Q117
2N3904

C103
100nF

+5V_STB 2,3,9

+5V_STB

BL_EN

L106

120R_0603_3A

100uF_16V

24" LED= Hi: OFF,Lo: ON

Q101

NC

32

R102 NC

R107 0R

R106
100R

1.3V Core Power

VCC5V_IN

C114

+

C113

100nF

C121
100nF

R113 NC

1

C106
NC/100nF

R119
100K

+3.3V for
AVDD_MemPLL

+5V_STB

R118

R108
NC

3.3K

VCC5V_OCSET

C116
100nF

RB

+3.3_STB

R109
NC

VCC5V_EN

ON-PBACK

VCC1.2V_FB

1.5K_1%_0603

+3.3V for
AVDD_AU

I102
AP1534

4 5

VCC OUTPUT

3

OCSET

OUTPUT

2

EN

VSS

1

FB

VSS

R121 1K_1%_0603

R123

AVDD_AU

RA

0 ~ 3V3

Dimming

C105

NC/10uF_10V

6
7
8

R110
0R

R114
NC

L107

22uH-SMD

VCC1.2V_OUT

D101
SR34

220uF_16V_LESR

Vout=VFB*(1+RA/RB)
VFB=0.8V
RB=0.7K~5Kohm

+3.3V for
AVDD_USB2

C111

R105 10K

32

C112

+

1uF_16V

R111 100R

1

Q102
NC/2N3904

VCC1.26V

+3.3V for
AVDDA

R115
NC/4.7K

C115
100nF

AVDDAAVDD_MemPLL AVDD_USB2

+5V_STB

ADJ_PWM

DCR_EN

Code Power
+1.2V for VDDC

C16210uF_10V

C163100nF

+3.3V_STB for
VDDP

+5V_STB

R103
10K

C164100nF

Q103

NC

32

C165100nF

+3.3_STB

R104
NC

1

R116
NC

C166100nF

R112
100R

DCR_CTL

C108
NC

ON-PBACK
ADJ_PWM

VDDCVCC1.26V

C167100nF

VDDP+3.3_STB

DCR_CTL 9

ON-PBACK 9

ADJ_PWM 9

AVDD_VIF5
AVDD_VIF2
AVDD_VIF1
AVDD_AU
AVDDA
VDDM
VDDC

VDDP
AVDD_MPLL
AVDD_MemPLL
AVDD_USB2

AVDD_VIF5 9
AVDD_VIF2 9
AVDD_VIF1 9
AVDD_AU 2,9,10,11
AVDDA 2,9,10,11
VDDM 8,9
VDDC 9
VDDP 2,9,10,11
AVDD_MPLL 9
AVDD_MemPLL 2,9,10,11
AVDD_USB2 2,9,10,11

3.3V Stand-by Power

+5V_STB

C11722uF_10V

C119100nF

VCC3.3V_ADJ

+12V

+5V_STB

ON-PANEL

ON-PANEL9

PW_CTL
Hi = Off
Lo = On

PW_CTL POWER_EN

PW_CTL7,9

I101 1084-33

VOUTVIN

1

ADJ

TAB

R120 NC

R122 0R

L113 NC/120R_0805_6A

L114

120R_0805_6A

R131
NC

R135
22K

Q106

2N3904

+5V_STB

23
4

32

1

R133 NC

R136 22K

+3.3_STB

C120
100nF

R127
22K

D143 1N4148

32

1

R130 22K

+3.3_STB

R126
22K

R129
100K

Q104
2N3904

2N3904

Q107

+3.3_STB 2,9,10,11

+

C118
220uF_16V_LESR

C160

C170

220nF_16V

100uF_16V

32

1

+

R134 22K

+5V_STB

measure current

R128
22K

R132
0R

470uF_16V_LESR

32

Q105

1

2N3904

C161
NC

1
2
3
4

C168

+3.3_STB

I104
STM4953

S2
G2
S1
G1

C134

10uF_10V

120R_0603_3A

D2
D2
D1
D1

+5V

+

+3.3V for
AVDD_VIF1

L109

C143
10uF_10V

8
7
6
5

measure current

C169
100nF

C135
100nF

C154100pF

C153100nF

VPANEL 10
VPANEL
+5V

+5V 2,4,6,7,9

C136
100nF

C137
100nF

C138
100nF

AVDD_VIF5AVDD_VIF1

100nF

C140
100nF

+3.3_STB

120R_0603_3A

C139

Memory Power Supply

+5V

C14122uF_10V

I103 1084-ADJ

1

ADJ

C142

VCC2.5V_ADJ

100nF

R125 110R_1%_0603

R2

Vout=Vref*(1+R2/R1)+Iadj*R2
Vref=1.25V

+3.3V for
AVDD_VIF2

L110

C144
10uF_10V

VOUTVIN

TAB

R1

R124

100R_1%_0603

C124
100nF

23
4

C125
100nF

C155100nF

C126
100nF

AVDD_VIF2

+2.6MVDD

+

C122
220uF_16V_LESR

+2.6MVDD

C127
100nF

120R_0603_3A

C123
100nF

C129

C128

100nF

100nF

+3.3V for
AVDD_MPLL

L112

C157
10uF_10V

C130
100nF

C131
100nF

AVDD_MPLL+3.3_STBAVDD_VIF1

C158100nF

C132
100nF

C159100nF

C133
100nF

P109

SIP4
Shieding Cover

123

4

1

1

1

1

1

1

1

1

1

1

-8-

05/12/2010

6.2. HDMI Interface

JC279ET61S Service Manual

HDMI Connector S1

P103
HDMI 19P

SHIELD
SHIELD

CEC/DDC GND

DDC SCL
DDC SDA

SHIELD
Dat2 shield
Dat1 shield
Dat0 shield

clk shield

DAT0+

DAT0-

DAT1+

DAT1-

DAT2+

DAT2-

CEC
HPD

+5V

clk+

clk-

HDMIS1-5V

D103

20
21
18
17

HDMIS-1-SCL

15

HDMIS-1-SDA

16

HDMIS1_CEC

13

HDMIS1-HPDIN

19
22
2
5
8
11

HDMIS1_RX0P

7

HDMIS1_RX0N

9

HDMIS1_RX1P

4

HDMIS1_RX1N

6

HDMIS1_RX2P

1

HDMIS1_RX2N

3

HDMIS1_CLKP

10

HDMIS1_CLKN

12

NC/1N4148

D109NC

R138
NC/4.7K

D112NC

D111NC

D110NC

TP2

R141
NC/100K

R144 0R
R147 0R R146 0R
R150 0R
R153 0R
R156 0R
R159 0R

R162 0R
R165 0R

HDMIS1-RX0P
HDMIS1-RX0N
HDMIS1-RX1P
HDMIS1-RX1N
HDMIS1-RX2P
HDMIS1-RX2N

HDMIS1-CLKP
HDMIS1-CLKN

DDC EEPROM S1 DDC EEPROM S3

21

3

D118
BAT54C

I106
24C02

1

NC

VCC

2

NC

WP

3

NC

SCL

4 5

GND SDA

8
7
6

HDMIS1_SCL
HDMIS1_SDA

HDMIS1-SCL
HDMIS1-SDA

C173
100nF

R170
22K

HDMIS-WP

R177 100R
R180 100R

R183 100R
R187 100R

HDMIS-1-SCL
HDMIS-1-SDA

R171
47K

R172
47K

HDMI Connector S3

P102
HDMI 19P

SHIELD
SHIELD

CEC/DDC GND

DDC SCL
DDC SDA

CEC
HPD

SHIELD
Dat2 shield
Dat1 shield
Dat0 shield

clk shield

DAT0+

DAT0-

DAT1+

DAT1-

DAT2+

DAT2-

+5V

clk+

clk-

HDMIS3-5V

HDMIS-3-SCL
HDMIS-3-SDA
HDMIS3_CEC
HDMIS3-HPDIN

HDMIS3_RX0P
HDMIS3_RX0N
HDMSI3_RX1P
HDMIS3_RX1N
HDMIS3_RX2P
HDMIS3_RX2N

HDMIS3_CLKP
HDMIS3_CLKN

D102
NC/1N4148

20
21
18
17
15
16
13
19
22
2
5
8
11

7
9
4
6
1
3

10
12

R137
NC/4.7K

D105NC

D106NC

D107NC

D108NC

TP1

R140
NC/100K

R143 0R
R149 0R

R152 0R
R155 0R
R158 0R

R161 0R
R164 0R

HDMIS3-RX0P
HDMIS3-RX0N
HDMIS3-RX1P
HDMIS3-RX1N
HDMIS3-RX2P
HDMIS3-RX2N

HDMIS3-CLKP
HDMIS3-CLKN

DDC EEPROM S2

+5V_STB+5V_STB +5V_STB

HDMIS2-5V

1
2
3
4 5

21

D119
BAT54C

I107
24C02

NC
NC
NC
GND SDA

VCC
SCL

HDMIS2_VCC

3

HDMIS-2-SCL

R174
47K

R175
47K

C174

R173

100nF

22K

8
7

WP

6

HDMIS-WP

HDMIS2_SCL
HDMIS2_SDA HDMIS-2-SDA

R178 100R
R181 100R

R185 100R
R188 100R

HDMI Connector S2

P104
HDMI 19P

CEC/DDC GND

DDC SCL
DDC SDA

Dat2 shield
Dat1 shield
Dat0 shield

clk shield

HDMIS3-5VHDMIS1-5V

1
2
3
4 5

SHIELD
SHIELD

+5V

CEC
HPD

SHIELD

DAT0+

DAT0-

DAT1+

DAT1-

DAT2+

DAT2-

clk+

clk-

D117
BAT54C

I105
24C02

NC
NC
NC
GND SDA

HDMIS2-5V

20
21
18
17
15
16
13
19
22
2
5
8
11

7
9
4
6
1
3

10
12

21

3

8

VCC

7

WP

6

SCL

Q108

2N3904

D104

R139

NC/1N4148

NC/4.7K

HDMIS-2-SCL
HDMIS-2-SDA
HDMIS2_CEC
HDMIS2-HPDIN

HDMIS2_RX0P
HDMIS2_RX0N
HDMIS2_RX1P
HDMIS2_RX1N
HDMIS2_RX2P
HDMIS2_RX2N

HDMIS2_CLKP
HDMIS2_CLKN

D115NC

D114NC

HDMIS-WP

D116NC

R176 100R
R179 100R

HDMIS3-SCLHDMIS2-SCL
HDMIS3-SDAHDMIS2-SDA

R190 2.2K

D113NC

HDMIS3_VCCHDMIS1_VCC

R167

C172

22K

100nF

HDMIS3_SCL
HDMIS3_SDA HDMIS-3-SDA

R184 NC

1

R189

2 3

22K

TP3

R142
NC/100K

R145 0R
R148 0R
R151 0R
R154 0R
R157 0R
R160 0R

R163 0R
R166 0R

HDMIS-3-SCL

R182 100R
R186 100R

HDMIS2-RX0P
HDMIS2-RX0N
HDMIS2-RX1P
HDMIS2-RX1N
HDMIS2-RX2P
HDMIS2-RX2N

HDMIS2-CLKP
HDMIS2-CLKN

R168
47K

3V3_HDMI

WP_EE_B 3,9

R169
47K

+5V_STB

HDMIS2-SDA
HDMIS2-SCL
HDMIS2-CLKN
HDMIS2-CLKP

HDMIS2-RX0N
HDMIS2-RX0P

HDMIS2-RX1N
HDMIS2-RX1P

HDMIS2-RX2N
HDMIS2-RX2P

CONTROL PINS

S1

H

H

S2 HPD1

H

L

LL
LH

L115
120R_0603_3A

C175
1uF_16V

HPDS2

33V_HDMI

33V_HDMI

HPDS3

49

PWBD

50

HPD2

51

SDA2

52

SCL2

53

B21

54

A21

55

VCC

56

B22

57

A22

58

GND

59

B23

60

A23

61

VCC

62

B24

63

A24

64

HPD3

I/O SELECTED

Y / Z

A1/B1

A2/B2

HDMIS1-RX2N

HDMIS1-RX0N

HDMIS1-RX1N

HDMIS1-RX1P

HDMIS1-RX0P

HDMIS1-RX2P

33V_HDMI

48

B14

A14

HDMIS1-CLKP

33V_HDMI

B12

A12

B13

A13

VCC

VCC

GND

I108
IT6633T

SDA3

SCL3

GND

B31

A31

VCC

B32

A32

123456789101112131415

HDMIS3-SDA

HDMIS3-SCL

GND

33V_HDMI

HDMIS3-RX0N

HDMIS3-RX1N

HDMIS3-CLKN

HDMIS3-RX0P

HDMIS3-CLKP

SCL_SINK
SDA_SINK

SCL1
SDA1
SCL2
SDA2
SCL3

SDA3A3/B3

pulled highdiscoonnected

R191 4.7K

R192
NC

GND

VCC

GND

VCC

R19310K

32

S1

31
30
29
28
27

Z1

26

Y1

25
24

Z2

23

Y2

22
21

Z3

20

Y3

19
18

Z4

17

Y4

HPDS1

HDMIS1-SDA

HDMIS1-CLKN

HDMIS1-SCL

333435363738394041424344454647

S2

B11

A11

SCL1

SDA1

HPD1

I2CSEL

HPD_SINK
SDA_SINK
SCL_SINK

B33

A33

VCC

B34

A34

GND

EQ

16

R344 4.7K
R216 NC

33V_HDMI

HDMIS3-RX2N

HDMIS3-RX1P

HDMIS3-RX2P

HOT PLUG DETECT STATUS

HPD2

HPD_SINK

L

HPD_SINK

L

HPD_SINK

HPD_SINK

L

L

33V_HDMI

R19410K

TXCLK2­TXCLK2+

B_2TX0­B_2TX0+

G_2TX1­G_2TX1+

R_2TX2­R_2TX2+

33V_HDMI

R3464.7K

R3474.7K

R208 22R
R209 22R

33V_HDMI

33V_HDMI

R199 100R
R198 100R

R206

4.7K

R207

4.7K

TXCLK2- 9
TXCLK2+ 9

B_2TX0- 9
B_2TX0+ 9

G_2TX1- 9
G_2TX1+ 9

R_2TX2- 9
R_2TX2+ 9

HPD3

L

L

HPD_SINK
HPD_SINK

33V_HDMI

SDA_HD2
SCL_HD2

HDMIS2_SEL 9
HDMIS1_SEL 9

HPLUGB 9
SDA_HD2 9
SCL_HD2 9

3V3_HDMI

120R_0805_6A

L116

HDMIS1-HPDIN

R201
100K

33V_HDMI

C17122uF_10V

33V_HDMI

C180100nF

2 3

C17622uF_10V

C181100nF

Q110
2N3904

R196 1K

R204
10K

1

C177100nF

C182100nF

C183100nF

C178100nF

HDMIS1-5V

HPDS1

C184100nF

Hot-Plug Control 2

HDMIS2-HPDIN

C179100nF

C185100nF

C186100nF

R202
100K

R197 1K

1

Q111

2 3

2N3904

HDMIS1_CEC

HDMIS2_CEC

HDMIS3_CEC

Hot-Plug Control 3Hot-Plug Control 1

HDMIS2-5V HDMIS3-5V

R205
10K

HPDS2

R210 NC/0R

R212 NC/0R

R213 NC/0R

HDMIS3-HPDIN

NC/2N7002

R200
100K

Q109

2 3

2N3904

Q112

R214 0R

R195 1K

1

HDMI 3.3V Power

+5V

+5V1,4,6,7,9

C18722uF_10V

C190100nF

1

I109
1117-33

ADJ

R217 NC
R218 0R

VOUTVIN

TAB

R203
10K

R211 NC

R215 100R

23
4

C189
100nF

HPDS3

+3.3_STB

To MST IC

HDMI_CEC

3V3_HDMI

+

C188
220uF_16V_LESR

HDMI_CEC 9

-9-

05/12/2010

6.3. VGA Interface

JC279ET61S Service Manual

D120

4.7P

VGA_TX

VGA_VSYNC

D126

VGA_HSYNC

4.7P

P105
DSUB-15

11
12
13
14
15

R226 100R

R227 100R

D127

4.7P

Note:Close to MST. IC

1
6
2
7
3
8

VGA_RX

4

VGA5V

9
5
1016

17

D121

4.7P

D122

4.7P

D123

4.7P

D124

4.7P

R229 470R

D125

4.7P

R
G
B

R224

R223

75R 1%

75R 1%

R­G­B-

R228 2.2K

HS_RGB

R225

75R 1%

R219 47R
R220 47R
R221 47R
R222 470R

C191 47nF
C192 47nF
C193 47nF
C194 1nF

HS_RGB 9

RIN+
GIN+
BIN+
SOG

RIN+ 9
GIN+ 9
BIN+ 9
SOG 9

D128

4.7P

+5V_STB1,2,9

D129

4.7P

+5V_STB

VGA5V

21

D130
BAT54C

R230 470R

VGA_PW

0R

R233
22K

R238
0R

R232
22K

DDC_SCL
DDC_SDA

R237

R240
10K

VCC

WP

SCL

+5V_STB

8
7
6

3

C195

100nF

I110

24C02

1

NC

2

NC

3

NC

4 5

GND SDA

VS_RGB

R231 10K

VGA_TX
VGA_RX

Q113

2N3904

2 3

R234 NC
R235 NC

R236 100R
R239 100R

R242 NC

R243
22K

1

RXD
TXD

R241 NC

WP_EE_B

VS_RGB 9

RXD 9
TXD 9

WP_EE_B 2,9

-10-

05/12/2010

6.4. Video & USB Interface

P106

RCA1X5_YPbPr

1

3

5

7

9

P107

RCA1X3_AV+S

1

4

6

14
12

9

10

Y Pb Pr Input

Y_IN

2

Pr_IN

Pb_IN

4

Pr_IN

6

AUL_COMP

8

AUR_COMP

10

AUR_AV

3

5

Y_IN
Pb_IN

AV Input

CVBS_IN

8

S-Video Input

13

D141

11

Near S GNDPIN Side.

NC/4.7P

D142

NC/4.7P

JC279ET61S Service Manual

D136

D137

D138

C220

C221

NC/10pF

NC/10pF

NC/4.7P

NC/4.7P

NC/4.7P

NC/10pF

RCA Audio Input (ADC IN)

Close to connector

AUR_AV

D131

NC/4.7P

AUL_AV

D133

NC/4.7P

CVBS Input

D135

NC/4.7P

R274
75R 1%

R277
75R 1%

C226
100pF

C229

100pF

R244 18K

C198
330pF

R248 18K

C204
330pF

L118

3.3uH 0805

C211
560pF

L120

3.3uH 0805

GND
Reference
to VCOM1

L121

3.3uH 0805

R246
12K

R250
12K

AV1CVBS_IN CVBS1

C212
330pF

C227
100pF

C230
100pF

S-CHR0

R266

C222

75R 1%

Note:Close to MST. IC

C199
560pF

C205
560pF

R255
75R 1%

R273

47R

Near MST.IC
Input Side.

R278
47R

C215 47nF
C217 47nF
C218 47nF
C219 1nF

PR+
Y+
PB+
SOY

Close to MST. IC

R267

75R 1%

R261 47R
R263 47R
R264 47R
R265 470R

R268

75R 1%

Av/S Audio
In

AUR1

C196

2.2uF_10V

C202

2.2uF_10V

AUL1

Keep A_GND trace with Signal.
Keep Spacing for L/R cahnnel.
Keep trace width(12mil+).

Note:Close to MST. IC

R253 47R

R257 0R

C225
47nF

C231
47nF

SV_Y0S-LUM0

SV_C0

AUR1 9

AUL1 9

C210 47nF

C214
47nF

VCOM1

SV_Y0 9

SV_C0 9

TP5

PR+ 9
Y+ 9
PB+ 9
SOY 9

CVBS1 9

VCOM1 9

R275

47R
R276
75R 1%

C228
47nF

RCA Audio Input (ADC IN)

Close to connector

AUR_COMP

D132

NC/4.7P

AUL_COMP AUL2

D134

NC/4.7P

R245 18K

C200
330pF

R249 18K

C206
330pF

R247
12K

R251
12K

C201
560pF

C207
560pF

YPbPr/DVI

Note:Close to MST. IC

2.2uF_10V

C203

2.2uF_10V

Keep A_GND trace with Signal.
Keep Spacing for L/R cahnnel.
Keep trace width(12mil+).

4:GND
3:D+
2:D­1:+5V

USB2_OC_DETUSB2_OC_DET

R270
100K

USB2_DM
USB2_DP

P108
USB

VBUS

SHELL
SHELL

GND

P/N:
2213611203P-05 1.1A/6V
2213615202P-06 1.5A/63V

F101

1.1A/6V

VBUS5VAUL_AV

C224
100nF

1
2

D-

3

D+

4
5
6

R269 47K

C223

+

100uF_16V

D139

R271 4.7R
R272 4.7R

D140

USB Host Interface

CVBS2AV3

CVBS2 9

NC/ESD0.2p

NC/ESD0.2p

C197

AUR2

USB PORT

+5V 1,2,6,7,9
+5V

USB2_OC_DET 9

AUR2 9

AUL2 9

USB2_DM 9
USB2_DP 9

-11-

05/12/2010

6.5. Tuner Interface

JC279ET61S Service Manual

I111
RF TUNER F41CT-6N-E

NCNCNC

AGC

VCC-5VNCSCL

SDAASNC3

1110987654321

IF-AGC

SCL

IF_5V

SDA

C236
47pF

R282
100R

C239

100nF

15

GND

GND

IFout

SDA
SCL

C216
47pF

C232

100nF

D146 1N4148

C237
100nF

TU_12V VIF_12V

R306

121314

GND

GND

IF_TV

R363 47R
R308 47R

IF_5V

R302
12K

150R_1%

C110

10uF_10V

C208
10nF

I2C_SDA
I2C_SCL

L105

120R_0603_3A

C240
10uF_10V

R373 5.6K

C234
10nF

R304
0R

TAGC

R260
1K

TU_5V

IF_5V

TAGC 9

VIF_12V

R354

6.8K

C233
10nF

BF799/2SC5464

I2C_SDA 9,11
I2C_SCL 9,11

Q114

L102

0.82uH
R280

150R

1

R281
20R_06

IF_5V

use for two standard audio system.

this is for PAL BG/DK/I,SECAM L &

R262
680R

32

C213
10nF

C209

10nF

IF_5V

R305

6.8K

R303

6.8K

R284
NC

R283
NC

R258
0R

R256

0R

R307

3.3K

switch L'.

D144
NC/BA982

2 4

Q115
NC/2N7002

TU_5V

R259
NC

R301
0R

2 4

I112

M9370M30-SIF

OUT2IN

SAW

ING OUT1

GND

3

R254 NC/1K
R252 22K

I113
M3953M30-VIF

OUT2IN

SAW

ING OUT1

GND

3

SIF

51

SIF_CTL

51

SIF

SIFP

R351
0R

SIFM

R300
0R

SIF_CTL

C156 NC/10pF

NC

R279 0R

L104

2.2uH
R285 0R

C235 NC/10pF

NC

SIFP 9

SIFM 9

SIF_CTL 9

VIFM

VIFP

VIFM 9

VIFP 9

VIF

use for PAL & SECAM also NTSC can usable

5V for Tuner

TU_12V TU_5V

TU_12V1

+

C338
47uF_16V

CE025050

I121 1084-ADJ

VOUTVIN

1

ADJ

TAB

R320 619R_1%
R339 1.82K_1%

23
4

-12-

TU_5V

C336

+

100uF_16V

L108

120R_0603_3A

C309
100nF

C332
100nF

IF_5V

C334
10uF_10V

05/12/2010

6.6. Audio Interface

PC_IN_PHONE_JACK
P110

HEAD PHONE_JACK
P111

+5V

1
2
3
4
5

LR

1

R

2
3
4
5

L

R317 4.7K

PC Audio input

Location near phone jack

R309 18K

R310 18K

R318
22K

C255
330pF

R3151K

C260330pF

SIDE

C254
330pF

Headphone output

C256 330pF

R313 1K

C262

1uF_16V

R311
12K

32

1

Q119

NC/2N3904

R312

C252

12K

560pF

R656 0R

R657 0R

32

R314 22K

1

Q118
NC/2N3904

R316 22K

R319 100R

JC279ET61S Service Manual

Close to MST. IC

C250

2.2uF_10V
C251

2.2uF_10V

C253
560pF

C258 47uF_16V

+

C259 47uF_16V

+

1: HEADPHONE MODE
0: SPEAKER MODE

PHONE_R

PHONE_L

POP_MUTE 9

PHONE_DET 7

AUR0

AUL0

AUR0 9

AUL0 9

+5V

L610

120R_0603_3A

C631

22uF_10V

PHONE_R

PHONE_L

I603 TPA6113A2

C635 47pF
R634 47K

8

VDD

1

VO1

7

VO2

SHUTDOWN

4

GND

R635 47K

C636 47pF

BYPASS

IN1-

IN2-

2

3

6

5

R632 47K

C629

1uF_16V

R633 47K

PH_MUTE_S

C625
1uF_16V

330pF

C627

1uF_16V

R636 2.2K

330pF

C626

C628

AUOutR1

AUOutL1

MUTE_S

AUOutR1 7,9

AUOutL1 7,9

MUTE_S 7,9

RCA1X2_Audio

P603

3

1

RCA Audio OUT

+5V

+5V1,2,4,7,9

R653

2.2K

AU_RCAout_R

4

AU_RCAout_L

2

Q609

2N3904

1

L609

120R_0603_3A

22uF_10V

3

R648

R652

4.7K

4.7K

2

C649

R649 100R

R655 100R

3

2

Q611

2N3904

R646

2.2K

C655

10uF_10V

C648

10uF_10V

1

C637 47pF

R647 47K

I604 APA4880KI

8

VDD

1

VO1

7

VO2

SHUTDOWN

4

GND

R651 47K

C639 47pF

POP_MUTE 9

IN1-

BYPASS

IN2-

R654

2.2K

C653

1uF_16V

C654

1uF_16V

AUOutR3

AUOutR3

C651

330pF

AUOutL3

AUOutL3

C652

330pF

MUTE-LINE

-13-

AUOutR3 9

AUOutL3 9

MUTE-LINE 9

05/12/2010

R645

2

3

6

5

18K

C650

1uF_16V

R650
18K

6.7. Audio AMP.

+12V

+12V

C632

+

220uF_16V_LESR

L601 120R_0603_3A

L602

120R_0603_3A

+

C646

220uF_16V_LESR

C633
100nF

Close to Audio Amp.

AUOutL16,9

AUOutR16,9

+5V

D601

1 2

1N4148
R628
47K

R613
100R

R612
100R

D602

1 2

1N4148

C601
NC

C604
NC

R631
220K

R609
NC

R601
NC

+

C638
470uF_16V_LESR

C647

+

220uF_16V_LESR

INL

INR

C634
100nF

12VAMPR

12VAMPL

+5V

GAIN1
GAIN0

JC279ET61S Service Manual

Gain
20dB
26dBL , H
32dB
36dB

C602 1uF_16V

C603 1uF_16V

C624100uF_16V

+

C607 100nF

C608 1uF_16V

C605 1uF_16V

C606 1uF_16V

R603 10K_1%

5.11K/3.32K_1%

R604 R605 R606 R607

10K 10KNC NC

10KNC NC10K

I601 TPA3113D2

1

/SD

2

/FAULT

3

LINP

4

LINN

5

GAIN0

6

GAIN1

7

AVCC

8

AGND

9

GVDD

10

PLIMIT

11

RINN

12

RINP

13

NC

14

PBTL

R608

/SD

GAIN0

GAIN1

GVDD

C609
1uF_16V

24" 2W 4 Ω
27" 5W 6 Ω

SD LOW==>> SHUT DOWN
SD HI ==>> AMP WORKS

R604 NC

R606 10K

R605 10K

R607 NC

GAIN[1:0]

INL

+12V

INR

L , L

H , L
H , H

R602 10R/06

GVDD

POWERPAD

29

R608

3.32K_1%

5.11K_1%

PVCCL

PVCCL

BSPL

OUTPL

PGND

OUTNL

BSNL

BSNR

OUTNR

PGND

OUTPR

BSPR

PVCCR

PVCCR

12VAMPL

28

27

220nF_16V

26

25

24

23

22

C611 220nF_16V
C612 220nF_16V

21

20

19

18

17

C613

16

220nF_16V

15

12VAMPR

100nF_50V/0603 = 2346110496P
220nF_50V/0805 =2347122496P
220nF_16V/0603 = 2346722496P
1nF_50V/0603 = 2346110296P
22uH-SMD_YC8D43 = 2370122046P
22uH-SMD_YC104R = 2370122026P
22uH-SMD_YC124RT = 2370122016P

L603 22uH-SMD

L607 NC/22uH

C610

220nF_50V/0805

L608 NC/22uH

L611 NC/22uH

220nF_50V/0805

L612 NC/22uH

L606 22uH-SMD

C614

L604
22uH-SMD

L605
22uH-SMD

C619

C615

100nF_50V

C616

100nF_50V

C620

100nF_50V

C621

100nF_50V

R614 10R/06

C617
1nF_50V

C618
1nF_50V

R615
10R/06

R616 10R/06

C622
1nF_50V

C623
1nF_50V

R617
10R/06

P602

Lout-

4

L-

Lout+

3

L+

Rout-

2

R-

Rout+

1

XH4PH_SPEAKER

R+

23

Q603

1

2N3906

AC_OFF_POP

PW_CTL1,9

PW_CTL

R620 0R

PHONE_DET6

SHDN

MUTE_S6,9

MUTE_S

PHONE_DET

AC_OFF_POP

SHDN /SD

21

D603
BAT54C

D604
BAT54C

3

21

3

R618
47K

Q604

2N3904

1

R621
220K

+5V

R622
47K

32

C630100nF

POP noise

SD HI ==>>SING A SONG
SD LOW==>> SHUT DOWN

-14-

05/12/2010

6.8. DDR

JC279ET61S Service Manual

+2.6MVDD(DDR) for VDDM

+2.6MVDD VDDM

L111

120R_0603_3A

C145
22uF_10V

C146100nF

C147100nF

C148100nF

C149100nF

C150100nF

C151100nF

C152100nF

VDDM

VDDM9

C264

10uF_10V

C265
100nF

VDDM

R322
10K_1%

MVREF-D

R323
10K_1%

C274
100nF

C275
1nF

VDDM

C266
100nF

C267
100nF

C268
100nF

C269
100nF

C270
100nF

C271
100nF

C272
100nF

C273
100nF

WARNING !!!

DATA SWAP For layout trace smoothing;

MADR[0..11]9

MADR[0..11]

MADR0

RP101 RP56X4

MADR1
MADR2
MADR3
MADR4
MADR5
MADR6
MADR7
MADR8
MADR9
MADR10
MADR11

WEZ9
CASZ9
RASZ9

DQS09
DQS19

DQM09
DQM19

BA09
BA19

MCLK9
MCLKZ9

WEZ
CASZ CASZM

DQS0
DQS1

DQM0 DQML
DQM1 DQMU

MCLK+
MCLK-

1234

8765

RP103 RP56X4

1234

8765

RP105 RP56X4

1234

8765

R324 22R
R325 22R
R326 22R

R327 22R
R328 22R

R329 22R
R331 22R

BA0
BA1

ADR0
ADR1
ADR2
ADR3
ADR4
ADR5
ADR6
ADR7
ADR8
ADR9
ADR10

ADR11
WEZM
RASZMRASZ

I114

D1216AJTA-4B-E_128Mb_TSOP66

29

A0

30

A1

31

A2

32

A3

35

A4

36

A5

37

A6

38

A7

39

A8

40

A9

28

A10/AP

41

A11

21

WE

22

CAS

23

RAS

16

LDQS

51

UDQS

20

LDM

47

UDM

26

BA0

27

BA1

24

CS

14

NC

17

NC

34

VSS

48

VSS

66

VSS

6

VSSQ

12

VSSQ

52

VSSQ

58

VSSQ

64

VSSQ

DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7

DQ8

DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15

VREF

CLK

CLK

CKE

NC
NC
NC
NC
NC
NC

MVDD
MVDD
MVDD
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ

DATA0

2

DATA1

4

DATA2

5

DATA3

7

DATA4

8

DATA5

10

DATA6

11

DATA7

13

DATA8

54

DATA9

56

DATA10

57

DATA11

59

DATA12

60

DATA13

62

DATA14

63

DATA15

65

MVREF-D

49

R332
NC/22R

NC

R330 150R_1%

CKE 9

VDDM

MCLK-

46

MCLK+

45

CKE

44
19

25

256M

42
43
50
53

1
18
33
3
9
15
55
61

DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0

DATA15
DATA14
DATA13
DATA12
DATA11
DATA10
DATA9
DATA8

RP102 RP22X4

1234

RP104 RP22X4

RP106 RP22X4

RP107 RP22X4

8765

1234

8765

1234

8765

1234

8765

MDATA7
MDATA6
MDATA5
MDATA4
MDATA3
MDATA2
MDATA1
MDATA0

MDATA15
MDATA14
MDATA13
MDATA12
MDATA11
MDATA10
MDATA9
MDATA8

MDATA[0..15]

MDATA[0..15] 9

2M X 16bit X 4BK
ELPIDA D1216AJTA-4

-15-

05/12/2010

6.9. SCALER MST9B884JL

JC279ET61S Service Manual

VDDP

D145

1N4148

1 2

DVI/HDMI

INPUT

VGA

INPUT

DTV

Y,Pb,Pr

INPUT

Y,Pb,Pr

INPUT

VIDEO

INPUT

AUDIO

INPUT

AUDIO

OUTPUT

TUNER

INPUT

Debug port UART

+5V_STB

AUOutL3

AUOutR3

AUOutL1

AUOutR1

I115

NC/G690H293T73/ST810S

C279
10uF_10V

R338
10K

TXCLK2-2

TXCLK2+2
B_2TX0-2
B_2TX0+2
G_2TX1-2
G_2TX1+2
R_2TX2-2
R_2TX2+2
SDA_HD22
SCL_HD22
HPLUGB2

HS_RGB3

VS_RGB3

BIN+3
SOG3
GIN+3
RIN+3

D_PB+11

D_SOY11

D_Y+11

D_PR+11

PB+4
SOY4
Y+4
PR+4

SV_C04

SV_Y04

CVBS24

CVBS14

VCOM14

AUL06
AUR06
AUL14
AUR14
AUL24
AUR24
AUL311
AUR311

AUOutL36
AUOutR36

AUOutL16,7
AUOutR16,7

VIFP5

VIFM5

SIFP5

SIFM5

TAGC5

R335
10K

RXD
TXD

Placement Near
MST.IC DAC
output Pad

2

RESET

3

Vcc

1

GND

NC

TXCLK2-

TXCLK2+

B_2TX0­B_2TX0+
G_2TX1-

G_2TX1+

R_2TX2-

R_2TX2+

SDA_HD2
SCL_HD2
HPLUGB

HS_RGB
VS_RGB
BIN+
SOG
GIN+
RIN+

D_PB+
D_SOY
D_Y+
D_PR+

PB+
SOY
Y+
PR+

SV_C0
SV_Y0

CVBS2
CVBS1
VCOM1

AUL0
AUR0
AUL1
AUR1
AUL2
AUR2
AUL3

AUOutL3
AUOutR3

AUOutL1
AUOutR1

VIFP
VIFM
SIFP
SIFM

TAGC

R336

2.0mm_Debug

10K

R371

C318

22K

10nF

R382

C322

22K

10nF

R385

C323

22K

10nF

R399

C325

22K

10nF

SIP4

P112

R368
100R

R379
100R

R384
100R

R388
100R

1
2
3
4

3
VCC

LM810M3-2.93V
DIO/MA730

1

2

GND

RESET

OPTION

R337
100R

TP10
TP11

Please
close
to
chip.

LINE_OUT_1L

LINE_OUT_1R

DAC_OUT_0L

DAC_OUT_0R

HWRESET

TU_CVBS0
VCOM0

4.7uF_16V

TAGC

Please close
to chip.

I2C_SDA5,11

I2C_SCL5,11

TXD3

RXD3

R360 47R
R357 0R

C298

C302
100nF

C286
100nF

C299
1uF_16V

C303
100pF

C300
100nF

10uF_10V

I2C_SDA

I2C_SCL
TXD
RXD

C276

27pF

CL=20pf of XTAL

X101

14.318MHZ

C278

27pF

AVDDA

R342

392R_1%

1%

C282 100nF

C283
NC

C287
100nF

NC

C288 100nF
C289 100nF

C310 47nF
C296 47nF

TP13

AUVREF
AUVRADP
AUVRADN

C297

AUL0

+

AUR0

10uF_10V

AUL1
AUR1
AUCOM
AUL2

C301 100nFR358 0R

AUR2
AUL3
AUR3AUR3

TP15
TP16

LINE_OUT_1L
LINE_OUT_1R
DAC_OUT_0L
DAC_OUT_0R
DAC_OUT_1L

TP17

DAC_OUT_1R

TP18

VIFP
VIFM
SIFM
SIFP
TAGC
TAFC

TP14

+

C307

C305

100nF

WARNING !!!

TP12

ADJ_PWM1

Mode
Selection

+3.3_STB+3.3_STB

R404

10K

PWM0 PM_PWM1

R420

NC/10K

NC

TXCLK2­TXCLK2+
B_2TX0­B_2TX0+
G_2TX1­G_2TX1+
R_2TX2­R_2TX2+
HPLUGB
SDA_HD2
SCL_HD2

HS_RGB
VS_RGB
BIN+
SOG
GIN+
RIN+

D_PB+
D_Y+
D_SOY
D_PR+

PB+
SOY
Y+
PR+

SV_C0
SV_Y0

CVBS2
CVBS1
VCOM1

CVBSOut1

C308
100nF

SAR0
SAR1
SAR2
SAR3

R405

R421

R333
1M

10K

NC/10K

243
244
246
247
249
250
252
253
254
255
256

2
5
6
7

3
4
8

9
10
11

12
14
13
15
16
17
20
21

22
23
24
25
26

27
28
29
30
31
32
33
34
35
36
38
39

68
67
66
70
71
72
73
74
75
76
77
78
79

80
81
82
83
84
85
86
87

57
56
55
54
63
60
51
50

+

C306
10uF_10V

180
181
182
183

R430 0R

NC

R334
220R

RXBCKN
RXBCKP
RXB0N
RXB0P
RXB1N
RXB1P
RXB2N
RXB2P
HPLUGB
DDCDB_DA
DDCDB_CK

REXT
VCLAMP
REFP
REFM

HSYNC1
VSYNC1
BIN1
SOGIN1
GIN1
RIN1

VCOM3
VCOM2
BIN0
GIN0
SOGIN0
RIN0
HSYNC0
VSYNC0

VSYNC2
BIN2
SOGIN2
GIN2
RIN2

C1
Y1
C0
Y0
CVBS3
CVBS2
CVBS1
VCOM1
CVBS0
VCOM0
CVBSOUT2
CVBSOUT1

AUVREF
AUVRP
AUVRM
AUL0
AUR0
AUL1
AUR1
AUCOM
AUL2
AUR2
AUL3
AUR3
AUMONO

LINEOUTL0
LINEOUTR0
LINEOUTL1
LINEOUTR1
DACOUTL0
DACOUTR0
DACOUTL1
DACOUTR1

VIFP
VIFM
SIFM
SIFP
TAGC
TAFC
VR12
VR27

DDCR_DA
DDCR_CK
DDCA_DA
DDCA_CK

SCK

168

169

SPI_DI

SPI_CK

HWRESET

2074647

XIN

XOUT

HWRESET

SAR0

SCZ

171

SPI_DO

IRIN

SDO

SAR1

SAR2

SAR3

175

176

177

174

185

R364100R

IR_SYNC

SDI

170

SPI_CZ

*high frequency, No any VIA hole!

SPI_CZ

R407 100R
R410 100R

SPI_DO

R413 NC

+3.3_STB

AVDD_AU

AVDDA

245

3753

18

209

AVDD_DVI

AVDD_ADCAVSS_VIF2

AVDD_ADC

173

242

VDDC

VDDC

VDDC

64

69

AVDD_AU

AVDD_AU

MST9B884JL-LF-3-S1

GND

AVSS_VIF4

49

+3.3_STB

CZ
DO

AVSS_VIF1

AVSS_VIF5

58

62

GND

GND

GND

1

40

65

19

I118

1

CE#

2

SO

3

WP#

4 5

VSS SI

MX25L3205DM2I-12G

PWM2/MCUCFG2

PWM0/MCUCFG0

PWM1/MCUCFG1

PWM3/MCUCFG3

178

179

194

193

PWM0

PWM2

MUTE_S

PM_PWM1

NC

109

97

98

VDDC

GND

110

HOLD#

VDDC

GND

VDD

SCK

AVDD_USB2
AVDD_VIF5
AVDD_VIF2
AVDD_VIF1
AVDDA
AVDD_AU
VDDM

AVDD_VIF2

AVDD_MPLL

526159

AVDD_VIF2

AVDD_MPLL

ICLK

DI[0]

DI[1]

DI[2]

198

199

200

DCR_CTL

AU2WS

POP_MUTE

AVDD_VIF1

AVDD_VIF5

AVDD_VIF5

DI[3]

DI[4]

203

204

201

ON-PBACK

LED_R

LED_G

R415

4.7K

AVDD_USB2

162

AVDD_VIF1

AVDD_USB2

DI[5]

DI[6]

DI[7]

205

206

HDMIS2_SEL

HDMIS1_SEL

WP_EE_B

+5V_STB

188

189

184

187

190

196

OTG_DP

GPIOT[0]

OTG_DM

OTG_CID

OTG_VBUS

USB2_REXT

MDATA[15]
MDATA[14]
MDATA[13]
MDATA[12]
MDATA[11]
MDATA[10]

GPIOL[1]

GPIOL[0]

GPIOL[2]

GPIOL[3]

4241434544

257

PW_CTL

SIF-CTL

RX1

TX1

I2C address
at A0.

1
2
3
4 5

For HDCP Key

I2C address
at A4

1
2
3
4 5

191

INT

GPIOB[0]

GPIOB[1]
USB2_DP
USB2_DM

LVSYNC

LHSYNC

LDE
LCK

LVB0M
LVB0P
LVB1M
LVB1P
LVB2M
LVB2P

LVBCKM

LVBCKP

LVB3M
LVB3P
LVB4M
LVB4P

LVA0M
LVA0P
LVA1M
LVA1P
LVA2M
LVA2P

LVACKM

LVACKP

LVA3M
LVA3P

LA4M

LVA4P

MVREF
MCLKE

MCLK

MCLKZ

DQM1

DQS[1]

MDATA[9]
MDATA[8]
MDATA[7]
MDATA[6]
MDATA[5]
MDATA[4]
MDATA[3]
MDATA[2]
MDATA[1]
MDATA[0]

DQS[0]

DQM0

MADR[0]

MADR[1]

MADR[2]

MADR[3]

MADR[4]

MADR[5]

MADR[6]

MADR[7]

MADR[8]

MADR[9]
MADR[10]
MADR[11]

WEZ
CASZ
RASZ

BARD[0]
BARD[1]

AD[2]
AD[1]
AD[0]

GPIOD[7]
GPIOD[6]
GPIOD[5]
GPIOD[4]
GPIOD[3]
GPIOD[2]
GPIOD[1]
GPIOD[0]

Thermal Pad

HDMIS2_SEL 2
HDMIS1_SEL 2
WP_EE_B 2,3

I117

A0
A1
A2
GND SDA

24C32

I119

A0
A1
A2
GND SDA

24C04

NC

GPIOB1

192
164
163

R341 909R_1%

161

241
240
239
238

RXO0-

235

RXO0- 10

RXO0+

234

RXO0+ 10

RXO1-

233

RXO1- 10

RXO1+

232

RXO1+ 10

RXO2-

231

RXO2- 10

RXO2+

230

RXO2+ 10

RXOC-

229

RXOC- 10

RXOC+

228

RXOC+ 10

RXO3-

227

RXO3- 10

RXO3+

226

RXO3+ 10

225
224

RXE0-

221

RXE0- 10

RXE0+

220

RXE0+ 10

RXE1-

219

RXE1- 10

RXE1+

218

RXE1+ 10

RXE2-

217

RXE2- 10

RXE2+

216

RXE2+ 10

RXEC-

215

RXEC- 10

RXEC+

214

RXEC+ 10

RXE3-

213

RXE3- 10

RXE3+

212

RXE3+ 10

211
210

MVREF

160

CKE

159

MCLK

158

MCLKZ

157

DQM1

156

DQS1

155

MDATA15

153

MDATA14

152

MDATA13

151

MDATA12

150

MDATA11

148

MDATA10

147

MDATA9

145

MDATA8

144

MDATA7

142

MDATA6

141

MDATA5

140

MDATA4

139

MDATA3

137

MDATA2

136

MDATA1

134

MDATA0

133

DQS0

131

DQM0

130

MADR0

125

MADR1

124

MADR2

123

MADR3

122

MADR4

121

MADR5

120

MADR6

119

MADR7

118

MADR8

117

MADR9

116

MADR10

115

MADR11

114

WEZ

113

CASZ

112

RASZ

108

BA0

107

BA1

106
101

100
99
95
94
93
92
91
90

R361 NC

89

R362 NC

88

+5V_STB +5V_STB

8

VCC

7

WP

6

SCL

+5V_STB

8

VCC

7

WP

6

SCL

USB2_OC_DET

USB2_DP
USB2_DM

R350 1K
R349 1K

R386

C324
100nF

4.7K

I2C_SCL
I2C_SDA

C328
100nF

2N3904

PANEL
INTERFACE

C293
100nF

MDATA15
MDATA14
MDATA13
MDATA12
MDATA11
MDATA10
MDATA9
MDATA8
MDATA7
MDATA6
MDATA5
MDATA4
MDATA3
MDATA2
MDATA1
MDATA0

MADR0
MADR1
MADR2
MADR3
MADR4
MADR5
MADR6
MADR7
MADR8
MADR9
MADR10
MADR11

DVB-T_DetGPIOD0
D_SDA
D_SCL

R387

4.7K

Q120

2 3

USB2_OC_DET 4
USB2_DP 4
USB2_DM 4

MVREF

C294
1nF

R340
10K

1

R321
22K

VDDM

R352
10K_1%

R355
10K_1%

MDATA[0..15]
MADR[0..11]

P114

S8B-PH_Key

Key Pad

WEZ
CASZ
RASZ
BA0
BA1
MCLK
MCLKZ
CKE
DQM0
DQM1
DQS0
DQS1

+3.3_STB

POWER

SAR0
SAR1

GND

IRIN

IR5V
LEDG
LEDR

WP_EE_B 2,3

WEZ 8
CASZ 8
RASZ 8
BA0 8
BA1 8
MCLK 8
MCLKZ 8
CKE 8
DQM0 8
DQM1 8
DQS0 8
DQS1 8

MADR[0..11] 8

1
2
3
4
5
6
7
8

C316
100nF

+3.3_STB

PW_CTL

MDATA[0..15] 8

R412 0R

+5V_STB

+5V

Memory
INTERFACE

POWER-KEY

R343 10K

R359

R356

10K

10K

R348
1K

C290

C291

100nF

1nF

C321

27pF
C317
100nF

R374 3.3K
R376 470R

Q122
2N3906

LEDG
LEDR

GPIO Control Pins

R3984.7K

R3934.7K

R39710K

AVDD_MemPLL

VDDMVDDPVDDC

143

138

132

127

128

222

236

202

195

186

166

VDDP

VDDP

VDDP

VDDP

VDDP

VDDP

111

96

149

154

VDDP

VDDM

VDDM

VDDM

VDDM

VDDM

VDDM

VDDM

48

AVDD_MEMPLL

I116

GND

GND

GND

GND

GND

GND

WRZ

AD[3]

GND

AVSS_USB2

GPIOL[4]

GPIOR[0]

248

251

165

R414 100R
R419 100R

ALE

RDZ

105

104

103

102

197

129

AU2MCKO

HDMI_CEC

ON-PANEL

MUTE-LINE

TP9

R380
22R

SPI_CK
SPI_DI

GND

GND

GND

126

146

208

223

167

237

135

172

C326
100nF

8
7

CKPWM2

6

DI

VDDP
VDDC
AVDD_MPLL
AVDD_MemPLL
+5V_STB
+3.3_STB
+5V

L129

NC/120R_0603_3A

C337

100nF

RX1
TX1

POWER-KEY

Combination key
Burn-in
Button lock

Menu lock
Factory
similar timing Menu/CH-

R345 1K

C284
1nF

R353
1K

C295

C292

1nF

100nF

R366
10K

23

1

23

Q121
2N3906

R3924.7K

R3891K

R39110K

R390NC

POP_MUTE
DCR_CTL
ON-PANEL
MUTE_S
MUTE-LINE
PW_CTL
SIF_CTLSIF-CTL

L130

120R_0603_3A

R429
100R

Enter/Menu
V+/V­V+/MenuPower lock
CH+/CH­Enter/CH+

IR_SYNC
DVB-T_Det
D_SDA
D_SCL

SAR3

C285
100nF

SAR1

SAR0

IR_SYNC

R365
10K

R378 10K

1

R370 10K

HDMI_CEC
ON-PBACK

AVDD_USB2 1,2,10,11
AVDD_VIF5 1
AVDD_VIF2 1
AVDD_VIF1 1
AVDDA 1,2,10,11
AVDD_AU 1,2,10,11
VDDM 8
VDDP 1,2,10,11
VDDC 1
AVDD_MPLL 1
AVDD_MemPLL 1,2,10,11
+5V_STB 1,2,3
+3.3_STB 1,2,10,11
+5V 1,2,4,6,7

+3.3_STB

P118

NC/B6B-PH

6P200VM

IR_SYNC 11
DVB-T_Det 11
D_SDA 11
D_SCL 11

C320

+

100nF

C319
100uF_16V

+3.3_STB

POP_MUTE 6
DCR_CTL 1
ON-PANEL 1
MUTE_S 6,7
MUTE-LINE 6
PW_CTL 1,7
SIF_CTL 5
HDMI_CEC 2
ON-PBACK 1

1
2
3
4
5
6

LED_G

LED_R

+5V_STB

R383
100R

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6.10. Panel Interface

JC279ET61S Service Manual

VPANEL1

100uF_16V

C330

VPANEL

+

C331100nF

+3.3_STB

R427820R

R423
NC

R425
NC

RXO0­RXO1-

RXOC+
RXO3+
RXE0+

RXE2+
RXE3+

LIN1
LIN3

R426
NC

VPANEL

P116

GND

GND

LIN2

2
4
6
8
10
12
14
16
18
20
22
24
26
28
30

1

RXO0-

3

RXO1-

5

RXO2-

7

GND

9

RXOC+

11

RXO3+

13

RXE0+

15

RXE1-

17

GND

19

RXE2+

21

RXEC+

23

RXE3+

25

LIN1

27

LIN3

29

PVCC

CONN15x2 TO PANEL

RXO0+
RXO1+
RXO2+

RXOC-

RXO3-

RXE0-

RXE1+

RXE2-

RXEC-

RXE3-

PVCC
PVCC

LVDS Panel ( Header Type )

P117

RXO1-

RXOC+

RXO3+

RXE0+

RXE1- RXE1+

RXE2+

RXEC+

RXE3+

LIN1
LIN3

1 2
3 4
5 6
7 8

9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27
29

NC/CON 2X15 1mm

28
30

RXO0+RXO0­RXO1+
RXO2+RXO2­RXOC-

RXO3-

RXE0-

RXE2-

RXEC-

RXE3-

LIN2

LIN2

RXO0+
RXO1+
RXO2+RXO2-

RXOC­RXO3­RXE0-

RXE1+RXE1­RXE2­RXEC­RXE3-RXEC+

R424
NC

RXO0­RXO0+
RXO1­RXO1+
RXO2­RXO2+
RXOC­RXOC+
RXO3­RXO3+

RXE0­RXE0+
RXE1­RXE1+
RXE2­RXE2+
RXEC­RXEC+
RXE3­RXE3+

RXO0- 9
RXO0+ 9
RXO1- 9
RXO1+ 9
RXO2- 9
RXO2+ 9
RXOC- 9
RXOC+ 9
RXO3- 9
RXO3+ 9

RXE0- 9
RXE0+ 9
RXE1- 9
RXE1+ 9
RXE2- 9
RXE2+ 9
RXEC- 9
RXEC+ 9
RXE3- 9
RXE3+ 9

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6.11. DTV Module Interface

JC279ET61S Service Manual

P119

CON7X2H3_2mm

NC/B14B-PH

14
13
12
11
10
9
8
7
6
5
4
3
2
1

D_Pr_IN
D_Pb_IN
D_Y_IN

D_AUR_AV
D_AUL_AV

D_SCL
DVB-T_Det
D_SDA

D_IR_SYNC

DTV Video

D_Pr_IN

In

D_Y_IN
D_Pb_IN

C261

NC/10pF

C277

NC/10pF

DTV Audio
In

D_AUR_AV

D_AUL_AV AUL3

Close to connector

R295 18K

C315
330pF

R293 18K

C313
330pF

R296
12K

R294
12K

Note:Close to MST. IC

C314
560pF

C312
560pF

C281

2.2uF_10V

C333

2.2uF_10V

Keep A_GND trace with Signal.
Keep Spacing for L/R cahnnel.
Keep trace width(12mil+).

AUR3

C280

NC/10pF

R290

R291

75R 1%

75R 1%

AUR3 9

AUL3 9

R289 47R
R288 47R
R287 47R
R286 470R

R292

75R 1%

C257 47nF
C238 47nF
C242 47nF
C249 1nF

D_PR+
D_Y+
D_PB+
D_SOY

Close to MST. IC

D_IR_SYNC
DVB-T_Det

R297 NC

R298 NC

S

23

D

3

R299 NC

3

SOT

S

23

D

SOT

2

G

1

2

G

1

D_PR+ 9
D_Y+ 9
D_PB+ 9
D_SOY 9

IR_SYNC

I2C_SCLI2C_SCLD_SCL

I2C_SCLI2C_SCL

Q123
NC/2N7002

+3.3_STB

I2C_SDA

I2C_SDAD_SDA

Q124
NC/2N7002

+3.3_STB

IR_SYNC 9

DVB-T_Det 9

D_SCL

I2C_SCL 5,9

D_SDA

I2C_SDA 5,9

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JC279ET61S Service Manual

7. WORKING THEOREM

7.1 A/D converter

This brick convert is the 110-220AC input voltage to 24V output for inverter use and 5V for panel and
scaler controller use, 12V for audio use.

7.2 INVERTER

In order to drive the CCFLs embedded in the power module, there is a half bridge inverter to convert by the
controller.
The input 24V up to hundreds of AC voltage output.
The inverter is formed by symmetric in order to drive the separate lamp modules.
The input stage consists of a PWM controller, half bridge inverter, and switching MOSFET to convert DC
input into AC output.
The output stage consists of a tuning capacitor, coupling capacitor, transformer, push-pull MOSFET pair to
boost AC output up to hundreds of voltage.
And one resister is serial to lamp for output voltage feedback.
There are two signal to control the inverter which come from system.
Logic “high” level which send to I901 is turn on the inverter.
BRI signal control brightness by DC level which was integral from PWM signal.

7.3 I116 Scaler MST9B884JL-LF-3-S1

The MST9B884JL-3 is a high performance and fully integrated IC for multi-function LCD monitor/TV
with resolutions up to WUXGA(1920x1200). It is configured with an integrated triple-ADC/PLL, an
integrated DVI/HDCP/HDMI receiver, a multi-standard TV video and audio decoder, a video de-interlacer,
a scaling engine, the MStarACE-3 color engine, an on-screen display controller and a built-in output panel
interface. By use of external frame buffer, 3-D video decoding and processing are fulfilled for high-quality
TV applications. To further reduce system costs, the MST9B884JL-3 also integrates intelligent power
management control capability for green-mode requirements and spread-spectrum support for EMI
management.

7.3.1 Auto-Configuration/Auto-Detection

. Auto input signal format and mode detection
. Auto-tuning function including phasing, positioning, offset, gain, and jitter detection
. Sync detection for H/V Sync

7.3.2 High-Performance Scaling Engines

. Fully programmable shrink/zoom capabilities
. Nonlinear video scaling supports various modes including Panorama

7.3.3 Video Processing & Conversion

. 3-D motion adaptive video de-interlacer
. Edge-oriented adaptive algorithm for smooth low-angle edges
. Automatic 3:2 pull-down & 2:2 pull-down detection and recovery
. MStar 3rd Generation Advanced Color Engine (MStarACE-3) automatic picture enhancement gives:
. Brilliant and fresh color
. Intensified contrast and details
. Vivid skin tone
. Sharp edge
. Enhanced depth of field perception
. Accurate and independent color control
. sRGB compliance allows end-user to experience the same colors as viewed on CRTs and other displays
. Support xvYCC color processing
. Programmable 10-bit RGB gamma CLUT
. 3-D video noise reduction
. MPEG artifact removal including de-blocking and mosquito noise reduction functions
. Frame rate conversion

7.3.4 On-Screen OSD Controller

. 16/256 color palette

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. 1024 1/2/4/8-bit/pixel fonts
. Supports texture function
. Supports 4K attribute/code
. Horizontal and vertical stretch of OSD menus
. Pattern generator for production test
. Supports OSD MUX and alpha blending capability
. Supports blinking and scrolling for closed caption applications

7.3.5 Hardware JPEG

. Supports sequential mode, single scan
. Supports both color picture and grayscale picture
. Operates in scan unit; hardware decoder will handle the bit stream after scan header
. Supports programmable region of interest (ROI)
. Supports format: 422/411/420/444/422T
. Decoded picture will be stored in DRAM with UYVY format
. Supports scaling down ratio: 1/2, 1/4, 1/8, applied to height and width simultaneously

7.3.6 LVDS Panel Interface

. Supports 10 bit dual link LVDS up to WUXGA (1920x1200)
. Supports 2 data output formats: Thine & TI data mappings
. Compatible with TIA/E IA
. Dithering with 6/8 bits options
. Reduced swing for LVDS for low EMI
. Supports flexible spread spectrum frequency with 360Hz~11.8MHz and up to 25% modulation

7.3.7 Integrated Micro Controller

. Embedded 8032 micro controller
. Configurable PWM’s and GPIO’s
. Low-speed ADC inputs for system control
. SPI bus for external flash

7.3.8 External Connection/Component

. Support USB 2.0 and USB1.1 host controller function
. 16-bit data bus for external frame buffer (DDR DRAM)
. All system clocks synthesized from a single external clock
. Integrated power management control with independent power plant to support deep sleep, and wake-up
from various input

7.4 I114 DDR2 HY5DU561622F(L)TP-4

The Hynix HY5DU561622FTP-5, -4 series are a 268,435,456-bit CMOS Double Data Rate(DDR)
Synchronous DRAM, ideally suited for the point-to-point applications which requires high bandwidth.
The Hynix 16Mx16 DDR SDRAMs offer fully synchronous operations referenced to both rising and falling
edges of the clock. While all addresses and control inputs are latched on the rising edges of the CK (falling
edges of the /CK), Data, Data strobes and Write data masks inputs are sampled on both rising and falling
edges of it. The data paths are internally pipelined and 2-bit prefetched to achieve very high bandwidth. All
input and output voltage levels are compatible with SSTL_2.

7.5 I111 Tuner

The Antenna receive the TV signal and modulate it to the CVBS signal which can be recognized By the
decoder and MTS audio signal output to the sound multiplexing decoder portion of IC MST9B884JL-LF-3

7.6 I601 TPA3113D2 AUDIO AMP

The TPA3113D2 is a 6-W (Per channel) efficient, Class-D audio power amplifier for driving bridged-tier
stereo speakers. Advanced EMI Suppression Technology enables the use of inexpensive ferrite bead filters
at the output while meeting EMC requirements. SpeakerGuaud speaker protection circuitry includes an
adjustable power limiter and a DC detection circuit. The adjustable power limiter allows the user to set a
“ virtual “ voltage rail lower than the chip supply to limit the amount of current through the speaker. The
DC detect circuit measures the frequency and amplitude of the PWM signal and shuts off the output stage if
the input capacitors are damaged or shorts exist on the inputs.
The output are also fully protected against short to GND, VCC, and output to output. The short circuit

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JC279ET61S Service Manual

protection and thermal protection includes an auto recovery feature.

7.7 I603 TPA6113A2

The TPA6113A2 is a stereo audio power amplifier packaged in an 8-pin SOIC package capable of
delivering 40mW of continuous RMS power per channel into 16-Ω loads Amplifier gain is extermally
configured by means of two resistors per input channel and does not require external compensation for
settings of 0 to 20 dB.

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8. WIRING DIAGRAM

JC279ET61S Service Manual

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9. PCB LAYOUT

9.1. MAIN PCB TOP VIEW

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9.2. MAIN PCB BOTTOM VIEW

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9.3. KEYPAD PCB TOP VIEW

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9.4. KEYPAD PCB BOTTOM VIEW

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9.5. IR PCB TOP VIEW

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9.6. IR PCB BOTTOM VIEW

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9.7. POWER PCB TOP VIEW

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9.8. POWER PCB BOTTOM VIEW

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10. TROUBLE SHOOTING FLOW CHART

10.1. NO POWER

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10.2. NO VOICE

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10.3 NO DISPLAY

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JC279ET61S Service Manual

11. ADJUSTMENT

11.1. ADJUSTMENT CONDITIONS AND PRECAUTIONS

11.1.1. Approximately 30 minutes should be allowed for warm up before proceeding.

11.1.2. Adjustments should be undertaken only on those necessary elements since most of them.

11.1.3. have been carefully preset at the factory.

11.1.4. ESD protection is needed before adjustment.

11.2.

MAIN ADJUSTMENTS

NO. FUNCTION DESIGNATION

1. Eeprom Initial Function Key

2. White Balance Function Key

11.3.

ALIGNMENT PROCEDURES

11.3.1 Adjustment Conditions and Precautions:

11.3.1.1. Power supply voltage:
AC 220V ± 10% 50 Hz ± 5%.

11.3.1.2. Warm up time:
The display must be power ON for at least 30 minutes.

11.3.1.3. Signals: reference the front detail specifications and timing table.
Video : reference the front detail specifications.

11.3.2 Eeprom Initial:

A. Timing: 1440x900 @ 60Hz
B. PATTERN:16 ×12 pane
C. Press “ INPUT “, “CH+” and “POWER” key go to factory mode

D. Figure 1,Select EEPROM INITIAL and press “► “. The act of EEPROM INITIAL

is completed when EEPROM INIT disappeared.

11.3.3 White Balance Adjustment :

A.

Enter to the factory mode, Source select “ D_Sub , Use 1440×900 @ 60Hz the
pattern is “ 5 block “ , then move the cursor to the White Balance . Press “► “ key.
That will do auto white balance

B.

After auto white balance, switch to the full white pattern then check the color
temperature.
WARM x=0.332 ± 0.03 y=0.350 ± 0.03
NORMAL x=0.313 ± 0.03 y=0.329 ± 0.03
COOL x=0.283 ± 0.03 y=0.297 ± 0.03

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JC279ET61S Service Manual

C.

Enter to the factory mode, Source select “ YPbPr “, Use NTSC Color Bar (FLUKE
54200 ) , Set Color bar to 100 IRE then move the cursor to the White Balance . Press
“► “ . That will do auto white balance. Finally change 16 gray scale must be claire in
each grays.

11.4. Power Consumption Check ( VGA MODE )

11.4.1 Power Consumption Check ( VGA MODE )
A. TIMING: 1920 x 1080@60Hz
B. Pattern: 1010UPRIGHTNESS PATTERN
C. BRIGHTNESS=MAX, CONTRAST=MAX.
D. The power that each MODE consumed is shown in Chart 1.

MODE

NORMAL
Stand-by

11.4.2 Check the position of the picture displayed and phase auto adjusting (VGA MODE).
Depend on the TIMING of TIMING TABLE (TABLE 3) to switch MODE in order, stay
about 10 seconds each MODE, it can changed and stored automatically each MODE. We
can’t switch over to the next MODE until AUTO ADJUST disappears.

11.4.3 HDMI MODE FUNCTION TEST
A.DVI MODE: Depend on the TIMING of TIMING TABLE (TABLE 3 ) to check

MAX POWER COMSUMED POWER LED COLOR

70W(Normal), 80W(max) BLUE

1 W (max) Amber

Chart 1

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JC279ET61S Service Manual

MODE in order.

B.HDMI MODE: make sure the 480i, 480p, 720p, 1080i ,108pTIMING is right.

11.4.4 OSD FUNCTION TEST
A. Time: 1360x768@60Hz
B. Pattern: 16*12 pane
C. Make sure that Each FUNCTION has one right action.

11.4.5 DTV FUNCTION TEST
A. Select input source to TV,

B. Input USA air channel (TABLE 1) and USA CATV channel for TV channel. .

11.4.6 YPbPr, S-VIDEO, AV, FUNCTION TEST
A. Input YPbPr, S-VIDEO, AV , signal and check.
B. Under YPbPr MODE, Make sure the 480i, 480P, 720P, 1080i ,1080p is right.

11.4.7 AUDIO FUNCTION TEST
A. Audio input includes PC AUDIO IN, S-VIDEO/AV AUDIO IN and YPbPr AUDIO

IN.

B. Under PC MODE, input PC AUDIO signal, checks whether the action of AUDIO IN

is right.

C. Under S-VIDEO/AV MODE, input L/R AUDIO signal, checks whether the action of

AUDIO IN is right.

D. Under YPbPr MODE, input L/R AUDIO signal, checks whether the action of AUDIO

IN is right.
E. Under HDMI MODE, checks whether the action of AUDIO IN is right.
F. Under DTV MODE, checks whether the action of SPDIF is right.
G. AUDIO OUT FUNCTION TEST: Under all patterns except PC pattern, The Audio

output meets active extra speaker, examines whether the extra speaker makes the

sound.

11.4.8 EARPHONE FUNCTION TEST
Under PC MODE, input PC AUDIO signal, determines whether the action of INT
SPEAKER output is right. Meets earphone with the EARPHONE, Determined whether
the action of EARPHONE output is normal.

11.4.9 All Modes Reset
After final QC step, we must to erase all saved changes again and restore the factory
defaults.
You should do “Memory Recall” again.
Turn off the LCD TV by pressing “Power” button.

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