LG 566LM User manual

566LM Service Manual
10/23/2002
TABLE OF CONTENTS
PAGE
1. PRECAUTION AND NOTICES------------------------------------------------------------------------------------- 1~2
1.1. SAFETY PRECAUTIONS ---------------------------------------------------------------------------------------- 1
1.2. PRODUCT SAFETY NOTICE----------------------------------------------------------------------------------- 1
1.3. SERVICE NOTES-------------------------------------------------------------------------------------------------- 1
2. SERVICE TOOL & EQUIPMENT REQUIRED---------------------------------------------------------- 2
3. SPECIFICATIONS----------------------------------------------------------------------------------------------------- 2~4
3.1. PRODUCT SPECIFICATIONS------------------------------------------------------------------------------ 2
3.2. SUPPORTING TIMING CHART---------------------------------------------------------------------------- 3~4
3.3. D-SUB 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 -------------------------------------------------------------------------------------------- 8~15
6.1. POWER & VGA---------------------------------------------------------------------------------------------------- 8
6.2. RGBADC------------------------------------------------------------------------------------------------------------ 9
6.3. uC & CON---------------------------------------------------------------------------------------------------------- 10
6.4. ZiproTC_t0946----------------------------------------------------------------------------------------------------- 11
6.5. OUTPUT------------------------------------------------------------------------------------------------------------ 12
6.6. Panel_POWER----------------------------------------------------------------------------------------------------- 13
6.7. AUDIO -------------------------------------------------------------------------------------------------------------- 14
6.8. AC-DC POWER --------------------------------------------------------------------------------------------------- 15
7. WORKING THEOREM----------------------------------------------------------------------------------------------- 16~17
8. WIRING DIAGRAM--------------------------------------------------------------------------------------------------- 18
9. PCB LAYOUT----------------------------------------------------------------------------------------------------------- 19~26
9.1. MAIN PCB TOP VIEW ------------------------------------------------------------------------------------------- 19
9.2. MAIN PCB BOTTOM VIEW------------------------------------------------------------------------------------- 20
9.3. CON PCB TOP VIEW -------------------------------------------------------------------------------------------- 21
9.4. CON PCB BOTTOM VIEW -------------------------------------------------------------------------------------- 22
9.5. AUDIO & IN PCB TOP VIEW----------------------------------------------------------------------------------- 23
9.6. AUDIO & IN PCB BOTTOM VIEW ---------------------------------------------------------------------------- 24
9.7. POWER PCB TOP VIEW ---------------------------------------------------------------------------------------- 25
9.8. POWER PCB BOTTOM VIEW---------------------------------------------------------------------------------- 26
10. TROUBLE SHOOTING FLOW CHART ------------------------------------------------------------------------- 27~30
10.1. NO POWER -------------------------------------------------------------------------------------------------------- 27
10.2. MCU NO FUNCTION -------------------------------------------------------------------------------------------- 28
10.3. NO DISPLAY------------------------------------------------------------------------------------------------------- 29
10.4. LOSE COLOR------------------------------------------------------------------------------------------------------ 30
11. ADJUSTMENT---------------------------------------------------------------------------------------------------------- 31~32
11.1. ADJUSTMENT CONDITIONS AND PRECAUTIONS------------------------------------------------------- 31
11.2. MAIN ADJUSTMENTS ------------------------------------------------------------------------------------------- 31
11.3. ALIGNMENT PROCEDURES----------------------------------------------------------------------------------- 31
12. ELECTRICAL PARTS LIST ---------------------------------------------------------------------------------------- 33~42
13. SVC BOM----------------------------------------------------------------------------------------------------------------- 43

566LM Service Manual
-1- 5/20/2002
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 the
protection 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 before
soldering.
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.

566LM Service Manual
-2- 5/20/2002
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 15.0" TFT
Power Management Energy Star compliant VESA
DPMS compatible
< 3W
Displayable Resolution XGA 1024× 768 (max.)
Pixel Dimension 0.297× 0.297mm
LCD Display Color 16.7M Color Max. (24bit)
Viewing Angle CR≧10
Horizontal: -60°~+60°
Vertical: -55°~+45°
Tilt +90°, -5°
Contrast Ratio 250 : 1 (min.)
400 : 1 (typ.)
Brightness 200cd/ m2 (min.)
250 cd/m2 (typ.)
Response Time Tr: 13 ms Tf: 27ms (typ.)
Active Display Area 304.1mm× 228.1mm
Temperature Operating: 0°C ~ +35°C
Storage: -20°C ~ +60°C
Compliance UL, CSA, DHHS, TÜV, CE, FCC-B, VDE-B, Energy Star.
Power Input Voltage: 100~240 Vac
Consumption: 35 Watts (Max.)
Audio 1Watt(L) + 1Watt(R)

566LM Service Manual
-3- 5/20/2002
3.2. SUPPORTING TIMING CHART
ITEM 1 2 3 4 5
TIMING 720×400@70Hz 640×480@60Hz 640×480@67Hz 640×480@75Hz 800×600@56Hz
Pixel Rate 28.322MHz 25.175MHz 30.240MHz 31.500MHz 36.000MHz
H TOTAL 31.778us 31.778us 28.571us 26.667us 28.444us
H DISPLAY 25.422us 25.422us 21.164us 20.317us 22.222us
H B-Porch 1.907us 1.907us 3.175us 3.810us 3.556us
H Width 3.813us 3.813us 2.116us 2.032us 2.000us
H Border 0.318us 0.318us 0.000us 0.000us 0.000us
V TOTAL 14.268ms 16.683ms 15.000ms 13.334ms 17.778ms
V DISPLAY 12.711ms 15.253ms 13.714ms 12.800ms 17.066ms
V B-Porch 1.112ms 1.049ms 1.114ms 0.427ms 0.626ms
Vs Width 0.064ms 0.064ms 0.086ms 0.080ms 0.057ms
V Border 0.222ms 0.254ms 0.000ms 0.000ms 0.000ms
H/V Sync -/+ -/- -/- -/- +/+
Interlace No. No. No. No. No.
ITEM 6 7 8 9 10
TIMING 800×600@60Hz 800×600@72Hz 800×600@75Hz 832×[email protected] 1024×768@60Hz
Pixel Rate 40.000MHz 50.000MHz 48.500MHz 57.280MHz 65.000MHz
H TOTAL 26.400us 20.800us 21.333us 20.112us 20.677us
H DISPLAY 20.000us 16.000us 16.162us 14.525us 15.754us
H B-Porch 2.200us 1.280us 3.232us 3.771us 2.462us
H Width 3.200us 2.400us 1.616us 1.118us 2.092us
H Border 0.000us 0.000us 0.000us 0.000us 0.000us
V TOTAL 16.579ms 13.853ms 13.333ms 13.417ms 16.666ms
V DISPLAY 15.840ms 12.480ms 12.800ms 12.552ms 15.880ms
V B-Porch 0.607ms 0.478ms 0.448ms 0.784ms 0.600ms
Vs Width 0.106ms 0.125ms 0.064ms 0.060ms 0.124ms
V Border 0.000ms 0.000ms 0.000ms 0.00ms 0.000ms
H/V Sync +/+ +/+ +/+ -/- -/-
Interlace No. No. No. No. No.

566LM Service Manual
-4- 5/20/2002
ITEM 11 12 13 14 15
TIMING 1024×768@70Hz 1024×768@75Hz
Pixel Rate 75.000MHz 78.750MHz
H TOTAL 17.707us 16.660us
H DISPLAY 13.653us 13.003us
H B-Porch 1.920us 2.235us
H Width 1.813us 1.219us
H Border 0.000us 0.000us
V TOTAL 14.272ms 13.328ms
V DISPLAY 13.599ms 12.795ms
V B-Porch 0.513ms 0.466ms
Vs Width 0.106ms 0.050ms
V Border 0.000ms 0.000ms
H/V Sync -/- +/+
Interlace No. No.
3.3. D-SUB CONNECTOR
D-SUB 15 PIN CONNECTOR
SIGNAL LEVEL
CONNECTOR SIGNAL DESCRIPTION
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
12345
678910
11 12 13 14 15
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
5.GND 10.GND 15.SCL

5/20/2002 -5-
4.1. EXPLODED VIEW
(566LM)
FIG.1
FIG.2
FIG.3
FIG.4
POWER PCB ASS'Y
9H01
9R81
9S03 X4 9S01
9H01
9S02
NOTE.1 FIG.5
2C09X2
FIG.1
2C04X2
2C03
2C05
2C07
2C08
2C09X2
2C06
2C05
2C01
2C02
AUDIO-IN PCB ASS'Y
I/O CABLE
1F24 X2
P984
1F20
1F25 X2
1F22
1F23
1F01
1F03
1F04
1F05
1F05 1F06
1F02
W601
1F06
AUDIO PCB ASS'Y 9S61
9H61
5B02
5B04 X4
X2
5B03 X4
5B01
5B08 X4
5B07
5B05
5B06
MAIN PCB ASS'Y
KEYPAD PCB ASS'Y
1F30 X2
1F11
U901
V901
1F09 X4
1F09 X4
1F07
X3
1F08
X2
1F10
X9
1F10
X4
1F16
1F14
1F15 X4
P983
FIG.2
1F18
1F19
FIG.5 X4
1F17
FIG.3
1F12
1F13
X2
1F21
1F26
FIG.4
MAIN PCB BOTTOM SIDE
NOTE.2
1F32
NOTE.2

566LM Service Manual
-6- 5/20/2002
4.2. EXPLODED VIEW PARTS LIST
Ref. No. Source Part No. DESCRIPTION SPECIFICATION Q‘TY REMARK
1F01 2024262606 FRONT BEZEL ABS+PC PS7604B LG 1
1F02 2044261901 FUNCTION KEY ABS+PC 94V0 PS-7604B 1
1F03 2054252302 ORNAMENT SQR KEY ABS+PC 94V0 BLACK 1
1F04 2053752201 LED INDIC.-PWR JT166L LED LENS PMMA 94HB(SQR) 1
1F05 2061252400 SPONGE 36X23X3t EVA 2
1F06 2084730082 SCREW,BND T+ M3X8(BND T+) 2
1F07 2071859100 BRACKET,FIX JT166L LCD B'KT SECC t=1.0 1
1F08 2082730062 SCREW,BND+ M3X6(BND+) 3
1F09 2080002200 SCREW,SPE L355 M3x6 DH NICKEL-PLATED 8
1F10 2084730082 SCREW,BND T+ M3X8(BND T+) 11
1F11 2072450100 INSULATOR JT166E PC 185LX25.3WX14.6HX.2t 1
1F12 2071661700 SHIELD PLATE STOTEC 15 SPTE 0.3t INVERTOR 1
1F13 2082730062 SCREW,BND+ M3X6(BND+) 1
1F14 2072451900 INSULATOR NYLAR t=0.2mm 94V0 1
1F15 2085730062 SCREW,B OTW+ 3X6(+) SWRM-3 ZMC2-C 4
1F16 2082730062 SCREW,BND+ M3X6(BND+) 4
1F17 2082730062 SCREW,BND+ M3X6(BND+) 4
1F18 2071662100 SHIELD PLATE SPTE t=0.3mm SLIM PANEL CPT 1
1F19 2082730062 SCREW,BND+ M3X6(BND+) 1
1F20 2071960200 METAL FITTG L355 SECC t=0.8 1
1F21 2085730082 SCREW,B OTW+ SCREW B OTW+ M3X8 2
1F22 2085740082 SCREW,B OTW+ SCREW B OTW+ M4X8 1
1F23 2085740082 SCREW,B OTW+ SCREW B OTW+ M4X8 1
1F24 2080002300 SCREW,SPE L355 M3*8 DH NICKEL-PLATED 2
1F25 2082730062 SCREW,BND+ M3X6(BND+) 2
1F26 2074191000 HOLDER JK1461 JEAN 1
1F30 2084730062 SCREW,BND T+ M3X6(BND T+) 2
1F32 2072453400 INSULATOR JT166L PVC 0.3t 1
2C01 2022259105 CABI BACK JT166LP13 ABS+PC 94V0 BLACK 1
2C02 2071958300 METAL FITTG VE170 KENSINGTON 1
2C03 2054253201 ORNAMENT LG LOGO ABS 94HB BLACK 1
2C04 2082730064 SCREW,BND+ M3X6(BND+)(BLK) 2
2C05 2084740104 SCREW,BND T+ M4X10(BND T+) (BLK) 2
2C06 2084730084 SCREW,BND T+ M3X8(BND T+) (BLK) 1
2C07 2027255505 DUST COVER BACK COVER ABS+PC 94V0 BLACK 1
2C08 2082730064 SCREW,BND+ M3X6(BND+)(BLK) 1
2C09 2087340086 SCREW,B SPW+ M4X8 B SPW+ φ3.96 NYLON 4
5B01 2028255104 STAND ABS 94HB BLACK 1
5B02 2071961200 METAL FITTG JT166L STAND PLATE SECC t=2.0 1
5B03 2084740082 SCREW,BND T+ M4X8(BND T+) 4
5B04 2039802301 FOOT PAD CR 420xφ16.5x5.8 4
5B05 2106653100 HINGE JT166L HINGE -5'~20' W/ LOCK 1
5B06 2027255404 DUST COVER STAND BACK ABS 94HB BLACK 1
5B07 2027255604 DUST COVER STARD FRONT ABS 94HB BLACK 1
5B08 2085740082 SCREW,B OTW+ SCREW B OTW+ M4X8 4
9H01 2072258100 HEAT SINK AL-6063S t=1.5mm 2
9H61 2072250100 HEAT SINK A6063S-T5 1
9R81 2429150100 TUBE,SILICON JT156D2 TO-220ST 0.4mm 1
9S01 2105250700 SPRING PLATE SUS 301 1
9S02 2084730082 SCREW,BND T+ M3X8(BND T+) 1
9S03 2084730082 SCREW,BND T+ M3X8(BND T+) 4
9S61 2084730102 SCREW,BND T+ M3X10(BND T+) 2

I109
Zipro TC_t0946
LCD CONTROLLER
LCD FLAT PANEL
FLAT PANEL INTERFACE
48 Bits
INVERTER
I107
Microprocessor
KeyPad
SWITCHING POWER SUPPLY
& DC/DC
AC 110~220V
INPUT
12V for INVERTER
TO
BACKLIGHT
High Volt
STH, LP,
HMS1_O,
HMS2_E,
POL, CKH,
CLKV, STV
LGE-566LM LCD Monitor Block Diagram
R,G,B analog Input
OSC.
12MHZ
X101
Q101,I118
for
Panel Power
Control CKT
+5V
(PANEL power ON/OFF Control)
D-SUB 15PIN
I103
24LC21
DDC
EEPROM
DDC-SDA
DDC-SCL
& +5V
FROM D-SUB
15 PIN
I108
24LC16
EEPROM
I2C BUS(SDA,SCL)
Hsync
Vsync BUF
I102
74F14
SHSYNC_UC
SVSYNC
ASICPDP
CKADCA
CSIN
TTfc-INTn
TTfc-RSTn
R/G/B
Out OVI OVFB
I111
OSD IC
T857D
OVCLK
OVHS
OVVS
BACKLIT ON/OFF & Brightness control
PANELPWR
I101-3.3V I110-2V5
+2V5
OSC.
14.318MHz
X102
+3V3
+5V for Microprocessor
I104,I105
3V3
+3V3 +3V45
(Adjustable)
+9V2+18V-6V
+5V
(VCC)
I2C BUS(SDA,SCL)
ZHSYNC
SHSYNC
I2C BUS(SDA,SCL)
RGHS
SVSYNC
RGB 24bits
COAST
I106
AD9883KST-110
I119
AIC1341
DC-DC for Panel
DDC-SCL
DDC-SDA
(PANEL power ON/OFF Control)
(D-SUB 15PIN)
I601 TDA7057AQ TO Speakers
Volume Control
5. BLOCK DIAGRAM
5/20/2002 -7-

(1) SMD capacitor - temperture is 85
℃
& voltage is 50V, if not indicated.
(3) AL-EL capacitor - temperture is 105
℃
, if not indicated.
(2) SMD resistor - power rating is 1/10W , if not indicated.
GREEN ORANGE
KEY PAD
To P802
6. SCHEMATIC DIAGRAM
6.1. POWER & VGA
566LM 5/20/2002 -8-
GIN
RIN
BIN
VSYNC_A
VSYNCIN
HSYNC_A
DDCSCL
VSYNC_A
DDCSDA
G
B
+3V3
DDCSDA
DDCSCL
HSYNCIN
VSYNC_A
HSYNC_A
R
DOWN
2
PSM/LED
PWR/LED
UP 1
GND
PWR/SW
VCC
DC_EN
12VIN
VCC
VCC
VCC VCC VCC
DDCSCL
DDCSDA
DDCSCL
DDCSDA
SVSYNC
SHSYNC
SHSYNC_UC
VGAG
BIN
GIN
RIN
PANELPWR
VDDCA
VDDCA
+3V3
VDDCA
D106
LL4148
1 2
R101
10K
R102
4K7
R111 100R
D108
DIODE ZENER /5V6
I103
24LC21
1
2
3
4 5
6
7
8
NC
NC
NC
GND SDA
SCL
VCLK
VCC
C111
100n
R114 100R
D109
DIODE ZENER /5V6
S703S704
C114
100n
S705
S701
D701S702
P701
8 HEADER
1 2 3 4 5 6 7 8
C104
1000p
+
47uF/16V
C101
P102
CON7
1
2
3
4
5
6
7
C105
1000p
+
100uF/16V
C103
1117-3V3
I101
3 2
1
IN OUT
ADJ
D104
LL4148
12
R119 NC D117
LL4148
1 2
D118
LL4148
1 2
R103
22R
R121 100R
R120 100R
R105 200R
R106 200R
R110
75R, 1%
R109
75R, 1%
R108
75R, 1%
R107 200R
C112
1000P
D126
LL4148
1 2
C113
47p
D132
LL4148
1 2
R112
4K7
R113
4K7
C102
100n
I102B
74F14D
3 4
I102C
74F14D
5 6
I102D
74F14D
9 8
P101
S5B-XH-A 5P/P=2.5
1
2
3
4
5
D105
LL4148
1 2
I102E
74F14D
11 10
C107
22p
D130
LL4148
1 2
D131
LL4148
1 2
C108
22p
Q101
MMBT3904
12
3
+
47uF/16V
C110
C109
22p
I102A
74F14D
1 2
14
7
D127
LL4148
1 2
D129
LL4148
1 2
R115 100R
R118 100R
D107
LL4148
1 2
P110
8 PIN SOCKET
+
47uF/16V
C106
P109
CON6
1
2
3
4
5
6

SLAVE ADDRESS: 98
(1) SMD capacitor - temperture is 85
℃
& voltage is 50V, if not indicated.
(3) AL-EL capacitor - temperture is 105
℃
, if not indicated.
(2) SMD resistor - power rating is 1/10W , if not indicated.
6.2. RGBADC
566LM 5/20/2002 -9-
RIN
PCGA2
PCGA1
PCBA0
PCGA6
PCRA1
PCRA2
PCGA7
PCRA4
PCRA6
PCRA5
PCGA0
PCGA3
PCGA4
PCRA3
PCRA0
PCRA7
PCGA5
VOP
COAST
GIN
BIN
IGA7
IGA4
IRA5
IRA6
IGA5
IRA2
IRA1
IRA4
IRA3
IRA0
IGA6
IRA7
IGA2
IGA0
IGA3
IGA1
IBA6
IBA4
IBA3
PCBA6
PCBA1
PCBA2
IBA5
IBA0
PCBA5
PCBA3
IBA1
IBA7
PCBA4
PCBA7
IBA2
VREFADC
COAST
VCC
VCC
RGHS
SDA
SCL
VGAG
BIN
GIN
RIN
COAST
IRA[0..7]
IGA[0..7]
IBA[0..7]
CKADCA
ZHSYNC
SVSYNC
CSIN
3.3VCC3
VPLL
+3V3
VPLL
VOP
VD
3.3VCC3
VOP
VD
VPLL
VPLL
C164
100n
C115
100n
+
C122
100uF/16V
C135 47n
C121
100n
C120
100n
R126 22R
L103
BEAD/200R
+
C142
100uF/16V R141 47R
L102BEAD/200R
R145 47R
R130
0R
I104
3V3/SOT89
2
1
3
VI
GND
VO
R143 100R
R140 100R
C119
100n
C141
100n
C118
100n
C126
NC
C127
NC
C134
100n
C125
100n
C129
NC
C130
NC
C117
100n
C128
NC
C131
NC
C124
100n
C143
8200p/X7R
C133
NC
C123
100n
C132
NC
C146
NC C147
100n
R142
2K7/1%
C144
82nF/16V/X7R
C138 1000P
C137 47n
C136 47n
R136 0R
C149
100n
I105
3V3/SOT89
2
1
3
VI
GND
VO
+
C150
1000uF/6.3V
R128 220R
R127
2K2
C139
NC
R137
2K2
R133 0R
R144 NC
R139 47R
C140
22p
+
C116
100uF/16V
R124 47RX4
1
5
2
6
3
7
4
8
R129 47RX4
1
5
2
6
3
7
4
8
R122 47RX4
1
5
2
6
3
7
4
8
L101NC
C148
22p
R135 47RX4
1
5
2
6
3
7
4
8
R138 47RX4
1
5
2
6
3
7
4
8
R131 47RX4
1
5
2
6
3
7
4
8
+
C145
47uF/16V
I106
AD9883A/KST-110
54
48
43
49
38
30
31
29
58
37
33
26 27 39 42 45 46 51 52 59 62 34 35 11 22 23 69 78 79
1 10 20 21 24 25 28 32 36 40 41 44 47 50 53 60 61 63 68 80
70
71
72
73
74
75
76
77
2
3
4
5
6
7
8
9
12
13
14
15
16
17
18
19
67
66
64
65
57
56
55
Rain
Gain
Bain
SOGIN
CLAMP
HSYNC
VSYNC
COAST
REF
MIDSCV
FILT
VD VD VD VD VD VD VD VD VD VD
PVD PVD
VDD VDD VDD VDD VDD VDD
GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND
R7
R6
R5
R4
R3
R2
R1
R0
G7
G6
G5
G4
G3
G2
G1
G0
B7
B6
B5
B4
B3
B2
B1
B0
DATACLK
HSOUT
VSOUT
SOGOUT
SDA
SCL
A0

IIC TESTER
INVERTER
CONNECTOR
KEY MATRIX
(1) SMD capacitor - temperture is 85
℃
& voltage is 50V, if not indicated.
(3) AL-EL capacitor - temperture is 105
℃
, if not indicated.
(2) SMD resistor - power rating is 1/10W , if not indicated.
6.3. uC & CON
566LM 5/20/2002 -10-
SCL
SDA
SDA
SCL
/WC-EE
SDA
TTfc-INTn
/WC-EEP
BRIGHTNESS
POWERSW
PMLED
LED1
BACKLIT
LED2
SCL
PMLED
UP
SELECT
MENU
UP
DOWN
ON/OFF
SDA
SCL
DDCSDA
DDCSCL
LED1
LED2
TTfc-INTn BACKLIT
PANELPWR
SVSYNC
SHSYNC_UC
XTAL1
XTAL2
RESET
RESET
BRI
MUTE
SELECTASICPDP
ASICPDP
DOWN
MENU
TTfc-RSTn
TTfc-RSTn
POWERSW
PANELPWR
BACKLIT
/WC-EEP
/WC-EE
UP
SELECT
DOWN
MUTE
MENU
POWERSW
PWRLED
PWRLED
12VIN
VCC
VCC
VCC
VCC
VCC
VCC
VCC
ASICPDP
MUTE
VCC
VCC
VCC
PANELPWR
TTfc-INTn
SVSYNC
SHSYNC_UC
SCL
SDA
TTfc-RSTn DDCSCL DDCSDA
BRI
SDA
SCL
TTfc-INTn
TTfc-RSTn
Q118
MMBT3904
12
3
+
C151
10uF/50V
R162
1K
R1554K7
R1694K7 R1714K7 R1644K7
16
717
18 28
29 39
40
P111
PLCC44 IC SOCKET
C154
100n
L104
BEAD/T3.5X0.8X9
C153
100n
R150 1K
R147
4K7R148 4K7
P103
S5B-PH-K 5P/P=2.0
1
2
3
4
5
R153
470
P104
CON8
1
2
3
4
5
6
7
8
R149
4K7
R154
470
P105
8 PIN SOCKET
R151 1K
R176
NC
R161
10K
P106
NC
1
2
3
4
R152
2K2
I108
AT24C16/DIP8
1
2
3
4 5
6
7
8
PRE
E1
E2
VSS SDA
SCL
/WC
VCC
C165
100n
R1684K7
R177100R
R1724K7 R1674K7
R1574K7 R1564K7
C157 220p
R1584K7
C161 220p C155 220p C158 220p
R1894K7
C159 220p C160 220p
R1594K7
R173
100R
R1654K7
+
C163
1uF/50V
Q102
MMBT3906
13
2
C156 220p
C152
100n
C162
330P
D110
LL4148
1 2
R160
100K
C166
33p
X101
12MHz
C167
33p
R175
1M I107
8051+64FlashROM/PLCC44
35
21
20
10
14
15
16
17
2
3
4
5
6
7
8
9
43
42
41
40
39
38
37
36
24
25
26
27
28
29
30
31
19
18
32
33
13
11
4422 1 12
23 34
EA/VP
X1
X2
RESET
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P1.0/T2
T1.1/T2EX
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.7/RD
P3.6/WR
PSEN
ALE/P
P3.1/TXD
P3.0/RXD
VCCVSS
P4.2 P4.3
P4.0 P4.1
Q103
MMBT3906
13
2
R1884K7
Q104
MMBT3904
12
3
R146
1K

Cap. needed to Close to IC Pin
(1) SMD capacitor - temperture is 85
℃
& voltage is 50V, if not indicated.
(3) AL-EL capacitor - temperture is 105
℃
, if not indicated.
(2) SMD resistor - power rating is 1/10W , if not indicated.
566LM 5/20/2002 -11-
6.4. ZiproTC_t0946
OVB
N72
N71 OVFB
SCL
OVCLK
OVG
OVHS
OVRN73
OVI
N70
SDA OVVS
IGA5
IBA2
PGB2
PBB3
PVS
XO
OVI
OVVS
IRA5
IRA3
IRA1
PRA4
PGA7
PBA6
PBA2
PBB7
OVHS
CKADCA
IGA3
IBA5
IBA0
PGA4
IRA2
IBA6
PRA7
OVG
OVFB
IRA4
IGA2
PBA3
PRA3
PRA0
PBA5
XI
OVCLK
IGA0
IBA1
PRA5
PGA3
PHS
RGHS
IBA7
PRB0
PGA2
PGB4
PGB3
PBA1
COSAT
ZSCL
IBA4
PGB5
PBA4
PBB0
ZSDA
IRA0
IGA1
PRB3
PGB7
PGB1
PBB5
PBB4
PBB2
PBB1
TTfc-RSTn
SVSYNC
ZHSYNC
PRA1
PGA0
PBA0
IGA6
IGA4
IBA3
PGA5
OVB
IRA7
PRB6
PRB5
PBB6
IRA6
PGA6
PGB0
TTfc-INTn
PRA2
PRB7
PRB2
PGA1
PDE
OVR
PRA6
PRB1
PBA7
ZCLKH
IGA7
PRB4
PGB6
CSIN
ASICPDP
VOLUME
BRI
VCC
VOLUME
BRI
ASICPDP
IRA[0..7]
IGA[0..7]
IBA[0..7]
SVSYNC
ZHSYNC
CKADCA
SHSYNC
CSIN
TTfc-INTn
RGHS
COAST
TTfc-RSTn
SDA
SCL
STV1
CLKV
HMSB
HMSA
LP
POL
STH1
CKH
PRA[0..7]
PRB[0..7]
PGA[0..7]
PBA[0..7]
PGB[0..7]
PBB[0..7]
VCC
12VIN
VOLUME
VCC
MUTE
+2V5
+2V5
+3V3+3V3Z
+2V5+3V3Z
VDDAP
+2V5+3V3
C187
33p
R190
1M
C188
33p
X102
14.318MHz
C342
22p
R296
0
R184
47RX4
1
5
2
6
3
7
4
8
+
C183
220uF/16V
+
C182
100uF/16V
R181
100RR182 1K
R185 100R
C186
100n
R187 100R
I111
T8575D
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
VSS
XIN
NC
VDD
HS
SSB
SDA
SCLK VDD
VS
INT
FB
B
G
R
VSS
C184
NC
+
C340
10uF/50V
R298
4K7
R300
4K7
Q122
MMBT3904
1
2
3
PVS1
1TP
PDE1
1TP
R299
5K6
PHS1
1TP
R301
2K2
Q123
MMBT3904 1
2
3
R302
4K7
GP1
1TP
P112
CON3/P=2.0mm
1
2
3
T-con control signal
INPUT INTERFACE
T-con OUTPUT INTERFACE
OSD INTERFACE
MODE DETECTOR
CRYSTAL
I109
ZiproTC_t0946
128
155
154
153
152
151
150
149
148
147
146
145
144
143
142
141
140
138
137
136
135
134
133
132
131
129
130
55
57
58
59
60
61
28
30
160
159
158
157
4
3
2
1
48
49
51
52
53
54
24
26
37
38
39
40
84
83
82
81
33
34
35
45
46
47
32
31
80
79
78
77
44
43
42
41
65
64
66
63
12
13
124
122
123
119
121
9
10
118
23
69
68
11
102
103
105
106
107
108
109
110
112
113
114
115
125
126
76 62
15
16
17
18
117
19
20
21
8 25 27 36 56 70 100 116 156 7
14 29 67 98 111 139 22 85 104 120 127
5 6
71
50
ICLK(YUVLLC)
IR7/Y7/YUV7/D11
IR6/Y6/YUV6/D10
IR5/Y5/YUV5/D9
IR4/Y4/YUV4/D8
IR3/Y3/YUV3/D7
IR2/Y2/YUV2/D6
IR1/Y1/YUV1/D5
IR0/Y0/YUV0/D4
IG7/YUVLLC2/D3
IG6/YUVVS/D2
IG5/YUVHS/D1
IGRN4/D0
IG3/YUVODD
IG2/YUVVREF
IG1/YUVHREF
IG0/YUVCREF
IB7/UV7
IB6/UV6
IB5/UV5
IB4/UV4
IB3/UV3
IB2/UV2
IB1/UV1
IB0/UV0
IVSYNC
IHSYNC
ODRED7
ODRED6
ODRED5
ODRED4
ODRED3
ODRED2
ODRED1
ODRED0
EVRED7
EVRED6
EVRED5
EVRED4
EVRED3
EVRED2
EVRED1
EVRED0
ODGRN7
ODGRN6
ODGRN5
ODGRN4
ODGRN3
ODGRN2
ODGRN1
ODGRN0
EVGRN7
EVGRN6
EVGRN5
EVGRN4
EVGRN3
EVGRN2
EVGRN1
EVGRN0
ODBLU7
ODBLU6
ODBLU5
ODBLU4
ODBLU3
ODBLU2
ODBLU1
ODBLU0
EVBLU7
EVBLU6
EVBLU5
EVBLU4
EVBLU3
EVBLU2
EVBLU1
EVBLU0
PDE
PVS
PHS
CLKH
IDE
VGAHS
CSYNC
RGHS
COAST
CLAMP/PWMR0
PWM
XI
XO
IICADDR
RSTN
SDA
SCL
POWERPD
HMSE
HMSO
GPO2
GPO1
GPO0
STV3
STV1
CLKV
SHC
RLSC
LP
POL
STH8
STH1
AP SP
OVCLK
OVR
OVG
OVB
OVI
OVFB
OVS
OHS
GND GND GND GND GND GND GND GND GND VSSAP
VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD33 VDD33 VDD33 VDD33 VDD33
VSSAM VDDAP
VDD33
INTN
D119
NC
1 2
+
C190
100uF/16V
SHC1
1TP
I110
2V5/SOT89
2
1
3
VI
GND
VO
+
C168
100uF/16V
+
C175
100uF/16V
L180
BEAD/200R
C170
100n
C169
100n
R178
22R
R180 100R
R179 NC
C189
100n
R186
BEAD/TB201209B800
L107
BEAD/200R
L105
BEAD/200R
C172
100n
L106
BEAD/200R
C174
100n
C173
100n
C171
100n
C179
100n
C177
100n
C176
100n
C181
100n
C180
100n
C178
100n
R183 100R

VDDA: +9V2(+/- 0.3V) VEEG: -6V(+/- 0.6V)
VDDG: +18V(+/- 1V) VCOM: +3V45(+/- 0.5V) - Adjustable
(1) SMD capacitor - temperture is 85
℃
& voltage is 50V, if not indicated.
(3) AL-EL capacitor - temperture is 105
℃
, if not indicated.
(2) SMD resistor - power rating is 1/10W , if not indicated.
Remark:
6.5. OUTPUT
566LM 5/20/2002 -12-
CLKV
LP
STH1
HMSA
STV1
PGA6
PGA2
PGA0
PGA4
PBA2
PBA0
PBA4
PBA1
PBA3
PGA7
PGA1
PGA5
PGA3
PBA7
PBA5
PBA6
PRA0
PRA5
PRA6
PRA7
PRA4
PRA2
PRA3
PRA1
PRB7
PRB3
PRB4
PRB2
PRB0
PRB6
PRB5
PRB1
PGB7
PGB6
PGB5
PGB3
PGB4
PGB1
PGB2
PGB0
PBB5
PBB4
PBB3
PBB0
PBB1
PBB6
PBB2
PBB7
CKH
RA0
RA2
RA2
OCKV OPOL
RA1
RA1
OLP
OSTV1
RA0
OLP
STH1
OPOL
GA5
RA4
BB4
BA1
RB3
RB2
BA1
CKH
RA6
GA7
RA3
RA5
GB3
BA3
RA7
BB7BA7
GB0
BA0
BB2GA0
GA3
BA2
GA0
GA3
BB1
REVA
GB1
BA5
BA6GA5
GA2
RB7
GA4
RA5
BB3
REVB
GA1
BA5
GA1
GA6
BA6
GA4
GB6
GB2
GB5
RA6
RA7
GB4
GA7
RA3
REVA
BB5
BA4
GA2
GB7
BA7
BA4
RB4
BA2
RB6
RB0
BA3
REVB
RB1
RA4
RB5
RB6
BB6
BB0
BA0
GA6
HMSB
POL
RB0
RB1
RB2
RB3
RB4
RB5
RB7
GB0
GB1
GB2
GB3
GB4
GB5
GB6
GB7
BB0
BB1
BB2
BB3
BB4
BB5
BB6
BB7
OCKV
OSTV1
PRB[0..7]6
PGB[0..7]6
PBB[0..7]6
VDDA
VDDG
VEEG
VCOM
PRA[0..7]
PGA[0..7]
PBA[0..7]
CLKV
STV1
LP
STH1
HMSA
CKH
HMSB
POL
VEEG
VDDG
S3V3
SVCM
SVCM
SV92A
SV92A
S3V3+3V3
L125
BEAD/200R
1
VGL1
1TP
L120
BEAD/200R
1
C262
100n
1
P114
CON50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
GND
GND
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7
GND
EG0
EG1
EG2
EG3
EG4
EG5
EG6
EG7
GND
EB0
EB1
EB2
EB3
EB4
EB5
EB6
EB7
GND
GND
VCOM
VCOM
VCOM
VCOM
VCOM
VCOM
VDDD
VDDD
VDDD
VDDD
VDDD
VDDD
STV
CLKV
VDDG
VDDG
VEEG
VEEG
GND
GND
C267
100n
1
C239
100n
1
C194
100n
1
C196
100n
1
C195
100n
1
C241
NC
1
C240
100n
1
C237
100n
1
C238
100n
1
+
C192
100uF/16V
C216
100n
1
C215
100n
1
C217
100n
1
C218
100n
1
+
C236
47uF/16V
+
C269
10uF/50V
C268
100n
1
+
C214
100uF/16V
C263
100n
1
+
C264
10uF/50V
L162
BEAD/32R1
LP1
1TP
L161
BEAD/32R1
C251
NC
1
REVA1
1TP
REVB1
1TP
CKH1
1TP
L164
BEAD/32R1
POL1
1TP
C265
NC
1
STH1
1TP
C213
100n
L160
BEAD/32R1
L114 BEAD/32R
L112 BEAD/32R
C272
NC
1
C270
NC
1
L110 BEAD/32R
C260
NC
1
L108 BEAD/32R
L123 BEAD/32R P113
CON50
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
GND
GND
STH
LP
HMS1_O
HMS2_E
POL
GND
GND
GND
GND
VDDA
VDDA
VDDA
VDDA
VDDA
VDDA
GND
GND
OR0
OR1
OR2
OR3
OR4
OR5
OR6
OR7
GND
OG0
OG1
OG2
OG3
OG4
OG5
OG6
OG7
GND
OB0
OB1
OB2
OB3
OB4
OB5
OB6
OB7
GND
GND
CLKH
GND
GND
L121 BEAD/32R
L118 BEAD/32R
L116 BEAD/32R
L130 BEAD/32R
L128 BEAD/32R
L126 BEAD/32R
L132 BEAD/32R
L140 BEAD/32R
L138 BEAD/32R
L136 BEAD/32R
L134 BEAD/32R
L150 BEAD/32R
L148 BEAD/32R
L146 BEAD/32R
L143 BEAD/32R
L158 BEAD/32R
L156 BEAD/32R
L154 BEAD/32R
L152 BEAD/32R
C206
33p
C197
33p C198 33p
L115 BEAD/32R
C200
33p
C208
33p
C207
33p
C205
33p
C204
33p
C201
33p C202 33p
C199
33p
C228
33p
STV1
1TP
C219
33p C220 33p
CKV1
1TP
C203
33p
R192
10R
1
C266
NC
1
C221
33p C230
33p
R194
10R
1
C227
33p
C222
33p C226 33p
C232
33p
C224
33p
C229
33p
C261
NC
1
C244
33p
C193
100n
1
C233
33p
C225
33p C234
33p
C252
33p
C246
33p
C253
33p
C243
33p
C212
33p
C254
33p
C245
33p C255
33p
C211
33p
C223
33p
C210
33p
C209
33p
L141 BEAD/32R
L129 BEAD/32R
L131 BEAD/32R
C231
33p
L139 BEAD/32R
L135 BEAD/32R
L127 BEAD/32R
L133 BEAD/32R
L113 BEAD/32R
L119 BEAD/32R
L111 BEAD/32R
L137 BEAD/32R
L124 BEAD/32R
L122 BEAD/32R
L117 BEAD/32R
L109 BEAD/32R
C259
33p
L153 BEAD/32R
L149 BEAD/32R
L151 BEAD/32R
C256
33p
L144 BEAD/32R
C250
33p
L159 BEAD/32R
L157 BEAD/32R
L155 BEAD/32R
L147 BEAD/32R
L142
BEAD/200R
1
C191
100n
C257
33p C258 33p
C248
33p
C235
100n
1
C247
33p C249 33p
VGH1
1TP

9.2V/200mA
+/-0.3V
3.3V/300mA
+/-0.3V
18V/40mA
+/- 1V
-6V/20mA
+/- 0.6V
3.45V/200mA
+/-0.5V Adj
9.2V
3.3V
(1) SMD capacitor - temperture is 85
℃
& voltage is 50V, if not indicated.
(3) AL-EL capacitor - temperture is 105
℃
, if not indicated.
(2) SMD resistor - power rating is 1/10W , if not indicated.
566LM 5/20/2002 -13-
6.6. Panel_POWER
5VIN
VEEG
VDDG
VDDA
VCOM
VCC5
12VIN
VCC5
DC_EN
+3V3
D113
EP05Q04 D114 EP05Q04
+
C330
1uF/50V
Q111
CEA3055L
1
2 3
R295
4K7
Q112
CEA3055L
1
2
3
+
C339
10uF/50V
+
C317
10uF/50V
D115
EP05Q04
+
C321
1uF/50V
+
C322
1uF/50V
+
C333
100uF/16V Q115
NA
1
2
3
+
C320
10uF/50V
+
C313
10uF/50V
+
C336
NA
+
C335
NA
+
C331
220uF/16V
+
C315
10uF/50V
+
C324
NA
+
C319
220uF/16V
Q119
MMBT3904
12
3
Q117
2SA2907
1
3 2
R285
100K
L177
33uH
C329
22p
C327
10nF
R264
12K
R288
10K
R269
3K3 1%
R267
20K5 1%
+
C323
100uF/16V
R258
0R
L176
BEAD/200R
R255
7.5K
R253
100K
Q108
2SA1020
1
23
R266
110R
R265
5K6
C328
22nF
R284
1K
R251
0R
L178
10R I119
AIC1341
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
PHS
UG
SD
VCC
SS
FB2
VI2
GATE2 GND
GATE3
FB3
COMP1
FB1
OCSET
PGND
LG R262 36K
R280
0R
I121
TL431A
R276
1K47,1%
R257
3K3,1%
Q109
CEA3055L
1
2
3
I118
AIC1526-1
1
2
3
4 5
6
7
8
CTLA
FLGA
FLGB
CTLB VOB
GND
VIN
VOA
R286
20K5,1%
R275
1K15/1%
Q106
MMBT2222A
1
23
Q107
MMBT3906
1
3
2
+
C332
10uF/50V
R290
3K3 1%
R263
0R
R271
100K
+
C312
220uF/16V
R259
1K
R281
1K VR
1 3
2
+
C338
10uF/50V
D112
EP05Q04
D111
EP05Q04
R279
NA
R256
10K
R252
4K32 1%
R278
NA
R261
10K
R260
1K
R254
1K
I120
TL431A
R249
10K
R250
10K
R270
100K
R291
100K
+
C325
10uF/50V
R292
82K
+
C318
10uF/50V
D116
EC10QS04
+
C334
NA
+
C316
10uF/50V
R293
4K7
+
C314
100uF/16V
C326
0.1uF/16V
D120
EC10QS04
Q110
MMBT3904 1
2
3
Q105
2SA2907
1
32
Q116
MMBT2222A
1
2 3 F102
0.25A/32V
F101
0.25A/32V
R283
0R

To Speaker
AUDIO IN PCBCOMPONENT
SIDE
2
5
4
1
3
6.7. AUDIO
566LM 5/20/2002 -14-
L-in
R-in
VOLUME
Q601
NC
1
2
3
R603
180K
R601 10K
+
C613
NC
R608
4K7
L609
Bead,3.5x0.8x9
R602
15/3W
R611
4K7
L608
2UH
R604
390
+
C602
1000uF/16V
R614
NC
C612
4700p
R612
NC
C607
NC
R609 10KL607
Bead,3.5x0.8x9
C608
4700p
P604
2.5mm pitch
1
2
3
C609
NC
+
C606
10uF/50V
L601
Bead,3.5x0.8x9
+
C610
10uF/50V
R605
15/3W
C601
1uF
P602
pitch=2mm
1
2
3
R607
100
R610
100
C611
1uF
L604
Bead,3.5x0.8x9
L603
Bead,3.5x0.8x9
R613
NC
L606
Bead,3.5x0.8x9
P6072mm pitch
1 2 3 4
C605
104
L605
Bead,3.5x0.8x9
P601
P_JACK
2
3
1
4
5
P603
2.0mm pitch
1
2
3
R606
3K
I601
TDA7057AQ
1
2
3
4
5
6
7
8
13
12
11
10
9
COTR1
NC
IN1
Vp
IN2
SG
COTR2
L+
R+
PG1
R-
L-
PG2

(2) AL-EL capacitor - temperture is 105
℃
, if not indicated.
(1) Resistor - power rating is 1/8W , if not indicated.
2
4
31
FG
566LM 5/20/2002 -15-
6.8. AC-DC POWER
D805
31DQ06FC
t
R840
10/3A
1 2
R805
47K/5W
12
C810
0.033uF/100V MEF
C820
100n/50V
D804
FCH20A10 20A100V
C822
2200PF/500V
1 2
C806
0.022UF/400V
12
D802
UF4007
1 2
D803
UF4005
F801
2.5A/250V
C819
1000P/50V
R815
120/1W
R809
15/0.5W
T801
L=1.2mH
9
3
5
6
1
2
7
8
11
10
12
R814
2K2/1%
+
C812
100uF/400V
12
R810
20K/1%
Q801
NC
L805
1
5
4
8
R841
470
C801
0.22uF/275V
C808
47uF/50V
12
C809
100n/50V
12
C823
4700pF/250Vac
1 2
C811
NC
1 2
R812
2K43/1%
C824
0.22uF/275V
L804
15UH
R806
3K48/1%
R807
Jumper
L802
Bead,T3.5x0.8x9
R816
10/0.5W
+
C817
1000uF/10V
12
+
C813
1500uF/10V
12
D806
15V
D807
6.8V
P802
S5B-XH-A 5P/P=2.5
1
2
3
4
5
P801
Connector
1
2
+
C814
1500uF/10V
12
+
C815
1500uF/10V
12
L801
JUMPER
L803
JUMPER
I802
TLP621
+
C816
1000uF/10V
12
I801
KA5M0365R
1 3 4 2
GND Vcc
FB D
- +
D801
KBJ4J 4A 600V
1
2
3
4
R801
1M 1/2W
12
C803
4700PF
12
C802
4700PF
12
R811
4K7/1%
R817
1K
C807
68P/1KV
R804
430K/3W
I803
TL431CLP
2 3
1
R813
100

566LM Service Manual
-16- 5/20/2002
7. WORKING THEOREM
A. DC-DC CONVERTER
This block provides adjustable output voltages of 9.2V, -6V, 18V and 3 to 4V for the panel.
It consists of a PWM IC I119 (AIC 1341CS) and power switch IC I118 (AIC 1526-1).
When DC_EN signal is high, then I118 is activated and sends one signal to activate I119. At this
time, I119 will send 200KHz 12V PWM to Q109 , which is connected with L177, Q109. D116
and C323, to boost 5V to 9.2V. And I119 offers the adjustable voltage of 3V to 4V. By sending
out pulses from pin 2 and pin 16 of I119 to double voltage circuit consisting of C313, D112,
D111and C316, leaner regulator with Q105 would output –6V. 18V output is created , according
to the rule of –6V creation.
For protection portion, I118 offers OCP protection and I119 offers OPP and OCP protections.
F101 and F102 will be open as soon as short-circuit protection occurs of 3V to 4V and 18V.
B. A/D converter
The ADC is to convert RGB analog signal to digital signal that scaling chip can acknowledge.
The AD9883A is a complete 8-bit 110 MSPS monolithic analog interface optimized for capturing
RGB graphic signal, a +3.3V power supply is necessary. Its 110 MSPS encode rate capability
and full-power analog Bandwidth 300MHz supports display resolutions of up to 1280x1024 at
60Hz.
A clamp signal is generated internally or may be provided through the CLAMP input pin. This
device is fully programmable via a two-wire serial port.
The HSYNC input receives a logic signal and provides the frequency reference for pixel clock
generation.
The clock generator COAST input may be used to stop synchronizing with HSYNC and continue
producing a clock at its present frequency and phase.
The CLAMP logic input may be used to define the time during which the input signal is clamped
to GND, establishing a black reference.
When the Power Down control input is bringing to low, AD9883A is put into a very low power
dissipation mode, all the output buffers are placed in a high-impedance state.
C. Scaling controller
The scaling IC is to converts the input signal ranging from VGA to XGA into XGA resolution that
panel can acknowledge. ZiproTC-T0946 is a highly integrated system on a chip that contains an
OSD logic and a timing control circuit for source/gate drivers of XGA panel. Including an
embedded hardware for display mode detection and an auto adjustment function provides
automatic frequency, phase, H/V position and white balance tuning at any screen condition.
The analog input RGB signals are first sampled by three channels of 8-bit A/D converters, and the
24-bit RGB data are then fed into the ZiproTC-T0946. The chip T0946 is capable of performing
automatic detection of the display resolution and timing of input signals generated from various
PC graphic cards. No special driver is required for the timing detection, nor any manual
adjustment. The T0946 then automatically scales the input image to fill the full screen of the LCD
monitor. The T0946 can interface with TFT LCD panels from various manufacturers by
generating either 24-bit or 48-bit RGB signal to the LCD panel based upon the timing parameters
saved in the EEPROM.
The T0946 implements four advanced display technologies:
1. Advanced mode detection and auto-calibration without any external CPU assist
2. Advanced programmable interpolation algorithm
3. Stand-alone mode support, and
4. Advanced true color support with both dithering and frame modulation.
The T0946 also provides “plug-and-play” features to the TFT LCD monitor solution. To be truly

566LM Service Manual
-17- 5/20/2002
plug-and-display, the T0946 performs automatic input mode detection and auto phase calibration,
so the LCD monitor can ensure that the A/D converters’ sample clock is precisely synchronized
with the input video data, and to preserve the highest image bandwidth for the highest image
quality. Furthermore, the T0946 can generate output video even when the input signal is beyond
the specifications or no input signal is fed.
The panel interface consists of 48-bit panel data bus, Start pulse(STH1) and Clock (CLKH),
Polarity(POL)/Latch pulse(LP) for source driver IC ,Start pulse(STV1) and Clock(CLKV) for gate
driver IC, and Data inversion control (HMSO/HMSE) for odd/even pixel bus and the power supply
(+3.3V,+3.45V<adjustable>,+9.2V,+18Vand-6V) for panel driver IC use.
The chip enters into power down status by setting POWERDN pins to High. The system returns to
normal after POWERDN to Low. In power down status, all circuits are set to off except the mode
detection circuit which is always working. The mode detection circuit detects the presences,
polarity, and frequencies of HS, VS, and DE.
The BRI signal (pin121 of T0946) is for inverter output current control and the VOLUME signal
(pin 119 of T0946) is to control the output amplitude of the audio .
D. Inverter
In order to drive the CCFLs embedded in the panel module, there is a ROYER inverter to convert
the input 12V up to hundreds of AC voltage output.
The inverter is formed by symmetric circuitry, in order to drive the separate lamp modules.
The input stage consists of a PWM controller, buck choke, and switching MOSFET to convert DC
input into AC output.
The output stage consists of a tuning capacitor, transformer, push-pull transistor pair to boost ac
output up to hundreds of voltage.
And one resister is serial to lamp for output current feedback.
A 5-pin connector is the only interface to control the inverter.
Pin 1 is 12V input, pin 2/4 is the returns, pin 3 is the control of output current, and pin 5 is the
enable/disable control.
E. Audio amplifier
The TDA7057AQ is a stereo BTL output amplifier with two DC volume control stages, designed
for TV and monitors, but also suitable for batter-fed portable recorders and radios.
In conventional DC volume control circuits the control or input stage is AC coupled to the output
stage via external capacitors to keep the offset voltage low.
In the TDA7057AQ the two DC volume control stages are integrated into the input stages so that
no coupling capacitors are required and yet a low offset voltage is maintained. Also the minimum
supply voltage remains low.
The BTL principle offers the following advantages:
!Lower peak value of the supply current
!The frequency of the ripple on the supply voltage is twice the signal frequency.
Consequently, a reduced power supply with smaller capacitors can be used which results in cost
reductions.
For portable applications there is a trend to decrease the supply voltage, resulting in a reduction of
output power at conventional output stages. Using the BTL principle increases the output power.
The maximum gain of the amplifier is fixed at 40.5dB.
The DC volume control stages have a logarithmic control characteristic. Therefore, the total gain
can be controlled from 40.5dBto –33 dB.
If the DC volume control voltage falls below 0.4V, the device will switch to the mute mode.
The amplifier is short-circuit proof to ground, Vp and across the load. Also a thermal protection
circuits is implemented. If the crystal temperature rises above +150℃the gain will be reduced,
thereby reducing the output power.
Special attention is given to switch-on and switch-off clicks, low HF radiation and a good overall
stability.

5/20/2002-18-
8. WIRING DIAGRAM
(566LM)
LCD PANEL
P980
P103
MAIN PCB
GND
TO:METAL FITTG
POWER PCB
(BRN) (BLU) P701
P801
2202120100 V:0.02
P982
P802
P104 P106 P101
INVERTER PCB
JP2
TO:GND
JP1
JP3
P802
P983
TO:GND
SPK(L)
I109
P109
I107
P102
I106 P961
I/O CABLE
SPK(R)
W601
AUDIO IN PCB
P981
P112 P113
2202508800 REV:0.02
P114
P985
2202119400VER:0.06 DATE:11.23.90
I601
P603
P607
P602
P602
2202119500
P601
AUDIO PCB
P604
(BRN)
AC SOCKET ASS'Y
N
(BLU) L
KEYPAD PCB
P984

9.1. MAIN PCB TOP VIEW
9. PCB LAYOUT
566LM 5/20/2002 -19-