AOC E941sa Service Manual

							Service Manual                                                                             AOCe941Series 
11 
4.4 TFT LCD Module Block Diagram 
 
4.5 LCD module input terminal pin assignment 
 
 
						

							Service Manual                                                                             AOCe941Series 
12 
4.6 LED Connector 
Pin No  Signal name 
1 LED1 
2 LED2 
3 LED3 
4 LED4 
5 VLED(Voltage in) 
6 VLED(Voltage in) 
7 LED5 
8 LED6 
9 LED7 
10 LED8 
 
4.7 Optical Specifications 
 
 
 
						

							Service Manual                                                                             AOCe941Series 
13 
5.Block Diagram 
5.1 LCD Block Diagram 
 
 
5.2 MainBoard Block Diagram 
(1)e941VA---715G3737 
 
 
 
Crystal 12MHz 
(X401) Panel Interface 
(CN408/409)
 
Scalar NT68668FG-QFG-128 
  (Include ADC, OSD, MCU) 
(U401) 
D-Sub 
Connector 
(CN101) 
EEPROM  
PM25LD020C 
(U402)
 
H sync
V sync
Key Board 
Control 
(CN401/402) Voltage converter 
5V
5V 3.3V 1.8V
DVI 
Connector 
(CN102) 
DC-AC inverter 
 
AC-DC(5V/12V) 
 
Power Board Main Board 
Key board 
PC- VGA
/DDC
 
LED-bar backlight  
Panel 
LV D S  
AC supply 
90V-264V 
Monitor Block Diagram 
PC- DVI 
/DDC
 
Input signal 
Audio 
Amplifiers 
Audio in 
Speaker 
3W×2 
USB 
HUB 
USB cable 
From PC 
USB  
Memory
 
						

							Service Manual                                                                             AOCe941Series 
14 
(2)e941SA---715G3225 
 
5.3 Power Board Block Diagram 
 
Fuse EMI Rectifier Smoothing 
Capacitor Transformer 
T901 
MOS 
Switching IC-PWM 
IC901 
12V 
Rectifie
r 
5V 
Rectifie
r 
12V 
12V 
 
 
5V 
Sense 
resisto
r
Vcc 
Rectifie
r 
regulating
sampling photocoupler 
Vcc 
Converter 
Vo u t30V
CN801 Switching MOS 
Q801-AO4828 
AC input 
100-240V 
CN803 
Current Sense 
LED converter Part 
Power adapter Part 
Amplifier 
CN902-12V 
Audio in   
On/off  DIM 
PWM Control 
IC801 
TA9690 
12V 
Power/ Converter Board Block Diagram 
SET 
1-8
Crystal 12MHz 
(X401) Panel Interface 
(CN403/405)
 
Scalar NT68168FG 
  (Include ADC, OSD, MCU) 
(U401) 
D-Sub 
Connector 
(CN101) 
EEPROM 
PM25LD020C 
(U402)
 
H sync 
V sync 
Key Board 
Control 
(CN401/402) Voltage converter 
5V
5V 3.3V 1.8V
 
						

							Service Manual                                                                             AOCe941Series 
15 
5.4 Software Flow Chart 
 
Star t 
Initial_MCU
Check if DataBuffer Is blank
Check if Sum is chan
ged ?
To Write default values
Read parameter_from Buffer
PowerHandler 
Init_GlobalVariables 
Initial_MCU Device 
while 
InputTiming 
ModeHandler 
MenuHandler 
DebugHandler 
if standby mode? 
Brightness 
Contrast 
Language 
InputType
 InputTimingStableCounter
OsdCounter 
PowerDownCounter 
LED turn-on 
Show power on logo 
if factory mode?
No signal message 
UnsupportModeFlag 
END 
OSD Menu 
Software Flow Chart 
InputTiming 
Phaes/Frequency 
Image setup 
Color 
Oi
Enter factory mode OSD 
Y
N 
Y
 
						

							Service Manual                                                                                                                 AOCe941Series 
16 6.
 Circuit Schematic 
6.1 Main Board 1---715G3737-M01   
Audio_EN
DDCSCL1
VC C 3. 3
05. PAN EL I N TER F AC E
05. PAN EL I N TER F AC E
VLC D
PA[ 0. . 9]PB[ 0. . 9]
02. I N PU T
02. D -SU B I N PU T
R0+R0-
SOG_D ET
G0+G0-B0+B0-
+5V
AH S0AVS0
DDCSCL1DDCSDA1
ED I D _W P
VGA_C ABLE_D ET
RX2+
+5V
RX1+RX0-D D CSD A2
Audio_D ET
G0+DDCSCL2B0+RXC+
DVI_CABLE_DET
PS_EN +5V
ED I D _WP
B0- SOG_D ET
ED I D _WP
VLC D
Panel_ON PB[ 0. . 9]
AVS0RX2-
VC C 1. 8
R0+RX0+
VLC D ED I D _WP
04. SC ALER
04. SC ALER
Adj_BAC KLI GH Ton_BAC KLI GH T
Audio_ENAudio_D ETPS_ENPanel_ONPB[ 0. . 9]PA[ 0. . 9]
R0+R0-SOG_D ETG0+G0-B0+B0-AH S0AVS0DDCSCL1DDCSDA1ED I D _WPVGA_C ABLE_D ETRXC+RXC-RX2-RX2+RX1+RX1-RX0-RX0+DDCSCL2DDCSDA2D VI _C ABLE_D ETDVI_HPD
VCC1.8VCC3.3
+5V
R0-
PA[ 0. . 9]
Adj_BAC KLI GH T
RXC-
VCC3.3
06. POW ER
06. POW ER
Adj_BAC KLI GH Ton_BAC KLI GH TAudio_ENAudio_D ETPS_ENPanel_ON
+5V
VCC3.3VCC1.8VLC D
AH S0DDCSDA1DVI_HPDVGA_C ABLE_D ET
RX1-
on_BAC KLI GH T
03.DVI INPUT
03.DVI INPUT
RX0+RX0-RX1-RX1+RX2+RX2-RXC-RXC+
DDCSCL2DDCSDA2
D VI _C ABLE_D ET
ED I D _W P+5V
DVI_HPD
G0-
VCC1.8
+5V
+5V
 
 
 
 
 Input part---VGA/DDC 
 
						

							Service Manual                                                                                                                 AOCe941Series 
17 
C113
100N F 25V
VGA_5V
G0+
VGA_5V
BI N 0
D 101
BAV70
3
1
2
DDCSDA1
HSIN0
R1262K2 1/ 16W  5%
CN101
DB15162738495
1112131415
10
1716
R119
100R  1/ 16W  5%
R10775R 1/16W 1%
DDCSCL_A
R 109
0R 05 1/ 16W
RIN0
R 103
0R 05 1/ 16W
GI N 0-
B0- 5
C 104
47N16V
BI N 0-
R114 4K7 1/16W 5%
R122 0R05 1/10W
VSI N 0
VGA_C ABLE_DET 5
DDCSCL1
R110
0R05 1/16W
EDI D _WP
DDC SDA1
ESD_VGA
R118
0R05 1/16W
G0- 5
C 102
47N16V
C 114
100N F  25V
C1065PF  50V
B0+
GI N 0
RIN0
U 102
AOZ 8902C I L123
456
CH1
VN
CH2 CH3VP CH4
HSIN0
R0+ 5
+5V 4, 5, 7
DDCSDA_A
C105 47N16V
C 107
47N16V
C101
220N 16V
DDCSCL1
R0- 5
+5VR116 22K 1/16W 5%
DET_VGA
R 142
470R  1/ 16W  5%
R124 100R  1/16W 5%
R0+
DDCSDA_A
EDI D_W P 4, 5
SOG_DET 5
R113
100R  1/ 16W  5%
U 103
AOZ 8902C I L123
456
CH1
VN
CH2 CH3VP CH4
R115 4K7 1/16W 5%
R 102 100R  1/ 16W  5%
C111N C / 22pF  50V
G0+ 5
ESD _VGA
AH S0 5
RIN0-
R11275R 1/16W 1%
VSI N0
C1035PF 50V
R0- BI N0
R121
100R  1/ 16W  5%
DDCSDA1 5
DDCSCL_AVGA_CABLE_D ET
GI N 0-
HSIN0
R12075R  1/ 16W  1%
DUAL D OTSB
37 Monday ,  J anuary  25,  2010715G3737-M0D
<
称爹> D-SUB I/OG3737-M0D -000-0H 4K-10-100125O E M MO D E L S i ze
Rev
DateSheet
of
TPV MODEL
PCB NAME
称爹
T P V   ( Top    Victory     Electronics    Co . ,   Ltd. )Key Component絬 隔 瓜 絪 腹
R1252K2 1/ 16W  5%
C 120
1N50V
DDCSCL1 5
C18222pF  50V
R105
100R  1/ 16W  5%
C 108
47N16V
R123 100R  1/16W 5%
R111
100R  1/ 16W  5%
RIN0
B0-
RIN0-
R104
0R05 1/16W
DET_VGA
C 110
47N16V
ESD_VGA
VSI N 0
C1095PF  50V
R101
100R  1/ 16W  5%
VGA_5V
GI N 0
R106
100R  1/ 16W  5%
B0+ 5
BI N0-
C112N C / 22pF  50V
C 18122pF  50V
BI N 0
R117
0R 05 1/ 16W
U 101
AT24C02BN-SH-T
1234
5678
A0
A1
A2
VSS SD A SC L
WP VC C
ZD101
RLZ5.6B
G0-
GIN0
R108
100R  1/ 16W  5%
AVS0 5
 
 
 
						

							Service Manual                                                                                                                 AOCe941Series 
18 DVI-input/DDC 
ESD_DVI
R 140 10R  1/ 16W  5%
RXC- 5
DVI5V
DDCSDA2 5
C119
100N F  25V
U106
AOZ8902C IL123
456
CH1
VN
CH2 CH3VP CH4
DAT0-
DVI5V
RX2- 5
C115
100NF 25VR 139 10R  1/ 16W  5%
ESD _D VI
ZD102
RLZ5.6B
C116
220N16VESD _D VI
D VI _CABLE_DET 5ESD _D VI
SD A_D VI
R 133 22K 1/16W  5%
R 129 100R  1/ 16W  5%
DVI5V
DAT1-
RX0+ 5
SC L_D VI
CN102
JACK
123456789101112131415161718192021222324
2625
2728
DAT2- DAT2+ 2/4shield
DAT4- DAT4+ DDC SCL
DDC SDAVSY N C
DAT1- DAT1+ 1/3shield
DAT3- DAT3++5V SY NC  GN D
HPD
DAT0- DAT0+ 0/5shield
DAT5- DAT5+ clk shield
clk+
clk-GN D
GN D GN D GN D
Q101
NC
DCLK-
C117
100N F  25V
DAT2-
R 134 10R  1/ 16W  5%
ESD _D VI
R 130 10K 1/16W 5%
D102
BAV70
3
1
2
ESD _D VI
R 128 100R  1/ 16W  5%
+5V
EDI D_W P 3, 5
R 137 10R  1/ 16W  5%
HPD
R 132 4K7 1/16W  5%
RXC+ 5
DCLK+
DDC_WP
RX2+ 5
R 141 10R  1/ 16W  5%
R127
100R 1/ 16W  5%
DAT1+
C118
100N F  25V
DVI_HPD 5RX0- 5
U107
AOZ8902CI L123
456
CH1
VN
CH2 CH3VP CH4
DDCSCL2 5
R 135 10R  1/ 16W  5%
DUAL D OTSB
47 Monday ,  J anuary  25,  2010715G3737-M0D
<
称爹> DVIG3737-M0D -000-0H 4K-10-100125OEM MO D EL Si ze
Rev
DateSheet
of
TPV MOD EL
PC B N AME
称爹
T P V   ( Top    Victory     Electronics    Co . ,   Ltd. )Key Component絬 隔 瓜 絪 腹
R 136 10R  1/ 16W  5%
R 131 4K7 1/16W  5%
RX1- 5
DAT0+
U105
AT24C02BN-SH-T
1234
5678
A0
A1
A2
VSS SDA SCL
WP
VCC
RX1+ 5
R 138 10R  1/ 16W  5%
DAT2+
U104
AOZ8902CI L123
456
CH1
VN
CH2 CH3VP CH4
+5V 3, 5, 7
DET_DVI
 
 
 
 
     
 
						

							Service Manual                                                                                                                 AOCe941Series 
19 Power part---5V/3.3V/1.8V 
C715
220N16V
Q707
N C / PMBS3904
+5V
FB701
0 OHM +-5% 1/ 8W
VCC3.3
U703 AP2114H -1. 8TR G1
3
2
14
VI VO
GND
4
R724
NC
TO252
VLCD 6
Q705
AO3401A
R704
10K 1/16W 5%R723
NC /4K7 1/ 16W 5%
R799
10K 1/16W 5%Q702
NC
R701
22K 1/16W 5%
R715
100K 1/ 16W  5%
C706
100N F  25V
C717
NC/ 0.1uF  25V
Q706
2N3904S-RTK/ PS
R711 NC
+C702
100uF 16V
DIM
+5V
R722
N C / 10K 1/ 16W  5%
Panel_ON 5
Audio_EN 5
R714
10K 1/ 16W 5%
+C705
100uF 16V
C713
100NF  25V
R707
4.7 OHM +-5% 2WS
C708
NC
Q704
NC/ AO4449 -7A/ -30V1234
8765
S S
S
G
D D
D
D
R709
NC
R719
22K 1/16W  5%
CN701
CONN
123456789
VCC1.8 5
C701
100N F  25V
VC C 1. 8
Audio_D ET2
Q703
NC/PMBS3904
C703
100NF  25V
U704
3
2
1
VI N VOU T
GND
+
C716
10uF 50V
R712 NC
DUAL D OTSB
77 Monday ,  January  25,  2010715G3737-M0D
<
称爹> POW ERG3737-M0D -000-0H 4K-10-100125 
O E M MO D E L S i ze
Rev
DateSheet
of
TP V  MO D E L
PC B N AME
称爹
T P V   ( Top    Victory     Electronics    Co . ,   Ltd. )Key Component絬 隔 瓜 絪 腹
C707
100N F  25V
+5V 3, 4, 5
C712
100N F  25V
R706
NC
R718
NC
+
C711
N C / 100uF / 16V
ON / OF F
VC C 3. 3 Audio_EN 1
Audio_D ET1
Audio_D ET 5
R798
NC
TO-252
VC C 3. 3
R702
4K7 1/16W 5%
C709
NC/ 0.1uF  25V
PS_EN 5
R708
NC
+5V
R713
NC
VCC3.3 5
R717
NC
R 703 100R  1/ 16W  5%
Adj_BAC KLI GH T 5
+5V
+5V
R720
NC
R716
NC/ 10K 1/16W  5%
C714
NC/ 0. 1uF  25V
+C710
100uF 16V
R710
NCVC C 3. 3Q701
2N 3904S-R TK/ PS
R721
4K7 1/16W  5%
+5V
VC C 3. 3
U701AP2114H -3. 3TRG1
3
2
14
VI VO
GN D
4U702
N C / G1084-33T43U f
2
3
1VOUT VI NGN D
+5V 3,4,5
C704
100NF  25VVLC D
on_BAC KLI GH T 5
C718
220N16V
R725
NC
 
 
 
						

							Service Manual                                                                                                                 AOCe941Series 
20 Scarlar---Flash/key 
PA2R420 NC /120R  1/ 16W 1%
LVB0M
PB4
R429
10K 1/16W  5%
U SB_EN
CN 401
NC/CONN
2468
1357
R444
10K 1/16W  5%
DVI_HPD 4
G0-
R 423 220K 1/16W  5%
R 412 N CC 431
N C/ 0.1uF  25V
PA7
AH S0
R 417
470R  1/16W  5%
B0+ 3
LVA3P
LED _1
R 409 0R 05 1/16W
LED _1 PB9
C424
1uF  10V
VC C3. 3R414 N C
C 403
100N F  25V
LVB3P PA5
RX1- 4
LVA3M
RXC+
SOG_D ET 3
DUAL D OTSC
57 Tues day , May  25, 2010715G3737-M0D
<
称爹> SCALERG3737-M0D -000-0H4K-10-100125OE M MOD E L S i ze
Rev
DateSheet
of
TP V MO D EL
PC B N AME
称爹
T P V   ( Top    Victory     Electronics    Co . ,   Ltd. )Key Component絬 隔 瓜 絪 腹
PA1
CN 405
NC/CONN1234567
F B402
300OH M
AVS0 3
PB4
LED _A
R406 0R05 1/16W
VCC 3.3
EE_WP
U403
N C/ M24C 161234
5678
A0
A1
A2
GND SDA SCL
WP
VCC
F B407
N C/ 300OH M
PB8
+5VVC C3. 3 PA4 PB[0..9]
R 430
N C/ 22K 1/16W 5%
D401
NC
R 401
3K9 +/ -5% 1/16W
C 413
4.7U F  10V
KEY 1 PB9
Panel_ON
R 419
390K +/ -5% 1/16W
Q401
2N 3906S-RTK/ PS
Panel_ON 7
VSO
DDCSCL2
CN 404
NC1234567
LVA0M
G0- 3RX0+ 4
VC C3. 3
+5V
RX1-
PB3
MS C LBUZZERPB1
R 422 100K 1/16W  5%
LVAC KP
R426 NC /100R  1/16W  5%RX2+ 4DDCSDA2 4
KEY 2
LVB1P PA3
R410 0R 05 1/ 16W
ADC _VAA33
MS C L
SPI _CE
LVA3M
PS_EN
LVA2P
PA6PB7LVB0P
R408
470R 1/ 16W 1%
R 443 NC /22K 1/ 16W 5%
C409
100NF  25V
C417
100NF  25V
DVDDPB0
DDCSDA1
DDCSCL1
EDI D_WP
R 440 N C/ 0R05 1/16W
C 402
100N F  25VRX0-
LVBC KPLVA1P
F B406
N C /120 OHM12
PA8LVB1M
AVC C
SPI _SO
VCC 1.8
B0- 3
VC C3. 3 KEY 2LVB2P
CABLE_DET
D403
NC
F B404
300OHM
LED_2
VGA_C ABLE_D ET
LVA0P
B0-
C427
100NF  25V
RX2- 4AD C _VAA
LVB0P PB2
LVA1M
VCC 3.3 7
LVAC KP
U SB_DET
R424 1K 1/16W 5%
CVDD
R 404
3K9 +/ -5% 1/16W
DVDD
VCC 3.3
D 404
N C/ RLZ 5.6B
R 411
4K7 1/ 16W 5%
PA0
D VI_CABLE_D ETC 429
220N 16V
C410
100NF  25V
C418
100NF  25V
C 420
NC
WP
TP 1
DVDDon_BAC KLI GH T
C 425 100N F 25V
LVB1P
RXC+ 4
PA3
CN 402
CONN123456on_BAC KLIGHT 7
AD C_VAA33
PA9PB2
USB_EN
R 433
N C/ 10K 1/16W 5%
CN 406
NC/CONN
123
D VI _CABLE_DET 4VC C3. 3
KEY 1
R 439 100R  1/16W  5%
R0+ 3RX0- 4DDCSCL2 4
C426 47P 50V
R413
4K7 1/16W 5%
+5V
RX2+
PB6LVAC KM
R 432
1M 1/ 16W
CN 403
NC/CONN123456
VGA_C ABLE_D ET 3
LVA0MLVB3M
R418
1K5 1/16W 5%
HSO PA5
LVA2P
R0+
LED _G
G0+
TP 5
RX1+
SPI _SO
R451 NC
R437
NC /22K 1/16W 5%
F B403
300OH M
LVB2M
U 401NT68668FG1
2
3
45
6
78
9
1011
12
1314
15
16
17
18
19202122232425
26
2728
29303132333435
3637383940
4142
43
44
45
4647484950
51
52
53
545556575859606162
63
64
102
101
100999897969594939291
90
89
88878685848382818079
78
77767574737271706968676665
128127126125
124123122121120
119
118117
116
115
114113
112111
110
109
108107106105104
103
RSTB
DVDD_ZP DGND
RX2+
RX2-
AVC C
RX1+
RX1-
AGN D
RX0+
RX0-
AGN D
RXC+
RXC-
AVC C
REXT
ADC _BIAS PGN D
BI N1+
BI N1-
SOG1I
GIN 1+
GIN 1-
RIN1+
RIN1-
AD C_VAA18
ADC _GND A
AD C_VAA33
PD 6 PB3/ADC3/INTE1
P31/ TXD
P30/ RXD PB2/ADC2/INTE0 PB7/DDC_SDA1*
PB6/D DC _SCL1*
PA3/PWM5 PA4/PWM6*
PA5/PWM7*
PA6/PWM8*
PA7/PWM9* HSYNCI1
VSY NC I1
PLL_GN D
GNDPLL_D VD D
PB5/DDC_SDA0*
PB4/D DC _SCL0*
PD 5
P35
P34
DVDD CVDD
NC
V0 V1
V2
V3
V4
V5
V6 V7 VC KI
NC DGND/CGND
PC 6
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
DVDD NC
T0 M
T0 P
T1 M
T1 P
T2 M
T2 P
TCLK1M
TCLK1P
T3 M
T3 P
DGND/CGND
T4 M
T4 P
T5 M
T5 P
T6 M
T6 P
TCLK2M
TCLK2P
T7 M
T7 P
PA1/PWM3
PA2/PWM4
PA0/PWM2 OSCO OSCI PB0/AD C0 PB1/AD C1
PC 5
PC 4/PWM1
PC 3/PWM0
PC 1*
PC 0*
CVDD_ZP
PWMB* PWMA*
DVDD CVDD
INT_HSOINT_VSO
NC
NC
PC 2
GND
PD 4 SPI_C LK
SPI_SI
SPI_SO
SPI_C E
PC 7
C 407
100N F  25V
Q402
2N3906S-R TK/PS
R428 NC /100R  1/16W  5%
LVA3P
SPI _SILED_G
C412
100NF  25V
C408
100NF  25V
HSO
R0- 3
NT68668FG-QFP-128
LVAC KM
R 421 NC /100R  1/ 16W 5%
TP 4
BU Z ZER
C437
NC/1UF 10V
WP
Audio_EN
C432
NC /0. 1uF  25V
RXC- 4
ADC _VAA
R434 NC /100R  1/16W  5%R427 22K 1/16W 5%
R 442 NC /4K7 1/ 16W 5%
PB5
DVI_HPD
CABLE_DET
R 402 N C /2K2 1/16W  5%
PS_EN 7
F B408
300OHM
R452 NC
C401
100NF  25V
+5V
PB5 PB3
C419
100NF  25V
R 405
3K9 +/ -5% 1/16W
PB8
B0+
LED _2
RX0+
LVA0P
C414
1uF  10V
ADC _BIAS
LVB1M
PB[0. .9] 6
LVBC KM
TP 3
LVA1P
RXC-
TOU C H _ P OW E R
POWER
RX2-
EE_WP
Adj_BACKLI GH T 7
5V_DETPB7
USB_DET
C404
4.7U F 10V
C 406
1uF  10V
PB6
Adj_BAC KLIGHT
C428 47P 50V
R 441 NC /4K7 1/ 16W 5%
DDCSCL1 3
VC C1. 8 7
LVA1M LVB3M
C422
100NF  25V
C 416
4.7U F  10VC 421
4.7U F  10V
LVB0M
R 416
220K 1/ 16W 5%
R425 22K 1/16W 5%
RX1+ 4
MS D ALVB2P
R 415
100K 1/ 16W 5%
ED ID _WP
SPI _C E
R 436
N C/ 22K 1/16W 5%
C411
100NF  25V
C415
1uF  10V
VC C3. 3
AVC C
VC C3. 3SPI _C K
Audio_DETLED _A
LVB2M PA9
C 423
4.7U F  10VAVC C
LVB3P
R 403 N C /2K2 1/16W  5%
SPI _C KPA[0..9]
PA2
LVA2MLVA2M
SPI _SIPA0
R 446 N C/ 0R05 1/16W
R407 0R05 1/16W
PA[0. .9] 6
G0+ 3
DVDD
MS D A
X401
12MH z12
Audio_D ET 7
NT68668FG-QFP-128
PA8
C 405
100N F  25V
DDCSDA1 3
+5VLVBC KPAD C_BI AS
SOG_D ET
F B401
300OH M
LVBC KM
PA4 PA1
C430
NC /220nF  16V
AH S0 3
Audio_EN 7
POWER
CVDD
F B405
300OHM
PA6
DDCSDA2
R435 NC /10K 1/ 16W 5%
R438
NC /10K 1/16W 5%
CN 407
NC/CONN12
VSO PB0
PA7
D402
NC
VC C3. 3
AVS0
R0-
R431
100R 1/ 16W 5%
+5V 3, 4, 7
PB1
U 402
PM25LV020-100SC E1234
8765 CE#
SO
WP#
GN DVD D
HOLD#
SC K
SI