DOWNLOAD LG 42LW6500-JA (CHASSIS:LE13E) Service Manual ↓ Size: 18.16 MB | Pages: 87 in PDF or view online for FREE

Model
42LW6500-JA (CHASSIS:LE13E)
Pages
87
Size
18.16 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lw6500-ja-chassis-le13e.pdf
Date

LG 42LW6500-JA (CHASSIS:LE13E) Service Manual ▷ View online

THERMAL
THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.
C5412
22uF
10V
C5415
22uF
10V
+3.3V_FRC
R5406
3.3K
1%
L5404
3.6uH
NR8040T3R6N
R5411
4.3K
1%
R5404
20K
OPT
C5407
1uF
10V
C5409
2200pF
+12V
+1.26V_FRC
POWER_ON/OFF2_2
L5401
CIC21J501NE
R5410
27K
1%
C5414
22uF
10V
R5407
3.9K
1%
C5403
10uF
25V
C5404
10uF
25V
+12V
C5411
100pF
50V
OPT
R5409
10K
OPT
L5403
3.6uH
NR8040T3R6N
C5410
100pF
50V
OPT
C5402
10uF
25V
R5408
12K
1%
R5405
10K
C5401
10uF
25V
R5401
20K
POWER_ON/OFF2_2
C5406
0.1uF
R5403
10K
+3.3V_FRC
C5405
0.1uF
C5413
22uF
10V
R5412
10K
1%
L5402
CIC21J501NE
0.1uF
C5417
16V
C5421
10uF
16V
R5416
1K
1%
1uF
C5418
10V
+3.3V_FRC
+1.5V_FRC_DDR
R5414
4.3K
1%
C5420
10uF
16V
R5415
3.9K
1%
C5416
10uF
16V
C5419
560pF
50V
R5413
10K
C5408
3300pF
IC5402
AOZ1072AI-3 
EAN60922902
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
R5402
20K
IC5403
AP7173-SPG-13 HF(DIODES)
EAN41406705
3
VCC
2
PG
4
EN
1
IN
5
GND
6
SS
7
FB
8
OUT
9
[EP]
IC5401
AOZ1072AI-3 
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
URSA5 Power Block
54
MStar URSA5
55
2010. 08.18
Vout=0.8*(1+R1/R2)
+3.3V_FRC
TYPICAL 300mA
Vout=(1+R1/R2)*0.8
TYPICAL 980mA
R1
R2
2A
R1
R2
CORE +1.26V_FRC
Placed on SMD-TOP
2A
Vout=0.6*(1+R1/R2)
R1
+1.5V of DDR&URSA5 uses same power line
TYPICAL 350mA
R2
+1.5V_FRC
THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.
LVDS
PWM_DIM
RXC4-
RXD3+
RXA3-
R7711
3.3K
JEIDA
RXDCK-
RXD0+
RXB1-
R7705
33
OPT
RXACK+
RXB2-
RXD1-
R7703
33
OPT
RXA0-
RXD4-
RXC4+
RXBCK-
RXB0+
+3.3V_NORMAL
RXA3+
RXA4-
RXB3+
RXA2-
R7706
0
OPT
R7702
0
R7708
0
OPT
RXCCK+
RXB1+
RXC2+
RXA0+
RXD3-
SDA3_3.3V
RXCCK-
SCAN_BLK1/OPC_OUT
RXB4+
RXA1-
R7712
10K
VESA
RXBCK+
RXC1-
R7710
10K
8BIT
R7707
0
OPT
RXC1+
RXC0-
RXA1+
RXA2+
FRC_RESET
RXB2+
RXACK-
RXD0-
RXD2+
RXC3-
RXB3-
SCL3_3.3V
R7704
33
OPT
SCAN_BLK2
C7701
1000pF
50V
R7709
0
OPT
RXD1+
RXB4-
PANEL_VCC
PANEL_CTL
RXB0-
RXD4+
RXDCK+
RXD2-
RXA4+
RXC3+
RXC2-
RXC0+
L7700
500
FHD_120Hz
C7702
0.1uF
50V
C7700
10uF
25V
OPT
JP8809
P7700
FI-RE51S-HFK-A
FHD_120Hz
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
51
52
P7701
FI-RE41S-HFK-A
FHD_120Hz
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
2D/3D_CTL
R7713
33
R7701
0
LGD_42_47
R7700
0
LGD_42_47
VESA
BIT_SEL
[41Pin LVDS Connector]
 (For FHD 120Hz)
10BIT
LVDS_SEL
HIGH
GND(NC)
OPEN
[51Pin LVDS Connector]
 (For FHD 120Hz)
JEIDA
URSA5 120Hz LVDS
8BIT
GND
35   120
BCM_JAPAN
LVDS
10/11/25
THERMAL
THERMAL
THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.
POWER
COMMON
80    120
10/11/25
+5V_USB
+3.5V_ST
R8018
100
POWER_24_INV_CTL
L8004
3.6uH
NR8040T3R6N
Q8001
2SC3052
E
B
C
PANEL_CTL
81:A2
C8017
0.1uF
OPT
+5V_USB
+3.3V_NORMAL
0
R8027
POWER_20_PWM_DIM
POWER_ON/OFF1
R8037
4.7K
OPT
Q8003
2SC3052
E
B
C
C8020
22uF
10V
+12V
P8000
FW20020-24S
NORMAL_26~55
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
R8003
22K
R8019
100
POWER_18_INV_CTL
C8016
100pF
50V
OPT
C8004
0.1uF
16V
C8015
1uF
25V
OPT
Q8000
2SC3052
E
B
C
INV_CTL
+3.5V_ST
C8018
0.1uF
50V
R8009
0
POWER_23_SCAN_BLK2
PWM_DIM
R8004
4.7K
R8000
10K
0
R8020
POWER_22_PWM_DIM
R8008
22K
+3.3V_NORMAL
Q8002
RT1P141C-T112
1
2
3
R8074
100
0
R8021
POWER_24_PWM_DIM
C8007
0.1uF
C8021
1uF
OPT
R8068
100K
R8012
10K
R8023
6.8K
OPT
C8025
0.1uF
16V
SCAN_BLK1/OPC_OUT
L8001
0
R8033
NON_OPC/NON_IOP
L8003
MLB-201209-0120P-N2
C8012
1uF
25V
OPT
R8039
10K
OPT
+12V
R8075
10K
OPT
C8024
68uF
35V
+3.5V_ST
0
R8034
POWER_SCAN1/FHD_OPC
R8038
10K
OPT
R8001
47K
RL_ON
L8005
MLB-201209-0120P-N2
+24V
R8013
10K
POWER_DET
C8019
100pF
50V
OPT
PANEL_VCC
+3.5V_ST
0
R8024
POWER_20_ERROR_OUT
+12V
R8006
22
C8014
1uF
50V
SCAN_BLK2
R8015
0
POWER_16_GND
R8017
6.2K
1%
IC8000
MP8706EN-C247-LF-Z
EAN31346002
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
C8011
0.1uF
16V
OPT
+24V
V_SYNC
R8002
10K
OPT
R8011
1.8K
L8002
MLB-201209-0120P-N2
POWER_ON/OFF2_1
C8023
0.1uF
16V
R8032
10K
R8010
10K
+3.5V_ST
C8006
0.1uF
16V
0
R8025
POWER_24_ERROR_OUT
+12V
R8016
33K
1%
Q8005
2SC3052
E
B
C
C8008
0.01uF
25V
POWER_ON/OFF2_1
R8036
0
OPT
R8028
0
OPT
R8005
0
OPT
L_VS
MO_MOSI
MO_SCLK
L8000
CIC21J501NE
R8026
1K
R8045
0 NON_ESD
C8029
22uF
16V
L8006
MLB-201209-0120P-N2
L8011
BLM18PG121SN1D
R8047
3.9K
OPT
C8045
0.1uF
16V
A1.2V
D1.2V
R8040
100K
C8027
0.1uF
+3.5V_ST
R8043
470K
1%
C8036
0.1uF
C8032
0.1uF
L8009
2uH
R8048
910K
1%
C8026
0.1uF
10
R8041
R8042
0
C8035
22uF
D1.8V
L8012
3.6uH
NR8040T3R6N
R8052
10K
0.1uF
C8050
R8051
6.8K
C8042
0.01uF
25V
+3.5V_ST
C8038
0.01uF
25V
C8031
22uF
10V
C8044
100pF
50V
OPT
R8057
10K
1%
C8048
22uF
10V
R8056
10K
1/10W
1%
C8034
0.01uF
25V
L8008
CIC21J501NE
R8007
0
POWER_23_GND
R8014
0
POWER_24_GND
R8076
0
POWER_23_42/47_LOCAL_DIM
M2_MOSI
R_VS
R8078
0
POWER_16_42/47_LOCAL_DIM
M2_SCLK
R8077
0
POWER_20_42/47_LOCAL_DIM
L_VS
R_VS
M2_SCLK
MO_SCLK
M2_MOSI
MO_MOSI
C8001
100uF
25V
C8003
0.1uF
50V
C8005
0.1uF
50V
C8009
0.1uF
50V
C8010
10uF
25V
OPT
C8022
0.1uF
50V
C8002
10uF
25V
R8081
100
R8079
100K
+3.5V_ST
R8080
14K
1%
OPT
IC8002
MP2108DQ
EAN60991601
3
LX
2
VIN
4
PGND
1
BST
5
SGND
6
SS
7
FB
8
COMP
9
VREF
10
RUN
IC8001
MP2208DL-LF-Z
EAN60911601
3
PGND_1
2
SS
4
SW_1
1
AGND
6
NC
5
IN_1
7
BS
8
VCC
9
POK
10
IN_2
11
SW_2
12
PGND_2
13
EN/SYNC
14
FB
15
EP
P8001
SMAW200-H24S2
SLIM_32~55
19
12V
14
GND
9
3.5V
4
24V
18
INV ON
13
GND
8
GND
3
24V
17
12V
12
3.5V
7
GND
2
24V
16
GND/V-sync
11
3.5V
6
GND
1
PWR ON
20
A.DIM
15
GND
10
3.5V
5
GND
21
12V
22
P.DIM1
23
GND/P.DIM2
24
Err OUT
25
Q8004
AO3407A
G
D
S
C8065
0.1uF
16V
R8082
0
POWER_16_V_SYNC
C8033
1uF
10V
C8039
3300pF
50V
DEV
R8044
10K
C8041
22uF
10V
C8043
22uF
10V
C8037
22uF
10V
R8065
0
POWER_22_SCAN_BLK2
SCAN_BLK2
0
R8022
POWER_20_SCAN_BLK1
R8046
30K
1%
L8007
CIC21J501NE
R8055
10K
1%
R8053
47K
1%
R8050
10K
+5V_NORMAL
C8049
0.1uF
16V
POWER_ON/OFF2_2
C8028
10uF
25V
R8054
5.6K
1%
L8010
3.6uH
NR8040T3R6N
C8047
22uF
10V
C8030
10uF
25V
+12V
R8049
12K
C8046
100pF
50V
OPT
C8066
22uF
10V
C8067
0.1uF
C8040
2200pF
C8052
22uF
25V
R8071
10K
1%
+3.3V_NORMAL
+12V
R8066
3.9K
OPT
C8059
22uF
10V
L8016
CIC21J501NE
R8058
20K
R8070
4.7K
1%
C8069
50V
OPT
IC8005
AOZ1024DI
EAN60660601
1
PGND
2
VIN
3
AGND
4
FB
5
COMP
6
EN
7
LX
C8057
22uF
10V
POWER_ON/OFF2_2
C8051
0.1uF
50V
R8069
27K
1%
L8013
CIC21J501NE
C8064
0.1uF
16V
C8063
0.1uF
16V
C8054
3300pF
50V
L8015
3.6uH
R8060
10K
D3.3V
C8070
0.1uF
OPT
0.1uF
C8062
R8087
10K
BCD
L8017
500
R8059
10K
SEMTECH
R8073-*1
4.7K
1%
BCD
A2.5V
0.1uF
C8056
OPT
R8072-*1
15K
1%
BCD
IC8004
AP2132MP-2.5TRG1
EAN61387601
BCD
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
C8061
10uF
16V
+5V_NORMAL
R8073
18K
1%
SEMTECH
R8072
39K
1%
SEMTECH
0.1uF
C8055
R8086
10K
BCD
C8053
10uF
16V
+3.3V_NORMAL
C8058
10uF
16V
L8014
500
IC8004-*1
SC4215ISTRT
0IPMGS1010A
SEMTECH
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
L8018
BCD
500
R8045-*1
100K
ESD
D8000
5.6V
ESD
R8030
2K
1/8W
PANEL_DISCHARGE_REG
R8031
2K
1/8W
PANEL_DISCHARGE_REG
C8013
10uF
25V
R8063
2.7K
1%
PD_+12V
R8064
1.21K
1/10W
1%
NON_PD_+3.5V
R8067
0
5%
PD_+3.5V
IC8007
APX803D29
EAN61829901
DIODES
1
GND
3
VCC
2
RESET
IC8008
APX803D29
DIODES
EAN61829901
1
GND
3
VCC
2
RESET
R8062-*1
1.3K
1%
POWER 20V
R8061-*1
5.6K
1%
POWER 20V
R8061-*2
4.7K
1%
POWER 18.5V
R8062-*2
1.21K
1%
POWER 18.5V
R8061
8.2K 1%
POWER 24V
R8062
1.5K
1%
POWER 24V
C8060
0.1uF
16V
V_SYNC
IC8007-*1
NCP803SN293
NCP
EAN60670101
1
GND
3
VCC
2
RESET
IC8008-*1
NCP803SN293
EAN60670101
NCP
1
GND
3
VCC
2
RESET
IC8003
AOZ1072AI-3 
EAN60922902
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C8000
100uF
16V
<OS MODULE PIN MAP>
PIN No
INV_ON
Vout=(1+R1/R2)*0.8
R2
3A
ST_3.5V-->3.5V
INV_ON
INV_ON
INV_ON
+5V_USB
Err_out
20V-->3.5V
Power_DET
15V-->3.6V
PANEL_POWER
22
NC
PWM_DIM
24V-->3.48V
FROM LIPS & POWER B/D
AUO
18
V4:VBR-A
V5:NC
SHARP
Err_out
CMO(09)
PWM_DIM
PWM_DIM
PWM_DIM
GND
20
A-DIM
R1
MAX 1500mA
A-DIM
Err_out
24
Max 1100 mA
12V-->3.58V
LGD
MAX 3.1A
Vout=0.8*(1+R1/R2)
R1
R2
BCM core 1.2V volt
Placed on SMD-TOP
Vout=0.9*(1+R1/R2)
Replaced Part
R1
C IN
3A
Placed on SMD-TOP
R2
BCM DDR 1.8V
For RESET at 8kV ESD
#16/#20/#23
LD - GND OR USE
LE(N.L.D.) - OPEN
LE(L.D.) - USE
CHECK PWR/MODULE PIN MAP
LED:GND
2A
R1
+5V_NORMAL
Vout=0.8*(1+R1/R2)
MAX 350mA
R2
MAX 2.3A
+3.3V_NORMAL
R1
R2
BCD VOUT : 2.514V
SEMTEK:Vout=0.8*(1+R1/R2)
SEMTECH VOUT : 2.533V
A2.5V
BCD:Vout=0.6*(1+R1/R2)
THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.
+3.5V_ST
POWER_ON/OFF1
R8178
22
R8126
10K
OPT
R8139
10K
OPT
R8112
10K
TACT_KEY
R8135
22
R8116
22
LED_B/LG_LOGO
R8182
10K
OPT
NEC_EEPROM_SDA
+3.5V_ST
R8127
22
R
8
1
7
7
2
2
C8100
0.1uF
R8115
22
R8134
22
R8124
10K
11YEAR_TOOL
RL_ON
INV_CTL
R8194
22
MODEL1_OPT_2
+3.5V_ST
+3.5V_ST
+3.5V_ST
R8132
22
+3.5V_ST
R
8
1
7
6
2
2
NEC_ISP_Tx
IR
R8125
4.7K
NEC_ISP_Rx
OCD1B
OCD1A
SW8100
JTP-1127WEM
1
2
4
3
R8114
22
MODEL1_OPT_3
R8111
10K
TOUCH_KEY
AMP_RESET_N
FLMD0
MICOM_RESET
POWER_ON/OFF2_2
R8143
10K
NEC_EEPROM_SDA
OCD1A
OCD1A
R8195
22
MICOM_RESET
R8113
22
R
8
1
4
2
2
2
OPT
+3.5V_ST
+3.5V_ST
KEY1
Q8100
2SC3052
E
B
C
SOC_RESET
MODEL1_OPT_0
R8106
10K
R8185
20K
1/16W
1%
C8104
0.1uF
R8184
47K
+3.5V_ST
NEC_ISP_Tx
NEC_RXD
R8128
22
NEC_EEPROM_SCL
R8133
22
R8110
10K
NON_DP_MODEL
R8104
10K
NEC_TXD
R8181
10K
OPT
R
8
1
4
5
2
2
R8186
20K
1/16W
1%
MODEL1_OPT_1
R8190
22
R8123
10K
10YEAR_TOOL
AMP_MUTE
R8189
10K
POWER_ON/OFF2_1
R8108
10K
R8183
10K
OPT
C8103
0.1uF
R
8
1
4
4
2
2
HDMI_CEC
R8175
4.7M
R8105
10K
R
8
1
0
0
4
7
K
R8187
22
MODEL1_OPT_1
+3.5V_ST
R8140
47K
OPT
C8107
1uF
R8191
22
R8118
22
KEY2
R8121
10K
PWM_LED
NEC_EEPROM_SCL
OCD1B
FLMD0
R8120
10K
IIC_LED
R8130
22
NEC_ISP_Rx
MODEL1_OPT_3
R8103
100
NEC_ISP_Tx
EDID_WP
R8102
100
COMP_LINE_DETECT
R8117
22
R8129
22
P8100
12505WS-12A00
1
2
3
4
5
6
7
8
9
10
11
12
13
R8196
22
+3.5V_ST
POWER_DET
NEC_ISP_Rx
R8131
22
R8122
4.7K
OCD1B
R8119
22
R
8
1
7
9
2
2
MODEL1_OPT_0
R8107
10K
R8109
10K
DP_MODEL
LED_R/BUZZ
MODEL1_OPT_2
R8193
22
PANEL_CTL
R8136
22
OPT
X8100
10MHz
R8138
0
GND
GND
SDA2_3.3V
SCL2_3.3V
MICOM_DOWNLOAD
R8146
0
R8101
100
OPT
FLASH_WP
MICOM_DOWNLOAD
C8108
0.1uF
C8101
13pF
50V
C8102
13pF
50V
R8197
270K
OPT
SIDE_HP_MUTE
R137
22
X8101
32.768KHz
C8105
15pF
C8106
15pF
R8198
4.7K
S/T_SCL
+3.5V_ST
R8199
4.7K
+3.5V_ST
S/T_SDA
R8231
0
R8230
0
IC8100-*1
M24C16-WMN6T
MICOM_EEPROM_ST
0IMMRSG036B
3
NC/E2
2
NC/E1
4
VSS
1
NC/E0
5
SDA
6
SCL
7
WC
8
VCC
IC8100
AT24C16BN-SH-B
EAN61146201
MICOM_EEPROM_ATMEL
3
NC_3
2
NC_2
4
GND
1
NC_1
5
SDA
6
SCL
7
WP
8
VCC
LNB_INIT_CONTROL
R
8
8
3
2
2
2
IC8101
uPD78F0514
1
P60/SCL0
2
P61/SDA0
3
P62/EXSCL0
4
P63
5
P33/TI51/TO51/INTP4
6
P75
7
P74
8
P73/KR3
9
P72/KR2
10
P71/KR1
11
P70/KR0
12
P32/INTP3/OCD1B
13
P31/INTP2/OCD1A
14
P30/INTP1
15
P17/TI50/TO50
16
P16/TOH1/INTP5
17
P15/TOH0
18
P14/RXD6
19
P13/TXD6
20
P12/SO10
21
P11/SL10/RXD0
22
P10/SCK10/TXD0
23
AVREF
24
AVSS
25
ANI7/P27
26
ANI6/P26
27
ANI5/P25
28
ANI4/P24
29
ANI3/P23
30
ANI2/P22
31
ANI1/P21
32
P20/ANI0
33
P130
34
P01/TI010/TO00
35
P00/TI000
36
P140/PCL/INTP6
37
P120/INTP0/EXLVI
38
P41
39
P40
40
RESET
41
P124/XT2/EXCLKS
42
P123/XT1
43
FLMD0
44
P122/X2/EXCLK/OCD0B
45
P121/X1/OCD0A
46
REGC
47
VSS
48
VDD
R8088
0
OPT
SIDE_HP_MUTE
5    120
0
31
LW57
IIC_LED
11YEAR_TOOL
MODEL OPTION
0
PWM_LED
PIN NAME
MODEL_OPT_0
MICOM MODEL OPTION
8
MODEL_OPT_3
PIN NO.
30
11
TOUCH_KEY
0
NON_DP_MODEL
MODEL_OPT_2
LV55
10YEAR_TOOL
MODEL_OPT_2
EEPROM for Micom
MODEL_OPT_1
for Debugger
TACT_KEY
MODEL_OPT_1
LOW
DP_MODEL
1
HIGH
MICOM
BCM_JAPAN
10/11/25
10Mhz Crystal
EyeQ Capella 10YEAR_TOOL 3212  / 11YEAR_TOOL 3231
(Display Port)
MODEL_OPT_3
0
MODEL_OPT_0
0
0
0
LW57
LV55
Page of 87
Display

Click on the first or last page to see other 42LW6500-JA (CHASSIS:LE13E) service manuals if exist.