Panasonic BB-HCM580CE (serv.man2) Service Manual ▷ View online
89
BB-HCM580CE
14.3. Replacement Parts List
Note:
1. RTL (Retention Time Limited)
The marking (RTL) indicates that the Retention Time is
limited for this item.
After the discontinuation of this assembly in production,
the item will continue to be available for a specific period
of time. The retention period of availability depends on
the type of assembly and the laws governing parts and
product retention. At the end of this period, the assembly
will no longer be available.
limited for this item.
After the discontinuation of this assembly in production,
the item will continue to be available for a specific period
of time. The retention period of availability depends on
the type of assembly and the laws governing parts and
product retention. At the end of this period, the assembly
will no longer be available.
2. Important safety notice
Components identified by the mark indicates special
characteristics important for safety. When replacing any
of these components, only use specified manufacture's
parts.
characteristics important for safety. When replacing any
of these components, only use specified manufacture's
parts.
3. The S mark means the part is one of some identical parts.
For that reason, it may be different from the installed part.
4. ISO code (Example: ABS-94HB) of the remarks column
shows quality of the material and a flame resisting grade
about plastics.
about plastics.
5. RESISTORS & CAPACITORS
Unless otherwise specified;
All resistors are in ohms (
All resistors are in ohms (
Ω), k=1000Ω, M=1000kΩ
All capacitors are in MICRO FARADS (
µF), p=µ(µF)
*Type & Wattage of Resistor
14.3.1. Cabinet and Electrical Parts
14.3.2. Accessories and Packing Materials
Safety
Ref.
No.
Part No.
Part Name & Descrip-
tion
Remarks
1
PSKE1063T1 COVER, TILT UPPER
ABS-VO
2
PQGB10026Z BADGE
3
PQJE10165X LEAD WIRE, FCC(VIDEO-
CCD)
4
PQZEHCM581 COVER, CABINET HOLDER
POM-HB
5
PSMH1254X CHASSIS, LENS
6
PSDV1003Z TILT BELT
7
PSHR1287Z TILT GEAR
POM-HB
8
PQUP11417Z LEAD WIRE, FCC(VIDEO-
LENS)
9
PSKV1034Z1 COVER, LENS
ABS-VO
10
PQKV10075Z1
COVER, SD
ABS-VO
11
PSHR1285Z OPTIC
CONDUCTIVE
PARTS, LED LENS
PS-HB
12
PSKE1064Z1 COVER, TILT LOWER
ABS-VO
13
PSKV1033Z2 COVER, PAN SCREW
ABS-VO
14
PSKV1032Y2 COVER, PAN
ABS-VO
15
PSKE1065Y2 COVER, PAN(LOWER)
ABS-VO
16
PSHX1213Z
PLASTIC PARTS, FCC
SHEET
PC-V2
17
PSHR1289Z SPACER ABS-VO
18
XUC3FJ
RETAINING RING
19
B-F4-73 SPACER
20
PSMH1257Y FRAME, TILT
21
PSHX1214X SPACER
22
PQWQ2HCM581
TILT MOTOR
23
PQKM10754Z1
CABINET BODY ABS-VO
24
PQBC10496Z BUTTON ABS-VO
+HB
25
PSHR1291Z GUIDE, PAN SLIDER
POM-HB
26
PQWQ1HCM581
PAN MOTOR
POM-HB
27
PQKF10738W1
CABINET COVER ABS+PC-
VO
28
PQGT19721Z NAME PLATE
29
PSHA1012Z RUBBER
PARTS,
LEGS(BIG)
30
PSHA1013Z RUBBER
PARTS,
LEGS(SMALL)
31
PQMC10526Z INSULATOR
32
PQWEHCM580CE
CPU BOARD AND CCD UNIT
ASS’Y(RTL)
32-1
VXW0798-Q LENS
32-2
K7ZD00000053
OPTICAL
FILTER,
LFP
32-3
PSHG1203Z RUBBER PARTS
32-4
XQN16+CJ6FJ
SCREW
33
J0KD00000107
INSULATOR
34
PQHS10786Z SPACER
A
XTW2+5LFJ45
SCREW
B
XTB2+6GFJ SCREW
C
PQHV2610PJ65
SCREW
D
XYN26+C4FJ
SCREW
E
XQN16+C45FJK
SCREW
Safety
Ref.
No.
Part No.
Part Name & Descrip-
tion
Remarks
A1
PSHR1303Z COVER, LENS PROTECTION PS-HB
A2
PQMD10110Z MOUNTING
BRACKET,
CEILING STAY PLATE B
A3
PQZMHCM581A
MOUNTING
BRACKET,
CEILING
STAY
PLATE
A
A4
PSKL1023Y2 CEILING
MOUNTING
CASTER
ABS-VO
A5
XYN3+J6FJ WASHER
A6
PQHV2610PJ65
SCREW
A7
XTB4+20AFJ SCREW
A8
XWG26D12VW WASHER, SMALL
A9
XWG4F16VW WASHER, BIG
A10
PQME10080Z ANGLE, SAFETY WIRE
A11
XZB20X30A05
PROTECTION COVER
A12
PQPH89Z PROTECTION
COVER
A13
PQQX15811XCD
INSTRUCTION BOOK, CD-
ROM
A14
PQQW15579Z LEAFLET, KEIYAKUSYO
A15
PSQW2018Z LEAFLET, LENS CAP
A16
PQQX16044Z INSTRUCTION
BOOK,
SETUP GUIDE
A17
PQQX16052Z INSTRUCTION
BOOK,
INSTALLATION GUIDE
A18
PQQX16043Z INSTRUCTION
BOOK,
IMPORTANT INFORMATION
A19
PQQW15741Z LEAFLET,
IMPORTANT
SAFETY INSTRUCTIONS
A20
PQQW15586Z
LEAFLET,CD GS 8 LAN-
GUAGES
A21
PQQW15893Z LEAFLET,
AC
CORD_FUSE_UK
A22
PSJA1106Z POWER CORD
A23
PFJA02A006Z
POWER CORD
Safety
Ref.
No.
Part No.
Part Name & Descrip-
tion
Remarks
90
BB-HCM580CE
14.3.3. CPU Board Parts
A24
PQLV202T AC ADAPTOR
P1
PQPK15901Z GIFT BOX
P2
PSPN1161Y ACCESSORY BOX
P3
PSPN1163Z ACCESSORY BOX
P4
PQPD10851Z CUSHION
P5
PSPD1232Z CUSHION
Safety
Ref.
No.
Part No.
Part Name & Descrip-
tion
Remarks
PCB1
PQWP1CM580CE
CPU BOARD ASS’Y (RTL)
(ICS)
IC101 C0EBE0000231
IC
IC102 MN103SC30EYD
IC
IC103
C3ABQY000021
IC
IC104
There is no parts supply of only
IC104. Please order PCB1.
IC105 C1CB00002568
IC
IC106
C3ABQY000021
IC
IC107 C0BBBA000044
IC
IC109 C1AB00002139
IC
IC110 C1ZBZ0003497
IC
IC116 RPI-352
IC S
IC117 C0DBGYY00198
IC
IC119 C0FBBD000174
IC
IC121 C1AB00002815
IC
IC120 AN44064A-VF
IC
(TRANSISTORS)
Q101
2SA1576R TRANSISTOR(SI)
S
Q102
PQVTDTC143E
TRANSISTOR(SI) S
Q106
PQVTDTC143E
TRANSISTOR(SI) S
Q107
PQVTDTC143E
TRANSISTOR(SI) S
(DIODES)
D101
MA741WK DIODE(SI) S
D102
MA111 DIODE(SI) S
D103
MA3082 DIODE(SI) S
LED101
B3ABB0000291
DIODE(SI)
(BATTERY)
BAT101
CR2032/H9B LITHIUM
BATTERY
(CAPACITORS)
C101
ECUE1C104ZFQ
0.1
C102
ECUE1H471JCQ
470p
C103
ECUE1H471JCQ
470p
C105
ECUV1A105ZFV
1
C106
ECUV1A105ZFV
1
C107
ECJ0EB0J224K
0.22
S
C109
ECUE1C104ZFQ
0.1
C110
ECUE1C104ZFQ
0.1
C111
ECUE1C104ZFQ
0.1
C112
ECUE1H6R0CCQ
6
C113
ECUE1H5R0CCQ
5
C114
ECUE1H101JCQ
100p
C115
ECUE1C104ZFQ
0.1
C116
F1J0J1060006
10
C117
F1J0J1060006
10
C118
ECUE1H101JCQ
100p
C119
ECUV1A105ZFV
1
C120
ECUE1C104ZFQ
0.1
C121
ECUE1C104ZFQ
0.1
C122
ECUV1A105ZFV
1
C123
ECUE0J105KBQ
1
C124
F1J0J1060006
10
C125
ECUE1H101JCQ
100p
C126
ECUE1H101JCQ
100p
C128
ECUE1C104ZFQ
0.1
C129
ECUE1C104ZFQ
0.1
C132
ECUE1H101JCQ
100p
Safety
Ref.
No.
Part No.
Part Name & Descrip-
tion
Remarks
C134
ECUE1C104ZFQ
0.1
C135
ECUE1C104ZFQ
0.1
C136
ECUE1C104ZFQ
0.1
C138
ECUE1H101JCQ
100p
C139
ECUE1H101JCQ
100p
C140
ECUE1H101JCQ
100p
C141
ECUE1C104ZFQ
0.1
C142
ECUE1C104ZFQ
0.1
C143
ECUE1C104ZFQ
0.1
C144
ECUE1H101JCQ
100p
C145
F1J0J1060006
10
C146
F1J0J1060006
10
C147
ECUE1C104ZFQ
0.1
C148
F1J0J1060006
10
C149
ECUE1H101JCQ
100p
C150
ECUE1H101JCQ
100p
C151
ECUE1H101JCQ
100p
C152
ECUE1H101JCQ
100p
C153
ECUE1H101JCQ
100p
C155
ECUE1H101JCQ
100p
C156
ECUE1H101JCQ
100p
C157
F1J0J1060006
10
C160
ECUE1C104ZFQ
0.1
C161
ECUE1C104ZFQ
0.1
C162
ECUE1C104ZFQ
0.1
C163
ECUE1H101JCQ
100p
C164
ECUE1C104ZFQ
0.1
C165
F1J0J1060006
10
C166
ECUE1C104ZFQ
0.1
C167
ECUE1C104ZFQ
0.1
C168
ECUE1H101JCQ
100p
C169
ECUE1H101JCQ
100p
C170
F1J0J1060006
10
C172
ECUE1H120JCQ
12p
C174
ECUE1H120JCQ
12p
C175
ECUE1H101JCQ
100p
C176
ECUE1C104ZFQ
0.1
C178
ECUE1C104ZFQ
0.1
C179
ECUE1C104ZFQ
0.1
C180
ECUE1H101JCQ
100p
C181
ECUE1C104ZFQ
0.1
C182
ECUV1A105ZFV
1
C183
ECUE1H101JCQ
100p
C187
ECUE1H102KBQ
0.001
C188
ECUE1H102KBQ
0.001
C189
ECUE1H102KBQ
0.001
C190
ECUE1C104ZFQ
0.1
C191
ECUE1C104ZFQ
0.1
C192
ECUE1C104ZFQ
0.1
C193
F1K1E106A059
10
C194
ECUE1C104ZFQ
0.1
C195
ECUE1H101JCQ
100p
C196
ECUE1C104ZFQ
0.1
C197
ECUE1H101JCQ
100p
C198
ECUE1H101JCQ
100p
C199
ECUE1H101JCQ
100p
C200
ECUE1C104ZFQ
0.1
C201
ECUE1C104ZFQ
0.1
C202
ECUE1C104ZFQ
0.1
C203
ECUE1C104ZFQ
0.1
C204
ECUE1C104ZFQ
0.1
C205
ECUE1H101JCQ
100p
C206
ECUE1C104ZFQ
0.1
C207
ECUE1C104ZFQ
0.1
C208
ECUE1C104ZFQ
0.1
C209
F1J0J1060006
10
C210
ECST0JX476 47
S
C211
ECST0JX336 33
S
C212
ECUE1C104ZFQ
0.1
C213
ECUE1C104ZFQ
0.1
C214
ECUE1C104ZFQ
0.1
C215
ECUE1C104ZFQ
0.1
C216
ECUE1C104ZFQ
0.1
Safety
Ref.
No.
Part No.
Part Name & Descrip-
tion
Remarks
91
BB-HCM580CE
C218
ECUE1C104ZFQ
0.1
C219
F1J0J1060006
10
C220
ECUV0J105KBV
1
S
C221
ECUE1H6R0CCQ
6
C222
ECUE1C104ZFQ
0.1
C225
F1J0J1060006
10
C232
ECUV0J105KBV
1
S
C233
ECUV1C104ZFV
0.1
C258
ECUE0J105KBQ
1
C259
ECUE1C104ZFQ
0.1
C260
ECUE1C104ZFQ
0.1
C261
F1J0J1060006
10
C262
ECUE1C104ZFQ
0.1
C277
ECUE1C104ZFQ
0.1
C305
PFCX1EY106ZF
10
S
C306
ECUE1H101JCQ
100p
C307
ECUE1C104ZFQ
0.1
C308
ECJ1VB1E103K
0.01
S
C309
ECUE1C104ZFQ
0.1
C310
ECUV0J105KBV
1
S
C313
ECUE1H101JCQ
100p
C314
ECUE1C104ZFQ
0.1
C315
F2G1C4700016
47
C316
ECUV1C224ZFV
0.22
C317
ECUE1H470JCQ
47p
C318
ECUE1H470JCQ
47p
C319
ECUE1H470JCQ
47p
C320
ECUE1H470JCQ
47p
C321
ECUE1C104ZFQ
0.1
C322
PFCX1EY106ZF
10
S
C323
ECUE1C104ZFQ
0.1
C324
ECJ1VB1E103K
0.01
S
C325
ECUV1C105KBV
1
C326
F1J0J1060006
10
C327
ECUE1C104ZFQ
0.1
C328
ECUE1H101JCQ
100p
C329
ECUE1C104ZFQ
0.1
C330
ECUE1H101JCQ
100p
C331
ECUE1C104ZFQ
0.1
C332
ECUE1H101JCQ
100p
C334
ECUE1H101JCQ
100p
C335
ECUE1C104ZFQ
0.1
C336
F1J0J1060006
10
C337
F1J0J1060006
10
C338
ECUE1C104ZFQ
0.1
C339
ECUE1H101JCQ
100p
C340
ECUE1C104ZFQ
0.1
C342
ECUE1C104ZFQ
0.1
C343
ECUE1C104ZFQ
0.1
C344
ECUE1C104ZFQ
0.1
C349
ECUE1C104ZFQ
0.1
C350
ECUE1C104ZFQ
0.1
(CONNECTORS)
CN101 K1NA09E00076
CONNECTOR,9P
CN102 K1MN21AA0058
CONNECTOR,21P
CN103 K1MN20AA0058
CONNECTOR,20P
CN104 K1KA04BA0086
CONNECTOR,4P
CN105 K1KB40AA0102
CONNECTOR,40P
(COILS,CERAMIC FIL-
TERS AND IC FILTERS)
BA117 J0JYD0000018
COIL
BA118 J0JYD0000018
COIL
L101
G1C1R0JA0041
COIL
L102
G1C1R0JA0041
COIL
L103
G1C1R0JA0041
COIL
L112
J0JBC0000071
CERAMIC FILTER
L114
J0JBC0000071
CERAMIC FILTER
L115
J0JBC0000071
CERAMIC FILTER
L116
G1C1R0JA0041
COIL
L118
J0JBC0000071
CERAMIC FILTER
L120
J0JBC0000071
CERAMIC FILTER
Safety
Ref.
No.
Part No.
Part Name & Descrip-
tion
Remarks
L121
G1C100KA0066
COIL
L123
G1C100M00027
COIL
L124
PQVFCM04RC01
CERAMIC FILTER S
L125
PQLQR1KT COIL S
L126
J0JBC0000107
IC FILTER
L127
J0JBC0000107
IC FILTER
L128
J0JBC0000107
IC FILTER
L129
J0JBC0000107
IC FILTER
L131
J0JBC0000107
IC FILTER
L132
J0JBC0000107
IC FILTER
L133
J0JBC0000107
IC FILTER
L135
J0JBC0000107
IC FILTER
L138
J0JBC0000107
IC FILTER
L139
J0JBC0000107
IC FILTER
L140
J0JBC0000107
IC FILTER
L146
J0JBC0000107
IC FILTER
L147
J0JBC0000107
IC FILTER
L148
J0JBC0000107
IC FILTER
L149
J0JBC0000107
IC FILTER
L150
J0JBC0000107
IC FILTER
L151
J0JBC0000107
IC FILTER
L153
G1C100KA0066
COIL
L154
G1C100KA0066
COIL
L156
J0JYC0000049
COIL
L277
J0JYC0000051
COIL
L279
J0JYC0000055
COIL
L280
J0JYC0000055
COIL
(RESISTORS)
R101
ERJ2GEJ103 10k
R102
ERJ2GEJ103 10k
R103
ERJ2GEJ102 1k
R104
ERJ2GEJ102 1k
R105
ERJ2GE0R00 0
R106
ERJ2GEJ102 1k
R107
ERJ2GEJ103 10k
R108
ERJ2GEJ561 560
R109
ERJ2GEJ472X
4.7k
R111
ERJ2RKF2201X
2.2k
R112
ERJ2RKF1002
10k
R113
ERJ2GEJ272 2.7k
R114
ERJ2RKF6801
6.8k
R115
ERJ2RKF4871
4.87k
R116
ERJ2RKF3302
33k
R118
ERJ2RKF1210
1.21k
R119
ERJ2GE0R00 0
R120
ERJ2GEJ151 150
R121
ERJ3GEYJ103
10k
R122
ERJ2GEJ103 10k
R124
ERJ2GE0R00 0
R125
ERJ2GEJ470 47
R126
ERJ2GEJ103 10k
R127
ERJ2GE0R00 0
R128
ERJ2GEJ102 1k
R129
ERJ2GEJ472X
4.7k
R132
ERJ2GEJ470 47
R133
ERJ2GEJ105X
1M
R134
ERJ2GE0R00 0
R135
ERJ2GEJ103 10k
R136
ERJ2RKF6801
68k
R137
ERJ3EKF49R9
49.9
R138
ERJ3EKF49R9
49.9
R139
ERJ3EKF49R9
49.9
R140
ERJ3EKF49R9
49.9
R141
ERJ2GE0R00 0
R142
ERJ2GE0R00 0
R143
ERJ2GEJ470 47
R144
ERJ2GEJ470 47
R145
ERJ2GEJ470 47
R146
ERJ2GE0R00 0
R148
ERJ2GE0R00 0
R149
ERJ2GE0R00 0
R150
ERJ2GEJ103 10k
Safety
Ref.
No.
Part No.
Part Name & Descrip-
tion
Remarks
92
BB-HCM580CE
14.3.4. Tilt Board Parts
R151
ERJ2GEJ103 10k
R152
ERJ2GE0R00 0
R153
ERJ2GE0R00 0
R154
ERJ2GEJ470 47
R155
ERJ2GEJ470 47
R156
ERJ2GEJ470 47
R158
ERJ2GEJ470 47
R159
ERJ2GEJ470 47
R160
ERJ2GEJ470 47
R161
ERJ2GEJ470 47
R162
ERJ2GEJ470 47
R163
ERJ2GEJ470 47
R164
ERJ2GEJ470 47
R165
ERJ2GEJ103 10k
R166
ERJ2GEJ103 10k
R167
ERJ2GEJ103 10k
R168
ERJ2GEJ104 100k
R170
ERJ2GEJ472X
4.7k
R171
ERJ2GEJ104 100k
R174
ERJ2GEJ103 10k
R175
ERJ2GEJ472X
4.7k
R176
ERJ2GEJ104 100k
R179
ERJ2GEJ104 100k
R181
ERJ2GEJ103 10k
R182
ERJ2GEJ103 10k
R183
ERJ2GEJ103 10k
R184
ERJ2GEJ102 1k
R185
ERJ2GEJ102 1k
R186
ERJ2GEJ102 1k
R187
ERJ2GEJ470 47
R188
ERJ2GEJ470 47
R189
ERJ2GEJ470 47
R190
ERJ2GEJ470 47
R191
ERJ2GEJ470 47
R192
ERJ2GEJ470 47
R193
ERJ2GEJ470 47
R194
ERJ2GEJ470 47
R195
ERJ3GEYJ820
82
R196
ERJ2GEJ103 10k
R197
ERJ2GEJ103 10k
R198
ERJ2GE0R00 0
R199
ERJ2GE0R00 0
R200
ERJ2GE0R00 0
R201
ERJ2GE0R00 0
R202
ERJ2GE0R00 0
R203
ERJ2GEJ103 10k
R204
ERJ2GEJ103 10k
R205
ERJ2GEJ103 10k
R206
ERJ2GEJ103 10k
R207
ERJ2GEJ103 10k
R210
ERJ2GEJ470 47
R212
ERJ2GEJ470 47
R213
ERJ2GEJ470 47
R214
ERJ2GEJ470 47
R221
ERJ2GEJ470 47
R223
ERJ2GEJ470 47
R224
ERJ2GEJ470 47
R227
ERJ3GEYJ101
100
R230
ERJ2GEJ222 2.2k
R231
ERJ2GEJ222 2.2k
R232
ERJ2GEJ222 2.2k
R233
ERJ2GEJ222 2.2k
R234
ERJ2GEJ222 2.2k
R235
ERJ2GEJ222 2.2k
R236
ERJ2GEJ471 470
R237
ERJ2GEJ471 470
R240
ERJ2GE0R00 0
R241
ERJ2GEJ470 47
R243
ERJ2GE0R00 0
R246
ERJ2GEJ470 47
R247
ERJ2GEJ470 47
R248
ERJ2GEJ470 47
R249
ERJ2GE0R00 0
Safety
Ref.
No.
Part No.
Part Name & Descrip-
tion
Remarks
R250
ERJ2GE0R00 0
R251
ERJ3GEYJ152
1.5k
R254
ERJ2GEJ101 100
R259
ERJ2RKF1693
169k
R261
ERJ2RKF3243
324k
R262
ERJ2GE0R00 0
R263
ERJ2GE0R00 0
R265
ERJ2GE0R00 0
R266
ERJ14BQFR75
0.75
R267
ERJ14BQFR75
0.75
R268
ERJ3GEY0R00
0
R269
ERJ3GEY0R00
0
R270
ERJ3GEY0R00
0
R271
ERJ3GEY0R00
0
R272
ERJ2RKF2702
27k
R273
ERJ2RKF1102
11k
R274
ERJ2RKF5602
56k
R276
ERJ2GE0R00 0
R278
ERJ2GEJ470 47
R281
ERJ2GEJ103 10k
(COMPONENT PARTS)
RA101 D1H84724A024
RESISTOR ARRAY
RA110 D1H84704A024
RESISTOR ARRAY
RA113 D1H81034A024
RESISTOR ARRAY
RA114 D1H84704A024
RESISTOR ARRAY
RA115 D1H84704A024
RESISTOR ARRAY
RA116 D1H84704A024
RESISTOR ARRAY
(SWITCHES)
SW102 K0H1BA000401
SWITCH
SW103 EVQPSM02K
SWITCH
(CRYSTAL OSCILLATORS)
X101
H0J480500027
CRYSTAL OSCILLATOR
X102
H0J250500078
CRYSTAL OSCILLATOR
X103
H0J327200193
CRYSTAL OSCILLATOR
(OTHER)
E1
PSHR1290Z
SPACER
Safety
Ref.
No.
Part No.
Part Name & Descrip-
tion
Remarks
PCB2
PQWP2HCM580
TILT BOARD ASS’Y (RTL)
(ICS)
IC952 RPI-352
IC S
IC953 C0DBAYY00309
IC
IC954 AN44064A-VF
IC
(TRANSISTORS)
Q951
PQVTDTC143E
TRANSISTOR(SI) S
Q952
PQVTDTC143E
TRANSISTOR(SI) S
Q953
2SA1576R TRANSISTOR(SI)
S
Q954
2SC4081R TRANSISTOR(SI)
S
(DIODE)
D951
MA736 DIODE(SI) S
(CAPACITORS)
C951
ECUE1H101JCQ
100p
C952
ECUE1C104ZFQ
0.1
C953
PQCUV1H105JC
1
S
C954
ECUV1A105ZFV
1
C955
ECUV1A105ZFV
1
C956
PFCX1EY106ZF
10
S
C957
ECUE1C104ZFQ
0.1
C958
PFCX1EY106ZF
10
S
C961
ECUV1A105ZFV
1
C962
ECJ1VB1E103K
0.01
S
C963
ECJ1VB1E103K
0.01
S
Safety
Ref.
No.
Part No.
Part Name & Descrip-
tion
Remarks
Click on the first or last page to see other BB-HCM580CE (serv.man2) service manuals if exist.