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17
HCD-GX45/RG440SECTION 3TEST MODE
[COLD RESET]• The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning theset to the customer.
Procedure:1. Press the [POWER] key to turn the power ON.2. Press three keys of x , [GROOVE] and [POWER] simultaneously.3. The message “COLD RESET” is displayed on the fluorescent
indicator tube momentarily, then becomes standby states.
[TUNER STEP CHANGE-OVER](Except AEP and UK models)• A step of AM channels can be changed over between 9 kHz and
10 kHz.Procedure:1. Press the [POWER] key to turn the power ON.2. Press the [TUNER BAND] key to select “AM”.3. Press the [POWER] key to turn the power OFF.4. Press two keys of [TUNER/BAND] and [POWER] simultaneously.5. The message “9K STEP” or “10K STEP” is displayed on the
fluorescent indicator tube, and thus the channel step is changedover.
[CD SHIP MODE]• This mode moves the optical pick-up to the position durable to
vibration. Use this mode when returning the set to the customerafter repair.
Procedure:1. Press the [POWER] key to turn the power ON.2. Press the [CD] key to select “CD”.3. Press two keys of [CD] and [POWER] simultaneously.4. The message “LOCK” is displayed on the fluorescent indicator
tube, and the CD ship mode is set.
[CD TRAY LOCK MODE]• This mode is used to unable to take sample disc out of tray in the
shop.Procedure:1. Press the [POWER] key to turn the power ON.2. Press the [CD] key to select “CD”.3. Set disc on the tray.4. While pressing the x key, press the Z key for 5 seconds.5. The message “LOCKED” is displayed on the fluorescent
indicator tube and the tray is locked. (Even if pressingthe Z key, the message “LOCKED” is displayed on thefluorescent indicator tube and the tray is locked)
6. To release from this mode, while pressing the x key, pressthe Z key for 5 seconds.
7. The message “UNLOCKED” is displayed on the fluorescentindicator tube and the tray is unlocked.
[AMP TEST MODE]• This mode is used to set the parameter of AMP IC for adjustment
of tone quality and VACS level and display VACS status.Procedure:1. Press the [POWER] key to turn the power ON.2. Press three keys of x , [GAME EQ] and [EFFECT ON/OFF]
simultaneously.3. When the AMP test mode is activated, the message “AMP
TEST” is displayed on the fluorescent indicator tubemomentarily.
4. Press two keys of [GAME EQ] and [DISC 2] simultaneously, modeis changed over to parameter setting of AMP IC and display ofVACS status.
5. When the VACS status, the message VACS level, VACS signallevel, and VACS signal hold level is displayed on the fluorescentindicator tube.
6. Press the [GROOVE] key, DBFB ON/OFF is changed over.7. Press the [GAME MIXING] key, surround ON/OFF is changed
over.8. To release from this mode, press two keys of [GAME EQ] and
[MOVIE EQ] simultaneously.
18
HCD-GX45/RG440
[AGING MODE]• This mode can be used for operation check of CD section and
tape deck section.CD section and tape deck section work in parallel.
If an error occurred:The aging operation stops only an error occurred sections anddisplay then status.
If no error occurs:The aging operation continues repeatedly.
Procedure:1. Press the [POWER] key to turn the power ON.2. Press the [CD] key to select “CD”.3. Set disc on the tray and set tape into the deck.4. Set the “ALL DISCS” mode and “REV OFF” mode.5. Press three keys of x , [GAME EQ] and [DISC SKIP/EX-CHANGE]
simultaneously.6. The message “AGING” is displayed on the fluorescent
indicator tube momentarily, then aging operations of CD andtape are started at the same time.
7. To release from this mode, operate the “COLD RESET”.
1. Display at the Aging ModeDisplay operating state of CD section and tape deck sectionalternately.If an error occurred, stop display which that section.
2. CD SectionThe sequence during the aging mode is following as below.Display at the aging mode is the same as the normal operation.
Aging mode sequence (CD section) :
Start (from disc 1)
Disc chucking
TOC read
Play first track for 2 seconds
Play last track for 2 seconds
EX-change open/close
Open the disc tray
Disc skip
Close the tray
Change the next disc.
3. Tape Deck SectionThe sequence during the aging mode is following as below.If an error occurred, stop display that step.
Aging mode sequence (tape deck section) :
Rewind the tape A and B“AAG-1 or 2”
Shut off
FWD play the tape A“AAG-3”
2 minutes
Fast forward the tape A“AAG-4”
Shut off or 20 seconds
REV play the tape A“AAG-5”
2 minutes
Rewind the tape A“AAG-6”
Shut off
FWD play the tape B“BAG-3”
2 minutes
Fast forward the tape B“BAG-4”
Shut off or 20 seconds
REV play the tape B“BAG-5”
2 minutes
Rewind the tape B“BAG-6”
Shut off
Note: “*AG-*” is display of each step.
19
HCD-GX45/RG440
[GC TEST MODE]• This mode is used to check the fluorescent indicator tube, LED
and key.Procedure:1. Press the [POWER] key to turn the power ON.2. Press three keys of x , [GAME EQ] and [DISC 2] simultaneously.3. Fluorescent indicator tube and LEDs are all turned ON.4. Press two keys of [GAME EQ] and [DISC 2] simultaneously, mode
is changed over.5. In the key check mode, press each key, the defined key number
of every each key list is displayed on the fluorescent indicatortube.
6. In the key count check mode, “KEYCNT 0” is displayed on thefluorescent indicator tube. Each time a key is pressed,“KEYCNT” value increases. However, once a key is pressed, itis no longer taken into account.
7. In the headphone input check mode, connect the headphone,the message “H_P ON” is displayed on the fluorescentindicator tube, and disconnect the headphone, the message “H_POFF” is displayed on the fluorescent indicator tube.
8. In the volume check mode, turn the [VOLUME] knob, thedisplay on the fluorescent indicator tube is changed over to“VOLUME UP”, “VOLUME FLAT” or “VOLUME DOWN”
[MC TEST MODE]• This mode is used to check operations of Amplifier.Procedure:1. Press the [POWER] key to turn the power ON.2. Press three keys of x , [GAME EQ] and [DISC 3] simultaneously.3. When the MC test mode is activated, the message “TEST
MODE” is displayed on the fluorescent indicator tubemomentarily, then VACS level is displayed on the fluorescentindicator tube.
4. Press the [MUSIC EQ] key, the display on the fluorescentindicator tube is changed over to “GEQ MAX”, press the[EFFECT ON/OFF] key, the display on the fluorescent indicatortube is changed over to “GEQ FLAT”, press the [MOVIE EQ]
key, the display on the fluorescent indicator tube is changedover to “GEQ MIN”,
5. Turn the [VOLUME] knob, the display on the fluorescentindicator tube is changed over to “VOLUME MAX”, “VOLUME16” or “VOLUME MIN”
6. Press the [GROOVE] key, VACS ON/OFF is changed over.7. When the [REC PAUSE/START] key is pressed with a tape set in
the deck-B, the function is switched “MD” or “VIDEO” andrecording starts. When the m or M key is pressed duringrecording, the tape is rewound back to the beginning ofrecording, the function is switched to “TAPE B”, then playbackstarts.
8. When the [CD SYNC] key is pressed with the test tape (AMS-100, AMS-110A) in the deck, number of space between tunesis counted, then if AMS-110A is set, “OK” is displayed on thefluorescent indicator tube and if AMS-100 is set, “NG” isdisplayed on the fluorescent indicator tube.
9. To release from this mode, press the [POWER] key.
[MODEL, DESTINATION AND VERSION DISPLAY]• This mode is used to check the model, destination and software
version.Procedure:1. Set to the standby state.2. Press three keys of x , [GAME EQ] and [MOVIE EQ]
simultaneously.3. When the model, destination and version display mode is
activated, the model an destination is displayed on thefluorescent indicator tube.
4. Press two keys of [GAME EQ] and [DISC 2] simultaneously, modeis changed over to model and destination display mode andversion display mode.
5. To release from this mode, press the two keys of [GAME EQ]
and [MOVIE EQ] simultaneously.
[CD ERROR CODE DISPLAY]• This mode can be used for error display of CD section.Procedure:1. Press the [POWER] key to turn the power ON.2. Press the [CD] key to select “CD”.3. Press three keys of x , [GAME EQ] and [DISC 1] simultaneously.Note: Error code is not displayed on the fluorescent indicator tube.
[CD SERVICE MODE]• This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the optical pick-up.Procedure:1. Press the [POWER] key to turn the power ON.2. Press the [CD] key to select “CD”.3. Press three keys of x , [GAME EQ] and Z simultaneously.4. When the CD service mode is activated, the message
“TRAVERS ON” is displayed on the fluorescent indicator tube.5. Press the M key, optical pick-up move to outside track and
the message “SLED OUT” is displayed on the fluorescentindicator tube.
6. Press the m key, optical pick-up move to inside track andthe message “SLED IN” is displayed on the fluorescentindicator tube..
7. Press the [MOVIE EQ] key, traverse ON/OFF is changed over.
[5 REPEAT LIMIT CANCEL]• Number of repeat for CD playback is 5 times when the repeat
mode is “REPEAT”. This mode is used to enables CD to repeatplayback for limitless times.
Procedure:1. Press the [POWER] key to turn the power ON.2. Press the [CD] key to select “CD”.3. Press three keys of x , [GAME EQ] and G simultaneously.
31 31
HCD-GX45/RG440
• Refer to page 29 for Waveforms.
5-10. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 49 for IC Block Diagrams.
(Page 36)
IC B/D
CN708
C711
C712
C721
C719
C720
C718
C717
C715
C716
C714
C706
C707
R73
9
R74
0
R74
1
M702
M701
R738
C747 C748
R707
C705
C709
R730
C746 C708 R729
C743C744
R725R726
R731
C754C742
C753
R760
C756
C722
FB707FB708
R72
0
R71
9
R71
8
R721
C830
R826
R827
R828
R825
C825
R823
R824
C829
FB808
FB701
R765 C734
C735
X701
C732
C733
C729
C811
R817
R818
C812
R819R820
FB807FB801
FB802
C844
C856
C810
R801 R802
C837
R80
3
R80
4
R80
5
C813
C814
C843
C803 C805
C815
C816
R834
R833 R832
IC803
FB80
3
FB80
5
FB80
6
CN710
C802C807
R732
C806
C817
R71
7
R71
6
C741
R728
R745
R701
R706
R708C710
R727C703
C723
R711
R703
R704
R705
C702
C701
FB80
4
C831
C704
R709
S701
R714
R715
TP
TP
TP
TP
C713
R829
R747
R746
R713
C823
C824
R744
R807
R806
IC801
C804
C859
C858
C857 C860
R860
C835
C834
C731
IC721
IC722
IC802
Q701
R722
R702
(KSS-213DCP)
33 33
HCD-GX45/RG440
5-12. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 50 for IC Block Diagrams.
IC B/D
R751
C752CN705
CN704CN721
CN751
C751
IC701
IC712
R701
R713
R711
R723 R721R722
C735C736C737
R735
R733R731
C731
C741CN702
CN703
CN701
RE701
M741
M751
IC731CN731 CN741
CN742
CN751
C715
R702
R712
R732R734
D701
D711S751
Q731
(Page 35)
3434
HCD-GX45/RG440
(Page 36)
5-13. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 50 for IC Block Diagram.
IC B/D
D102
R101
R102
C103
C102
C101
R317
C321
C323
C327
C325C319
R33
0
C320
C324
C337
R323
C328C3
26
R326
C353C303
C318
R318
D317
C304
C357
C312
C310
C355
R39
6
R39
5
R316
C362
C361
R365
JR124C432 C434
C365
C309
C435
C433
C431
IC301
JR300
C317
R325
C436
C313
C411
C314C412
C356
R380
R355 R356
C342 R354 R358
C107 C106
CN102 C105
C300
R305C307
C424
C350
C332
C334
R344
C349
R345
R321
R31
9
C333
C331
R324
R397
R399 R398
R322 R320
R328
CN101
C366
R306C308
Q321
Q322
Q311 Q310
Q312
C393
C425
C428
C430
TU901
CN305
JR358
R329
C311
C354
(Page 35)
(Page 37)
(Page 39)
35 35
HCD-GX45/RG440
IC B/D
R233
R425
R424
CN309
C402
C202
C201
C203
C204
C237
C244
C232
C266
C248
C267
R267C269R271
C273 C247
C249
C254R284C253
R278
R270R282
R215
C260
C258R287R288 C259
R235
R286
R232R234
C261
C285 R285
Q228
C240 R253R246C221
R245R273
R269
R241 R242
D206
R251
R353
R352
R455
R406
R426
R466
D305
C392
C391 C390
R430
R368
IC310
R272
R400 R401 R402 R404 R405
C401
R486
R407 R408 R409 R410
D306
R216
C250
C272
CN203
HP1
D101
C286
C241
Q223
Q221 Q218
Q225
Q222
IC201
GA1
R307
R231
R266
C268
IC309
C450
Q220Q219
L201
R268
R265
C239
D205
R283
R220
CN202
D324
R258
R263
R262
R256 R249
R257 R250 R261 R218
R238R264
C230
C235
C236
D210 D203
D204
C231
Q210Q211
R239
C265
R236
R237
C255
R219
C205
TP63
TP62
TP61
TP56
TP57
TP58
TP59
TP60
R260
C206
R369
HRPE1
Q212
C257
C228
C227
C234
R226 C226
C242
R252
C223
R225
C225
C233
C256
(Page 37)
(Page 33)
(Page 34)
• Refer to page 29 for Waveforms.
5-14. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — • Refer to page 51 for IC Block Diagram.
3636
HCD-GX45/RG440
(Page 37)
5-15. SCHEMATIC DIAGRAM — MAIN SECTION (3/4) —
CN311
CN312
CN306
CN310
R421
R362
R361R480
R363
R364
D311
C370
C369
JR333
C377
R371
R372
D371
D374
C398
CN303
M731
JR339
JR343
C378 JR344
C386 R374
C453 C449
R460 R461
R423 R422
Q371Q373
R373
JR360JR345
C444
G2
C451 JR453
C452
D312
R433
R434
JR341
C448
Q304
(Page 34)
(Page 44)
(Page 39)
(Page 31)
(Page 41)
37 37
HCD-GX45/RG440
(Page 36)
5-16. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) —
R484
CN304
D315 D313
CN307
R346
R387C397
R386
R388
C345
C372
D36
4
R43
1
R379
D314
R482 R481
C399C419C418
D321 D322
C375C374C373
D301 D302 C380
C381
D304D303
C420 C421
R378
D319 D320
R483
R314
C363
IC304
R313
R432
C339C364
D307
C371
IC305 IC308 IC313
C417
Q331
Q330
D316
Q324
C437
C438
Q301
Q302
R309C305
C359
C306
R310
C429
C426
C445
R427
R429
R428
R487
R488
R435 D318 C441
D323
C423
D308
R377 R360
D366
C427
D325
R456
R457
R465
R459
JR332
JR331
JR329
JR330
R384R348
IC306
Q329
C348R312
R311
R357
Q309
R471
C368
R342R383
C394
R376C346
R472 C338 R343 C344 R476
R349
R473
C336 R350C409
R474
IC302
R458 R381
R382
C376C389
R477
R475
IC312
R351
Q326
C335
(Page 34) (Page 35)
(Page 41)
(Page 44)
41 41
HCD-GX45/RG440
(Page 37)
(Page 36)
5-20. SCHEMATIC DIAGRAM — PANEL SECTION — • Refer to page 29 for Waveforms.
1
A
B
C
D
E
F
G
H
I
J
2 3 4 5 6 7 8 9 10 11 12 13 14
DMAIN BOARD CN311
CMAIN
BOARDCN304
8.6
0
9.7
5.7
3.6
3.4
3.4
1,2
0.8
3.6
1.6
-1.5
-1.5
-1.5
3.6
3.6
-1.5
3.2
0 3.2
0 0
-25.
8
-25.
8
3.3
-25.
8
-25.
8
-25.
8
-25.
8
-25.
8
-25.
8
-25.
8
0
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
-25.8
3.3
-25.
8
-25.
8
0.8
0.8
0.8
3.3
8.6
3.3
3.1
3.3
3.5
0
0
0
3.3
3.4 0 0 0 0 0
3.6
3.3
1.4
1.7
1.6
1.7
3.3
3 3 0 3 1.5
1.6
3.3
3.3
3.3
1.9
3.3
0-25.8
3.5
3.4
7.57.5
4 1.3
0
3.3
3.6
3.3
0
5.2
0.4
1
9
0
1.2
1.2
9
9
0
1.2
9
0.7 00
0 8.68.6
-25.
8
-25.
8
(GX4
5,RG
440:
AUS)
(RG4
40:A
EP,U
K)
(RG440: AEP,UK)
(GX45,RG440: AUS)
(RG440: AEP,UK)
IC602
9P
7P 7P
Q609, 610BUFFER
Q618CAPMDRIVE
Q616TAPE SOL A
DRIVE
TAPE DECK BLOCKSUPPLIED WITHTHE ASSEMBLED
BLOCK
Q617TAPE SOL B
DRIVE
DISC1
3P
Q601 RESET SWITCH
31P
CN604 3P
RM601RPM7240-H4
DISC2
ALBUM –
GAME
EFFECTON/OFF
ALBUM +GAMEMIXING
DISC3
/
DISC SKIP/EX-CHANGE
Xx
Z
13P
POW
ER HL-3
0105
Q2AT
(STREAM1)
(STREAM2)
(STREAM3)
(STREAM4)
(STREAM5)
(STREAM6)
LED607 – 609, 612HL-30105Q2AT
Q602 – 604,0607LED DRIVE
REMOTE BOARD
6 STREAM LED BOARD
TAPE A/BCD
VOLUME
TUNER/BAND
IC601IC601
REMOTE CONTROLRECEIVER
RM601
EVER +4VREG
IC602RESETIC603
LC876780B-51Y0-E SYSTEM CONTROL,
FLD CONTROL
PANEL BOARD
m –
+. >
G
m
LED601-606SEL5223S-TP15
GAME
4
99
98
100
6
10
77
76
5
S
80
81
M9V
18
19
82
83
4VSW
81
82
83
86
94
95
96
97
98
99
100
23
22
1 45 6 7 8 9 10
18 19 20 21 22 23
29
30
33
32
31
34
35
36
37
38
39
40
41
42
43
44
45
47
48
49
50
52535455565758596061626364657380 79 78 77 76 7475
65
64
63
62
61
60
59
58
57
56
55
54
53
52
50
49
48
47
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
VF233 30313241 40 39 38 37 36 35 3442434445474849505253545556575859606162636465VF1
VF2VF1
VM10V
4VSW–VFL
292
7574
996
9597
78
7820
731
S79
M9V
HOLD94
21
D–GN
D
M–G
ND
EVER
4V
JR620
D613
D612
D610
D606–610,612,6131SS355
VM10V
0.2250V
4.7k
10V
RESE
T
2
R602
100
22p
R608 100
1SS355
1SS355D633
JR62
6 0
4VSW
D634
1SS3
55
43 43
HCD-GX45/RG440
(Page 44)
5-22. SCHEMATIC DIAGRAM — SUB WOOFER SECTION —
Q410
Q411
R424
R425C411
R428
R430
R429
JR437
TH401
C410
Q409
R420
R419
R422
C408 C409
D405
Q407
Q406
Q408
R421JR423R417R416
R415
R405
R406
R407
R410R408
R413
R412R411
R409D402
C407
Q402
Q401
D401 R414
D404
D403
R404
C404
R402C402
C401
R401
C405
JR418
EP401 C413
R441 R442R443
C412
R448
R450
R449
R447
R452
R451R464 C421
D414
R453
C424
R454 R455
Q419
R459
R456 R457
R460 R463
D412
D413
D410 R462
R461R465
R466
D409
R468R467
Q426
R486
R487R485
Q425
C430
R484
R483Q424
Q423 Q422
Q420D420
D421D422
D423
D424 D425
R482R496 R488 R480
R481
C431
R479 R494 R478
C432
R477
R476
R475
R474
R473
R472R471
R489
R469C417
C415
C414C416
R432R438
L401 R431
RY401
D407
R436
R435 R434
R433
JK401
R491R492R493
D418
C428
R444
D406
R440Q415
Q414
Q416
C406
Q403 Q404
Q412
D416
C425
C429
D419
R470
CN402
CN401
Q405
D415
Q417
R458
D411
Q421
D417
R490
Q413
D408
R426
R427
4444
HCD-GX45/RG440
(Page 36)
5-23. SCHEMATIC DIAGRAM — POWER AMP SECTION (1/2) —
(GX45)
(RG440)
(GX45)
(RG440)
D509
D510
R45R46
CN501
CN502
R591
R592
R562
JW1
R79
D33
R72
C34 R70
R77
R54
D37
R75Q22
C37
R85
R94
R560
R556
R558
R559
R557
R554
C514
R555
R553
R539
R545
Q519
R531
Q517 R523
R527
C511
R547
D501
R533R535
R530
D502
Q518
Q520
R546
R540EP501
D508
R534R536
C512
R548
R520R526
R528
R61D31
D32
R41 R64
R26
D38
R52
Q11
R51
R50
Q10
D19 D18
R49 R48 R47
D20
Q13
R518
R510
R506
R512
Q50
6
R524
D504 TH502
R511
R509
Q50
5
R505
R519R525 R517
D505
D507
TH501
D503
R529
C530
R90
R86
R99Q20
D24R92
R78R58C42
R59
Q23R60
R56
R55
R74
D34
D36JW2
D35
C30
C45
R53
C40
R91
R96
C31
Q21
R76
D23
D29
R542
R544
C513
R538
Q52
3
R543 R541
C509
R537
C503
Q52
1
Q51
3
Q51
1
Q507
Q509
Q508
C510
Q510
C504
C501
C502
R67
R66
C26
R65
C25 R68
R561
C523
Q51
6
D506
Q24
C35
Q51
4
Q51
2
Q52
2
Q52
4
Q51
5
D25
D30
C507 C505
C508 C506
Q17
JR516
C521 C517
Q525R569
R599
C519
R549
R550
C518C522
C520
Q526
R500
C538JR514
JR513 R521
R513
JR511
R522
R516
R514
JR517
R83
R81
R93
R95
R82
R71
C43
JR512
R515
D41
C33
D42
C41
R502
R504
R501
R503
Q527
Q12
C540
CN503
JR515
R566C528
R565
Q528
Q501
R507
Q503
Q502
R508
Q504
R532
Q18
Q19
R63
R62R69
R27
JR501
R97
R42
R98
R43
D26
1N54
02
D27
1N54
02
(Page 37)
(Page 45)
(Page 43)
45 45
HCD-GX45/RG440
(Page 48)
(Page 44)
5-24. SCHEMATIC DIAGRAM — POWER AMP SECTION (2/2) —
C13
C23R20R19R18
D13
R21 R23
R22
R40
C24
R39
R38D17D16
R16 R17
D40
D12
R593C529R576
R575
D513
R577R594
R589
D511
L502
R570R571
L501
EP502
R105
R104R106
R103
R108
R107
R110
R109
C6
C5
C8
C7
R563 R564
Q534
R567 R568
C531
Q536
Q535 R580
R581
R29R100
R44
R73
D11
R4
D39
D514
Q5 Q6
Q529
Q530
C535 C534
C544C543
R574R578
C541 C542
R604R602
R603R601
C532C533
R13
Q8Q9
Q7
EP01
RY501
R31
D515
C1 C2
C3 C4
CN1
JW3JR2
R9
R7R6
R8
C22
R32 R33
R35
R36
JK502
R573
C525
C527
R572
C524
C526
D3 D6
D4 D5
D2
C9
C10
C11
C12
JW501
R12
R14
R102
R34
R37
4848
HCD-GX45/RG440
(Page 45)
5-27. SCHEMATIC DIAGRAM — TRANSFORMER SECTION —
(US,CND)
NOT REPLACEABLEBUILT IN TRANSFORMER
D906
D902D903
D905 D904
RY902
CN902
C902
T902
JW909CN901
C901
F902
F905
F903
F904
F906
T901
JW901
R901
JW902