Sony GDM-F400, Trinitron gdm-f400, Trinitron gdm-f400t9 Service Manual

CHASSIS
SERVICE MANUAL
SPECIFICATIONS
GDM-F400/F400T9
N3P
GDM-F400
US Model
Canadian Model
GDM-F400T9
AEP Model
CRT 0.22 mm aperture grille pitch
19 inches measured diagonally 90-degree deflection FD Trinitron
Viewable image size Approx. 364.8 × 273.6 mm (w/h)
(14
3
/8 × 10 7/8 inches)
18.0" viewing image
Resolution Horizontal: Max. 1600 dots
Vertical: Max. 1200 lines
Standard image area Approx. 352 × 264 mm (w/h)
(13
7
/8 × 10 1/2 inches)
or Approx. 330 × 264 mm (w/h) (13 × 10
1
/2 inches)
Deflection frequency* Horizontal: 30 to 107 kHz
Vertical: 48 to 160 Hz AC input voltage/current 100 to 240 V, 50 – 60 Hz, 1.8 – 1.0 A Power consumption Max. 140 W (with no USB devices
connected) Dimensions
Approx. 444 × 476 × 455 mm (w/h/d)
(17
1
/2 × 18 3/4 × 18 inches) Mass Approx. 28 kg (61 lb 12 oz) Plug and Play DDC1/DDC2B/DDC2Bi/DDC2B+
* Recommended horizontal and vertical timing condition
• Horizontal sync width duty should be more than 4.8% of total
horizontal time or 0.8 µs, whichever is larger.
• Horizontal blanking width should be more than 2.5 µsec.
• Vertical blanking width should be more than 450 µsec.
Design and specifications are subject to change without notice.
5-9 5-10
(1) Schematic Diagram of US Board
123456
7
8 9 10 11 12 13
14
A
B
C
D
E
F
G
H
I
1 2 3 4
G
I
O
VC
NC
G
I
O
VC
NC
G
I
O
VC
NC
G
I
O
VC
NC
G
I
O
VC
NC
1234123412341234
1 2 3 4 5 6 7 8 9
123
4
12
3
1234567891011121314
15 16 17 18 19 20 21 22 23 24 25 26 27 28
1
2
3
C2903
C2911
FB2903
C2617
R2601 C2601
CN2901
FB2901
FB2906
FB2905
FB2904
FB2601
FB2932
FB2933
FB2934
FB2935
R2931
X2901
R2930
CN2902
CN2903
CN2904
CN2905
R2916
R2919
R2920
R2923
R2924 R2925
R2926
R2932
R2915
R2902
D2902
D2903
D2908
D2909
D2910
D2911
D2912
D2913
D2914
D2915
D2907
D2905
FB2912
FB2913
FB2914
FB2915
FB2916
FB2917
FB2918
FB2919
FB2924
FB2925
R2604
C2602
C2603
R2610
C2605
R2613
C2606
R2615
R2614
IC2606
R2616
R2620
R2621
R2607
C2609
C2610
C2608
C2607
Q2606
Q2605
Q2604
R2612
Q2603
R2609
Q2602
R2606
Q2601
R2603
IC2602
IC2603
IC2604
IC2605
D2608
R2617
R2618
R2619
C2612
D2601
D2602
D2603
D2604
D2607
D2606
D2605
FB2911
Q2607
R2622
D2610
R2903
D2904
D2906
R2901
R2927
R2928
R2933
R2934
R2935
R2941
R2942
C2914
JR2601
JR2602
JR2603
JR2604
C2909 C2910 C2912
L2901
C2905
IC2902
IC2901
C2916
C2902
C2901
IC2601
D2609
T2601
CN2603
CN2906
CN2601
47 25V
47 25V
0.01 B:CHIP
0.01
B:CHIP
1.1UH
1.1UH
1.1UH
1.1UH
1.1UH
2.2k :CHIP
1.1UH
1.1UH
1.1UH
1.1UH
1.1UH
22
:CHIP
48MHz
22
:CHIP
1.5k :CHIP
15k
:CHIP
15k
:CHIP
15k
:CHIP
15k
:CHIP
15k
:CHIP
15k
:CHIP
15k
:CHIP
15k
:CHIP
2.2k
:CHIP
UDZ-TE-17-3.9B
UDZ-TE-17-3.9B
UDZ-TE-17-5.6B
UDZ-TE-17-5.6B
UDZ-TE-17-3.9B
UDZ-TE-17-3.9B
UDZ-TE-17-3.9B
UDZ-TE-17-3.9B
UDZ-TE-17-3.9B
UDZ-TE-17-3.9B
UDZ-TE-17-3.9B
UDZ-TE-17-3.9B
0
:CHIP
0
:CHIP
0
:CHIP
0
:CHIP
0
:CHIP
0
:CHIP
0
:CHIP
0
:CHIP
0
:CHIP
0
:CHIP
µPC1093J-T
47 25V
47 25V
47 25V
47 25V
220 10V
220 10V
220 10V
220 10V
47 25V
1SS119
1SS119
1SS119
1SS119
1SS355
1SS355
1SS355
1SS355
1.1UH
PQ05TZ1U
PQ05TZ1U
PQ05TZ1U
PQ05TZ1U
2SA1309A
2SA1309A
2SA1309A
2SA1309A
DTA114TUA
DTC124EUA
0.56 1W :RS
1k
:CHIP
0.56 1W :RS
1k
:CHIP
0.56 1W :RS
1k
:CHIP
0.56 1W :RS
1k
:CHIP
10k
:CHIP
10k
:CHIP
10k
:CHIP
22 2W :RS
3.3k :RN-CP
10k
:RN-CP
1k
:CHIP
1k
:CHIP
DTA124EUA
5.6k
:CHIP
UDZ-TE-17-5.6B
UDZ-TE-17-5.6B
1SS355
2.2M :CHIP
47
:CHIP
47
:CHIP
47
:CHIP
47
:CHIP
47
:CHIP
47
:CHIP
47
:CHIP
47
:CHIP
0.22 16V
B:CHIP
0
:CHIP
0
:CHIP
0
:CHIP
0
:CHIP
47p 1000p 12p
5.6µH
0.22 16V
B:CHIP
PST600J-T
RESET
TUSB2040N USB CONT
0.1 25V
B:CHIP
47
25V
0.1 25V
B:CHIP
PQ05DZ5U
5V REG
5V REG
5V REG
5V REG
5V REG
UDZ-TE-17-5.6B
10UH
4P WHT
9P RED
:S-MICRO
5V
5V
341
2
D+ D-
V BUS1
V BUS1
D+1
D-1
V BUS2
D+2
D-2
V BUS3
D+3
D-3
GND3
D+4
D-4
V BUS4
GND
GND1
GND2
GND4
GND
12
34
UP STREAM
GND
UPSTREAM+5V
USB_TX USB_RX
STBY+5V
D GND
STBY+5V
RXD TXD
D GND
7V 7V
DP0
DM0
GND
DP1
DM1
BUSPOWER
GANGED
DP2
DM2
VCC
DP3 DM3
DP4
DM4
RST
OVR_4
POW_4
OSCOFF
XTAL1
GND
POW_3
OVR_3
VCC
POW_2OVR_2
OVR_1
UP_DP UP_DM
DWN_DP_1 DWN_DM_1
DWN_DM_2
DWN_DP_2
DWN_DP_3
DWN_DM_3
DWN_DP_4
DWN_DM_4
VCC
POW_1
VCC OUT
GND
XTAL2
OVR-4
POW-4
POW-3
OVR-3
POW-2
OVR-2
POW-1
OVR-1
US
(USB CONTROL)
TO D BOARD
CN501
B-SS3467<J..>-US.
5-11 5-12
(2) Schematic Diagram of A Board
123456
7
8 9 10 11 12 13
14
A
B
C
D
E
F
G
H
I
+200V
+80V
+12V
+15V
+12V
+5V
3.3
3.9
0.6
3.0
3.0
11.3
5.6
5.6
5.0
6.3
0
2.2
2.2
2.0
1.8
1.8
1.5
1.5
7.7
4.0
4.7
3.1
3.1
3.1
0.7
7.6
1.5
1.7
1.7
1.7
0
2.2
1.5
1.5
2.2
2.2
2.2
1.5
2.2
1.6
57.0
57.0
1.5
2.2
9.6
2.2
1.5
57.0
1
243 56
107.4
0.6
106.8
106.8
6.0
5.4
5.4
6.0
100.6
0.7
6.0
103.6
0.6
5.4
8.0
8.0
8.5
8.6
14.5
3.1
7.2
6.3
5.04.3
6.2
7
8
9
7.6
530.0
83.0
83.0
83.0
100.0100.0
103.0
103.0
531.0
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1516171819202122232425262728
1 2
1 2 3 4 5 6 7
891011121314
5
10
9
8
7
6
4
3
1
11
13
G1
H1
H2
G1
KR
KG
KB
G2
G1
GND
FC
FV
F
GND
1 2 3 4 5 6 7 8 9 10
11121314151617181920
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1
1
234
5
1
2
3
4
5
6
7
8
1 2 3 4 5 6 7
IO
G
1 2 3 4 5 6 7
891011121314
123456789101112131415161718
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
1
2
3
4
5
6
7
1
2
3
4
5
6
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1234567891011121314
15 16 17 18 19 20 21 22 23 24 25 26 27 28
1
2
3
4
5
6
7
8
9
10
11
C411
C403
D305
C445
R480
C454
R117
R458
C404
C424
C433
R451
D111
D211
D311
R121
R221
R321
R440
R408
R417
R405
R404
R487
R103
R203
R303
L404
C207
J401
C425
R307
R332
R424
R419 R420
R206
R306
CN412
C469
R421
FB415
FB403
FB416
FB401
R340
R230
R329
Q408
FB409
FB410
R1406
R1424
C408
R496
C352
C252
C152
FB203
FB303
FB103R161
R261
R361
R363
R263
R163
C401
IC408
C320
C220
C120FB102
FB202
FB302
R301
R201
R101
D101
D201
D301
R240
R140
C462
C458
R447C447
R465 R467
R481
Q406
Q404
Q405
C402
R446
R466
IC402
C446R416
R418
C449
R415
D401
FB414
FB411
L401 PS402
D408
R472R471
R473
Q403
R482
D418
D416
R469
R450 R410 R409
C459
C460
IC401
D409
R454
R1421
IC410(4/4)
C487
C485
R1423
R1418
C477
R1403 R1404
R1402
R1415
R1410
R497 C484
R1416
R1417
R1425
C478
C486
R1413
Q415
Q416
IC410(3/4)
C480R1407
IC410(1/4)
C483
IC410(2/4)
C479
R1412
R453
R1405
R1401
R1422
R439
L403
C435
C415R429
R431
R428
R430
C407
C418
C406
IC404
D206
D106
D306
R436
C420
R432
C442
Q401
Q402
D406
R435
R434
IC403
C410
R425
C413
R142
R141
C414
R341
R486
R342
R242
C409
R241
C330
C230
C130
C104
C204
C224
C124
R124
C443
C324
C422
R309 R324
C304
C303
C203
C103
C421
R209 R224
R109
R437
Q303
R130R131 R231
C211
R331 R330
C311
R343
R243R143
C111
C310
R325
R326
R327
R305
R205
R229
R476
R227
R225
R226
C210
R105
Q203
Q103
R455
R129
C110
R127
R126
R125
C405
C448
IC407
D303
R334
C309
C209
R234
C109
R134
D204
D304
D104D103
D203
R106
C453
R207
R132
R107
R232
FB101
FB301
FB201
SG301
R108
SG101
SG201
SG402
C438
FB420
FB417
R208
R308
CN405
R461
Q301
R371
R314
R272
R216
R372
R316
R315
R317
C307
Q201
Q101
R116
R172
R114
R171
R113
C107
R115
R213 R313
D205
D105
D417
Q411
L405
C467
R488
R457
R460
R462
R464
R463
C468
C437 R456
Q410
D413
D414
IC405
R312
R304R204
R212 R211
R210
R218
R318
C206
C306
R112
R104
R118
R110
C430
C106
R111
R449 C452
R448
R311
C429
R310
C472
R494
R495
R492
R493C470C471
C436
IC406
CN406
C444C439C466
D415
PS401
FB408
FB413 FB402
FB405
C440
CN402
CN404
CN403
CN401
FB406
C426
Q418
R1408
C481
Q102
R215
R217
C432
Q202
R214
R271
Q302
R401
Q409
R459
IC409
C434
SG401
C482
C427
C455
D107
D207
D307
D407
2.2 250V
0.01
B:CHIP
47
25V
0.1 25V
B:CHIP
47
25V
22p
CH:CHIP
47
25V
0.01
B:CHIP
10p
CH:CHIP
1PS226-115
PROT
1PS226-115
PROT
1SS376
1PS226-115
PROT
100µH
1k
:CHIP
1k
:CHIP
22k
:CHIP
1k
:CHIP
22
:CHIP
22k :CHIP
1k
:CHIP
22
:CHIP
2.2M
:CHIP
22k
:CHIP
2.2M
:CHIP
100 :CHIP
2.2k :CHIP
22k
:CHIP
1k :CHIP
1k :CHIP 1k :CHIP
1k
:CHIP
22k
:CHIP
2.2M :CHIP
10k 1/2W :RC
4.7k
:CHIP
100 :CHIP
1k :CHIP
2SC2412K
2.2k :CHIP
470k
:CHIP
4.7
0
0
0 0
0
0
150
:RN-CP
10
:CHIP
47
:CHIP
0.22 16V B:CHIP
100 :CHIP
100 16V
100 16V
100 16V
0
:CHIP
0
:CHIP
0
:CHIP82:RN
82 :RN
82 :RN
47
:CHIP
47
:CHIP
47
:CHIP
0.01
B:CHIP
M52755FP
INPUT SELECT
100 16V
100 16V
100 16V0:CHIP
0
:CHIP
0
:CHIP
82 :RN
82 :RN
82 :RN
1PS226-115
PROT
1PS226-115
PROT
1PS226-115
PROT
47
:CHIP
47
:CHIP
0.01
B:CHIP0.1
25V
B:CHIP
47k :CHIP4725V
100k :CHIP1k:CHIP
1.5k
:CHIP
2SB709A G SYNC
2SB709A G SYNC
2SC2412K
G SYNC
0.01
B:CHIP
4.7k
:CHIP
1k
:CHIP
MC74HC02AF-T2
NOR
0.01
B:CHIP
2.2k :CHIP
470 :CHIP
22p
CH:CHIP
2.2k :CHIP
RD5.1ES-B2
0
0
100µH 1A
UDZ-TE-17-4.7B
100k :CHIP1M:CHIP
100k :CHIP
2SB709A
100k
:CHIP
1SS376
MA111-TX
22k
:CHIP
47k
:CHIP
22k :CHIP1k:CHIP
0.01
B:CHIP
47 25V
MB88346BP
D/A CONVERETR
1PS226-115
1.5k :CHIP
4.7k :CHIP
LM324M-FL63
KT DRIVE
0.1 25V
B:CHIP
0.1 25V
B:CHIP 470
:CHIP
220k :CHIP
0.22 16V
B:CHIP
220k
:CHIP
4.7k
:CHIP
18k
:RN-CP
22k
:CHIP
470k :CHIP
10k 0.01
B:CHIP
0
:CHIP
470
:CHIP
220k :CHIP
1 16V F:CHIP
0.1 25V
B:CHIP
220
:CHIP
2SB709A
KT DRIVE RESET
2SC2412K
KT DRIVE RESET
LM324M-FL63
KT DRIVE
0.22 16V
B:CHIP
4.7k
:CHIP
LM324M-FL63
KT DRIVE
0.01
B:CHIP
LM324M-FL63
KT DRIVE
1 16V F:CHIP
220k :CHIP
0
:CHIP
100k
:CHIP
4.7k :CHIP
1k
:CHIP
1k
:CHIP
100µH :CHIP
47
25V
0.1 25V
B:CHIP
1M
:CHIP 5.6k
:CHIP
1.5k :RN-CP
1.5k :CHIP
0.47 16V B:CHIP
47p
CH:CHIP
22p
CH:CHIP
LSC4380DW2R2
OSD
MA111
MA111
MA111
4.7k :CHIP
5p
CH:CHIP
1k
:CHIP
0.01
B:CHIP
DTC124EKA
INV
2SC2412K
VIDEO OUT
1SS119
4.7k :CHIP
100
:CHIP
LM1283
RGB-PRE-AMP
0.01
B:CHIP
100k :CHIP
0.01
B:CHIP
1M
:CHIP 22
:CHIP
0.1 25V
B:CHIP
22
:CHIP
1k
:CHIP1M
:CHIP
1M
:CHIP
0.1 25V
B:CHIP
22
:CHIP
0.22 25V
:CHIP
0.22 25V
:CHIP
0.22 25V
:CHIP
0.1 25V
B:CHIP
0.1 25V
B:CHIP
100p
CH:CHIP
220p
CH:CHIP
3.3k
:CHIP
470 16V :HT
100p
CH:CHIP
0.01 B:CHIP
390
:CHIP
3.9k
:CHIP
0.1 25V
B:CHIP
0.01 B:CHIP
0.01 B:CHIP
0.01 B:CHIP
0.01 B:CHIP
390
:CHIP
4.7k
:CHIP
390
:CHIP
1k
:CHIP
2SA1738 B BUFF
47
:RN-CP1k:CHIP1k:CHIP
10p
CH:CHIP
1k
:CHIP
100
:RN-CP
10p
CH:CHIP
1k
:CHIP
1k
:CHIP
1k
:CHIP
10p
CH:CHIP
0.1 25V
B:CHIP
390
:CHIP
390
:CHIP
390
:CHIP
10
:CHIP
10
:CHIP
10
:CHIP
470 :CHIP
390
:CHIP
390
:CHIP
390
:CHIP
0.1 25V
B:CHIP
10
:CHIP
2SA1738
G BUFF
2SA1738 R BUFF
2.2k
:CHIP
10
:CHIP
0.1 25V
B:CHIP
390
:CHIP
390
:CHIP
390
:CHIP
22
100V
0.1 25V
C488
0.47 25V
B:CHIP
FA4111
RGB-VIDEO-AMP
1SS376
0
:CHIP
0.47 250V :MPS
0.47 250V :MPS0:CHIP
0.47 250V :MPS0:CHIP
1SS376
1SS376
1SS3761SS376
1SS376
22
:CHIP
47 100V :HT
2.2M
:CHIP
2.2M
:CHIP
2.2M
:CHIP
2.2M
:CHIP
N2021ZL560
N2021ZL560
N2021ZL560
22 1/2W :RC
0.0047 2kV E
0
:CHIP
1.1UH
47 1/2W :RC
47 1/2W :RC
2P WHT :VH
2.2M 1W
:RN
2SC4015
B-CUTOFF-AMP
100k
:CHIP
100k
:CHIP
100k :CHIP
100k :CHIP
100k
:CHIP
100k
:CHIP
1k
:CHIP
1k
:CHIP
2.2 250V
2SC4015
G-CUTOFF-AMP
2SC4015
R-CUTOFF-AMP
100k :CHIP
100k :CHIP
100k :CHIP
100k :CHIP
2.2k :CHIP
2.2 250V
1k
:CHIP
2.2k :CHIP
2.2k
:CHIP
1SS376
1SS376
MA111
DTA144EKA
22µH
1000p
500V
B
15k
:CHIP
10k :CHIP
3.3k
:CHIP
56k
:CHIP
100k
:CHIP
10M :RN
470p 2kV
B
100 25V
3.3k
:CHIP
2SC5022-02
G2-AMP
1SS119
SW
RD3.3ES-T1B2
LM324M-FL63
RGB-CUTOFF-CONT
1M
:CHIP
1M
:CHIP
1M
:CHIP
1M
:CHIP
47k :CHIP
33k :CHIP
39k :CHIP
39k :CHIP
0.01
B:CHIP
0.01
B:CHIP
1M
:CHIP
1M
:CHIP39k
:CHIP
33k
:CHIP
0.01
B:CHIP
0.01
B:CHIP
47k :CHIP
4.7k :CHIP4725V
4.7k :CHIP
47k :CHIP
0.1 25V
B:CHIP
33k :CHIP
0.1 25V
B:CHIP
1k
:CHIP
1k
:CHIP
180
:RN-CP
820
:RN-CHIP4725V
47
25V
47 25V
TA78M12S
12V REG
7P
WHT-L
:S-MICRO
0.1 25V
B:CHIP
1000p
500V
B
1000p
500V
B
HSS83TD
1A
1.1UH
1.1UH
1.1UH
1.1UH
1000p 500V
B
11P
WHT-L
:S-MICRO
6P
WHT-L
:S-MICRO
7P
WHT-L
:S-MICRO
8P
WHT-L
:S-MICRO
1.1UH
100 16V
2SC2412K
100
:CHIP
0.22 :MPS
2SA10910
BUFF
1k
:CHIP
1k
:CHIP
10
250V
2SA10910
BUFF
100k
:CHIP
100k
:CHIP
2SA10910
BUFF
2.2k
:CHIP
2SB709A G2 CONT
100
:CHIP
SI-3050F
1000p 500V
B
0.1 25V
B:CHIP
0.22 25V
B:CHIP
0.22 25V
B:CHIP
1SS376
1SS376
1SS376
1SS376
R
G
B
+12V
R
G
B
G2
12V
12V
12V
5V
12V 12V
5V
5V
3
2
15
6
7
10
9
812
13
14
11
4
R.DRV
G.DRV
BRT
R.OSD
G.OSD
B.OSD
DMP_DATA
DMP_CLK
DAC_SEL
OSD_CONT
CONT
R_CUTOFF
G_CUTOFF
B_CUTOFF
B_CUTOFF
G_CUTOFF
R_CUTOFF
G2
DMP_DATA
DMP_CLK
CONT
R.DRV
G.DRV
B.DRV
OSD_CONT
B.DRV
B.OSD
G.OSD
R.OSD
OSD.BLK
OSD.BLK
DAC_SEL
OSD_SEL≠≠≠≠≠≠≠≠≠≠≠≠≠
BRT
OSD_SEL≠≠≠≠≠≠≠≠≠≠≠≠≠
DMP_DATA
DMP_CLK
G2
1KV
G
B.OSD
G.OSD
R.OSD
OSD BLK
B.IN
VCC
GND
G.IN
VCC
GDN
R.IN
V REF.
CONT
OSD CONT
B.DRV
G.DRV
R.DRV
BRT
B.S/H
B.OUT
VCC
GND
G.OUT
G.S/H
R.OUT
R.S/H
BLK
CLAMP
VSSA
VC0
RP
VDDA
HOSI
SCK
VSS
R
B
FBKG
VDD
VFLB
SS
HFLB
H.TONE/
PWMCK
NC
OUT - + + - OUT
OUT - + + - OUT
+15V
+80V
GND
GND
INPUT_SEL
AUTO S/C
GND
SYNC ON G
FC FV
(G2)
C BLOCK
VCC
B_2
VCC
NC
G_2
VCC
R_2
H_2
V_2
GND
B_1
GND
G_1
NC
GND
R_1
H_1
V_1
GND
VOUT
H_OUT
NC
VCC
G.SYNC
GND
R_OUT
VCC
GND
G_OUT
VCC
NC
NC
GND
B_OUT
VCC
SW
C BLK
CLAMP
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
DMP_DATA
DMP_CLK
S/C ENABLE
OSD_SEL DAC_SEL
GND
A02
A01
MOS1
CLK
LD
MISO
A012
A011
VccVDD
A10
A09
A08
A07
A06
A05
A04
A03
Vss
H BLK
1Y1A1B2Y2A
2B
4Y4B4A3Y3B
3A
V BLK
B.GND2
NC G.GND2 GREEN2 R.GND2
RED2
B.GND1
BLUE1 G.GND1 GREEN1 R.GND1
RED1
KR
GND
KG
GND
KB
GND
HEATER
GND
KR
GND
KG
GND
KB
GND
HEATER
GND
BLUE2
GND
G.OUT
G.E.P.
G.IN
VBB
GND
VBB
VCC
R.IN
R.E.P.
R.OUT
B.IN
B.E.P.
B.OUT
CN407
8P 8P
CN408
GND
V KEY
H LIN
KT_DRI
KT_DRI_RESET
GND
HEATER SW
HEATER
STBY+5V
200V
TO
CONNETCOR PANEL
TO
CONNETCOR PANEL
TO D BOARD
CN509
TO D BOARD
CN503
TO D BOARD CN505
TO D BOARD CN504
A
(VIDEO)
B-SS3467<J..>-A..-P1
0#
Schematic diagram
Ò
(us)(us)
(us)(us)
(us) board
Schematic diagrams
AA
AA
A boards l
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