Proview AY965 User manual

965
Service Manual

TABLE OF CONTENTS
SERVICE WARNING ··········································································· 1
A. IMPORTANT SAFETY INSTRUCTION ··········································· 1
B. SPECIFICATIONS ·········································································· 2
C. TIMING CHART ············································································· 3
D. CONTROL LOCATION ··································································· 5
E. CONDUCTION VIEW ····································································· 6
F. ADJUSTMENT PROCEDURE ························································· 8
G. TROUBLE SHOOTING HINTS ························································ 9
H. REPLACEMENT PARTS LIST ······················································· 13
I. BLOCK DIAGRAM ········································································18
J. SCHEMATIC DIAGRAM ······························································· 19

WARNING
To prevent from fire or shock hazard,do not expose monitor to any rain or any form of water.High voltage is
inside the monitor so please do not remove the back cover of the cabinet if you are not a qualified
monitor engineer.Contact the local dealer or the nearest Proview branch office if you need help.
A. IMPORTANT SAFETY INSTRUCTION
Prior to using this service manual,please ensure that you have carefully followed all the procedures outlined in
the user's manual for this product.
1. Read all of these instructions.
2. Save these instructions.
3. Follow all warnings and instructions a marked on the product.
4. Unplug this product from the wall outlet before cleaning.Do not use liquid cleaners or aerosol
cleaners, use a damp cloth for cleaning.
5. Do not use this product near water.
6. Do not place this product on an unstable cart,stand or tablle.The product may fall,causing serious
damage to the product.
7. Slots and openings in the cabinet and the back or bottom are provided for ventilation,to ensure
reliable operation of the product and to protect it from overheating,those openings must not be
blocked or covered.The openings should never be blocked by placing the product on a bed,sofa, rug,
or other similar surface.This product should not be placed in a built-in installation less proper
ventilation is provided.
8. This products should be operated from the type of power source indicated on the marketin label.
If you are not sure of the type of power available, consult your dealer or local power company
9. This product is equipped with a 3-wire grounding type plug,a plug having a third (grounding)
pin.This plug will only fit into a grounding-type power outlet.This is a safety feature,if you are
unable to insert the plug into the outlet,contact your electrician to replace your obsolete outlet.Do
not defeat the purpose of the grounding-type plug.
10. Do not allow anything to rest on the power cord.Do not locate this product where persons will walk
on the cord.
11. If an extension cord is used with this product,make sure that the total of the ampere ratings on the
product plugged into the extension cord to the waplugged into outlet does not exceed 15 ampere.
12. Never push objects of any kind into this product through cabinet slots as they may touch dangerous
voltage points or short out parts that could result in a risk of fire or electric shock.Never spill liquid
of any kind on the product.
13. Do not attempt to service this product yourself,as opening or removing covers may expose you to
dangerous voltage points or other risks.Refer all servicing to service personnel.
14. Unplug this product from the wall outlet and refer servicing to qualified service personnel under the
following conditions.
a. When the power cord or plug is damaged or frayed.
b. If liquid has been spilled into the product.
c. If the product has been exposed to rain or water.
d. If the product does not operate normally,when the operating instructions are followed.Adjust
only those controls that are covered by the operating instructions since improper adjustment of
other controls may result in damage and will often require extension work by a qualified
technician to restore the product to normal operation.
e. If the product has been dropped or the cabinet has been damaged.
f. If the product exhibits a distinct change in performance,indicating a need for service.

B. SPECIFICATIONS
1. Maximum Resolution 1280 x 1024 @ 75Hz
2. Recommend Resolution 1280 x 1024 @ 60Hz
3. Synchronization Range
Horizontal
Vertical
31 – 80 KHz
60 – 75 Hz
4. Active Display Area 376mm x 301mm
5. Dot Pitch 0.294 x 0.294 mm
6. Support display colors 16.7M
7. Contrast Ratio (Typical) 600 : 1
8. Luminance of White 250cd/m²
9. Bandwidth 135MHz
10. User Control 4 Key Switch
11. OSD Function Brightness, Conrast, H-Pos, V-Pos, H. Size, Phase, Color Select,
Auto, Reset, Language, OSD Adjust, Exit
12. View Angle
Horizontal
Vertical
85 , 85 Degrees
85 , 85 Degrees
13. Power Source 100 – 240 Vac, 60 / 50 Hz
14. Power Consumption (max.) 60W
15. Connection Type 15 Pin D Type
16. Input Signal
Video
Sync.
Analog R.G.B. , 0.7Vp-p / 75 Ohms
TTL level,positive or negative polarity
17. Color Temperature Cool (9300°K) / Warm (6500°K)
18. Dimension (WxHxD) 500x460x215mm
19. Monitor Weight 8.7Kg
20. Base Operation
Tilt
0°/ + 15°
21. Power Saving
ON
STAND BY
OFF
＜60W
＜5W
＜5W
22. Signal Connector Pin Assignment
Pin No. 1. Red 9. 5VDC
2. Green 10. Sync. Grou nd
3. Blue 11. Ground
4. Ground 12. SDA (For DDC)
5. Self Test 13. Horizontal Sync.
6. Red Ground 14. Vertical Sync.
7. Green Ground 15. SCL (For DDC)
8. Blue Ground
23. Audio signal 3.5Φstereo phone jack
2+2W 8ΩSpeaker

C.TIMING CHART
Video
Back porch Active display Front porch
Sync.
Sync-width
Total
Preset
Modes
VGA
720X400
VGA
640X480
VESA
640X480
VESA
640X480
VESA
800X600
VESA
800X600
VESA
800X600
Pixel clock
(
MHz
)
28.325 25.175 31.500 31.500 36.000 40.000 50.000
H-Frequency
(KHz) 31.472 31.469 37.861 37.500 35.156 37.879 48.077
H-Total (µs) 31.774 31.778 26.413 26.667 28.444 26.400 20.800
H-Active Display (µs) 25.419 25.422 20.317 20.317 22.222 20.000 16.000
H-Blanking (µs) 6.355 6.356 6.095 6.349 6.222 6.400 4.800
Front Porch (µs) 0.635 0.636 0.762 0.508 0.667 1.000 1.120
H-Sync-width (µs) 3.813 3.813 1.270 2.032 2.000 3.200 2.400
H-Back Porch (µs) 1.906 1.907 4.063 3.810 3.556 2.200 1.280
V-Frequency
(
Hz
)
70.1 59.94 72.81 75.0 56.25 60.3 72.2
V-Total
(ms) 14.267 16.683 13.735 13.333 17.778 16.579 13.853
V-Active Display (ms) 12.710 15.253 12.678 12.800 17.067 15.840 12.480
V-Blanking (ms) 1.557 1.430 1.057 0.533 0.711 0.739 1.373
V-Front Porch (ms) 0.413 0.318 0.238 0.027 0.028 0.026 0.770
V-Sync-width (ms) 0.064 0.064 0.079 0.080 0.057 0.106 0.125
V-Back Porch (ms) 1.080 1.049 0.740 0.427 0.626 0.607 0.478
H/V Sync. Polarity －＋－－－－－－＋＋＋＋＋＋
Interlace NONE NONE NONE NONE NONE NONE NONE

Preset
Modes
VESA
800X600
VESA
1024X768
VESA
1024X768
VESA
1024X768
VESA
1280X1024
VESA
1280X1024
Pixel clock (MHz) 49.500 65.000 75.000 78.750 108.00 135.00
H-Frequency (KHz) 46.875 48.363 56.476 60.023 63.981 97.976
H-Total (µs) 21.333 20.677 17.707 16.660 15.630 12.540
H-Active Display (µs) 16.162 15.754 13.563 13.003 11.852 9.481
H-Blanking (µs) 5.172 4.923 4.053 3.657 3.778 3.022
Front Porch (µs) 0.323 0.369 0.320 0.203 0.444 0.119
H-Sync-width (µs) 1.616 2.092 1.813 1.219 1.037 1.067
H-Back Porch (µs) 3.232 2.462 1.920 2.235 2.296 1.837
V-Frequency (Hz) 75.0 60.0 70.1 75.0 60.0 75.0
V-Total (ms) 13.333 16.666 14.272 13.328 16.661 13.329
V-Active Display (ms) 12.800 15.880 13.599 12.795 16.005 12.804
V-Blanking (ms) 0.533 0.786 0.673 0.533 0.656 0.525
V-Front Porch (ms) 0.021 0.062 0.053 0.017 0.016 0.013
V-Sync-width (ms) 0.064 0.124 0.106 0.050 0.047 0.038
V-Back Porch (ms) 0.448 0.600 0.513 0.466 0.594 0.475
H/V Sync. Polarity ＋＋－－－－＋＋＋＋＋＋
Interlace NONE NONE NONE NONE NONE NONE
D. CONTROL LOCATION
Font control panel

1. Menu Button 4. Power Button
2. Select Button 5. LED (Power Display)
3. Auto Button
Rear panel
1. VGA Signal Cable
2. Power jack
3. Line in jack

E. CONDUCTION VIEW
MAIN BOARD (Component Side)

MAIN BOARD (Solid Side)

F. ADJUSTMENT PROCEDURE
ITEM
P
rogram Menu.
﹟Test Meter
﹡Test Point
﹫Pattern Operation
Check
Value
A
B+
Check
﹟Digital Voltmeter
﹡CN7
﹫Crosshatch Pattern
(31.5KHz,640x480)
1. Plug power cable into the adapter, check adapter
power indicator light up green.
2. Make sure the voltage of the power plug (CN7)
on the main PCB to the value shown at right.
12.0V
±0.2V
B
Power Savin
g
Check
﹟Wattmeter
﹟PC or Pattern
generator
﹫Crosshatch Pattern
(31.5KHz,640x480)
1. Unplug the signal cable into the monitor.
2. Turn the power switch of the monitor ON.
3. Check monitor power indicator light up orange.
4. Make sure the wattmeter value shown at right.
5. OSD will be display “NO SIGNAL” Picture.
<2.5W
C
Into Factory
mode
﹟PC or Pattern
generator
﹫Crosshatch Pattern
(31.5KHz,640x480)
1. Hold ‹key,then turn the power switch of the
monitor OFF.
2. Hold ›key,then turn the power switch of the
monitor ON.
3. You can into factory adjustment mode.
D
Auto mode
Check
﹟PC or Pattern
generator
﹫Crosshatch Pattern
(1024x768/60Hz)
1. Press and relese the MENU knob to activate the
OSD menu.
2. Move the OSD to the AUTO function,press MENU
key auto adjuat display mode to its utmost
performance according to VGA setting.
3. In the event of the display image needs further
adjustment
E
White
Balance
Adjust
﹟PC or Pattern
generator
﹫White Pattern
(1024x768/60Hz)
1. Move the OSD to the COLOR mode (AUTO COLOR).
2. set color is 9300°Kusing the OSD,Check the value
shown at right.
Y= 220±0.1FL x= 0.283±0.01 y= 0.297±0.01
3. set color is 6500°Kusing the OSD,Check the value
shown at right.
Y= 220±0.1FL x= 0.313±0.01 y= 0.329±0.01
F
OSD
Language
Setting
﹟PC or Pattern
generator
1. Move the OSD to the LANGUAGE mode.
2. You can choose one of the eight language you need.

G. TROUBLE SHOOTING HINTS
NO NO
YES YES
YES YES
NO NO
High Voltage !
NO
YES
YES
NO NO
YES
No Display
( Black )
LED ON ?
Push the power
ON/OFF switch
LED Color
change ?
Check main
board
U10/Pin141
Hi / Lo under
push power
sw?
Back light
ON? To Step 2
Make sure the
connection of
Inverter is fine
+12V ?
Check the CN1/Pin1
of Inverter
Check
F1(Fuse) of inverter
B
Display ?
Nice Job !
A
To Step 2
Power
adapter ? Change
adapter

NO
YES
YES
NO
YES
NO
B
Hi / Lo under
push power
sw?
Change the
Inverter
Display ? Nice Job !
To Step 2
A
Check the
connection of
CN8 cable
Display ?
Nice Job !
Change the
main board
Change the
main board

NO
YES
NO
YES
YES
YES
YES
NO
NO
YES
Step 2
Check the main
board 12V ?
+5.0 V ? Check
U13,U14,R65
H/V input
Signal ?
Check the main
board U10 /
Pin 146 ?
Change
U11
Check
H/V Signal
Display ?
Nice Job !
Change
Signal Cable
Check
F1,D5
Check
U10

NO
YES
NO
YES
NO
YES
YES
NO
NO
YES
No display
(White)
Check the main
board 5V ?
+3.3V ?
H/V Input
Signal ?
Check the main
board U11/Pin14 ?
Change
U11
Check
H/V Signal
Display ?
Nice Job !
Change
Signal Cable
Check
U13,U14
Check
U1,U13
Check
3.3V Circuit

H. REPLACEMENT PARTS LIST
NO
Parts No. Description Part Location Q’ty
1 002-001-TCO9 TCO99 Statement 1
2 002-001-CEPOV-B CE Statement 1
3 002-L00-865A User Manual 1
4 003-101-TCO9 TCO99 Label for Carton 1
5 005-500-965C 965 Carton For PROVIEW Logo 1
6 153-001-TCO99 TCO99 Label for Panel 1
7 153-U00-0565M Back Label 1
8 153-U00-0565 Back Label 1
9 170-005-LCD5 PE Bag 1
10 170-000-0848C PE Bag 0.07mm 14*30.5cm 1
11 170-005-VM541 PE Bag 300*200mm 1
12 631-003-0004 Audio Cable 1650mm PC99 577C 1
13 003-002-0848-AM Carton Label 70*40mm 1
14 003-002-0848-A Carton Label 70*40mm 1
15 160-001-AY765 Polyfoam Stand ASM Top 1
16 160-002-AY765 Polyfoam Stand ASM Bottom 1
17 160-003-AY765 Polyfoam for Panel R 1
18 160-004-AY765 Polyfoam for Panel L 1
19 153-007-0765 Back Label (Audio) 1
20 002-G01-0567-A Warranty card 1
21 846-120-E0AL-A Adapter 60W 12V / 5A 1
22 631-003-A011-2C 3.5∮Audio Cable 180cm 1
23 153-001-TCO99 All Series TCO99 Label for Panel 1
24 170-005-LCD7 LCD PE Bag
25 705-590-950C CMO 19" LM190EN02-L01 LVDS 1
26 200-100-765C-B M/B For 765C REV:A 1
27 281-031-11004 RES 110ohm +-1% 1/10W 0603 SMD 1
28 281-031-20014 SMD R 2K 1% 0603 1
29 281-031-21504 SMD R0603 215ohm 1% 1
30 281-031-68014 SMD R 6.8K 0603 1% 1
31 281-035-0R04 RES 0ohm 5% 1/10W 0603 SMD 16
32 281-035-1014 RES 100ohm 5% 1/10W 0603 SMD 3
33 281-035-1024 RES 1K 5% 1/10W 0603 SMD 4
34 281-035-1034 RES 10K 5% 1/10W 0603 SMD 18
35 281-035-1044 RES 100K 5% 1/10W 0603 SMD 6
36 281-035-1054 RES 1M 5% 1/10W 0603 SMD 1
37 281-035-1814 RES 180ohm +-5% 1/10W 0603 SMD 1
38 281-035-2224 RES 2.2K 5% 1/10W 0603 SMD 1
39 281-035-2234 RES 22K 5% 1/10W 0603 SMD 4
40 281-035-3304 RES 33ohm 5% 1/10W 0603 SMD 19
41 281-035-3314 RES 330 5% 1/10W 0603 SMD 3
42 281-035-4724 RES 4.7K 5% 1/10W 0603 SMD 6

43 281-035-4734 RES 47K 5% 1/10W 0603 SMD 2
44 281-035-5114 RES 510 5% 1/10W 0603 SMD 2
45 281-035-7504 SMD R 75 ohm 0603 3
46 281-045-0R04 RES 0 ohm +-5% 1/8W 0805 SMD 5
47 281-075-1014 RES 100ohm 5% 1/4W 1206 SMD 1
48 282-103-2454 RES-NET 10Kohm 5% SMD 8P4R 1
49 282-330-2454 RES-NET 33ohm 5% SMD 8P4R 14
50 381-151-032554 SMD CC 150PF 25V NPO 0603 +-5% 1
51 381-220-032554 SMD CC 22pF 25V NPO 0603 14
52 381-221-032554 NPO 220PF/25V +-5% 0603 SMD 4
53 381-301-032554 SMD CC NPO 25V 300PF 5% 0603 1
54 382-103-032564 SMD CC 0.01uF/25V X7R 0603 +-10% 9
55 382-393-032564 SMD CC 0.039uF/25V X7R 0603 1
56 382-472-032564 Y5V 0.1u/25V +80%-20% 0603 3
57 385-104-032584 IC DC TO DC IC.AIC1578(SMD) 66
58 385-105-041684 Y5V 1uF/16V +80%-20% 0805 3
59 385-334-032584 Y5V 0.33u/25V +80%-20% 0603 2
60 481-LCC-0440 SOCKET 44PIN PLCC 1
61 506-0AI-CY33 AIC1117CY-33 3.3V 900mA SMD 1
62 506-0CS-5828 LVD (8bit 56pin)TSSOP 2
63 506-2AI-C1578 IC DC TO DC IC.AIC1578(SMD) 1
64 506-524-LC21 Memory IC 24LC21 SMD 1
65 506-5NM-24C16 24C16 SO8 Memory IC SMD 1
66 506-774-LCX14 74LCX SOIC14 HI Speed TTL SMD 1
67 506-800-358D LM358D SO8 OP AMP IC 1
68 506-A00-2257-S IC PT2257-S 1
69 506-RXX-7809 SMD TO263 78T09A/UTC 1
70 506-SMA-SCOTVP2 MRT Scaler IC MASCOTVP2 1
71 506-XAT-C1084 Adj. Regulator ATC1084CM TO263 1
72 518-02N-3904 NPN 2N3904S(SMD) 5
73 518-1CE-9435 MOSFET CE9435A S08 2
74 528-2BA-T54C SMD Diode BAT54C SOT23 1
75 528-ASZ-5248B SMD Zener 18V PEC MMSZ5248B 1
76 528-R1N-4148 Diode 1N4148 SOT-34 SMD 1
77 529-350-09R1 Zener Diode 9.1V 1
78 558-352-5000 SMD Fuse 1206 24V 5A 1
79 630-030-B000 FTC-W30P+1.25mm 1
80 780-103-3000 SMD Bead SBK160808300Y0603 30Ω8
81 780-103-3000B FBM-10-160808-300T/KTNG Core 3
82 780-104-6010 FB 0805/600ohm 100mHZ 6
83 780-107-121K50 Bead 120ohm 1206 5A FBM-11 5
84 780-112-8000 SMD Bead 6A 80ohm 1812 1
85 281-035-1224 RES 1.2K 5% 1/10W 0603 SMD 1
86 381-681-032554 SMD CC 680PF25V NPO 0603 +-5% 1

87 506-XXP-2781 IC P2781/Pules Core SOIC-8 1
88 381-682-032564 SMD CAP 6800PF 25V NPO 0603 1
89 281-035-2204 RES 22ohm 5% 1/10W 0603 SMD 1
90 003-H03-ALL9 All ICT OK Label 8*8MM(White) 1
91 851-00M-AY765-S2 MRT VP2 M/B FPR 765 DIP For EMI 1
92 120-001-M780 LCD BM780IC 296Pin 1
93 210-330-0256 R-CF. 33 ohm 1/2W +-5% 1
94 531-110-49US 11.0592MHZ HC 49US Crystal 1
95 531-120-49US 12MHZ HC 49US CRYSTAL 30PPM 1
96 630-002-1008 Base 2pin JWT A2001 PITCH=2mm 2
97 630-008-C001 JST 1.5mm Header ZR S8B-ZR 1
98 745-330-2072 Choke 5A 33uH 20% 1
99 409-001-0201 DC Power Jack 1
100409-005-1101 Phone Jack SCJ-374R5*2 1
101
630-006-1008 JWT A2001 PITCH 2.00mm 1
102630-006-1009 Base 6P 1
103630-015-1001 HI DEN R/A 15PIN 1
104200-K01-AU01 Phone Jack Board 1
105151-001-C7Y30 Rear Cabinet 532C Audio 1
106121-005-AY765-A Audio Brackey 1
107123-005-AY765 Shield Cover T=0.3mm 1
108100-006-3062 Screw R3*6mm TP+ISO 6
109100-008-3012 Screw R3*8mm TP1. 2
110
107-008-3032 B M3xL8 4
111 107-008-3073 B 3*8 TP4 2
112 151-A00-C8AS4 Glass 877C 1
113
154-016-AY565-A Cover OSD Knob 532C 1
114
154-012-AY565 OSD Knob 5326 ABS HB 1
115
154-03R-Y8AS4-A Decoration Net R 1
116
154-03L-Y8AS4-A
Decoration Net L 1
117
154-002-AY565-A
Knob OSD D4 AV/TV 1
118
154-007-AY566 R/C Tuner Module Cover 532C 1
119
610-151-15TM-2 Signal cable 1.5M UL20276 White Color 1
120600-151-0400 Power cord,150cm, Black Color
121
151-707-AY565 Stand Front Cover 5326 H 1
122110-3R0-20644 Screw M3*H6*Φ5.0mm 2
123110-3R0-20641 Screw 4.6*4 M3.0mm 1
124151-710-AY765 Stand Base 532C 1
125151-711-AY765 Stand Base Cover 532C 1
126151-704-AY765 AY765 Stand Base Cover 1
127151-717-AY565 Stand Front Cover (532C) 1
128151-718-AY565 Stand Rear Cover (532C) 1
129154-015-AY565 Cover Code 532C 1
130101-005-3033 Screw M3*5 10

131
106-010-3073 Screw M3*10 TP4 5
132107-006-3032 LT380M B M3xL6 3
133108-S10-4032 B/WS M4*10 ISO 4
134111-014-0200 Rubber Washer 20*7*2.5 4
135121-002-AY565 Bracket Rotate T:3 1
136121-003-AY565 Bracket Rotate SPCC T:3mm 1
137123-004-AY765 Base Cover SECC T=3.0mm 1
138126-014-AY765 AY765 Hinge T=1.5 1
139003-H01-LCD LCD CPU Label 15mmx15mm 1
140104-006-3032 Screw R/W3*6mm ISO. 79203061 1
141
105-008-3012 Screw T3*8mm TP1 5
142105-010-3013 T 3*10 TP1 2
143107-010-3073 B 3*10 TP4 10
144103-006-3033A Screw F3*6 2
145123-004-AY865A-D LCD Frame LG/SANYO 1
146121-001-AY865-A Rear Bracket AV/TV SECC 1
147126-016-ALP9 Aluminum foil L300*W30mm 2
148126-030-ALP7 Aluminum foil W30*L900mm 2
149126-030-ALP1 Aluminum foil 80*16mm 2
150126-030-ALP3 Aluminum foil 120*30mm 4
151
126-020-ALP2 Aluminum foil L300*W20mm 2
152131-030-2120 D –sub screw 2
153506-1SM-89516 SYNCMOS SM89516C25J 44Pin PLCC 1
154631-006-7013C SIRE HARDNESS 6PIN 2.0 190mm+ Core
1
155631-006-7014-T AY865 100mm 2.0 24AWG 1
156631-008-G005-WA AY765 260mm Core+Braid & GND 1
157650-003-0081 Cable Tie ALT-0.85S 1
158650-004-1231 PRO98 Cable Tie 4.0*123mm 1
159824-003-AY765L Speaker Box 20*40 2W 8ohm.(L) 1
160824-003-AY765R Speaker Box 20*40 2W 8ohm.(R) 1
161
760-300-0026 LCD Ferrite Core K5A 16*5*9mm 2
162831-B10-0300 Conductor pad 10*20mm 3
163831-B15-0300 Conductor pad L20*W15*H15mm 7
164831-B105-0306 Conductor pad L20*W10*H5mm 1
165200-701-AY565 MAG AY565 Key Board 1
166401-170-0200 Tact Switch HOR (H=5mm) 5
167520-005-5302 LT5302 23 DIP 1
168630-008-C001 JST 1.5mm Header ZR 1
169232-R01-505T DIP WR-C-5W 0.010ohm 5% 1
170330-100-16275 EC 10uF 16V H7mm 10
171
330-100-25275 EC. 10uF/25V Elec.radial 5*7 1
172330-101-16275 EC.100uF/16V Elec.radial 6*7 5
173330-102-06205 MINI EC 1000uF/6.3V TP SK 1
174330-220-16275 EC. 22uF/16V Elec.radial 5*11 2

175330-220-25275 E.CAP 22UF/25V 6X7mm 105C 2
176330-470-16275 EC. 47uF/16V Elec.radial 5*7 3
177330-471-16205 E.CAP 470UF/16V +-20% 105C 9
178504-000-MCP101 Reset IC MCP101-450HI/TO TO92 1
179504-A00-8227 Audio AMT IC TA8227P/UTC 1
180520-007-L431 Diode TL431CLP TC92 1
181
522-030-B340-T SCHTTKY SB340 T 1