Sanyo DS25520 Schematic

SANYSANY

SANY

SANYSANY

Model DS25520 (Chassis 25520-00/01)Model DS25520 (Chassis 25520-00/01)

Model DS25520 (Chassis 25520-00/01)

Model DS25520 (Chassis 25520-00/01)Model DS25520 (Chassis 25520-00/01)

Model DS25520 (Chassis 25520-01)

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SET 4737 SET 4737

SET 4737

SET 4737 SET 4737

TUNER INFORMATION

TUNER TUNER

TUNER

TUNER TUNER

PinPin

(1) AGC 2.3V 2.4V 2.8V (3) EN 0V 0V 0V (4) SCL 4.2V 4.2V 4.2V (5) SDA 4.2V 4.2V 4.2V (6) MB 5.0V 5.0V 5.0V (7) PB 5.0V 5.0V 5.0V (9) TB 33.6V 33.6V 33.6V (11) IF 0V 0V 0V

NOTE: VHF Low Band voltages taken on channel 2.

VHF LoVHF Lo

VHF Lo

VHF LoVHF Lo

VHF High Band voltages taken on channel 7. UHF Band voltages taken on channel 14.

OLOL

w Bandw Band

w Band

w Bandw Band

Test equipment listed by participating manufacturer illustrates typical or equivalent equipment used by Sams engineers to obtain measurements. This equipment is compatible with most types used by field service technicians.

EquipmentEquipment

Equipment

EquipmentEquipment

Oscilloscope SC3100 Generators

RGB CM2125 Multiburst Signal VG91 Color Bar VG91

TV Stereo VG91 Digital VOM SC3100 Frequency Meter SC3100 Hi-Voltage Probe HP200 Accessory Probes TP212

GE CHARGE CHAR

GE CHAR

OLOL

GE CHARGE CHAR

VHF High BandVHF High Band

VHF High Band

VHF High BandVHF High Band

UHF BandUHF Band

UHF Band

UHF BandUHF Band

TEST EQTEST EQ

TEST EQ

TEST EQTEST EQ

Sencore No.Sencore No.

Sencore No.

Sencore No.Sencore No.

TUNER TUNER

TUNER

TUNER TUNER

TERMINAL GUIDETERMINAL GUIDE

TERMINAL GUIDE

TERMINAL GUIDETERMINAL GUIDE

(4)

(6)

UIPMENTUIPMENT

UIPMENT

UIPMENTUIPMENT

EquipmentEquipment

Equipment

EquipmentEquipment

Isolation Transformer PR570 Capacitance Analyzer LC102 CRT Analyzer CR7000 AC Leakage Tester PR570 Inductance Analyzer LC102 Flyback Yoke Tester TVA92 Field Strength Meter SL753 Transistor Tester TF46 Horizontal Analyzer HA-2500 Video Analyzer VG91, TVA92

Sencore No.Sencore No.

Sencore No.

Sencore No.Sencore No.

(1)

(3)

(5)

(7)

(9)

(11)

SCHEMASCHEMA

SCHEMA

SCHEMASCHEMA

A1901 A33 C001 A5 C002 B5 C003 A5 C004 B5 C006 B7 C010 B7 C011 A7 C012 C5 C015 B6 C101 E32 C103 B40 C106 C9 C131 B11 C133 B11 C134 B11 C137 A11 C141 C9 C142 B11 C143 B9 C146 E32 C147 E32 C151 B10 C153 B10 C161 B9 C211 B17 C212 C18 C221 A18 C252 B19 C253 C19 C256 B19 C257 D32 C258 D32 C272 C19 C274 C19 C284 B19 C285 B19 C401 E9 C402 E9 C403 D9 C404 E12 C405 D9 C406 E13 C407 E13 C408 E13 C411 E15 C416 E16 C417 E16 C421 D11 C427 D11 C441 C18 C471 E27 C473 E15 C482 E27 C484 E11 C487 E28 C489 D31 C493 D19 C497 E31 C502 D14 C503 D13 C504 D13 C505 D11 C506 D13 C508 C13 C509 D11 C511 D15 C516 D14 C601 A25 C603 A27

TIC COMPONENT LOCATIC COMPONENT LOCA

TIC COMPONENT LOCA

TIC COMPONENT LOCATIC COMPONENT LOCA

C604 A27 C606 B26 C608 B29 C609 A28 C612 C26 C613 C27 C614 D26 C625 A30 C626 B30 C628 A32 C629 B32 C631 A26 C632 B28 C634 D29 C683 C30 C689 B31 C693 D30 C701 B22 C711 C22 C721 A23 C742 D24 C801 E32 C806 E31 C809 C37 C810 D37 C811 A36 C822 E32 C829 C35 C835 B35 C841 A20 C842 A20 C843 A19 C853 C34 C854 C35 C856 E37 C857 E37 C858 C36 C862 C36 C1001 B13 C1002 A13 C1051 A15 C1052 B15 C1059 A15 C1071 D31 C1080 D32 C1081 D32 C1902 E31 C3401 D2 C3404 A3 C3406 D4 C3407 D3 C3408 D2 C3411 A2 C3412 D2 C3413 D2 C3414 D32 C3416 A2 C3417 D2 C3418 B3 C3421 D2 C3422 E2 C3423 C2 C3424 D3 C3426 C2 C3427 E2 C3431 E2 C3432 C2 C3433 E2 C3434 E2 C3435 C3

TION GUIDETION GUIDE

TION GUIDE

TION GUIDETION GUIDE

C3436 B2 C3437 C3 C3439 D3 C3441 B1 C3442 A1 C3447 C1 C3448 B1 D001 B6 D101 B39 D351 E10 D408 A32 D421 D11 D422 E11 D428 B34 D429 B34 D471 E27 D481 E27 D482 E11 D483 E26 D486 D31 D487 D19 D490 E31 D501 D14 D502 D15 D503 E28 D601 A27 D602 A27 D603 A27 D604 A27 D611 C28 D612 B26 D613 C27 D614 C27 D624 B29 D625 A30 D627 D30 D629 B30 D680 C31 D683 B32 D693 D29 D801 B35 D834 C34 D836 C34 D843 C35 D1001 B13 D1002 A13 D1051 A15 D1052 B15 D1059 A15 D1901 E32 D1902 B39 F601 A25 IC001 A6 IC101 A11 IC101 B11 IC101 B19 IC101 D10 IC501 D14 IC601 D26 IC681 E30 IC801 B36 IC802 D34 IC1081 A14 IC1081 A16 IC1081 B16 IC3401 A2 K1001 B1 K1001 B13 K1001 C4 K1001 C4

K1011 A1 K1011 A13 K1051 A14 L164 B13 L401 E14 L404 E12 L602 C28 L611 C28 L612 C28 L623 B29 L625 A29 L801 E31 L811 D37 L812 C37 L821 E31 L851 E31 L901 B26 L902 D16 L1901 E31 LF601 A25 PS601 A26 Q001 B5 Q005 B6 Q135 A12 Q202 B13 Q208 C33 Q401 E12 Q402 E14 Q486 D31 Q490 E31 Q601 B28 Q611 B27 Q612 C27 Q613 C27 Q627 B31 Q635 D29 Q681 C31 Q693 D29 Q695 D29 Q701 B23 Q711 C23 Q721 A23 Q831 A35 Q901 B24 Q1071 A17 R001 A4 R002 B4 R003 A4 R004 B4 R005 C6 R006 B6 R013 B5 R106 B39 R107 B39 R131 A11 R133 B11 R137 A12 R142 C10 R143 B9 R151 C10 R161 B10 R162 B9 R163 B12 R164 B13 R166 B12 R167 B12 R201 B13 R208 C34 R209 C33 R212 C18

R251 C19 R252 C19 R272 B19 R273 C19 R274 C19 R276 C19 R281 D10 R284 B19 R287 B21 R288 B21 R289 B21 R321 A20 R353 E10 R400 D12 R401 E9 R402 E9 R404 E12 R405 D9 R406 E13 R407 E13 R411 E14 R416 E14 R421 E11 R422 E11 R423 D11 R426 D11 R428 B34 R430 E12 R441 C18 R442 C18 R443 C10 R444 C11 R449 D9 R471 E26 R472 B6 R481 E27 R482 E11 R483 E26 R485 D19 R486 D30 R487 D30 R488 E31 R489 D30 R491 D19 R492 D19 R493 D19 R494 D19 R495 D31 R497 A24 R499 E31 R503 D12 R504 D13 R505 D13 R506 D13 R507 D13 R508 D13 R509 D13 R511 D15 R513 D15 R517 D14 R518 D14 R601 A26 R602 B26 R603 A28 R604 B29 R606 B27 R607 C27 R608 C27 R609 C27 R611 C28

R612 B28 R613 D28 R614 C27 R615 D28 R616 C27 R617 D27 R618 C26 R619 D26 R627 B31 R628 C31 R629 C30 R630 A31 R631 D29 R632 D29 R634 D29 R683 C30 R691 B30 R692 D30 R693 D29 R694 D29 R695 D29 R701 B23 R703 B22 R704 B22 R706 B23 R707 B23 R711 C23 R713 C22 R714 C22 R716 C23 R717 C23 R721 B23 R723 A22 R724 A22 R726 A23 R727 A23 R803 B11 R804 B11 R806 D37 R807 D35 R808 D35 R809 C37 R810 B36 R813 A35 R814 A35 R816 A34 R823 E35 R829 E36 R831 C35 R833 C34 R835 B35 R842 B38 R843 C38 R844 B38 R846 B37 R847 B37 R848 C37 R849 B37 R851 E37 R852 B35 R853 C34 R854 C35 R856 D38 R857 C38 R858 A37 R862 C35 R864 C35 R881 D37 R882 C37 R883 E37

R884 E37 R886 E37 R1001 B13 R1002 A13 R1003 A13 R1004 A13 R1006 B13 R1007 B13 R1051 A15 R1052 B14 R1053 A15 R1054 A15 R1059 A15 R1071 A17 R1073 A16 R1081 B16 R1082 B14 R1083 B15 R1084 B15 R1901 B34 R1902 B34 R1903 B33 R1904 B33 R1905 B33 R1906 B33 R1907 B33 R1909 A35 R1910 B34 R3401 C2 R3402 C2 R3406 D3 R3407 D3 R3411 E2 R3421 D2 R3422 E2 R3426 E2 R3432 C3 R3433 D3 R3434 C4 R3435 C3 R3436 C4 R3437 D3 R3441 B1 R3442 B1 R3443 A1 R3444 A1 R3445 C1 R3446 C1 R3447 B1 R3448 B1 RL601 A26 RL601 B32 SP901 A8 SP902 B8 SW1901 B33 SW1902 B33 SW1903 B33 SW1904 B33 SW1905 B33 SW1906 C33 T151 A10 T401 E13 T402 D17 T402 E25 T601 A29 W601 A25 X141 B9 X161 B13 X251 B18 X801 B35

SET 4737 PSET 4737 P

SET 4737 P

SET 4737 PSET 4737 P

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MISCELLANEOUS ADJUSTMENTS

B+ CHECKB+ CHECK

B+ CHECK

B+ CHECKB+ CHECK

Connect a digital DC voltmeter to the cathode of D625. Set brightness and picture to minimum. With AC line set to 120VAC, B+ should read 130V ±2.0V.

HIGH HIGH

OLOL

HIGH

HIGH HIGH

Tune in a picture. Set customer controls to minimum. Connect a high voltage probe to CRT anode. High voltage should measure 26kV to 28kV.

ENTERING SERENTERING SER

ENTERING SER

ENTERING SERENTERING SER

Disconnect the AC power cord. While pressing the menu button on the front of the set, connect the AC power cord. Use the channel up and down buttons to select the service number. Use volume up and down buttons to change the value. Press the menu button to exit the service mode.

HORIZONTHORIZONT

HORIZONT

HORIZONTHORIZONT

Tune in a crosshatch pattern. Enter the service mode and select service item number 47 EWD. Adjust for the proper horizontal width.

HORIZONTHORIZONT

HORIZONT

HORIZONTHORIZONT

Tune in a crosshatch pattern. Enter the service mode and select service item number 03 HP. Adjust for the best horizontal centering.

RF ARF A

GC DELAGC DELA

RF A

GC DELA

RF ARF A

GC DELAGC DELA

Tune in a picture. Enter the service mode and select service number 42 RAD. Adjust where no snow (noise) appears in picture.

VERVER

TICAL SIZETICAL SIZE

VER

TICAL SIZE

VERVER

TICAL SIZETICAL SIZE

Tune in a crosshatch pattern. Enter the service mode and select service item number 04 VS. Adjust for proper vertical size and best vertical linearity.

VERVER

TICAL CENTERINGTICAL CENTERING

VER

TICAL CENTERING

VERVER

TICAL CENTERINGTICAL CENTERING

Tune in a crosshatch pattern. Check that the pattern is centered. If too low, replace resistor R513 1000 ohms 1/2W with a 470 ohms 1W. If too high, remove resistor R513 1000 ohms 1/2W.

VCOVCO

VCO

VCOVCO

VCO must be adjusted after IC101, IC802, or T151 is replaced. Tune in a picture. Connect positive lead of a digital voltmeter to pin 58 of IC101 and the negative lead to TE7. Adjust T151 to obtain a reading of 3.6V ± 0.2V.

VIDEO LEVELVIDEO LEVEL

VIDEO LEVEL

VIDEO LEVELVIDEO LEVEL

Tune in a color bar pattern. Set picture and brightness to normal. Connect an oscilloscope to the emitter of Q202, and the negative lead to ground. Enter the service mode and select service number 46 VL. Adjust for 1.0Vp-p ±0.1Vp-p waveform on the oscilloscope.

GRAGRA

Y SCALEY SCALE

GRA

Y SCALE

GRAGRA

Y SCALEY SCALE

Tune in an active channel. Enter the service mode. Set the value of service numbers 15 RB, 16 GB, and 17 BB to 0. Set the value of service numbers 18 RD and 20 BD to 55. Set screen control, color, brightness, and picture to minimum. Adjust screen control, if necessary, to obtain a barely visible horizontal line. Select service number 73. Adjust the bias levels for a white line. Select service number 72 DRV and adjust the drive values for normal black and white picture at all brightness levels.

SUB BRIGHTNESSSUB BRIGHTNESS

SUB BRIGHTNESS

SUB BRIGHTNESSSUB BRIGHTNESS

Tune in a color bar pattern. Set picture and brightness to normal. Connect positive lead of a digital voltmeter to TP51 and the negative lead to TP50. Enter the service mode and select service number 53 SB. Adjust for 820mV ±10mV.

SUB COLOR,SUB COLOR,

SUB COLOR,

SUB COLOR,SUB COLOR,

Tune in a picture. Enter the service mode. Select service number 54 SCO. Adjust for normal color level. Select service number 55 STI. Adjust for normal flesh tones. Select service number 56 SSH. Adjust for contrast range.

OSD HORIZONTOSD HORIZONT

OSD HORIZONT

OSD HORIZONTOSD HORIZONT

Tune in a local channel. Enter the service mode and select service item number 59 HR. Adjust for centered on screen menu.

GE CHECKGE CHECK

GE CHECK

OLOL

GE CHECKGE CHECK

AL AL

WIDTHWIDTH

WIDTH

AL AL

WIDTHWIDTH

AL POSITIONAL POSITION

AL POSITION

AL POSITIONAL POSITION

SUB SUB

SUB

SUB SUB

VICE MODEVICE MODE

VICE MODE

VICE MODEVICE MODE

TINTTINT

SUB SHARPNESS SUB SHARPNESS

TINT

SUB SHARPNESS

TINTTINT

SUB SHARPNESS SUB SHARPNESS

AL POSITIONAL POSITION

AL POSITION

AL POSITIONAL POSITION

SOUNDSOUND

SOUND

SOUNDSOUND

Tune in a local channel. Connect an oscilloscope to the base of Q135, and the negative lead to ground. Enter the service mode and select service number 45 FL. Adjust for 0.693Vp-p ± 0.07Vp-p waveform on the oscilloscope

INPUT LEVELINPUT LEVEL

INPUT LEVEL

INPUT LEVELINPUT LEVEL

Set generator to 1kHz audio frequency and L-R modulating signal. Connect an oscilloscope to pin 38 of IC3401. Enter service mode and select the service item number 60 ATT. Adjust for 0.7Vp-p waveform.

SEPSEP

ARAARA

SEP

SEPSEP

Set generator to pilot, 300Hz audio frequency, and left modulating signal. Connect an oscilloscope to pin 38 of IC3401 and ground. Enter the service mode and select service number 61 WDB. Adjust for minimum amplitude of the waveform. Set generator to 8kHz audio frequency. Select service n umber 62 SPC and adjust for minimum amplitude of the waveform.

PURITYPURITY

PURITY

PURITYPURITY

NOTE: Operate the receiver for 15 minutes to allow warm-up of CRT. Use a degaussing coil to demagnetize the CRT. Tune in a green raster. Loosen the clamp screw. Slide deflection yoke back as far as possible. Adjust purity tabs to center the vertical green band. Slide the deflection yoke forward to produce a uniform green screen. Tighten the clamp screw.

CONVERGENCECONVERGENCE

CONVERGENCE

CONVERGENCECONVERGENCE

Tune in a dot pattern. Loosen the clamp screw. Adjust the 4 pole magnets to converge the red and blue dots at the center of the screen. Adjust the 6 pole magnets to converge the red/blue dots over the green dots at the center of the screen.

NOTE: Rotate the two tabs of each set of magnets equally and opposite to converge vertically and rotate both tabs in the same direction to converge horizontally. The 4 and 6 pole magnets interact, repeat adjustment until center convergence is correct.

Tune in a crosshatch pattern. Remove the tilt adjustment wedges between deflection yoke and the CRT. Loosen the clamp screw. Tilt the deflection yoke up or down to converge the vertical lines at the top and bottom of the screen and the horizontal lines at the right and left sides of the screen. Tilt the deflection yoke to the right or left to converge the horizontal line at the top and bottom of the screen and the vertical line at the right and left sides of the screen. Repeat convergence procedure if necessary to obtain best overall convergence. Replace the tilt adjustment wedges. Tighten the clamp screw.

CRCR

IC802 REPLAIC802 REPLA

IC802 REPLA

IC802 REPLAIC802 REPLA

Perform the following adjustments after replacing IC802. Enter the service mode, select service number 03 HP and set value to 14. Select service number 07 VLN and set value to 13. Select service number 28 PRE and set value to 3. Select service number 37 AF and set value to 1. Select service number 57 OPT and set value to

100. Select service number 58 OP2 and set value to 32. Press the menu button to exit service mode.

TIONTION

ARA

TION

ARAARA

TIONTION

T NECK ASSEMBLT NECK ASSEMBL

T NECK ASSEMBL

T NECK ASSEMBLT NECK ASSEMBL

CEMENTCEMENT

CEMENT

CEMENTCEMENT

SERVICE MODE ADJUSTMENT CHART

SerSer

vicevice

Ser

vice

SerSer

No.No.

No.

No.No.

01 HFR 0 - 63 29 29 2 9 Horizontal Frequency 02 AFC 0, 1 0 0 0 AFC Gain 03 HP 0 - 31 15 14 14 H-Position (H-Centering) 04 VS 0 - 127 64 64 51 Vertical Size 05 VPO 0 - 63 5 5 5 Vertical Position 06 VSP 0, 1 0 0 0 Vertical Set Up 07 VLN 0 - 31 18 13 13 Vertical Linearity 08 CRS 0 - 3 0 0 0 Cross B/W 09 GRY 0, 1 1 1 1 Gray Mode 10 VSC 0 - 31 8 8 8 Vertical S Correction 11 HBR 0 - 7 3 3 3 H BLK R 12 HBL 0 - 7 4 4 4 H BLK L 13 CD M 0, 1 0 0 0 CD Mode 14 VC 0 - 7 7 7 7 Vertical Compression 15 R B 0 - 255 0 0 0 Red Bias 16 GB 0 - 255 0 0 0 Green Bias 17 B B 0 - 255 0 0 7 Blue Bias 18 RD 0 - 127 64 64 8 5 Red Drive 19 GD 0 - 15 8 8 8 Green Drive 20 BD 0 - 127 64 64 62 Blue Drive 21 SBI 0 - 127 48 48 48 Sub Bias 22 OSD 0 - 3 3 3 3 OSD Contrast 23 POS 0, 1 0 0 0 Pre/Over/SW 24 FLS 0 - 7 1 1 1 Filter System 25 CKO 0 - 7 3 3 3 Color Killer Operation 26 GYA 0, 1 0 0 0 G-Y Angle 27 CRG 0 - 3 2 2 2 Coring Gain 28 PRE 0 - 3 1 3 3 Pre Shoot Adjust 29 WP 0, 1 0 1 1 White Peak Limiter, 0 = On, 1 = Off 30 FSW 0, 1 0 0 0 FBP Blanking Switch 31 VBL 0, 1 0 0 0 Vertical Blanking Switch 32 BSG 0 - 3 2 2 2 Black Stretch Gain 33 BSS 0 - 3 1 1 1 Black Stretch Start 34 DCR 0 - 3 1 1 1 DC Reset 35 YGM 0 - 3 1 1 1 Y Gamma 36 CB P 0, 1 0 0 0 C Bypass 37 AF 0, 1 0 1 1 Auto Flesh, 0 = Off, 1 = On 38 BAT 0 - 7 4 4 4 Bright ABL Threshold 39 MSD 0, 1 0 0 0 Mid Stop Def 40 ABL 0, 1 0 0 0 ABL Defeat, 0 = On, 1 = Off 41 RYA 0 - 15 2 2 2 R-Y/B-Y Angle 42 RAD 0 - 63 15 15 37 RF AGC Delay 43 IAS 0, 1 0 0 0 IF AGC Switch, 0 = TV (Normal), 1 = AV (IF Gain Minimum) 44 FM M 0, 1 0 0 0 FM Mute 45 FL 0 - 31 15 15 10 FM Level 46 VL 0 - 7 4 4 5 Video Level 47 EWD 0 - 63 39 39 39 EW DC 48 EWA 0 - 63 30 30 30 EW Amp 49 EWT 0 - 63 34 34 34 EW Tilt 50 EWP 0 - 7 7 7 7 EW Corner Top 51 EWB - 8 8 8 EW Corner Bottom 52 HSC - 7 7 7 Horiz Size Comp 53 SB 0 - 63 32 3 2 31 Sub Brightness 54 SCO 0 - 31 7 7 7 Sub Color 55 STI 0 - 31 20 20 20 Sub Tint 56 SSH 0 - 15 12 12 12 Sub Sharpness 57 OPT 0 - 255 0 100 100 Option, data 1 should be set to 100, in binary 8 bit 01100100 58 OP2 0 - 255 0 32 32 Option, data 2 should be set to 32, in binary 8 bit 0 0100000 59 HR 0 - 63 27 27 27 OSD Horizontal Position 60 ATT 0 - 15 10 7 8 Attenuation 61 WDB 0 - 63 32 32 34 Wide Band 62 SPC 0 - 63 32 32 11 Spectral 63 SBO 0 - 255 5 5 5 Sub Bright Offset 64 PCO 0 - 63 40 40 40 PIP Color 65 PTI 0 - 63 40 40 40 PIP Tint 66 PUV 0 - 63 24 2 4 24 PIP Top Position 67 PDV 0 - 255 147 147 147 PIP Bottom Position 68 PLH 0 - 63 10 1 0 10 PIP Left Position 69 PRH 0 - 255 101 10 1 101 PIP Right Position 70 PCN 0 - 63 42 42 52 PIP Y Level 71 PBS 0 - 63 15 15 15 PIP BGP Phase 72 DRV 0 - 127 64 64 R 85 Red Drive, press 1 to decrease value and 3 to increase value.

73 - 0 - 255 0 0 0 Red Bias, press 1 to decrease value and 3 to increase value.

74 R00 Thru Thru 146 R72 0 - 255 - 0 0 -

vicevice

AdjustmentAdjustment

Adjustment

AdjustmentAdjustment

DRV 0 - 127 64 64 B 62 Blue Drive, press 7 to decrease value and 9 to increase value.

- 0 - 255 0 0 0 Green Bias, press 4 to decrease value and 6 to increase value.

- 0 - 255 0 0 0 Blue Bias, press 7 to decrease value and 9 to increase value.

aluealue

alue

aluealue

RangRang

Rang

RangRang

Initial RefInitial Ref

Initial Ref

Initial RefInitial Ref VV

aluealue

alue

aluealue

Initial SetInitial Set

Initial Set

Initial SetInitial Set Up Up

aluealue

alue

Up Up

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On-SetOn-Set

On-Set

On-SetOn-Set VV

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alue

aluealue

NotesNotes

Notes

NotesNotes

SANY

SANYSANY

SANYSANY O MODEL DS25520 (CHASSIS 25520-00/01)

O MODEL DS25520 (CHASSIS 25520-00/01)O MODEL DS25520 (CHASSIS 25520-00/01)

SET 4737 PSET 4737 P

SET 4737 P

SET 4737 PSET 4737 P

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