Text preview for : HCM653W_3.pdf part of Samsung HCM653W 9 files, 190 total pages, service manual / data for Samsung projection TV receiver model #'s HCM653W, HCM5525W & HCM553W with P54A (REV. 3) chassis.
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Block Diagrams
8. Block Diagram
8-1 Main Signal(Progressive)
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8-1
Block Diagrams
8-2 Video Signal
8-2
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Block Diagrams
8-3 Sound Signal
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8-4 Power Supply
STAND- BY POWER SUPPLY
KA278RA05
220 m A
108 m A MICOM / EEPROM 112 m A
REL AY
F L M -G12S 8. 02V
1. 161 A
St and- By
220 m A 629 m A 807 m A
Capt i on / AV- Ter m i nal 3D - Comb / Tuner / Sound D/W
45 m A / 14 m A 138 m A / 154 m A / 87m A
S I 3050( A) 5. 3V S I 3050( B) 5. 2V
F MG - G26S 113V
982 mA
DEFLECTION HIGH VOLTAGE
437 m A 523 m A 12. 9 m A 1. 34 m A
DUMMY TRANS
208V +13. 5V - 13. 5V HEATER
CRT
VERTICAL
29 m A 219 m A 380 m 640 m A
VM 113V TUNER 32. 6V
DR I VER CRT
MA I N POWER SUPPLY
F L M - G12S 13. 5V
1. 04 A
KA7808 8. 06V SI 3050 5. 3V SI 3090 9. 05V KA78R12 11. 95V I C421 KA78R12 I C107
16. 0 m A 293 m A 280 m A 277 m A 174 m A
SOUND DW(SDA9361) / CG MDL H/ V PROTECT, D- F oc us CRT 50 m A DW (Int er l ace Opt i on) SOUND MDL 176 m A 172 m A CG- MDL AV- Ter m i nal 90 m A / 200 m A 1. 46 m A/ 46.64m A/ 2.99m A 221m A Mic om / 3D- Domb / T- Boar d
I R5GV41 - 9. 1 F L M G12S - 28. 8 F L M G12S +28. 1
44 m A 486 m A 970 mA
KA7906 ( 5. 2V) CG AM P CG AM P
44 m A 486 m A 960 m A 10 m A
DR I VE
8-4
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8-5 Double-Windows Block Diagram ( Applied IC : SDA3230 + SDA9400 )
Deflection Signal Processing
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8-5
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8-6 Simple PIP (Applied IC : CIA3250 + SDA9400)
Deflection Signal Processing
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8-7 VPC 3230 RGB Input Change
Notes
1. DVD 1 input is switched,the main DVD-Y is input to VPC3230 through terminal switching,and DVD input signal is directly input to PIP VPC3230. 2. PIP switching is not available in DVD 480p signal. 3. Color signal should be superimposed on caption signal so that Caption Box becomes black.
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8-7
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8-8 Video S/W Signal Change
8-8
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8-9 D/W Block Diagram ( SDA9400 )
Deflection Signal Processing
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8-10 Sound Switching Block Diagram 1
Signal Processing The first Sound Switching is performed at IC706:4052 IC, the main micom is controlled by S-CON0/1, and then the second Sound Switching is performed at MSP3452 Sound IC. Note : The S-Video 1 sound is output only when Video 1 Sound is connected. AV1 (SCART1) : PAL ONLY AV2 (VIDEO1) : NT / PAL AV3 (VIDEO2) : NT / PAL AV4 (VIDEO3) : NT / PAL
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8-11 Sound Switching Block Diagram 2
MSP3452/3450 is a multifunctional IC, and so it can be used in both of NTSC/PAL system. MSP3452 : Dolby function MSP3450 : Simple Stereo, Sound Multiplex
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Block Diagrams
8-12 Auto Convergence Block
8-13 In/Out by Block
8-14 Signal Connection by Block
8-12
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8-15 Auto Convergence Flow
Start
8-16 Auto Magnetic Field Adjustment Flow
Start
Green Display
Block Scan
Green Adjustment
Line Scan
Error?
Y
Abnormal
Verify Scan
N
N
Red Display
Verification OK?
Y
N
10 Times repeat?
Y
Red Adjustment
Center Adjustment
Error?
Y
Tilt Scan
N
Blue Display
Verify Scan
N
Blue Adjustment
Verifycation OK?
Y
N
10 Times repeat?
Y
Error?
Y
Restore Cg Data
Tilt Adjustment
N
Error Flag Set
End
End
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