Philips A02E Service Manual Download Page 40 | Manualshive

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7.

Circuit Diagrams and PWB Layouts

Small Signal Board: Protection

PROTECTION

2397

100n

F391

3393

3K3

I382

1

7393 D5
F381 C6
F382 C6

F383 C6

3

6382 A3
6384 B3

7300-G C6

I382 C4

6398 C3

E

D

7

D

E

C

A

F387 E4

B18-91

RES

F384 A4

F389 C3

2395 E5

PROTECTION

2380 B2

0V

10V4

3V2

F391 B4

B18-92

I381 A2

F390 C4

F385 B3

F386 B2

RES

B

B18-91

2395 D6

3390 C5

2386 B5

3

4

5

6

3386 B5

A

B

C

7383-B E5

2397 D3

7

5

6

3397 C4

4

3380 B2

3382 A4
3384 E5
3385 B5

3398 C2
6381 A3

3388 C5

3391 E4

6385 A4

6397 C3

3392 E3
3393 D5

7382 A4
7383-A E6

3394 D4
3395 E5

1

2

3396 D4

2

2395

10n

7V9

0V

0V DC

0V DC

0V DC

0V

0V

0V

1K0

3390

F389

F390

7383-B

BC847BPN

BAS316

6398

BZX384-C27

BC847BPN

6397

FLASH

AB1

VGUARD

W1

XPROT

AB2

VDDE

+3V3

7383-A

7300-G

ADOC

3395

10K

3392

47K

6381

BAV99

F383

7382

3380

10K

3382

1K

BC857B

3391

39K

3396

470R

7393

BC847BW

3397

470R

+8V

3385

47K

3386

27K

3384

10K

10K

3394

3388
1K0

F382

2384

1n

100R

2380
470p

F386

3398

F384

2386

10p

BAS316

6385

6382

BZX284-C47

F381

+8V

F387

I381

6384

BZX384-C22

HFB_X-RAY-PROT

KEYBOARD

EHT-INFO

F385

CL 36532058_030.eps

211103

3139 123 5536.2

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Summary of Contents for A02E

Page 1: ...pply Diagram A2 34 42 47 LSP Line Deflection Diagram A3 35 42 47 LSP Frame Defl E W Drive Diagram A4 36 42 47 LSP Rotation Circuitry Diagram A5 37 42 47 LSP Audio Amplifier Diagram A6 38 42 47 LSP Headphone Amplifier Diagram A7 37 42 47 LSP Tuner SIMM Conn Fem Diagram A8 39 42 47 LSP Front Diagram A10 40 42 47 LSP Inputs Outputs Diagram A11 41 42 47 SSB If SAW Filter Diagram B1 48 64 73 SSB Vid So...

Page 2: ... Y 1 Vpp 75 ohm j 4 C 0 3 Vpp 75 ohm j Cinch In CVBS 1 Vpp 75 ohm jq Audio L 0 5 Vrms 10 kohm jq Audio R 0 5 Vrms 10 kohm jq Mini Jack Headphone Out Headphone 32 600 ohm 10 mW ot 1 2 2 Rear Connections Figure 1 2 Rear connections Aerial In IEC type Coax 75 ohm D Service connector 1 SDA S I2C data 5 V jk 2 SCL S I2C clock 5 V j 3 GND Ground H Audio Out Cinch S Surround 0 5 Vrms 1 kohm optional kq L...

Page 3: ...4 5 7 V EXT 16 9 9 5 12 V EXT 4 3 j 9 Video Ground H 10 Easylink P50 j 11 N C 12 N C 13 Video Ground H 14 Video Ground H 15 C 0 7 Vpp 75 ohm j 16 N C 17 Video Ground H 18 Video Ground H 19 CVBS out 1 Vpp 75 ohm k 20 YCVBS in 1 Vpp 75 ohm j 21 Shielding Ground H 1 3 Chassis Overview Figure 1 5 PWB location 1 21 20 2 CL96532137_056 eps 171199 CL 36532058_053 eps 211103 LARGE SIGNAL PANEL A VDAF 2ND ...

Page 4: ...ppear To switch it off push the MENU button again Short circuit during switch on of the set the two solder pads on the SSB with the indication FOR SERVICE These solder pads are located at the tuner side of the SSB just above the large BGA IC Caution If the SDM is activated via these pins all the software controlled protections are de activated for 15 s When these 15 s are expired the set will shut...

Page 5: ... UP DOWN key to display the next previous menu items With the CURSOR LEFT RIGHT keys it is possible to De activate the selected menu item Change the value of the selected menu item Activate the selected submenu When you press the MENU button on the RC transmitter the set will toggle between the SAM and the normal user menu with the SAM mode still active in the background How to exit SAM Use one of...

Page 6: ...al system Blue picture and or unstable picture A scrambled or decoded signal is received Black and white picture Check in CSM line COLOR In case the value is low 10 increase the Color value The new value is automatically stored for all TV channels No colours colour lines around picture elements or colours not correct or unstable picture 1 Check in CSM line SYSTEM If a strange system pops up someth...

Page 7: ...ce mode protections and other errors can be trapped by powering the TV in stepwise fashion as explained below The stepwise start up mode is done in the specified sequence Before activating this mode all the protections are disabled and are only enabled step by step to trap the errors more appropriately The following steps are involved Step 0 Standby Pre condition The set is in protection mode Post...

Page 8: ...Horizontal protection Error not related to an I2C device but of importance e g BC loop RAM error Table 5 1 Error Table Service tips In case of non intermittent faults clear the error buffer before you begin the repair This to ensure that old error codes are no longer present Before clearing the buffer write down the content as this history can give you significant information If possible check the...

Page 9: ...cuited to ground or to each other An I2C error will also occur if the power supply of the IC is missing 5 7 3 ADOC Related Protections If a protection is detected at an ADOC input the uP will start to scan all protection inputs every 200 ms for five times If the protection on one of the inputs is still active after 1 s the microprocessor will put the set in the protection mode Before the scanning ...

Page 10: ...initiated by auto clearing the DFL bit Now the protection mode is activated Figure 5 6 Beam Current Protection Flash Protection Flash detection is used to shutdown the set only if the Flash occurs more than 5 times and is persistent Therefore this is a method to protect the set from undue electrical stress because of picture tube flashes The flash detector circuitry uses the EHT_INFO signal as inp...

Page 11: ... chassis Take care not to touch the hot heatsink while disconnecting the SSP despite the fact that the mains cord is out of the mains socket There still can be an annoying rest voltage on the heatsink for a short while because the discharge resistors 3502 and 3503 on the LSP between hot and cold part are not stuffed for Europe Instead discharge resistors 3066 and 3057 on the Mains Switch panel are...

Page 12: ...is an error 8 or 9 these will have the highest priority starting the mentioned blinking Measure dependent of the error on the I2C bus which device is loading the bus use the I2C overview No picture LED blinking with code 13 13 13 etc No communication on NVM I2C bus to the uP As the uP cannot communicate with the NVM I2C bus it spontaneously starts blinking 13 13 13 etc Note when there is no access...

Page 13: ...S YELLOW 0215 0203 1951 1502 1491 1505 1735 1625 3642 1417 1936 1940 TUNER 1943 Compair connector LOT I FRONT INTERFACE PANEL J 1201 1419 MAINS SWITCH SPEAKER L SPEAKER R CRT PANEL F SCAVEM COIL AQUADAG DEGAUSSING COIL ROTATING COIL CRT DC SHIFT OPTIONAL 0317 G LSP LARGE SIGNAL PANEL 1945 1947 1620 1499 1010 1009 TUNER 1498 1424 1417 1418 1497 1491 1510 0201 MAINS CORD 2p 0202 CRT SOCKET 7p 3p 11p...

Page 14: ... ARC PROT 8Vb 8V6 6 5 5100 7103 OR 7104 7 8 10 3 6107 5103 6111 3113 6122 11V_STBY 11V_ROT 11V 5 2V 5V 5 2V_MP 8V6 8V6 11V_STBY 6103 6109 20V 5102 3120 5106 5517 2102 2 1 3456 2404 3419 7440 B CURRENT SOURCE 6 2 1 3 HFB_X RAY PROT A3 B8 FRAMEDRIVE B11 ADOC STANDBY ADOC ADOC FRAMEDRIVE B8 FOCUS A 2 3 4 1 1495 3479 6491 EW 7442 7654 7653 3660 VBATT VBATT 3640 3631 8V S 6627 6626 6625 3642 3643 TV 36...

Page 15: ...iv DC 10µs div A40 2 V div AC 5ms div A41 2 V div AC 5ms div A42 10 V div AC 5ms div A35 500mV div DC 2ms div PM3394B A34 500mV div DC 2ms div PM3394B A56 20mV div AC 1ms div A57 500mV div AC 1ms div A58 20mV div AC 200µs div A59 500mV div AC 1ms div A68 500mV div AC 20µs div A69 2 V div DC 100ms div A70 2 V div DC 100ms div A7 A20 7131 8V6 G S D A21 7141 5V S D G A19 CL 36532058_007 eps 071003 LS...

Page 16: ... sec CLP Yyuv 4 4 6 4 6 4 7 7 67 7 4 7 7 4 6 4 6 4 4 4 7 4 7 7 74 74 74 74 74 74 Mono Sec Dig 02 5 8 5 0 8 7 L prim R prim Mono sec LR prim Dig Mono sec Dig AM Int 3 7 7 7 7 7 7 7 7 7 7 7 7 55 27 54 MHz 54MHz 54MHz 4 4 7 7 7 7 A 7 7 6 7 7 3 6 5 B C 4 7 4 7 6 4 7 7 4 4 4 7 7 7 4 7 0 2 AGC 5 C 0 B C 0 0 B 7 6 7 7 7 4 75 7 7 7 7 7 7 7 7 4 7 7 7 7 6 AM Int 4 4 6 4 4 4 7 7 6 4 7 7 57 7 4 4 7 7 7 7 7 7 ...

Page 17: ...B4 7 7 4 0 0 9 2 2 33 0 0 6 0 6 7 034 4 4 2 7 0 0 04 0 0 8 0 03 8 7 A 6 7 2 7 8 2 2 B3 A8 3 80 6 6CD 6 6 2 9 0 8 4 80 8 069 86 6 3 8 6 2 B8 B4 B9 B18 B4 A3 A1 B1 B4 7 A A3 A3 B18 B 11 B 15 B 10 B 7 A 8 F A 6 J E B18 3 E E 1 80 3 3 0 48 0 0 86 4 03 9 0 6 7 0 6 0 6 0 4 8 3 0 4 4 8 0 0 0 0 0 7 A 7 7 0 0 08 A2 7 7 A3 6 84 4 4 E0 E0 96 A 10 7 7 6 B12 7 B6 B7 B11 6 0 6 B5 0 6 0 6 6 2 6 6 86 349 0 3 9 6 ...

Page 18: ...HER DISPLAY CONTROL MODE CONTROL SDRAM ADOC MBF INPUT SWITCH MATRIX BLACK STRETCH BLACK STRETCH HISTOG MODIFY HISTOG MEAS BLACK BAR DET BLACK LEVEL DET NOISE MEAS ADOC FEF LINEDRIVE1 HFB_X RAY PROT FRAMEDRIVE FRAMEDRIVE VDDE 7730 7382 7393 3398 6397 6381 6382 6385 FLASH X PROT 8V EW_MPIF Ext Syn c Mux SRC for HFB1 H Sync Sync Mux H 2FH V 2FH FBL SC1 IN VDDCO VDDE VIDEO DECODER POR_FLASH 3380 3385 ...

Page 19: ...2 I151 B1 I152 B1 I153 B2 I154 B2 I281 C2 I301 C4 I302 C4 I303 C4 I304 C4 I305 C4 I306 C4 I307 C4 I009 B2 I010 A2 I061 C2 I062 B1 I063 C1 I064 B1 I101 C2 I102 B2 I103 B2 I104 C2 I105 B2 I106 B3 I107 B2 F976 D7 F977 D6 F978 D7 F979 D7 F980 D7 I001 C1 I002 A2 I003 A2 I004 B2 I005 B1 I006 A2 I007 A2 I008 A2 F962 D5 F963 D6 F964 D6 F965 D6 F966 D6 F967 D6 F968 D6 F969 D6 F970 D6 F972 D7 F973 D6 F974 D...

Page 20: ...SS B12 7100 D MPIF 43 40 42 44 DIGITAL BLOCK 7300 E 7300 k Error Description 0 No error 1 Horizontal Protection via NOHFB bit in ADOC 3 8V error missing protection active by checking MPIF ASUP bit 4 X ray High beam current protection signal via XPROT bit in ADOC 5 Hardware Protection is active same as EMG 7 Under voltage protection 11 MPIF I2C communication failure MPIF test failed 12 BC loop not ...

Page 21: ... 8 0 T5AH V MAINS FILTER ACTIVATING CIRCUIT 5502 5503 5504 5511 5516 3 2 4 1 1 3 2 3506 7507 TCET1103 3507 3520 VBATT ADJUSTMENT 3530 7506 TL431CZP 3531 5 3108 3118 GND STB GND STB GND STB 5113 4 1 2 D G S A21 5V SWITCH CONTROL 3114 3124 375V 20V 20V A7 A6 6535 6539 5507 3514 5514 2512 GND AUD GND FB HOT GROUND GND SUP GND FB 7529 20V SUP ENABLE 6 5506 OR 5512 7502 7530 7504 STP5NB60FP 7 9 10 N C ...

Page 22: ...03 3139 123 5523 1 Item Remarks Europe NAFTA China AP single range AP full range DESCRIPTION 1501 V V FUSE 5X20 HT 6A3 250V IEC B 1501 V V V FUSE 5X20 HT 5A 250V IEC B 1503 V V FUSE 5X20 F 4A 250V IEC B 1503 V V V FUSE 5X20 F 2A5 250V IEC B 1591 V V V SURGE PROTECT DSP 501N A21F A 2100 in A2 V CERSAF KX 250V S 470P PM10 B 2100 in A2 V V V V CERSAF KX 250V S 1N PM20 B 2503 V V V CAP MPOL 100V S 33N...

Page 23: ...2531 10n 2502 GND FB GND FB 2523 47u 6519 BYD33D 1u 2530 3518 1M 3523 BC847B 7530 9 5507 83R A2 330p 2518 2510 220p GND STB GND STB BYV28 6539 BY359X 1500 7507 TCET1103 G 5512 S419C4 01 10 11 12 13 2 4 5 6 9 GND FB GND FB 7502 BC547B BZX79 C15 6505 A6 A4 3515 BC546B 7529 3543 10n 2538 2513 9571 47K 3517 9572 17V2 169V 18V2 HOT 144V 16V6 2V2 COLD A2 12 A1 8 COLD HOT A2 44 Vbe 0V7 A3 A4 23 Vbe 0V 0V...

Page 24: ...03 3118 1K 3105 9101 5109 83R A14 A15 100n GND STB 2114 9107 6119 BAS316 100p 2103 6133 MCL4148 7133 BC857B 10R 3120 100p 2105 2 9103 STPS8H100 6107 GND STB GND STB 6115 BAT254 220R 3145 BZM55 C5V6 100R 3150 30R 5107 GND SSP A21 A20 3 4 5 1146 1 2 83R 5112 2108 10n 5108 GND STB 3K3 3142 3116 15R 3125 3127 5K6 3140 100K 6121 1N4148 BYD33D 1 5 4 2 18V 0V 0V 0V7 19v 0V 13V 12V 1N4148 6120 10V5 8V5 0V...

Page 25: ...2 3450 10K 470p 2419 9425 2468 GND SUP 2u2 2424 GND SUP 15R 3415 100n 2450 1R 3460 3461 1R 9423 680n 2433 470K 2 3 4 470n 2434 1417 1 2 1R 3462 3469 1K 3445 BAS316 6412 A31 1492 1 2 3 10u 2413 560n 5411 BAS316 6401 1m 2460 3400 1498 150u 5402 1R 90R 5426 9623 10R 3417 1K 3440 A26 39R 3411 2440 1u A24 9n1 2435 6R8 3423 3401 27R 33u 2402 MCL4148 6406 2401 6n8 1 2 3 4 5 6 5R6 3498 0040 HEATSINK 9401 ...

Page 26: ... BZX284 C15 6481 3481 100R 4n7 2480 2n2 2481 3482 3483 1K8 4K7 3484 BC847B 7486 BC847B 7487 9483 9482 7483 TCET1102 1 4 3 2 7482 TCDT1102G 1 5 4 2 8K2 3487 15n 2454 6K8 3486 6K8 3456 7441 BC857B 1K2 3656 3K3 3455 12K 3655 2K2 3659 4 22K 3657 3658 22K 3634 LM393D 7450 B 5 6 7 8 39K 39K BC847B 7612 3632 33K 470K 3638 7450 A LM393D 3 2 1 8 4 3630 6455 MCL4148 470R 3459 470R 3458 8 4 PMBT2369 7455 7 8...

Page 27: ...0903 HEADPHONE AMPLIFIER 1 2 3 4 1 2 3 4 A B C D E A B C D E 2751 B4 2752 B4 2754 B1 2755 C4 2756 C3 2757 C2 2758 D1 2759 E4 2760 E3 2761 E2 2762 C2 2763 D2 2764 B3 3752 B2 3753 C2 3754 C3 3755 C3 3756 C2 3757 C3 3758 D2 3759 D2 3760 E3 3761 E3 3762 E3 3763 E2 3764 A3 4703 E1 4704 C1 4705 B2 5750 A2 2V5 FOR EMG STAR SET 5V 7712 B3 7751 A B3 7751 B D3 9716 A2 c703 D4 A8 37 2V5 2V5 FOR A02 SSB A8 34...

Page 28: ... Subwoofer 2x10W with EXT Subwoofer 3x10W with HP amp Subwoofer 2x10W with HP Amp DESCRIPTION 1738 V V CON BM V 3P M 2 50 EH B 1739 V CON BM V 3P M 2 50 EH B 2701 V V V CER2 0805 Y5V 16V 1U COL R 2701 V V CER2 0603 X7R 16V 100N COL 2702 V V V V V CER1 0603 NP0 25V 1N COL 2703 V V V CER2 0805 Y5V 16V 1U COL R 2703 V V CER2 0603 X7R 16V 100N COL 2704 V V V V V CER1 0603 NP0 25V 1N COL 2705 V V CER2 ...

Page 29: ...9908 9250 2947 4u7 10u 5901 2946 2u2 1966 1 2 2945 2u2 9907 9906 9905 1 2 3 4 5 1961 A70 A68 1955 1 2 3 9904 9203 1 2 9215 1932 2943 100n 100n 2941 9903 2942 100n 9902 9901 9201 1 2 3 10 11 2 3 4 5 6 7 8 9 1943 2 3 4 5 6 1940 1 1 2 3 4 5 1934 1 1 2 3 1935 1948 1 2 3 1953 9 1951 1 2 3 4 5 1937 1 10 2 3 4 5 6 7 8 2915 10u 2940 100u LD1086 7910 GND IN OUT 1936 1 10 11 2 3 4 5 6 7 8 9 7901 BC847B 9205...

Page 30: ... 1946 B1 1947 A1 1949 B1 2952 D2 3911 B2 3912 D3 3913 D2 3914 C2 4911 A2 4912 A2 4914 A2 9970 A3 9973 B3 9978 A2 A8 25 TO 0203 PANEL INTERFACE FRONT NC 1 2 1949 1946 9973 1n 2952 4911 4914 3914 1K 8K2 3912 4912 10K 3913 10K 3911 9970 9978 1 2 3 4 5 6 7 8 9 1947 1 2 3 4 5 1945 1 2 3 ON OFF LED RC KEYBOARD RCOUT ON OFF LED 5 2V KEYBOARD LIGHT SENSOR 8V RC KEYBOARD 8V 5 2V CL 36532058_050 eps 030903 ...

Page 31: ... 3971 75R 3993 150R BZX284 C12 6960 1910 6951 PDZ6 8 B 1911 PDZ6 8 B 6950 6953 PDZ6 8 B PDZ6 8 B 6955 PDZ6 8 B 6954 6956 PDZ6 8 B 6957 PDZ6 8 B 6958 6959 PDZ6 8 B PDZ6 8 B PDZ6 8 B 6962 6961 PDZ6 8 B 100R 100R 3969 100R 3983 3977 3970 100R 3976 100R 100R 100R 3978 3991 150R 2994 330p 150R 3997 330p 2995 3996 150R 150R 3990 3967 75R 8K2 3981 75R 3975 2990 330p 3982 3K9 100p 2993 2998 100p 1K 3988 3...

Page 32: ...7 D3 F138 B4 F139 A8 1 2 3 4 1113 A B4 5134 A2 5135 A2 4V9 0V FOR 93 ONLY 1V9 1V9 1V9 7V9 2K2 3104 2135 10u 14 15 11 12 16 17 4107 OFWK3955L 1114 B 1 18 4 5 6 9 10 13 4 5 6 9 10 13 14 15 11 12 16 17 16 17 1113 B OFWK3953L 1 18 1 18 4 5 6 9 10 13 14 15 11 12 5Vd OFWK9656L 1112 B 8Vc 8Vc 8V 8Va 8Va 2132 10n 7101 3106 27K 3137 1K BC847BW 2119 10n 100n 2133 5112 3134 10R 100R 3135 7131 BC847BW 100n 21...

Page 33: ... 2Fh IO PNL OR TO FROM 1103 OF 3RD SCART PNL CONNECT TO 3D COMB FILTER B18 24 2V8 2V2 2V2 1V6 1V4 1V9 0V3 0V3 0V3 0V3 0V3 0V4 F064 B7 F074 E2 F075 F1 F076 E1 F077 E1 3072 100R 150R 3065 2K2 3066 S1 S2 2078 100n 100n 2083 S3 S4 2084 100n F080 F078 F076 F077 100n 2063 7060 B BC847BPN 5V 100n 100n 2075 100n 2073 2074 2072 100n F089 100n 2069 F088 3063 180R 7060 A BC847BPN 2u2 2088 1K0 3068 1K0 3067 1...

Page 34: ... 2038 C9 3RD SCART PNL B3 59 1K8 3029 BC847BS 7029 2 47K 3027 100n 2049 F014 470p 2018 2028 470n 2014 100n 2011 100p 100p 2010 2009 100p 100p 2004 BC847BS 7031 2 2006 1n 2038 F045 10u I001 1K8 3033 2024 470p 2039 2021 470p 10u 1n 1n 2033 I004 2042 I008 BAS316 6029 1u0 2029 3028 1K8 7029 1 BC847BS 2003 10u 2002 10u 1117 1 2 3 4 5 6 7 100R F047 3013 F046 1009 I007 47K 3024 5V 3016 220R 3030 1K8 7030...

Page 35: ...150 A8 7150 A A5 F152 C8 3 4 4 100MHZ 220R 100MHZ 220R 100MHZ 220R 2157 E5 3155 E4 3151 B5 3150 A5 2156 D5 5152 5V 3V3 1V3 5151 2154 10u 16V 43 SDA 24 TESTPIN2 18 TESTPIN3 2 VAUDO 3 VAUDS 14 VCC FILT 28 VCC RGB 35 VCC VADC 20 VDEFLO 21 VDEFLS 40 XREF 39 ADR 7 BGDEC 37 EWIOUT 36 EWVIN 41 FUSE6 23 FUSE7 10 FUSE8 33 FUSE9 11 GND FILT 29 GND RGB 34 GND VADC 42 IRQ 38 REW 13 RREF 44 SCL MPIF 7100 D 5V ...

Page 36: ...D9 5283 D9 2 3 4 5 B2 44 7 8 3282 D2 3283 D2 B2 33 C B2 31 B2 35 B2 34 B2 32 9 C 2 A 1 B2 37 B2 38 1 3 B2 36 B2 40 B2 39 6 5281 100Mhz 220R B2 41 B2 26 B18 45 B2 25 D VIDEO DECODER B2 42 3281 C1 5 4 2285 D9 2284 D9 F282 C2 F281 D9 7300 J A3 8 100Mhz 220R 100Mhz 220R B2 43 6 7 9 A 2281 A9 2282 C9 B D AE3 PLLVSSA N23 VID1 DTC VDD3 P23 VID1 DTC VDDA N26 VID1 DTC VSSA P24 VSYNC1 P25 VSYNC2 F281 H26 DL...

Page 37: ...S COMPENSATION DELAY SHARPNESS MEASURE DYNAMIC PEAKING LTI 256 Y U V SKIN TONE CONTROL BLUE STRETCH GREEN ENHANCE FIFO CACHE HORIZONTAL COMPRESSION CHANNEL MAIN YUV NOISE SHAPE MAIN FIFO CACHE DNR MEMORY BUS DEVICE INTERFACE UNDITHER UNDITHER UNDITHER SCAN RATE CONVERSION DISPLAY CONTROLLER MODE CONTROL OUTPUT MULTIPLEXER DTL INTERFACE SDRAM VIA MMI TO BEF YUV CONTROL INTERFACE MMIO ADAPTER DTL MM...

Page 38: ... 7346 D5 7356 E5 I301 C5 I302 C6 I303 D4 I304 D5 I305 A5 I306 A6 I307 A5 I308 A6 I309 B5 I310 B6 2307 2327 2317 2326 2305 1u0 2339 100p 7303 BC857B 100p 2329 2319 100p BC857B 7302 82p 2325 7301 BC857B 33R 3306 BC847BW 7304 BAS316 6301 1K2 3305 330R 3304 8V 6K8 3303 I309 I310 I307 I308 I306 I303 I305 I304 3V3 I301 I302 6326 BAS316 47K 3324 5V 7346 BC857B 22K 3348 8V 22K 3347 47K 3349 3328 33R 3339 ...

Page 39: ...6 B4 70 B18 87 B18 89 B18 88 NC 3367 B10 3368 C10 3371 D9 7365 C8 7361 B8 7300 F B3 6368 C9 100Mhz 2350 A7 2351 A8 2352 A9 2358 D7 8V 3V2 3V2 1V7 0V3 1V2 1V2 1V2 1V2 1V2 1V2 0V 2V 1V5 1V4 7V9 3V5 4V 2V9 2V4 2351 F348 10p F341 BC847B 7365 10K 10K 3354 2366 2u2 1K 3371 1K0 3341 3374 2K7 F346 F351 F357 3363 27K 3362 100K 2379 2n2 3355 3361 3365 15K 6361 BAS316 2371 1n 100p 2360 3V3 2344 100n 2M2 3377...

Page 40: ...5 3385 B5 3398 C2 6381 A3 3388 C5 3391 E4 6385 A4 6397 C3 3392 E3 3393 D5 7382 A4 7383 A E6 3394 D4 3395 E5 1 2 3396 D4 2 2395 10n 7V9 0V 0V DC 0V DC 0V DC 0V 0V 0V 1K0 3390 F389 F390 7383 B BC847BPN BAS316 6398 BZX384 C27 BC847BPN 6397 FLASH AB1 VGUARD W1 XPROT AB2 VDDE 3V3 7383 A 7300 G ADOC 3395 10K 3392 47K 6381 BAV99 F383 7382 3380 10K 3382 1K BC857B 3391 39K 3396 470R 7393 BC847BW 3397 470R ...

Page 41: ...62 DOWNMIX 7486 B 3487 7486 A BC847BS BC847BS 4453 4452 3435 56K 2454 3434 56K 2437 470n F438 2436 470n F437 3439 470n 2480 7431 B BC847BPN 47K 100u 2488 7432 A BC847BPN I448 2442 1n 2443 1n 2441 1n 100R 3468 I438 I439 8V 3462 1K2 3463 1K5 2481 470n 8K2 3485 3481 2K7 4480 I436 4481 I434 I435 I432 I433 BC847BPN 7433 B 2467 470n 8V 1K8 3486 SDAC1 3V3 AD22 SDAC1 VDDA AE22 SDAC1 VSSA AF16 SDI AE17 SDO...

Page 42: ...n 2584 S5 S6 3563 10K 18p 2516 3510 4K7 F532 F550 19 2 20 3 4 5 6 7 8 9 TYPE 0201 1 10 11 12 13 14 15 16 17 18 F542 F541 F540 VDDE 33R 3548 VDDE F521 4570 SKQR 1582 5583 3590 F509 1K0 4501 F515 3549 33R F514 2582 22p 5V2 F513 VDDE 2514 18p TD1 AF18 TMS AF17 TRST_ AF20 VDDE JTAG 7300 D AE20 DCLK AD14 P3 4 RTS AF15 P3 5 CTS AE15 P3 6 RXD AD15 P3 7 TXD AE21 PCST0 AD21 PCST1 AD20 PCST2 AF21 TCK AF22 T...

Page 43: ... H3 EBIU A19 J2 EBIU A2 C3 EBIU A20 J1 EBIU A21 J3 EBIU A3 C2 EBIU A4 D2 7300 E ADOC EBIU A0 A22 K3 5792 59 6 60 7 8 9 2793 100n 47 48 49 5 50 51 52 53 54 55 56 57 58 35 36 37 38 39 4 40 41 42 43 44 45 46 23 24 25 26 27 28 29 3 30 31 32 33 34 12 13 14 15 16 17 18 19 2 20 21 22 0290 TYPE 1 10 11 F797 2792 100n VDDE F795 4791 4790 9 37 43 15 21 48 42 55 31 29 1 30 32 56 2 53 16 52 38 40 44 46 49 51 ...

Page 44: ...1 A7 32 A8 33 A9 34 20 BA0 BA1 21 17 CAS_ CKE 37 CLK 38 CS_ 19 2 DQ0 4 DQ1 DQ10 45 DQ11 SDRAM RASN A14 SDRAM UDQM A23 SDRAM WEN 7730 K4S641632D A0 23 A1 24 22 A10 AP A11 35 A2 25 A3 SDRAM D10 B15 SDRAM D11 C15 SDRAM D12 C16 SDRAM D13 A16 SDRAM D14 A17 SDRAM D15 C26 SDRAM D2 A25 SDRAM D3 C24 SDRAM D4 B24 SDRAM D5 A24 SDRAM D6 C23 SDRAM D7 B14 SDRAM D8 C14 SDRAM D9 B23 SDRAM LDQM A22 SDRAM A3 C18 SD...

Page 45: ...IS11 L26 VSSIS12 D23 VSSIS13 D20 VSSIS14 D18 VSSIS15 D14 VSSIS16 D12 VSSIS17 B16 VSSE4 P12 VSSE40 P13 VSSE41 P14 VSSE42 P15 VSSE43 P16 VSSE44 R11 VSSE45 R12 VSSE46 R13 VSSE47 R14 VSSE48 R15 VSSE49 B13 VSSE5 R16 VSSE50 T11 VSSE51 T12 VSSE52 T13 VSSE53 L15 VSSE25 L16 VSSE26 M11 VSSE27 M12 VSSE28 M13 VSSE29 B19 VSSE3 M14 VSSE30 M15 VSSE31 M16 VSSE32 N11 VSSE33 N12 VSSE34 N13 VSSE35 N14 VSSE36 N15 VSS...

Page 46: ...50 C2 7651 B3 2657 D2 2655 A2 2656 E2 F651 A5 F650 C3 2652 A4 2654 A2 4V9 1V7 2V9 1V9 2V5 1V3 2658 D5 E 3 4 5 A B C D 3 4 3651 D5 3652 D5 3653 D5 5651 A4 2659 C2 5654 A2 10u 5651 2655 10u 3651 1K2 5652 10u 5V2 100n 2658 3V3 2K7 3652 6u8 5659 220n 2659 100p 2657 100u 2651 SS14 6651 10u 2652 100n 2656 I651 F652 F650 F651 3653 2K7 1 2 3 10u 2654 VGATE 1 7651 STS5PF30L 5 6 7 8 4 CS51033YDR8 7650 COSC ...

Page 47: ...901 1913 1918 F961 1970 F964 3972 100R 1n 2972 F973 F974 1936 1973 1921 1965 F947 2950 100p 1915 1950 1906 100R 3980 3928 1980 1928 100R 1937 3962 100R 1961 1923 100p 2919 100p 2933 3975 100R 2975 1n 100R 3976 1n 2976 1978 100R 3909 3979 100R 1953 1956 1938 1959 1960 2949 100p 100R 2935 100p F919 3963 F920 1966 2978 100p 1952 F939 2951 1n 1958 100p 2938 1962 F967 2918 100p F966 100p 2904 3904 100R...

Page 48: ...96 A2 6297 A2 4202 4 5 EH B 0241 1 2 3 6291 FOR SUBWOOFER CONNECTIVITY 4201 SG07 6297 6296 EH B 0242 1 2 3 4 5 6295 6294 6293 6292 2288 100p 9 2286 100p 0240 EH B 1 10 11 2 3 4 5 6 7 8 SG08 3295 3K9 2 7 3 8 1 3289 1K8 5 10 4 9 6 11 YKF51 5347 1256 A 75R 3285 1256 B YKF51 5347 7 8 9 3287 75R 1255 C YKC21 5599 1 2 3 1255 A YKC21 5599 1255 B YKC21 5599 4 5 6 SG06 SG05 1K 3293 SG01 SG04 SG03 SG02 YKB2...

Page 49: ...94 C4 2010 A1 3088 B3 3089 B2 3091 A2 3092 A2 3093 A3 3094 A3 3095 A4 3096 C4 3097 A2 3098 B4 3099 B4 4091 A2 4092 B4 6091 B4 6092 B4 1 2 3 560R 10n 2010 4091 6092 BAT254 4092 3088 1K1 3089 3098 75R 3099 68R 3097 2K7 1K5 3096 6091 BAT85 3K3 3095 3093 560R 270R 3094 3091 390R 3092 0215 1093 SKQNAB SKQNAB 1094 SKQNAB SKQNAB 1092 1091 CL 36532058_041 eps 030903 3139 123 5287 6 Personal Notes ...

Page 50: ...GND_RGB 15R 3412 2316 100n 1K 3310 3356 1K 9310 9311 7307 TDA6108JF 4 GND IOM 5 VDD 3308 56K 3318 2300 22u 15R 2420 39R 3416 8V 200V 8V 3312 2K2 100n 2306 47p 2313 47u RES 470n 4401 BAS316 6314 6313 BAS316 5401 BAS316 6312 6311 BAS316 4K7 3371 330n 2338 220p 2337 150R 3361 4301 4302 GND_RGB 9414 9412 9413 2 9404 7 FG1 1298 A 1 FG2 1298 B G1 1298 C 5 G2 1298 E 13 GND1 1298 J 12 10 H2 1298 G 9 GNDB ...

Page 51: ...0 A3 318 A1 1430 A3 2430 B3 2431 B4 2493 B2 1 2 4 3 9493 5493 CU15 68n 2493 BY228 20 6431 BYD33V 6433 2431 470p 6432 BYD33V 470p 2430 6430 BY228 20 2 MP 400mA 1430 5430 1 2 317 1 318 CL 26532041_034 eps 211103 I 3104 303 3654 5 CL 26532041_049 eps 260603 317 A3 318 A2 1430 A2 2430 A2 2431 A1 2493 A3 5430 A1 5493 A3 6430 A2 6431 A2 6432 A2 6433 A2 9493 A3 3104 303 3654 5 Personal Notes ...

Page 52: ... 1417 1 2 15R 3807 3808 22R 3809 10R 3818 4K7 1K8 3832 9800 2890 270p 2812 10n 1419 1 2 7821 BC857B 7822 BC847B 7818 BC847B 3831 4K7 3833 4K7 3810 470K 7823 BC857B 9804 1492 1 2 3897 1R 1490 1 1418 1 2 CU15 5801 1 2 4 3 3811 4M7 3824 4K7 3816 4K7 2816 220p 2821 68n 1 2 4 3 BYD33V 6810 2322592 3899 CU15 5810 2824 10u 3898 2322592 3819 4K7 7820 BC847B 3820 3K3 3822 4K7 6812 BZX79 C22 STP3NB80 7810 2...

Page 53: ...988 B4 3989 B4 3990 C3 3991 C5 4900 C3 4901 B3 4903 B3 4904 D6 6901 B3 6953 A1 6954 C6 7900 B4 7901 B3 7902 C5 7903 C6 TO 1947 OF 100K 3990 I915 22n 2932 I913 100K 7902 TCDT1102G 1 5 4 2 1K 3991 4904 6954 1N4148 BZX284 C3V3 2K2 3984 6953 100u 2930 470R 3978 330R 3982 1K5 3981 4903 4901 1K 3983 4900 1 4 3 2 BC847BW 7901 1K 3989 7903 TCET1101G 47u 2931 3987 220R 47R 3988 220R 3986 3985 BC857BW 7900 ...

Page 54: ...chapter 5 Service Modes Error Codes and Fault Finding Use the cursor menu and OK buttons of the remote control RC transmitter for navigation Figure 8 1 Top view LSP 8 2 1 Vg2 Adjustment Notes For adjusting the VG2 in A10 sets the vertical scan could be disabled by the VSD bit Vertical Scan Disable However do not use this option in this chassis as it will lead to a beam current protection Also the ...

Page 55: ... right left CURSOR button on the RC 6 After alignment save the value s with the STORE command in the SAM main menu IF PLL OFFSET No adjustments needed default value is 35 If the mentioned default value does not give the required result use the following alignment method 1 Set an external pattern generator to a crosshatch video signal and connect the RF output to the aerial input of the TV Set the ...

Page 56: ..._4 East West parameter 4 Has effect on the length of the vertical E W lines just below EW_3 7 EW_5 East West parameter 5 Has effect on the length of the vertical E W lines just below EW_4 8 EW_6 East West parameter 6 Has effect on the length of the vertical E W lines just below EW_5 9 EW_7 East West parameter 7 Has effect on the length of the vertical E W lines just below EW_6 10 EW_8 East West pa...

Page 57: ...croprocessor communicates with a large number of I2C ICs in the set To ensure good communication and to make digital diagnosis possible the microprocessor has to know which ICs to address The presence absence of these specific ICs or functions is made known by the option codes Notes After changing the option s save them with the STORE command All changes are disregarded when the OPTIONS submenu is...

Page 58: ...SHT Subtitle Shift Function Disable Enable Subtitle Shift Values OFF Disabled ON Enabled APC Auto Picture Control Auto TV Function Disable Enable Auto picture control Values OFF Disabled ON Enabled WSSB Wide Screen Signalling Bit Function Disable Enable Wide screen Signalling bit function Values OFF Disabled ON Enabled ROTI Rotation Tilt Function Change the tilt level of picture tube Values OFF Di...

Page 59: ... OFF while UKPNP remain ON Program Selection PLST Program List Function Disable Enable Program List function Values OFF Disabled the access to Program List Command is ignored ON Enabled the access to Program List Command is processed Picture In Picture PIPC PIP Control Function Disable Enable submenu to adjust PIP Picture settings Values OFF Disabled PIP feature is not available ON Enabled PIP fea...

Page 60: ... Function Disable Enable automatic switch to standby if no RC or local keyboard response after 4 hours provided that the set is ON from standby mode by the timer Values OFF Disabled no automatic switch to standby ON Enabled set switches to standby after 4 hours EPG Electronic Program Guide Function Disable Enable EPG feature Values OFF Disabled EPG feature is not available ON Enabled EPG feature i...

Page 61: ...uent parts IF can be included in the concept Less A D and D A converters needed for source switching Better performance for AD converters realised in analogue design environment more accurate less tolerance Critical items like reference voltages can be realised in the analogue environment Integrated SCART buffers The new A02 chassis has the following features An LSP Large Signal Panel that is base...

Page 62: ...tage sensing and mains input measuring It is built around IC7921 which has a built in MOSFET and control circuit and generates a o the 140 V V BAT and the 27 V for the audio part During Standby the power supply is switched to a low power burst mode via TS7946 and the following burst mode generator in order to reduce the power consumption A relay is used to switch the degaussing circuit for several...

Page 63: ...ed from the deflection supply 11V and the level is translated to 3 3V this event has the highest interrupt priority to trigger SW shutdown procedure Power down detection is fed to the FBCIN input initiates a slow stop and hence ensures CRT discharge it is important that the slow stop is maintained for at least 50 ms to assist good discharge The microcontroller hence the system shall have a clean p...

Page 64: ... group delay correction filter is integrated The filter can be switched between the PAL BG curve and a flat group delay response characteristic This has the advantage that in multi standard receivers the video SAW filter does not need to be switchable cost effective Sound IF The MPIF has a separate sound IF input to enable Quasi Split Sound QSS applications The sound IF amplifier is similar to the...

Page 65: ...tal video processor CL 36532058_073 eps 071003 A CVBS IF CVBS 1 CVBS 2 CVBS Y 3 C3 CVBS Y 4 C4 Y COMB C COMB R Pr V1 G Y Y 1 B Pb U1 R Pr V2 G Y Y 2 B Pb U2 YUV RGB Source Switch CLAMP LPF Data Link 2 Yyuv U V CLAMP LPF CLAMP A D LPF Data Link 1 A D Data Link 3 CVBS outA STROBE1N STROBE1P DATA1N DATA1P CVBS Y prim C prim CVBS sec Yyuv 2Fh SIFA D LR prim Dig Yyuv 2Fh STROBE3N STROBE3P DATA3N DATA3P...

Page 66: ...e video and audio data to be transmitted is multiplexed in an output register of 42 bits The content of that 42 bits register is serial transmitted on one of the three data links In the ADOC the serial data is de multiplexed into parallel streams The data on the data link is divided in several groups of signals video audio and strobe signals Obvious it is important that the transmitter and receive...

Page 67: ... MPIF on CVBS input signals 2D Comb filtering 3D Comb filtering is implemented in the Memory Based Feature block of the Feature Box Secondary VIDDEC 1fH The secondary VIDDEC is mainly intended for use with PIP DW It supports the following functionality Conversion of the digitised samples from MPIF into orthogonal samples meaning fixed number of pixels per line independently of line frequency Corre...

Page 68: ...s two video inputs coming from the VIDDECs For every block one video source can be chosen as input independently for every block The FEF has two video outputs designated as main and sub Histogram modification can only be performed on the main channel therefore the HME block is general connected to the same video source as the main channel Besides the two VIDDEC inputs there is also a third virtual...

Page 69: ...rystal clock which generates the drive signals for the horizontal east west north south and vertical deflection with extensive geometry correction capabilities The circuit can be used in both single scan 50 or 60 Hz and double scan 100 or 120 Hz applications Figure 9 14 DOP block diagram RGB Control Processing The RGB control circuit of the DOP contains two sets of input signals The first RGB inpu...

Page 70: ...lters the SIF signal is delivered to the QSS mixer stage of the MPIF IC and if channels according to standard L L are received also to the AM demodulator The Quasi Split Sound demodulation generates the SSIF or intercarrier signal By the SSIF switch it is possible to choose between the internally derived intercarrier and an external second SIF e g from a PIP front end or 10 7 MHz radio The selecte...

Page 71: ...the amplifier is constant This means that volume control is done via the ADOC The supply voltage is 28 V generated by the power supply via L5506 or L5512 The TDA7497 delivers an output of 3 x 10 W_rms to two full range speakers and an optional subwoofer Muting There are three types of muting available system mute headphone status mute and user mute System mute System muting is implemented for spec...

Page 72: ... modules The I2C 1 system bus comprises of SCL and SDA is used to control all the I2C devices on the LSP the main tuner and other I2C devices connected to other external panels PIP Front End demodulation IC PIP tuner etc The I2C 1 is a 100 kHz bus and is called as slow bus It is connected to the 5V supply All these devices are powered down in the Standby mode The I2C 2 system bus comprises of SCL2...

Page 73: ...d Programmable Read Only Memory EHT Extra High Tension EHT INFO Extra High Tension INFOrmation used for contrast reduction vertical and horizontal amplitude correction beam current protection and flash detection EMI Electro Magnetic Interference EPG Electronic Program Guide system used by broadcasters to transmit TV guide information NexTView EPLD Erasable Programmable Logic Device EU Europe EW Ea...

Page 74: ...peripherals PAL Phase Alternating Line Colour system mainly used in West Europe colour carrier 4 433619 MHz and South America colour carrier PAL M 3 575612 MHz and PAL N 3 582056 MHz PC Personal Computer PCB Printed Circuit Board same as PWB PCM Pulse Code Modulation PILOT Pilot Signal Abbreviation Description PIP Picture In Picture PLL Phase Locked Loop Used for e g FST tuning systems The custome...

Page 75: ... of the symmetrical drive signals for the DC frame output stage V_OSD Vertical OSD VA Vertical Acquisition VBI Vertical Blank Interval V chip Violence chip VCR Video Cassette Recorder VD Vertical Drive vertical sync pulse coming from the feature box VDS Virtual Dolby Surround VERT Vertical Output pulse VESA Video Electronics Standards Association VGA Video Graphics Array 640x480 4 3 VGND Video gro...

Page 76: ...460 4822 124 81144 1000µF 16V 2461 4822 122 31169 1 5nF 10 500V 2461 4822 126 11524 1 5nF 10 1kV 2462 4822 124 11767 470µF 20 25V 2463 4822 122 31177 470pF 10 500V 2464 4822 124 11767 470µF 20 25V 2465 4822 122 31177 470pF 10 500V 2466 2238 586 59812 100nF 20 80 50V 0603 2468 4822 122 31177 470pF 10 500V 2480 5322 126 11582 6 8nF 10 63V 2482 3198 017 34730 47nF 16V 0603 2483 3198 017 31530 15nF 20...

Page 77: ...521 4822 053 21155 1 5Ω 5 0 5W 3522 4822 117 11507 6 8kΩ 1 0 1W 3523 4822 051 20105 1MΩ 5 0 1W 3524 4822 051 30333 33kΩ 5 0 062W 3525 4822 051 30479 47Ω 5 0 062W 3527 4822 117 11951 2kΩ 1 0 1W 3528 4822 051 30103 10kΩ 5 0 062W 3529 4822 051 30472 4 7kΩ 5 0 062W 3530 4822 051 30102 1kΩ 5 0 062W 3531 4822 117 11507 6 8kΩ 1 0 1W 3532 4822 117 12925 47kΩ 1 0 063W 0603 3533 4822 116 52182 15Ω 5 0 5W 35...

Page 78: ...0F 6537 4822 130 11397 BAS316 6538 4822 130 11397 BAS316 6614 4822 130 80622 BAT54 6615 4822 130 11397 BAS316 6616 4822 130 11397 BAS316 6617 4822 130 11397 BAS316 6618 4822 130 11397 BAS316 6619 4822 130 31607 RGP10D 6620 5322 130 31938 BYV27 200 6621 4822 130 31607 RGP10D 6623 4822 130 11397 BAS316 6624 4822 130 11397 BAS316 6625 4822 130 11397 BAS316 6626 4822 130 11397 BAS316 6627 4822 130 113...

Page 79: ... 100nF 10 16V 0402 2732 3198 035 71040 100nF 10 16V 0402 2733 3198 035 71040 100nF 10 16V 0402 2734 3198 035 71040 100nF 10 16V 0402 2792 3198 035 71040 100nF 10 16V 0402 2793 3198 035 71040 100nF 10 16V 0402 2918 2238 869 15101 100pF 5 50V 0402 2919 2238 869 15101 100pF 5 50V 0402 2920 2238 869 75829 82pF 5 50V 0402 2932 2238 869 15101 100pF 5 50V 0402 2933 2238 869 15101 100pF 5 50V 0402 2935 22...

Page 80: ...11397 BAS316 6353 5322 130 34337 BAV99 6365 5322 130 34337 BAV99 6367 9340 548 67115 PDZ22B 6368 4822 130 11397 BAS316 6381 5322 130 34337 BAV99 6382 4822 130 11594 BZX284 C47 6384 9340 548 67115 PDZ22B 6385 4822 130 11397 BAS316 6397 9340 548 69115 PDZ27B 6398 4822 130 11397 BAS316 6480 9340 548 61115 PDZ12B 6481 9340 548 61115 PDZ12B 6651 9322 128 70685 SMSS14 ce 7060 9340 425 30115 BC847BPN 706...

Page 81: ... 03 5400 4822 157 11869 33µH 10 5401 4822 157 71334 0 68µH d 6300 4822 130 83757 BAS216 6301 4822 051 20008 Jumper 0805 6305 9340 553 52115 BAS321 6306 9340 553 52115 BAS321 6307 9340 553 52115 BAS321 6310 4822 130 11397 BAS316 6311 4822 130 11397 BAS316 6312 4822 130 11397 BAS316 6313 4822 130 11397 BAS316 6314 4822 130 11397 BAS316 ce 7300 5322 130 42718 BFS20 7301 5322 130 42718 BFS20 7302 5322...

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