Text preview for : b_av.pdf part of PANASONIC DMR-ES20 SERVICE MANUAL



Back to : DMR-ES20EGS.part1.rar | Home

IC3001
(VIDEO PROCESSOR)

:REC SIGNAL

:PB SIGNAL

MAIN P.C.B.
6MHz 12MHz + P9001 47 P7402 Y OUT DM 93 CLAMP 6MHz LPF (SW1) a b c (SW2) a b c (SW3) a b c d 6MHz 12MHz P9001 59 P7402 GPYOUT DM 97 CLAMP (SW4) a b c AV1 R-C OUT 4 Y 9 1 JK3903 COMP R-Y OUT

P9001 51

P7402

C OUT DM

91

BIAS

6MHz BPF

7

2 PR 3 PB COMPONENT VIDEO OUT PROGRESSIVE/ INTERLACE

FROM DIGITAL P.C.B. DIGITAL VIDEO BLOCK SECTION

P9001 55

P7402

RPROUT DM

95

CLAMP/ BIAS

COMP B-Y OUT AV1 B OUT (SW6)

11

JK3801 21PIN JACK 15 RED/C BLUE GREEN VIDEO/Y AV1 (TV)

12

7 11

P9001 63

P7402

BPBOUT DM

99

CLAMP/ BIAS

6MHz 12MHz

(SW5) a b c

JK3901 21 PIN JACK AV1 (TV) 20 AV1 VIDEO 33 AV1 V CLAMP

a b c d

COMP Y OUT

19 14

15 AV1 G OUT

17

AV3 JK3002 FRONT JACK S-VIDEO IN 1 2 3 4 11 12 AV3 Y AV3 C 41 AV3 Y CLAMP (SW7) a b (SW8) a b (SW9) a b VIDEO IN 7 6 AV3 V 37 AV3 V CLAMP SV1 a b c d e SV2 4 1 AV4 V 35 AV4 V CLAMP a b c d e

JK3003 S-VIDEO

20 AV4 Y OUT Y C AV4

19

9 10

AV4 C OUT

22

45

AV3 C

BIAS

AV4 V OUT

23

JK3001 VIDEO OUT 8 AV4 5

24

AV1 V/Y/C OUT

AV4 JK3001 REAR JACK

26 JK3901 21PIN JACK 28 19 VIDEO AV2 (DECODER/EXT)

VIDEO IN

AV2 V OUT

AV4 JK3003 S-VIDEO S-VIDEO IN 1 2 3 4 Y C 3 4 AV4 Y AV4 C 39 AV4 Y CLAMP

AV1 V AV3 Y AV3 C AV3 V AV4 V AV4 Y AV4 C AV2 R/C AV2 V/Y TUNER V

C-ADC OUT

81

CPN CIN DM V/Y IN DM

P7402 87 P7402 83 P7402 67 P7402 71 P7402 75 P7402 79

P9001 P9001 P9001 P9001 P9001 P9001 TO DIGITAL P.C.B. DIGITAL VIDEO BLOCK SECTION

ADC OUTPUT SELECT SWITCH CIRCUIT

V/Y ADC OUT

83

R G

SLICER

43

AV4 C

85

BIAS SCL

SLICER Q7501,Q7503- B FROM/TO TIMER SECTION

B RGB CPS V

JK3901 21 PIN JACK RED/C 15 AV2 (DECODER/EXT) GREEN 11 BLUE 7 AV2 R/C AV2 G AV2 B AV2 V/Y 3 AV2 G 1 AV2 R/C

BIAS CLAMP

(SW10) b a

IIC BUS LOGIC

88 89

SDA

IIC CLK IC7501- 28 IIC DATA IC7501- 29

CLAMP

CLAMP

TUNER V

(Except (EG)) Q7802 30 5V 2.3V (EG) 1.0V K7809 PP7401 PS7801 2 BUFFER

TU7801 U/V TUNER 18 VIDEO OUT

VIDEO/Y 20

5

AV2 B

CLAMP

31

AV2 V/Y

CLAMP

TUNER P.C.B.

RGB CPS V

DMR-ES20EG/EP/EE Analog Video Block Diagram
AV2 R/G/B

G

R

B