Text preview for : b_vi.pdf part of PANASONIC DMR-EH575 SERVICE MANUAL



Back to : DMR-EH575EGK.part1.rar | Home

IC3001
(VIDEO PROCESSOR)

:REC SIGNAL

:PB SIGNAL

MAIN P.C.B.
6MHz 12MHz + P59001 P7402 51 FROM DIGITAL P.C.B. P59001 P7402 59 Y OUT DM 93 CLAMP 6MHz LPF (SW1) a b c (SW2) a b c (SW3) a b c d 6MHz P59001 P7402 63 P59001 P7402 67 JK3901 21 PIN JACK AV1 (TV) 20 AV1 VIDEO 33 AV1 V CLAMP GPYOUT DM 97 CLAMP 12MHz (SW4) a b c AV1 R-C OUT 3 PB 9 4 Y COMP B-Y OUT AV1 B OUT (SW6) 6MHz 12MHz (SW5) a b c a b c d COMP Y OUT 1 11 JK3901 21PIN JACK 12 15 7 14 11 19 15 AV1 G OUT RED/C BLUE GREEN VIDEO/Y AV1 (TV) JK3903 COMP R-Y OUT

P59001 P7402 55

C OUT DM

91

BIAS

6MHz BPF

7

2 PR COMPONENT VIDEO OUT PROGRESSIVE/ INTERLACE

RPROUT DM

95

CLAMP/ BIAS

BPBOUT DM

99

CLAMP/ BIAS

17

JK3001 S-VIDEO

(SW17Y) a S-VIDEO IN AV3 JK3802 FRONT JACK 1 2 3 4 3 4 AV3 Y AV3 C 41 AV3 Y CLAMP (SW17C) a b AV3 C (SW17V) a BIAS b b

20 (SW7) a b (SW8) a b (SW9) a b Y OUT Y C OUT

19

9

3

10 4 C OUT 22

45

V OUT

DMR-EH57EE 23

DMR-EH57EC/EP, EH575EG JK3001 VIDEO OUT 13 14 OUT 15

AV3 JK3801 FRONT JACK

VIDEO IN

7 6

AV3 V

37

AV3 V

CLAMP

SV1 a b c d e SV2 AV1 V/Y/C OUT

24

(EE) only
AV4 JK3001 REAR JACK 14 15 AV4 V 35 AV4 V CLAMP

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

VIDEO IN

a b c d e

AV2 V OUT

AV4 JK3001 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 75 P7402 71

P59001 P59001

ADC OUTPUT SELECT SWITCH CIRCUIT

V/Y ADC OUT

83 P7402 88 P7402 83 P7402 87 P7402 84 P59001 P59001 P59001 P59001 TO DIGITAL P.C.B.

SLICER

85 Q7501,Q7503- B FROM/TO TIMER SECTION < RGB CPSV >

43

AV4 C

BIAS

SCL JK3901 21 PIN JACK RED/C 15 AV2 (DECODER/EXT) GREEN 11 BLUE 7 AV2 R/C AV2 G AV2 B AV2 V/Y 5 AV2 B CLAMP CLAMP AV2 V/Y TUNER V 3 AV2 G CLAMP 1 AV2 R/C BIAS CLAMP (SW10) b a IIC BUS LOGIC SDA

88 89

IIC CLK IC7501- 29 IIC DATA IC7501- 30

VIDEO/Y 20

TU7801:DMR-EH57EC TU7802:DMR-EH57EE/EP,EH575EG U/V TUNER 30 5V 17 VIDEO OUT

31

CLAMP

2.3V 1.0V

< RGB CPSV >







DMR-EH57EC/EP/EE,EH575EG Analog Video Block Diagram