JVC XV-M50BK Bedienungsanleitung

SERVICE MANUAL

No.A0008B

2002/11

XV-M50BK

DVD VIDEO PLAYER

A0008B200211

XV-M50BK

TABLE OF CONTENTS

1 Description of major ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Block diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Area Suffix

J ------------- U.S.A.

C ---------- Canada

Because service manual XV-M50BK (Issue No.A0008)

which has already been issued contains some mistakes,

the following pages are modified in this service manual.

< Modified pages >

*Description of major ICs

*Block diagrams

Refer to the service manual XV-M50BK (Issue No. A0008)

which has already been issued for other pages.

Supplement

XV-M50BK

SECTION 1

Description of major ICs

1.1 AK93C65AF-X (IC403) : EEPROM

• Pin layout

• Block diagram

• Pin function

NOTE :

The pull-up resistor of the PE pin is about 2.5Mohm (VCC=5V)

Pin no. Symbol Function

1 PE Program enable (With built-in pull-up resistor)

2 VCC Power supply

3 CS Chip selection

4 SK Cereal clock input

5 DI Cereal data input

6 DO Cereal data output

7 GND Ground

8 NC No connection

XV-M50BK

1.2 AN8702FH(IC101):Frontend processor

• Pin layout

• Pin function

Pin No. Symbol I/O Description

1 PC1 I Input for Laser current monitor

2 PC01 O Laser power control output for DVD

3 PC2 I Photo detector fo CD

4 PC02 O Laser power control output for CD

5 TGBAL I Tangential phase balance control terminal

6 TBAL I Tracking balance control terminal

7 FBAL I Focus balance control ter

8 POFLT O Track detection threshold level terminal

9 DTRD I Data slice part data read signal input terminal (For RAM)

10 IDGT I Data slice part address part gate signal input terminal (For RAM)

11 STANDBY I Standby mode control terminal

12 SEN I SEN(Serial data input terminal)

13 SCK I SCK(Serial data input terminal)

14 STDI I STDI(Serial data input terminal)

15 RSEL I DVD and CD selection

16 JLINE I J-line setting output (FEP)

17 TEN I Tracking error output amplifier reversing input terminal

18 TEOUT O Tracking error signal output terminal

19 ASN I Off set adjustment terminal for DRC

20 ASOUT O All added signal output terminal

21 FEN I Focus error output amplifier reversing input terminal

22 FEOUT O Focus error signal output terminal

23 VSS - Connect to GND

24 TG O Tangential phase error signal output terminal

25 VDD - Power supply terminal 3V

26 GND2 - Connect to GND

27 VREF2 O VREF2 voltage output terminal

28 VCC2 - Power supply terminal 5V

29 VHALF O VHALF voltage output terminal

30 DFLTON O Filter amplifier reversing output terminal

31 DFLTOP O Filter amplifier output terminal

32 DSFLT O Connected capacitor terminal for filter output

33 GND3 - Connect to GND

34 RFDIFO O RF operation output terminal

35 RFOUT O RF output terminal

36 VCC3 - Power supply terminal 5V

37 RFC I Filter for RF amplifier

XV-M50BK

38 DCRF O All addition amplifier capacitor terminal

39 OFTR O OFTR output teminalr

40 BDO O BDO output terminal

41 RFENV O RF envelope output terminal

42 BTTOM O Bottom envelope detection filter terminal

43 PEAK O Peak envelope detection filter terminal

44 AGCG O AGC amplifier gain control teminalr

45 AGCO O AGC amplifier level control terminal

46 TESTSG I TEST signal input terminal

47 RFINP I RF signal positive input terminal

48 RFINN I RF signal negative input terminal

49 VIN5 I RF input of external division into 4 terminal for CD

50 VIN6 I RF input of external division into 4 terminal for CD

51 VIN7 I RF input of external division into 4 terminal for CD

52 VIN8 I RF input of external division into 4 terminal for CD

53 VIN9 I RF input of external division into 2 terminal for DVD

54 VIN10 I RF input of external division into 2 terminal for DVD

55 VCC1 - Power supply terminal 5V

56 VREF1 O VREF1 voltage output terminal

57 VIN1 I External division into four (DVD/CD) RF input terminal1

58 VIN2 I External division into four (DVD/CD) RF input terminal2

59 VIN3 I External division into four (DVD/CD) RF input terminal3

60 VIN4 I External division into four (DVD/CD) RF input terminal4

61 GND1 - Connect to GND

62 VIN11 I 3 beem sub input terminal for CD

63 VIN12 I 3 beem sub input terminal for CD

64 HDTYPE I HD type switching

Pin No. Symbol I/O Description

XV-M50BK

1.3 HY57V161610DTC8(IC504,IC505) : 16MB SDRAM

• Block diagram

• Pin function

Pin No. Symbol Description

1 VCC Power supply

2,3 DQ0,1 Data input/output

4 VSS Connect to GND

5,6 DQ2,3 Data input/output

7 VDD Power supply

8,9 DQ4,5 Data input/output

10 VSS Connect to GND

11,12 DQ6,7 Data input/output

13 VCC Power supply

14 LDQM Lower DQ mask enable

15 WE Write enable

16 CAS Column address strobe

17 RAS Row address strobe

18 CS Chip enable

19,20 A11,10 Address inputs

21~24 A0~3 Address inputs

25 VCC Power supply

26 VSS Connect to GND

27~32 A4~9 Address inputs

33 NC Non connect

34 CKE Clock enable

35 CLK System clock input

36 UDQM Upper DQ mask enable

37 NC Non connect

38 VCC Power supply

39,40 DQ8,9 Data input/output

41 VSS Connect to GND

42,43 DQ10,11 Data input/output

44 VDD Power supply

45,46 DQ12,13 Data input/output

47 VSS Connect to GND

48,49 DQ14,15 Data input/output

50 VSS Connect to GND

XV-M50BK

1.4 M35500AFP(IC802) : FL Driver

• Pin layout

• Pin function

Pin No. Symbol I/O Description

1 VDD - Power supply terminal

2 XOUT O The short-circuit is made and the capacitor is connected with XIN on the outside

3 VSS - Connect to ground

4 XIN I The short-circuit is made and the capacitor is connected with XOUT on the outside

5 RESET I Reset input L:Reset

6~11 AIN5~0 I Key control signal input

12 CS I Chip select input L:The serial transfer is possible

13 SIN I Serial data input

14 SOUT O Serial data output

15 SCLK I Clock input of serial transfer

16,17 VEE - The voltage supplied to the pull down resistance is impressed

18~20 DISC3~1 IND O Indicator control signal output of disc indicator 1~3

21,22 NC - Not use

23~29 7G~1G O FL Grid control signal output

30~43 S14~S1 O FL Segment control signal output

44 VDD - Power supply terminal

XV-M50BK

1.5 M56788FP-W (IC271) : Traverse mechanism driver

• Terminal Layout

• Block diagram

XV-M50BK

1.6 MN101C49GGJ1(IC701): System controller

• Terminal layout

• Pinfunction

Pin No. Symbol I/O Function

1 GND - Connect to ground

2 NC - No connect

3 NC - No connect

4 NC - No connect

5 NTSEL I NTSC/PAL selection

6 POWER SW I Power switch detect terminal

7 SHUT1 - Connect to VDD

8 KEY1-5 - Connect to VDD

9 KEY6-10 - Connect to VDD

10 VREF+ I Reference voltage

11 VDD I Power supply

12 OSC2 O External terminal for connected oscirator

13 OSC1 I External terminal for connected oscirator

14 VSS - Connect to ground

15 XI - Connect to ground

16 XO - No connect

17 MMOD - Connect to ground

18 DADATA I/O Data bus for DAC

19 DACSO O Serial bus output for DAC

20 DACK I/O Clock for DAC

21 S2UDT O Communication between unit microcomputers DATA output

22 U2SDT I Communication between unit microcomputers DATA output

23 SCLK I/O Serial clock bus

24 BUSY I/O Busy bus

25 CPURST O Unit microcomputer reset

26 REQ I Commnication between unit microcomputers REQ

27 REMO I Remote control interrruption

28 - Non connect

29 - Non connect

30 - Connect to ground

31 - Connect to ground

32 - Connect to ground

33 RESET I DVD reset

34 - No connect

35 - No connect

36 VCD - No connect

37 OSDCK - No connect

38 NT - No connect

39 FS2 - No connect

XV-M50BK

40 CHREQ I Changer commnication REQUEST

41 CHST O Changer commnication STROBE

42 CHDATA O Changer commnication DATA I/O

43 - No connect

44 CHCK I Channel clock

45 FLDATAO O Serial data output

46 FLDATAI I Serial data input

47 FLCK O Clock output of serial transfer

48 FLCS O Chip select output

49 FLRST O Reset output

50 EEDO O Data output to EEPROM

51 EEDI I Data input from EEPROM

52 EECK O Clock signal output to EEPROM

53 EECS O Chip select output to EEPROM

54 VS1 O Fanction SW control

55 VS3 O Fanction SW control

56 DMUT1 - No connect

57 DMUT2 - No connect

58 PDB2 - No connect

59 PDB1 - No connect

60 DEMP2 - No connect

61 DEMP1 - No connect

62 DENA - No connect

63 KARAOKE O KARAOKE Mode switching terminal

64 POWER ON O Power on control output

65 VS2 - No connect

66 - No connect

67 - No connect

68 - No connect

69 - No connect

70 - No connect

71 - No connect

72 - No connect

73 - No connect

74 - No connect

75 - No connect

76 - No connect

77 AVCI I AV compulink signal input

78 AVCO O AV compulink signal output

79 RGB O RGB select control signal output

80 STDIND O Standby LED control signal output

81 - No connect

82 - No connect

83 - No connect

84 - No connect

85 - No connect

86 CS4 - No connect

87 MA - No connect

Pin No. Symbol I/O Function

XV-M50BK

88 MB - No connect

89 M1M3 - No connect

90 MD - No connect

91 MC - No connect

92 GAIN2 - No connect

93 GAIN1 - No connect

94 HPMUT - No connect

95 DAVSS - No connect

96 LMUTE - No connect

97 CMUTE - No connect

98 SMUTE - No connect

99 MUTE O Muting control signal output

100 DAVDD - Power supply terminal

Pin No. Symbol I/O Function

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