REVISED

YB-SB-00005-5

SUBJECT:
TO IMPROVE PICTURE AND SOUND NOISE
Performed at factory Priority ( ) ( ) ( ) ( ) (!) ( )

MARCH, 2005

Model & Manual No.

Shown below

Reference Information
S. All Products. A. Items in JVC/Dealer stock/Service return goods. B. JVC stock/Units returned for service. C. Sold items returned for service. D. Only Units related to this bulletin. E. Others.
Revise one of the wire position of page 7/9 due to miss print of -4
<Models> DR-M10SUS DR-MV1SUS DR-MH20SUS DR-MH30SUS DR-MX1SUS SR-MV30US SR-MV50US DR-M10SUC DR-MV1SUC DR-MH20SUC DR-MH30SUC DR-M10SUJ DR-MV1SUJ DR-MH20SUJ DR-MH30SUJ : : : : : : : : : : : : : : No. XA019 No. YD006 No. YD026 No. YD026 No. YD041 No. YD012 No. YD045 No. XA019 No. YD006 No. YD026 No. YD026 No. XA019 No. YD022 No. YD026 No. YD026 DR-M10BE DR-MH20SE DR-MH30SE DR-M10SEU DR-MV1SEU DR-MV1BEU DR-M10SEK DR-M10BEK DR-MV1SEK DR-MV1BEK DR-MH20SEK DR-MH30SEK DR-M10SER DR-MH30SER DR-M10SEF DR-MV1SEF DR-MH20SEF DR-MH30SEF : : : : : : : : : : : : : : : : : : No. XA020 No. YD027 No. YD027 No. XA020 No. YD014 No. YD014 No. XA020 No. XA020 No. YD014 No. YD014 No. YD027 No. YD027 No. XA020 No. YD027 No. XA020 No. YD014 No. YD027 No. YD027 DR-M10SAA : DR-M10SAA2 : DR-MV1SAA : DR-MH30SAA : DR-M10SAG : DR-MH30SAG : DR-MV1SAS : DR-M10SAX : DR-MH30SAX : DR-M10STW : DR-MH30STW : No. YD025 No. YD025B No. YD036 No. YD044 No. YD025 No. YD044 No. YD036 No. YD025 No. YD044 No. YD046 No. YD026
ATTACHMENT ( ) NONE ( ) SCHEMATIC DIAGRAM
) EXPLODED VIEW ) COMPONENT/PWB LAYOUT
( ) ADJUSTMENT PROCEDURE ( ! ) SEE NEXT PAGE
VICTOR COMPANY OF JAPAN, LIMITED
AV & MULTIMEDIA COMPANY, GLOBAL QUALITY MANAGEMENT DEPARTMENT, CUSTOMER SATISFACTION CENTER [13000] 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama, Kanagawa, 221-8528, Japan TEL:+81-45-450-2552 FAX:+81-45-450-2558
<Symptom> After make the power on mode for a while, the green or white noise and sound noise occurs and then become the loading sutiation.
<Cause> The clock of some type of IC1401 (DIGITAL BOARD ASSY) is unstable.
<Service measure> 1. Countermeasure for DR-M10, DR-MV1 Check the the DIGITAL BOARD ASSY No. Then select the relevant coumtermesure from the below table according to the DIGITAL BOARD ASSY No. Then do the relevant cuontermesure as shown below.
MODELS DR-M10SUS DR-M10SUC DR-M10SUJ DR-M10BE DR-M10SEU DR-M10SEK DR-M10BEK DR-M10SEF DIGITAL BOARD ASSY No. LPA10236-01A, B, C LPA10236-01D LPA10236-01E ~ LPA10236-03A, B, C LPA10236-03D LPA10236-03E COUNTERMESURE IN SERVICE A B NEED NOT A B NEED NOT A B NEED NOT A B NEED NOT A B NEED NOT A B NEED NOT A B NEED NOT A B NEED NOT A B NEED NOT A B NEED NOT A B NEED NOT A B NEED NOT A B NEED NOT CARRIED OUT COUNTERMESURE IN FACTRORY FOR VIDEO CLOCK FOR AUDIO CLOCK NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH
DR-MV1SUS LPA10236-05A, B, C, D DR-MV1SUC DR-MV1SUJ LPA10236-05E, F SR-MV30US LPA10236-05G ~ DR-MV1SEU LPA10236-06A, B DR-MV1BEU DR-MV1SEK LPA10236-06C DR-MV1BEK DR-MV1SEF LPA10236-06D~ DR-M10SAA LPA10236-07A LPA10236-07B LPA10236-07C ~ DR-M10SAA2 LPA10236-11A LPA10236-11B LPA10236-11C ~ DR-M10SER LPA10236-08A LPA10236-08B LPA10236-08C ~ DR-M10SAG LPA10236-10A LPA10236-10B LPA10236-10C ~ DR-M10SAX LPA10236-12A LPA10236-12B LPA10236-12C ~ DR-M10STW LPA10236-13A, B, C LPA10236-13D LPA10236-13E ~ DR-MV1SAA LPA10236-17A LPA10236-17B, C LPA10236-17D ~ DR-MV1SAS LPA10236-20A LPA10236-20B LPA10236-20C ~ SR-MV50US LPA10236-21A LPA10236-21B LPA10236-21C ~

NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH
NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH
A) Add a SUB PWB ASSY (YB20820F1) on the DIGITAL BOARD ASSY as shown below. #500SPACER: PU59915-105(100pcs/1sheet)

ASSY No.

#500 SPACER R1478

YB20820F

#500 SPACER
B) Add a SUB PWB ASSY (YB20820F1) on the DIGITAL BOARD ASSY as shown below. #500SPACER: PU59915-105(100pcs/1sheet)
REMOVE THE WIRE AT THIS POINT.
2. Countermeasure for DR-MH20, DR-MH30, DR-MX1 Check the the DIGITAL BOARD ASSY No. Then select the relevant coumtermesure from the below table according to the the DIGITAL BOARD ASSY No. Then do the relevant cuontermesure as shown below.
MODELS DR-MH20SUS DR-MH30SUS DR-MH20SUC DR-MH30SUC DR-MH20SUJ DR-MH30SUJ DR-MH30STW DR-MH20SE DR-MH30SE DR-MH20SEK DR-MH30SEK DR-MH30SER DR-MH20SEF DR-MH30SEF DR-MH30SAA DR-MH30SAG DR-MH30SAX DIGITAL BOARD ASSY No. LPA10247-01A, B, C LPA10247-01D LPA10247-01E LPA10247-01F ~ LPA10247-03A, B, C, D COUNTERMESURE IN SERVICE A B C NEED NOT A CARRIED OUT COUNTERMESURE IN FACTRORY FOR VIDEO CLOCK FOR AUDIO CLOCK NOT COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH COMPLIED WITH NOT COMPLIED WITH COMPLIED WITH

NOT COMPLIED WITH NOT COMPLIED WITH

LPA10247-03E

LPA10247-03F

COMPLIED WITH

NOT COMPLIED WITH

LPA10247-03G ~

NEED NOT

DR-MX1SUS

LPA10247-05A, B, C LPA10247-05D ~

C NEED NOT

COMPLIED WITH COMPLIED WITH
NOT COMPLIED WITH COMPLIED WITH
A) Add a SUB PWB ASSY (LPA20044-001A) on the DIGITAL BOARD ASSY as shown below. #500SPACER: PU59915-105(100pcs/1sheet)

LPA20044 -001A

B) Add a SUB PWB ASSY (LPA20044-001A) on the DIGITAL BOARD ASSY as shown below. #500SPACER: PU59915-105(100pcs/1sheet)

R1420 R1414

C) Add a SUB PWB ASSY (LPA20044-001A) on the DIGITAL BOARD ASSY as shown below. #500SPACER: PU59915-105(100pcs/1sheet)