SERVICE MANUAL DIGITAL VIDEO CAMERA YF124 2006 GR-D370UC, GR-D370US, GR-D371US, GR-D375UC, GR-D375US, GR-D390UC, GR-D390US, GR-D395US, GR-D396US GR-D370UCM, GR-D370USM, GR-D371USM, GR-D375UCM, GR-D375USM, GR-D390UCM, GR-D390USM, GR-D395USM, GR-D396USM [M6D1S5] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.YF081(MECHANISM ASSEMBLY).
SPECIFICATION Camcorder For General Power supply DC 11 V (Using AC Adapter) DC 7.2 V (Using battery pack) Power consumption Approx. 2.8 W (3.0 W*) (LCD monitor off, viewfinder on) Approx. 3.2 W (3.4 W*) (LCD monitor on, viewfinder off) Approx.
SECTION 1 PRECAUTIONS SAFTY PRECAUTIONS Prior to shipment from the factory, JVC products are strictly emission. Consequently, when servicing these products, inspected to conform with the recognized product safety and replace the cathode ray tubes and other parts with only the electrical codes of the countries in which they are to be specified parts.
1.1.2 Safety Check after Servicing Examine the area surrounding the repaired location for damage (4) Leakage current test or deterioration. Observe that screws, parts and wires have been Confirm specified or lower leakage current between earth returned to original positions, Afterwards, perform the following ground/power cord plug prongs and externally exposed tests and confirm the specified values in order to verify accessible parts (RF terminals, antenna terminals, video...
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS DIFFERENCE LIST The following table indicate main different points between models GR-D370UC, GR-D370US, GR-D371US, GR-D375UC, GR-D375US, GR-D390UC, GR-D390US, GR-D395US and GR-D396US. MODEL NAME GR-D370UC GR-D370US GR-D371US NO(OPTIONAL) NO(OPTIONAL) NO(OPTIONAL) MEMORY CARD REMOTE CONTROL RM-V720U BATTERY PACK...
SECTION 3 DISASSEMBLY BEFORE ASSEMBLY AND DISASSEMBLY 3.1.4 Tools required for disassembly and assembly 3.1.1 Precautions Torque driver Tweezers YTU94088 • Be sure to disconnect the power supply unit prior to mounting YTU94088-003 P-895 and soldering of parts. • Prior to removing a component part that needs to disconnect its connector(s) and its screw(s), first disconnect the wire(s) from the connector(s), and then remove the screw(s).
3.2.2 ASSEMBLY/DISASSEMBLY OF CABINET PARTS AND ELECTRICAL PARTS Disassembly procedure NOTE12: STEP Fig. PART NAME POINT NOTE During the procedure, be careful not to damage the SWITCH. FA1-1 S1a,2(S1b),3(S1c),S1d NOTE1a UPPER ASSY During the procedure, leave the CASS. COVER closed. FA1-2 L1a,L1b,CN1 NOTE1b...
0.088N m(0.9kgf cm)  L15a   (S16) CN15a (S16) (S16) (S16) L14a L15b (S15) <MECHANISM SIDE> (S14) (S14) CN15b L14b CN15c CN15e (S14) CN15d  Fig.FA9 Fig.FA10 3.2.3 ASSEMBLY/DISASSEMBLY OF  MONITOR ASSEMBLY CAUTIONS NOTE4c: (1) During the procedure, be careful in handling the LCD During the procedure, handle the three parts (LCD MODULE and other parts.
<NOTE4a> <NOTE4f> M.COVER ASSY HINGE ASSY (S4b) H.COVER(U) BOTTOM VIEW (S4a) (S4a) NOTE4e,f U/D SW BOARD CN4b MAGNET NOTE4b CN4a (S4a) H.COVER(L) MONITOR BOARD ASSY SHEET(M.REF) <NOTE4d> S pole N pole MAGNET LIGHT GUIDE HINGE COVER(L) SHEET(M.DIFF) MONITOR CASE SIDE S.CASE(MONI) SHEET(BEF) SUPPORT PLATE...
3.2.4 ASSEMBLY/DISASSEMBLY OF  OP BLOCK ASSMBLY/CCD BOARD ASSEMBLY Precautions Assembly of OP BLOCK ASSEMBLY / CCD BOARD AS- (1) Take care in handling the CCD IMAGE SENSOR, OPTI- SEMBLY CAL LPF and lens components when performing main- (1) Set the OPTICAL LPF first, and then the SHEET to the tenance etc., especially with regard to surface OP BLOCK ASSEMBLY.
3.2.5 ASSEMBLY/DISASSEMBLY OF  VF ASSEMBLY Before disassembly NOTE9c: As the VF ASSEMBLY has complicated structure, do not dis- During the procedure, be careful in handling the parts. assemble if not needed. Pay special attention not to damage, soil, or leave fin- When assembling, be careful to prevent dust or any foreign gerprints on the surface.
SECTION 4 ADJUSTMENT PREPARATION 4.1.3 TOOLS REQUIRED FOR ADJUSTMENT 4.1.1 Precaution Torque Driver Tweezers Camera system and deck system of this model are specially YTU94088 YTU94088-003 P-895 adjusted by using PC. However, if parts such as the following are replaced, an adjustment is required.
• Chip IC replacement jig JIG CONNECTOR CABLE CONNECTION To be used for adjustment of the camera system. 4.2.1 CAUTIONS • Cleaning cloth (1) Only 9 of 30pins of JIG CONNECTOR CABLE(PN:YTU93106B) Recommended the Cleaning cloth to wipe down the video are extended with wires.
MECHANISM COMPATIBILITY ADJUSTMENT 4.3.1 Tape pattern adjustment NOTE: Prior to the adjustment, remove the COVER (ADJ). (1) Play back the compatibility adjustment tape. (2) While triggering the HID, observe the waveform of ENV_OUT. (3) Set the manual tracking mode (ATF OFF). (4) Confirm that the waveform is entirely parallel and straight, and free from remarkable level-down, through the tracking operation.
SECTION 5 TROUBLE SHOOTING SERVICE NOTE 1-20 (No.YF124)
EMERGENCY DISPLAY Example (in case of the error number E01): Whenever some abnormal signal is input to the syscon CPU, an error number (E01 and E04, as an example) is displayed on the LCD monitor or (in the electronic view finder).In every error UNIT IN REMOVE AND REATTACH status, such the message as shown below alter nately appear...
Victor Company of Japan, Limited Camcorder Category 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YF124) Printed in Japan...