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SERVICE MANUAL
COMPACT VHS CAMCORDER
2
YF073
2005
GR-AXM17US, GR-SXM35UC,
GR-SXM37UC, GR-SXM37US
For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY).
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
TABLE OF CONTENTS
COPYRIGHT © 2005 Victor Company of Japan, Limited
GR-AXM17US[M5A622],
GR-SXM35UC,GR-SXM37UC,
GR-SXM37US[M5C623]
No.YF073
2005/2
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Summary of Contents for JVC GR-AXM17US
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Page 1: Table Of Contents
SERVICE MANUAL COMPACT VHS CAMCORDER YF073 2005 GR-AXM17US, GR-SXM35UC, GR-SXM37UC, GR-SXM37US GR-AXM17US[M5A622], GR-SXM35UC,GR-SXM37UC, GR-SXM37US[M5C623] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY). TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS . - Page 2 Storage temperature -20°C to 50°C(-4°F to 122°F) Weight Approx. 770 g(1.7 lbs.)(GR-AXM17US only) /,774 g(1.71 lbs.) Dimensions (W × H × D) 81 mm × 125 mm × 216 mm(3-1/4” × 4-15/16” × 8-9/16”) (with the LCD monitor closed and with the viewfinder fully tilted downward) Pickup 1/6"...
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Page 3: Precaution
SECTION 1 PRECAUTION 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. - Page 4 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...
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Page 5: Specific Service Instructions
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS DIFFERENCE LIST The following table indicate main different points between models GR-AXM17US, GR-SXM35UC, GR-SXM37UC AND GR- SXM37US. MODEL GR-AXM17US GR-SXM35UC GR-SXM37UC GR-SXM37US TAPE FORMAT VHS-C S-VHS-C S-VHS-C S-VHS-C BUILT-IN LIGHT(LAMP) A / V CABLE PROVIDE... -
Page 6: Disassembly
SECTION 3 DISASSEMBLY BEFORE ASSEMBLY AND DISASSEMBLY • 3.1.1 Precautions Torque driver • Be sure to disconnect the power supply unit prior to mounting Be sure to use to fastening the mechanism and exterior parts and soldering of parts. because those parts must strictly be controlled for tightening •... - Page 7 3.2.2 ASSEMBLY/DISASSEMBLY OF CABINET PARTS AND ELECTRICAL PARTS Disassembly procedure Destination of connectors STEP Fig. CN.NO. CONNECTOR PART NAME POINT NOTE CASE COVER(M) ASSY S1,2(L1) CN2a MAIN CN27 SPEAKER LOWER CASE ASSY 7(S2),CN2a,CN2b CN2b MAIN CN13 ZOOM UNIT TOP COVER ASSY S3,CN3a, CN3b CN3a MAIN...
- Page 8 (S1) C.COVER INSIDE Fig.FA1 <BOTTOM SIDE> L5a L5b L4 NOTE5 CN3b CN2b CN3a (S3b) (S5) (S5) (S5) CN1a CN1a CN2a FFC WIRE (S2) (S3a) (S4) (S2) (S4) (S2) <BOTTOM SIDE> (S2) (S2) (S2) OP BLOCK ASSY (S2) Fig.FA2 1-8 (No.YF073)
- Page 9 NOTE6 (S6a) (S6b) (S6a) (S6a) (S6a) (S6a) Fig.FA3 NOTE8a (S8b) SWITCH (S8b) (S8a) NOTE8c (S7a) DO NOT MAKE FPC (S7b) SLACKEN IN THIS PART. NOTE8d PROCESSED THROUGH THIS PART. (S7a) SHEET(FPC) NOTE8b SHEET(FPC) AS FOR PUSH SW, DON'T BE INSTALL THE RAINFORCEMENT BROKEN AND DON'T FLOAT .
- Page 10 : 0.118N . m (1.2kgf . cm) [12] (S9) (S12) NOTE9a (S12) NOTE12 <WIREING> CN9a FOIL SIDE(B) CN9b SHIELD NOTE9b [10] PASS THE WIRE BETWEEN (S10) THESE BOSSES. LIGHT WIRE DO NOT OBSTRUCT THE RECEIVING PART OF SENSOR BY WIRE . (S11) PASS THE WIRE OUTSIDE OF...
- Page 11 [18] (S18b) (S18a) CN13c (S18b) CN13b CN13d CN13a SHIELD NOTE17 [17] CN13e CN13f CN13g [13] CN13j (S17a) (S13) CN13h (S18a) (S13) (S17b) Fig.FA6 Fig.FA8 [15] [19] [20] [16] NOTE16 (S15) [14] (S14b) (S14a) (S19) (S19) (S14a) Fig.FA7 Fig.FA9 (No.YF073)1-11...
- Page 12 3.2.3 ASSEMBLY/DISASSEMBLY OF [5] VF ASSEMBLY Prior to disassembly Disassembly procedure VF ASSEMBLY mainly consists of two CABINET PARTS (UP- STEP Fig. PER CASE (VF)/ BOTTOM CASE (VF)), and LCD SA/LENS PART NAME POINT NOTE SA inside. UPPER CASE(VF) VF1,2 2(S5a),2(S5b),2(L5a),2(L5b) NOTE5a,b As LCD SA and LENS SA are each consist of several parts,...
- Page 13 UPPER CASE (VF) (S5c) (S5c) (S5a) BOTTOM CASE(VF) (S5a) LCD SA /LENS SA NOTE5b NOTE5a VF BRACKET ASSY BOTTOM CASE (VF) (S5b) : 0.098N . m (1.0kgf . cm) : 0.098N . m (1.0kgf . cm) (S5b) Fig.VF1 Fig.VF3 <NOTE5a,b> NOTE5b NOTE5c LENS SA...
- Page 14 <LENS SA> NOTE5f LEVER(VF) GUIDE(LENS) NOTE5e,f LENS ASSY NOTE5g COMPRESSION SPRING SHAFT(VF) HOLDER(EYE) NOTE5e SHEET(LENS) <LCD SA> EYE CUP CASE(B.LIGHT) NOTE5e SHEET(DIFF) NOTE5e SHEET(POLA.1) CUSHION(LCD) STOPER(POLA) NOTE5e LCD MODULE NOTE5e SHEET(POLA.2) GUIDE(LCD) HOLDER(LCD) Fig.VF5 1-14 (No.YF073)
- Page 15 3.2.4 ASSEMBLY/DISASSEMBLY OF [8] MONITOR ASSEMBLY Disassembly of MONITOR ASSEMBLY NOTE : Be careful not to soil or scratch the monitor screen through MONITOR COVER the disassembly/assembly work. ASSY (1) While removing the three screws 1 to 3 in numerical NOTE8a order and disengaging the four hooks (L8a and L8b) in alphabetical order, remove the MONITOR COVER...
- Page 16 3.2.5 ASSEMBLY AND DISASSEMBLY OF [16] OP BLOCK ASSEMBLY AND CCD BOARD ASSEMBLY Precautions Assembly of CCD BASE ASSEMBLY and CCD BOARD AS- (1) Take care in handling the CCD IMAGE SENSOR, OP SEMBLY LPF and lens components when performing mainte- (1) Set the OP LPF to the OP BLOCK ASSEMBLY so that nance etc., especially with regard to surface contamina- the OP side touches the OP BLOCK ASSEMBLY.
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Page 17: Adjustment
SECTION 4 ADJUSTMENT PREPARATION 4.1.3 TOOLS REQUIRED FOR ADJUSTMENT 4.1.1 Precaution Alignment tape Alignment tape Cassette torque meter MHP-C MHP-LC PUJ50431-2 Camera system and deck system of this model are specially adjusted by using PC. However, if parts such as the following are replaced, an adjustment is required. - Page 18 • Conn. ring JIG CONNECTOR CABLE CONNECTION The connector ring to attach the INF lens to the head of the OP Connection procedure lens. For the usage of the Conn.ring. • INF Adjustment Lens To be used for adjustment of the camera system. For the us- age of the INF adjustment lens, refer to the Service Bulletin No.
- Page 19 MECHANISM COMPATIBILITY ADJUSTMENT 4.3.1 Tape transport adjustment BACK TENSION Mechanism adjustment is needed when DRUM ASSEMBLY or a 0.93x10 - 1.71x10 • PLAY TORQUE (10-17gf·cm) part of the tape transport system is replaced. To protect tapes 1.47x10 - 2.45x10 N·m from damage, first clean the tape transport system, next confirm (15-25gf·cm) that nothing is wrong with the tape transport system by using a...
- Page 20 (7) By operating the tracking button (both in + and - directions) 4.3.4 A/C head height & azimuth in the manual tracking mode, vary the output level of the Remove the exterior parts attached to the UPPER CASE FM waveform from maximum to minimum and vice versa to ASSEMBLY so that the screws around the A/C HEAD confirm that the waveform varies nearly in a flat shape.
- Page 21 4.3.5 Phase of control head (X value) Note: Remove the exterior parts attached to the UPPER CASE ASSEMBLY so that the screws around the A/C HEAD ASSEMBLY can be tighten or loosen. (1) Connect the JIG CONNECTOR CABLE to CN25 on the MAIN BOARD ASSEMBLY.
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Page 22: Troubleshooting
SECTION 5 TROUBLESHOOTING SERVICE NOTE 1-22 (No.YF073) - Page 23 5.2 TAKE OUT CASSETTE TAPE In the event that the set enters the emergency mode as it is (4) While holding down the cassette housing by hand, con- loaded with a cassette tape and the cassette tape cannot be nect the jumper wires to a battery to run the mechanism ejected with the EJECT button, manually, take it out of the set to the EJECT position four unloading.
- Page 24 5.3 EMERGENCY DISPLAY Example (in case of the error number E01): Whenever some abnormal signal is input to the mechacon CPU, an error number (E01, as an example) is displayed in the elec- tronic view finder. In every error status, such the message as UNIT IN REMOVE AND shown below alternately appear over and over.
- Page 25 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY CAMCORDER CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YF073) Printed in Japan...