Page 1
DATA PROJECTOR VPL-FX52 VPL-FX52L SERVICE MANUAL 1st Edition (Revised 1)
Page 2
For more information regarding recycling of re- chargeable batteries, call toll free 1-800-822-8837, or visit http://www.rbrc.org/ Caution: Do not handle damaged or leaking Lithium-Ion batteries. VPL-FX52/FX52L...
Page 3
Gerät abschaltet und signalisiert “Batterie leer” oder nach längerer Gebrauchsdauer der Batterien “nicht mehr einwandfrei funktioniert”. Um sicherzugehen, kleben Sie die Batteriepole z.B. mit einem Klebestreifen ab oder geben Sie die Batterien einzeln in einen Plastikbeutel. 1 (P) VPL-FX52/FX52L...
Page 4
Hävitä käytetty paristo valmistajan ohjeiden Remplacer uniquement avec une batterie du même mukaisesti. type ou d’un type équivalent recommandé par le constructeur. Mettre au rebut les batteries usagées conformément aux instructions du fabricant. 2 (P) VPL-FX52/FX52L...
1-2-1. Top Cabinet Assy Removal Two claws Three claws 2 Remove the lens cover assy in the direction of the arrow. 1 Loosen the two screws. (Special screw M4) 5 Top cabinet assy 3 Screw (+B 4x10) CN2200 4 Six screws (+B 4x10) VPL-FX52/FX52L...
(+BVTP 4x10) 1-2-3. GA Board Removal CN301 CN105 CN302 CN303 CN101 CN202 2 Six screws (+PSW 3x8) CN201 3 Insulating sheet GA 4 Remove the GA board in the direction of the arrow. CN103 1 Two screws (+PS 4x12) VPL-FX52/FX52L...
4 S board CN2400 1-2-5. Lamp Fan Duct Assy Removal 1 Screw 2 DC fan (Sirocco) (+PSW 3x8) 3 Loosen the three screws 4 Remove the lamp fan duct assy in the direction of the arrow. Connector (3P) Connector (3P) VPL-FX52/FX52L...
![ Bch in-polarization panel Note on replacing the OUT-POLARIZER ASSY. There are two combination methods when replacing the OUT-POLARIZER ASSY. Check which one of the combination methods is to be used when replacing the OUT-POLARIZER ASSY. (Refer to 4-11) VPL-FX52/FX52L...
7 B block holder 5 B sheet 4 Two screws (+PSW 3x8) 6 Two screws (+PSW 3x8) 1 Two screws 2 Disconnect the two cords. (+PSW 4x10) CN3011 3 Remove the B block assy CN3001 in the direction of the arrow A. VPL-FX52/FX52L...
1 Two screws (+PSW 3x8) 2 Four screws (+PSW 3x8) 3 Lamp power supply 1-2-10. Lens Assy Removal (VPL-FX52) Stopper (Chassis side) Stopper (Lens side) * When replace a Lens Assy, secure the lens assy to where it stops at the stopper of chassis.
1-2-12. DC Fan Removal * To remove the DC fan, remove the C board beforehand. Four claws 3 Lamp duct (top) 4 Two screws (+PSW 3x25) 1 Three screws 5 DC fan (+PSW 4x10) 2 Lamp duct (bottom) Connector (3P) VPL-FX52/FX52L...
(+PSW 3x8) 4 Three screws (+PSW 3x8) CN2100 8 QA board CN2101 5 QB board CN2000 6 Four screws 3 Two screws 1 Three screws (+PSW 4x10) 2 Remove the connector block assy in the direction of the arrow. VPL-FX52/FX52L...
Cable 2P B-QB x 1 XC-C x 1 Cable 9P Cable 3P B-QB x 1 XC-C x 1 Cable 4P XC-C x 1 Cable 7P XC-C x 1 Cable 11P XC-C x 1 Cable 50P XC-C x 1 1-10 VPL-FX52/FX52L...
Select [Yes : ↑]. [Supplementary information: How to Exit the Factory Mode] Perform the step 3 KEY operation. The message [Do you want to return to the User Mode? Yes : ↑ No : ↓] appears. Select [Yes : ↑]. VPL-FX52/FX52L...
INPUT-C connector, and set the GAIN and BIAS for 1. If the white balance is significantly poor, perform the the white balance LOW mode to the following values, white balance adjustment. . (Refer to Section “2-5. then SAVE. White Balance Adjustment”.) GAIN BIAS GREEN BLUE VPL-FX52/FX52L...
GREEN BLUE 2. Measure the chromaticity (x, y) at the center of the screen. 3. Adjust the GAIN R and GAIN B in the LOW mode of W/B until the chromaticity (x, y) becomes (0.313, 0.330). 4. SAVE. 2-10 VPL-FX52/FX52L...
Dynamic Dynamic Picture Memory Standard Standard Dynamic Dynamic Standard Standard Dynamic Dynamic Standard Standard Picture Picture Memory Memory Dynamic Dynamic Standard Standard Dynamic Dynamic Standard Standard CPU RAM External NVM CPU ROM Memory Initialize Active memory copy 2-11 VPL-FX52/FX52L...
Page 30
The adjustment items (W/B, Device Adjust) that can be adjusted in the Service Mode or in the Factory Mode, are memorized in the NVM at the time when the user performs adjustment and performs the memory operation. Note that the factory adjustment data will be lost at this moment. 2-12 VPL-FX52/FX52L...
Ne les remplacer que par une pièce portant le numéro spécifié. 2. Standardization of Parts Some repair parts supplied by Sony differ from those used for the unit. These are because of parts common- ality and improvement. Parts List has the present standardized repair parts.
Page 39
1-763-874-12 s FAN, D.C. 2-659-940-01 s MASK 3-701-822-11 s HOLDER, WIRE 4-812-134-21 s RIVET, NYLON 3.5 4-640-554-31 s CABLE CLAMP 7-682-568-09 s SCREW +B 4X30 7-682-948-01 s SCREW +PSW 3X8 7-682-962-01 s SCREW +PSW 4X10 7-682-663-09 s SCREW +PS 4X12 VPL-FX52/FX52L...
Page 41
A-1142-792-A s MOUNTED CIRCUIT BOARD, S 2-660-998-01 s SHEET, LAMP FAN 4-640-554-31 s CABLE CLAMP 7-682-663-09 s SCREW +PS 4X12 7-682-948-01 s SCREW +PSW 3X8 7-682-954-09 s SCREW +PSW 3X25 7-682-962-01 s SCREW +PSW 4X10 7-685-660-11 s SCREW +BVTP 4X10 VPL-FX52/FX52L...
Page 43
2-658-379-01 s COVER, FILTER (IN) 4-033-712-01 s WASHER 4-047-260-02 s SCREW (B)(4X15) 4-083-191-01 o RIVET 2-664-769-02 s CUSHION (M) 7-682-248-09 o SCREW +K 3X8 7-682-948-01 s SCREW +PSW 3X8 7-682-962-01 s SCREW +PSW 4X10 7-682-562-09 s SCREW +B 4X10 VPL-FX52/FX52L...
Page 45
Optical Unit Part No. SP Description A-1158-674-A s OPTICAL BLOCK (G) ASSY 9-885-096-87 s PROJECTION LENS (VPL-FX52) 9-885-012-55 s CAP, LENS (VPL-FX52) A-1158-675-A s PRISM BLOCK (G) ASSY 9-885-097-04 s OUT-POLARIZER (R) JSB ASSY 9-885-097-05 s OUT-POLARIZER (R) JRB ASSY...
Page 46
8-753-251-93 LCX023JSB-3 429 B 8-753-251-92 LCX023JRB-1 Check the combination of the Combination 2 part numbers to the left by looking 427 R 8-753-251-94 LCX023JSB-2 at this part of the LCD. 428 G 8-753-251-90 LCX023JRB-2 429 B 8-753-251-95 LCX023JSB-1 4-12 VPL-FX52/FX52L...
1-164-854-11 s CAPACITOR,CHIP CERAMIC 15PF/50 C1130 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C1240 1-164-854-11 s CAPACITOR,CHIP CERAMIC 15PF/50 C1131 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C1241 1-128-004-11 s CAPACITOR ELECT 10MF/16V(CHIP) C1134 1-126-395-11 s CAPACITOR,ELECT 22MF/16V(CHIP) C1242 1-131-992-11 s CAP, CERAMIC 100000PF F 1608 4-13 VPL-FX52/FX52L...
Page 48
1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V C1343 1-124-778-00 s CAPACITOR,ELECT 22MF/6.3V C1518 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V C1344 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V C1519 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V C1400 1-164-868-11 s CAPACITOR,CHIP CERAMIC 56PF C1520 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V 4-14 VPL-FX52/FX52L...
Page 49
1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C1823 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C2005 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C1824 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C2006 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C1825 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C2007 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF 4-15 VPL-FX52/FX52L...
Page 50
FB2004 1-469-670-11 s FERRITE, EMI (SMD) C2200 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V FB2005 1-469-670-11 s FERRITE, EMI (SMD) C2201 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V FB2100 1-414-921-11 s INDUCTOR, FERRITE BEAD C2202 1-165-908-11 s CAP, CERAMIC 1MF B 1608 4-16 VPL-FX52/FX52L...
Page 51
6-805-992-01 s IC S29AL016D70TFI020-823IP100 Q1404 8-729-905-35 s TRANSISTOR 2SC4081-R IC2004 6-704-843-01 s IC AIC1117A-PEJTR IC2100 6-703-012-01 s IC R2061K01-E2 Q1405 8-729-905-35 s TRANSISTOR 2SC4081-R IC2102 6-705-177-01 s IC W95640-WDW6T Q1406 8-729-026-53 s TRANSISTOR 2SA1576A-T106-QR Q1407 8-729-905-35 s TRANSISTOR 2SC4081-R 4-17 VPL-FX52/FX52L...
Page 52
1-218-941-81 s RESISTOR,CHIP 100,1/16W (1005) R1200 1-218-953-11 s RESISTOR, CHIP 1K 1/16W R1049 1-218-965-11 s RESISTOR, CHIP 10K 1/16W R1201 1-218-955-11 s RESISTOR, CHIP 1.5K R1050 1-218-973-11 s RESISTOR,CHIP 47K 1/16W (1005) R1202 1-218-949-11 s RESISTOR,CHIP 470 1/16W 4-18 VPL-FX52/FX52L...
Page 53
1-208-663-11 s RESISTOR CHIP 150 1/16W (1005) R1418 1-218-977-11 s RESISTOR,CHIP 100K 1/16W(1005) R1261 1-208-663-11 s RESISTOR CHIP 150 1/16W (1005) R1419 1-218-976-11 s RESISTOR, CHIP 82K 1/16W(1005) R1262 1-208-663-11 s RESISTOR CHIP 150 1/16W (1005) R1420 1-218-973-11 s RESISTOR,CHIP 47K 1/16W (1005) 4-19 VPL-FX52/FX52L...
Page 54
1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) R1828 1-218-965-11 s RESISTOR, CHIP 10K 1/16W R1501 1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) R1830 1-218-965-11 s RESISTOR, CHIP 10K 1/16W R1502 1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) R1833 1-218-937-11 s RESISTOR, CHIP 47 4-20 VPL-FX52/FX52L...
Page 55
1-218-859-11 s RESISTOR,CHIP 3.3K 1/10W(1608) R2126 1-208-659-11 s RESISTOR CHIP 100 1/16W (1005) R2014 1-208-651-11 s RESISTOR CHIP 47 1/16W (1005) R2127 1-208-651-11 s RESISTOR CHIP 47 1/16W (1005) R2015 1-218-285-11 s RESISTOR,CHIP 75 1/16W (1608) R2128 1-208-699-11 s RESISTOR,CHIP 4.7K 1/16W(1005) 4-21 VPL-FX52/FX52L...
Page 56
1-234-371-11 s RES, NETWORK 47X4 (1005) RB1805 1-234-371-11 s RES, NETWORK 47X4 (1005) RB1501 1-234-371-11 s RES, NETWORK 47X4 (1005) RB1806 1-234-371-11 s RES, NETWORK 47X4 (1005) RB1502 1-234-371-11 s RES, NETWORK 47X4 (1005) RB1807 1-234-371-11 s RES, NETWORK 47X4 (1005) 4-22 VPL-FX52/FX52L...
Page 57
1-535-757-11 s CHIP, CHECKER (CONNECTOR) TP1501 1-535-757-11 s CHIP, CHECKER (CONNECTOR) TP1502 1-535-757-11 s CHIP, CHECKER (CONNECTOR) TP1503 1-535-757-11 s CHIP, CHECKER (CONNECTOR) TP1504 1-535-757-11 s CHIP, CHECKER (CONNECTOR) TP1800 1-535-757-11 s CHIP, CHECKER (CONNECTOR) TP1900 1-535-757-11 s CHIP, CHECKER (CONNECTOR) 4-23 VPL-FX52/FX52L...
Page 58
1-115-339-11 s CAPACITOR,CERAMIC 0.1MF/50V CN3100 1-815-339-21 o PIN, CONNECTOR CN3101 1-785-306-21 o CONNECTOR, BOARD TO BOARD C3317 1-164-874-11 s CAPACITOR,CHIP CERAMIC 100PF CN3200 1-779-884-11 s PLUG, CONNECTOR 4P C3318 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF CN3300 1-794-823-61 s CONNECTOR (ZIF), FPC/FFC 32P 4-24 VPL-FX52/FX52L...
Page 59
1-218-965-11 s RESISTOR, CHIP 10K 1/16W IC3102 6-701-174-01 s IC MM1573DNLE R3013 1-218-965-11 s RESISTOR, CHIP 10K 1/16W R3014 1-218-973-11 s RESISTOR,CHIP 47K 1/16W (1005) IC3201 8-759-831-52 s IC TC7WH125FK(TE85R) IC3202 8-759-447-77 s IC TC7WH74FU (TE12R) R3015 1-218-973-11 s RESISTOR,CHIP 47K 1/16W (1005) 4-25 VPL-FX52/FX52L...
Page 60
1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) RB3212 1-234-371-11 s RES, NETWORK 47X4 (1005) R3253 1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) RB3213 1-234-371-11 s RES, NETWORK 47X4 (1005) R3301 1-218-965-11 s RESISTOR, CHIP 10K 1/16W RB3214 1-234-371-11 s RES, NETWORK 47X4 (1005) 4-26 VPL-FX52/FX52L...
Page 61
1-127-692-91 s CAP, CHIP CERAMIC 10MF B 3216 C238 1-125-891-11 s CAPACITOR CERAMIC 0.47MF/10V C322 1-164-227-11 s CAPACITOR,CERAMIC 0.022MF/25V C323 1-107-826-11 s CAPACITOR,CHIP CERAMIC 0.1MF C324 1-131-998-11 s CAP, SOLID ELECT 82MF 6.3 V C325 1-128-589-11 s CAPACITOR ELECT 47MF/6.3V(105C C326 1-164-227-11 s CAPACITOR,CERAMIC 0.022MF/25V 4-27 VPL-FX52/FX52L...
Page 62
1-216-833-11 s RESISTOR,CHIP 10K 1/10W (1608) IC205 6-708-371-01 s IC MP1580HS-LF-Z R119 1-218-899-11 s RESISTOR,CHIP 150K 1/10W(1608) R120 1-218-904-11 s RESISTOR,CHIP 240K 1/10W(1608) IC303 8-759-937-36 s IC TL1451ACNS R121 1-216-833-11 s RESISTOR,CHIP 10K 1/10W (1608) IC304 8-759-100-93 s IC UPC393G2 4-28 VPL-FX52/FX52L...
Page 63
1-218-863-11 s RESISTOR,CHIP 4.7K 1/10W(1608) VDR101 1-804-995-21 s VARISTOR VDR102 1-804-996-21 s VARISTOR R234 1-216-825-11 s RESISTOR,CHIP 2.2K 1/10W 1608 R235 1-216-821-11 s RESISTOR,CHIP 1.0K 1/10W(1608) R236 1-216-827-11 s RESISTOR, CHIP 3.3K 1/10W 1608 R237 1-216-841-11 s RESISTOR, CHIP 47K 1/10W 1608 4-29 VPL-FX52/FX52L...
Page 64
1-216-833-11 s RESISTOR,CHIP 10K 1/10W (1608) D503 8-719-036-94 s DIODE RD5.6SB-T1 R430 1-216-851-11 s RESISTOR,CHIP 330K 1/16W 1608 D504 8-719-036-94 s DIODE RD5.6SB-T1 D505 8-719-036-94 s DIODE RD5.6SB-T1 R431 1-216-821-11 s RESISTOR,CHIP 1.0K 1/10W(1608) R432 1-216-833-11 s RESISTOR,CHIP 10K 1/10W (1608) 4-30 VPL-FX52/FX52L...
Page 65
1-771-105-11 s SWITCH, TACTILE S801 1-771-105-11 s SWITCH, TACTILE S802 1-771-105-11 s SWITCH, TACTILE S803 1-771-215-11 s SWITCH, TACTILE S804 1-771-105-11 s SWITCH, TACTILE S805 1-771-105-11 s SWITCH, TACTILE S806 1-771-105-11 s SWITCH, TACTILE S807 1-771-105-11 s SWITCH, TACTILE 4-31 VPL-FX52/FX52L...
Page 66
1-115-156-11 s CAPACITOR,CERAMIC 1MF/10V(1608 C307 1-164-505-11 s CAPACITOR,CHIP CERAMIC 2.2MF C308 1-126-209-11 s CAPACITOR,ELECT 100MF/4V C309 1-164-505-11 s CAPACITOR,CHIP CERAMIC 2.2MF C310 1-126-209-11 s CAPACITOR,ELECT 100MF/4V C311 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C312 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF 4-32 VPL-FX52/FX52L...
Page 67
1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) FB301 1-414-921-11 s INDUCTOR, FERRITE BEAD R131 1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) R132 1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) FB302 1-414-921-11 s INDUCTOR, FERRITE BEAD R133 1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) 4-33 VPL-FX52/FX52L...
Page 68
1-218-929-11 s RESISTOR,CHIP 10 1/16W (1005) R400 1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) R209 1-218-935-11 s RESISTOR,CHIP 33 1/16W (1005) R401 1-218-990-11 s RESISTOR,CHIP 0 1/16W (1005) R210 1-218-935-11 s RESISTOR,CHIP 33 1/16W (1005) R402 1-218-937-11 s RESISTOR, CHIP 47 4-34 VPL-FX52/FX52L...
Page 69
FB502 1-412-363-11 s FERRITE, EMI (SMD) IC500 8-759-285-61 s IC PC74HC123D-T IC501 8-759-252-59 s IC MAX202CSE J500 1-563-935-11 s JACK (DIA 3.5)(BLK) J501 1-563-935-11 s JACK (DIA 3.5)(BLK) L500 1-414-771-91 s INDUCTOR 10.0UH L501 1-414-771-91 s INDUCTOR 10.0UH 4-35 VPL-FX52/FX52L...
Page 70
1-218-969-11 s RESISTOR,CHIP 22K 1/16W (1005) R539 1-218-972-11 s RESISTOR,CHIP 39K 1/16W (1005) R540 1-218-945-11 s RESISTOR,CHIP 220 1/16W(1005) R541 1-218-945-11 s RESISTOR,CHIP 220 1/16W(1005) R542 1-218-969-11 s RESISTOR,CHIP 22K 1/16W (1005) R543 1-218-972-11 s RESISTOR,CHIP 39K 1/16W (1005) RY500 1-755-384-21 s RELAY 4-36 VPL-FX52/FX52L...
Page 75
SYS CLK TP1400 SCK/CLK BUFF GCLK2 Q1404 Q1406 TP1401 PEAK TMDS DE1 HOLD ADC EN +9V-3 Q1402 CN1101(2/4) IC1401 IC1404 TP1403 +3.3V-2 OUT H PEAK HOLD OUT V D1600 QA BOARD BUFF CN401 Q1401 Q1403 PEAK HOLD PC DTV VPL-FX52/FX52L...
Page 76
FCEN DS CLK OUT ROM WEN DS CLK SYS CLK ROMWE ROM WEN ROMOE ROM OEN IC1901 ROM OEN SPREAD MCKEXT BHEN BHENN X651 SPECTRUM 16.384MHz BOOT WE BOOT WE DCKEXT VPPEN VPPEN IC1903 IC1902 RESETN RESET 1 RESET VPL-FX52/FX52L...
Page 81
Section 6 Diagrams Index Board Name Function Page RGB Input Buffer S-Video Input Main CPU, Signal Processor 6-11 Main CPU 6-28 Key Matrix 6-37 EMI Filter 6-37 Cover Switch 6-37 Active Filter 6-39 DC-DC Converter 6-44 VPL-FX52/FX52L...
LAMP PROT LAMP PROT LAMP LED GCLK GCLK P.SAVE LED LAMP ON LAMP ON P.SAVE LED TMDS_EN TMDS_EN LAMP COVER LAMP MODE LAMP MODE LAMP COVER WRITE EN WRITE EN FIL COVER POWER ON POWER ON FIL COVER FRAME VPL-FX52/FX52L...
Page 109
D 3 0 0 0 R 3 0 1 6 R 3 0 0 3 F B 3 0 1 5 R 3 4 0 4 C 3 0 0 7 T H 3 0 0 1 -B SIDE- SUFFIX: -11 6-29 6-29 VPL-FX52/FX52L...
Page 110
KEY0 KEY0 JL3027JL3028JL3029JL3030JL3031 JL3019 XX FB3007 POWER_LED POWER LED JL3020 XX FB3008 TEMP LED TEMP_LED JL3021 XX FB3009 LAMP_LED LAMP LED JL3022 XX FB3010 P_SAVE_LED P.SAVE LED JL3014 XX FB3011 LAMP_COVER 5D;8F LAMP COVER (1/6) (INPUT BUFFER) 6-30 6-30 VPL-FX52/FX52L...
Page 111
OSD EN FCON1 FAN_CONT1 C3104 C3105 C3106 FCON2 FAN_CONT2 0.01 6.3V FPRO FAN PROT 1005 1005 2012 POWER_PROT POWER PROT 1:5D LAMP_PROT LAMP PROT LAMP_ON 1:4C LAMP ON LAMP_MODE 1:4C LAMP MODE POWER_ON POWER ON (2/6) (VOLTAGE DET./REG.) 6-31 6-31 VPL-FX52/FX52L...
Page 112
C3203 1005 1/16W 100p C3216 CHIP CN3200 CHIP C3214 R3204 JL3200 XX 1005 +3.3 1/16W CHIP TP3200 JL3201 XX W SCL 1005 JL3202 XX W SDA (3/6) JL3203 XX R3205 (3D GAMMA & TG) AD/FC 1/16W CHIP 6-32 6-32 VPL-FX52/FX52L...
Page 127
2 V AC range are suitable. (See Fig. A) To Exposed Metal Parts on Set 0.15 µ F 1.5 k Z voltmeter (0.75V) Earth Ground Fig A. Using an AC voltmeter to check AC leakage. VPL-FX52/FX52L...