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DISK UNIT BKNW-116 MAINTENANCE MANUAL 1st Edition (Revised 1) Serial No. 10001 and Higher (SY) Serial No. 30001 and Higher (J)
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! WARNING This manual is intended for qualified service personnel only. To reduce the risk of electric shock, fire or injury, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Refer all servicing to qualified service personnel.
BKNW-116..Operation manual (Supplied with BKNW-116.) This manual is necessary for application and operation of the BKNW-116..Installation manual (Supplied with BKNW-116.) This manual describes the information that is required to install.
Pay careful attention to the following when handlings the HDD alone. Notes when carrying or keeping the HDD Pack the HDD using the specified packing materials when carrying or keeping the HDD. Moreover, choose the method which the HDD is not subject to the vibration when carrying. 5 (E) BKNW-116...
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Handle the HDD that is removed because of a trouble or failure in the same manner as a normal HDD following above precautions. Then pack the HDD using the specified packing materials, contact your local Sony Sales Office/Service Center. 6 (E)
Even if POWER switch is turned OFF, primary side voltage is applied to POWER switch. Therefore, in case of work which does not require electricity, turn off the POWER switch and then pull out the power cord before starting the work. 1-1 (E) BKNW-116...
HDD unit 3 HDD unit Hard disk drives CN-1667 boards CN-1668 boards SE-378 board All HDD units have the same configuration. * : CN-1753 board is applicable to only the units which serial No. is 10001 through 10052. 1-2 (E) BKNW-116...
Lights up when over current is detected in warm up circuit of HDD unit 3 (SE-378 board). D403 U4 INF Lights up when over current is detected in warm up circuit of HDD unit 4 (SE-378 board). 1-3 (E) BKNW-116...
HDD CUT OFF ON: ERROR information notice to host is fixed as no error/alarm state (WARMUP=Hi and ERROR=Lo). (So that various investigations can be carried out while connected to the host.) OFF: Normal state * : S1, S3 and S4 are push switches. 1-4 (E) BKNW-116...
Lens holder PWH3 x 6 B4 x 6 (Black) B4 x 6 B4 x 6 Front panel B4 x 6 PWH3 x 6 (Black) PWH3 x 5 PWH3 x 5 Bottom plate PWH3 x 5 PWH3 x 5 1-6 (E) BKNW-116...
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Pay sufficient attention to avoid subjecting the hard disk drive to shock. (1) Place the unit with the side facing downwards. (2) Remove the five screws (PWH3 x 5) and remove the bottom plate. Attach it in the reverse order of procedure for removal. 1-7 (E) BKNW-116...
(4) Attach the filter on the front panel. (5) Attach the front panel. 1-7-2. Replacement It is recommended to replace the filter if it is damaged. Remove the damaged filter and replace with the new one referring to Section 1-7-1. 1-8 (E) BKNW-116...
This error does not effect performance itself just after occurrence. However, if the unit is used continu- ously in this state, HDD might be damaged due to increase internal temperature. (1) Stop the operation of the hybrid recorder to abort the access to BKNW-116. (2) Turn off the power of this unit and the hybrid recorder.
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(1) Turn off the power of this unit and hybrid recorder. (2) Check the power supply line (power supply cable, POWER switch, supply power voltage, etc.). (3) Measure to recover from the error, then turn on the power again. 1-10 (E) BKNW-116...
Components marked ! are critical to safe operation. Therefore, specified parts should be used in the case of replacement. 2. Standardization of Parts Some repair parts supplied by Sony differ from those used for the unit. These are because of parts commonality and improvement. Parts list has the present standardized repair parts.
-12 with the one of suffix -13 and higher. For the part No. of power supply unit, check the label affixed to the portion shown in the figure. RPS-5110A MODEL Check hear 1-468-134- PART NO. SER. NO. E73362 MADE IN JAPAN Power supply unit Label 2-1 (E) BKNW-116...
2-2-2. Removal/Installation of HDD Unit This section explains the methods for removal and installation of HDD unit in the BKNW-116. For the method for removal of the hard disk drive from HDD unit and replacement it, refer to “2-2-3. Removal/Installation of Hard Disk Drive”.
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26-pin 28-pin HDD unit 4 HDD unit 3 HDD unit 1 HDD unit 2 < Connection 2 > Connection of SCSI cable to HDD units HDD unit 4 HDD unit 3 HDD unit 1 HDD unit 2 2-3 (E) BKNW-116...
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Turn off the power and wait till a heat up device cools when replacing HDDs or its peripheral parts. Removal 1. Removal of upper lid Refer to Section 1-6. 2. Removal of bracket PWH3 x 5 (1) Unscrew the four screws and remove the bracket. PWH3 x 5 Bracket 2-4 (E) BKNW-116...
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IF-715 board (5) Disconnect the three harnesses shown in the figure from the IF-715 board. (6) Free SE harness and UNIT harness from wire holder 4. HDD unit 2 Wire holder4 2-5 (E) BKNW-116...
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Place the SCSI cable gently so that the hard disk drives do not receive any shock. (7) Remove the HDD unit by the same way as (5) to (8) of upper HDD unit removal. 4. Replacement of hard disk drive Refer to Section 2-2-3. 2-6 (E) BKNW-116...
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HDD unit is specified. Refer to “Connection 1” on page2-3 (E) and connect them properly. (4) Bundle the SE harness and UNIT harness with a wire holder. (5) Connect the two 68-pin connectors to the HDD unit. Wire holder 68-pin connectors 2-7 (E) BKNW-116...
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Refer to Section 1-6. To IF-715 board To HDD unit 3 HDD unit 3 To IF-715 board To SCSI connector To HDD unit 2 HDD unit 4 To IF-715 board To SCSI connector To IF-715 board To HDD unit 1 2-8 (E) BKNW-116...
Never use the former ratchet type torque driver. Preparation 1. Turn off the power and wait for more than 30 seconds. Removal 1. Removal of HDD unit Refer to procedure 1 to 3 in Section 2-2-2. 2-9 (E) BKNW-116...
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HDD cushion directly. (4) Disconnect the harness from the connector (8P) of the hard disk drive to be removed. (5) Unscrew the four unify screws. Connector(8P) HDD bracket Place the hard disk drives on the HDD cushion directly. 2-10 (E) BKNW-116...
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(7) Disconnect the harness from the connector of the removed hard disk drive. Harness HDD unit 3. Removal of CN-1667/1668 boards (1) Peel off the tape. (2) Remove the CN-1667/1668 boards from the Tape hard disk drive. Hard disk drive CN-1668 board CN-1667 board 2-11 (E) BKNW-116...
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(3) Fix the hard disk drive to HDD unit with the four unify screws. Tightening torque: 98 x 10 {10kgf.cm} (4) Connect the harness to the connector on the hard disk drive (8P). Hard disk drive Connector (8P) 2-12 (E) BKNW-116...
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(5) Place the HDD unit gently on the HDD cushion with the hard disk drive attached upside down. Wire holders (6) Bundle the harnesses with the wire holders. Wire holder Harness 6. Installation of HDD unit Refer to procedure 5 of Section 2-2-2. 2-13 (E) BKNW-116...
1. Turn off the power and wait for more than 30 seconds. 2. Pull out the power cord from AC outlet. Turn off the power and wait till a heat up device cools when replacing HDDs or its peripheral parts. 2-14 (E) BKNW-116...
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3 Free the harness which is connected to FP- 104 board from clamper and disconnect this harness. 4 Disconnect the harness which is connected to AC inlet. 5 Disconnect the harness which is connected to the POWER switch. 4Harness to AC inlet 2Clampers 2-15 (E) BKNW-116...
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SW cover and IF-715 board unit. (4) Remove the SW cover with the IF-715 board. Pay attention to avoid catching on the harness. Power supply unit Do not remove the ventilation sheet affixed to the back of the SW cover. 2-16 (E) BKNW-116...
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2-3. Replacement of Power Supply Unit 5. Removal of power supply unit (1) Lift up the power supply unit and remove it. Power supply unit Pay attention to avoid catching on the harness. 2-17 (E) BKNW-116...
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Clampers Clampers Clampers IF-715 board . Connect the harnesses of fans 1, 2 and 3, FAN 1 FAN 2 FAN 3 then bundle them with clampers. Clamper Clamper Clampers Clampers IF-715 board 2-18 (E) BKNW-116...
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(8) Connect the harness 3 to the IF-715 board. IF-715 board (9) Fix the fan shield plate with two screws CN holder (PWH3 x 5). B3 x 30 Fan bracket Harnesses45 CN101 CN102 9. Attachment of upper lid Refer to Section 1-6. 2-19 (E) BKNW-116...
1. Turn off the power and wait for more than 30 seconds. 2. Pull out the power cord from AC outlet. Turn off the power and wait till a heat up device cools when replacing HDDs or its peripheral parts. 2-20 (E) BKNW-116...
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3 Free the harness which is connected to FP- 104 board from clamper and disconnect this harness. 4 Disconnect the harness which is connected to AC inlet. 5 Disconnect the harness which is connected to the POWER switch. 4Harness to AC inlet 2Clampers 2-21 (E) BKNW-116...
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Power supply unit (3) Move the SW cover with the power supply unit. SW cover and IF-715 board (4) Remove the SW cover with the IF-715 board. Pay attention to avoid catching on the harness. Power supply unit 2-22 (E) BKNW-116...
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2-3. Replacement of Power Supply Unit 5. Removal of power supply unit (1) Lift up the power supply unit and remove it. Power supply unit Pay attention to avoid catching on the harness. 2-23 (E) BKNW-116...
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Clampers Clampers Clampers IF-715 board . Connect the harnesses of fans 1, 2 and 3, FAN 1 FAN 2 FAN 3 then bundle them with clampers. Clamper Clamper Clampers Clampers IF-715 board 2-24 (E) BKNW-116...
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(4) Bundle the harnesses 1 and 2 in the How to bundle harnesses IF-715 board clampers 1 and 2 as shown in the figure. Harness2 of Clampers power-cooling-fan Power-cooling-fan Harness1 of power supply unit 9. Attachment of upper lid Refer to Section 1-6. 2-25 (E) BKNW-116...
-12 and higher, disconnect the two harnesses of power-cooling-fan. 4. When the board No. suffix of the IF-715 IF-715 board board is -11, disconnect the harness (4P) 3Clampers from the connector on the CN-1753 board. 5Harnesses of power-cooling-fan CN-1753 board 2-26 (E) BKNW-116...
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CN102 6. Disconnect the harnesses from CN1 and CN3 on the CN-1753 board, connect them to CN101 and CN102 on the IF-715 board. 7. Attach the upper lid (Refer to Section 1-6). CN-1753 board 2-27 (E) BKNW-116...
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PWH3 x 5 Install in the reverse order of removal. However, for connection of harnesses of fans 1 to 6, refer to IF-715 board installation procedure 8 in “2-3. Replacement of Power Supply Unit” and connect it properly. 2-28 (E) BKNW-116...
5. Unsolder and remove the SE harness from the SE-378 board. Never unbind the clampers on the HDD Connector bracket. Connector 6. Unscrew the eight stepped screws. Stepped screws 7. Lift up the HDD bracket and remove it. HDD bracket Stepped screws 2-29 (E) BKNW-116...
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Transisitors Transisitors SE-378 board HDD sub bracket B2.6 x 5 Hard disk drives Installation 1. When installing the new SE-378 board, unsolder and remove the harness. The removed harness here is not re-used. Harness SE-378 board Unsolder 2-30 (E) BKNW-116...
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5 on SE-378 board. Connector 4. Connect the harnesses which was disconnect- ed in removal step 4 to the connectors. (Three HDD unit portions) 5. Install the HDD unit referring to “Installa- tion” in Section 2-2-2. Solder Clampers Connector Connector 2-31 (E) BKNW-116...
..In the case of CN-1668 board CN-1667 board 4. Peel off the tape. 5. Disconnect the harness from the connector (CN3) on the CN-1667 board. 6. Remove the CN-1668 board from the hard HDD unit disk drive. 7. Peel off the cushion. 2-32 (E) BKNW-116...
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CN-1668 board, align to pin 1 side of each connector. When fixing the harness with new tape, use the following tape with cutting it in 2.5 cm. Pin 1 side of J2 connector Scotch electrical tape, flame-resistant film No.10 (or equivalent) 2-33 (E) BKNW-116...
Connector 5. Disconnect the harness from the connector. Stepped screw Harness Retainer 6. Unscrew the two screws on B side of the FP- 104 board and remove the lens holder. FP-104 board Screws Lens holder 2-34 (E) BKNW-116...
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. As shown in the figure, fit a stepped screw in screw hole of the FP-104 board. . Check that the board moves as clearance FP-104 board between screw and stepped screw hole. Connector Stepped screw Harness Retainer 2-35 (E) BKNW-116...
CN-1753 board. 5. Unscrew the five screws and remove the fan Harnnesses2 shield plate. 6. Move the CN-1753 board in the direction of the arrow and remove it. 3 x 5 Harnness3 CN-1753 board IF-715 board Connector(4P) Clamper1 2-36 (E) BKNW-116...
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Section 2-4-1.) (3) Disconnect the harness 3 from CN1 on the IF-715 board. This harness is not need. (4) Connect the harness of power supply unit (Harness 1 in the figure) to CN1 on the IF- 715 board. 2-37 (E) BKNW-116...
Section 3 Spare Parts 3-1. Exploded Views Title Page Cabinet, front side IF-715 board, power supply unit HDD unit assembly (1) (4) HDD unit assembly (2) (3) Rear side 3-10 Screws 3-12 BKNW-116...
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B4 x 6 PWH3 x 5 B4 x 6 BVTP 3 x 10 PWH3 x 5 PS4 x 14 PWH3 x 5 PS4 x 14 P3 x 6 3 x 6 PWH3 x 5 PWH3 x 5 PWH3 x 6 BKNW-116...
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3-681-054-11 s POWER SW GUARD 3-686-159-01 o SHIELD FINGERS (B) 3-687-263-01 s SCREW, STEP 3-688-102-01 o SPACER, M4 3-688-814-31 s CAP, SWITCH 3-697-443-02 o CABINET(R) 3-697-444-02 o CABINET(L) 7-624-102-04 s STOP RING 1.5, TYPE-E 2-353-825-03 o CUSHION 3-615-985-01 o SIDEPANEL PAD BKNW-116...
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HDD unit assembly(2) PWH3 x 5 3 x 5 PWH3 x 5 3 x 5 PWH3 x 5 PWH3 x 5 PSW4 x 8 B3 x 30 PSW4 x 8 B3 x 30 HDD unit assembly(4) HDD unit assembly(3) 3-4 (b) BKNW-116...
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SP Description A-8318-791-A o MOUNTED CIRCUIT BOARD, IF-715 1-468-134-13 s REGULATOR, SWITCHING 1-958-651-11 o HARNESS, SUB (GROUND 1) 1-958-652-11 o HARNESS, SUB (GROUND 2) 3-686-073-01 o CLAMP, HARNESS 4-617-314-01 o CLAMP 1-698-840-21 s FAN, DC (60 SQUARE) 3-5 (b) BKNW-116...
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PWH3 x 5 3 x 5 PWH3 x 5 3 x 5 PWH3 x 5 PWH3 x 5 B3 x 30 PSW4 x 8 PSW4 x 8 B3 x 30 HDD unit assembly(4) B3 x 30 HDD unit assembly(3) 3-4 (a) BKNW-116...
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1-468-134-13 s REGULATOR, SWITCHING 1-958-651-11 o HARNESS, SUB (GROUND 1) 1-958-652-11 o HARNESS, SUB (GROUND 2) 3-686-073-01 o CLAMP, HARNESS 4-617-314-01 o CLAMP 1-698-840-21 s FAN, DC (60 SQUARE) 3-615-983-01 o CN HOLDER 3-615-984-01 o PLATE, FAN SHIELD 3-5 (a) BKNW-116...
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HDD unit assembly (1) (4) B2.6 x 5 B2 x 3 B2.6 x 5 B2 x 3 B2 x 3 BKNW-116...
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3-606-424-02 o SHEET, PROTECTION 3-609-748-01 s SCREW (M3) 3-613-796-02 o AEROPLATE L 3-613-802-02 o BRACKET, HDD 3-646-076-00 o CLIP, CABLE (7R) 3-660-815-01 o CLIP, CABLE 4-316-015-00 o HOLDER, WIRE 4-613-955-11 s SCREW +B6-32 (UNC) A-8319-932-A s HDD ASSY (RP) BKNW-116...
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HDD unit assembly (2) (3) B2.6 x 5 B2 x 3 B2.6 x 5 B2 x 3 BKNW-116...
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3-606-424-02 o SHEET, PROTECTION 3-609-748-01 s SCREW (M3) 3-613-795-02 o AEROPLATE R 3-613-802-02 o BRACKET, HDD 3-646-076-00 o CLIP, CABLE (7R) 3-660-815-01 o CLIP, CABLE 4-316-015-00 o HOLDER, WIRE 4-613-955-11 s SCREW +B6-32 (UNC) A-8319-932-A s HDD ASSY (RP) BKNW-116...
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Rear side B3 x 8 B3 x 30 B3 x 30 B3 x 30 B3 x 30 B3 x 30 3-10 BKNW-116...
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X-2068-004-0 s TERMINAL ASSY 1-424-451-11 s FILTER, NOISE (GL-2060M) "AC INLET" 1-698-812-21 s FAN, DC (80 SQUARE) 1-783-552-11 o CABLE ASSEMBLY, FLAT 68P SCSI 2-068-008-00 s WASHER 2-990-241-02 s HOLDER (A), PLUG X-3604-653-1 o COVER, FAN ASSY 3-696-798-01 s SCREW 3-11 BKNW-116...
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7-682-560-04 o SCREW +B 4X6 7-682-664-01 s SCREW +PS 4X14 7-682-903-01 s SCREW +PWH 3X5 7-682-903-19 s SCREW +PWH 3X6, BLACK 7-682-948-01 s SCREW +PSW 3X8 7-682-961-09 s SCREW +PSW 4X8 7-685-647-79 s SCREW +BVTP 3X10 TYPE2, IT-3 3-12 BKNW-116...
1-783-552-11 o CABLE ASSEMBLY, FLAT 68P SCSI J1-DC 1-508-424-11 o HOUSING, AC 4P 4pcs 1-535-714-11 o CONTACT, AC, FEMALE *1: Serial No. 10001 through 10052 only (for SY model) Serial No. 30001 through 30005 only (for J model) 3-13 BKNW-116...
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1-561-514-00 o HOUSING, IL-G 2P 2pcs 1-560-372-00 o CONTACT, IL-G, FEMALE, AWG22-28 CN101*b 1-569-196-11 o HOUSING, 3P 3pcs 1-569-193-11 o CONTACT, FEMALE, AWG24-30 CN102*b 1-569-196-11 o HOUSING, 3P 3pcs 1-569-193-11 o CONTACT, FEMALE, AWG24-30 b: BOARD No. suffix -12 3-14 BKNW-116...
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1-580-542-11 o CONNECTOR, LY 26P, MALE IC102 8-759-242-78 s IC TC7W02FU CN23 1-560-356-00 o CONNECTOR, IL-G 2P, MALE IC103 8-759-035-93 s IC SC7S32F CN31 1-778-249-11 o CONNECTOR, 10P, MALE IC104 8-759-035-93 s IC SC7S32F *a: BOARD No.suffix -11 *b: BOARD No.suffix -12 3-17 BKNW-116...
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1-216-009-00 s METAL, CHIP 22 5% 1/10W (2012) 1-216-089-00 s METAL, CHIP 47K 5% 1/10W (2012) 1-216-049-00 s METAL, CHIP 1.0K 5% 1/10W (2012) 1-216-089-00 s METAL, CHIP 47K 5% 1/10W (2012) 1-216-073-00 s METAL, CHIP 10K 5% 1/10W (2012) *b: BOARD No.suffix -12 3-18 BKNW-116...
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1-220-246-11 s METAL, CHIP 1.5 10% 1/2W (4532) 1-692-271-31 s SWITCH, DIP 8-CKT 1-216-679-11 s METAL, CHIP 15K 0.5% 1/10W (2012) 1-220-246-11 s METAL, CHIP 1.5 10% 1/2W (4532) 1-216-679-11 s METAL, CHIP 15K 0.5% 1/10W (2012) *a: BOARD No.suffix -11 *b: BOARD No.suffix -12 3-19 BKNW-116...
2-12 L:TEMP TEST CUR CHECK ALARM H;DISP ERR H;HUP IF 71 When IF-715 board's suffix is -11, this circuit is on CN-1753 board. +12V 14-1 H;FAN7 ERR FAN(7,8) (Q19) 14-3 +12V FAN POWER(7,8) (Q20) 15-1 H;FAN8 ERR 15-3 Overall BKNW-116...
S-10K 1/2W 1/2W S-10K 1/2W 1/2W 1/2W CN1(7/8) H:SV HDD WARM UP IC2(2/2) NJM2219M 1/2W R47 1/2W 1/2W 1/2W 1/2W 1/2W 1/2W 1/2W 1/2W 1/2W 0.022 CN1(2/8) WARMUP CUR CN1(8/8) SENS ANA SE-378 BOARD NO. 1-663-883-12 LOT NO. 605- BKNW-116...
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42-30 CN42(22/30) CN42(30/30) L;HDD7 OK L;U4 LOW TEMP2 42-8 L;HDD7 OK IC402(2/2) C406 CN42(8/30) UNIT4 SE POWER IC404 L;HDD8 OK TC7W02F 42-23 L;HDD8 OK CN42(23/30) TC7S32F 43-1 +12V UNIT4 TST UNIT4 UNIT4 CN43(1/2) 43-2 CN43(2/2) 6-2 (b) 6-2 (b) BKNW-116...
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L;HDD CUT OFF 10-8 5V-2 1S2837 1S2837 L;HALF CHECK UNIT CHECK L;TEMP TEST H;UNIT CHECK L;FAN TEST L;WU TEST L;HDD CUT OFF Main System Controller IF-715 BOARD NO. 1-669-696-12 LOT NO. 804- 6-3 (b) 6-3 (b) 6-3 (b) 6-3 (b) BKNW-116...
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42-30 CN42(22/30) CN42(30/30) L;HDD7 OK L;U4 LOW TEMP2 42-8 L;HDD7 OK IC402(2/2) CN42(8/30) C406 UNIT4 SE POWER L;HDD8 OK IC404 TC7W02F 42-23 L;HDD8 OK TC7S32F CN42(23/30) UNIT4 43-1 +12V UNIT4 TST UNIT4 CN43(1/2) 43-2 CN43(2/2) 6-2 (a) 6-2 (a) BKNW-116...
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L;HDD CUT OFF 10-8 5V-2 1S2837 1S2837 L;HALF CHECK UNIT CHECK L;TEMP TEST H;UNIT CHECK L;FAN TEST L;WU TEST L;HDD CUT OFF Main System Controller IF-715 BOARD NO. 1-669-696-11 LOT NO. 711-803 6-3 (a) 6-3 (a) 6-3 (a) 6-3 (a) BKNW-116...
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Serial No.30001 through 30005(J model) Refer to (2/2) for detail Refer to (2/2) for detail HDD8(ID-9) SE-378 HDD7(ID-8) of CN-1667 and CN-1668 boards of CN-1667 and CN-1668 boards SCSI 68P SCSI 68P UNIT4 68P SCSI CABLE 6-4 (b) 6-4 (b) BKNW-116...
Refer to (2/2) for detail Refer to (2/2) for detail HDD2(ID-3) SE-378 HDD1(ID-2) of CN-1667 and CN-1668 boards of CN-1667 and CN-1668 boards SCSI 68P SCSI 68P Frame (1/2) UNIT1 IF-715 board's suffix is -12 and higher. 6-5 (b) 6-5 (b) BKNW-116...
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Refer to (2/2) for detail Refer to (2/2) for detail HDD8(ID-9) SE-378 HDD7(ID-8) of CN-1667 and CN-1668 boards of CN-1667 and CN-1668 boards FAN6 FAN6 SCSI 68P SCSI 68P +12V H;FAN6 ERR UNIT4 68P SCSI CABLE 6-4 (a) 6-4 (a) BKNW-116...
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Refer to (2/2) for detail Refer to (2/2) for detail HDD2(ID-3) SE-378 HDD1(ID-2) of CN-1667 and CN-1668 boards of CN-1667 and CN-1668 boards SCSI 68P SCSI 68P Frame (1/2) UNIT1 IF-715 board's suffix is -11. 6-5 (a) 6-5 (a) BKNW-116...
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IF-715 HDD6 ENABLE TERM ODD DTC144EKA L;HDD OK ENABLE TERM EVEN (0.5mA) (64µA) (0.5mA) CN-1668 C-TA BOARD NO.1-669-699-11 UNIT3 HDD5 HDD2 * The same as above. CN42(30PIN) CN32(28PIN) All UNITs have a same circuit. HDD7 UNIT4 HDD8 Frame (2/2) BKNW-116...
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The material contained in this manual consists of and all other exposed metal parts for AC information that is the property of Sony Corporation and leakage. Check leakage as described below. is intended solely for use by the purchasers of the equipment described in this manual.