Table of Contents
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SLV-E325EG/E475EG/E570EE/E570EG/E715B/E717VC/E720B/E720BZ/E720EE/
E720EG/E720EX/E720NC/E720NP/E720UX/E720VC/E720VP/E725NC
SERVICE MANUAL
j
H MECHANISM
• Refer to the SERVICE MANUAL of VHS MECHANICAL
ADJUSTMENTS
for MECHANICAL ADJUSTMENTS.
(9-973-623-11)
MICROFILM
RMT-V197/V197A/V197B/V198/V198A/V198K/V198J/V199/V199A
Photo : SLV-E720B
SPECIFICATIONS
East European Model
SLV-E325EG/E475EG/E570EE/
E570EG/E720EE/E720EG
French Model
SLV-E715B/E720B/E720BZ
North European Model
Spanish Model
Germany Model
Austrian Model
Germany Model
VIDEO CASSETTE RECORDER
Greek Model
Irish Model
SLV-E720EX
SLV-E720NC/E725NC
SLV-E720NP
UK Model
SLV-E720UX
SLV-E717VC/E720VC
SLV-E720VP
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Table of Contents
Related Manuals for Sony SLV-E325EG
Summary of Contents for Sony SLV-E325EG
- Page 1 SLV-E325EG/E475EG/E570EE/E570EG/E715B/E717VC/E720B/E720BZ/E720EE/ E720EG/E720EX/E720NC/E720NP/E720UX/E720VC/E720VP/E725NC RMT-V197/V197A/V197B/V198/V198A/V198K/V198J/V199/V199A East European Model SERVICE MANUAL Greek Model SLV-E325EG/E475EG/E570EE/ E570EG/E720EE/E720EG French Model SLV-E715B/E720B/E720BZ Irish Model SLV-E720EX North European Model SLV-E720NC/E725NC Spanish Model SLV-E720NP UK Model Photo : SLV-E720B SLV-E720UX Germany Model SLV-E717VC/E720VC H MECHANISM Austrian Model • Refer to the SERVICE MANUAL of VHS MECHANICAL...
- Page 2 [ DIFFERENT SPECIFICATIONS ] SAFETY CHECK-OUT After correcting the original service problem, perform the following safety checks before releasing the set to the customer. Check the area of your repair for unsoldered or poorly-soldered Look for parts which, through functioning, show obvious signs connections.
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Page 3: Table Of Contents
TABLE OF CONTENTS SERVICE NOTE • MA-286 (OSD) SCHEMATIC DIAGRAM ··············· 4-19 • MA-286 (TUNER) SCHEMATIC DIAGRAM ········· 4-21 HOW TO RETURN THE PINCH ROLLER, GUIDE • MA-286 (I/O) SCHEMATIC DIAGRAM ················· 4-23 ROLLER AND ELEVATOR CAM TO STOP MODE ······ 4 •... -
Page 4: Service Note
SLV-E325EG/E475EG/E570EE/E570EG/E620B/E620VC/E720B/E720BZ/E720EE/ E720EG/E720EX/E720NC/E720NP/E720UX/E720VC/E720VP/E725NC SERVICE NOTE HOW TO RETURN THE PINCH HOW TO REMOVE A CASSETTE ROLLER, GUIDE ROLLER AND FROM A MACHINE IF A CASSETTE ELEVATOR CAM TO STOP MODE IS LEFT IN A MACHINE IN TROUBLE Remove the VHS MD assembly from the machine. (Refer to Execute the section 2, and keep rotating the flywheel-1. -
Page 19: Disassembly
SLV-E325EG/E475EG/E570EE/E570EG/E715B/E717VC/E720B/E720BZ/E720EE/ E720EG/E720EX/E720NC/E720NP/E720UX/E720VC/E720VP/E725NC SECTION 2 DISASSEMBLY NOTE : Follow the disassembly procedure in the numerical order given. 2-1. CASE AND FRONT ASSEMBLY 1 Tapping screws Case Front Panel assembly 3 Claws 1 Tapping screws 3 Claws 4 Flexible flat cable (from CN441 on DM-62 board) (E570 only) 2-2. -
Page 20: Board (With Dm-62 Board)
2-3. RP-217 BOARD 3 Screws 1 Flexible board (from the drum ) RP-217 board 3 Screw 2 Connector 2 Connector (from FE head) (from ACE assembly) 2-4. MECHANISM DECK ASSEMBLY (H MECHANISM) 1 Connector 2 Screws (from CN101 on MA-286 board) Mechanism deck assembly (H Mechanism) 2 Screw... -
Page 21: And Ps-385 Boards
2-5. MA-286 AND PS-385 BOARDS 2 Slide this claw out from chassis 3 Screws Terminal fixing plate 3 Screws 1 Screw MA-286 board 3 Screw 3 Screw PS-385 board 3 Screw 2-6. CIRCUIT BOARDS LOCATION MA-286 VIDEO,AUDIO SERVO/SYSTEM CONTROL, RP-217 TUNER (HEAD AMP) FR-119... -
Page 22: Repair Parts List
SLV-E325EG/E475EG/E570EE/E570EG/E715B/E717VC/E720B/E720BZ/E720EE/ E720EG/E720EX/E720NC/E720NP/E720UX/E720VC/E720VP/E725NC SECTION 5 REPAIR PARTS LIST 5-1. EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number The components identified by mark ! or have some differences from the original one. -
Page 23: Chassis Assembly
5-1-2. CHASSIS ASSEMBLY H mechanism Q100 Q101 supplied supplied supplied R e f . N o . P a r t N o . D e s c r i p t i o n Remarks R e f . N o . P a r t N o . -
Page 24: Mechanism Deck Assembly-1
5-1-3. MECHANISM DECK ASSEMBLY-1 159 158 161 Ref. No. Part No. Description Ref. No. Part No. Description Remarks Remarks A-6759-603-A FL BLOCK ASSY 1-506-485-11 PIN, CONNECTOR 6P 3-958-467-01 SPRING, TENSION COIL 3-960-439-02 SPRING (ACE), COMPRESSION 3-970-471-01 SPRING, TORSION 3-942-867-01 NUT, AC HEIGHT ADJUSTMENT 3-958-488-03 PLATE, LIGHT GUIDE, END SENSOR 3-958-491-01 BASE, ACE 3-970-473-01 PLATE, LIGHT GUIDE, TOP SENSOR... -
Page 25: Mechanism Deck Assembly-2
5-1-4. MECHANISM DECK ASSEMBLY-2 R e f . N o . P a r t N o . D e s c r i p t i o n Remarks R e f . N o . P a r t N o . D e s c r i p t i o n Remarks X-3943-899-8 GROUND ASSY, SHAFT... -
Page 26: Mechanism Deck Assembly-3
5-1-5. MECHANISM DECK ASSEMBLY-3 M903 Ref. No. Part No. Description Ref. No. Part No. Description Remarks Remarks 3-959-840-11 RUBBER, JOINT 3-958-156-03 GEAR, FL DRIVING 3-958-159-01 W O R M 3-958-445-01 SPRING,TORSIONCOIL(CAP BRAKE) 3-958-460-01 SPRING, ONE-WAY X-3943-888-1 BRAKE ASSY, CAP 3-958-160-01 PROPELLOR X-3943-889-1 ARM ASSY, TENSION VEHICLE 3-958-155-01 BEARING, CAM MOTOR 3-958-361-01 BELT, TIMING... -
Page 27: Mechanism Deck Assembly-4
5-1-6. MECHANISM DECK ASSEMBLY-4 M902 R e f . N o . P a r t N o . D e s c r i p t i o n Remarks R e f . N o . P a r t N o . D e s c r i p t i o n Remarks A-6739-102-A RKB BLOCK ASSY... -
Page 28: Electrical Parts List
FR-119 DM-62 5-2. ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board naame. specified in the diagrams or the components METAL: metal-film resistor used on the set. - Page 29 FR-119 MA-286 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < IC > R405 1-216-029-00 METAL CHIP 1/10W R410 1-216-295-91 CONDUCTOR, CHIP(2012) (570) IC400 8-749-011-05 IC GP1U28X R411 1-216-069-00 METAL CHIP 6.8K 1/10W IC470 8-752-880-60 IC CXP82948-014Q (325,475,570,720EE,720EG) R412 1-216-075-00 METAL CHIP...
- Page 30 MA-286 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-6791-204-A MA-286 BOARD, COMPLETE (570EE) C221 1-163-251-11 CERAMIC CHIP 100PF (EXCEPT 325,475,720EE,720EG) *********************** A-6791-206-A MA-286 BOARD, COMPLETE (720BZ) C222 1-163-038-91 CERAMIC CHIP 0.1uF (EXCEPT 325,475,720EE,720EG) *********************** A-6791-207-A MA-286 BOARD, COMPLETE (720EG) C223 1-126-154-11 ELECT 47uF...
- Page 31 MA-286 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C367 1-126-960-11 ELECT C512 1-124-584-00 ELECT 100uF (EXCEPT 325,475,570,720EE,720EG) C513 1-163-234-11 CERAMIC CHIP 20PF C368 1-126-960-11 ELECT C514 1-163-234-11 CERAMIC CHIP 20PF (EXCEPT 325,475,570,720EE,720EG) C518 1-124-465-00 ELECT 0.47uF C369 1-126-964-11 ELECT...
- Page 32 MA-286 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C925 1-164-004-11 CERAMIC CHIP 0.1uF D545 8-719-109-97 DIODE RD6.8ES-B2 (715B,717VC,720B,720BZ,720NP,720VC) D546 8-719-109-97 DIODE RD6.8ES-B2 (715B,717VC,720,725) C926 1-164-004-11 CERAMIC CHIP 0.1uF D547 8-719-109-97 DIODE RD6.8ES-B2 (715B,717VC,720,725) D548 8-719-109-97 DIODE RD6.8ES-B2 (570EG,715B,717VC,720B,720BZ,720NP,720VC) C927 1-164-004-11 CERAMIC CHIP...
- Page 33 MA-286 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < IC > JR031 1-216-296-91 CONDUCTOR, CHIP(3216) JR032 1-216-295-91 CONDUCTOR, CHIP(2012) IC100 8-759-702-02 IC NJM062M JR033 1-216-296-91 CONDUCTOR, CHIP(3216) JR034 1-216-295-91 CONDUCTOR, CHIP(2012) IC130 8-759-353-59 IC LB1643 IC160 8-752-880-93 IC CXP87852-008Q (325)
- Page 34 MA-286 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks JS385 1-216-295-91 CONDUCTOR, CHIP(2012)(325,475,570) Q203 8-729-421-19 TRANSISTOR UN2213 (EXCEPT 325) JS389 1-216-295-91 CONDUCTOR, CHIP(2012) Q205 8-729-421-19 TRANSISTOR UN2213 (715B,720B,720BZ) (715B,717VC,720,725) Q208 8-729-422-27 TRANSISTOR 2SD601A-Q Q209 8-729-216-22 TRANSISTOR 2SA1162-G JS390 1-216-295-91 CONDUCTOR, CHIP(2012)(325,475,570) JS392...
- Page 35 MA-286 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R225 1-216-017-91 METAL GLAZE 1/10W R105 1-249-413-11 CARBON 1/4W F R106 1-216-089-91 METAL GLAZE 1/10W R228 1-216-057-00 METAL CHIP 2.2K 1/10W R107 1-216-089-91 METAL GLAZE 1/10W R229 1-216-055-00 METAL CHIP 1.8K 1/10W...
- Page 36 MA-286 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R521 1-216-025-91 METAL GLAZE 1/10W R369 1-216-689-11 METAL CHIP 0.5% 1/10W (715B,717VC,720,725) (325,475,570,715B,720B,720BZ,720EE,720EG) R370 1-216-061-00 METAL CHIP 3.3K 1/10W R522 1-216-049-91 METAL GLAZE 1/10W (325,475,570,715B,720B,720BZ,720EE,720EG) (715B,717VC,720,725) R371 1-208-820-11 METAL GLAZE 0.50% 1/10W R540...
- Page 37 MA-286 PS-385 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R734 1-216-049-91 METAL GLAZE 1/10W < MODULATOR > (715B,720B,720BZ,720EE,720EG) R850 1-216-025-91 METAL GLAZE 1/10W RFU700 1-475-058-11 MODULATOR, RF(RFU-2110) (715B,720B,720BZ) (EXCEPT 570EE,720EE) R851 1-216-079-00 METAL CHIP 1/10W RFU700 1-475-059-11 MODULATOR, RF(RFU-2101) (EXCEPT 570EE,720EE) (717VC,720EG,720EX,720NC,720NP,720UX,720VC,720VP,725NC)
- Page 38 PS-385 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C626 1-126-933-11 ELECT 100uF < IC LINK > C627 1-126-967-11 ELECT 47uF C628 1-128-551-11 ELECT 22uF ! PS600 1-532-841-21 LINK, IC 1.6A ! PS601 1-532-841-21 LINK, IC 1.6A C629 1-126-924-11 ELECT 330uF...
- Page 39 RP-217 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-6791-187-A RP-217 BOARD, COMPLETE C280 1-124-584-00 ELECT 100uF (715B,717VC,720,725) C282 1-164-232-11 CERAMIC CHIP 0.01uF C283 1-163-038-91 CERAMIC CHIP 0.1uF ********************** C284 1-163-038-91 CERAMIC CHIP 0.1uF A-6791-201-A RP-217 BOARD, COMPLETE(570) C286 1-124-584-00 ELECT 100uF...
- Page 40 RP-217 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < IC > R264 1-216-295-91 CONDUCTOR, CHIP(2012) R265 1-216-295-91 CONDUCTOR, CHIP(2012) (EXCEPT 325) IC140 8-759-438-83 IC BA6305F R266 1-216-053-00 METAL CHIP 1.5K 1/10W (325) IC141 8-759-510-73 IC BA10393F-E2 IC260 8-759-352-17 IC HA118195NT (EXCEPT 325) R266...
- Page 41 RP-217 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < TRANSFORMER > 3-858-884-51 MANUAL, INSTRUCTION (ENGLISH)(570EE) 3-858-884-61 MANUAL, INSTRUCTION (RUSSIAN)(570EE) T321 1-431-097-11 TRANSFORMER, BIAS OSCILLATION 3-858-885-11 MANUAL, INSTRUCTION (CZECH)(475) 3-858-885-21 MANUAL, INSTRUCTION (ENGLISH)(325) (EXCEPT 570) T321 1-431-100-11 TRANSFORMER, BIAS OSCILLATION (570) 3-858-885-31 MANUAL, INSTRUCTION (CZECH)(325) T331...
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Page 42: System Control - Servo Peripheral Circuit Interface
6-1. SYSTEM CONTROL — SERVO PERIPHERAL CIRCUIT INTERFACE (MA-286 BOARD IC160) TAPE TAPE PB INDEX Signal Pin No. STOP PB PAUSE SLOW REVIEW REC PAUSE THREADING UNTHREADING WRITING MA-286 IC160 7 REC CTL MA-286 IC160 #∞ CAP STOP O (O.D) Hi-Z (O.D) Hi-Z (O.D) Hi-Z (O.D) -
Page 43: System Control - System Control Peripheral Circuit Interface (Ma-286 Board Ic160)
6-2. SYSTEM CONTROL — MECHANISM INTERFACE (MA-286 BOARD IC160) CASSETTE CASSETTE TAPE TAPE Signal Pin No. EJECTED STOP PB PAUSE SLOW REVIEW LOADING UNLOADING THREADING UNTHREADING PAUSE MA-286 IC160 9 CAM2 CW Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z... -
Page 44: (Ma-286 Board Ic160)
6-5. SERVO/SYSTEM CONTROL MICROPROCESSOR PIN FUNCTIONS (MA-286 BOARD IC160) Pin No. Pin Name Function Pin No. Pin Name Function RF SWP RF switching pulse output. Tuner select switch. AF REC P “H” when HiFi audio REC. AVSS — Unswitched ground. —... -
Page 45: Tuner/Timer Mode Control Pin Function
6-6. TUNER/TIMER MODE CONTROL PIN FUNCTION (FR-119 BOARD IC470) Pin No. Pin Name Function Pin No. Pin Name Function PDC DAV Line 21H output pulse. SEG9 LCD segment output. DMS1 DMS A/D input. SEG8 LCD segment output. DMS2 DMS A/D input. SEG7 LCD segment output. -
Page 46: Adjustments
SLV-E325EG/E475EG/E570EE/E570EG/E715B/E717VC/E720B/E720BZ/E720EE/ E720EG/E720EX/E720NC/E720NP/E720UX/E720VC/E720VP/E725NC SECTION 7 ADJUSTMENTS 7-1 MECHANICAL ADJUSTMENTS 2-1-3. Input Signal Check Video signal produced by a pattern generator is used as an adjustment signal to perform electrical alignment for this unit. This video signal For the mechanical adjustments, please refer to the must satisfy the specification. -
Page 47: Input/Output Levels And Impedance
2-1-5. Input/Output Levels and Impedance 2-2. POWER SUPPLY CHECK 2-2-1. Output Voltage Check (MA-286 Board) Video input: LINE IN EURO Mode Input signal: 1Vp-p, 75ohms, unbalanced, Measuring Instrument Digital voltmeter sync negative SW 12V Check Video output: LINE OUT IC930 pin 2 EURO Measurement point Output signal: 1Vp-p, 75ohms, unbalanced,... -
Page 48: Servo System Check
2-3. SERVO SYSTEM CHECK 2-4. VIDEO SYSTEM CHECKS AND ADJUSTMENT Unless otherwise specified, set the switches to the following For the video system checks, follow the checking procedures given positions. below as a rule. The color bar video signal supplied from the pattern generator is used as the video input signal for the video system •... -
Page 49: Sync Agc Check (Ma-286 Board)
2-4-2. SYNC AGC Check (MA-286 Board) 2-4-4. Recording Y Level Check (MA-286 Board) Mode Mode Signal Color bar Signal No-signal IC201 pin #• IC201 pin !• Measurement point Measurement point Measuring instrument Oscilloscope Measuring instrument Oscilloscope Specified value A=2.10 ± 0.14Vp-p Specified value A=250 ±... -
Page 50: Playback Level Check (Ma-286 Board)
2-4-6. Playback Level Check (MA-286 Board) 2-5-1. ACE Head Adjustment Refer to the “VHS mechanical adjustment manual ” (9-973-623- Mode Playback 11). Signal Alignment Alignment tape : SP mode color bar portion 2-5-2. E-E Output Level Check Measurement point Video LINE OUT terminal Mode Measuring instrument Oscilloscope... -
Page 51: Adjustment Parts Location Diagram
2-6. ADJUSTMENT PARTS LOCATION DIAGRAM RP-217 BOARD (Comductor side) RF Switching Position CN261 MA-286 BOARD (Comductor side) EURO AV EURO AV AUDIO LINE OUT LINE IN/OUT 1 LINE IN/OUT 1 CN540 CN930 CJ540 PB LEVEL IC930 IC201 SW 12V 30 16 IC500 Xtal OSC SYNC AEC... - Page 52 SLV-E325EG/E475EG/E570EE/E570EG/E715B/E717VC/E720B/E720BZ/E720EE/ E720EG/E720EX/E720NC/E720NP/E720UX/E720VC/E720VP/E725NC Sony Corporation 97B1661-1 9-921-624-11 Printed in Japan © 1997.2 Home A&V Products Company Published by Service and Safety — 96 — Engineering Dept. (Osaki East)