Sony SLV-SE850, SLV-SF900, SLV-SF950, SLV-SF990 Service manual

SLV-SE850/SF900/SF950/SF990

RMT-V259M/V259N/V259P/V259Q/V260C/V260D

SERVICE MANUAL

Photo : SL V -SE990

RMT-V260D

The abbreviations of SE850/SF900/SF950/SF990 contained in this service manual are indicated when these models are common to all their corresponding models as given below.

Abbreviated models name All models name SLV-

SE850 SE850B SE850D SE850E SE850G

SF900 SF900B SF900D SF900E SF900G

SF950 SF950N

SF990 SF990B SF990D SF990E SF990G

AEP Model

SLV-SE850/SF900/SF950/SF990

UK Model

SLV-SE850/SF900/SF990

SR MECHANISM

Refer to the SERVICE MANUAL of VHS MECHANICAL ADJUSTMENT MECHANICAL ADJUSTMENTS. (9-921-647-11)

for

System

Channel coverage

L (B/G): SE850D,E,G/SF900D,E,G/

VHF E2 to E12 VHF Italian channel A to H UHF E21 to E69 CATV S01 to S05, S1 to S20 HYPER S21 to S41 SECAM (L): SE850B/SF900B/SF990B VHF F2 to F10 UHF F21 to F 69 CATV B to Q HYPER S21 to S41

F output signal

UHF channels 21 to 69

Aerial out

75-ohm asymmetrical aerial socket

Tape speed

SP: PAL 23,39 mm/s (recording/playback)

LP: PAL11,70 mm/s (recording/playback)

EP: NTSC 11,12 mm/s (playback only)

SF950/SF990D,E,G

SC 33,35 mm/s (playback only) SECAM 23,39mm/s (recording/playback) (SE850B/SF900B/SF990B only)

NTSC 16,67 mm/s (playback only) SECAM 11,70mm/s (recording/playback) (SE850B/SF900B/SF990B only)

SPECIFICATIONS

Maximum recording/playback time

10 hrs. in LP mode (with E300 tape)

Fast-forward and rewind time

Approx. 1 min. (with E180 tape)

Inputs and outputs

Li INE-1 (TV)

21-pin Video input: pin 20 Audio input: pins 2 and 6 Video output: pin 19 Audio output: pins 1 and 3

DECODER/t LINE-3 IN (SE850/SF900/SF950 only)/

LINE-4 IN (SF990 only)

21-pin Video input: pin 20 Audio input: pins 2 and 6

LINE-2 IN

VIDEO IN, phono jack (1) Input signal: 1 Vp-p, 75 ohms, unbalanced, sync

negative AUDIO IN, phono jack (2) Input level: 327 mVrms Input impedance : more than 47 kilohms

VIDEO CASSETTE RECORDER

LINE-3 IN (SF990 only)

VIDEO IN, phono jack (1) Input signal: 1 Vp-p, 75 ohms, unbalanced, sync

negative AUDIO IN, phono jack (2) Input level: 327 mVrms Input impedance : more than 47 kilohms

LINE-2 OUT

VIDEO OUT, phono jack (1)(SF950/SF990 only) Output signal: 1 Vp-p, 75 ohms, unbalanced, sync

negative AUDIO OUT, phono jack (2) Rated output level: 327 mVrms Load impedance: 47 kilohms Output impedance: less than 10 kilohms

— Continued on next page —

General

Power requirements

220 – 240 V AC, 50 Hz

Power consumption

25 W (Normal)(SF900/SF950/SF990 only) 23 W (Normal)(SE850 only) 2,

7 W (POWER SAVE is set to ON, no decoder) (SF900/SF950/SF990 only) 2,0 W (POWER SAVE is set to ON, no decoder) (SE850 only)

Operating temperature

5°C to 40°C

Storage temperature

–20°C to 60°C

Dimensions

Approx. 430 × 100 × 330 mm (w/h/d)

cluding projecting parts and controls

Mass

rox. 4.8 kg (SF900/SF950/SF990 only)

App Approx. 4.6 kg (SE850 only)

Supplied accessories

Remote commander (1) R6 (size AA) batteries (2) Aerial cable (1) SmartFile labels (5) Set-Top Box controller (1)

Design and specifications are subject to change without notice.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

SAFETY CHECK-OUT

After correcting the original service problem, perform the following safety checks before releasing the set to the customer.

1. Check the area of your repair for unsoldered or poorly-soldered connections. Check the entire board surface for solder splashes and bridges.

2. Check the interboard wiring to ensure that no wires are "pinched" or contact high-wattage resistors.

3. Look for unauthorized replacement parts, particularly transistors, that were installed during a previous repair . Point them out to the customer and recommend their replacement.

4. Look for parts which, through functioning, show obvious signs of deterioration. Point them out to the customer and recommend their replacement.

5. Check the B+ voltage to see it is at the values specified.

6. Flexible Circuit Board Repairing

• Keep the temperature of the soldering iron around 270˚C during repairing.

• Do not touch the soldering iron on the same conductor of the circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering or unsoldering.

— 2 —

SERVICE MODE

1. ERROR CODE INDICATION··········································· 5

2. EEPROM DATA INPUT ···················································· 6

1. GENERAL

Getting Started

Step 1 : Unpacking ································································1-1 Step 2 : Setting up the remote commander ····························1-1 Step 3 : Connecting the VCR·················································1-2 Step 4 : Tuning your TV to the VCR ·····································1-4 Step 5 : Setting up the VCR with the Auto Set Up function ··1-5 Step 6 : Setting the clock ·······················································1-5 Step 7 : Setting the Set-Top Box············································1-6 Selecting a language ······························································ 1-8 Presetting channels ································································1-8 Setting/changing the station names ·······································1-9 Changing/disabling programme positions ···························1-10 Setting the PAY-TV/Canal Plus decoder······························ 1-11

Basic Operations

Playing a tape·······································································1-12 Recording TV programmes ·················································1-13 Recording TV programmes using the ShowView system ···1-14 Setting the timer manually··················································· 1-15

Additional Operations

Playing/searching at various speeds ····································1-16 Setting the recording duration time ·····································1-16 Synchronized Recording······················································1-16 Checking/changing/cancelling timer settings ······················1-17 Recording stereo and bilingual programmes ·······················1-17 Searching using the index function······································1-18 Adjusting the picture ···························································1-18 Changing menu options ·······················································1-19

Editing

Connecting to a VCR or stereo system································1-19 Basic Editing········································································1-20 Audio dubbing ····································································· 1-20

SmartFile function

About the SmartFile function ··············································1-21 Recording using the SmartFile function ······························1-21 Selecting and playing a programme ····································1-22 Checking the contents of a tape ···········································1-23 Labelling a recorded programme and tape ··························1-23 Registering the contents of a recorded tape in the SmartFile label·····································································1-25 Protecting a recorded programme········································1-26 Erasing the data of an unwanted programme ······················1-26

Additional Information

Troubleshooting ···································································1-27 Index to parts and controls···················································1-28 Menu chart ···········································································1-29

2. DISASSEMBLY

2-1. CASE, FRONT PANEL BLOCK ASSEMBLY ··············2-1 2-2. DM-95, FR-169, JK-195, AT-28 BOARDS ····················2-1 2-3. REAR PANEL ·································································2-2 2-4. RP-238 BOARD······························································2-2 2-5. SR MECHANISM DECK···············································2-3 2-6. POWER BLOCK, MA-388 BOARDS····························2-3 2-7. INTERNAL VIEWS························································2-4 2-8. CIRCUIT BOARDS LOCATION ···································2-5

3 BLOCK DIAGRAMS

3-1. OVERALL BLOCK DIAGRAM (1/2) ···························3-3

OVERALL BLOCK DIAGRAM (2/2) ···························3-5

3-2. VIDEO BLOCK DIAGRAM (1/2) ·································3-8

VIDEO BLOCK DIAGRAM (2/2) ·································3-9

3-3. SERVO/SYSTEM CONTROL

BLOCK DIAGRAM (1/2)·············································3-11 SERVO/SYSTEM CONTROL

BLOCK DIAGRAM (2/2)·············································3-13 3-4. AUDIO BLOCK DIAGRAM ········································3-15 3-5. SMART FILE BLOCK DIAGRAM ·····························3-17 3-6. POWER BLOCK DIAGRAM (1/2)······························3-19

POWER BLOCK DIAGRAM (2/2) ······························3-21

4. PRINTED WIRING BOARDS AND

SCHEMATIC DIAGRAMS

4-1. FRAME SCHEMATIC DIAGRAM································4-1 4-2. PRINTED WIRING BOARDS AND

SCHEMATIC DIAGRAMS ············································4-5

• MA-388 (REC/PB HEAD AMP)(1/8) SCHEMATIC DIAGRAM ······························4-5

• MA-388 (Y/C, AUDIO PROCESSOR)(2/8) SCHEMATIC DIAGRAM ······························4-7

• MA-388 (ON SCREEN DISPLAY)(3/8) SCHEMATIC DIAGRAM ······························4-9

• MA-388 (SERVO/SYSTEM CONTROL)(4/8) SCHEMATIC DIAGRAM ····························4-11

• MA-388 (INPUT/OUTPUT)(5/8) SCHEMATIC DIAGRAM ····························4-13

• MA-388 (AUDIO)(6/8) SCHEMATIC DIAGRAM ····························4-15

• MA-388 (TUNER)(7/8) SCHEMATIC DIAGRAM ····························4-17

• MA-388 (POWER SUPPLY)(8/8) SCHEMATIC DIAGRAM ····························4-19

• MA-388 (REC/PB HEAD AMP, Y/C,

AUDIO PROCESSOR, ON SCREEN DISPLAY, SER VO/SYSTEM CONTROL, INPUT/OUTPUT, AUDIO, TUNER, POWER SUPPLY)

PRINTED WIRING BOARD ·······················4-21

• RP-238 (BIAS) PRINTED WIRING BOARD ·······················4-24

• RP-238 (BIAS) SCHEMATIC DIAGRAM ····························4-25

• FR-169 (INDICATOR) PRINTED WIRING BOARD ·······················4-27

• FR-169 (INDICATOR) SCHEMATIC DIAGRAM ····························4-29

• DM-95 (USER FUNCTION) SCHEMATIC DIAGRAM ····························4-32

• DM-95 (USER FUNCTION) PRINTED WIRING BOARD ·······················4-33

• SE-109 (SECAM SIGNAL PROCESS) PRINTED WIRING BOARD ·······················4-35

• SE-109 (SECAM SIGNAL PROCESS) SCHEMATIC DIAGRAM ····························4-37

• A T-28 (LARGE ANTENNA) PRINTED WIRING BOARD ·······················4-39

• A T-29 (SMALL ANTENNA) PRINTED WIRING BOARD ·······················4-39

• ML-21 (SMART FILE) PRINTED WIRING BOARD ·······················4-40

• A T-28 (LARGE ANTENNA),

AT-29 (SMALL ANTENNA), ML-21 (SMART FILE)(1/2)

SCHEMATIC DIAGRAMS··························4-41

• ML-21 (SMART FILE)(2/2) PRINTED WIRING BOARD ·······················4-43

• JK-195 (LINE 2 IN) PRINTED WIRING BOARD ·······················4-45

— 3 —

• JK-195 (LINE 2 IN) SCHEMATIC DIAGRAM ····························4-46

• POWER BLOCK (SRV939EK) PRINTED WIRING BOARD ·······················4-47

• POWER BLOCK (SRV939EK) SCHEMATIC DIAGRAM ····························4-49

5. INTERFACE, IC PIN FUNCTION DESCRIPTION

5-1. SYSTEM CONTROL — VIDEO BLOCK INTERFACE

(MA-388 Board IC160)···················································5-1

5-2. SYSTEM CONTROL — SERVO PERIPHERAL

CIRCUIT INTERFACE (MA-388 Board IC160) ··········· 5-1

5-3. SYSTEM CONTROL — MECHANISM INTERFACE

(MA-388 Board IC160)···················································5-2

5-4. SYSTEM CONTROL — SYSTEM CONTROL

PERIPHERAL CIRCUIT INTERFACE (MA-388 Board IC160)···················································5-2

5-5. SYSTEM CONTROL — AUDIO BLOCK INTERFACE

(MA-388 Board IC160)···················································5-2

5-6. SERVO/SYSTEM CONTROL MICROPROCESSOR

PIN FUNCTION (MA-388 Board IC160 CXP8846-022Q)························5-3

5-7. MODE CONTROL MICROPROCESSOR PIN

FUNCTION (FR-169 Board IC180 uPD703033AYGF-M02-3B) ·······5-4

5-8. SMART FILE CONTROL MICROPROCESSOR PIN

FUNCTION (ML-21 Board IC902 CXP84632-079Q) ···5-5

5-9. SMART FILE TELETEXT MICROCOMPUTER PIN

FUNCTION (ML-21 Board IC950 SDA5250M-2) ········5-6

7. REPAIR PARTS LIST

7-1. EXPLODED VIEWS ······················································7-1 7-1-1.FRONT PANEL AND UPPER CASE SECTION ··········7-2 7-1-2.CHASSIS SECTION······················································· 7-4 7-1-3.MECHANISM DECK SECTION-1 ·······························7-5 7-1-4.MECHANISM DECK SECTION-2 ·······························7-6 7-1-5.MECHANISM DECK SECTION-3 ·······························7-7 7-2. ELECTRICAL PARTS LIST ··········································7-8

6. ADJUSTMENTS

6-1. MECHANICAL ADJUSTMENT ···································6-1 6-2. ELECTRICAL ADJUSTMENT······································6-1 2-1. PREPARATION BEFORE ADJUSTMENT···················6-1 2-1-1.Equipment Required ························································6-1 2-1-2.Equipment Connection ····················································6-1 2-1-3.Setup for adjustment························································ 6-1 2-1-4.Alignment Tape ·······························································6-1 2-1-5.Input/Output Levels and impedance································6-2 2-1-6.Adjustment Sequence ······················································6-2 2-2. POWER SUPPLY CHECK ·············································6-2 2-2-1.Power Supply Voltage Check (MA-388 board) ···············6-2 2-3. SYSTEM CONTROL SYSTEM CHECK ······················6-3 2-3-1.Clock Oscillation Level Check (MA-388 board) ············6-3 2-4. SERVO SYSTEM CHECK ·············································6-3 2-4-1.RF Switching Position Check (MA-388 board) ··············6-3 2-4-2.Hi-Fi Switching Position Check (MA-388 board) ··········6-3 2-5. VIDEO SYSTEM CHECK ············································· 6-4 2-5-1.Playback Level Check (MA-388 board)··························6-4 2-5-2.Sync AGC Check (MA-388 board) ·································6-4 2-6. AUDIO SYSTEM ADJUSTMENT·································6-4 2-6-1.Hi-Fi Audio System Check (MA-388 board) ··················6-4 2-6-1-1. Overall Audio Output Level Check ·····························6-4 2-6-1-2. Overall Audio Distorsion Factor Check ······················6-5 2-6-1-3. Overall Noise Level Check··········································6-5 2-6-1-4. HiFi Audio Frequency Response Check······················6-5 2-6-1-5. Audio PB Level Check ················································6-5 2-6-2.Normal Audio System Adjustment ··································6-6 2-6-2-1. ACE Head Adjustment················································· 6-6 2-6-2-2. Frequency Response Check·········································6-6 2-6-2-3. E-E Output Level Check··············································6-6

— 4 —

SERVICE NOTE

1. ERROR CODE INDICATION

• Error codes are indicated using the lower 5 digits in the fluorescent display tube. “At this time, Colon “:” between character is not indicated.”

Mode code indication when the error has occurred.

Error code

ERROR CODE

0 No error 1 Cam encoder error Loading direction 2 Cam encoder error Unloading direction 3 T reel error 4 S reel error 5 Capstan error 6 Drum error 7 Error on initializing 8 Cassette loading error

MODE CODE

0 NC All positions other than below 1 EJECT EJECT (include Power off) 2 CDOWN Cassette down 3 ULDEND Tape unloading end • DEW stop 4 TLOAD In tape loading 5 HCLEAN In tape loading 6 LDEND Tape loading end 7 RVS RVS jog (include STILL, SLOW) 8 PR FWD, FWDP/RVS MECHA inhibit

9 FWDP FWD SLOW, FWD STILL 10 FWD PB, FWD JOG • STOP (DRUM ON) 11 STOP STOP (DRUM OFF • Power OFF) 12 FR FF/REW

— 5 —

2. EEPROM DATA INPUT

When EEPROM (IC182 on FR-169 board) is replaced with new one or “888” appears for short time on CH indicator after A C plug OFF/ON, perform the following procedure.

8 88

Fluorescent display tube

1) Connect the adjustment remote commander (RM-95: J-6082-053-B) with CN165 of MA-388 board by using LANC jig (J-6082-051-A).

2) Select page: 1, address: 00, and input data: 80.

3) Select page: F, and input data as following table.

Page Address

SLV-SE850B SLV-SE850D SLV-SE850E SLV-SE850G SLV-SF900B SLV-SF900D SLV-SF900E SLV-SF900G SLV-SF950N SLV-SF990B SLV-SF990D SLV-SF990E SLV-SF990G

Note: Press the PAUSE button of the adjustment remote commander each time to set the data.

01 00 02 03 06 05 07 08 0F 0B 0A 0C 0D

95 85 85 85 95 85 85 85

95 85 85 85

CE CE CE CE CE CE CE CE CE CE CE CE CE