Sony SLV-SF900 - User Manual

AEP Model
SLV-SE850/SF900/SF950/SF990
UK Model
SLV-SE850/SF900/SF990
SERVICE MANUAL
VIDEO CASSETTE RECORDER
SR MECHANISM
SLV-SE850/SF900/SF950/SF990
RMT-V259M/V259N/V259P/V259Q/V260C/V260D
G
Photo : SLV-SE990
RMT-V260D
Refer to the SERVICE MANUAL of VHS
MECHANICAL ADJUSTMENT
for
MECHANICAL ADJUSTMENTS. (9-921-647-11)
SPECIFICATIONS
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
System
Channel coverage
PA
SF950/SF990D,E,G
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
VHF F2 to F10
UHF F21 to F69
CATV B to Q
HYPER S21 to S41
R
SECAM (L): SE850B/SF900B/SF990B
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)
NT
SECAM 23,39mm/s (recording/playback)
(SE850B/SF900B/SF990B only)
SECAM 11,70mm/s (recording/playback)
(SE850B/SF900B/SF990B only)
SC 33,35 mm/s (playback only)
LP: PAL11,70 mm/s (recording/playback)
NTSC 16,67 mm/s (playback only)
EP: NTSC 11,12 mm/s (playback only)
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
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 —

Summary

SERVICE MANUAL

Specifications

Detailed technical specifications of the VCR models including channel coverage and tape speed.

General

SAFETY-RELATED COMPONENT WARNING!

SAFETY CHECK-OUT

Procedure for performing safety checks after correcting the original service problem.

SERVICE MODE

1. GENERAL

Troubleshooting

Guidance on resolving common operational issues and problems.

2. DISASSEMBLY

3 BLOCK DIAGRAMS

4. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS

PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS

Detailed schematics and printed wiring boards for various VCR sections.

5. INTERFACE, IC PIN FUNCTION DESCRIPTION

SYSTEM CONTROL - VIDEO BLOCK INTERFACE (MA-388 Board IC160)

Pin function description for the system control to video block interface.

SYSTEM CONTROL - SERVO PERIPHERAL CIRCUIT INTERFACE (MA-388 Board IC160)

Pin function description for system control to servo peripheral circuit interface.

SERVO;SYSTEM CONTROL MICROPROCESSOR PIN FUNCTION (MA-388 Board IC160 CXP8846-022 Q)

Detailed pin function mapping for the Servo/System Control microprocessor.

MODE CONTROL MICROPROCESSOR PIN FUNCTION (FR-169 Board IC180 uPD703033 AYGF-M02-3 B)

Detailed pin function mapping for the Mode Control microprocessor.

SMART FILE CONTROL MICROPROCESSOR PIN FUNCTION (ML-21 Board IC902 CXP84632-079 Q)

Detailed pin function mapping for the Smart File Control microprocessor.

SMART FILE TELETEXT MICROCOMPUTER PIN FUNCTION (ML-21 Board IC950 SDA5250 M-2)

Detailed pin function mapping for the Smart File Teletext microcomputer.

6. ADJUSTMENTS

MECHANICAL ADJUSTMENT

Instructions for performing mechanical adjustments of the VCR.

ELECTRICAL ADJUSTMENT

Procedures for performing electrical adjustments and calibration.

SERVICE NOTE

ERROR CODE INDICATION

Explanation of error codes indicated on the fluorescent display tube.

2. EEPROM DATA INPUT

EEPROM DATA INPUT

Procedure for inputting data into the EEPROM after replacement.

SECTION 1 GENERAL

Getting Started

Step-by-step guide for initial VCR setup, including unpacking and connections.

Setting up the remote commander

Step 3: Connecting the VCR

Connecting the VCR

Step 4: Tuning your TV to the VCR

Step 5: Setting up the VCR with the Auto Set Up function

Setting the clock

Detailed steps for setting the VCR's clock.

Setting the clock

Step 7: Setting the Set-Top Box

Setting the Set-Top Box

Setting the PAY-TV;Canal Plus decoder

Setting the PAY-TV;Canal Plus decoder

Basic Operations

Playing a tape

Recording TV programmes

Recording TV programmes

Step-by-step guide for recording TV programs.

Recording programmes

Recording programmes

Step-by-step guide for recording TV programs.

Recording TV programmes using the ShowView system

Recording TV programmes using the ShowView system

Setting the timer manually

Setting the timer manually

Troubleshooting

SECTION 2 DISASSEMBLY

SECTION 3 BLOCK DIAGRAMS

3-1. OVERALL BLOCK DIAGRAM (1;2)

OVERALL BLOCK DIAGRAM (1;2)

First part of the overall system block diagram.

OVERALL BLOCK DIAGRAM (2;2)

OVERALL BLOCK DIAGRAM (2;2)

3-2. VIDEO BLOCK DIAGRAM (1;2)

VIDEO BLOCK DIAGRAM (1;2)

First part of the video block diagram.

VIDEO BLOCK DIAGRAM (2;2)

VIDEO BLOCK DIAGRAM (2;2)

Second part of the video block diagram.

3-3. SERVO;SYSTEM CONTROL BLOCK DIAGRAM (1;2)

SERVO;SYSTEM CONTROL BLOCK DIAGRAM (1;2)

First part of the servo/system control block diagram.

SERVO;SYSTEM CONTROL BLOCK DIAGRAM (2;2)

SERVO;SYSTEM CONTROL BLOCK DIAGRAM (2;2)

Second part of the servo/system control block diagram.

3-4. AUDIO BLOCK DIAGRAM

AUDIO BLOCK DIAGRAM

Block diagram illustrating the audio processing system.

3-5. SMART FILE BLOCK DIAGRAM

SMART FILE BLOCK DIAGRAM

Block diagram of the Smart File system.

3-6. POWER BLOCK DIAGRAM (1;2)

POWER BLOCK DIAGRAM (1;2)

First part of the power block diagram.

POWER BLOCK DIAGRAM (2;2)

POWER BLOCK DIAGRAM (2;2)

Second part of the power block diagram.

SECTION 4 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS

FRAME SCHEMATIC DIAGRAM

Overall schematic diagram showing the VCR's frame and main connections.

MA-388 BOARD

REC;PB HEAD AMP

Schematic for the Record/Playback Head Amplifier circuit.

REC;PB HEAD AMP (MA-388 BOARD(1;8))

Schematic for the Record/Playback Head Amplifier circuit.

Y;C, AUDIO PROCESSOR (MA-388 (2;8))

Schematic for the Y/C and Audio Processor circuit.

ON SCREEN DISPLAY (MA-388 (3;8))

Schematic for the On Screen Display circuit.

SERVO;SYSTEM CONTROL (MA-388 (4;8))

Schematic for the Servo/System Control circuit.

INPUT;OUTPUT (MA-388 (5;8))

Schematic for the Input/Output circuit.

AUDIO (MA-388 (6;8))

Schematic for the Audio circuit.

TUNER (MA-388 (7;8))

Schematic for the Tuner circuit.

POWER SUPPLY (MA-388 (8;8))

Schematic for the Power Supply circuit.

RP-238 BOARD

RP-238 (BIAS) PRINTED WIRING BOARD

Printed wiring board schematic for the RP-238 (Bias) board.

RP-238 (BIAS)

Schematic diagram for the RP-238 (Bias) board.

FR-169 (INDICATOR) PRINTED WIRING BOARD

FR-169 BOARD

Printed wiring board schematic for the FR-169 Indicator board.

FR-169 BOARD

INDICATOR

Schematic diagram for the FR-169 Indicator board.

DM-95 BOARD

USER FUNCTION

Schematic showing user functions on the DM-95 board.

DM-95

DM-95 (USER FUNCTION) PRINTED WIRING BOARD

Printed wiring board schematic for the DM-95 User Function.

SE-109 (SECAM SIGNAL PROCESS) PRINTED WIRING BOARD (SE850:B;SF900:B;SF990:B ONLY)

SE-109 BOARD

Printed wiring board schematic for the SE-109 Secam Signal Process board.

SE-109 BOARD

SECAM SIGNAL PROCESS

Schematic diagram for the SE-109 Secam Signal Process board.

AT-28 (LARGE ANTENNA) PRINTED WIRING BOARD (SF900;SF950;SF990 ONLY)

ML-21 (SMART FILE) PRINTED WIRING BOARD (SF900;SF950;SF990 ONLY)

Printed wiring board schematic for the ML-21 Smart File board.

AT-29 (SMALL ANTENNA) PRINTED WIRING BOARD (SF900;SF950;SF990 ONLY)

AT-28 (LARGE ANTENNA) PRINTED WIRING BOARD (SF900;SF950;SF990 ONLY)

Printed wiring board schematic for the AT-28 Large Antenna board.

ML-21 BOARD

ML-21 (1;2)

First part of the ML-21 board schematic.

ML-21 (2;2)

Second part of the ML-21 board schematic.

JK-195 BOARD

JK-195 (LINE 2 IN) PRINTED WIRING BOARD

Printed wiring board schematic for the JK-195 Line 2 In board.

POWER BLOCK

POWER BLOCK (SRV939 EK) PRINTED WIRING BOARD

Printed wiring board schematic for the Power Block (SRV939EK).

POWER BLOCK (SRV939 EK)

Schematic diagram for the Power Block (SRV939EK).

5-1. SYSTEM CONTROL - VIDEO BLOCK INTERFACE (MA-388 Board IC160)

5-2. SYSTEM CONTROL - SERVO PERIPHERAL CIRCUIT INTERFACE (MA-388 Board IC160)

5-3. SYSTEM CONTROL - MECHANISM INTERFACE (MA-388 Board IC160)

5-4. SYSTEM CONTROL - SYSTEM CONTROL PERIPHERAL CIRCUIT INTERFACE (MA-388 Board IC160)

5-5. SYSTEM CONTROL - AUDIO BLOCK INTERFACE (MA-388 Board IC160)

Pin No. and Function

5-6. SERVO;SYSTEM CONTROL MICROPROCESSOR PIN FUNCTION (MA-388 Board IC160 CXP8846-022 Q)

5-7. MODE CONTROL MICROPROCESSOR PIN FUNCTION (FR-169 Board IC180 uPD703033 AYGF-M02-3 B)

5-8. SMART FILE CONTROL MICROPROCESSOR PIN FUNCTION (ML-21 Board IC902 CXP84632-079 Q)

5-9. SMART FILE TELETEXT MICROCOMPUTER PIN FUNCTION (ML-21 Board IC950 SDA5250 M-2)

Pin No., Pin Name, I;O, Function

Detailed pin function mapping for the Smart File Teletext microcomputer.

SECTION 6 ADJUSTMENTS

6-1. MECHANICAL ADJUSTMENT

6-2. ELECTRICAL ADJUSTMENT

Procedures for performing electrical adjustments and calibration.

2-1. PREPARATION BEFORE ADJUSTMENT

POWER SUPPLY CHECK

Procedure for checking the power supply voltages on the MA-388 board.

2-1. PREPARATION BEFORE ADJUSTMENT

2-1-5. Input;Output Levels and impedance

2-3. SYSTEM CONTROL SYSTEM CHECK

2-3-1. Clock Oscillation Level Check (MA-388 board)

2-4. SERVO SYSTEM CHECK

2-4-1. RF Switching Position Check (MA-388 board)

2-4-2. Hi-Fi Switching Position Check (MA-388 board)

2-5. VIDEO SYSTEM CHECK

2-5-1. Playback Level Check (MA-388 board)

2-5-2. Sync AGC Check (MA-388 board)

2-6. AUDIO SYSTEM ADJUSTMENT

2-6-1. Hi-Fi Audio System Check (MA-388 board)

2-6-1-1. Overall Audio Output Level Check

2-6-2. Normal Audio System Adjustment

SECTION 7 REPAIR PARTS LIST

7-1. EXPLODED VIEWS

Exploded views showing VCR parts for identification.

7-2. ELECTRICAL PARTS LIST

FR-169

MA-388

ML-21

RP-238

SE-109

Sony SLV-SF900 Specifications

General

Type	VCR
Video Format	VHS
Recording Speed	SP, LP, EP
Playback Speed	SP, LP, EP
Playback Head	4-Head
Dimensions	17 x 3.9 x 13.8 inches
Weight	9.9 lbs
Remote Control	Yes
Hi-Fi Stereo	Yes
Tuner	Yes
Inputs	Composite video
Outputs	Composite video