Read Sony SLV-LX80S Service Manual online
— 1 —
SLV-LX80S
RMT-V294A
Chilean Model
Mexican Model
SERVICE MANUAL
VIDEO CASSETTE RECORDER
S MECHANISM
Refer to the SERVICE MANUAL of VHS MECHANICAL
ADJUSTMENT for MECHANICAL ADJUSTMENTS.
(9-921-748-11)
ADJUSTMENT for MECHANICAL ADJUSTMENTS.
(9-921-748-11)
SPECIFICATIONS
1
2
3
4
5
6
7
8
9
0
g
System
Format
VHS NTSC standard
Video recording system
Rotary head helical scanning FM system
Video heads
Double azimuth four heads
Video signal
NTSC color, EIA standards
Tape speed
SP: 33.35 mm/s (1
3
/
8
inches/s)
EP: 11.11 mm/s (
7
/
16
inches/s)
LP: 16.67 mm/s (
11
/
16
inches/s),
playback only
Maximum recording/playback time
9 hrs. in EP mode (with T-180 tape)
Fast-forward and rewind time
Approx. 3 min. (with T-120 tape)
Tuner section
Channel coverage
VHF 2 to 13
UHF 14 to 69
CATV A-8 to A-1, A to W, W+1 to W+84
Antenna
75-ohm antenna terminal for VHF/UHF
Input and outputs
LINE-1 IN and -2 IN
VIDEO IN, phono jack (1 each)
Input signal: 1 Vp-p, 75 ohms, unbalanced, sync
negative
AUDIO IN, phono jacks (2 each)
Input level: 327 mVrms
Input impedance: more than 47 kilohms
LINE OUT
VIDEO OUT, phono jack (1)
Output signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
sync negative
AUDIO OUT, phono jacks (2)
Standard output: 327 mVrms
Load impedance: 47 kilohms
Output impedance: less than 10 kilohms
Timer section
Clock
Quartz locked
Timer indication
12-hour cycle
Timer setting
8 programs (max.)
Power back-up
Built-in self-charging capacitor
Back-up duration: up to 1 hour at a time
General
Power requirements
110 V AC to 240 V AC, 50/60 Hz
(SLV-LX80S CS)
120 V AC, 60 Hz
(SLV-LX80S MX)
Power consumption
17W
Operating temperature
5
°
C to 40
°
C (41
°
F to 104
°
F)
Storage temperature
-20
°
C to 60
°
C (-4
°
F to 140
°
F)
Dimensions
Approx. 430
✕
97
✕
292 mm (w/h/d)
(Approx. 17
✕
3
✕
11 inches) including
projecting parts and controls
Mass
Approx. 4.1 kg (9 lb 1 oz)
Supplied accessories
Remote commander (1)
Size AA (R6) batteries (2)
75-ohm coaxial cable with F-type connectors (1)
Audio/video cable (1) (3-phono to 3-phono)
Plug adaptor (1) (SLV-LX80S CS only)
Audio/video cable (1) (3-phono to 3-phono)
Plug adaptor (1) (SLV-LX80S CS only)
Design and specifications are subject to change
without notice
without notice
ENERGY STAR
®
is a U.S. registered mark.
As an ENERGY STAR
®
Partner, Sony Corporation
has determined that this product meets the
ENERGY STAR
ENERGY STAR
®
— 2 —
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED LINE WITH
MARK
!
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.
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.
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.
"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.
transistors, that were installed during a previous repair. Point
them out to the customer and recommend their replacement.
4.
Look for parts which, though functioning, show obvious signs
of deterioration. Point them out to the customer and
recommend their replacement.
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.
— 3 —
TABLE OF CONTENTS
Section
Title
Page
SERVICE NOTE
1.
ERROR CODE INDICATION ........................................... 5
1
GENERAL
Getting Started ........................................................................... 1-1
Step 2 : Setting up the remote commander ............................. 1-1
Step 3 : Hookups ..................................................................... 1-2
Selecting a language ............................................................... 1-4
Setting the clock ...................................................................... 1-4
Presetting channels .................................................................. 1-6
Step 3 : Hookups ..................................................................... 1-2
Selecting a language ............................................................... 1-4
Setting the clock ...................................................................... 1-4
Presetting channels .................................................................. 1-6
Basic Operations ........................................................................ 1-7
Playing a tape .......................................................................... 1-7
Recording TV programs .......................................................... 1-8
Recording TV programs using the Dial Timer ........................ 1-9
Recording TV programs using the timer ............................... 1-10
Recording TV programs .......................................................... 1-8
Recording TV programs using the Dial Timer ........................ 1-9
Recording TV programs using the timer ............................... 1-10
Additional Operations ............................................................. 1-11
Playing/searching at various speeds ...................................... 1-11
Setting the recording duration time ....................................... 1-11
Synchronized Recording ....................................................... 1-12
Checking/changing/canceling timer settings ........................ 1-12
Recording stereo and bilingual programs ............................. 1-13
Searching for the beginning of a timer recorded program .... 1-13
Searching using the index function ....................................... 1-13
Searching using the Time Search function ............................ 1-14
Skip-searching automatically (Quick View) ......................... 1-14
Searching for a selected point on the tape ............................ 1-14
Adjusting the picture ............................................................. 1-15
Changing menu options ........................................................ 1-15
Editing with another VCR ..................................................... 1-16
Setting the recording duration time ....................................... 1-11
Synchronized Recording ....................................................... 1-12
Checking/changing/canceling timer settings ........................ 1-12
Recording stereo and bilingual programs ............................. 1-13
Searching for the beginning of a timer recorded program .... 1-13
Searching using the index function ....................................... 1-13
Searching using the Time Search function ............................ 1-14
Skip-searching automatically (Quick View) ......................... 1-14
Searching for a selected point on the tape ............................ 1-14
Adjusting the picture ............................................................. 1-15
Changing menu options ........................................................ 1-15
Editing with another VCR ..................................................... 1-16
Additional Information ............................................................ 1-16
General setup information ..................................................... 1-16
Index to parts and controls .................................................... 1-17
Index to parts and controls .................................................... 1-17
2
DISASSEMBLY
2-1.
CASE, FRONT PANEL BLOCK ASSEMBLY .............. 2-1
2-2.
DM-98 BOARD, DI-81 BOARD, FJ-28 BOARD .......... 2-1
2-3.
REAR PANEL ................................................................. 2-2
2-4.
MA-397 BOARD ............................................................ 2-2
2-5.
MECHANISM DECK ..................................................... 2-3
2-6.
INTERNAL VIEWS ........................................................ 2-4
2-7.
CIRCUIT BOARDS LOCATION ................................... 2-5
3
BLOCK DIAGRAMS
3-1.
OVERALL BLOCK DIAGRAM .................................... 3-1
3-2.
VIDEO BLOCK DIAGRAM .......................................... 3-3
3-3.
SERVO/SYSTEM CONTROL BLOCK DIAGRAM ..... 3-5
3-4.
TUNER BLOCK DIAGRAM ......................................... 3-7
3-5.
AUDIO BLOCK DIAGRAM .......................................... 3-9
3-6.
POWER BLOCK DIAGRAM ....................................... 3-11
4
PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
SCHEMATIC DIAGRAMS
4-1.
FRAME SCHEMATIC DIAGRAM ................................ 4-3
4-2.
PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS .................................................................... 4-5
• MA-397 (VIDEO, AUDIO, SERVO/SYSTEM
DIAGRAMS .................................................................... 4-5
• MA-397 (VIDEO, AUDIO, SERVO/SYSTEM
CONTROL, TUNER, POWER)
PRINTED WIRING BOARD .......................... 4-5
• MA-397 (1/7)(REC/PB HEAD AMP)
SCHEMATIC DIAGRAM ............................... 4-7
• MA-397 (2/7)(Y/C, AUDIO PROCESS)
SCHEMATIC DIAGRAM ............................... 4-9
• MA-397 (3/7)(SERVO/SYSTEM CONTROL)
SCHEMATIC DIAGRAM ............................. 4-11
• MA-397 (4/7)(AUDIO PROCESS)
SCHEMATIC DIAGRAM ............................. 4-13
• MA-397 (5/7)(TUNER)
SCHEMATIC DIAGRAM ............................. 4-15
• MA-397 (6/7)(DISPLAY CONTROL)
SCHEMATIC DIAGRAM ............................. 4-17
• MA-397 (7/7)(POWER SUPPLY)
SCHEMATIC DIAGRAM ............................. 4-19
• FJ-28 (LINE-2 IN)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ............................. 4-31
SCHEMATIC DIAGRAM ............................. 4-31
• DM-98 (FUNCTION)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ............................. 4-35
SCHEMATIC DIAGRAM ............................. 4-35
• DI-81 (DIAL TIMER)
PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ............................. 4-38
SCHEMATIC DIAGRAM ............................. 4-38
5
INTERFACE, IC PIN FUNCTION
DESCRIPTION
DESCRIPTION
5-1.
SYSTEM CONTROL — MECHANISM BLOCK
INTERFACE (MA-397 BOARD IC160) ........................ 5-1
INTERFACE (MA-397 BOARD IC160) ........................ 5-1
5-2.
SYSTEM CONTROL — SERVO PERIPHERAL
CIRCUIT INTERFACE (MA-397 BOARD IC160) ....... 5-1
CIRCUIT INTERFACE (MA-397 BOARD IC160) ....... 5-1
5-3.
SYSTEM CONTROL — SYSTEM CONTROL
PERIPHERAL CIRCUIT INTERFACE
(MA-397 BOARD IC160) ............................................... 5-2
PERIPHERAL CIRCUIT INTERFACE
(MA-397 BOARD IC160) ............................................... 5-2
5-4.
SYSTEM CONTROL AND RF MODULATOR
— INPUT SELECTION BLOCK INTERFACE
(MA-397 BOARD IC160) ............................................... 5-2
— INPUT SELECTION BLOCK INTERFACE
(MA-397 BOARD IC160) ............................................... 5-2
5-5.
SYSTEM CONTROL — VIDEO/RP BLOCK
INTERFACE (MA-397 BOARD IC160) ........................ 5-2
INTERFACE (MA-397 BOARD IC160) ........................ 5-2
5-6.
SYSTEM CONTROL — AUDIO BLOCK INTERFACE
(MA-397 BOARD IC160) ............................................... 5-2
(MA-397 BOARD IC160) ............................................... 5-2
5-7.
SERVO/SYSTEM CONTROL MICROPROCESSOR
PIN FUNCTIONS (MA-397 BOARD IC160) ................ 5-3
PIN FUNCTIONS (MA-397 BOARD IC160) ................ 5-3
6
ADJUSTMENTS
6-1
MECHANICAL ADJUSTMENTS ................................. 6-1
6-2.
ELECTRICAL ADJUSTMENTS ................................... 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. Set-up of 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.
2-1-2. Equipment Connection .................................................... 6-1
2-1-3. Set-up of 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. Output Voltage Check (MA-397 Board) ........................ 6-2
2-3.
2-3.
SERVO SYSTEM CHECK ............................................. 6-3
2-3-1. RF Switching Position Adjustment (MA-397 Board) ..... 6-3
2-4.
2-4.
AUDIO SYSTEM ADJUSTMENT ................................. 6-3
2-4-1. Hi-Fi Audio System Adjustment (Hi-Fi model only) ...... 6-3
2-4-2. HiFi Switching Position Adjustment (MA-397 Board) ... 6-4
2-4-3. Normal Audio System Adjustment .................................. 6-4
2-4-4. Audio Level and Distortion Check .................................. 6-4
2-4-5. Audio Noise Check ......................................................... 6-4
2-4-6. ACE Head Adjustment .................................................... 6-4
2-4-7. E-E Output Level Check ................................................. 6-4
2-4-8. Frequency Response Check ............................................. 6-4
2-5.
2-4-2. HiFi Switching Position Adjustment (MA-397 Board) ... 6-4
2-4-3. Normal Audio System Adjustment .................................. 6-4
2-4-4. Audio Level and Distortion Check .................................. 6-4
2-4-5. Audio Noise Check ......................................................... 6-4
2-4-6. ACE Head Adjustment .................................................... 6-4
2-4-7. E-E Output Level Check ................................................. 6-4
2-4-8. Frequency Response Check ............................................. 6-4
2-5.
ADJUSTING PARTS LOCATION DIAGRAM ............. 6-6
7
REPAIR PARTS LIST
7-1.
EXPLODED VIEWS ...................................................... 7-1
7-1-1. FRONT PANEL AND UPPER CASE SECTION .......... 7-1
7-1-2. CHASSIS SECTION ....................................................... 7-2
7-1-3. MECHANISM DECK SECTION-1 ............................... 7-3
7-1-4. MECHANISM DECK SECTION-2 ............................... 7-4
7-1-5. MECHANISM DECK SECTION-3 ............................... 7-5
7-2.
7-1-2. CHASSIS SECTION ....................................................... 7-2
7-1-3. MECHANISM DECK SECTION-1 ............................... 7-3
7-1-4. MECHANISM DECK SECTION-2 ............................... 7-4
7-1-5. MECHANISM DECK SECTION-3 ............................... 7-5
7-2.
ELECTRICAL PARTS LIST .......................................... 7-6
Section
Title
Page
— 4 —
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.”
ERROR CODE
MODE CODE
0
Power-on eject
10 FWD x1
20 REW play
1
Power-on initial
11 FWD x2
21 Cas. loading
2
Power-off eject
12 CUE
22 Tape loading
3
Power-off stop
13 PB-pause
23 Power-off loading
4
FF
14 RVS-pause
24 Mecha. error (Power on)
5
REW
15 RVS x1
25 Power-on eject initial
6
REC
16 RVS x2
26 Power-off eject initial
7
REC- pause
17 REV
27 APC REC
8
Power-on stop
18 Power-off initial
28 Cas. loading
9
PB
19 Mecha. error (Power off)
(No auto PB check)
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
9
Reserve
SERVICE NOTE
Mode code indication when the error has occurred.
Error code