Sony SLV-ED1PL Manual de usuario
MICROFILM
SERVICE MANUAL
Korean Model
SLV-ED7KR
Philippine Model
SLV-ED1PL/ED4PL/ED8PL
RMT-V247B/V248
VIDEO CASSETTE RECORDER
SLV-ED1PL/ED4PL/ED7KR/ED8PL
G
• Refer to the SERVICE MANUAL of VHS MECHANICAL
ADJUSTMENTS VI for MECHANICAL ADJUSTMENTS.
(9-921-647-11)
* The abbreviations of ED1, ED4, ED7 and ED8 contained in this service manual
are indicated when these models are common to all their corresponding mod-
els as given below.
Photo: SLV-ED1PL S MECHANISM
ED1PL
ED1
Abbreviated
model name
All model
names
SLV-
ED4PL
ED4
ED7KR
ED7
ED8PL
ED8
SPECIFICATIONS
– Continued on next page –
Inputs and outputs
LINE-1 IN
VIDEO IN, phono jack (1)
Input signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN, phono jack (1) (ED1/ED4)
AUDIO IN, phono jack (2) (ED7/ED8)
Input level: 327 mVrms
Input impedance: more than 47 kilohms
LINE-2 IN (ED7/ED8)
VIDEO IN, phono jack (1)
Input signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN, phono jack (2)
Input level: 327mVrms
Input impedane: more than 47 kilohms
LINE OUT
VIDEO OUT, phono jack (1)
Output signal: 1 Vp-p, 75 ohms, unbal-
anced, sync negative
AUDIO OUT, phono jack (1) (ED1/ED4)
AUDIO OUT, phono jack (2) (ED7/ED8)
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 per month (max.)
Power back-up
Built-in self-charging capacitor
Back-up duration: up to 1 hour at a time
General
Power requirements
110 – 240 V AC, 50/60 Hz
Power consumption
19W (ED1/ED4)
22W (ED7/ED8)
Operating temperature
5 ˚C to 40 ˚C
Storage temperature
–20 ˚C to 60 ˚C
System
Format
VHS NTSC standard
Video recording system
Rotary head helical scanning FM system
Video heads
Double azimuth two heads
Video signal
NTSC color, EIA standards
Tape speed
SP: 33.35 mm/s
EP: 11.11 mm/s
LP: 16.67 mm/s, playback only
Maximum recording
playback time
8 hrs. in EP mode (with T-160 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
Ver 1.0 1998. 08
SLV-ED1/ED4/ED7/ED8
4-5 4-6
4-2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAMS
MA-323 (HEAD AMP) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board.
– Ref. No.: MA-323 board; 2,000 series –
HEAD AMP
MA-323 (1/10)
• Waveforms
1IC501 4REC 2IC501 @• REC 3IC501 @™ PB 4IC501 @¡ REC/PB 5IC501 !• REC/PB 6IC501 !¶ REC/PB
2.8 Vp-p (H)
100m Vp-p (H) 800m Vp-p (H)
4.6 Vp-p (2 V)
2.2 Vp-p (H)
5.2 Vp-p (2 V)
SLV-ED1/ED4/ED7/ED8
4-11 4-12
MA-323 (VIDEO, AUDIO) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board.
– Ref. No.: MA-323 board; 2,000 series –
VIDEO, AUDIO
MA-323 (2/10)
Note:The components identified by mark !or dotted line
with mark !are critical for safety.
Replace only with part number specified.
Y-CCD CLAMP
AUDIO SEARCH OUT
AUDIO BYPASS
PB APC/REC AFC
4-13
SLV-ED1/ED4/ED7/ED8
• Waveforms
1IC201 4PB
2IC201 6REC
3IC201 7PB
4IC201 !∞ REC
5IC202 8REC/PB
7IC202 5REC/PB
8IC202 4REC/PB
9IC201 &¶ REC/PB
!º IC201 &¡ REC/PB
6IC202 1REC/PB
!™ IC201 %¶ REC/PB
!£ IC201 %£ REC/PB
!¢ IC201 %º PB
!∞ IC201 @§ REC/PB
!¡ IC201 ^º REC
840m Vp-p (H)
400m Vp-p (H)
840m Vp-p (H)
370m Vp-p (H)
REC: 250m Vp-p (H)
PB : 300m Vp-p (H)
REC: 400m Vp-p (H)
PB : 500m Vp-p (H)
360m Vp-p (H)
560m Vp-p (H)
REC: 470m Vp-p (H)
PB : 260m Vp-p (H)
440m Vp-p (H)
1 Vp-p (H)
2.2 Vp-p (H)
5 Vp-p (H)
640m Vp-p (H)
1.1 Vp-p (3.58 MHz)
4-14
• Waveforms
1IC161 @¢ REC/PB
2IC161 #¡ REC
3IC161 #™ REC
4IC161 #• REC/PB
5IC161 #ª REC/PB
7IC161 $£,$∞ REC/PB
8IC161 %™ REC/PB
9IC161 ^ª REC/PB
!º IC161 &™ REC/PB
6IC161 $º REC/PB
SLV-ED1/ED4/ED7/ED8
4.9 Vp-p (2 V)
5 Vp-p (2 V)
5 Vp-p (2 V)
4.7 Vp-p (2 V)
4 Vp-p (1 kHz)
2 Vp-p (H)
4.2 Vp-p (360 Hz)
2.4 Vp-p (14.318 MHz)
2.2 Vp-p (32.768 kHz)
3.2 Vp-p (10 MHz)
SLV-ED1/ED4/ED7/ED8
4-15 4-16
MA-323 (SYSTEM CONTROL) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board.
– Ref. No.: MA-323 board; 2,000 series –
SYSTEM CONTOROL
MA-323 (3/10)
SLV-ED1/ED4/ED7/ED8
4-17 4-18
MA-323 (SERVO CONTROL) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board.
– Ref. No.: MA-323 board; 2,000 series –
SERVO CONTROL
MA-323 (4/10)
Note:The components identified by mark !or dotted line
with mark !are critical for safety.
Replace only with part number specified.
SLV-ED1/ED4/ED7/ED8
4-19 4-20
MA-323 (Hi-Fi AUDIO) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board.
– Ref. No.: MA-323 board; 2,000 series –
– SLV-ED7/ED8 –
Hi-Fi AUDIO
MA-323 (5/10)
SLV-ED1/ED4/ED7/ED8
4-21 4-22
MA-323 (IO) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board.
– Ref. No.: MA-323 board; 2,000 series –
IO
MA-323 (6/10)
SLV-ED1/ED4/ED7/ED8
4-23 4-24
MA-323 (TUNER) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board.
– Ref. No.: MA-323 board; 2,000 series –
TUNER
MA-323 (7/10)
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