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Service Manual
SLV-ED1PL/ED4PL/ED7KR/ED8PL
SERVICE MANUAL
Ver 1.0 1998. 08
• 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.
Abbreviated
ED1
model name
ED1PL
All model
names
SLV-
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
MICROFILM
ED4
ED7
ED8
ED4PL
ED7KR
ED8PL
SPECIFICATIONS
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
Photo: SLV-ED1PL
Timer section
Clock
Timer indication
Timer setting
Power back-up
General
Power requirements
Power consumption
Operating temperature
Storage temperature
VIDEO CASSETTE RECORDER
RMT-V247B/V248
Korean Model
SLV-ED7KR
Philippine Model
SLV-ED1PL/ED4PL/ED8PL
S MECHANISM
G
Quartz locked
12-hour cycle
8 programs per month (max.)
Built-in self-charging capacitor
Back-up duration: up to 1 hour at a time
110 – 240 V AC, 50/60 Hz
19W (ED1/ED4)
22W (ED7/ED8)
5 ˚C to 40 ˚C
–20 ˚C to 60 ˚C
– Continued on next page –
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Summary of Contents for Sony SLV-ED1PL
- Page 1 Korean Model SLV-ED7KR Philippine Model Ver 1.0 1998. 08 SLV-ED1PL/ED4PL/ED8PL Photo: SLV-ED1PL S MECHANISM • 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.
-
Page 2: Printed Wiring Board And Schematic Diagrams
SLV-ED1/ED4/ED7/ED8 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 – • Waveforms 2 IC501 @• REC 3 IC501 @™ PB 4 IC501 @¡... - Page 3 SLV-ED1/ED4/ED7/ED8 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 – AUDIO SEARCH OUT AUDIO BYPASS Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
- Page 4 SLV-ED1/ED4/ED7/ED8 • Waveforms 1 IC201 4 PB 6 IC202 1 REC/PB !¡ IC201 ^º REC 840m Vp-p (H) REC: 400m Vp-p (H) 1 Vp-p (H) PB : 500m Vp-p (H) 2 IC201 6 REC 7 IC202 5 REC/PB !™ IC201 %¶ REC/PB 400m Vp-p (H) 360m Vp-p (H) 2.2 Vp-p (H)
- Page 5 SLV-ED1/ED4/ED7/ED8 • Waveforms 1 IC161 @¢ REC/PB 6 IC161 $º REC/PB 4.9 Vp-p (2 V) 4 Vp-p (1 kHz) 2 IC161 #¡ REC 7 IC161 $£,$∞ REC/PB 5 Vp-p (2 V) 2 Vp-p (H) 3 IC161 #™ REC 8 IC161 %™ REC/PB 5 Vp-p (2 V) 2.4 Vp-p (14.318 MHz) 4 IC161 #•...
- Page 6 SLV-ED1/ED4/ED7/ED8 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) 4-15 4-16...
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Page 7: Servo Control
SLV-ED1/ED4/ED7/ED8 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 – Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. - Page 8 SLV-ED1/ED4/ED7/ED8 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) 4-19 4-20...
- Page 9 SLV-ED1/ED4/ED7/ED8 MA-323 (IO) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – MA-323 (6/10) 4-21 4-22...
- Page 10 SLV-ED1/ED4/ED7/ED8 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) 4-23 4-24...
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Page 11: Mode Control
SLV-ED1/ED4/ED7/ED8 MA-323 (MODE CONTROL) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – MODE CONTROL MA-323 (8/10) 4-25 4-26... - Page 12 SLV-ED1/ED4/ED7/ED8 MA-323 (FL DRIVER) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – FL DRIVER MA-323 (9/10) 4-27 4-28...
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Page 13: Power Supply
SLV-ED1/ED4/ED7/ED8 MA-323 (POWER SUPPLY) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. - Page 14 SLV-ED1/ED4/ED7/ED8 DS-80 (MODE CONTROL) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM – Ref. No.: DS-80 board; 2,000 series – DS-80 – SLV-ED1 – BOARD MA-323 VIDEO, AUDIO, I/O, POWER BLOCK (HS-921SF) SERVO/SYSTEM CONTROL, TUNER (POWER SUPPLY) STOP PLAY DS-80 (MODE CONTROL) (12) 1-669-810- MODE CONTROL...
- Page 15 SLV-ED1/ED4/ED7/ED8 NK-11 (KOREAN STEREO) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM – Ref. No.: NK-11 board; 1,000 series – – SLV-ED7 – There are few cases that the part isn't mounted in this model is printed on this diagram. NK-11 NK-11 BOARD(SIDE A) BOARD(SIDE B) 1-669-815-...
- Page 16 SLV-ED1/ED4/ED7/ED8 DM-76 (MODE CONTROL), MF-312 (MODE CONTROL, FRONT IN) PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS – Ref. No.: DM-76 board, MF-312 board; 1,000 series – – SLV-ED4/ED7/ED8 – There are few cases that the part isn't mounted in this model is printed on this diagram. DM-76 BOARD PAUSE...
- Page 17 SLV-ED1/ED4/ED7/ED8 HS-921SF/921SF1 (POWER SUPPLY) SCHEMATIC DIAGRAM – Ref. No.: HS-921SF/921SF1 board; 3,000 series – – SLV-ED1/ED4 – HS-921SF/921SF1 BOARD D401 T101 10ELS4 C109 C401 R102 47µF 0.047µF 630V L103 D301 L301 S2LA20 22µH CN201 9P D102 C110 C303 EG01 68pF 0.01µF C301 C302...
- Page 18 SLV-ED1/ED4/ED7/ED8 SR-708 (POWER SUPPLY) SCHEMATIC DIAGRAM – Ref. No.: SR-708 board; 4,000 series – – SLV-ED7/ED8 – SR-708/718 BOARD R201 D201 T101 EG01C 1/2W R102 C110 R209 C201 0.01µF 47µF 400V IC101 SWITCH L202 D202 10µH RL4Z IC101 MIP184 D105 EG01C CN201 9P C203...