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SAFETY CHECK-OUT
1. Check the area of your repair for unsoldered or poorly-sol-
dered connections. Check the entire board surface for solder
splashes and bridges.
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 transis-
tors, that were installed during a previous repair. Point them
out to the customer and recommend their replacement.
out to the customer and recommend their replacement.
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer:
safety checks before releasing the set to the customer:
4. Look for parts which, though functioning, show obvious signs
of deterioration. Point them out to the customer and recom-
mend their replacement.
mend their replacement.
5. Check the B+ voltage to see it is at the values specified.
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 PUB-
LISHED BY SONY.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
SPECIFICATIONS
System
Color system
ED1/ED2/ED4/ED5/ED6/ED7MI/ED7MN:
PAL, MESECAM, NTSC 3.58,
NTSC 4.43
NTSC 4.43
ED3/ED7FS:
PAL, SECAM, MESECAM, NTSC 3.58,
NTSC 4.43
NTSC 4.43
EZ1/EZ4/EZ7:
PAL, NTSC 4.43
TV system
ED1/ED2/ED3/ED4/ED6/ED7MN:
B/G, D/K, I
ED5/ED7FS/ED7MI:
B/G, D/K, I, M
EZ1/EZ4/EZ7
B/G
Channel coverage
ED1/ED2/ED3/ED4/ED5/ED6/ED7:
B/G: VHF E2 to E12/UHF E21 to E69/
CATV S01 to S05, S1 to S41
D/K: VHF R1 to R12, C1 to C12/UHF R21
to R69, C13 to C57
I: VHF SA4 to SA13/UHF B21 to B69/
CATV S01 to S05, S1 to S41
M (ED5/ED7FS/ED7MI): VHF A2 to A13/
UHF A14 to A69/CATV A-8 to A1, A to W,
W+1 to W+84
CATV S01 to S05, S1 to S41
D/K: VHF R1 to R12, C1 to C12/UHF R21
to R69, C13 to C57
I: VHF SA4 to SA13/UHF B21 to B69/
CATV S01 to S05, S1 to S41
M (ED5/ED7FS/ED7MI): VHF A2 to A13/
UHF A14 to A69/CATV A-8 to A1, A to W,
W+1 to W+84
EZ1/EZ4 (COUNTRY is set to AUS),
EZ7AS:
EZ7AS:
VHF AS0 to AS12, AS5A, AS9A
UHF AS28 to AS69
CATV S01 to S05, S1 to S41
UHF AS28 to AS69
CATV S01 to S05, S1 to S41
EZ1/EZ4 (COUNTRY is set to NZ),
EZ7NZ:
EZ7NZ:
VHF NZ1 to NZ11
UHF E21 to E69
CATV S01 to S05, S1 to S41
UHF E21 to E69
CATV S01 to S05, S1 to S41
RF output signal
ED1/ED2/ED3/ED4/ED5/ED6/ED7/
EZ7NZ:
UHF channels 21 to 69
EZ1/EZ4/EZ7AS:
UHF channels 28 to 69
EZ7NZ:
UHF channels 21 to 69
EZ1/EZ4/EZ7AS:
UHF channels 28 to 69
Aerial out
75-ohm asymmetrical aerial socket
Inputs and outputs
LINE-IN (ED1/ED2/EZ1/EZ4/EZ7)
LINE-1-IN (ED3/ED4/ED5/ED6/ED7)
LINE-1-IN (ED3/ED4/ED5/ED6/ED7)
VIDEO IN, phono jack (1)
Input signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN (MONO), phono jack (1) (ED1/
ED2/ED3/ED4/ED5/EZ1/EZ4)
AUDIO IN, phono jack (2) (ED6/ED7/EZ7)
Input level: 327 mVrms
Input impedance: more than 47 kilohms
Input signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN (MONO), phono jack (1) (ED1/
ED2/ED3/ED4/ED5/EZ1/EZ4)
AUDIO IN, phono jack (2) (ED6/ED7/EZ7)
Input level: 327 mVrms
Input impedance: more than 47 kilohms
LINE-2 IN (ED4/ED5/ED6/ED7FS/ED7MI)
VIDEO IN, phono jack (1)
Input signal: 1Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN (MONO), phono jack (2) (ED4/
ED5)
AUDIO IN, phono jack (2) (ED6/ED7FS/
ED7MI)
Input level: 327mVrms
Input impedane: more than 47 kilohms
Input signal: 1Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN (MONO), phono jack (2) (ED4/
ED5)
AUDIO IN, phono jack (2) (ED6/ED7FS/
ED7MI)
Input level: 327mVrms
Input impedane: more than 47 kilohms
LINE-2 IN (SAT IN) (ED3/ED7MN)
LINE-3 IN (SAT IN) (ED4/ED5/ED6/ED7FS/
ED7MI)
LINE-3 IN (SAT IN) (ED4/ED5/ED6/ED7FS/
ED7MI)
VIDEO IN, phono jack (1)
Input signal: 1Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN (MONO), phono jack (2) (ED3/
ED4/ED5)
AUDIO IN, phono jack (2) (ED6/ED7)
Input level: 327mVrms
Input impedane: more than 47 kilohms
Input signal: 1Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN (MONO), phono jack (2) (ED3/
ED4/ED5)
AUDIO IN, phono jack (2) (ED6/ED7)
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/ED2/
EZ1/EZ4)
AUDIO OUT (MONO), phono jack (2)
(ED3/ED4/ED5)
AUDIO OUT, phono jack (2) (ED6/ED7/
EZ7)
Standard output: 327 mVrms
Load impedance; 47 kilohms
Output impedance: less than 10 kilohms
Output signal: 1 Vp-p, 75 ohms, unbal-
anced,
sync negative
AUDIO OUT, phono jack (1) (ED1/ED2/
EZ1/EZ4)
AUDIO OUT (MONO), phono jack (2)
(ED3/ED4/ED5)
AUDIO OUT, phono jack (2) (ED6/ED7/
EZ7)
Standard output: 327 mVrms
Load impedance; 47 kilohms
Output impedance: less than 10 kilohms
General
Power requirements
110 – 240 V AC, 50/60 Hz (ED1/ED2/ED3/
ED4/ED5/ED6/ED7)
220-240 V AC, 50 Hz (EZ1/EZ4/EZ7)
ED4/ED5/ED6/ED7)
220-240 V AC, 50 Hz (EZ1/EZ4/EZ7)
Power consumption
19W (ED1/ED2/ED3/ED4/ED5/EZ1/EZ4)
20W (ED6)
22W (ED7/EZ7)
20W (ED6)
22W (ED7/EZ7)
Operating temperature
5 ˚C to 40 ˚C
Storage temperature
–20 ˚C to 60 ˚C
Dimensions
Approx. 355
×
102
×
278 mm (w/h/d):
(ED1/ED2/EZ1)
Approx. 430
Approx. 430
×
100
×
286 mm (w/h/d):
(ED3/ED4/ED5/ED6/ED7/EZ4/EZ7)
including projecting parts and controls
including projecting parts and controls
Mass
Approx. 3.7 kg: (ED1/ED2/EZ1)
Approx. 4.2 kg: (ED3/ED4/ED5/ED6/ED7/
Approx. 4.2 kg: (ED3/ED4/ED5/ED6/ED7/
EZ4/EZ7)
Supplied accessories
Remote commander (1)
R6 (size AA) batteries (2)
Aerial cable (1)
Plug adaptor (1) (ED1ME/ED1SG/ED3/
ED4ME/ED4SG/ED6ME/ED6SG/ED7FS)
R6 (size AA) batteries (2)
Aerial cable (1)
Plug adaptor (1) (ED1ME/ED1SG/ED3/
ED4ME/ED4SG/ED6ME/ED6SG/ED7FS)
Design and specifications are subject to change
without notice.
without notice.
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