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PDF DS27820 Data sheet ( Hoja de datos )
| Número de pieza | DS27820 | |
| Descripción | Remote Control Color TV Service Manual | |
| Fabricantes | Sanyo | |
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Hay una vista previa y un enlace de descarga de DS27820 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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AS
SERVICE MANUAL
Remote Control Color
Television
FILE NO.
DS27820 (U.S.A.)
ORIGINAL VERSION
AS
Contents
Safety Instructions . . . . . . . . . . . . . . . . . . 2
Service Adjustments . . . . . . . . . . . . . . 3 - 9
Service Hints . . . . . . . . . . . . . . . . . . . . . . 10
Mechanical Disassemblies. . . . . . . . . . . 11
Chassis Electrical Parts List . . . . . . 12 - 22
Cabinet Parts List . . . . . . . . . . . . . . . . . . 23
Component and Test Point
Locations . . . . . . . . . . . . . . . . . . . 24 - 27
Schematic Insert . . . . . . . . . . . . . . . 29 - 36
Schematic Notes . . . . . . . . . . . . . . . . . 29
Pin Layouts . . . . . . . . . . . . . . . . . . . . . 29
Capacitor and Resistor Codes . . . . . . 29
Block Diagram . . . . . . . . . . . . . . . 30 - 31
Voltage Charts . . . . . . . . . . . . . . . 30 - 32
Waveforms. . . . . . . . . . . . . . . . . . . . . . 32
Schematic Diagram . . . . . . . . . . . 33 - 36
DS27820, G7JAM, PRODUCT CODE 111358980
Chassis No. 27820-00
NOTE: Match the Chassis No. on
the unit’s back cover with
the Chassis No. in the
Service Manual.
If the Or iginal Version
Service Manual Chassis
No. does not matc h the
unit’s, additional Service
Literature is required. You
must refer to “Notices” to the
Original Service Manual
prior to servicing the unit.
Specifications
Power Rating . . . . . . . . . . . . . . . . . . . . . 120V, 60Hz
86W (Avg), 2.5A (Max)
Antenna Input Impedance . . . . . . . . . . . . . . . . . 75Ω
UHF/VHF/CATV
Receiving Channel . . . . . . . . . . . . . . . . 2 - 13 (VHF),
14 - 69 (UHF),
01, 14-94, 95-125 (CATV)
Remote Ready . . . . . . . . . . 38 Key Remote Control
Sound Output . . . . . . . . . . . . . . . . . . . . . . 3.0 W/CH
Intermediate Frequency
Picture IF Carrier . . . . . . . . . . . . . . . . . . 45.75MHz
Sound IF Carrier . . . . . . . . . . . . . . . . . . 41.25MHz
Color Sub Carrier . . . . . . . . . . . . . . . . . 42.17MHz
Picture Tube . . . . . . . . . . . . . . . . . . . A68AJB82X04
Semiconductors
Integrated Circuits. . . . . . . . . . . . . . . . . . . . . . . 12
Transistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Except within Tuner and RC Pre-Amp.
Cabinet Dimensions
Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 664 mm
Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . 629 mm
Depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 541 mm
REFERENCE No. SM780080
http://www.Datasheet4U.com
1 page  
Table 1. ON-SCREEN SERVICE MENU (Continued)
When IC802 (EEPROM) is replaced, check the bus data to confirm they are the same as below. The shaded menu should be
checked and be set up or readjusted according to the procedures described in the following pages. Initial Setup Data
marked with an * should be changed from Initial Reference Data. (See page 3 for Initial Bus Data Setup.)
NO.
TITLE
INITIAL REFERENCE INITIAL SETUP
DATA
DATA
RANGE OF DATA
FUNCTION
46 VL
4
4 0~7 Video Level
47 EWD
39
39
0~63
EW DC
48 EWA
30
30
0~63
EW Amp
49 EWT
34
34
0~63
EW Tilt
50 EWP
7
7 0~7 EW Corner Top
51 EWB
8
8
EW Corner Bottom
52 HSC
4
4
Horz Size Comp
53 SB
32
32
0~63
Sub Bright
54 SCO
7
5*
0~31
Sub Color
55 STI
20
20
0~31
Sub Tint
56 SSH
12
8*
0~31
Sub Sharpness
57 OPT
0
88*
0~255
Option (See Note 1 page 6.)
58 OP2
0
54*
0~255
Option 2 (See Note 2 page 6.)
59 HR
24
18*
0~63
OSD Horizontal Position
60 ATT
10
10
0~63
Input Level
61 WDB
32
32
0~63
Wideband
62 SPC
32
32
0~63
Spectral
63 SBO
5
5
0~255
Sub Bright Offset
64 PCO
40
40
0~63
PIP Color
65 PTI
40
40
0~63
PIP Tint
66 PUV
24
24
0~63
PIP Top Position
67 PDV
147
147
0~255
PIP Bottom Position
68 PLH
10
10
0~63
PIP Left Position
69 PRH
101
101
0~255
PIP Right Position
70 PCN
42
42
0~63
PIP Y Level
71 PBS
15
15
0~63
PIP BGP Phase
72 DRV
64
64
64
0~127
Red Drive Adjustment (See Note 3 page 6.)
64
0~127
Blue Drive Adjustment (See Note 3 page 6.)
–0
0
0~255
Red Bias Adjustment (See Note 4 page 6.)
73 –
0
0
0~255
Green Bias Adjustment (See Note 4 page 6.)
–0
0
0~255
Blue Bias Adjustment (See Note 4 page 6.)
—5—
5 Page 
MECHANICAL DISASSEMBLIES
CABINET BACK REMOVAL
1. Refer to Figure 1, remove 9 screws.
2. Pull off cabinet back and remove.
CHASSIS REMOVAL
1. Remove cabinet back.
2. Discharge the picture tube anode (2nd anode lead) to the
dag coating (picture tube grounding lead).
3. Disconnect degaussing coil socket (KD), picture tube
socket, deflection yoke connector (KX), speakers
connector (KSP), picture tube ground lead, and 2nd
anode lead.
4. Remove chassis completely by sliding it straight back.
Figure 1. Cabinet Back Removal
DEGAUSSING
COIL
PICTURE TUBE REMOVAL
CAUTION: Do not disturb the deflection yoke or magnet
assembly on the picture tube neck. Care must be taken to
keep these assemblies intact, unless picture tube is being
replaced. Discharge the picture tube to the coating before
handling the tube.
1. Remove chassis, referring to Chassis Removal instructions.
2. Place cabinet’s front face down on a soft surface.
3. Remove the screw on each corner of the picture tube and
GENTLY lift the picture tube out of the cabinet.
4. Install a replacement picture tube in reverse order.
Properly install the degaussing coil and picture tube
grounding lead on the picture tube. See Figure 2.
Note: If Picture Tube is being replaced, mount the Degaussing
Coil properly on the tube. See Figure 2.
DEGAUSSING
COIL HOLDER
TO PICTURE TUBE
SOCKET BOARD
GROUND
DEGAUSSING COIL
SOCKET
PICTURE TUBE
GROUNDING LEAD
Figure 2. Picture Tube Removal
— 11 —
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet DS27820.PDF ] | |
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