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CP-520
V
Service Manual
10
3
ALIGNMENT INSTRUCTIONS
3.1 MICROCONTROLLER CONFIGURATION : SERVICE MODE
To switch the TV set into service mode please see instruction below.
1 - Select PR. number 91
2 - Adjust sharpness to minimum and exit all menus.
3 – Within 2 seconds press the key sequence :
RED - GREEN - menu
The software version is displayed beside the word Service, e.g. “SERVICE VER
1.46
”.
To exit SERVICE menu press
menu
key or
Std By
key.
3.2 SERVICE MODE NAVIGATION
Pr Up/Down remote keys : cycle through the service items available.
Vol -/+ remote keys
: Dec./Increment the values within range – Cycle trough option bits.
OK key
: Toggle bits in option byte
Order
Item
Default setting
1
HOR CEN
2
RED GAIN
3
GRN GAIN
4
BLUE GAIN
5
RED BIAS
6
GRN BIAS
7
AGC LEVEL
8
G2 – SCREEN
9
OPTION1
10
OPTION2
11
AVL
12
PARABOLA
13
HOR WIDTH
14
CORNER T
15
CORNER B
16
HOR. PARAL
17
V. LINEAR
18
V. SLOPE
19
EW TRAPEZ
20
S CORRECT
21
VERT CENT
22
VERT SIZE
3.3 MICROCONTROLLER CONFIGURATION : OPTION BITS
There are two option bytes available (16 bits in all). These option bits are available from Service
mode. First find the OPTION1 or OPTION2 control, and then use the Volume PLUS/MINUS
buttons on the remote control keypad to locate the bits, and OK key to toggle them. The table
below shows the two option bytes available;
Summary of Contents for DTX-21G2
Page 17: ...CP 520V Service Manual 16 4 1 2 BLOCK DIAGRAM...
Page 26: ...CP 520V Service Manual 25 Block diagram LA42032...
Page 33: ...CP 520V Service Manual 32 5 CIRCUIT DESCRIPTION 5 1 BLOCK DIAGRAM...
Page 53: ...CP 520V Service Manual 7 Exploded View 52 7 1 DTX 21G2...
Page 54: ...CP 520V Service Manual Exploded View 53 7 2 DTX 21B4...
Page 55: ...CP 520V Service Manual Exploded View 54 7 3 DTX 21U7...
Page 56: ...CP 520V Service Manual 8 Printed Circuit Board 55 8 1 4859813693 OLD PCB...
Page 57: ...CP 520V Service Manual Printed Circuit Board 56 8 2 4859816393 NEW PCB...
Page 58: ...CP 520V Service Manual 9 Schematic Diagram 57...