System Control System Adjustment; Initialization Of 7, 8, C, D, E, F; Node Unique Id No. Input; Input Of Company Id - Sony DCR-TRV120 Service Manual

Digital8 digital video cassette recorder
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3-2.

SYSTEM CONTROL SYSTEM ADJUSTMENT

1. Initialization of 7, 8, C, D, E, F Page Data
If the 7, 8, C, D, E, F page data is erased due to some reason, perform
"1-2. INITIALIZATION OF 7, 8, C, D, E, F PAGE DATA", of "5-
1. CAMERA SECTION ADJUSTMENT"

2. Node Unique ID No. Input

Note 1: Perform "2-2. Input of Serial No." if the data on page C
has been cleared and the node unique ID No. is not found.

2-1. Input of Company ID

Write the company ID to the EEPROM (nonvolatile memory).
Page
C
Address
E8, E9, EA, EB, EC
Input method:
1) Select page: 0, address: 01, and set data: 01.
2) Enter the following data.
Note 2: Each time the data is set, press the PAUSE button on the
adjusting remote commander.
Address
Data
E8
08
E9
00
EA
46
EB
01
EC
01
3) Select page: 0, address: 01, and set data: 00.

2-2. Input of Serial No.

Write the serial No. and model code to the EEPROM (nonvolatile
memory).
In writing the serial No., a decimal number should be converted into
a hexadecimal number.
Page
C
Address
ED, EE, EF
1)
Select page: 0, address: 01, and set data: 01.
2)
Read the serial No. from the model name label, and it is assumed
to be D
.
1
Example: If serial No. is "77881",
D
= 77881
1
3)
From Table 5-3-3, obtain D
Example: If D
= 77881,
1
D
= D
– 65536 = 12345
2
1
H
= 00
1
D
(decimal)
D
(decimal)
1
2
(Service model code)
00001 to 65535
D
1
65536 to 131071
D
– 65536
1
131072 to196607 D
– 131072
1
196608 to 262143 D
– 196608
1
4)
Enter H
to address: ED on page: C.
1
Example: If H
= 00,
1
select page: C, address: ED, and set data: 00, then press the
PAUSE button.
5)
From Table 5-3-4, obtain the maximum decimal number less
than D
, and it is assumed to be D
2
Example: If D
= 12345.
2
D
= 12288
3
6)
From Table 5-3-4, obtain a hexadecimal number that corresponds
to D
, and it is assumed to be H
3
Example: If D
= 12288,
3
H
= 3000
3
7)
Caluculate D
using following equations (decimal caluculation).
4
(0
D
225)
4
D
= D
– D
4
2
3
Example: If D
= 12345 and D
2
D
= 12345 – 12288 = 57
4
8)
Convert D
into a hexadecimal number to obtain H
4
5-4-1 "Hexadecimal - decimal conversion table" in 5-4. Service
Mode)
Example: If D
= 57,
4
H
= 39
4
9)
Enter higher two digits of H
Example: If H
= 3000,
3
select page: C, address: EE, and set data: 30, then press the
PAUSE button.
10) Enter H
to address: EF on page: D.
4
Example: If H
= 39,
4
select page: C, address: EF, and set data: 39, then press the
PAUSE button.
11) Select page: 0, address: 01, and set data: 00.
5-40
and H1 that correspond to D
2
H
(hexadecimal)
1
00
00
00
00
Table 5-3-3
.
3
.
3
= 12288,
3
. (See Table
4
to address: EE on page: C.
3
.
1

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