Evr Initial Data Input - Sony CCD-TRV32 Service Manual

[Power supply voltage adjustment]
Adjust the power supply voltage to be input to the battery terminal
so that the voltage across PD-74〈75〉76〈77〉 board CN802 〈CN1802〉
pins 3 (LCD UNREG) and pins 4 or 5 (UNREG GND) is 6.5 ±
0.1Vdc.
Power supply voltage check
Subject Any subject
Measuring equipment Digital voltmeter
D 3.1V check
CN801 〈CN1801〉 Pin 7
Measurement point
(SD-24〈25〉, PD-76〈77〉)
3.1 ± 0.1Vdc
Specification
(GND : CN801 〈CN1801〉 Pin 8)
PANEL 4.9V check
CN802 〈CN1802〉 Pin 6
Measurement point
(PD-74〈75〉76〈77〉)
4.65 ± 0.05Vdc
Specification
(GND : CN802 〈CN1802〉 Pin 7)
20-1.

EVR initial data input

Mode Stop
Signal Any signal
Adjustment page F
Note : Do not rewrite the EE PROM data except when it is
necessary such as replacement of SD-24〈25〉, PD-76〈77〉
board IC802 〈IC1802〉.
Modidication procedure:
Order
Page Address
1 6 00
2 F D8
D9
DA
DB
DC
DD
DE
DF
A0
A1
A2
A3
3 6 00
Values in parenthis ( ) are fixed values.
Data
TYPE1 TYPE2
PAL PAL
99 5A
60 5F
85 5D
7F 70
75 5F
A9 95
A8 90
88 30
(80) 65
(80) 7B
(FF) (FF)
(02) (04)
Type 1
2.5 inch (PAL only)
Type 2
Type 3
Type 4
3.5 inch (NTSC/PAL)
No mark : Type 1, Type 4
〈 〉 : Type 2, Type 3
TYPE3 TYPE4
NTSC NTSC
01
80 8C
71 C5
65 6A
66 77
60 6E
94 89
84 9B
36 AF
64 (80)
71 (7F)
(FF) (FF)
(05) (07)
00
6-33
LCD size LCD board
PD-74/SD-24
PD-75/SD-25
3.0 inch (NTSC)
Procedure
PAL
After setting the data, press the
PAUSE button. (Preparation)
91
67
7D
79
6C
8C Set each data to each address,
79 and press the PAUSE button.
A4
(80)
(7F)
(FF)
(08)
After setting the data, press the
PAUSE button. (End)
PD-77
PD-76