Pioneer XR-A550MD Service Manual page 90

XR-A550MD
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6.4.2.4 EEPROM (IC1402) Writing Procedure
1. Procedure for replacing EEPROM and writing
microcomputer initial settings to EEPROM
(1) Replace EEPROM.
(2) Short the IC1402 (EEPROM) 8 pin (PROTECT) and 2 pin (Vcc).
(3) Refer to the latest "EEPROM Content Table."
(4) Short TEST MODE2 while the power is ON and engage the
Test Mode 2.
(5) Version display
[ t s m ? ? ? ?e ? ? ]
EEPROM version ( c – z )
Microcomputer ROM version
Model code
(6) Press the MENU button 7 times. [ EEPROM_SET ]
(7) Perform the operation shown in the "EEPROM Setting Mode
Transition Diagram," compare the "EEPROM Content Table"
and the display, and set the "EEPROM Content Table" with
the FADE-OUT button and the FADE-IN button.
(8) Set the temperature standard value. (See "Temperature Standard
Value Setting Method.")
(9) Set all settings the same as those in the "EEPROM Content
Table."
(10) Execute AUTO Preliminary Adjustment and AUTO Adjustment.
(11) Cancel the IC1402 8 pin and 2 pin short.
(12) Press the PRESET button and write to EEPROM.
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2. Temperature Standard Value Setting Method
(Must be set with room temperature of 21°C – 29°C.)
(1) Test Mode STOP status ........................ [ tsm????e?? ]
(2) Because of the ambient temperature, apply a temperature
correction in accordance with the following table.
Ambient Correction
temperature value
–0.9 °C to +2.7 °C –06 H
+2.7 °C to +6.3 °C –05 H
+6.3 °C to +10.0 °C –04 H
+10.0 °C to +14.5 °C –03 H
+14.5 °C to +18.2 °C –02 H
+18.2 °C to +22.3 °C –01 H
+22.3 °C to +26.3 °C ±0 H
+26.3 °C to +30.3 °C +01 H
+30.3 °C to +34.6 °C +02 H
+34.6 °C to +39.0 °C +03 H
+39.0 °C to +42.8 °C +04 H
(3) Press the MENU button 7 times ............ [ EEPROM_SET ]
`
(4) Press the button once ....................... [ _ _Focus_ _ _ ]
(5) Press the MENU button 4 times ............. [ _ _ _ Temp_ _ _ ]
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`
button ......................... [ TEMP_ ??_
(6) Press the
??: Measured value,
(7) Set the temperature set value to the value determined above,
¡ 1
using the / buttons.
.
`
(8) Press the button ............................
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Example)
When the measured temperature
is 73H and the ambient tempera-
ture 22°C,
Temperature set value =
73H - 01H = 72H.
When there is a discrepancy
between two measured tem-
perature values, set the lower
value. (If the measured val-
ues are 73H and 72H, for ex-
ample, use 72H.)
♦♦
]
♦♦
: Set value
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[ _ _ _ Temp_ _ _ ]
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8
EEPROM Content Table
Focus Settings
Item display Set value
??
F G 97H
??
F F 1 9EH
??
F F 2 E0H
??
F Z H L E V EDH
F O K L E V n ??
08H
F O K L E V f ??
88H
F O K L P F n ??
00H
F O K L P F f ??
88H
??
W A I T f 90H
Spin Settings
Item display Set value
??
S P G 20H
??
S P G - i n B8H
??
S P G - m i d 76H
??
S P G - o u t 50H
??
S P 1 10H
??
S P 2 87H
??
S P 3 E3H
??
S P 4 E3H
??
S P 5 10H
??
S PDLIM 78H
Q Q
3 6 7 1 3 1 5
Tracking Settings
Item display Set value
??
T G 45H
??
T F 1 70H
??
T F 2 E0H
??
S V C N T 4 01H
??
T R B L V o 53H
??
T R B L V t 60H
??
T R K L V o 4CH
??
T R K L V t 38H
??
T D P W o 89H
??
T D P W t 1AH
??
S L C T o 00H
??
S L C T t 40H
??
S L C T m 53H
T C R S C I P ??
16H
??
C O T L V P 14H
??
C O T L V r 28H
??
W A I T m FFH
Slide Settings
Item display Set value
??
S L G 35H
??
S L 2 27H
??
S L D L I M 65H
??
co
S L D L E V 16H
??
S L K L V k 55H
??
.
S L K L V t 3AH
??
S L K L V m 55H
9 4 2 8
Control Settings
Item display Set value
C O N T R L 1 ??
80H
C O N T R L 2 ??
01H
S P K L E V m ??
26H
??
A D J T T M 14H
??
H D E Q A D 90H
??
L D E Q A D 8FH
??
G D E Q A D 91H
??
M D E Q B C 90H
??
L D E Q B C 8FH
??
G D E Q B C 8AH
??
H A L S G 21H
??
L A L S G 21H
??
G A L S G 21H
H A L S O F S ??
FEH
L A L S O F S ??
00H
G A L S O F S ??
00H
0 5 8 2 9 9 4 2 8
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