Panasonic RX-ES29EE Service Manual page 32

Portable stereo cd system
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RX-ES29EE
4. However, if the EEPROM was not detected, it will not display the EEPROM's checksum information. The LCD will display micro-
p version number (as shown below) for 1 sec and return to normal Doctor Mode display.
Note:
Within the Doctor Mode display, at any of the test modes, if [STOPn] key at main set is pressed, followed by [4] and [7] key from
the remote control, the micro-p's version number and EEPROM information will be displayed for 1 sec, and then returned to the
normal doctor mode display.
12.2.1. Inspection item list
Note:
· If entering Doctor Mode by numeric buttons, PRESET EQ will be set to OFF.
· In case of error, all the segments of LCD will blink (1 sec on and off) and Doctor Mode shall be retained.
12.2.2. CD Unit Loading Test (Reliability test 1)
· Putpose : To test CD Unit Loading (OPEN / CLOSE aging test) function.
− − − − The following operation will be carried out.
· Procedures :
1. Enter into doctor mode (Refer to section 12.2)
2. Press [
10] followed by [1] & [0] on the remote control.
Test number
1
Tact SW inspection
2
TONE inspection
3
LCD ALL Segment inspection
4
CD Unit Loading Test
5
CD Unit Traverse Test
6
CD Unit Combination Test
7
CD Unit Adjustment Test
8
SG2 Aging Test
9
EEPROM Checksum Check
10
BBD Check
Test Item
DOCTOR mode key
32
Operation key
(numeric buttons)
CD, [1]
[2],[3]
[4]
CD,[
10],[1],[0]
CD,[
10],[1],[1]
CD,[
10],[1],[2]
[
10],[2],[0]
TAPE, FF
TAPE,[8]

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