Philips CDR796, CDR795 VARIOUS TESTS, SERVICE TESTPROGRAM

SERVICE TESTPROGRAMVARIOUS TESTS

END-USER DIAGNOSTICS

(CDR module)

To enter

END-USER DIAGNOSTICS

hold S & T buttons on CDR side depressed while plugging mainscord in.

Display shows for 5s each:

• Software version of set ∝P

S-CDR795-VXX

S stands for Service mode VXX stands for Version number of the software used in the Front (Display) ∝P.

•Software versions of the CDR module:

MOXXXX BXXXX

MOXXXX stands for Software version of MOZART flash ROM 7101 BXXXX stands for Software version of Basic Engine

flash EPROM 7017

		SDRAM TEST 7100
		Display shows:
			DTST1
	CHECKSUM TEST 7101
		Display shows:
			DTST2
		ERASE TEST 7101
		Display shows:
			DTST3
	COMMUNICATION TEST
			(UART-BUS)
		Display shows:
			DTST4
N							Y
			TEST O.K.?
					Display shows
						NEW
						for 2s.
				EEPROM is cleared
					and default values
					are stored.
Display shows:					Display shows:
FAILED						PASSED
for 3s.						for 3s.

EXIT

END-USER DIAGNOSTICS

5-7

5-7

To enter Service

*

To leave Service Testprogram plug mains cord off.

Testprogram hold

PLAY & REC buttons

*

In the main menu the sound settings (volume, ...)

depressed while

and trays work as in normal mode.

plugging mainscord in.

Display shows

S stands for Service mode

version number

VXX stands for Version number

of the ∝P - software.

of the software used in the

S-CDR795-VXX

Front (Display) ∝P.

DISPLAY TEST

QUARTZ TEST

KEY TEST

FORMAT EEPROM

EEPROM TEST

TEMPERATURE

N

(NTC) TEST

DISPLAY button

SPEED button

N

CD ALBUM - button

N

SHUFFLE button N

INPUT button

N

STANDBY button

N

pressed?

pressed?

pressed?

pressed?

pressed?

pressed?

Y

Tact frequency ∝P

Y

Y

Y

Y

Y

(divided 10MHz)

Display shows

Display shows

Display shows

Display shows

Testpattern is written to

Display shows

all segments and flags

address 1

for checking open circuits.

10M

KEY --

NEW

NTC XX

and

see figure 1

1220±37Hz can be measur.

Numbers acc. table 2

for 2s.

read back again

XX = value in °C

All LEDs are switched on.

on f0 (pin 23 of ∝P).

are indicated as long as a

EEPROM is cleared and

button is held depressed.

default values are stored.

If a button is pressed

on the Remote Control

N

STOP

button

KEY RC is shown

STOP button

This test should only be used to clear

N

and the ; flag flashes.

N

Test ok?

N STANDBY

button

STOP button

N

pressed?

pressed?

the EEPROM in case of a ∝P-"hangup".

pressed?

pressed?

Y

Y

Attention: all data are set to default values,

Y

Y

Y

BLACK BOX data are not cleared.

CD STOP button

N

pressed?

Display shows

Display shows

Fan is switched on/off

display shows

Y

ERR

PASS

FAN ON

or

FAN OFF

for 2s.

STOP button N

pressed?

Y

KEY CODES

KEY

KEY CODE

KEY

KEY CODE

OPEN/CLOSE

0

ERASE CD

12

(CD)

STANDBY

1

PLAY/PAUSE

13

(CDR)

SPEED

2

STOP

14

(CDR)

PLAY/PAUSE

3

ALBUM -

15

STEP ALBUM

PLAYLIST MP3

TIME

TRACK

TOTAL REM

REC

TRACK TIME

(CD)

(CDR)

STOP

4 (exit)

ALBUM +

16

(CD)

(CDR)

ALBUM -

5

S

17

(CD)

(CDR)

CD PLAYER

REP TRACK DISC ALL PROG SHUFF

CD RECORDER

ALBUM +

6

T

18

1X 2X

DIGLINE

L

CDTEXT

REC

CD R W

(CD)

(CDR)

4X8X

OPTMIC

R

EDIT

FINALIZE

S

7

RECORD

19

(CD)

fig. 1

T

8

COPY CD

20

(CD)

DISPLAY

9

OPEN/CLOSE

21

(CDR)

SHUFFLE

10

INPUT

11

table 2 CDR79x servtest various, 240402