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This set provides the Test Mode that can be used for the following 
check modes.

•  Setting the TEST MODE

(1) Turn on the power to the set. Slide the [REC LEV-

EL] switch while pressing [X PAUSE] button and 
[T-MARK] button simultaneously. (The direction of 
sliding the switch is not specifi ed.)

(2) Slide the [REC LEVEL] switch in the reverse di-

rection of the direction (1) while holding down [X  
PAUSE] button and [T-MARK] button together.

(3) Slide the [REC LEVEL] switch in the reverse di-

rection of the direction (2) while holding down [X 
PAUSE] button and [T-MARK] button together.

•  Exiting the SERVICE/TEST MODE
  The TEST MODE is cancelled by turning off power (remov-

ing the battery).

  (See Section 5. Flow Chart of the TEST MODE.)

•  Initial state upon entry into the TEST MODE.

    LCD display

 

3.  OK or NG Judgment
 

OK or NG judgment in each mode is returned by a LCD dis-
play.

 

When TEST is entered, the system will keep the power state in 
a state equivalent to the Idle state. This is for system to check 
the power device of each section for its operation. However 
during execution of the Sleep command, the system will take 
control based on the Sleep state since the standby current need 
be measured.

Version
KeyChk+Fmt
DSP Loop
Lcd Contrast
Cluster Num

Version
KeyChk+Fmt
Loop
Lcd Contrast
Cluster Num
RTC Int
Battery
DCIN
VBUS
Sleep
App LogOut
Log Output
Menu Init
Factory Ship
Key Check
Version

START

After power-on,

idle or sleep state

END

Exit from TEST MODE

Power OFF

(Remove the battery)

Press [X PAUSE] button and

[T-MARK] button simultaneously.

Slide [REC LEVEL] switch.

Slide [REC LEVEL] switch.

Release [X PAUSE] button and

[T-MARK] button.

Slide [REC LEVEL] switch.

SERVICE MODE

established Menu Display

[. FR/V]

[> FR/v]

6.  Transitions in Each Mode
 

The TEST MODE is entered and the details of the Service 
Menu are as follows:

1

Function: To check the version of the relevant module.

PCM-M10:  Destination (US, CN(CND), CH, KR, E)
Boot:  

Boot loader F/W version

ARM:  

F/W version for CPU (ARM section) 

DSP:  

F/W version for CPU (DSP section)

Date:  

Date and time of build

2

Function: To allow you to check inputs by pressing the cor-

responding keys.

Input checks as well as INT check. (KEY confi rmation checks 
and KEY_WAKE interrupt check)
Target keys to be inputted:
[x STOP], [X PAUSE], [. FR/V], [ ] [MENU], [DE-
LETE], [  A-B], [DISPLAY], [M FF/v], [T-MAKE], [N 
PLAY/ENTER], [z REC], [REC LEVEL], [DPC (SPEED 
CTRL) ON/OFF], [POWER/HOLD], [VOLUME +], [VOL-
UME –]
[MIC SENS (ATT)] is excluded from these checks.

When an input has been determined, the backlight is illumi-
nated for 0.5s.
When all the inputs have been confi rmed at least once, OK is 
displayed on the LCD and the LED (GREEN) is lit. 
Use [x STOP] or [MENU] button to return to the menu.

3

Function: To allow you to check key inputs by pressing the cor-

responding keys.

Input checks as well as INT check. (KEY confi rmation checks 
and KEY_WAKE interrupt check)
Target keys to be inputted:
[x STOP], [X PAUSE], [. FR/V], [ ] [MENU], [DE-
LETE], [  A-B], [DISPLAY], [M FF/v], [T-MAKE], [N 
PLAY/ENTER], [z REC], [REC LEVEL], [DPC (SPEED 
CTRL) ON/OFF], [POWER/HOLD], [VOLUME +], [VOL-
UME –]
[MIC SENS (ATT)] is excluded from these checks.

When an input has been determined, the backlight is illumi-
nated for 0.5s.
When all the inputs have been confi rmed at least once, NAND 
is formatted (all the issues are deleted) and the MENU settings 
are defaulted. (However, LCD Contrast is held.)
When the formatting has been normally completed, the system 
is restarted (rebooted).

4

Function: To perform a DSP LOOP BACK.

[PLAY]: 

  Starts Loop Back

[STOP]: 

  Stops Loop Back 

[VOLUME +/-]:  As per the volume control of the set 
 

  (initial value: 20).

[MIC/LINE IN]:  As per the set control.
[REC LEVEL]:   As per the set control.
[DPC]: 

  Audio out

 

  (OFF: HP OUT, ON: LINE OUT)

[HOLD]: 

  (OFF: LIMITER OFF, ON: LIMITER ON)

 

  MANUAL: “MUTE” is switched on or off  
  each time [T-MARK] button is pressed.

Input: 

  INTMIC, EXTMIC, LINEIN

Output: 

  HP (HP OUT), SP (SPEAKER), LO (LINE  
 OUT) 

5

Function: To adjust the contrast of the LCD.

The default (initial value) is taken as Value=XX (XXh).
(UI value: This is a value displayed in the TEST MODE.)

 

 

Initial value

UI value 

00     01     02    ...  10    ...  19      20

LCD[h] 

65h   67h   69h  ...  79h  ...  8Bh   8Dh

 

(Each value is provisional.)

6

Function: For design. Read the cluster number from memory.

7

Function: To perform a RTC self test.

The count is displayed at every second.
Use [B PLAY/ENTER] button to return to the menu.

8

Function: To display the current value of Battery A/D and 

whether it can be detected by the 5T735 detection 
register.

PCM-M10 : US   Boot : 04
ARM  1. 0. 00
DSP  0. 8. 05
Aug  28  2009  15 : 58 : 12

<KEY CHECK>
KEY :  -  -
REMAIN :  

18

Display the key confirmed.
Count down the number of 
the remaining keys.

<KEY CHECK>
KEY :  -  -
REMAIN :  

18

Display the key confirmed.
Count down the number of 
the remaining keys.

<Loop> PLAY
INTMIC 

t SP

Vol : 20     MUTE OFF
MANUAL
LIMITER : OFF

<Lcd Contrast>
Value :  10
[FF] + [FR] -

Display the current UI value.

<Cluster Num>

NAND : 16
M.S. : _ _

[STOP/MENU] : RET

<RTC Int>
01s
RTC Int OK

<Battery>

A/D : 9Dh
DETECT : OK
[STOP/MENU] : RET

9

Function: To display the current value of DCIN A/D and 

whether it can be detected by the 5T735 detection 
register.

0

Function: VBUS detection check.

VBUS is checked by both the 5T735 register and the M66592 
register and OK is displayed when it could be detected.

qa

Function: Sleep test.

It is tested that the Sleep Mode can be entered.
Pressing [x STOP] button it shifts to Deep Sleep.

qs

Function: For design. Output of the application’s operation log

qd

Function: For design. Log output.

qf

Function: To return the Menu settings to the factory settings.

Pressing [N PLAY/ENTER] button causes the Menu settings 
to the factory settings, showing “OK” on the LCD display in 
place of “-“.

qg

Function: To format the set to the factory settings.

Press [N PLAY/ENTER] button and the message “Format 
Start” appears. Once the formatting is successfully completed, 
the set is rebooted. The TEST MODE is terminated.

<DCIN>

A/D : 87h
DETECT : OK
[STOP/MENU] : RET

<VBUS>

DETECT (5T735) : OK
DETECT (M66592) : OK
[STOP/MENU] : RET

<Menu Init>

–

[PLAY] : ENTER
[STOP/MENU] : RET

<Factory Ship>

[PLAY] : ENTER
[STOP/MENU] : RET

Note:
•  All capacitors are in μF unless otherwise noted.  (p: pF)
  50 WV or less are not indicated except for electrolytics 

and tantalums.

•  All resistors are in 

Ω and 

1

/

4

 W or less unless otherwise 

specifi ed.

•      f   : internal component.
•  C  : panel designation.

•  A  : B+ Line.
•  B  : B– Line.
•  Power voltage is dc 3.0V and fed with regulated dc power 

supply from battery terminal.

•  Voltages and waveforms are dc with respect to ground 

under no-signal (detuned) conditions.

  no mark :  PB
  [          ] : REC
       

*

     : Impossible to measure

•  Voltages are taken with a VOM (Input impedance 10 M

Ω).

  Voltage variations may be noted due to normal production 

tolerances.

•  Waveforms are taken with a oscilloscope.
  Voltage variations may be noted due to normal production 

tolerances.

•  Circled numbers refer to waveforms.

•  Signal path.
  c   : REC (DIGITAL)
  L   : PB (DIGITAL)
  J 

 : REC (ANALOG)

  F 

 : PB (ANALOG)

Note:
•  X  : Parts extracted from the component side.
• 

 : Pattern from the side which enables seeing.

  (The other layers' patterns are not indicated.)

Caution:
Pattern face side: 
(SIDE B)
Parts face side:
(SIDE A)

Parts on the pattern face side seen 
from   the pattern face are indicated.
Parts on the parts face side seen from   
the parts face are indicated.

Note: 
The components identi-
fi

 ed by mark 0 or dotted 

line with mark 0 are criti-
cal for safety. 
Replace only with part 
number specifi ed.

Note: 
Les composants identifi és 
par une marque 0 sont 
critiques pour la sécurité. 
Ne les remplacer que par 
une piéce portant le nu-
méro spécifi é.

•  Lead layouts

•  The voltage and waveform of CSP (chip size package) 

cannot be measured, because its lead layout is different 
from that of conventional IC.

• Abbreviation
  CND  : Canadian model
 CH  : Chinese model
  KR 

: Korea model

• Abbreviation
  CND  : Canadian model
  CH 

: Chinese model

  KR 

: Korea model