Kenwood DNX 7320 Service Manual

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DDX7032/7032M/712
DNX7120/7220/7320

COMPONENTS DESCRIPTION

Ref. No. Application / Function Operation / Condition / Compatibility
|C701 Voltage detection lC u-com reset voltage (35V) monitoring
|C702 Pin100 u-com Mainly control Audio board
|C704 Power IC Power amplifier for speaker output
|C705 3-terminal regulator DSP7D5V circuit
Q1,2 Transistor P,CON output circuit
Q3 Transistor Reverse detection circuit
Q4 Transistor P,CON output circuit
Q5 Transistor Parking detection circuit
QB Transistor P,CON output circuit
Q7 Transistor ANT,CON output Circuit
Q8 Transistor ILLUMI detection circuit
QS Transistor ANT,CON output Circuit
Q10 Transistor BU detection circuit
Q11 Transistor EXTiCONT output circuit
Q13 Transistor SURGE detection circuit
Q14 Transistor ACC detection circuit
Q100 Transistor DSP7A5V circuit
Q101 Transistor PW-IC midpoint circuit
Q102 Transistor DSP7A5V circuit
Q103 Transistor PW-IC midpoint circuit
Q104 Transistor T8V circuit (E-TYPE ONLY)

Q105 Transistor BU5V circuit

Q106 Transistor PW-IC midpoint circuit

Q107 Transistor T8V circuit (E-TYPE ONLY)

Q108 Transistor BU5V Circuit

0109,110 Transistor PW-IC midpoint circuit

Q111,112 Transistor SW5V circuit

Q113,114 Transistor S|R78W14V circuit (K/R-TYPE ONLY)
Q115,116 Transistor ASV circuit

Q117 Transistor SIR,SW14V circuit (K/R-TYPE ONLY)
Q118 Transistor A8V circuit

Q119 Transistor SIR,SW14V circuit (K/R-TYPE ONLY)
Q120~122 Transistor DSPiDSV Circuit

QSOO~302 Transistor ADCiMUTE circuit

Q500,501 Transistor On during AM (Tuner8V)

0650,651 Transistor SATiRX SW circuit

0652 Transistor SIRIUsiDET SW Circuit

Q700 Transistor RESET detection circuit

Q701 Transistor DET MUTE circuit (Trigger Reset)
Q702 Transistor Video signal detection circuit (AV selector a u-com)
Q703 Transistor AV selector control RESET circuit
Q704 Transistor DET MUTE circuit (Trigger Reset)
Q705 Transistor AV selector control circuit

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DDX7032/ 7032 M/712
DNX7120/7220/ 7320

TEST MODE

5.7. DVD

0 Use CD media KTD-02A, DVD media TDV-540A/lTD-1OO
to play back in the order of the following sequence.

0 Use Title1-Chapter1" while Loading.

0 Check CDDA (KTD»O2A)

0 Use Track UP/DW to play back in the order of sequence
as shown below:

1699159106116126136146961...

Track 28 is directly selected by pressing [RDM] key.

0 DVD audio/video checking (TDV-540A)
Use Chapter UP/DW" to play back in the order of se-
quence as shown in Tables 5.7.1 and 5.7.2.
Use FM/AM on the remote controller to change the video/

audio check.

For DVD video checking.

Title Chapter Audiostream
3 6 Level Audiostream1
3 17 AM/PM noise Audiostream1
3 8 Ehzqrzggeiétics Audiostream1

12 Color measurement Audiostream1
1kHz OdB PCM96k/24bit Audiostream3
6 17Hz PCM96k/24bit Audiostream3

Table 5.7.1 DVD Video check

For DVD audio checking.

Title Chapter Audiostream
4 1 1kHZ OdB PCMQGk/24bit Audiostream3
4 6 17Hz PCM96k/24bit Audiostream3
4 16 44kHz PCM96k/24bit Audiostream3
4 2 Infinity PCM96k/24bit Audiostream3
4 3 L PCM96k/24bit Audiostream3
4 4 R PCM96k/24bit Audiostream3
4 1 1kHz OdB Dolby Audiostream1
4 2 Infinity Dolby Audiostream1

Table 5.7.2 DVD Audio check

5.8. Audio

0 The default setting of Volume shall be Step 30.

0 In setting up BAL/FAD, the setting MIN 6 CENT 6 MAX"
can be made by 1 click.

0 In setting up Xover, the setting MIN 6 MAX" can be
made by 1 click.

0 In setting up Tone, the setting MIN 6 CENT 6 MAX" can
be made by 1 click.

0 The default setting of Tone (EQ) shall be Flat.

0 The default setting of System Q shall be Off.

0 When there is Digital Out terminal, the setting shall be
such that the output is always On.
0 The default setting of Line Mute shall be On.

5.9. AV-IF

- The default setting of AV-IN interruption shall be On.

0 The default setting of R-CAM Interruption shall be On.

0 Normally an interruption occurs when the R-CAM is de-
tected.

0 Reverse condition shall be always On.

0 The default setting of SP for NAVI interruption shall be
Front ALL.

0 Use Tenkey 3 on the remote controller to change V-IN mir-
ror mode.

5.10. Screen adjustment

0 By pressing Tenkey 5 on the remote control on each video
screen each video screens Screen adjustment items are
displayed.

0 The default value is Center.1 Items can move between Full
Down 6 Center 6 Full Up" by 1 click.

0 The default value of Bright during illumination Off shall be
MAX. (The Bright shall be Center during illumination On.)

5.11. BEEP

0 Beep regardless of any destination.
But do not output the BEEP during the screen transfer
and iPod/USB operation. (While in Standby source, BEEP
cannot be output because of PWIC restriction.)

5.12. DC Offset

0 DC Offset detection status (normal/error) clear
By pressing the [DC Offset Clear] key in the Service
screeny clear DC Offset detection information.

0 DC Offset detection information is displayed on the Infor»
mation screen/Service screen.

0 In the Test mode, even if DC Offset is detected, it is not
written into the nonvolatile memory.
However, the detection operation shall be carried out and
when the DC Offset is detected, the Protect shall be dis-
played and it becomes aII CH Mute operation.

0 Volume setting can be changed to the following settings
by pressing Tenkey 2 on the remote controller.
Source : DVD
Assigned DISC : KTD-02A
Assigned Track: 15 (20Hz, OdB)
Assigned VOL :26 Step

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