35
DN-S1200
FLOW CHART NO.11 (GU-3884:PANEL UNIT)
The key operation is not functioning.
Yes
No
Check the TR701~708and their periphery, and service
it if detective.
Yes
When pressing each switches, do the voltage of
each pin of IC702(shown below) increase?
No
Check the switches (S701~S704,S706~S710,S712
~S715,S717~S719,S721~S725,S727,S729,S731
~S734) and their periphery, and service it if detective.
Replace IC702.
Yes
No
Check the input signal from CY111 to IC802, IC803
and their periphery, and service it if detective.When the
input signal is correct, IC802 or IC803 is replaced.
Yes
FLOW CHART NO.12 (GU-3874:POWER UNIT)
Both functions of picture and sound do not operate normally.
The USB memory in which test signal (MP3,WAV)
of 1kHz/0dB is written is prepared.
With USB memory playback mode, with the test signal
of 1kHz/0dB it repeats between B from A and puts in
playback state.
Are the audio signals outputted to 14pin(Rch) and
15pin(Lch) of IC802?
No
Check periphery circuit from 14pin and 15pin to
IC804 of IC802, and service it if defective.
When the periphery circuit is correct, IC804 is
replaced.
Are the audio signals outputted to 7pin(Lch) and
1pin(Rch) of IC804?
Yes
Is 11pin of CY111 (MUTE control signal)H, and has
been the TR806 collector (MUTE drive signal) L(-9V)?
Yes
Check periphery circuit from 7pin and 1pin to
JK801 of IC804, and
replace
it if defective.
Check TR806 and the periphery circuit, and service it if
defective.
No
Are the contact point and the installation state of the
key switches (S701~S704,S706~S710,S712~S715,
S717~S719,S721~S725,S727,S729 S731~S734)
normal?
No
Re-install the switches (S701~S704,S706~S710,
S712~S715,S717~S719,S721~S725,S727,S729,
S731~S734) correctly or replace the poor switch.
Does LED(LD701,LD702,LD705~LD712,LD714,LD715,
LD717,LD719,LD721,LD727,LD732,LD735~LD737)
light correctly ?
S704,709,713,717,721,725,731,729
:
IC702 13pin
S732,733,734,715,719,702,705
:
IC702 14pin
S718,727,701
:
IC702 3pin
S703,708,712
:
IC702 4pin
S723,724,706,707
:
IC702 5pin
S710,714,722
:
IC702 6pin
フローチャート NO.11 (GU‑3884:PANEL UNIT)
キー操作が機能しない。
S701〜S704,S706〜S710,S712〜S715,S717〜S719,
S721〜S725,S727,S729,S731〜S734の接点及び
取り付け状態は正常か?
IC702を交換。
はい
いいえ
正しく取り付ける。または不良スイッチの交換。
はい
はい
いいえ
TR701〜TR708とその周辺回路をチェックし、
不良箇所を修理する。
いいえ
キースイッチ(S701〜S704,S706〜S710,S712〜S715,
S717〜S719,S721〜S725,S727,D729,S731〜S734と
その周辺回路をチェックし、不良箇所を修理する。
それぞれのキースイッチを押した時、
IC702のそれぞれの端子電圧は上がるか?
S704,709,713,717,721,725,731,729
:IC702 13pin
S732,733,734,715,719,702,705
:IC702 14pin
S718,727,701
:IC702 3pin
S703,708,712
:IC702 4pin
S723,724,706,707
:IC702 5pin
S710,714,722
:IC702 6pin
フローチャート NO.12 (GU‑3874:POWER UNIT)
音声が正常に出ない。
IC804の7pin(Rch)、1pin(Lch)にそれぞれ音声が
出力されているか?
いいえ
IC802の14pin、15pinからIC804の周辺回路を確認し、
不良箇所を修理。
周辺回路が正しい場合は、IC804を交換。
1kHz 0dBのテスト信号(MP3、WAV)を書き込んだUSB
メモリを用意し、USBメモリ再生モードにて、
1kHz 0dB A〜B間繰り返し再生状態にする。
IC802の14pin(Rch)、15pin(Lch)、にそれぞれ音声が
出力されているか?
いいえ
CY111からIC802、IC803への入力信号を確認し、
不良箇所を修理。
入力信号が正しい場合は、IC802もしくはIC803を交換。
いいえ
TR806周辺回路を確認し、不良箇所を修理。
はい
はい
CY111の11pin(MUTE制御信号)がHで、TR806コレクタ
(MUTEドライブ信号)がL(‑9V)になっているか?
IC804の7pin、1pinからJK801までの周辺回路を
確認し、不良部品を交換。
はい
LED(LD701,LD702,LD705〜LD712,LD714,LD715,LD717,
LD719,LD721,LD727,LD732,LD735〜LD737)は
正しく点灯するか?
Содержание DNS1200 - USB DJ CD Player
Страница 3: ...3 DN S1200 1 2 z 500V M 1 z 2 z...
Страница 4: ...4 DN S1200 DIMENSION...
Страница 24: ...24 DN S1200 MEMO...
Страница 30: ...30 DN S1200 MEMO...
Страница 36: ...36 DN S1200 BLOCK DIAGRAM...
Страница 38: ...38 DN S1200 MEMO...
Страница 40: ...40 DN S1200 R5S72630P200FP Block Diagram...
Страница 49: ...49 DN S1200 BD7956FS E2 IC302 BD7956FS E2 Block Diagram BD7956FS 1 27 54 28...
Страница 52: ...52 DN S1200 2 VFD MODULE 17 BT 30GINK FL701 CGROM code table...
Страница 53: ...53 DN S1200 PRINTED WIRING BOARDS GU 3873 MAIN P W B UNIT 1 2 COMPONENT SIDE...
Страница 54: ...54 DN S1200 GU 3873 MAIN P W B UNIT 2 2 FOIL SIDE...
Страница 55: ...55 DN S1200 GU 3874 POWER P W B UNIT 1 2 COMPONENT SIDE...
Страница 56: ...56 DN S1200 GU 3874 POWER P W B UNIT 2 2 FOIL SIDE...
Страница 57: ...57 DN S1200 GU 3884 PANEL P W B UNIT 1 2 COMPONENT SIDE...
Страница 58: ...58 DN S1200 GU 3863 PANEL P W B UNIT 2 2 FOIL SIDE...
Страница 69: ...69 DN S1200 MEMO...
Страница 76: ...76 DN S1200 MEMO...
Страница 77: ...77 DN S1200 WIRING DIAGRAM...
Страница 78: ...78 DN S1200 MEMO...
Страница 80: ...80 DN S1200 13 10 6 3 9 4 7 12 oscilloscope GND...
Страница 83: ...9 10 6 7 12 3 4 13 8 1 5 11 2 8 7 6 5 4 3 2 1 A B C D E F DN S1200 SCHEMATIC DIAGRAMS 1 6 GU 3873 MAIN UNIT 1 4...
Страница 84: ...8 7 6 5 4 3 2 1 A B C D E F DN S1200 SCHEMATIC DIAGRAMS 2 6 GU 3873 MAIN UNIT 2 4...
Страница 85: ...8 7 6 5 4 3 2 1 A B C D E F DN S1200 SCHEMATIC DIAGRAMS 3 6 GU 3873 MAIN UNIT 3 4...
Страница 86: ...8 7 6 5 4 3 2 1 A B C D E F DN S1200 SCHEMATIC DIAGRAMS 4 6 GU 3873 MAIN UNIT 4 4...
Страница 87: ...8 7 6 5 4 3 2 1 A B C D E F DN S1200 SCHEMATIC DIAGRAMS 5 6 GU 3874 1 POWER UNIT GU 3874 2 AC INPUT UNIT...