40
RCD-CX1
3.2. 音声出力せず
(1) LINE(1/2) 入力時
Audio 系電源電圧確認
・ ± 12V̲A
N.G.
半田付けを確認
・ [CY074] [CX074]
・ 8U-210025 (SMPS UNIT) [ ± 12V̲A]
O.K.
SELECTOR 制御信号確認
・ [SEL̲CK] [SEL̲DATA] [SEL̲STB]
N.G.
半田付けを確認
・ [IC302] [IC501]
O.K.
VOLUME 用電源電圧確認
・ [IC503] 22pin "+7V" O.K.?
・ [IC503] 21pin "-7V" O.K.?
・ [IC507] 8pin "+7V" O.K.?
・ [IC507] 4pin "-7V" O.K.?
N.G.
半田付けを確認
・ [IC504] [RL505] [TR503] [IC507]
・ 8U-210025 (SMPS UNIT) [ ± 12V̲A]
O.K.
VOLUME 制御信号確認
・ [VOL̲CLOCK] [VOL̲DATA] [VOL̲LATCH]
N.G.
半田付けを確認
・ [IC302] [IC503]]
O.K.
PREOUT MUTE 信号確認
・ [IC302] 78pin "H"level O.K.?
N.G.
半田付けを確認
・ [IC302] [RL502] [TR505]
O.K.
PREOUT オーディオデータ 出力確認
・ [RCA] PREOUT Lch
・ [RCA] PREOUT Rch
N.G.
半田付けを確認
・ [IC508] [IC509]
O.K.
ICE POWER 電源電圧確認
・ ± 33V
・ ± 5V
・ -22V
N.G.
半田付けを確認
・ [IC702] [IC703] [TR708] [TR709] [ZD701]
・ 8U-210025 (SMPS UNIT) [ ± 33V] [ ± 12V̲A]
O.K.
ICE POWER 制御信号確認
・ [IC705] 4pin "H"level O.K.?
N.G.
半田付けを確認
・ [IC705] [TR701] [IC302]
O.K.
SP MUTE 制御信号確認
・ [IC302] 77pin "H"level O.K.?
N.G.
半田付けを確認
・ [IC302] [RL701] [TR701]
O.K.
SP TERMINAL オーディオデータ 出力確認
・ [SP TERMINAL] Lch
・ [SP TERMINAL] Rch
N.G.
半田付けを確認
・ [IC705] [RL701] [TR701] [CX022] [CX023]
O.K.
終了
3.2. No Sound
(1) LINE(1/2)-in
Check Power Supply Voltages for AUDIO.
•
±
12V_A
N.G.
Check Soldering.
• [CY074] [CX074]
• 8U-210025 (SMPS UNIT) [
±
12V_A]
O.K.
Check control signal for SELECTOR.
• [SEL_CK] [SEL_DATA] [SEL_STB]
N.G.
Check Soldering.
• [IC302] [IC501]
O.K.
Check Power Supply Voltages for VOLUME.
• [IC503] 22pin "+7V" O.K.?
• [IC503] 21pin "-7V" O.K.?
• [IC507] 8pin "+7V" O.K.?
• [IC507] 4pin "-7V" O.K.?
N.G.
Check Soldering.
• [IC504] [RL505] [TR503] [IC507]
• 8U-210025 (SMPS UNIT) [
±
12V_A]
O.K.
Check control signal for VOLUME.
• [VOL_CLOCK] [VOL_DATA] [VOL_LATCH]
N.G.
Check Soldering.
• [IC302] [IC503]
O.K.
Check PREOUT MUTE signal.
• [IC302] 78pin "H"level O.K.?
N.G.
Check Soldering.
• [IC302] [RL502] [TR505]
O.K.
Check PREOUT Audio Data output.
• [RCA] PREOUT Lch
• [RCA] PREOUT Rch
N.G.
Check Soldering.
• [IC508] [IC509]
O.K.
Check Power Supply Voltages for ICE POWER.
•
±
33V
•
±
5V
• -22V
N.G.
Check Soldering.
• [IC702] [IC703] [TR708] [TR709] [ZD701]
• 8U-210025 (SMPS UNIT) [
±
33V] [
±
12V_A]
O.K.
Check control signal for ICE POWER.
• [IC705] 4pin "H"level O.K.?
N.G.
Check Soldering.
• [IC705] [TR701] [IC302]
O.K.
Check control signal for SP MUTE.
• [IC302] 77pin "H"level O.K.?
N.G.
Check Soldering.
• [IC302] [RL701] [TR701]
O.K.
Check SP TERMINAL Audio Data output.
• [SP TERMINAL] Lch
• [SP TERMINAL] Rch
N.G.
Check Soldering.
• [IC705] [RL701] [TR701] [CX022] [CX023]
O.K.
END
Содержание RCD-CX1
Страница 4: ...4 RCD CX1 DIMENSION 138 8 130 4 158 300 7 25 5max 220 220 48 212 300 10 100 40 40 40 ...
Страница 44: ...44 RCD CX1 MEMO ...
Страница 51: ...51 RCD CX1 TC9273CFG IC501 BLOCK DIAGRAM ...
Страница 52: ...52 RCD CX1 2 FL DISPLAY 8BT258GINK FL 601 PIN CONNECTION GRID ASSIGNMENT SEGMENT DESIGNATION ANODE CONNECTION ...
Страница 53: ...53 RCD CX1 PRINTED WIRING BOARDS 8U 210024 SYS DAMP DISP P W B UNIT 1 2 COMPONENT SIDE ...
Страница 54: ...54 RCD CX1 8U 210024 SYS DAMP DISP P W B UNIT 2 2 FOIL SIDE ...
Страница 55: ...55 RCD CX1 8U 210025 SMPS SPT P W B UNIT COMPONENT SIDE FOIL SIDE ...
Страница 56: ...56 RCD CX1 8U 310008 DRIVE SACD DAC P W B UNIT COMPONENT SIDE FOIL SIDE ...
Страница 78: ...78 RCD CX1 MEMO ...
Страница 90: ...90 RCD CX1 MEMO ...
Страница 94: ...8 7 6 5 4 3 2 1 A B C D E F RCD CX1 SCHEMATIC DIAGRAMS 2 24 8U 310008 DRIVE SACD DAC UNIT 2 3 ...
Страница 95: ...8 7 6 5 4 3 2 1 A B C D E F RCD CX1 SCHEMATIC DIAGRAMS 3 24 8U 310008 DRIVE SACD DAC UNIT 3 3 ...
Страница 103: ...8 7 6 5 4 3 2 1 A B C D E F RCD CX1 SCHEMATIC DIAGRAMS 11 24 8U 210024 SYS DAMP DISP UNIT 3 6 8U 210024 1 PHONO BLOCK ...