Denon RCD-CX1 Service Manual

41
RCD-CX1
(2) PHONO 入力時
(3) AM/FMTUNER 入力時
PHONO用電源電圧確認
･ [IC401]8pin"+12V"O.K.?
･ [IC401]4pin"-12V"O.K.?
･ [IC302]53pin"H"levelO.K.?
N.G.
半田付けを確認
･ [IC302][RL401][TR405][CY074]
･ 8U-210025(SMPSUNIT)[ ± 12VA]
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
･ [IC401][IC707][TR401-TR404][S401]
O.K.
AM/FMTUNER用電源電圧確認
･ [CX111]2pin"+9V"O.K.?
･ [IC502]1pin"H"levelO.K.?
N.G.
半田付けを確認
･ [IC502][IC302][CX111]
･ 8U-210025(SMPSUNIT)[+12VA]
O.K.
TUNER制御信号確認
･ [CE][DI][CL][DO/ST/SD][TUNED]
*[RDSINT]*[RDSDATA]*E2ONLY
N.G.
半田付けを確認
･ [IC302][CX111]
O.K.
TUNERMUTE制御信号確認
･ [IC705]69pin"L"levelO.K.?
N.G.
半田付けを確認
･ [IC302][TR712][TR501-TR503][CX111]
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
･ [IC401][IC707][TR401-TR404][S401]
O.K.
終了
終了
(2) PHONO-in
(3) AM/FM TUNER-in
Check Power Supply Voltages for PHONO.
• [IC401] 8pin "+12V" O.K.?
• [IC401] 4pin "-12V" O.K.?
• [IC302] 53pin "H"level O.K.?
N.G.
Check Soldering.
• [IC302] [RL401] [TR405] [CY074]
• 8U-210025 (SMPS UNIT) [ ± 12V_A]
O.K.
Check PREOUT Audio Data output.
• [RCA] PREOUT Lch
• [RCA] PREOUT Rch
N.G.
Check Soldering.
• [IC401] [IC707] [TR401-TR404] [S401]
O.K.
Check Power Supply Voltages for AM/FM TUNER.
• [CX111] 2pin "+9V" O.K.?
• [IC502] 1pin "H"level O.K.?
N.G.
Check Soldering.
• [IC502] [IC302] [CX111]
• 8U-210025 (SMPS UNIT) [ ± 12V_A]
O.K.
Check control signal for TUNER.
• [CE] [DI] [CL] [DO/ST/SD] [TUNED]
*[RDS_INT] *[RDS_DATA] *E2 ONLY
N.G.
Check Soldering.
• [IC302] [CX111]
O.K.
Check control signal for TUNER MUTE.
• [IC705] 69pin "L"level O.K.?
N.G.
Check Soldering.
• [IC302] [TR712] [TR501-TR503] [CX111]
O.K.
Check PREOUT Audio Data output.
• [RCA] PREOUT Lch
• [RCA] PREOUT Rch
N.G.
Check Soldering.
• [IC401] [IC707] [TR401-TR404] [S401]
O.K.
END
END

Denon RCD-CX1 Specifications

General

Brand	Denon
Model	RCD-CX1
Category	Car Receiver
Language	English