2.1.2. COMMON (ANALOG / DIGITAL SEL ➡ SPK Output)
Check Soldering or replace device.
Check the 2.2. ANALOG IN
Check the 2.3. USB-A / MLC3730S
Check the 2.4. USB-B / XS1U8A128FB217C10
Check the 2.5. COAXIAL / OPTICAL 1 / OPTICAL 2
[RL62] 1pin (12V)
[RL62] 8pin (0V) / Function : ANALOG
[RL62] 8pin (12V) / Function : DIGITAL
[Q653]
Check Soldering or replace device.
MAIN PCB
[CN81] 5, 1pin
MAIN PCB ➡ VOLUME PCB
[CN81] 3, 7pin ➡ [BN81] 1, 5, 3, 7pin
➡ [VR82]
Check Soldering or replace device.
MAIN PCB
Lch
[Q622], [Q623], [Q624], [Q625], [Q626], [Q627], [Q628], [Q629]
Rch
[Q722], [Q723], [Q724], [Q725], [Q726], [Q727], [Q728], [Q729]
Check Soldering or replace device.
MAIN PCB
[IC61] 4pin (-12V), 8pin (+12V)
[Q616], [Q617] (Audio Mute)
[IC71] 4pin (-12V), 8pin (+12V)
[Q716], [Q717] (Audio Mute)
Check Soldering or replace device.
MAIN PCB
[RL64] 1pin (12V)
[RL64] 8pin (0V) / S.Direct : ON
[Q654]
[RL65] 1pin (12V)
[RL65] 8pin (0V) / S.Direct : ON
[Q655]
MAIN PCB
[RL64] 1pin (12V)
[RL64] 8pin (12V) / S.Ditect : OFF
[Q654]
[RL65] 1pin (12V)
[RL65] 8pin (12V) / S.Ditect : OFF
[Q655]
[IC66] 17pin (+12V)
[IC66] 1, 32pin (Audio In) 7, 26pin (Audio Out)
[IC66] 14pin (SDA), 15pin (SCL)
N.G.
N.G.
N.G.
N.G.
N.G.
Check the Audio Signal output and input of ANALOG / DIGITAL
Selector.
MAIN PCB
Function : Analog 1 or 2
[RL62] 4pin (ANALOG-Lch), 5pin(ANALOG-Rch)
Function : COAX or OPT1 or OPT2 or iPod/USB or USB-DAC
[RL62] 3pin (DIGITAL-Lch), 6pin(DIGITAL-Rch)
➡
Function : COMMON
[RL62] 2pin(Lch), 7pin(Rch)
Check the VOLUME input and output.
[CN81] 5pin(VOLUME IN-Lch), 1pin(VOLUME IN-Rch)
➡
[CN81] 3pin(VOLUME OUT-Lch), 7pin(VOLUME OUT Rch)
Check the PRE AMP circuit.
MAIN PCB
[RL64] 2pin (Lch)
7pin (Rch)
Check the Unbalance ➡ Balance circuit.
MAIN PCB
[C622] Balance out Lch (-)
[C621] Balance out Lch (+)
[C722] Balance out Rch (-)
[C721] Balance out Rch (+)
Check the S.Direct ON/OFF, TONE CONTROL circuit.
-S.Direct ON-
MAIN PCB
[RL64] 4pin(Lch), 5pin(Rch)
➡
[RL65] 2pin(Lch), 7pin(Rch)
-S.Direct OFF-
MAIN PCB
[RL64] 3pin(TONE CONTROL IN-Lch), 6pin(TONE CONTROL IN-
Rch)
➡
[RL65] 3pin(TONE CONTROL OUT-Lch), 6pin(TONE CONTROL
OUT-Rch)
O.K.
O.K.
O.K.
O.K.
O.K.
37
Содержание HD-AMP1/U1B/K1B/FN
Страница 8: ...Personal notes 8 ...
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Страница 80: ...2 DISPLAY FLD GP1261AI FL81 DIMENSION PIN CONNECTION PTTERN DETAIL 80 ...
Страница 96: ...FRONT REF No Part No Part Name Remarks Q ty New Ver nsp BRACKET PCB CMD1A629 1 nsp IR BRACKET CMD1A944 1 16 ...