Marantz DV4400, Руководство по обслуживанию

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1-6-8 E57M2TR
Set the disc (with 5.1ch Audio) on the disc tray, and playback.
FLOW CHART NO.23 (FOR DV6400/N1B, DV6400/N1S)
Are the PCM data signals outputted to each pin
of CN7102 on SACD CBA?
Are the analog audio signals outputted to each pin
of IC7201, IC7202 and IC7203?
Are the PCM data signals inputted to each pin
of IC7201, IC7202 and IC7203?
CN7102 7PIN PCM-DATA0
CN7102 5PIN PCM-DATA1
CN7102 3PIN PCM-DATA2
IC7201 4PIN PCM-DATA0
IC7202 4PIN PCM-DATA1
IC7203 4PIN PCM-DATA2
IC7201 9,10PIN FRONT(L/R)
IC7202 9,10PIN SORROUND(L/R)
IC7203 9,10PIN CENTER/SUBWOOFER
IC7301 2, 6PIN FRONT(L/R)
IC7401 2, 6PIN SORROUND(L/R)
IC7501 2, 6PIN CENTER/SUBWOOFER
Replace the DVD Main CBA Unit or DVD Mecha.
Is +5V voltage applied to the pin(8) of IC7201,
IC7202 and IC7203? And is +3.3V voltage applied
to the pin(7) of IC7201, IC7202 and IC7203?
Check each line between each pin of CN7102 and
each pin of IC7201, IC7202, IC7203 and service it
if defective.
CN7102 7PIN
→
IC7201 4PIN PCM-DATA0
CN7102 5PIN
→
IC7202 4PIN PCM-DATA1
CN7102 3PIN
→
IC7203 4PIN PCM-DATA2
Are the analog audio signals inputted to each pin
of IC7301, IC7401 and IC7501?
Are the analog audio signals outputted to each pin
of IC7301, IC7401 and IC7501?
IC7301 1,7PIN FRONT(L/R)
IC7401 1,7PIN SORROUND(L/R)
IC7501 1,7PIN CENTER/SUBWOOFER
SORROUND(L)
→
CN7102 19PIN, IC7202 14PIN
SORROUND(R)
→
CN7102 19PIN, IC7202 13PIN
CENTER
→
CN7102 19PIN, IC7203 14PIN
SUBWOOFER
→
CN7102 19PIN, IC7203 13PIN
Do the mute signals of each line (as shown below)
become to "H" level?
FRONT(L)
→
CN7102 18PIN, IC7201 14PIN
FRONT(R)
→
CN7102 18PIN, IC7201 13PIN
Is the analog audio signal of each line outputted to
each terminal of JK7101 (as shown below) ?
IC7301 1PIN
→
JK7101 FRONT(L)
IC7301 7PIN
→
JK7101 FRONT(R)
IC7401 1PIN
→
JK7101 SORROUND(L)
IC7401 7PIN
→
JK7101 SORROUND(R)
IC7501 1PIN
→
JK7101 CENTER
IC7501 7PIN
→
JK7101 SUBWOOFER
Check each line between each pin of IC7201,
IC7202, IC7203 and each pin of IC7301, IC7401
and IC7501, and service it if defective.
IC7201 9,10PIN
→
IC7301 2,6PIN FRONT(L/R)
IC7202 9,10PIN
→
IC7401 2,6PIN SORROUND(L/R)
IC7203 9,10PIN
→
IC7501 2,6PIN CENTER/SUBWOOFER
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
Replace the DVD Main CBA Unit or IC7203.
Check each line between each pins of ICs and
JK7101, and service it if defective.
Replace the DVD Main CBA Unit or IC7202.
Replace the DVD Main CBA Unit or IC7201.
Replace ICs (IC7201,
IC7202 or IC7203).
Replace ICs (IC7301, IC7401 or IC7501).
Check P-ON+3.3V or P-ON+5V
line and service it if defective.
Audio is not outputted to JK7101 normally. (1)