Sony MHC-V5 (serv.man3) Service Manual ▷ View online
3-8. Circuit operation (USB/Tuner)
Page 38
3: Playback sound is sent
as same as CD playback
operation.
as same as CD playback
operation.
2: USB signal is decoded in
Audio processor (IC301).
Audio processor (IC301).
1: USB signal is input to
USB HUB controller
(IC451).
USB HUB controller
(IC451).
Page 39
1: Tuner unit outputs
analog sound signal.
analog sound signal.
2: Analog sound signal
passes Audio
selector (IC605).
passes Audio
selector (IC605).
3: Digital sound signal
is output from
D/A converter
(IC606).
is output from
D/A converter
(IC606).
22
3-9. Circuit operation (Party Chain- Party Host)
P4: If the function is BT,
Digital audio sound
for Party chain outputs
from System controller
(IC101)
Digital audio sound
for Party chain outputs
from System controller
(IC101)
Page 39
P6: Digital audio signal is converted
to analog audio signal and amplified
by DAC(IC604) and LINE AMP(IC603).
And, the output signal timing is adjusted.
to analog audio signal and amplified
by DAC(IC604) and LINE AMP(IC603).
And, the output signal timing is adjusted.
P7: Analog audio signal passes
Audio selector (IC602).
Audio selector (IC602).
P8:Audio signal is amplified
by LINE AMP (IC601)
and output to AUDIO OUT.
by LINE AMP (IC601)
and output to AUDIO OUT.
P5: Digital audio sound
for Party chain inputs
to D/A selector (IC608).
for Party chain inputs
to D/A selector (IC608).
P3: If the function is CD, USB
or tuner, digital audio sound
for Party chain outputs
from Sampling rate
converter (IC610)
or tuner, digital audio sound
for Party chain outputs
from Sampling rate
converter (IC610)
P1: When “Party Chain” starts,
DC 1V as “Party Host”
is output to another sets to
start “Party chain”.
DC 1V as “Party Host”
is output to another sets to
start “Party chain”.
P2: Input DC voltage for detecting
new “Party Host” of DC 1V is
monitored by System controller
(IC101) continuously.
If new “Party Host” is detected,
this set changes to “Party Guest”.
new “Party Host” of DC 1V is
monitored by System controller
(IC101) continuously.
If new “Party Host” is detected,
this set changes to “Party Guest”.
23
3-10. Circuit operation (Party Chain- Party Guest)
Page 39
P3:Audio signal is amplified
by LINE AMP (IC601)
and output to AUDIO OUT.
by LINE AMP (IC601)
and output to AUDIO OUT.
P4: AUDIO IN signal inputs to
Audio selector (IC605).
Audio selector (IC605).
P2: If this set is in “Party Guest” mode,
Audio selector (IC602) pass through
AUDIO IN signal to AUDIO OUT.
Audio selector (IC602) pass through
AUDIO IN signal to AUDIO OUT.
P1: When DC voltage of “DC1V”
from “Party Host” is detected
by System controller(IC101),
this set is set to “Party Guest”.
from “Party Host” is detected
by System controller(IC101),
this set is set to “Party Guest”.
P5: AUDIO IN signal is converted
to digital signal in ADC (IC606).
to digital signal in ADC (IC606).
P6: AUDIO IN signal is output
as same as CD playback.
as same as CD playback.
P4: Only when this set changes
to “Party Guest”, DC2V as
“Party Guest” is added.
to “Party Guest”, DC2V as
“Party Guest” is added.
24
3-11. Circuit operation (Emergency protection)
Page 40
E1: If over current is
detected in AMP IC,
System controller
shows error
message of
“PROTECT E01”.
Ex. In case of Booster
is short-circuit.
detected in AMP IC,
System controller
shows error
message of
“PROTECT E01”.
Ex. In case of Booster
is short-circuit.
E2: If DC is detected
in speaker output,
System controller
shows error
message of
“PROTECT E04“.
in speaker output,
System controller
shows error
message of
“PROTECT E04“.
E3: If FAN rotation
condition become
worse and FAN
drive voltage
is abnormal,
System controller
shows error
message of
“PROTECT E04“.
condition become
worse and FAN
drive voltage
is abnormal,
System controller
shows error
message of
“PROTECT E04“.
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