Marantz PM-KI-PEARL-LITE, Руководство по обслуживанию

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37
BLOCK DIAGRAM AND LEVEL DIAGRAM
Power Amp Direct in
1.6v (4.0dB)
CD etc. 200mV (-14.0dB)
MM 2mV (-54.0dB)
70W 8Ω 23.6V (27.5dB)
PRE OUT 1.6V (4.0dB)
30
-30
-40
-50
-60
-70
dB
20
-20
10
-10
0
30
-30
-40
-50
-60
-70
dB
20
-20
10
-10
0
RIAA
IN
PU
T
SE
R
EC
TO
R
R
EC
O
U
T
SE
LE
C
TO
R
NFB
TREBLE
MID
NFB
R-CH
PROTECION
CIRCUIT
5V
±49V
24V
±18V
POWER AMP
PRE AMP
RELAY
12V μ-COM
RELAY
PHONO
CD
TUNER
AUX / DVD
RECORDER-1
IN
RECORDER-2
IN
RECORDER-1
OUT
RECORDER-2
OUT
PRE OUT
SPEAKER-A
(+)
SPEAKER-B
(-)
HEADPHONE
POWER
ON/OFF
STANDBY
RELAY
PROTECTION
POWER DETECT
CONTROLLER INDICATION LED
FUNCTION RELAY
RC5 I/R SENSOR
EEPROM
RC5 IN/OUT
μ-COM
STANDBY RELAY
INPUT SELECTOR
AC IN
FUSE
MAIN TRANS.
SUB TRANS.
VOLUME
BALANCE
SOURCE DIRECT
MUTE
POWER AMP
DIRECT
CD
DIRECT
5V INDICATOR
CD DIRECT
BUFFER
LINE BUFFER
FUSE
AC OUTLET
JAPAN VERSION ONLY
SPEAKER-B
(+)
SPEAKER-B
(-)
REC BUFFER
BASS
LINE DETECT SPEAKER RELAY
LINE DETECT
LINE DETECT
AMP
LINE DETECT
LINE DETECT
AMP
REGULATOR BLOCK
U-COM BLOCK
TONE BLOCK
PRE AMP BLOCK
MAIN BLOCK
PHONO BLOCK
MAIN AMP BLOCK