Pioneer SC-LX82 - BLOCK DIAGRAM for POWER BLOCK

34
SC-LX82
1
2 3 4
A
B
C
D
E
F
1
2 3 4
4.9 BLOCK DIAGRAM for POWER BLOCK
T8701
STBY Trans
IC8711
NJM78M56FA
+5.6V
T1501
MAIN TR A N S
Q7300
2SD2083(Y)
+64V
RECTIFIER
D7400,D7401,
C7400,C7401
(+70V/-70V)
Q7301
2SB1383(Y)
-64V
Q7241
2SD1762A(DE)
-B+11V (-53V)
Q7212
2SB1186A(DE)
-6.9V
IC7252
NJM79M12FA
-12V
IC7251
NJM78M12FA
+12V
Q7211
2SD1763A(DE)
+6.9V
IC7271
NJM78M05FA
+5V
IC7272
NJM79M05FA
-5V
Q7201
Q7202
TO OUTPUT STAGE
TO GATE DRIVER
TO MODULATOR
TO INPUT STAGE
TO PRITECTION RY
IC7502
NJM79M12FA
-12V
IC7501
NJM78M12FA
+12V
IC7521
NJM78M06FA
+6V
IC7611
NJM78M12FA
+12V
IC7601
NJM78M56FA
+5.6V
IC7602
NJM79M05FA
-5.6V
D7625
PTZ24(B)
-24V
D7624
HZU6R2(B)
-30V
Q5601
2SD1664(PQR)
+9V
Q5501
2SD1858X(QR)
+7V
Q5502
2SB1238X(QR)
-7V
TUNER MODULE
V+5_DDD (RDS)
V+12RY
D6002
RR264M-400
+5V
Q6015
LSC4081UB(QR)
+3V
D6003
RR264M-400
-5V
Q6016
LSA1576UB(QR)
-3V
EMMA2 POWER
RECTIFIER
D8801,C8801
(+15.5V)
SEC1
(R L1)
(2.75A)
SEC2
(R L2)
(250mA)
SEC3
(R L3,15)
(350mA)
SEC9
(R L13)
(180mA)
SEC8
(RL12)
(1.5A)
SEC7
(RL11)
(3.5A)
SEC4’
(RL14)
(240mA)
SEC5
(R L6,7,9)
+12 : 67mA
+5.6 : 360mA
-5.6 : 150mA
SEC6
(RL10)
(150mA)
SEC4
(R L4,5)
+12 : 240mA
-12 : 150mA
V+3V
V-3V
V+5V
V-5V
OPEN
(NC)
103.4V / 51.7V
AC+DC
16.6V
AC+DC
20.4V / 10.4V
AC+DC
31.4V / 15.8V
AC+DC
12.2V
AC+DC
12.9V
AC+DC
31.3V / 15.7V
AC+DC
20.4V / 10.3V
AC+DC
20.3V / 10.2V
AC+DC
4.8V
AC+DC
DC
+70.25V
DC
-70.27V
DC
+63.47V
DC
-63.45V
DC
+11.79V
DC
+11.91V
DC
-12.15V
DC
-5.05V
DC
+5.04V
AUTO Mode DC
LOW +5.9V : HI 13.3V
DC
+15.34V
DC
+11.85V
DC
-11.93V
DC
+5.92V
DC
+11.95V
DC
+5.61V
DC
-5.71V
12.23V
AC+DC
DC
+5.61V
DC
+4.79V
DC
-4.91V
DC
-3.09V
DC
+3.02V
DC
-6.55V
DC
+6.53V
DC
+11.95V
43
3
8
2
4
6
6
3
2
2
5
2
5
5
5
5
2 : /CUXJCA,/JJP
3 : /SYXJ5,/FXJ/
AXJ5,/DLPWXJ
+B
-B+10V
V+5_MD
V-5V_MD
V+12DF
V-12DF
V+5_DDD(RDS)
V+FAN
V-FAN
V+12RY
V+12A
V-12A
V+6AD
V+12A
V-12A
V+6AD
V+12TRG
V-5.6V
V-5.6V
-VF
FLAC1
FLAC2
V+5.6ST
V+7
V+7
V+12RY
V-12RY
V-12HD
-B
+BB
V+5.6U
-BB
AUDIO
ASSY
A
PRIMARY ASSY
U
REG ASSY
V
B_REG ASSY
X
FRONT BRIDGE ASSY
I
B_DIODE ASSY
Y
ICEPOWER AMP ASSY
Q
ICE_REG ASSY
W
HDMI RECT
ASSY
Z
COMPONENT
ASSY
G