Power Block Diagram - Pioneer SC-07 Service Manual

1

4.6 POWER BLOCK DIAGRAM

QQ
3 7 63 1515 0
A
T1501
POWER TRANS
B
C
TE
L 13942296513
2:/KU,/JJ
3:/H*,/LF
D
E
T
PRIMARY ASSY
T8701
STBY Trans
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F
30
1
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2
B DIODE
X
ASSY
RECTIFIER
3
D7400,D7401,
C7400,C7401
(+70V/-70V)
W ICE REG ASSY
Q7241
8 2SD1763A(DE)
-B+11V (-53V)
IC7271
NJM78M05FA
+5V
IC7272
NJM79M05FA
-5V
IC7251
NJM78M12FA
+12V
IC7252
NJM79M12FA
-12V
Q7241
Q7201 2SD1763A(DE)
+6.9V
Q7242
Q7202 2SB1186A(DE)
2 -6.9V
AA
HDMI RECT
ASSY
RECTIFIER
2 2
D8801,C8801 V+12HD
(+15.5V)
V REG ASSY
IC7501
5 NJM78M12FA
+12V
IC7502
NJM79M12FA
-12V
IC7521
NJM78M06FA
+6V
5
IC7611
NJM78M12FA
+12V
IC7601
NJM78M56FA
+5.6V
IC7602
NJM79M05FA
-5.6V
D7625
PTZ24(B)
-24V
D7624
HZU6R2(B)
-30V
IC8711
V+5.6ST
NJM78M56FA
+5.6V
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2
http://www.xiaoyu163.com
3
8
V+5.6U
B REG
Y
ASSY Q
ICEPOWER AMP ASSY
3 4
+BB Q7300 +B
2SD2083(Y)
+64V
TO OUTPUT STAGE
-BB Q7301 -B
2SB1383(Y)
-64V
2
-B+10V TO GATE DRIVER
4
V+5_MD
TO MODULATOR
V-5V_MD
6
V+12DF
TO INPUT STAGE
V-12DF
V+12RY
TO PROTECTION RY
V-12RY
6 I FRONT BRIDGE ASSY
V+FAN
V-FAN
AUDIO
A
ASSY
5
V+12A
V-12A
V+6AD
Q Q
3 6 7 1 3
Q5501
2SD1858X(QR)
+7V
Q5502
2SB1238X(QR)
-7V
Q5601
2SD1664(PQR)
+9V
5
V+12TRG
V+5.6V
V-5.6V
V+5.6ST
D6002
RR264M-400
+5V
D6003
RR264M-400
-5V
G
CONPONENT ASSY
6
V+5.6U
-VF
FLAC1
FLAC2
K
DISPLAY ASSY
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SC-07
3
4
2 9 9 4 2 8
V+12L
V-12L
V+12R
V-12R
V+12C
V-12C
V+12SL
V-12SL
V+12SR
V-12SR
V+12SBL
V-12SBL
V+12SBR
V-12SBR
3 COOLING FAN
V+12TRG
V+5.6U
V+7A
V-7A
V+12HD
V+12A
V-12A
V+6AD
1 5 0 5 8 2 9 9 4
TUNER MODULE
V+12TRG
V+5.6V
V-5.6V
V+12TRG
V+5.6ST
V+5.6U
Q6015
V+5V 2SC4154(EFG)
V+3V
+3V
V+5V
Q6016
V-5V 2SA1602A(EF)
V-3V
-3V
V-5V
V+5.6ST
V+5.6U
m
co
4
9 9
2 8 9 9