Pioneer SC-27 Service Manual page 23

5
JP8004
10
V+5R6_U K
V+5R6_ST
R
GNDV
GNDV
RMC
GNDV
232EV
DISPLAY ASSY
XEMRST5
EVSI5
EVSO
EVSCK (AWX9454: SC-27)
EMPOW
LOWPOW
ACWP
(AWX9481: SC-25)
XSMUTE
HOTPLUG
CECIO
(AWX9528: SC-9540)
XVDDERR
XOLERR
TEMPERR5
EV232RX
EV232TX
232POWER
EVREQI5 D20PYY0410E
XDCERR
V+5_UH
XFANERR
POWLED
AMPTEMP
POWER KEY
232CDET
GNDV
SR IN2
IR IN
EVREQO
9455)
B
ADX7649-
+B
GND
GND
B 3/90
-B
+B
ADX7622-
GND
GND
4/275
B
N8601 V-BRIDGE ASSY
R
30
(AWX9457)
30
N6002
(
H H
COMPOSITE_S ASSY
(AWX9443)
N8602
30
30
N6501
CN7701
ACWP
ACRY2
6
ACRY1
V+5R6_ST
GNDST
CN7706
V+5_DDD
GNDHD
XRDSRST
RDSSCK
RDSSI
TUSI
TUSCK
TUSO
TUCE
CN6951
CN6952
21
21
PRE BRIDGE
CN5005
CN5006
ASSY (AWX9440)
ASSY (AWX9434)
CN6953
*1.00mm
16
16
CN6801 *1.00mm
ER
CN6811 CN6821
19 17
X9444)
19 17
CN3802 CN3801
ICE INTERFACE
P
ASSY (AWX9430)
3870 CN3860 CN3850 CN3840 CN3830 CN3820
5 6 6 5 6
5 6 6 5 6
4600 CN4500 CN4400 CN4300 CN4200
5
6
-
When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS
LIST" or "PCB PARTS LIST".
The > mark found on some component parts indicates the importance of the safety
-
factor of the part.
Therefore, when replacing, be sure to use parts of identical designation.
-
J0002
M
POWER SW
4/100
ASSY
*2mm
POWER SW ASSY
(AWX9456)
Y B_DIODE ASSY
(AWX9451)
)
1/2- 2/2
H
CN6502
ADX7693-
8/75
ADD7650-
9/115
S
V+5_DDD
GNDHD
XDRSRST
RDSSCK
RDSSI
TUSI
TUSCK
TUSO
TUCE
TUCE
TUSO
TUSCK
TUSI
GNDT
TL
V+9_T
TR
VSM
FMDET
GNDT
AXM7040-
FAN
JH6801
D20PYY0410E
4
CN4900
CN3810
6 5
6 5
CN4100 CN4700
6
: The power supply is shown with the marked box.
ADX7701-
7/230
ADX7657-
CN7251
CN7241
2/175
2
7
GND_MD(S) FU14
!
ADX7677-
V-5_MD
FU13
GND_MD !
4/200
V+5_MD
REK1142
(1A/125V)
FU15
!
REK1143
LOCK DET
(1.25A/125V)
V-FAN
ADX7715-
V+FAN
FU11
!
FANCTLH
6/200
FANCTLL
FU12
!
XFANERR
REK1143
(1.25A/125V)
CN7601
V-REG
! FU32
FU31
!
FLAC1
REK1143
FLAC2
V-12_A
-VF (1.25A/125V)
GNDA
V+12_TRG
GNDA
V+5R6_V
V+12_A
GNDV
GNDV V+6_AD
V-5R6_V
ADX7717-
5/175
ADX7692-
5/100
AA
H GUARD ASSY
(AWX9441)
ADD7651-
TUNER
MODULE
11/115
AXX7267-
O
ICE SHIELD ASSY
(AWX9445)
4/100
*2mm
JH6991
4
SC-27
7
• NOTE FOR FUSE REPLACEMENT
CAUTION - FOR CONTINUED PROTECTION AGAINST
RISK OF FIRE, REPLACE WITH SAME TYPE AND
RATINGS OF FUSE.
W
S1
ICE_REG ASSY
(AWX9448)
CN7201
S2,S3,S9
B-REG
ICE REG
MAIN TRANS
SECONDARY
T1501: ATS7422
A-REG
V-REG
S5,S6
CN7501
A-REG
S4,S4'
V
FU21
!
FU22
!
REK1143
(1.25A/125V)
REG ASSY
(AWX9452)
SHIELD CASE AMR7526-B
PRIMARY BARRIER AEC7569-
GNDST
V+5_6ST !
SUB
ACRY1
ACRY2
TRANS
ACWP
U
PRIMARY ASSY
(AWX9458)
JUMPER CONNECTOR
BOARD IN
FFC CONNECTOR(I)
ANOTHER CONNECTOR
FFC
2.0mm CABLE HOLDER
2.0mm FLAT CABLE
BOARD TO BOARD
PH SHIELD
( )
1/5- 5/5
Q Q Q
ICEPOWER AMP ASSY
(AWH7022: SC-27)
(AWH7019: SC-25, SC-9540)
7
8
A
B
S7 S8
HDMI
DCDC
RECT
C
!
PRIMARY
CUXJCA,JJP
D
CN8701
CUXJCA,JJP
VEK1029
(10A/125V)
FU1
!
E
!
AC CORD
ADG7111
F
23
8