Pioneer SX-SW77 Service Manual page 15

5
4-C1
UCOM
SR OUT
SR OUT
REMOCON
7
RMC
EEPROM
R5554
47k
IC5503 BR93L46RFJ-W
1
CS
2
SK
3
DI TEST
4
DO
POWER
SUPPLY
SR
5.06
µcom
µcom
Modulator FL DRIVER
VS+3R3 VU+5
VE+5
L1501
LFEA220J
22uH
84 PWRCONT2
R5606
0
R5607
85
FLCONT
STBY
FAN VOLTAGE TABLE
ROTATION POWER VOLTAGE
LOW VSF+12 12.3
Not Digital Stream.
VSFAN 6.7
(The Analog IN is excluded)
LOW VSF+12 13.1
Analog IN (VOL19 or less)
VSFAN
7.4
VSF+12 13.0
HIGH
12.2
VOL20 or more VSFAN
5
6
A 3/5
Destination WY,WV
*
R5513
R5515 47k
DSP
3-D2 *
MODEL ALL
R5514
A 2/5-5/5
47k
R5516
D5951
L5951
2
1SS355
3 QTL1013
1
JA5951
RKN1004
C
E
22k
R5804
8
VCC
7
NC
6
1k
5
GND
R5805
GNDD
VSFAN
4.98
VS+5
Q1301 (1/2)
UMF21N
C
E
B
GNDF
C2
B2
E2
Q1301 (2/2)
UMF21N
STBY
R5602
VFLDC-
6.8k
Q5601
VFLDC+
2SA1602A(EF)
FL
GNDD
-19.10
-25.30
VFDP
6
7
KU
47k
*
*
VE+5
R5951
4.7k
E
Q5952
2SA1576A(QR)
B
C
D5952
R5952
B
1SS355 1k
VS+12 VS+12
22k
R5801
Q5803
2SC4081(QR)
GNDD
VE+5
Q5804
2SC4081(QR)
1SS355
D5801
R5610
GNDD
560
R5609
FAN
560
VOLTAGE TABLE
R5614
FAN
560
D5608 D5607
D5606
1SS355 1SS355
UDZS3R9(B)
Q5604 (1/2)
UMF21N
D5609
C E
1SS355
B
C2
B2
E2
Q5604
FAN
UMF21N (2/2)
VOLTAGE TABLE
5.08
3.31
-22.70
R5601
100k
Q5603
2SC4081(QR)
R5603
R5604
100k
STBY
R5605
680
Q5602
2SA1602A(EF)
R5608
0
SX-SW77
7
A 1/5
MAIN ASSY
(WYXCN,WVXCN:AWK7883)
(KUXCN:AWK7884)
NOTES
All Capacitors are in p-pF or uF
unless otherwise specified
Ratings : Capacity(uF)/Voltage(V)
Rated Voltage : 50V unless
otherwise specified
SQ : CKSQ**(2125size)
CH : CCSRCH(1608size)
(others : CKSRYB(1608size))
JQ : CEJQ
(others : CEAT)
All Resistors are in k-k Ω, M-M Ω or Ω
1/8W : RS1/8S***J(3216size)
1/10W : RS1/10S***J(2125size)
(others : RS1/16S***J(1608size)
Reference voltage value
• It will be described in .
• It may fluctuate by the product.
BEAT CUT
VSFAN
CN5602
B2B-PH-K-S
FAN +
1
TUNER
GNDF
2
AUDIO BUFFER
INPUT SELECTOR
GNDF
VS+12
12.03
VSF+12
CN1001
B11B-PH-K-S
VSF+12
1
VS+12
2
BEAT CUT
3
VE+5
4
GNDD
5
VS+3R3
6
POWER CONT
7
GNDD
8
FL DC-
9
FL DC+
10
VFDP
11
KN1001
VNF1109
CHASSIS GND
1
GNDF GNDD
8
A
B
C
D
E
F
A 1/5
15
8