Yamaha YST-SW515, Руководство по обслуживанию

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A B C D E F G H I J
1
2
3
4
5
6
7
YST-SW515
11
BE
VCC PWS -12 +12 +V2 BASS MAIN E TO
V
L
BL
RE
RE
BL
BE
MAIN (6) P.C.B.
MAIN (2) P.C.B. MAIN (4) P.C.B.
MAIN (6) P
.C
.B
.
MA2 LIM -12 +12 BASS TO
V
L
E MA1 PWS +V1
-V A
VST
DR1- DR2- OUT DR2+ DR1+
+
–
MA2 LIM -12 +12 BASS TO
V
L
E MA1 PWS +V1
-V A
VST
DR1- DR2- OUT DR2+ DR1+
TR-E TR-B TR-C
E +V1 VCC
TR-E TR-B TR-C
-B1 E +B1
-B1 E +B1
CONFIRMATION OF
AUTO STANDBY
OPERATION
R252
add 10k
Ω
PHASE
REV
NORM
HIGH
OFF
LO
W
INPUT2
INPUT1/OUTPUT
L
R
AU
T
O
ST
ANDBY
MAIN (3) P.C.B.
DRIVER
MAIN (1) P.C.B.
MAIN (10) P.C.B.
R274
R273
■
PRINTED CIRCUIT BOARD (Foil side) Lead Free Solder Used
Ref. No. Location
D1 J6
D2 J3
D3 H3
D4 H2
D5 H3
D6 F3
D7 E6
D9 I2
D14 F3
D15 H6
D20 G2
D21 F6
D22 G3
D23 G6
D24 H6
D25 G3
D26 G3
D27 G7
D28 G6
D29 G6
D30 F6
D31 F6
D32 F6
D33 F6
D34 F3
D36 I2
D100 H7
D205 E6
D206 J6
IC1 I3
IC4 B5
IC6 I3
IC8 E2
IC10 C6
IC11 B4
IC201 B5
• Semiconductor Location
Ref. No. Location
Q1A F5
Q1C H5
Q2 H3
Q3 H3
Q4 H3
Q5 H3
Q6 H3
Q7 H3
Q8 H3
Q9 G5
Q10 G3
Q16A F5
Q16C H5
Q17A G5
Q17C H5
Q18 F2
Q19 F2
Q20 F3
Q21 F3
Q22 H6
Q23 H6
Q24A G6
Q24C F6
Q26A F7
Q26C G7
Q27 H2
Q28 H2
Q29 G3
Q30 G3
Q31 G6
Q32 F6
Q37 I2
Q38 I2
Q100 H6
Q101 I6
Q102 H6
Q103 H6
Q201 B7
Q202 B6
Q203 B7
Q204 B7
Q205 C6
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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