5
6
3
4
7
2
8
1
41
42
43
44
45
46
47
48
49
50
51
52
40
-7V
+7V
C2178
100P
C2179
47P
R2176
18K
R2177
22
R2179
22
R2178
22
R2180
22
R2181 4.7K
C2181 1000P
+VCC
-VCC
C2194
1800P
R2175
5.6K
R2189 5.6K
R2269 100K
R2169 100K
R2188
12K
R2270
2.2K
R2288
12K
C2177
50V 1
R2168
2.2K
C2170
50V1
FLVOLOUT
d
FLFIN
HP-LCH
HP-RCH
FRVOLOUT
FRFIN
R2268
2.2K
C2270
50V1
C2278
100P
C2279
47P
R2276
18K
C2294
1800P
R2275
5.6K
C2277
50V1
R2289 5.6K
C2180
0.1
R2277
22
R2279
22
R2193
10
R2293
10
R2278
22
R2280
22
R2281 4.7K
C2281 1000P
C2280
0.1
4
5
6
1
2
3
R2170
2.2K
Q2101
B1GFGCAA0001
IC2103
C0AABB000125
SCHEMATIC DIAGRAM-8
MAIN CIRCUIT
B
:
MAIN SIGNAL LINE
SA-HT640WPL MAIN CIRCUIT
MUTING
HEADPHONES AMP
:+B SIGNAL LINE
:-B SIGNAL LINE
SA-HT640WPL
78
Summary of Contents for SA-HT640WPL
Page 4: ...23 2 Packaging 109 24 Replacement Parts List 110 24 1 Component Parts List 111 4 SA HT640WPL ...
Page 10: ...10 SA HT640WPL ...
Page 16: ...16 SA HT640WPL ...
Page 19: ...8 2 Detail Block Diagram Receiver module 19 SA HT640WPL ...
Page 31: ...31 SA HT640WPL ...
Page 37: ...10 1 Disassembly Flow Chart 37 SA HT640WPL ...
Page 38: ...10 2 Main Components and P C B Locations 38 SA HT640WPL ...
Page 46: ...Step 3 Push tray assembly to the direction of arrow shown 46 SA HT640WPL ...
Page 53: ...14 2 Main P C B 53 SA HT640WPL ...
Page 60: ...SA HT640WPL 60 ...
Page 68: ...SA HT640WPL 68 ...
Page 70: ...70 SA HT640WPL ...
Page 80: ...SA HT640WPL 80 ...
Page 86: ...SA HT640WPL 86 ...
Page 88: ...SA HT640WPL 88 ...
Page 97: ...97 SA HT640WPL ...
Page 104: ...21 3 4 2 Receiver Module P C B 104 SA HT640WPL ...
Page 106: ...23 Explode Views 23 1 Cabinet Parts Location 106 SA HT640WPL ...
Page 107: ...107 SA HT640WPL ...
Page 108: ...108 SA HT640WPL ...
Page 109: ...23 2 Packaging 109 SA HT640WPL ...