Amp (1/2) - Sony HBD-E780W Service Manual

HBD-E780W/E980W/E985W
HBD-E780W/E980W/E985W
5-23. DIAGRAMA ESQUEMÁTICO - Placa AMP (1/2) -
1 2 3 4
A
AMP BOARD (1/2)
B
D3551
MC2840-T112-1
JL3551 R3551
C3552
100k
0.1
0
R3553
C
10k
3.3
R3554
10k
Q3551 C3551 R3552
DSC500100L 0.1 1M
OUTPUT LEVEL EB3002
DETECT
R3212
100k
D
SL3000
15.3
15.3
JL3213
R3558 R3557
0
4.7k 33k Q3202
Q3553 RT3AMMM
DSC500100L
3.3 OVER LOAD
DC DETECT DETECT
E
0
R3559 R3560 C3219 C3222 C3225 C3226
1.5k 100k 0.1 100 2200 0.1
35V 35V
Q3552 C3555
EB3008
RT3CLLM 0.1
PROTECT 0.7
DETECT
0
F
-1
3.3
-2
0
C3220
0.1
SL3001
G
JL3060
SL3002 IC B/D
44 43 42 41
H IC3200
POWER AMP
IC3200
CXD9981TN
1 2 3 4
I
R3045 R3044 R3043 C3201 C3202
C3554
0 0 0 0.1 0.1
0.01
R3556
22k
R3555 C3553
J
47k 47
10V
K
L
• See page 63 for IC Block Diagrams.
5 6 7
(Page 57)
C SPEAKER 4P
BOARD
CN451
CN3200
5P
C3928 1000p C3922 1000p
C3927 0.01 C3921 0.01
C3926 1000p C3924 1000p
C3925 0.01 C3923 0.01
R3210 R3207
C3228 C3227 R3209
100k 100k
2.2 10 100k
R3211 R3208
100k 100k
15.3 15.3 15.3
15.3 15.3 15.3
-1 -2 -1 -2
JL3212 JL3211 JL3210
0 0 0
Q3201
RT3AMMM
OVER LOAD
DETECT
C3218 C3221 C3209 C3212 C3215 C3216 C3208 C3211
0.1 100 0.1 100 2200 0.1 0.1 100
35V 35V 35V 35V
C3224 C3223 C3214 C3213
1 1 1 1
2 4 2 4
L3202 L3201
10uH 10uH
1 3 1 3
TP3208 TP3207 TP3206 TP3205
C3217 C3210 C3207
0.1 0.1 0.1
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
C3203
1
R3203
C3204 C3205 C3206 R3042 R3041
22k
0.1 0.1 0.1 0 0
R3234 R3233 R3232 R3231
47 47 47 47
Note: When IC3100 and IC3200 on the MAIN board are replaced, spread the compound referring
to "NOTE OF REPLACING THE IC3100 AND IC3200 ON THE AMP BOARD AND THE
COMPLETE AMP BOARD" on servicing notes (page 9).
54 54
8 9 10 11
(Page 57)
D SPEAKER 4P
BOARD
CN451
CN3100
6P
C3918 1000p C3912 1000p
C3917 0.01 C3911 0.01
C3916 1000p C3914 1000p
C3915 0.01 C3913 0.01
R3110 R3107
R3112 C3128 C3127
100k 100k
100k 2.2 2.2
R3111 R3108
100k 100k
15.3 15.3
15.3 15.3 15.3
-1 -2
JL3113 JL3112 JL3111
0 0
Q3102
RT3AMMM
OVER LOAD
DETECT
C3119 C3122 C3125 C3126 C3118 C3121 C3109 C3112
0.1 100 2200 0.1 0.1 100 0.1 100
35V 35V 35V 35V
C3124 C3123 C3114 C3113
1 1 1
2 4 2 4
L3102 L3101
10uH 10uH
1 3 1 3
TP3108 TP3107 TP3106
C3120 C3117 C3110
0.1 0.1 0.1
IC B/D
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
IC3100
POWER AMP
IC3100
CXD9981TN
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
C3103
1
R3103
C3101 C3102 C3104 C3105 C3106
22k
0.1 0.1 0.1 0.1 0.1
R3134 R3133 R3132
47 47 47
12 13
EB3001
R3109
100k
15.3 15.3
15.3
-1 -2
JL3110
0 0
Q3101
RT3AMMM
OVER LOAD
DETECT
C3115 C3116 C3108 C3111
2200 0.1 0.1 100
35V 35V
1
TP3105
C3107
0.1 EB3007
28 27 26 25 24 23
17 18 19 20 21 22
R3040
0
R3131
47
AMP
91
BOARD
(2/2)
(Page 55)