HBD-E770W
HBD-E770W
56
56
5-28. SCHEMATIC DIAGRAM - MAIN Board (3/5) -
• See page 68 for IC Block Diagrams.
12
26.4
32.8
32.8
32.8
15.5
15.5
26.4
26.4
32.8
15.5
15.5
32.8
32.8
26.4
12
12
12
1.6
3.3
1.6
3.3
3.3
3.3
3.3
1.6
1.6
3.3
1.2
12
32.8
26.4
15.5
12
32.8
15.5
15.5
15.5
32.8
32.8
26.4
32.8
26.4
32.8
26.4
12
12
1.6
3.3
1.6
3.3
3.3
3.3
3.3
1.6
1.6
3.3
1.2
0
0
15.3
15.3
15.3
15.3
0
15.3
15.3
15.3
0
15.3
0
15.3
15.3
15.3
0
15.3
0
15.3
15.3
15.3
0
15.3
0
3.3
0
0.7
0
3.3
0.7
0
1
12
13.4
3.3
0
0.7
0.1
C3119
0.1
C3208
0.1
C3219
0.1
C3218
0.1
C3108
0.1
C3209
0.1
C3118
35V
100
C3212
35V
100
C3121
35V
100
C3122
35V
100
C3111
35V
100
C3211
35V
100
C3112
16V
220
C3091
C3215
2200
35V
C3315
2200
35V
C3125
2200
35V
50V
1
C3551
50V
10
C3552
1
C3113
1
C3114
1
C3123
1
C3313
1
C3124
C3314
1
1
C3214
1
C3213
100
R3065
10k
R3002
10k
R3553
100k
R3326
100k
R3554
100k
R3551
100k
R3216
100k
R3215
100k
R3125
100k
R3325
R3176
100k
R3175
100k
100k
R3126
C3109
0.1
C3115
2200
35V
JL3060
JL3059
JL3058
JL3057
JL3056
JL3055
JL3054
JL3053
JL3107
JL3106
JL3105
JL3103
JL3201
JL3108
JL3207
JL3206
JL3205
JL3203
JL3208
JL3002
TP3301
TP3103
TP3054
TP3304
TP3053
TP3302
TP3101
TP3303
TP3104
A12V
JL3204
JL3101
22k
R3202
JL3087
100k
R3127
100k
R3177
100k
R3217
100k
R3327
C3127
2.2
C3128
2.2
C3227
10
C3327
2.2
47k
R3556
SL3001
100k
R3051
RSA39LATE25
D3101
RSA39LATE25
D3102
RSA39LATE25
D3103
RSA39LATE25
D3104
RSA39LATE25
D3201
RSA39LATE25
D3202
RSA39LATE25
D3203
RSA39LATE25
D3204
C3003
1000p
0.1
C3116
0.1
C3126
0.1
C3216
0.1
C3316
0.1
C3103
0.1
C3203
1
2
3
4
4P
CN3001
P-GND
P-GND
PVDD
PVDD
33k
R3562
L3052
10uH
3
2
1
4
10uH
L3101
3
2
1
4
10uH
L3102
3
2
1
4
10uH
L3201
3
2
1
4
10uH
L3301
SL3002
MC2840-T112-1
D3551
R3203
3.3
R3103
3.3
10V
47
C3561
CL3005
EB3004
EB3001
RT3AMMM
Q3102
RT3AMMM
Q3201
RT3AMMM
Q3301
RT3AMMM
Q3101
EB3003
EB3002
35V
100
C3311
35V
100
C3312
JL3104
JL3202
22k
R3102
JL3102
R3550
4.7k
2SC4154TP-1EF
Q3551
1k
R3128
1k
R3228
1000p
C3129
1000p
C3229
C3429
1000p
R3140
0
R3240
0
RT3CLLM
Q3552
0.01
C3553
EB3008
EB3007
0
R3940
D-GND
7
6
5
4
3
2
1
8
9
10
11
17
16
15
14
13
12
22
21
20
19
18
CXD9981TN
IC3200
7
6
5
4
3
2
1
8
9
10
11
17
16
15
14
13
12
22
21
20
19
18
CXD9981TN
IC3100
2SC4154TP-1EF
Q3001
TB3901
P-GND
0.01
C3051
0.1
C3104
0.1
C3106
0.1
C3105
0.1
C3101
C3102
0.1
0.1
C3204
0.1
C3206
0.1
C3205
0.1
C3201
C3202
0.1
0.033
C3107
0.033
C3120
0.033
C3110
0.033
C3117
0.033
C3207
0.033
C3220
0.033
C3217
0.033
C3210
C3912
1000p
C3911
0.01
C3913
0.01
C3914
1000p
0.01
C3927
C3928
1000p
0.01
C3925
C3926
1000p
C3923
0.01
C3921
0.01
C3924
1000p
C3922
1000p
C3918
1000p
0.01
C3915
0.01
C3917
C3916
1000p
C3556
0.1
22k
R3552
1.5k
R3558
JL3203
R3440
0
RSA39LATE25
D3401
RSA39LATE25
D3402
MAIN BOARD (3/5)
27
33
31
28
26
30
32
21
29
34
POWER AMP
IC3100
POWER AMP
IC3200
-1 -2
-2
-1
-2
-1
-2
-1
-2
-1
DC DETECT
PROTECT DETECT
OVER LOAD
DETECT
OVER LOAD
DETECT
OVER LOAD
DETECT
OVER LOAD
DETECT
Q3001, 3556
FAN CONTROL
(CHASSIS)
(CHASSIS)
(CHASSIS)
E
11
J
3
K
D
F
14
15
M
L
8
G
7
I
13
A
10
9
C
4
H
2
6
B
5
1
12
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
SUBWOOFER
SPEAKERS
FRONT L
SPEAKERS
FRONT R
SPEAKERS
CENTER
SPEAKERS
L3923
L3924
L3921
L3922
L3913
L3914
L3911
L3912
1
2
2P
CN3000
DC-FAN -
DC-FAN +
M
M3001
(FAN)
TP3001
TP3000
1
2
3
4
5
SI-3010KM-TLS
IC3011
100k
R3004
10k
R3003
10k
R3005
IC3011
+12V REGULATOR
0.1
C3002
TP3004
TP3003
EN
TP3007
M-GND
M+14V
FAN_CONT
DIAG
DC-DET
FAN_ON
TP3008
TP3009
22uH
L3000
MA2J1110GLS0
D3553
1k
R3007
16V
100
C3000
8.2k
R3006
JL3001
2SC4154TP-1EF
Q3556
1k
R3936
SL3000
0.01
C3005
25V
47
C3001
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 MAIN BOARD AND THE
COMPLETE MAIN BOARD” on servicing notes (page 8).
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
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
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299