Schematic Diagram - Amp Board (2/2) - Sony HT-ST7 Service Manual

4-15. SCHEMATIC DIAGRAM - AMP Board (2/2) -

1 2 3
AMP BOARD (2/2)
A
SPC3
CN3002
4P
JL3046
SP5 CH2(SL)+ 1
JL3045
SURROUND
CH2– 2
L-CH
JL3044
SP6 CH6– 3
JL3043
SURROUND
R-CH CH6(SR)+ 4
CAM307
B
(CHASSIS)
C
12.6 12.6
12.6
-2 -1
0 0
D
E
F
G
H
I
11
12
13
14
J
15
16
(Page 44)
>121S
17
AMP
BOARD
K (1/2)
18
19
20
21
22
23
24
L
25
26
HT-ST7
• See page 52 for IC Block Diagrams.
4 5 6 7
C3135
0.001
RB3005
100k
C3115 R3083
2.2 100k
C3118 R3084
2.2 100k
12.6 12.6 CL3019
12.6 12.6 12.6
-2 -1
Q3006 Q3007
HN1A01FU-TE85R HN1A01FU-TE85R
0 0
DC DETECT DC DETECT
R3094 R3095
0
C3125
R3089 R3092 C3138
1000p 3.3 3.3 1000p
C3129 C3139
1 1
F3005
5A
32V
C3132
560
35V
L3014
10uH
2 4
1 3
R3087 C3131 C3137 R3093
3.3 1000p 1000p 3.3
C3128 C3134
1 1
C3120
0.1
44 43 42 41 40 39 38 37 36 35
IC3005
DIGITAL POWER AMP
IC3005
CXD9981TN
1 2 3 4 5 6 7 8 9 10
R3104
0
C3119 C3121 C3133
0.1 0.1 10
R3090 R3091
22 22
8 9 10 11
C3140 C3143 C3151
0.001 0.001 0.001
CL3024
CL3023
CL3020
12.6 12.6
12.6 12.6
-2 -1
Q3008
HN1A01FU-TE85R
0 0
DC DETECT
R3098 R3101
0 0 0
C3145
R3100 R3102 C3156
1000p 3.3 3.3 1000p
C3149 C3157
1 1
F3006
5A
32V
C3150
560
35V
L3019
10uH
2 4
IC3008
1 3
+12V REGULATOR
IC3008
SI-3010KM-TLA
5 4 3 2
C3147 C3152
R3099 R3103
1000p 1000p
3.3 3.3
C3148 C3154
1 1
C3166
0.1
34 33 32 31 30 29 28 27 26 25 24 23
11 12 13 14 15 16 17 18 19 20 21 22
C3142
1
C3130 C3165
0.1 0.1
R3096 R3097
22 22
45 45
12 13 14 15
C3188 C3193 C3196
0.001 0.001
RB3006
100k
C3168 R3109
2.2 100k
C3174 R3112
CL3052
2.2 100k
12.6 12.6 CL3051
12.6 12.6
-2 -1
Q3009
HN1A01FU-TE85R
0 0
DC DETECT
R3120 R3121 R3124
0 0 0
C3178 C3197
R3115 R3118 C3191
1000p 3.3 3.3 1000p 1000p
C3181 C3192
1 1
F3007 F3008
5A 5A
32V 32V
C3185 C3203
2200 2200
35V 35V
L3022 L3027
10uH 10uH
2 4 2
1 3 1
1
R3114 C3184 C3190 R3119 R3125
3.3 1000p 1000p 3.3 3.3
C3180 C3187
1 1
CL3048
C3171
0.1
44 43 42 41 40 39 38 37 36 35 34 33 32
IC3007
DIGITAL POWER AMP
IC3007
CXD9981TN
1 2 3 4 5 6 7 8 9 10 11 12 13
R3130 C3195
0 1
C3214 C3163 R3134 C3169 C3172 C3186 C3183 C3212
1 1000 10k 0.1 0.1 10 0.1 0.1
35V
R3116 R3117
22 22
R3136 R3135
10k 100k
Note: When the IC3005 and IC3007 on the AMP board are replaced, refer to "NOTE OF REPLACING THE IC3001,
IC3003, IC3005 AND IC3007 ON THE AMP BOARD AND THE COMPLETE AMP BOARD" on page 4.
HT-ST7
16 17 18 19
SPC2
CN3007
3P
JL3060
1 Ch7(FR)+
MOUNTED
2 NC
JL3059 BOARD
3 CH7–
CL3076
CL3078 CL3080 CAM302
C3204
0.001 0.001
(CHASSIS)
CL3054 SPC1
CL3053
CN3006
2P
JL3058
1 Ch1– MOUNTED
JL3057
BOARD
2 Ch1(FL)+
R3127
0
R3126 R3128 C3208
3.3 3.3 1000p
C3202 C3209
1 1
4
3
C3200 C3205
R3129
1000p 1000p
3.3
C3201 C3206
1 1
C3213
0.1
31 30 29 28 27 26 25 24 23
14 15 16 17 18 19 20 21 22
JL3054
R3105
100k
R3122 R3123
22 22
CN3004
5P
(Page 51)
1 PVDD_S
>08S
2 PVDD_25V
3 PVDD_25V
POWER
BOARD
JL3053 4 PVDD_GND
CN502
5 PVDD_GND
CAM309
(CHASSIS)
20
SP2
TWEETER
(FRONT R-CH)
SP4
WOOFER
(FRONT R-CH)
SP1
TWEETER
(FRONT L-CH)
SP3
WOOFER
(FRONT L-CH)