PG 1
PG 1
PG 1
PG 1
PG 1
SPEAKER OUTPUT
DC OFFSET
PG5 C/4
DC_OFFSET
SHUTDOWN
+3.3V
+3.3V
P66
P66
P16
P16
P65
P65
CLIP
DSP-RESET
P60
P62
P62
P73
P73
INH
P64
P64
TRST
P63
P63
P15
P15
MUTE-LSRS
P74
P74
P17
P17
RESET
P61
MUTE-C
MUTE-LR
OVL-ERR
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
SPDIF-IN2
UC-CLP
UC-CLP
SER-DATA-IN
SCL
SDA
P50
+5V-REG
TTY-OUT
CMOUT
P72
P72
P07
P06
P03
P04
P02
P05
P01
P00
TP229
TP240
TP270
R282
R281
R280
TP271
R268
TP250
TP265
TP329
TP238
TP236
TP235
TP234
TP233
TP232
TP231
C217
R216
TP237
Q204
R262
R261
C215
M353
U202
C208
C216
R219
C214
X600
R266
R275
R253
R217
R218
R206
D202
R226
U201
C203
C204
C205
ZR201
ZR200
R265
Q201
R270
R263
C213
M200
TP200
TP201
R255
TP202
TP205
TP203
R230
R256
R232
C209
R233
R234
C211
TP204
TP206
U200
R247
TP207
C206
R207
R208
R248
TP208
TP209
TP210
TP211
TP212
TP213
R246
R211
R260
TP214
TP215
TP216
TP217
TP218
TP219
TP220
TP221
TP222
R250
L200
TP223
TP224
R245
TP225
R244
R252
TP226
TP227
D200
R251
R249
C212
TP228
R257
R254
Q200
C207
20K
20K
10K
2k
.001
20K
MMBT30904
1K
10K
330pF
40
18
12
11
10
9
8
7
6
5
27
28
4
3
2
1
44
43
42
41
17
13
26
25
24
23
22
21
20
19
39
38
37
36
35
34
33
32
31
30
29
14
16
15
TMP87C447
1.0/25V
330pF
NV
.001
8MHz
1K
30K
5%
2K
100K
20K
2.80K
BAV99L
40.2K
8
7
6
5
4
3
2
1
24C02A
.01
10uF/25V
33pF
5.6V
5.6V
2K
MMBT30904
2K
30K
5%
330pF
2K
20K
2.0K
200K
.001
200K
300
330pF
3
2
1
MAX809x
NV
5%
33pF
10K,THERMISTOR
10K
1K
1K
301K
1K
5%
1K
10K
10K
10K
MBAV70L
NV
5%
NV
5%
330pF
300
10K
2SC3395
1.0/25V
MICROCONTROLLER
PLACE NEAR J5
SHIELD
SHIELD
LEGACY TESTPOINT
DO NOT DELETE
(SHT 4 J8-13)
(SHT 1)
(SHT 1 J9-4)
(SHT 1 J9-5)
8
7
6
5
4
3
1
2
3
4
5
6
7
8
A
B
C
D
D
C
B
A
1
CD-5 SER DATA IN
SHIELD
PLACE TOPSIDE
(SHT 1 J9-8)
(SHT 1 J9-6)
(SHT 4)
(SHT 4 J8-18)
(SHT 4 J8-15)
(SHT 4 J8-16)
BEAD
2
R
FRAMINGHAM, MA 01701-9168
TA-1 Home Theater Amplifier
Digital Signal Processor (DSP)
PCB P/N: 256431 Rev. 00
Sheet 2 of 4
Service Manual Part Number 263494 Rev. 00