PG 2
PG 2
(SHT 4 J8-4)
(SHT 2)
DC_OFFSET
DC_OFFSET
SHUTDOWN
SHUTDOWN
+3.3V
+3.3V
P60
P61
OVL-ERR
GND
GND
GND
GND
GND
+17V-FUSED
+5VA
+5VA
+5VA
+5VA
+5VA
AOUT5-F
AOUT5-F
+5V
+5V
+5V
+5V
+5V
+5V
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
SDIN3
SDIN3
DEM
DEM
SCLKAUX
SCLKAUX
LRCKAUX
LRCKAUX
SPDIF-IN2
SDIN2
SDIN2
UC-CLP
SCLK-F
SCLK-F
SCLK-F
RX1
RX1
SER-DATA-IN
SCL
SDA
P50
SPDIF-IN
SPDIF-IN
DATAUX
DATAUX
B-EQAUD
+5V-REG
AOUT3-F
AOUT3-F
V_IDENT
AOUT6-F
AOUT6-F
RS-EQAUD
DSP2-IRQ1
AOUT2-F
AOUT2-F
AOUT4-F
AOUT4-F
TTY-OUT
LS-EQAUD
LEFT_INPUT
ALL
ALL
ALL
ALL
ALL
C-EQAUD
AMP-GND-SENSE
AMP-GND-SENSE
R-EQAUD
RIGHT_INPUT
AOUT1-F
AOUT1-F
INPUT_GND_REF
L-EQAUD
TURN-ON
AIN1R
AIN1R
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
+12V
DSP1-IRQ2
LRCK-F
LRCK-F
SDOUT1-F
SDOUT1-F
RFS
RFS
CMOUT
DSP1-DR1
DSP1-RCLK1
DSP1-RFS1
DSP2-FLAG3
DSP2-DT1
SDIN1
SDIN1
DSP1-FLAG2
DSP1-FLAG3
XT0
XT0
DSP2-FLAG2
P07
P06
P03
P04
P02
P05
P01
P00
DSP1-FLAG1
DSP1-FLAG0
DSP2-FLAG1
DSP2-FLAG0
AIN1L
AIN1L
XT1
XT1
-12V
-12V
-12V
-12V
-12V
-12V
J9
J9
J9
J9
J9
J9
J9
R201-4
R204-4
R202
C200
R205
J9
J9
J9
J9
J9
J9
J9
C201
Z102
TP181
C160
C159
C158
C156
C157
C155
R9
R8
WP3
WP2
C114
WP1
C4
C116
TP175
TP177
TP172
R7
D1
TP171
TP178
C150
TP170
TP168
TP167
TP166
TP165
TP164
TP163
TP162
TP161
TP160
TP159
TP158
TP157
TP156
TP155
TP154
TP153
TP152
TP180
TP150
TP151
TP148
TP147
TP146
TP145
TP144
TP143
TP142
TP141
TP139
TP138
TP137
TP136
TP135
TP134
TP133
TP132
TP131
TP130
TP129
TP120
TP119
TP118
TP117
TP116
TP114
TP115
TP113
TP112
TP111
TP110
TP109
TP108
TP107
TP106
TP105
TP104
TP103
CR100
U101
U1
U106
C141
C146
R6
R11
R171
R170
R169
R168
R167
R166
TP140
M106
R1
C1
C7
M151
R2
R164
D105
R108
R101
R101
R100
R101
R100
R100
R100
R101
D104
D102
D100
M152
Z106
Z107
Z103
C145
R176
R5
R191
C151
C115
R125
L2
C3
C144
M150
R175
R165
Z110
U104
Z100
Z104
Z108
Z105
TP102
Z109
M101
M102
M100
M104
M103
R190
R156
C8
R157
R160
J5
U104
C138
R151
D3
R185
R152
R155
U105
U105
R4
C111
C103
D2
C113
C105
R104
C102
C100
C110
C109
C108
U104
C135
R146
TP179
R147
R150
TP100
U103
C130
R186
R141
R187
R192
R142
R145
R111
U103
R103
R136
R102
R112
R137
R140
C121
C104
R188
R193
U103
C124
U103
R189
R12
R135
R132
R107
R116
TP101
D103
R131
U100
R194
C127
U102
R195
R196
R161
M105
C6
R197
R3
L1
C5
R10
R198
C139
C2
C140
C131
C132
C107
C106
C112
R113
C117
C118
1
2
13
14
11
10
9
10K
.01
10K
8
7
12
6
5
3
4
.01
1000pF
100pF
100pF
100pF
100pF
100pF
NV
NV
0.22/35V
330pF
2.2uF/10V
6.19K
BAV99L
47pF
2
1
HC-49/S
11.2896MHz
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
3
2
1
LM78M05
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NV
0.01
3.48K
16/1W
100K
100K
100K
100K
100K
100K
75
.01
47pF
100
200
BAV99L
3.0K
6
5
1.0K
8
7
1.0K
2
1
1.0K
4
3
1.0K
4
3
1.0K
8
7
1.0K
6
5
1.0K
2
1
1.0K
BAV99L
BAV99L
BAV99L
.01
2.0
100
6.04K
.01
.022
3.0K
BEAD
.01
.01
1M
100K
8
9
10
TL074
1.00K
10.0K
1.0uF
60.4K
200
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
7
6
5
TL074
.001
10.0K
BAV99L
75
60.4K
200
7
6
5
(8=+12v,4=-12v)
4559
1
2
3
(8=+12v,4=-12v)
4559
30,5%
100P
100P
BAV99L
.001
.001
300
330pF
.001
330pF
.001
.01
1
2
3
TL074
.001
10.0K
60.4K
200
14
13
12
TL074
.001
75
10.0K
75
75
60.4K
200
1.00K
8
9
10
TL074
100
10.0K
1.00K
100
60.4K
200
.001
10uF/25V
1.00k
300
7
6
5
TL074
.001
1
2
3
TL074
6.04k
2.0K
200
60.4k
1.00K
1.00K
BAV99L
10.0K
40
19
21
22
23
24
25
26
20
14
13
11
12
10
9
15
16
18
41
39
17
29
28
31
30
4
5
3
6
42
2
27
1
43
44
35
36
32
33
34
38
37
7
8
CS4226
300
.001
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
300
300
75
1.0uF
300
2.0
BEAD
1.0uF
16/1W
300
39pF
10uF/25V
39pF
.01
.01
.01
.01
10uF/25V
300
.01
.01
LEFT INPUT
DIFFERENTIAL AMP
DIFFERENTIAL AMP
RIGHT INPUT
SHT 3
SHT 3
SHT 2
SHT 2
SHT 3
SHT 3
SHT 3
BYPASS TL074
PINS 4 AND 11
BYPASS TL074
PINS 4 AND 11
BYPASS
BYPASS
TO uC
SHT 4
SHT 4
SHT 4
SHT 4
SHT 4
SHT 4
NEAR J5
SHIELD
PLACE UNDER CODEC PIN 19
PLACE UNDER CODEC PIN 40
SHIELD
NOTE: LARGE PADS FOR HEAT SINKING,D2 D3.
BYPASS 4559
PINS 8 AND 4
NOT USED
J5
SHT 2
SHT 2
BASS
TREBLE
(NOT USED)
(SHT 2)
(SHT 2)
(SHT 1)
(SHT 1)
8
7
6
5
4
3
1
2
3
4
5
6
7
8
A
B
C
D
D
C
B
A
1
SHIELD
SHIELD
NEAR U100
TO DSP1
OE1
IN
OUT
IN
OUT
IN
OUT
IN
OUT
GND
VCC
OE2
OUT
IN
OUT
IN
OUT
IN
OUT
IN
CLK1
RESET1
K1
VCC
CLK2
RESET2
J2
Q2
Q2
K2
GND
Q1
Q1
J1
-
+
1/4
-
+
1/4
-
+
1/2
-
+
1/2
-
+
1/4
-
+
1/4
-
+
1/4
-
+
1/4
-
+
1/4
OE1
IN
OUT
IN
OUT
IN
OUT
IN
OUT
GND
VCC
OE2
OUT
IN
OUT
IN
OUT
IN
OUT
IN
R
FRAMINGHAM, MA 01701-9168
TA-1 Home Theater Amplifier
Digital Signal Processor (DSP)
PCB P/N: 256431 Rev. 00
Sheet 1 of 4
Service Manual Part Number 263494 Rev. 00
2
