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Circuit Diagram and PWB Layout
Audio Board: Circuit Diagram (Part 2)
1
2
3
A
B
1207
04FE-BT-VK-N
1
SP_Signal
2
SP_Signal
3
SP_Signal
4
GND
C
1206
1
SP_Signal
F240
2
SP_Signal
FAN_DET
3
SP_Signal
F242
4
GND
F243
5
+3V3
+3.3V VREF
F244
6
SPK_CTRL
SPK_CTRL
F245
7
SPK_DET0
SPK_DET0
F246
8
SPK_DET1
SPK_DET1
08FE-BT-VK-N
D
4205
4206
+3V3_uP
7216
BC857B
E
2N7002
7218
STBY_ECO
7217
2N7002
BC847B
7219
4207
F
3237
SCL_P
10K
SDA_P
2N7002
7203
G
1201
B9B-EH-A
1
F211
2
3
4
5
F212
6
H
7
F203
8
9
220R
5201
Option
I
1
2
3
3139 785 32530
4
5
6
6200
+5VSTBY
BAS316
6201
+5VL
BAS316
2202
+3V3_uP
+3V3_uP
3200
7201
NCP303LSN29
2
INP
1
OUTP
5
CD
F236
NC
GND
1205
F255
+3V3_uP
100n
2211
+3V3
+3V3_uP
3209
PWR_DN
3217
SEL0
3218
SEL1
3219
SDA1
3225
SCL1
3227
SDA_DSP
3228
SCL_DSP
3229
INT_AK4113
3231
SDA_PA
3232
SCL_PA
3233
AMP_RST
3235
FREQ_HOP
3236
AMP_ERR
+3V3
+3V3
SDA_CU
3244
SCL_CU
TU_TUNED
TU_RDS_DATA
3245
TU_STEREO
TU_PWR
3299
STBY_PB
not used
+3V3_uP
3248
+3V3_uP
STBY_ECO
3249
STBY_CU
SPK_CTRL
FAN_CTRL
BOOT
INT_CU
+12VL
1204
1
F231
2
F232
B2B-EH-A
WAKE_UP
BC327-25
7208
SCL_P
SDA_P
CU_DET
-33V
+5VSTBY_CU
+12VL
3266
F257
7209
FAN_CTRL
BC847BW
4K7
4
5
6
7
EN 66
7
8
9
7200
LD1117S33
2
+3V3_uP
3
4
IN
OUT
COM
5200
2200
BLM18P
F237
100n
2201
100n
2204
100n
2207
100n
GND
7204
TMP91FY42FG
Φ
F254
DVCC
28
35
1
1
CONTROLLER
36
3201
22R
X
2
INT_DSP
26
INT
37
3252
2
3
38
3298
22R
3202
4
INT_DELAY
30
39
RESET
40
10R
100
41
H
1
VREF
42
L
3203
+3V3_uP
24
PA<0:7>
0
+3V3
29
AM
33
F233
10K
1
0
EMU
34
F234
1
1K0
63
NMI
43
F235
ALE
1K0
44
0
1K0
45
92
1
0
CU_DET
100R
46
93
3220
1K0
2
1
AMP_NTC
100R
47
94
3284
100R
3
2
FAN_DET
48
PORT0
95
3278
1K0
4
3
100R
49
PORT5<0:7>
96
3279
1K0
5
4
100R
50
97
6
5
22R
51
98
3282
100R
7
6
SPK_DET0
99
3283
100R
7
SPK_DET1
AD<0:7>
52
AN<0:7>
0
53
1
ADTRG
100R
54
2
100R
55
83
3
SCK
100R
56
PORT1
84
3234
100R
4
SO
SDA_CU
1K0
57
5
SDA
1K0
58
6
SCL
59
85
3238
100R
7
SI
SCL_CU
86
INT0
AD<8:15>
87
3240
22R
SCOUT
INT_CU
88
A<8:15>
90
60
0
61
PORT6<0:7>
1
65
4
2
TA0IN
100R
66
5
3
TA1OUT
67
PORT2
6
3277
100R
4
TA3OUT
RST_ADC
100R
68
7
3246
100R
5
TA4IN
RST_DSP
69
8
6
TA5OUT
10K
70
9
3247
100R
7
TA7OUT
RST_AK4113
F252
A<0:7>
PORT7<0:7>
5
F258
A<16:23>
INT
6
10K
71
10
RD
TB0IN0
TU_RDS_CLK
10K
72
11
WR
TB0IN1
F253
73
12
HWR
TB0OUT0
1K0
3285
74
13
WAIT
TB0OUT1
75
14
BUSRQ
TB1IN0|INT7
76
15
BUSAK
TB1IN1|INT8
77
16
R|W
TB1OUT0
3253
100R
78
17
BOOT
TB1OUT1
7
PORT3<0:7>
INT7
8
79
0
80
PORT8<0:7>
1
81
CS
18
3255
4K7
2
TXD0
82
19
3
RXD0
F251
20
1K0
SCLK0
SR_EN
3276
PORT4<0:4>
21
TXD1
22
RXD1
UART_RX
23
SCLK1
UART_CTS
31
XT1
32
XT2
0
CTS
1
PORT8<0:7>
DVSS
7
8
9
10
11
12
13
I2S_DSP_SCLK
I2S_DSP_LRCK
3394
I2S_MCLK
33R
I2S_DSP_FLR
I2S_DSP_CSW
I2S_DSP_SLR
+3V3_uP
SDA_PA
SCL_PA
AMP_RST
AMP_ERR
AMP_NTC
F238
FREQ_HOP
22R
WAKE_UP
+3V3
OPTION DETECT
+3V3_uP
VOL+
VOL-
+3V3
2224
100n
GND
+3V3
7205
M24C16-RDW6TP
+3V3
+5VL
Φ
(2Kx8)
7
WC
EEPROM
6
SCL1
SCL
ADR
3296
5
SR_RX
SDA1
SDA
F247
100R
2N7002
7215
+5VL
+3V3
3295
+3V3_uP
SR_TX
100R
F248
2N7002
7214
UART_RX
+3V3
UART_TX
+3V3_uP
uP_RESET
BOOT
3257
3259
UART_TX
100R
+3V3
+3V3
3270
F249
3272
F250
UART_CTS
UART_RTS
100R
3139-243-36064-130-02-a2 pbx.pdf
10
11
12
13
14
1201 G1
3277 E9
1202 C14
3278 D9
1203 G14
3279 D9
1204 G4
3280 D10
1205 B6
3281 D10
1206 C1
3282 D9
1207 C1
3283 D9
2200 A8
3284 D9
2201 A8
3285 F7
2202 A6
3286 C2
2203 A7
3288 E6
A
2204 A8
3289 E6
20FE-BT-VK-N
2205 B6
3293 E11
F213
2206 B7
3294 F11
GND
F214
20
I2S_SCLK
2207 B8
3295 F11
19
GND
2208 B4
3296 F11
F215
18
I2S_LRCK
2209 B4
3297 E11
17
GND
F216
16
2210 B6
3298 C9
I2S_MCLK
15
2211 C6
3299 F7
GND
F217
14
I2S_FLR
2212 C12
3392 E1
13
GND
2213 C13
3393 E1
F218
12
I2S_CSW
2214 C13
3394 B12
11
GND
B
F219
10
2215 C13
4201 F6
I2S_RLR
9
2216 C13
4202 F14
GND
F220
8
2217 C13
4203 F14
SDA
F221
7
SCL
2218 C13
4204 F14
6
GND
2219 C13
4205 D1
F222
5
AMP_RST
F223
4
2220 C13
4206 D3
ERR
F224
3
2221 C13
4207 F3
NTC
2
2222 C13
5200 A8
FREQ_HOP
1
2223 C13
5201 H2
1202
2224 E13
6200 A6
2225 G4
6201 A6
2226 H14
6202 C3
C
2227 D2
7200 A7
2228 D2
7201 B5
2229 D2
7203 G3
2231 C3
7204 B7
2232 H2
7205 E13
2233 H2
7208 H5
2234 H2
7209 H5
2235 H3
7214 G11
2236 H3
7215 F11
2237 H3
7216 E2
2238 H3
7217 F1
2239 H3
7218 E3
D
3200 B5
7219 F3
3201 C9
F203 H2
3202 C7
F211 H2
3203 C7
F212 H2
3204 D3
F213 A13
3207 E4
F214 A13
+3V3
3208 E4
F215 A13
3209 C7
F216 B13
not used
3210 C5
F217 B13
3211 C6
F218 B13
3212 C6
F219 B13
E
3213 C6
F220 B13
3214 C6
F221 B13
3215 C6
F222 B13
3216 C9
F223 B13
3217 D7
F224 C13
1
3218 D7
F225 G14
0
2
3219 D7
F226 G14
1
3
2
3220 D9
F227 G14
3221 C12
F228 G14
3222 C12
F229 H14
3223 C12
F230 H14
3224 C12
F231 G4
F
3225 D7
F232 G4
3226 D10
F233 C9
3227 D7
F234 C9
3228 D7
F235 C9
3229 D7
F236 B6
3230 D10
F237 A8
3231 D7
F238 C12
3232 D7
F240 C2
3233 D7
F242 C2
3234 E9
F243 C1
3235 E7
F244 C1
3236 E7
F245 D1
G
3237 F3
F246 D1
3238 E9
F247 F10
1203
F225
1
3239 F4
F248 G10
BOOT
F226
2
RXD
3240 E9
F249 I12
F227
3
TXD
3241 E14
F250 I11
F228
4
GND
VSS
3242 E13
F251 G9
F229
5
RESET
3243 E14
F252 F7
F230
6
BOOT
3244 E7
F253 F7
B6B-EH-A
3245 E7
F254 B7
3246 E9
F255 C6
3247 F9
F257 H6
2226
H
3248 F7
F258 F7
3249 F7
3250 B10
3251 F6
3252 C10
3253 F7
3254 G12
3255 G9
3256 F10
3257 H11
3258 E10
3259 H11
I
3260 G5
3264 H5
3266 H6
3267 I13
3268 H5
3269 H5
3270 I10
3272 I11
2007-01-26
3276 G9
14
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