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JBL Ms 8 Service Manual

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Page 91

Philips Semiconductors Product speciÞcation
Octal buffer/line driver with 30W series termination
resistors; 5 V input/output tolerant; 3-state 74LVC2244A
FEATURES
·
5 V tolerant inputs/outputs for interfacing with 5 V logic
· Wide supply voltage range of 1.2 to 3.6 V
· CMOS low power consumption
· Direct interface with TTL levels
· Integrated 30 W termination resistors. DESCRIPTION
The 74LVC2244A is a high-performance, low-power,
low-voltage, Si-gate CMOS device, superior to most
advanced CMOS...

Page 92

Philips SemiconductorsProduct speciÞcation
Octal buffer/line driver with 30W series termination
resistors; 5 V input/output tolerant; 3-state 74LVC2244A
Fig.1  Pin configuration.
handbook, halfpage1OE
1A 0
2Y 0
1A 1
2Y 1
1A 2
2Y 2
1A 3
2Y 3
GND V
CC
2OE
1Y 0
2A 0
2A 1
1Y 2
1Y
1
2A 2
1Y 3
2A 31
2
3
4 5
6
7
8
9
10 11
12 20
19
18
17
16
15
14
13
2244
MNA357
handbook, halfpage
1A 3
1A
2
1A
1
1A
0
2
4
6
8
1
1Y 0
1Y1 18
16
14
12
1Y
2
1Y3
1OE
MNA360
2A3
2A
2
2A
1
2A
0
17
15
13
11
19
2Y 0
2Y1 3
5
7
9
2Y
2
2Y3...

Page 93

 
 MS-8                      
 
 
 
92  

Page 94

ABC D
DCBA
ED0ED1ED2ED3ED4ED5ED6ED7ED8ED9ED10ED11ED12ED13ED14ED15
EA2EA3EA4EA5EA6EA7EA8EA9EA10EA11EA12EA13EA14EA15EA16EA17EA18EA19EA20EA21
BE0#BE1#CLKOSDRAS#SDWE#SDCAS#
JTAG_TRSTJTAG_EMU0JTAG_EMU1JTAG_TDIJTAG_TDOJTAG_TCKJTAG_TMSDSP_RXD
I2S_OUT0I2S_OUT1I2S_OUT2I2S_OUT3
I2S_IN0I2S_IN1I2S_IN2I2S_IN3DSP_TXD
GP14GP8GP0
CE0#CE1#BE2#BE3#
ED16ED17ED18ED19ED20ED21ED22ED23ED24ED25ED26ED27ED28ED29ED30ED31
1TP1 TEST POINT
R2344.7k
R18710k
1 TP18
TEST POINT
1234
5678
RN3
33 x 4
1TP17
TEST POINT
1234
5678
RN5
33 x...

Page 95

ABC D
DCBA
C346
0.1uFC273
0.1uF
C216
0.1uFC351
0.1uF
C230
0.1uF
C189
0.1uF
C234
0.1uF
C215
0.1uF
C277
0.1uF
C342
0.1uFC253
0.1uF
C345
0.1uF
C193
0.1uFC350
0.1uF
C301
0.1uF
C365
0.1uF
C280
0.1uF
C347
0.1uF
C343
0.1uFC254
0.1uF
C238
0.1uFC355
0.1uF
C356
0.1uF
C320
0.1uF
C344
0.1uF
Power
PLLHV
C5DVDD
Y17DVDD
Y7DVDD
W12DVDD
W9DVDD
W3DVDD
V19DVDD
V15DVDD
V13DVDD
U16DVDD
U12DVDD
U7DVDD
U5DVDD
T3DVDD
R18DVDD
R1DVDD
M18DVDD
J2DVDD
H18DVDD
F3DVDD
D19DVDD
D16DVDD
D1DVDD
C10DVDD
B13DVDD
B8DVDD
B3DVDD
A17CVDD...

Page 96

1
2
3
4
56
ABC D
6
5
4
3
2
1
D
CBA
TDO_BUFFTCK_RET
JTAG_TRSTJTAG_TMSTDO_BUFFTCK_RETJTAG_TCKJTAG_TDIJTAG_EMU0JTAG_EMU1JTAG_TDOC328
0.1uF (DNP)
C199
0.1uF
C330
0.1uF (DNP)
C327
0.1uF (DNP)
C329
0.1uF (DNP)
OE1
11A4
81A1
21A3
62A3
152A1
112A4
172A2
131A2
4
OE2 191Y4121Y1181Y3
142Y352Y192Y432Y2
71Y216
VCC 20GND
10
U22
74LVC2244A
123 J10
B3P-BC-2 (DNP)
EN
1C1+
2V+
3C1-
4
C2+ 5C2-6
V-
7
Rin 8
Rout
9
INVALID 10
Din
11ForceOn
12
Dout 13
Gnd
14VCC 15
ForceOff
16 U27
MAX3221 (DNP)
VCC
5GND
4GND
8KEY
6GND
10GND...

Page 97

1
2
3
4
56
ABC D
6
5
4
3
2
1
D
CBA
ED0ED1ED2ED3ED4ED5ED6ED7ED8ED9ED10ED11ED12ED13ED14ED15
ED0ED1ED2ED3ED4ED5ED6ED7ED8ED9ED10ED11ED12ED13ED14ED15
EA2EA3EA4EA5EA6EA7EA8EA9EA10EA11EA12EA13EA14BE0#BE1#SDWE#SDCAS#SDRAS#CE0#CLKO
EA2EA3EA4EA5EA6EA7EA8EA9EA10EA11EA12EA13EA14EA15EA16EA17EA18EA19EA20EA21CE1#SDRAS#SDWE#
ED16ED17ED18ED19ED20ED21ED22ED23ED24ED25ED26ED27ED28ED29ED30ED31
BE2#BE3#
C315
0.1uF
C149
0.1uF
C316
0.1uF
C317
0.1uF
C321
0.1uF
C319
0.1uF
DQ0
29DQ1
31DQ2
33DQ3
35DQ4
38DQ5
40DQ6
42DQ7
44DQ8...

Page 98

1
2
3
4
56
ABC D
6
5
4
3
2
1
D
CBA
POW_EN#DSPRESET
DSPLY_PWR_EN#PWRAMPMUTE
LED_EN
LED_EN
5V_IPOD_EN#
DSPLY_PWR_EN#
DSPRESET
POW_EN#
PWRAMPMUTE
5V_IPOD_EN#
VTEMP
VTEMP
R232 680
3
4
U10B
74HCU04
32
1
Q3
MUN5214T1
P0.1
1P0.0
2GND
3D+
4D-
5VDD
6REGIN
7VBUS
8/RST/C2CK
9P3.0/C2D
10P2.7
11P2.6
12P2.5
13P2.4
14P2.3
15P2.2
16
P2.1 17P2.018P1.719P1.6
20P1.521P1.422P1.323P1.2
24P1.125P1.026P0.727P0.6
28P0.529P0.430P0.3
31P0.232
U23
C8051F347
5
6
U10C
74HCU04
1
TP11 TEST POINT
C391
0.1uF
C304
0.1uF
t
RT11...

Page 99

ABC D
DCBA
REM_IN_ACT
TERMGNDREM_INBATT
REM_IN_ACT5V_ON
REM_OUT
MR#
REM_OUT
REM_IN_TTL
RESET#
R203
4.99k 1%
R322
1k
R292
100k
REG1(V8P5/600mA)
1REG3(V5/1400mA)
2VP2
3REG4(V3P3/1A)
4IGNIN
5IGNOUT
6RES
7CRES
8EN4
9EN1/3
10ENSW
11HOLD
12GND
13BU(14V/100mA)
14REG2(5V/300mA)
15SW(14V/3A)
16VP1(14.4V)
17 U4
TDA3681J
R7
4.7k
C35
47uF/6.3V
1
2
L17
1nH
C109
0.22uF Y5V
-20%+80%
R284
10k
C5
1nF
Boost 1
VIN
5EN
4
GND
2FB3SW 6
U24
LM2734Y
R324
3.3k
C6
1nF
R43 10k
C66
0.22uF
C1
0.1uF/100V
C47
0.22uF
Q8
MMBT3906
C378...

Page 100

ABC D
DCBA
M_LRCLK
M_LRCLK
I2S_IN1
ADC_MCLKADC_MCLK
ADC_MCLK
M_BCLK
M_BCLK
ADC_MCLK
SYSCLKDSP_MCLKADC_MCLKDAC_MCLK
ADC_PDN#
ADC_PDN#
ADC_PDN#
ADC_PDN#
I2S_IN2
I2S_IN3
I2S_IN0
M_BCLK
M_BCLKM_LRCLK
M_LRCLK
C182
10uF
C196 10uF
C195
10uFC147 2.2uF
C299
0.1uF
8
9 U16D
74HCU04
C187 10uF
C336
0.1uF
1
2
147U16A
74HCU04
R299
33
C228 10uF
C114
10uF
C167 10uF
C172
2.2uF
C192
10uF
C112 2.2uF
5x5.7XCOINH
1GND
2
Output 3VCC4
Y1
ASSVP-24.576MHZ-C04-T
5
6
U16C
74HCU04
C333
0.1uF
X0
12X1
14X2
15X3
11Y0
1Y1
5Y2
2Y3
4EN...
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