Harman Kardon AVR 171/230, Service Manual

Page: 166 / 174

AVR171/230
7
4
B
1 2 3 4 5
D
C
B
A
6
C
D
A
APPROVE CHECK DESIGN DRAWING NO
MODEL
SHEET
SCHEMATIC DIAGRAM
REVISION
1
2
3
4
5
6
7
C.D.C S.K.S C.D.W
12.12.21
MULTI. LAB
ANAM
ISSUE
MP
(DC_DC_POWER)
27
18
BCO_Power Control
1129mA
3.3V
1.2V
Minimum 5ms
RESET
NET_PWR_SW1
NET_PWR_SW1_Delay
POWER TO MCU
Max. 3820mA
450mA
Nor. 3000mA
D+7V
POWER_HI
AMP_VCC_ON
POWER_DOWN
ST+5V
D+7V
D+7V
ST+5V
-12V
AGND
+12V
PWGND
PWGND
VOL_SEL_1
VOL_SEL_2
FROM SMPS
3.3V_DC
DC/DC (3.3V)
FB
VSS_C
VSS_P
SW V_IN_2
V_IN_1
V_IN_C
EN
2A 3.3V(3.42V)
DC/DC Regulator 2A
2012.03.01
2012.03.02
HDMI 5V Power
DSP_1.0V
DC/DC (DSP +1.0V)
2A 1.0V
X7R Series
X7R Series
BS
VIN
SW
GND
FB
VCC
EN
SS
OUT
OUT
FB
GND
VIN
VIN
EN
PG
To HDMI
FROM SMPS
TO HDMI & DSP
X7R Series
X7R Series
BS
VIN
SW
GND
FB
VCC
EN
SS
FROM SMPS
(+5.18V)
* Near to CN76
USB/IPOD POWER PART
350mA
DC/DC (S3.3V)
TO DSP
X7R Series
X7R Series
BS
VIN
SW
GND
FB
VCC
EN
SS
FROM SMPS
(Under +2.35V)
: PWR_SW2 =>LOW
Right Screw Hole
Top Mount
ADD_0607
12.07.26
2012.10.26
12.11.02
DC/DC (HDMI&DSP +5.0V)
X7R Series
X7R Series
BS
VIN
SW
GND
FB
VCC
EN
SS
FROM SMPS
12.11.02
12.11.05
12.11.20
12.12.11
12.12.11
12.12.11
12.12.11
12.12.21 12.12.21 12.12.21
12505SCDZ
L1318
CLZ9Z014Z
C1354
10V
/22u
F
C1355
0.1u
F
L1303
CLZ9Z014Z
L1304
CLZ9Z014Z
L1305
CLZ9Z014Z
C1313
0.01uF
C1302 0.1u
F
C1312 0.1u
F
C1311
100/
16V
C1308 0.1u
F
C1307
100/
16V
C1310
0.1u
F
C1309
100/
16V
L1306
CLZ9Z014Z
L1307
CLZ9Z014Z
L1308
CLZ9Z014Z
C1314
0.01uF
T1301 T1302 T1303
L1317
CLZ9Z014Z
IN OU
T
GND
3 2 1
IC1307 CVILM1117S12
C1353
16V
/10u
F
C1352 0.1u
F
C1350
0.1u
F
C1351 47/
6.
3V
1
2
3
4 56
78
IC1306
CVIEML3418-00SE08GRR
C1348
10V
/22u
F
R1338
10K
R1340
10K
L1315
1.5uH/2.3A
C1349
3216 10u
F/25V
R
1339 47K
R1301
0
R1302
0
R1303
0
R1304
0
12
3
4
56
7
9
8
101
11
21
31
41
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN
1301
CJ
P15GB
276Z
Y
L1316
CLZ9Z014Z
R1305
0 R1306
0 R1307
0 R1308
0
R1313
0
R1314
0
R1315
0
R1316
0
R1318
0
R1319
0
C1356
10V
/22u
F
C1357
0.
1
C1346
10V
/22u
F
C1322
10V
/22u
F
1
2
3
4 56
7
8
IC1302
DB1230HE
R1320 10K
R1321 15K
C1321
0.01u
F
L1309
3.
3u
H
3.
2A 4040
C1316
10V/22uF
C1320
0.015u
C1318 10V/2.2uF
C1319 0.01uF
R
1322
47K
C1315 0.1uF
C1317 0.1uF
R1323
0
R
1326
100K
R1327
0
8
7
6
5 43
21
IC1303
DB1514
R
1325
6.
2K
,1%
R
1324
10K
L1312
CLZ9Z014Z
C1328
16V
/10u
F
C1327
0.1u
F
C1329
4.
7u
F 6.
3V
C1330
0.1u
F
1
2
3
4 56
78
IC1304
DB1230HE
R1328 10K
R1329 5.1K
C1339 0.01u
F
L1313
3.
3u
H
3.
2A 4040
C1332
10V/22uF
C1336 0.015u
C1334
10V/2.2uF
C1335 0.01uF
R
1330
28K
oh
m
C1331 0.1uF
C1333 0.1uF
R1333
0
C1337
10V
/22u
F
L1310
CLZ9R005Z
C1323
10V
/22u
F
C1324
0.1u
F
L1311
CLZ9Z014Z
C1325
10V
/22u
F
C1326
0.1u
F
1
2
3
4 56
78
IC1305
DB1230HE
R1334
10K
R1335
10K,1%
C1347
0.01u
F
L1314
3.
3u
H
3.
2A 4040
C1341
10V/22uF
C1345
0.015u
F
C1343
10V/2.2uF
C1344 0.01uF
R
1336
2.
49K
1%
C1340 0.1uF
C1342 0.1uF
R1337
0
R
1331 OP
EN
R
1332 0.
1u
F
C1338
10V
/22u
F(
N.
C)
L1319
CLZ9Z014Z
T1305
R1311
0
T1304
R1309
0
R1310
0
R1312
0
C1301
470/
16V
R1350
0
R1351
0
R1352
0
R1353
0
R1354
0
R1355
0
R1356
0
R1357
0
R1359
0
R1360
0
R1361
0
R1362
0
F1301
CR
TM
IN
IS
MD
C200F
R1367
0
R1368
0
R1369
0
C1364
10V
/22u
F
1
2
3
4 56
78
IC1301
DB1230HE
R1371 10K
R1372
5.1K
C1306
0.01u
F
L1302
3.
3u
H
3.
2A 4040
C1304
10V/22uF
C1363
0.015u
F
C1361
10V/2.2uF
C1362 0.01uF
R
1373
27K
1%
C1303 0.1uF
C1305 0.1uF
R1374
0
C1271 OP
EN
C1276 OP
EN
C1272 OP
EN
+5VD_DSP
PWR_SW1
PWR_SW2
NET_PWR_SW
PWR_SW1
PWR_SW2
NET_PWR_SW
POWER_HIGH
POWER_DOWN
POWER_HIGH
POWER_DOWN
ST+5V
PW_GND
PW_GND
+7VD
POWER_HIGH
POWER_DOWN
ST+5V
AMP_VCC_CONT
-12V
+12V
AGND
CHGND
CHGND
CHGND
BCO_1.2V
VOLTAGE_SEL1
VOLTAGE_SEL2
PW_GND
BCO_3.3V
PW_GND
PW_GND
PW_GND
PW_GND
NET_PWR_SW
AGND
PW_GND AGND
+5VH1
+1V0_DC
+7VD
PW_GND
PW_GND
PW_GND
PWR_SW1
+1.3V_TX
+3.3V_TX
PWR_SW1
+7VD
PWR_SW2
USB+5V
+3.3V_COM
+3V3_DC
+7VD
PWR_SW1
PW_GND
PW_GND
PW_GND
PW_GND
PW_GND
PW_GND
USB_CURRENT
PW_GND
+5V_DC/DC
PW_GND
PW_GND
PW_GND PW_GND
PW_GND HGND
AGND HGND
AGND HGND
PWR_SW3
+5V_DC/DC
+7VD
PWR_SW3
PW_GND
PW_GND
PW_GND
Harman Kardon AVR 171 Service Manual
Page 166 of 174