Harman Kardon AVR 171/230 Service Manual page 166

Harman Kardon
6
FROM SMPS
POWER_DOWN 15 POWER_DOWN
D
AMP_VCC_ON 14 AMP_VCC_CONT ST+5V
POWER_HI 13
POWER_HIGH
450mA
ST+5V 12
+12V
ST+5V
11
+12V 10
-12V
AGND 9
AGND
-12V 8
CHGND CHGND
Max. 3820mA
D+7V
7
Nor. 3000mA
+7VD
D+7V 6 CHGND
D+7V 5
4
PWGND
12.07.26
3 PW_GND
PWGND
VOL_SEL_2 2 VOLTAGE_SEL2
PW_GND
VOL_SEL_1
1 VOLTAGE_SEL1
ADD_0607
Right Screw Hole
R1309 R1311
T1304
T1305
0 0
R1310
R1312
0
0
HGND AGND HGND PW_GND
Top Mount
C
C1315 0.1uF
DC/DC (SIL9575 +3.3V)
C1316
10V/22uF
C1317 0.1uF
R1320 10K
PWR_SW1
10V/2.2uF C1318
R1321 15K
C1319 0.01uF
PW_GND
R1327
PWR_SW1
0
B
PW_GND
C1331 0.1uF
C1332
10V/22uF
C1333
0.1uF
R1328 10K
PWR_SW2
C1334
10V/2.2uF
5.1K
R1329
C1335 0.01uF
PW_GND
A
USB/IPOD POWER PART
5
2012.03.01 L1303
0
R1305
R1301 CLZ9Z014Z
R1306 0 0 L1304
R1307 0 R1302
CLZ9Z014Z
R1308 0 0
L1305
R1362
0 R1303
CLZ9Z014Z
0
PW_GND 0 AGND
C1313
R1304
0 0.01uF
R1360 L1306
CLZ9Z014Z
AGND L1307
CLZ9Z014Z
R1350 L1308
R1351 0
CLZ9Z014Z
R1352
0
R1353 C1314
0
0
HGND AGND 0.01uF
2012.03.02
0
0
R1313
0
R1314
0
R1315
R1316 0
0
R1318
R1319 0
0
R1354
R1355 0
R1356 0
0
R1357
0
R1359
0
R1361
0
R1367
0 2012.10.26
R1368
R1369
PW_GND
+7VD FROM SMPS
X7R Series
X7R Series
IC1302
DB1230HE
EN VIN
R1323
FB BS
0
VCC SW
TO HDMI & DSP 350mA
SS GND
+3.3V_TX +3.3V_COM
PW_GND
L1310
CLZ9R005Z
12.12.11
+3V3_DC TO DSP
PW_GND
L1311
L1312
CLZ9Z014Z
CLZ9Z014Z
PW_GND
VIN OUT
VIN OUT
IC1303
+1.3V_TX
DB1514 To HDMI
EN FB
PW_GND
PG
GND
PW_GND
+7VD
FROM SMPS
X7R Series 12.11.02
X7R Series
IC1304
DB1230HE
EN VIN
R1333
FB BS
0
VCC SW (Under +2.35V)
USB_CURRENT
12.11.20
: PWR_SW2 =>LOW
SS GND
PW_GND
USB+5V (+5.18V)
* Near to CN76
PW_GND PW_GND
4 3
DC/DC (DSP +1.0V)
FROM SMPS
+7VD
C1340 0.1uF X7R Series
X7R Series
C1341
10V/22uF
C1342 0.1uF IC1305
DB1230HE
R1334 10K
EN VIN
R1337
PWR_SW1
FB BS
0
C1343
10V/2.2uF
VCC SW
R1335 10K,1%
DSP_1.0V
C1344 0.01uF
SS GND
+1V0_DC 2A 1.0V
PW_GND
12.11.05
PW_GND
12.12.11
PW_GND
BCO_Power Control
DC/DC (DM860A +3.3V)
NET_PWR_SW
IC1306
ST+5V CVIEML3418-00SE08GRR
L1316 R1340 BCO_3.3V
EN FB
CLZ9Z014Z 10K
PW_GND
R1338
V_IN_C VSS_C
10K
V_IN_1 VSS_P
L1315
V_IN_2 SW
1.5uH/2.3A
PW_GND
PW_GND
PW_GND
DC/DC Regulator 2A
CVILM1117S12
IC1307
1 2 3
L1317
CLZ9Z014Z
BCO_1.2V
1.2V
NET_PWR_SW1_Delay
3.3V
NET_PWR_SW1
RESET
Minimum 5ms
2
+5V_DC/DC
DC/DC (HDMI&DSP +5.0V)
C1303 0.1uF
C1304
10V/22uF
C1305 0.1uF
R1371 10K
PWR_SW3
C1361
10V/2.2uF
R1372 5.1K
C1362 0.01uF
12.12.11
PW_GND
2A 3.3V(3.42V)
3.3V_DC
POWER TO MCU
PWR_SW1
PWR_SW1
PWR_SW2 PWR_SW2
NET_PWR_SW NET_PWR_SW
POWER_HIGH POWER_HIGH
POWER_DOWN POWER_DOWN
1
MP
MODEL
ISSUE
ANAM
DESIGN
MULTI. LAB
12.12.21
C.D.W
12.12.21
AVR 171 Service Manual
1
HDMI 5V Power
L1319
+5VH1
CLZ9Z014Z
1129mA
L1318
+5VD_DSP
CLZ9Z014Z
FROM SMPS
+7VD
X7R Series
X7R Series
IC1301
DB1230HE
EN VIN
R1374
FB BS
0
VCC SW
SS
GND
+5V_DC/DC
PWR_SW3
PW_GND
12.12.11
PW_GND
12.11.02
REVISION 2 4 6
3 5 7
SCHEMATIC DIAGRAM
SHEET
AVR171/230
18
27
CHECK APPROVE DRAWING NO
S.K.S C.D.C 12505SCDZ
(DC_DC_POWER)
4
Page 166 of 174
12.12.21 12.12.21
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D
C
B
A