Harman Kardon Digital Lounge HS 250 Service Manual page 50

harman/kardon
A+5V
A+5V
R300
4.7K D300
1N4148
C
Q300 C
8050
B E
DAC_MUTE_R R302 10K B
DGND
MCU_MUTE
D301 1N4148
HW_MUTE D302 1N4148
R303 R304
10K 2.2K
A+5V
Mute logic circuit
R305
for main L&R
4.7K D303
1N4148
analog output
C
Q302 C
8050
B E
DAC_MUTE_L
R309 10K B
DGND
MCU_MUTE
D304 1N4148
HW_MUTE
D305 1N4148
R311 R312
10K 2.2K
CN302
CN301
24
AMP_TWARN
R
23 1
AMP_PD
DGND
22 2
G
21 3
SPDIF_IN
DGND
20 4
B
19 5
SPDIF_SW
DGND
18 6
COAXIAL
CVBS
17 7
RGB_SWITCH
16 D 8
CLOCK/SCL
TVFORMAT0
15 9
DATA/SDA
TVFORMAT1
14 10
TUNER_IN_L
E 13 11
ADATA_IN
DGND
12 12
HW_MUTE
TUNER_IN_R
11 13
iPod_check
DGND
10 14
ADATA2
9 15
iPod_Rx
8 16
iPod_Tx
7
ADATA0
6
ADATA3
16pin 1.0mm
5
4
AMCLK
3
ASCLK
2
ALRCK
1
24pin 1.0mm DGND
A+5V
CN304 MCU_MUTE EC309
220UF/16V
1
HP_L
2
G 3
HP_R
4
EC311
5
C C
220UF/16V
5pin 1.0mm
4.7K 4.7K
Q309 Q310
B E B E
DTC343TK DTC343TK
MUTE_HP_SUB
WM8776
U302
VOUTL
VOUTR
25
NC
26
VOUTL
EC315 C315
27
VOUTR
10UF/16V
28
VMIDDAC
104
29
DACREFN
30
DACREFP
EC316 C316
31
AUXR
R344 330R 10UF/16V 104
32
AUXL
33
VMIDADC
A+5V EC318 C320
34
ADCREFGND
10UF/16V 104
35
ADCREFP
36
AVDD
EC320 C322
10UF/16V 104
A+5V EC322
100UF/16V C324
104
IPOD_IN_R
IPOD_IN_L
R357 10K
R358 10K
TUNER_IN_R R359 10K
TUNER_IN_L
R360 10K
SCART_IN_R
R361 10K only for EU version
SCART_IN_L R362 10K only for EU version
SPDIF_IN
SPDIF_SW
MUTE_R RGB TV TV
SWITCH FORMAT0 FORMAT1
R301
10K
D-12V
X 0 1
X 0 0
Q301 X 1 0
8550 0 X X
E 1 X X
+5VON
MUTE_L
R307 R363
Mute logic circuit
10K 10K
D-12V
for headphone
C
Q303 Q311
and subwoofer
8550 8550
E B E
MCU_MUTE D306
1N4148
HW_MUTE D307 R365 R364
+5VON
1N4148 10K 2.2K
Digital Lounge HS 250/230 Service Manual
only for EU version
R361 R362 and
5VON
-12V
VOUTL EC302
47UF/16V
CLOCK/SCL
DATA/SDA
VOUTR
EC307
47UF/16V
3.3VA R331 R382
10K 10K
C308 EC312
104 100UF/16V D-12V
C312 EC313
ADATA_IN
104 47UF/25V
3.3VA
3.3VA
12
DOUT
R339 R340
11
ADCMCLK
10K 10K
10
ADCBCLK
DAC_MUTE_L
9
ZFLAGL
DAC_MUTE_R
8
ZFLAGR
ALRCK
7
DACLRC
ADATA3
6
DIN
R385 150R AMCLK
5
DACMCLK
ASCLK
4
DACBCLK
R345 10K
3
AIN1L
R346 10K
2
AIN1R
R347 10K
1
AIN2L
R350 10K
6 5
U304C
8 9
U304D
10 11
U304E
12 13
U304F
Digital audio
input/output
TV FUNCTION PIN8(V) PIN16(V)
SCART Inactive (Standby) 0V X
SCART Active Auto Switch to 4:3 Aspect Ratio 12V X
SCART Active Auto Switch to 16:9 Aspect Ratio 6V X
RGB X 1-3V
CVBS X 0-0.4V
D+12V
R383 R306
2K 2K
C Q304
DTC343TK
4.7K
MUTE_HP_SUB
R310 B E
TVFORMAT1 3.3K
D-12V
R313 C301
3.3K 104
4.7K
B
TVFORMAT0
R315
3.3K
R316
+5VON
3.3K
Scart video output and
audio input, only for EU
A+5V
version, don't install in
R384 R314
300R 300R
US version.
C
4.7K
B E
RGB_SWITCH
R317 3.3K
C304
104
R319 1.78k 1%
C305 0805 102 NPO
C306 0805 100p NPO
R322 R323 R324 4.75k 1%
10K 4.75K 1%
R326
2
7.50k 1%
3
R329 1.78k 1%
C307
R330 0805 680p NPO
10K R332
6
7.50k 1%
DGND
5
D+12V C310 C311
V- V+
D-12V D+12V
0805 102 NPO 0805 680p NPO
C313 EC314
R336
104 47UF/25V 4.75K 1% D-12V D+12V
R337 4.75k 1%
C314 0805 100p NPO
COAXIAL
R341 R342 150R
220R R343
C317 110R
100p
4 3 2 1
U303 U304B U304A
74HCU04
R351 10K COAX_IN C321
47p N/A R380
4 2
1Y 1A
R381
3
1B
7 5
2Y 2A
OPTICAL_IN
6
2B
A+5V
10
3B
R353 10R
11
3A
FB307
12
4Y
50R C325
9 14
3Y 4A
C326
13
4B
47p
16
VCC
47p 5VA
1
A/B
C327
15 8
G GND
104
74HC158
NOT FOR HS250DL VERSION
10UF/16V
SCART_IN_R
R366 2.2k
EC300
ESD300 R367
AVR-M1608C270MTABB 10k
AVR-M1608C270MTABB R369
ESD301 10k
SCART_IN_L
FB301 50R EC301 R368
10UF/16V 2.2k
B
FB300 50R B_OUT
R308
1K ESD302
AVR-M1608C270MTABB
Q305
DTC343TK SWITCH
C
C300
G
20PF FB302 50R G_OUT
E
ESD303
AVR-M1608C270MTABB
C302
104
R
FB303 50R R_OUT
ESD304
AVR-M1608C270MTABB
FB304
50R BLNK
C303
Q306 20PF CVBS FB305 50R CVBS_OUT
DTC343TK
ESD305
AVR-M1608C270MTABB
Analog audio output & input
R320 680R R321
330R
EC303 R325 C
47UF/16V 10K Q307
4.7K
DTC343TK
B E
1
R327 R328
680R 330R
U301
C
LM833M Q308
4.7K
DTC343TK
EC310
7 B E
47UF/16V R333
10K
MUTE_L
MUTE_R
FB306
COAXIAL_OUTPUT
50R
C318
100p
R379
COAXIAL_INPUT
560R
C319
104
2.2K ESD306
AVR-M1608C270MTABB N/A
47K
A+5V
J304 SHARP GP1FA513RZ
R352
4.7K VIN
3
GND
DRIVER
2
IC
A+5V VCC
1
C328 EC323
104 100UF/16V
Fiber Optic RX
TOP VIEW
Module
J301
SCART CONNECTOR CS101 WITH SHIELD
24
GND
1
AOR
2
AIR
3
AOL
4
AGND
5
BGND
6
AIL
7
B
8
SWTCH
9
GGND
10
CLKOUT
11
G
12
DATA
13
RGND
14
DATAGND
15
R//C
16
BLNK
17
VGND
18
BLNKGND
19
VOUT//Y
20
VIN
21
SHIELD
25
GND
DOWNMIX_L
DOWNMIX_R
L_IN L_IN_1
EC304 10UF/16V R374 2.2k
EC305 10UF/16V R_IN R376 2.2k R_IN_1
EC306 10UF/16V TVL_IN R370 2.2k TV_IN_L
EC308 10UF/16V TVR_IN R372 2.2k TV_IN_R
Red White
Red White
Red White
Orange Orange
J302
AV8-8.4-13/PB
TV_IN_R
11
TV_IN_L
12
R_IN_1
8
L_IN_1
9
DOWNMIX_R
5
DOWNMIX_L
6
COAXIAL_INPUT
2
COAXIAL_OUTPUT
3
UP
DOWN
GND
Title
HS250 AV BOARD 070913
Size Document Number
A3 5229C
Date: Saturday, March 01, 2008 Sheet 13 of 20
Page 50 of 56
Rev
1.2