Harman Kardon HS300 Service Manual page 102

A+5V
R300
4.7K D300
1N4148
C
Q300 C
8050
B E
DAC_MUTE_R R302 10K B E
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 E
DGND
MCU_MUTE
D304 1N4148
HW_MUTE
D305 1N4148
R311 R312
10K 2.2K
O L
CN302 CN303 CN301
DGND DGND
1 1 1
ALRCK A+5V
2 2 2
ASCLK
DGND
3 3 3
AMCLK 3.3VA
4 4 4
DGND DGND
5 5 5
ADATA3 D-12V
6 6 6
DGND D+12V
7 7 7
MUTE_HP_SUB DGND
8 8 8
MCU_MUTE +5VON
9 9 9
HW_MUTE_2 +12VON
10 10 10
HW_MUTE
11 11
ADATA_IN
12 12
DGND
13 13
DATA/SDA
14 14
P
CN305
CLOCK/SCL
15
REMOTE_SENSE
DGND
16 4
COAXIAL SERIAL_DATA_IN
17 3
SPDIF_SW
DGND LOCATION-PAD
18 2
SERIAL_DATA_OUT
19 DGND 1
SPDIF_IN
20
20pin 1.0mm
A+5V
CN304 4pin 2.0mm EC309
220UF/16V
1
HP_L
2
3
HP_R
4
DTC343TK EC311
C C
220UF/16V
F
Q309 Q310
4.7K 4.7K
DTC343TK
B E B E
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
10UF/16V C324
104
IPOD_IN_R R357 10K N/A
IPOD_IN_L
R358 10K N/A
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
1 X X
+5VON
MUTE_L MUTE_HP_SUB
R307 R363
Mute logic circuit
10K 10K
D-12V
for headphone
C
Q303 Q311
and subwoofer
8550 8550
B E
MCU_MUTE D306
1N4148
HW_MUTE D307 R365 R364
+5VON
1N4148 10K 2.2K
HW_MUTE_2
D308
1N4148
N
R
DGND only for EU version
G
DGND R361 R362 and
B
DGND
CVBS
RGB_SWITCH
TVFORMAT0
TVFORMAT1
TUNER_IN_L
DGND
TUNER_IN_R
DGND G300 install hole
VOUTL EC302
47UF/16V
DGND
CLOCK/SCL
DATA/SDA
VOUTR
EC307
47UF/16V
3.3VA R331 R382
10K 10K
DGND
C308 EC312
104 10UF/16V D-12V
ALRCK C312 EC313
ADATA_IN
AMCLK
104 47UF/25V
ASCLK
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
AMCLK
5
DACMCLK
ASCLK
4
DACBCLK
R345 10K
3
AIN1L
R346 10K
2
AIN1R
R347 10K
1
AIN2L
R350 10K
U304C
6 5
U304D
U304E
8 9
10 11
R356
U304F 0R
Digital audio
12 13
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
R306
1K FB301
C Q304
DTC343TK R308
4.7K
R310 B E
TVFORMAT1 3.3K Q305
DTC343TK
D-12V
C
R313 C301
3.3K 104
4.7K
B E
TVFORMAT0
R315
3.3K
R316 C302
+5VON
3.3K 104
Scart video output and
audio input, only for EU
A+5V
version, don't install in
R314
US version.
150R FB304
C
Q306
4.7K
DTC343TK
B E
RGB_SWITCH
R317 3.3K
R318 C304
3.3K N/A 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%
1
3
R329 1.78k 1%
C307
U301
R330 0805 680p NPO LM833M
10K R332
6
7.50k 1%
7
5
D+12V C310 C311
V- V+
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
U304B R379
560R
4 3 2 1
U303 U304A
74HCU04
R351 10K COAX_IN C321
47p N/A R380 2.2K
4 2
1Y 1A
R381 47K
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
102
74HC158
harman/kardon
HS300
10UF/16V
SCART_IN_R
R366 2.2k
EC300
ESD300 R367
AVR-M1608C270M*ABB 10k
AVR-M1608C270M*ABB R369
ESD301 10k
SCART_IN_L
50R EC301 R368
10UF/16V 2.2k
B
FB300 50R B_OUT
1K ESD302
AVR-M1608C270M*ABB
SWITCH
C300
G
20PF FB302 50R G_OUT
ESD303
AVR-M1608C270M*ABB
R
FB303 50R R_OUT
ESD304
AVR-M1608C270M*ABB
50R BLNK
C303
20PF CVBS FB305 50R CVBS_OUT
ESD305
AVR-M1608C270M*ABB
Analog audio output & input
R320 680R R321
330R
EC303 R325 C
47UF/16V 10K Q307
4.7K
DTC343TK EC304
B E
EC305
R327 R328 EC306
680R 330R
C EC308
Q308
4.7K
DTC343TK R372 2.2k
EC310 TVR_IN
B E
47UF/16V R333
10K
R_IN
MUTE_L
MUTE_R
J304 COAXIAL IN/OUT
FB306
50R
C318
Coaxial output
A+5V
100p
R348
2 CH1
4.7K N/A
GND
1
C319
Coaxial input
104 CH2
3
TOP VIEW
ESD306
A+5V
AVR-M1608C270M*ABB N/A
J305 SHARP GP1FA513RZ
R352 100UF/16V N/A
4.7K VIN
3
GND
DRIVER
2
IC
A+5V VCC
1
C328 EC323
Title
104 100UF/16V
Fiber Optic RX
TOP VIEW
Size
Module
A3
Date:
J301
SCART CONNECTOR, RIGHT ANGLE, FEMALE
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
J302
DOWNMIX_L TV_IN_L L1
9
DOWNMIX_R TV_IN_R
8 R1
L_IN L_IN_1
10UF/16V L2
6
R_IN R_IN_1
10UF/16V R2
5
10UF/16V TVL_IN DOWNMIX_L
3 L3
10UF/16V TVR_IN DOWNMIX_R R3
2
R370 2.2k
7
TV_IN_R TVL_IN TV_IN_L
4
GND
1
R373 R371
10k 10k
R376 2.2k R374 2.2k CONN 6*RCA STEREO W/ CHASSY PIN
R_IN_1 L_IN L_IN_1
J303
R377 R375
23
23
10k 10k
21
21
19
19
1
1
Accessory_Identify
2
2
+12VON
3
3
R338 SERIAL_DATA_OUT
4
4
SERIAL_DATA_IN
1K N/A
5
5
Accessory_Detect
6
6
7
7
8
8
9
9
REMOTE_SENSE
10
10
11
11
12
12
IPOD_IN_L
EC317 10UF/16V N/A
13
13
IPOD_IN_R EC319 10UF/16V N/A
14
14
15
15
16
16
17
17
+12VON
18
18
20
20
22
22
EC321 C323
24
24
104 N/A
iPod
iPod N/A
HT1/HT2 AUDIO IN/OUT BOARD 060526
Document Number Rev
1804C 1.5
Friday, May 26, 2006 Sheet 13 of 20