Panasonic SU-HTB550GK Service Manual page 107

16.2.9. DAMP CIRCUIT (1/2)
1 2 3
SCHEMATIC DIAGRAM - 9
A
B
DAMP CIRCUIT
JK5251
C5251
0.01
VCC 1
DIGITAL AUDIO IN
GND 2
B
(TV (OPT1)) R5207
10K OPT1_IN
OUTPUT 3
LB5251
REG3.3V
C5252
J0JBC0000014
0.01
1 C5253
VCC
10
DIGITAL AUDIO IN
OPT_GND
GND 2
(AUX2 (OPT2))
R5208
OPT2_IN
10K
OUTPUT 3
JK5252
C
CN5200
G1
40 OPT_GND
OPT_GND 1
OPT1_IN
OPT1_IN 2
OPT_GND 3
OPT2_IN
D
OPT2_IN 4
REG3.3V
OPT_GND 5
REG3.3V 6
R5201
REG3.3V 7
0
ECO_LEVEL
C5201
ECO_LEVEL 8
0.1u
SD 9
OTW 10
S_DET
11
DC_DET
12
DSP IRQ 13
DSP CLIP 14
A DSP MODE 15
PCONT_INV
TO
PCONT_INV 16
MAIN (CPU)
E DGND 17
DAP_MUTE
CIRCUIT
DAP_MUTE 18
DAP_RESET
(CN2201) DAP_RESET 19
IN SCHEMATIC VALID 20
DAP_PDN 21
DIAGRAM - 5
FAN_DA 22
DAP_SCL_2
DAP_SCL 23
DAP_SDA_2
DAP_SDA 24
DSP_GND 25
R5202 0
DSP_SD3(C/SW) 26
R5203 0
DSP_SD2(SL/SR)
27
R5204
DSP_SD1(FL/FR)
28
DSP_GND
29
R5205
DSP_SCLK
30
F
DSP_GND
31
R5206
DSP_LRCLK
32
DSP_GND 33
DSP_MCLK 34
DSP_GND 35
REG12V 36
REG12V 37
REG12V 38
DGND 39
C5202
DGND 40 1000P
1
G2
RL5005*
G
H
NOTE: " * " REF IS FOR INDICATION ONLY
1 2 3
4 5 6
: +B SIGNAL LINE : OPTICAL AUDIO INPUT SIGNAL LINE
C5331
C5332
64 63 62 61 60 59 58 57
R5350 C5373 C5372 C5371
0
R5351 6.3V22 10 1000P
1 AVSS
SD 2.2
2 AVDD
OTW
S_DET 3 PLLSEL
DC_DET 4 XINSEL
[64]ANATEST
R5358
R5357 X5302
5 CLK98IN
1M
0 C5375
6 DVSS_OSC
12P
IC5301
4 3
7 XIN
R5362 C5376 1 2
C1AB00003852
8 XOUT
1 12P
R5359 1K
DIGITAL AUDIO
9 DVDD1
C5378 C5377 PWM PROCESSOR
10 DVSS1
10 1000P
DAP_MUTE [17]REG15
11 SMUTE
[18]DVDDCORE1
DAP_RESET
VALID 12 RST_N
R5363
13 MONI1
0
FAN_DA
14 MONI2
15 MONI3
16 LDOPOFF
17 18 19 20 21 22 23 24
DAP_SDIN3
DAP_SDIN2
0
DAP_SDIN1
R5364
0
DAP_BCKI 0
0
DAP_LRCKI
R5365
47
REG12V
1 6
VCC
2 5
GND
3 4
C5219 0.1
IC5204
C0JBAB000837
DUAL INVERTER
4 5 6
7 8 9
: AUDIO OUTPUT SIGNAL LINE
R5324
22
10
C5351
10
1000P
C5352
1000P
56 55 54 53 52 51 50 49
PWM_FL+
48
PWM4A
PWM_FL-
47
PWM4B
PWM_FR+
46
PWM3A
PWM_FR-
45
[49]DVSS_PWM1 PWM3B
[50]PWM5B
44
DVDD_PWM1
R5388 Q5801
43
PWM2A 22
B1GBCFGG0030
42
PWM2B
PWM_SW+
41 DC DETECT
PWM1A
PWM_SW- REG12V
40
PWM1B
VALID
39 D5801
VALID
R5385 10K
[32]SDOUT1
S_DET DA2J10100L
38
[33]SDOUT2 ERRIN
R5384 1
37
DVDD2
D5805
DVSS2 36
C5355 C5354 DZ2J150M0L
BSSEL2 35
1000P 10
BSSEL1 34
D5802
33
DZ2J330M0L
25 26 27 28 29 30 31 32
Q5801
PCONT_INV
C5220 0.1
1 A VCC 5
2 B
3 GND Y 4
IC5205
C0JBAE000302
OR GATE
7 8 9
107
10 11 12
R5919
R2918
8.2K
560
IC5801
C0DBAYH00005
ON
VIN VOUT GND ADJ /OFF +12V VOLTAGE REGULATOR
1 2 3 4 5
SC-HTB550GK/GS/GSX
(SU-HTB550GK/GS/GSX)
1/2 2/2
DAMP CIRCUIT
10 11 12
13 14
P1
TO DAMP
SECTION (2/2)
1
P2
2
3
13 14