Panasonic SA-XH170EB Service Manual page 99

1 2 3
SCHEMATIC DIAGRAM - 7
A
A MAIN(MICON) CIRCUIT
B
C
DAP_RST
D
R2307 10K
R2383 D2301
10K DZ2J030M0L
FAN_AD R2397 1K
KEY2
KEY1
SEL_A
R2308 10K
R2309 10K
E C2307 0.1
PW_VREF
R2310 10K
C2308 560P
C2309 560P
R2311 10K
RX2301
D1H8R0040009
SPDIF_SW
OPEN_SW
F
CLOSE_SW
PW_SYS3R3V
LB2301
J0JBC0000015
G
K2713
0
DGND
H
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE : AUX/TUNER/TV AUDIO INPUT SIGNAL LINE
R2340
100
R2354 R2355 C2304
10K 10K
0.1
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59
R2318
3.3K
76 DAP_CLK
77 DSP_RESET
78 DSP_MUTE
79 DAP_RST
NC
80
R2346 10K R2395 100
81 VALID
82 NC
[75] DAP_DAT [50] VMUTE2
83 MPORT_SW
[74] MIC LVL 3 [49] RGB_H
84 MIC_SW
[73] VOL 0 [48] PCONT
85 [72] MIC LVL 2 [47] iPod_VIDEO_SEL
NC
86 DES3
C2321
87 NC
0.1
IC2300
88 FAN_AD
R2384 100 RFKWMXH170EB
89 KEY2
R2385 100 MICROPROCESSOR
KEY1
90
91 SEL_A
92 SEL_B
[97] AVCC [28] MICROP_TX
93 DES2 [98] ECHO_MUTE [27] MICROP_RX
[99] SPDIF_SW [26] FLD_STB
94 AVSS
[100] OPEN_SW
DES1
95
C2306
96 VREF
0.1
97
98
99
100
R2335
47K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
R2338
10K
R2339
8 7
10K 3
6 5
4 3
2
2 1
R2351
0 1
X2300
H2D500400006
R2322
100K
R2358
47K
7 8 9
: AUDIO OUTPUT SIGNAL LINE : FM SIGNAL LINE
R2357 R2334
220 1K
R2333 56K
R2332 56K
R2363 10K
R2364 10K
R2344
220
58 57 56 55 54 53 52 51
50
49
R2353 220
48
47
FX_CLK 46
FX_DO 45
R2389 100 R2352 10K
CE 44
FX_SCS 43
FX_DI 42
41
FX_DET
FX_BUNDLE_CS 40
R2328 10K
EPM 39
2
AMUTE 38 1
RX2304
REV
37 3 4
D1H81014A024
FWD 36 5 6
R2349 220
NC
35 7 8
R2365 100 R2370 4.7K
ECK 34
R2366 100 R2371 4.7K
EDA
33
R2343 220
DAP_MUTE 32
R2341 47K
SCLK 31
R2345 47K
DBG_RX
30
R2342 47K
DBG_TX 29
R2320 0
28
R2321 0
27
26
LB2303
18 19 20 21 22 23 24 25
0
R2327 220
R2356 27K
R2330 R2326 R2325
10K 10K 10K
2 4 6 8
RX2300
D1H81014A024
1 3 5 7
TO MAIN(MICON)
CIRCUIT (4/5)
99
10 11 12 13
: USB SIGNAL LINE
IC2301
C3EBFC000042
EPM
EEPROM
CE
5 SDA GND 4
6 SCL A2 3
7 2
WP A1
PCONT
C2303
1
8 1
VCC A0
AMUTE
REV
FWD
DGND_1
DAP_MUTE
BUSY
CLOCK
RXD
TXD
CEC_IN_OUT
MICRO-P_RX
MICRO-P_TX
TUN_SDIO
TUN_SCLK
TUN_REST
TUN_GPIO
SYNC
HD: MAIN(HDMI): SCHEMATIC DIAGRAM - 1 ~ 6
MI: MAIN(MICON): SCHEMATIC DIAGRAM - 7 ~ 11
1/5 2/5 3/5
SA-XH170EB/EG,
4/5 5/5
SA-XH175EP MAIN(MICON) CIRCUIT
14
TO MAIN(MICON)
CIRCUIT (2/5)
P1