Panasonic SA-PT170PH Service Manual page 105

15 16 17 18
SCHEMATIC DIAGRAM - 7
: +B SIGNAL LINE
B
MAIN CIRCUIT
: -B SIGNAL LINE
P1
TO MAIN
SECTION (1/4)
R2039 47K
R2022 47K
R2093 10K
R2077 10K
R2041 47K
R2055 47K
R2007 47K
MIC_SW
MIC_LVL1
MIC_LVL2
SENSE1
KEY2
KEY1
C2001 0.1
ECHO_LVL1
R2862 10K
C2026
0.1
C2027
0.1
R2863 10K
R2080 10K
R2081 10K
ECHO_LVL2
ECHO_MUTE
ACS_MUTE
ECO_PT170
NSW+6V
FLD_CLK
FLD_STB
FLD_OUT
AGND
VREF
DGND
D2969
B0ACCK000005
SYS5V
D2970
B0ACCK000005
VREF2
TP 5
Q2929
B1ADCE000012
POWER SUPPLY
Q2930
PCONT
B1GBCFJJ0051
POWER CONTROL
C2006
50V2.2
VREF1
D2971
TP
B0EAKM000117 7
19 20 21
: CD/DVD AUDIO INPUT SIGNAL LINE : CD/DVD VIDEO INPUT SIGNAL LINE
: TV/MUSIC PORT/AUX AUDIO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
R2057
1K
C2000
0.1
R2075 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53
220
81
82
83
84 UD_CR
85
RDS_CLK
86 MIC_SW [81]IPOD DET [50]AV_MUTE
R2056 220
[82]BATT_PCONT [49]IPOD_VIDEOSEL
87 MIC_LVL1
[83]IPOD_ACC [48]FX_CLK
88 MIC_LVL2
[47]FX_DO
89 MD3
IC2001
90 MD2 RFKWMPT470EB
91 DES2 PHONE_RST
MICRO PROCESSOR
92 DES1
I2CLK(TUN)
[1]ECHO_LVL2 [33]MUTE_C_S
93 SENSE1 [32]UART_RX I2CDAT(TUN)
[2]ECHO_MUTE
[31]UART_TX
94 ACS [98]VREF TUN_DO
[99]AVCC
95 KEY2 HOP_DA
[100]ECHO_LVL1
C2021
MOD_DA
96 AVSS
0.1
MUTE_F_SW
97 KEY1
98
99
100
R2014 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
47K
R2030
47K
3
R2008 47K
TP 2
2
1
X2001
H2B100500007
TP 1
1 CS VCC 8
2 SK NC 7
3 DI TEST 6
4 DO GND 5
Q2003
B1GBCFLL0037
IC2003
RESET
RFKWEPT470EB
EEPROM
22 23 24
: VIDEO OUTPUT SIGNAL LINE
: FM SIGNAL LINE
R2095 47K
R2033 22K
R2038 47K
Q2030
B1GBCFJJ0051
LEVEL SHIFTER
R2012 10K
TP 6
R2045
10K
R2043 15K
R2037
R2035
47K 47K
52 51
R2090 15K
R2078 220
50
49
48
47
R2034 47K
NC 46
FX_SCS
45
FX_DI 44
FX_DET1
R2053 220
FX_DET 43
TUN_SD
TUN_SD 42
R2092
220
EPM 41
R2066 220
40
TUN_CLK
39
TUN_DI
38
TUN_DO
37
R2054 HOP_DA
220
36
MOD_DA
35
(BUSY) MUTE_F_SW
34
(CLK) MUTE_C_S
33
32
(TxD)
31
29 30
TP 8
R2040
47K
TP
4
ECO_DAMP
R2031 220 DVD_CMD
DVD_STAT
DVD_CLK
DC_DET1
PCONT
R2036 220
R2060 220
R2062 220
DC_DET2
Q2927
B1GDCFJJ0047 D2966
MA2J11100L
INVERTER
ECO_DAMP
Q2926
B1GDCFJJ0047
INVERTER
ECO_CTL
D2964
Q2925 MA2J11100L
B1ABGC000005
R6605
47K
INVERTER
R6606
6.8K
ECO_SW
105
25 26 27
CN2005
ECHO_MUTE
10 ECHO_MUTE
ECHO_LVL2
9 ECHO_LVL2
ECHO_LVL1
8 ECHO_LVL1
MIC_LVL2 C7104
7 MIC LVL 2
MIC_LVL1 100P
6 MIC LVL 1
MIC_SW C7103
5 MIC_SW
100P
C7102
4 -7V
AGND 0.1
3 AGND
C7101
2 +7V
0.1
MIC_IN L7100 J0JBC0000015
1 MIC_IN
K2352
0
MPORT-LCH
K2452
MPORT-RCH 0
CN2010
7 DGND
6 MPORT_SW
-7V
5 -7V
+7V
4 +7V
3 ACS
2 AGND
1 ACS_MUTE
CN2007
19 MPORT_SW
KEY1
18 KEY1
JOG_A
17 JOG_A
JOG_B
16 JOG_B
KEY2
15 KEY2
FLD_STB
14 FL_IC_STB
FLD_CLK
13 FL_IC_CLK
FLD_OUT
12 FL_IC_DAT
RMT
11 RMT
VREF
10 VREF
9 SW+5V
8 DGND
7 DGND
-VP
6 -VP
F-
5 F-
F+
4 F+
3 HP_RCH
AGND
2 AGND
1 HP_LCH
RMT
JOG_A
JOG_B
SYNC
ECS
ECK
EDA
RF+5V
TO MAIN
SECTION (4/4)
1/4 2/4
SA-PT170PH/PR
3/4 4/4
MAIN
AGND
28
A
I
TO
MIC CIRCUIT
(H7000*)
IN SCHEMATIC
DIAGRAM - 16
B
D
TO
MPORT/USB CIRCUIT
(H6701*)
IN SCHEMATIC
DIAGRAM - 11
C
1
D
C
TO
PANEL CIRCUIT
(CN6904)
IN SCHEMATIC
DIAGRAM - 10
E
19
F
G
CIRCUIT
H