Text preview for : sch16_17.pdf part of panasonik sa-ht75 SERVICE MANUAL
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TO TUNER PACK (RAN0005EM-2)
CP251
10 11 1 4 9 5 8 7 6 3 2
CLK DO/ST DI LCH CE RCH DET 7V SD 15V GND
C913 16V22
C912 16V22
C916 2200P
C915 2200P
R861 2.2K R862 2.2K
C890 2200P
R940 47K
R939 47K
C878 0.01
MIC
AUXL VCRL TVL
6CHFL
TVR VCRR AUXR
6CHFR
<0.67V> 5 ((0.67V))
<0V> ((0V))
1
VDD VEE
R925 R926 12K 12K
<0V> 6 ((0V))
4
LINEOUTL
LINEOUTR
Q810
2
R863 4.7K
DSP CIRCUIT
SCHEMATIC DIAGRAM - 16
B1GFGCAA0001
C891 2200P
S1
SWITCH
3 4
S2 S3
Q810
5
S4
DET_OUT
C911 16V22
6
IC802
SER2 DO_ST SER1
SER3
SD
C1
7
1 <0V>
ANALOG SWITCH
NJU7313AMT2
2 <0.67V> R942 ((0.67V)) 1K 3
S5
<0V> ((0V))
8
S6
((0V))
9
C2 S7 S8 NC DATA ST C3 NC
R937 1K
R941 1K
<7.88V>((7.88V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V))
<-7.93V>((-7.96V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V))
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R938 1K C910 16V22 R932 R933 3.9K 6.8K
R931 12K
MUTE_ZFLAG NJ-DT R934 6.8K NJ-DT NJ-CK
CK VSS
10 11 12 13 14 15
IC802
<0V>((0V)) <0V>((0V))
R874 4.7K
C854 47P
: -B SIGNAL LINE
: +B SIGNAL LINE
NJ-ST
SW_ATT2 SW_ATT1 DSPRST MIXL
21 20 19 18 17 16 15 14 13 12 11 10
IC805
DRST1 DCS1
-
R936 10K
R841 100K
<4.93V>((4.95V)) <4.95V>((4.95V)) <0V>((0V))
6
RST2
DCK
CS2
DACK
R865 10K C873 470P R860 18K R843 22K
5 4
CK
SENSE
MIXL IC803 MIXR
4CHVOL_CK 4CHVOL_DT
DO
+VCC
-VCC
EXP26
EXP25
EXP24
DCS EDT /NJ-DT ECK /NJ-CK NJ-ST
R847 4.7K R873 4.7K R909 8.2K C876 6.3V47
EXP23
AVSS
<0V>((0V)) <4.95V>((4.95V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((4.99V)) <0V>((0V))
IC803
EXP22
VREF
R864 C849 56K 680P R858 33K
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
C902 50V4.7
QUAD OP AMP
R856 33K C867 150P
M5228FPE1
C868 150P C903 50V4.7
<0V>((0V))
EXP21
VCC
<0V>((0V)) <2.29V>((2.29V)) <2.11V>((2.11V)) <4.93V>((4.94V)) <0V>((0V)) 5.02V>((5V)) <0V>((0V)) <4.99V>((5V)) <4.99V>((4.99V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <4.99V>((5V)) <0V>((0V)) <4.93V>((4.95V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <4.99V>((5V)) <4.98V>((5V))
<0V> ((0V)) <0V> ((0V)) <0V> ((0V)) <7.89V> ((7.88V)) <0V> ((0V)) <0V> ((0V)) <0V> ((0V))
3 2
-
R910 R916 8.2K 100K
R885 4.7K
: DVD AUDIO SIGNAL LINE
R917 100K
-
R868 R901 SER1 1K 10K R867 220 SER2 R866 220 DSPACK R900 SENSE 1K R899 1K SER4 R898 1K NJ-DT R877 1K NJ-CK R876 1K NJ-ST
1
-
R875 100K C853 47P C857 47P
R915 47K C852 1000P C851 1000P R914 47K
C840 0.01
R929 6.8K
R913 1K
R930 6.8K
MIXL
MIXR
R912 C904 1K 50V4.7
C905 50V4.7
R928 3.9K
GND
EXP18
VSS
C871 0.01
EXP17
XOUT
R927 12K
EXP16
XIN
R870 680 R844 100K
EXP15
RESET
VR-ATT
ECS
X802 R869 C874 RSXY8M00D01T 220 0.022 R872 OUT IN 100K
MUTESW
SW1
: FM/AM SIGNAL LINE : MAIN SIGNAL LINE
MUTES
GND
MUTEA
SW2
<4.86V>((4.86V)) <4.86V>((4.86V)) <4.71V>((4.71V)) <4.71V>((4.71V)) <4.79V>((4.79V)) <4.89V>((4.89V)) <0V>((4.89V)) <4.87V>((4.88V)) <0V>((0V))
R835 18K
C870 47P
EXP27
SW3
MIXR
7 +
C909 16V10
8 +
RST1
DDI
CS1
DDO
C914 16V10
9 10
9
R857 22K C872 470P
11
8
7
6
12
5
4
13
L R+
+
3
R907 C850 56K 680P R908 8.2K
14
2
1
<0V> C869 ((0V)) 47P <0V> ((0V)) <0V> ((0V)) <-7.91V> ((-7.93V)) <0V> ((0V)) <0V> ((0V)) <0V> ((0V))
R839 10K
C875 0.01
R911 8.2K
IC805
R838 10K
L802 G0C100JA0030
C2BBFD000344
DSP MECHA CONTROL
C906 50V0.47 C895 50V0.47 C907 50V0.47
R887 R897
R919 R918 R920 R921 R871
C908 50V0.47
C900
50V4.7
C899 50V4.7
C896 50V0.47 C897 50V0.47
C901 16V100
4CHVOL_LT 4CHVOL_CK 4CHVOL_DT 330 CF_12 330 CF_ON 4.7K 4.7K 330 MUTEA
330 330
R880 R840
C845 0.01
R883 47
R879 1K
R922 1K
MUTE_SB VR_ATT
1K 1K R881 1K R882 1K
SCHEMATIC DIAGRAM - 17
: +B SIGNAL LINE : -B SIGNAL LINE : DVD AUDIO SIGNAL LINE : MAIN SIGNAL LINE
DSP CIRCUIT
4CHVOL_DT 4CHVOL_CK DCS1 DRST1
R906 R905 330 330 R904 R903 330 4.7K C885 R902 0.022 100K
L804 RLBN102V-Y
C884 C881 0.01 0.01
C882 0.1
<4.94V>((4.94V)) <3.09V>((3.09V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <2.48V>((2.48V))
<0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <0.61V>((0.54V)) <0.61V>((0V)) <0V>((0V)) <0V>((0V))
<0V>((0V)) <4.96V>((4.94V)) <4.96V>((4.94V)) <0V>((0V)) <4.95V>((4.95V))
1 2
IFDI
IFCK
TST1
TST0
/ERR
IFDO
/RST
I2CS
/CS
VDD
NC
NC
NC
NC
NC
NC
NC
DOUT
DIN0
DIN1
DIN2
GND
NC
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 EBCI/O
L803 G0C100JA0030
<2.43V>((2.4V)) 69 RIN4 <2.5V>((2.5V)) 70 RIN3 <2.5V>((2.5V)) <2.5V>((2.5V)) 71 RIN2 <2.43V>((2.42V)) 73 NC <0V>((0V)) 74 GNDAL <0V>((0V)) 75 <2.59V>((2.59V)) OUTL <2.51V>((2.51V)) 77 VDAL <5.01V>((5.01V)) 78 VDAR <5.01V>((5.01V)) 79 VRAR <2.5V>((2.5V)) <2.58V>((2.5V)) 80 OUTR
76 VRAL 72 RIN1
68 LIN1
DIGITAL SIGNAL PROCESSOR
IC801 C2HBZC000013
GNDA1
GNDA2
VDA12
GNDX
VRO1
VRO2
AOT1
AOT2
VDX
AO1
AO2
VRI
AI1
AI2
XO
NC
NC
NC
NC
NC
NC
GNDAR 1 2
XI
3
4
5
6
7
8
9
GNDA3 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
<0V>((0V)) <0V>((0V)) VDDR 37 <4.96V>((4.96V)) NC 36 <0V>((0V)) GNDA4 35 <0V>((0V)) NC 34 <0V>((0V)) AI4 33 <2.5V>((2.5V)) C898 AO4 32 <2.5V>((2.47V)) 50V1 NC 31 <0V>((0V)) AOT4 30 <2.51V>((2.5V)) R852 NC 29 560 <0V>((0V)) VDA34 28 <5.01V>((5V)) R853 AOT3 27 <2.51V>((2.51V)) 560 AO3 26 <2.48V>((2.48V)) AI3 25 <2.5V>((2.5V)) C846
GNDR 38
C879 0.01 C880 0.01
C917 0.01
<2.48V>((2.4V)) 66 LIN3 <2.5V>((2.5V)) LIN2 <2.5V>((2.5V)) 67
65 LIN4
ELRI/O 40
<2.48V>((2.48V))
SYNC 39
C888 0.01
DET_OUT 7.5V SER.G DSPRST SENSE DSPACK SER3 SER1 SER2 SER4 SD DO_ST
3 4 5 6 7 8 9 10 11 12 13 14
TO PANEL CIRCUIT (CN602) ON SCHEMATIC DIAGRAM-22
L801 RLBN102V-Y
CN805
C848 2200P C877 0.01 C858 2200P
R878 C892 1K 50V1 R859 C859 1K 50V1
DPLS
DPLC
50V1
C883
50V1
C847 0.01
C855 0.01
R947 680
TVL TVR VCRL VCRR AUXL AUXR LINEOUTL LINEOUTR DSPFL DSPFR DPLS DPLC 6CHSL 6CHSR 6CHC 6CHSW SW_ATT2 SW_ATT1 ASPECT VR_ATT SW_5V 4CHVOL_DT 4CHVOL_CK 4CHVOL_LT
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
<0V>((0V)) <4.8V>((4.78V)) <2.11V>((2.11V)) <2.21V>((2.18V)) <0V>((0V)) <0V>((0V)) <0V>((0V)) <2.5V>((2.5V)) <2.49V>((2.49V)) <0V>((0V)) <2.51V>((2.51V)) <0V>((0V)) <5.01V>((5V)) <2.51V>((2.5V)) <2.48V>((2.49V)) <0V>((0V)) <2.5V>((2.5V)) <0V>((0V)) <0V>((0V)) <2.51V>((2.5V)) <2.51V>(2.5V)) <0V>((0V)) <2.38V>((2.4V)) <0V>((0V))
C841 R848 2200P 220 X801 RSXZ36M8M01T C838 5P R849 1M C843 50V4.7 C839 12P
C842 2200P
C844 50V4.7 L805 RLBN102V-Y
C886 6.3V100P C893 6.3V47 C894 6.3V100P
R850
R851 270 C887 50V1
D807 B0ACCK000005
270
TO ASP CIRCUIT (CN106) ON SCHEMATIC DIAGRAM-15
R923 1.2K R924 1.2K
DSPFR DSPFL
CN806
1 2
Q806
C861 0.01
<4.98V> ((5V))
Q807
L806 G0C100JA0030 <4.24V> ((4.24V))
<7.24V> ((7.3V)) <6.74V> ((6.74V)) <4.84V> ((4.84V))
C863 16V10
Q806 R890 4.7K
2SB14170QA
REGULATOR Q807
S.GND2 S.GND2 7.5V -7.5V D.GND D.GND CF_12 MO+9V
3 4 5 6 7 8 9 10
TO MAIN CIRCUIT (CP802) ON SCHEMATIC DIAGRAM-23
CN802
B1ABCF000011
REGULATOR
R891 120K
D806 B0BC8R100004
ASPECT MIC MUTEA MUTE_SB CF_ON SER.G DSP_DCDET 14.7V SW5V
1 2 3 4 5 6 7 8 9 10
C862 0.01
D803 B0ADCC000002
R892 1.2K
D801-D802 RL1N4003N02 R888 R889 1 1 <9.33V> ((9.32V)) <8.97V> ((8.96V)) R943 680
D808 MA8130MTX
Q808
C864 0.01
<4.97V> ((4.97V)) <6.75V> ((6.75V))
<7.3V> ((7.3V)) <4.24V> ((4.24V)) <4.78V> ((4.78V))
D802 D801
TO MAIN CIRCUIT (CP801) ON SCHEMATIC DIAGRAM-23
CN801
Q809
Q805
<-3.21V> ((-3.21V))
Q812
R944 22K
Q811
R945 22K R946 10K
C865 0.01
C860 330P
D804 B0ADCC000002
R896 1.2K
R894 4.7K R895 82K
C866 16V10
R893 4.7K
D805 B0BC5R000009
Q809
Q808
Q805
Q812
Q811
B1ABCF000011
REGULATOR
2SB621ARSTA
REGULATOR
B1GDCFJJ0002
DC DETECT SWITCH
KRA102MTA
SWITCH
KTC3199GRTA
SWITCH C889 0.1 SER.G
MUTE_ZFLAG 6CHFL S.GND 6CHFR 6CHSR 6CHSL 6CHC 6CHSW MIXL MIXR
1 2 3 4 5 6 7 8 9 10 11 12
TO MAIN CIRCUIT (CP804) ON SCHEMATIC DIAGRAM-23
CN804