Panasonic SAXR55 - A/V RECEIVER, Service Manual

Page: 78 / 175

1 2 3 4 5 6 10 8 7 9
:-B SIGNAL LINE
:+ B SIGNAL LINE
R6889 47K
R6890 22K
C6844
0.001
R6848 100 R6847 100 R6846 100 R6845 100 R6844 100 R6843 100 R6840 100 R6839 100 R6838 100 R6837 100 R6836 100
R6835 100
R6834 100 R6833 100
R6832 100
R6831 100
R6830 100
R6829 100
R6828 100
R6827 100
R6826 100
R6825 100
R6823 330
X6801
H2D100500004
R6821 100
R6818
10K
C6818
0.1
R6817
100
R6816 100 R6815 100 R6814 100 R6813 100 R6812 100
R681
1 100
R6810 100 R6809 100 R6808 100 R6807 100 R6803 100 R6802 100
R6849 100
R6850 100
R6851 100
R6852 100
R6853 100
R6854 100
R6855 100
R6856 100
R6860 100
C6864
560P
C6863
560P
C6811 0.01
R6873
22K
R6874
4.7K
-SDET
THDET
REQS_5 REQM_5 M_CK_5 M2S_DT_5
S2SM_DT_5
DCDET
VIDEO_A
VIDEO_B
VIDEO_C
OSD_STB
OSD_DATA
OSD_CLK
SP_B
AC_RELA
Y
SP_A
R6888 10K R6887 10K
RDS_CLK
RDS_DA
T
A
TUN_SD
TUN_ST
TUN_CE
SEL_CLK
SEL_DA
T
A
SEL_STB
F_OE
FL/LED_CK
FL/LED_DT
FL_ST
DUAL_DRV
A/D_ATT
SHORT_DET
VCC
VREF
AVSS
THRM_DET
SEL_ENC_A
SEL_ENC_B
KEY2
KEY1
NC DC_DET NC NC NC REQS M_CK M2S_DT S2M_DT F_BUSY F_CK V_A F_DA V_B REQM
TAPE_REC
NC
NC
NC
VCR_REC
SUBW_MT
BI-AMP
AF_MT
VSS
XOUT
XIN
V_C
HOLD
RESET
CNVSS/VPP
REMOTE
SEL_ST
SEL/TN/DA_DT SEL/TN/DA_CK
TUN_CE
TUN_DI/ST
TUN_SD INIT_IN2
NC
SP_A
BEA
T_PRF
M_RESET
POWER_RLY
SP_B
INIT_IN1
IC6801
C2BBGF000669
MAIN MICRO-P
NC
VCC
CS
SK
NC
GND
DO
DI
IC6802
P6801
VCR_REC
IC6802
C3EBCG000031
EEPROM IC
(NOT SUPPLIED)
QR6801
B1GBCFJN0009
RESET SWITCH
MMD
FLD_RESET
RDS_DI
RDS_CK
NC
R6861 100
R6862 100
R6863 100
R6864 100
BEA
T_PRF
R6804 100 R6805 100 R6806 100
STB_SEL2 STB_SEL1
R6870
100K
C6870 0.01
C6871
1
R6820
4700
C6820 1
R6871
120
R6872
270
C6872
0.01
D6872
QR6801
D6804
R6875
47K
Q6802
B1ADCF000063
SWITCH
Q6802
D6804
B0ACCK000005
D6872
MAZ80390LL
BUSY VPP VDD SCLK TXD OE RESET GND
DUAL
C6805
1
D6808
D6806,D6068
B0ACCK000005
D6806
GND
IN OUT
: MAIN SIGNAL LINE
TO
MAIN CIRCUIT (P6901) ON
SCHEMATIC DIAGRAM-9
R6841 33K
1 2 3
4
5
6
7
8 9
17
18
19
20
21
22
23
24
25
40 41 42 43 44 45 46 47 48
56
57
58
59
60
61
62
63
64
10
39
26 55
11
38
27 54
12
37
13
36
28 53
29
52
14
35
15
34
16
33
30 51
31 50
32 49
8
7 2
1
6 3
5 4
MAIN CIRCUIT
SCHEMATIC DIAGRAM -7