Panasonic SAXR55 - A/V RECEIVER, Service Manual

Page: 81 / 175

:-B SIGNAL LINE
:+ B SIGNAL LINE
SP_B SP_A MMD +5V
A
AC_RELA
Y
BKUP5.7V
+5V AGND
VOLCNT DCDET TH_1
D+15V
-15V
R6984 47 R6985 47 R6986 47 R6988 47 R6989 47 R6990 47 R6991 47 R6996 47
C6990 22P
C6989 22P
C6988 22P
C6996 22P
C6995 22P
C6994 22P
P605B
DIG2
P906
TH_1
SDOUT(DSP_DIR) SCDCLKDSP_DIR) SCIN(DSP) CDT0(DIR) +5V
A
nMUTE DSP_REQ +3.3VD SW5V +1.2VD DSP_CS DSP-RESET DGND MCLK BCLK LRCLK DGND AU0 AU1 AU2 AU3 DIR_CS DIR_RESET DIR_INT1 DIR_INT0 ZEROFLAG
DUAL
R6995 47 R6994 47
R6993 47 R6992 47
C6995 22P C6996 22P C6992 22P C6993 22P C6994 22P
C6991 22P
-DIR_RST
-DIR_CS
ZERO_FLG
DIR_INT1
DIR_INT0
MCLKA
BCLKA
LRCLKA
AU0A AU1A AU2A AU3A
R6981 47 R6982 47
C6981 22P
C6982 22P
C6971 22P C6972 22P C6973 22P C6974 22P
R6976 47 R6974 47 R6973 47 R6972 47 R6971 47
C6977 22P
-DSP_CS
-DSP_INT
-DSP_RST
SDIN
SCDCLK
SDOUT
LB6701
J0JGC0000017
Q6871
B1CBGD000001
SWITCH
Q6871
PWM_RST
VOLCNT
DCDET
C6976 22P
R6895
100
CDT0
SP_B SP_A
DUAL
: MAIN SIGNAL LINE
TO
DSP CIRCUIT (CN1004) ON
SCHEMATIC DIAGRAM-3 TO
POWER CIRCUIT (P605) ON
SCHEMATIC DIAGRAM-32
C6096
6.3V1000P
16 17 18 19 20 21 25 23 22 24 26 1 2 3 4 5 6 14 12 10 8 7 9 11 13 15 16 17 18 19 1 2 3 4 5 6 14 12 10 8 7 9 11 13 15
MAIN CIRCUIT
SCHEMATIC DIAGRAM -10