Panasonic SAXR55 - A/V RECEIVER, Service Manual

Page: 80 / 175

1 2 3 4 5 6 10 8 7 9
:-B SIGNAL LINE
:+ B SIGNAL LINE
IC6902
C3FBHA00004
EEPROM IC
(NOT SUPPLIED)
/WP
VCC
GND
SO
/CS
/RST
SCK
SI 8
7
6
5
2
1
3
4
-EE_CS
-EE_RST
SCDCLK
SDOUT
BUSY VPP VDD SCLK TXD OE RESET GND RXD EPM
CDT
O
SCDCLK
SDOUT
-DSP_CS
SDIN
ZERO_FLAG
SDIN
IC6902
/DSP_CS
SCDCLK
SDIN
SDOUT
IC6972
C0DBEKG00004
REGULATOR IC
VC VIN GND +3.3V +2.5V
R6979
F1200
R6978
F22K
R6980 F10K
C6978
10V33 C6979
10V33
IC6971
C0DBEKG00004
REGULATOR IC
VC VIN GND +3.3V +2.5V
R6915
F390
R6914
F1800
C6901
10V33 C6902
10V33
R6916 F10K
C6956
0.1
C6922
0.01
C6923
0.01
M2S_DT_3
REQM_3 M_CK_3
S2M_DT_3 REQS_3
REQM_5 M2S_DT_5
S2M_DT_5 REQS_5
M_CK_5
IC6904
C0JBAA000244
LOGIC IC
IC6903
C0JBAA000175
LOGIC IC
P6901
: MAIN SIGNAL LINE
TO
MAIN CIRCUIT (P6801) ON
SCHEMATIC DIAGRAM-7
1 2 3 4 5 1 2 3 4 5
1 2
13 14
3
12
4
11
5
10
6
9
7
8
1 2
13 14
3
12
4
11
5
10
6
9
7
8
MAIN CIRCUIT
SCHEMATIC DIAGRAM -9