Panasonic SA-XR700EG Service Manual page 81

SCHEMATIC DIAGRAM - 5
MAIN (DIG1) CIRCUIT
B1
B2
B3
C6803 D6861, D6862, D6851, D6852
0.1
TO MAIN (DIG1)
SECTION (1/6)
DIG1: MAIN (DIG1): SCHEMATIC DIAGRAM 4-9
DIG2: MAIN (DIG2): SCHEMATIC DIAGRAM 10-13
DIG3: MAIN (DIG3): SCHEMATIC DIAGRAM 14-15
B4
2
1 BUSY VPP
3 VDD SCLK 4
5 TXD OE 6
7 RESET GND 8
9 RXD EPM 10
P6801
FOR SOFTWARE DOWNLOADING
B5
B6
B22 B23
: + B SIGNAL LINE : - B SIGNAL LINE : MAIN SIGNAL LINE
QR6861, QR6862, QR6851, QR6852
B1GDCFJJ0008
SWITCH
B0ACCK000005
QR6861
D6861
R6857
QR6862
2200
D6862
QR6851
D6851
R6832
QR6852
2200
D6852
Q6871
B1CBGD000001
D
SWITCH
G
S
D6601
B0ACCK000005
TO MAIN (DIG1)
SECTION (4/6)
B24 B25
+3R3V
14 13 12 11 10 9 8
QR6803
IC6720
C0JBAA000244
STANDARD GATE IC
1 2 3 4 5 6 7
D6811
B0ACCK000005
SW5V
R6722
C6674
0.1
10K
B26 B27 B28
81
PVDD DIG2
D-15V DIG2
D+15V DIG2
WL1_L
WL1_L DIG2
WL1_R
WL1_R DIG2
SW_OUT
SW_OUT DIG2
GND DIG2
DIG2
GNDE
SPK+B DIG2
SP_A
SP_A
DIG2
SP_B
SP_B DIG2
BIAMP
BIAMP DIG2
DUAL
DUAL DIG2
TRIPLE
DIG2
TRIPLE
DIG2
SW_MUTE
AF_MUTE DIG2
SW_VP
SW_VP DIG2
QR6803 QR6804 SW_VM
SW_VM DIG2
B1GBCFJJ0007 B1GDCFJJ0008
SWITCH SWITCH
DIG2
-SDET
+3R3VPWM DIG2
C6673
0.1
R6682
-ERR0 DIG2
100
R6681
-SD DIG2
100
4 3
2
5 1
IC6603
C0JBAB000710
CHIP GATE IC
HP_L
HP_L DIG3
HP_R
HP_R DIG3
SPK_LVL DIG2
TH_1 DIG2
B29
2 /
6
SA-XR700EG MAIN (DIG1) CIRCUIT
SA-XR700EG
X
W
V
U
T
S
R
Q