Panasonic SA-XR700EG Service Manual page 89

SCHEMATIC DIAGRAM - 13
MAIN (DIG2) CIRCUIT
B1
B2
R6431
3.3
R6432
TO MAIN (DIG2)
3.3
SECTION (3/4)
R6433
47K
C6433
0.1
DIG1 AP_7
DIG1 AM_7
C CH
DIG1 VALID_7
DIG1 BM_7
BP_7
DIG1
B0ACCK000005
DIG1: MAIN (DIG1): SCHEMATIC DIAGRAM 4-9
DIG2: MAIN (DIG2): SCHEMATIC DIAGRAM 10-13
DIG3: MAIN (DIG3): SCHEMATIC DIAGRAM 14-15
40 41 42
: + B SIGNAL LINE : - B SIGNAL LINE : MAIN SIGNAL LINE
IC6401
C1BB00000835
DUAL H-BRIDGE DRIVER IC
1 NC 56
GVSS
2 NC GVDD 55
C6418 C6419 R6418 R6401
1
1 16V22 1
3 DVDD GLS_A 54
4 DVSS 53
SLS_A
5
NC SHS_A 52
6 DTC_HS GHS_A 51 R6403
C6405
3.3
0.022
7 DTC_LS BST_A 50
8 OC_H
DHS_A 49
R6402
1
9 VRFILT GLS_B 48
R6434
68K
10 AP SLS_B 47
11 AM 46
SHS_B
12 /RST_AB GHS_B 45
R6404
C6406
3.3
0.022
13 BM BST_B 44
14 BP 43
DHS_B
R6451
IC6401
1
CP
15 GLS_C 42
16 CM SLS_C 41
17 /RST_CD SHS_C 40
DM
18 GHS_C 39 R6453
C6455
3.3
0.022
19 DP BST_C 38
R6455
3.3 B1DEGF000004
20 /SHUTDOWN DHS_C 37
D6401
R6452
1
21 /ERR0
GLS_D 36
22 /ERR1 SLS_D 35
R6419
0
23 LOW/HIZ SHS_D 34
24 DVSS GHS_D 33
R6454
C6456
3.3
0.022
NC
25 BST_D 32
R6456
3.3 B1DEGF000004
26 NC DHS_D 31
27 OC_L GVDD 30
C6468 C6469 R6468
1 16V22 1
28 TEMP
GVSS 29
C6441
0.1
43 44 45
R6693 C6891
47K 1
QR6805
R6689
B1GDCFJJ0008
4.7K
SWITCH
R6080
47K
R6688
4.7K
QR6806
B1GBCFJJ0007
SWTICH
IC6001
C0DBEKG00004
REGULATOR
VC IN GND OUT ADJ
R6078 R6079
1 2 3 4 5
100K 10K
C6077
C6079
25V33
0.1
R6077
10K
C6404
L6453
1000P
G0C50NZ00001
C6457 C6458
0.1
250V0.01
D6455
5 B0JCMG000016
R6457
L6451
2.7
4
G0C7R0K00003
3
C6477 C6451
2
R6462 R6465 R6467
250V330P 0.33
4.7K 4.7 3.3
1
R6477 C6465 C6467
5.6 680P 0.01
Q6451
AMPLIFIER L6454
G0C50NZ00001
C6459 C6460
250V0.01 0.1
D6456
B0JCMG000016
5
R6459
L6452
4 2.7
G0C7R0K00003
3
C6479 C6452
2 R6464 R6466
250V330P 0.33
4.7K 4.7
1
R6479 C6466
5.6 680P
Q6452
AMPLIFIER
46 47
89
R6696 R6697 C6494
R6692 D6941
470K 10K
1
10K B0ACCK000005
R6199
R6698
R6695 10K
R6694
22K
47
R6491
10K
R6699 R6493
10K 39
R6691
220K
D6813
B0ACCK000005
Q6810
C6481
1000P
QR6451 D6475
R6471 C6473 C6474
B0ACEM000009
330P 330P
220K
R6475
1
10K
3
2
R6472
C6472
1000P 220K
D6476
B0ACEM000009
QR6452 QR6453
1
B1GBCFNJ0004
3
QR6451, QR6452
SWITCH
2
B1GBCFQQ0002
C6475
1000P
SWITCH
C6482
1000P
4 SA-XR700EG MAIN (DIG 2) CIRCUIT
/
4
48 49 50
SA-XR700EG
H
SENSE_PVDD
10
1 SENSE_GND
9
PVDD
8 TO
GND
7 POWER
G
PVDD
CIRCUIT
6
GND
(JW606) IN
5
SCHEMATIC
PVDD
4
DIAGRAM-22
GND
3
PVDD
2
GND
1
P606
F
E
C+
6
TO
C-
5 SPEAKER
SBR+
CIRCUIT
4
SBR-
(JW603) IN
3 D
SBL+
SCHEMATIC
2
DIAGRAM-19
SBL-
1
P603
C
B
A
51 52