Sony XAV-701BT Service Manual page 91

• IC Block Diagrams
– MAIN Board –
IC101 BD00GA5WEFJ-E2
IC103 BD00GA3WEFJ-E2
IC105 BD00GC0WEFJ-SE2
8 7 6 5
OCP
SOFT
TSD
1 2 3 4
IC401, 431 OZ539IGN-A1-0-TR
BST 1
S
HDR Q
R
LX 2
OVER CURRENT
PROTECTION
+
VIN 3
EN_SYS 4
USBOUT 5
FB_USB 6 VS
SEL
USBIN 7
2V
+
VOUT_SYS (USBIN)
UVLS
FAULT PROTECTION –
SYNC 8
XAV-701BT/741
2-7.
IC702 NJM2534M (TE2)
A
8 7 6 5
BUFFER
B
BIAS
1 2 3 4
16 VREF C
15 RT
OSCILLATOR
REFERENCE
GENERATOR
14 GNDA
D
13 SS_SYS
ADJUSTMENT
GENERATOR
CHARGE
12 EN_USB
PUMP
11 VIC_USB
E
OVER-CURRENT
10 ISET_USB
LIMIT
USB FAULT
9 FLT_USB
PROTECITON
PRINTED WIRING BOARD - EXT-NAVI Board (E (PAL), South African, Russian models) -
1 2
EXT-NAVI BOARD
(COMPONENT SIDE)
JL603
CL601
R649
R625
R600
R602
JL607
C602
JL605
C605
JL610
R612
R619
R621
R644
4 1
R642
R643
R620
IC601
R641
C604
R640
5 8
C610
C609
R622
R623
Q603
Q601
E E
Q604
Q602
E E
R627
R647
14
C603
(14)
1-886-028-
9 9
• : Uses unleaded solder.
3 4
EXT-NAVI BOARD
(CONDUCTOR SIDE)
(FRONT VIEW)
1 2
3 4 5
6 7
8 9
10 11 12 13
CN601
EXT
(CHASSIS)
JL601
2 1
JL602
9 5 4 3 6
13 8 12 7 11 10
JL606
JL604
JL609
JL611
JL613
XAV-701BT/741
Ver. 1.2
5
R603
R611
R610
JL608
CN603
1
C606
R629
E
MAIN
BOARD
CN940
(Page 4)
JL612
D
MAIN
BOARD
12
CN701
(Page 3)
14
(14)
1-886-028-