Sony CMT-HX3 Service Manual page 94

HCD-HX3/HX5/HX7
Ver. 1.2
2-1. PRINTED WIRING BOARD – USB POWER Board (HX3/HX5) –
1 2 3
A
USB POWER BOARD
1
TO
USB BOARD
2
CN908
(Refer to page 26
on service manual)
B
E1
C
HCD-HX3/HX5/HX7
:Uses unleaded solder.
4 5
1 5
2 4
(HX5)
4 1
MAIN BOARD MAIN BOARD
E2
CN321 CN321
(Page 7)
(Page 6)
(SUFFIX-13, -21) (SUFFIX-14, -22)
2-2. SCHEMATIC DIAGRAM – USB POWER Board (HX3/HX5) –
6
HX3: CND/
HX5: CND/
HX7
12, 21, 22
(12, 21, 22)
12, 13, 14
(EXCEPT HX5: SP)
1-873-248- (12, 13, 14)
HX3: AEP/
HX5: AEP,
UK, AUS, KR
(HX5: SP)
11
1-874-392- (11)
(Page 4)
TO
USB BOARD
CN908
(Refer to page 27
on service manual)
2 2
R307
100k
R317
4.7k
CN322 R315
0
2P(HX3)
4P(HX5)
+11V
GND
DVDD_5V
DGND
L101
47µH
(HX5)
C325
CN324 R314 R409
2200
2P 1k 4.7k
16V
VBUS-5V
VBUS-GND
SWITCHING REGULATOR
IC319
SI-8008TFE
D208
21DQ04
C358 C324
0.1 220
25V