Nikon coolpix7900 - System Control

VAA46003-R.3659.A
- Ｅ19 ･ E7900 -
SYSTEM CONTROL ブロック図
SYSTEM CONTROL BLOCK DIAGRAM
33
34
35
28
4
3
29
9
7
6
10
38
20
42
30
27
39
37
26
2
17
12
24
5 6 7 8
1 2
3
4
16
13
14
43
15
31
23
8
18
X3001
X3002
32KHZ
4MHZ
41
XIN
XOUT
XCOUT
XCIN
BATSEL
SB CHG
BEEP
LCD ON2
PA ON
P ON
VSS
LCDON
SBVDD_CTL2
BAT_T
SBCHG
VM5.1V
SREQ
PON
PA ON
MENU
SET
AVJACK
MD2
TEST
MD3
DEL
LCD ON
SI
21
LI
IC302
BATTERY
BACKUP
BAT OFF
AL3.2V
UNREG
VDD
RESET
ALWAYS3.2V
BACK UP
SO
MD1
S1
SW3.2V
Q3001
TELE
PW_TEST
--
WIDE
MD0
PLAY
DOWN
UP
LEFT
RIGHT
CN302
CN301
CN301
PW_ON
BACKUP_CTL
SCAN OUT0
SB_LED (R)
AF_LED (G)
25
SHUTTER
IC301
8bit MICRO
PROCESSOR
SCAN IN0
SCAN IN1
SCAN IN2
SCAN OUT1
SCAN OUT2
PW_LED
RESET
BAT OFF
BATTERY
SCAN IN3
SCAN IN4
SW3.2 ON
AVREF
SCAN OUT3
VDD
VDD
SCK
36
SB MON
SBMON
40
MODEL: E7900
BLOCK DIAGRAM: SYSTEM CONTROL
1
22
MAIN RESET
CARD
19
TEMP_BAT
47
32
COMREQ/BOT
USB_CONNECT
TO DMA(MAIN)
TO DMA(MAIN)
BEEP
LCDON2
SREQ
SDO
SDI
SCK
MRST
ZCARD
COMREQ
USBCNT
Z3001
Q3002
44
SBVDD_CTL2
PAON2
48
PA ON2
UNREG
5