Sony DSLR-A500 Service Manual page 6

4-4. OVERALL BLOCK DIAGRAM (4/4)
CONTROL SWITCH BLOCK AM-019 BOARD (4/4)
(RS85700)
CN3101
S9501 - S9508
XKEY_FUNC
7
XKEY_CROSS_U
9
XKEY_CROSS_R
10
XKEY_CROSS_C
11
XKEY_CROSS_D
Fn, v, B, z, V,
13
DELETE, N, b
XKEY_DEL
14
XKEY_PLAY
15
XKEY_CROSS_L
12
XKEY_MAT_SEL_0
8
S9509 - S9513
XKEY_MENU
6
XKEY_ZOOM
4
XKEY_AEL
MENU,
1
SMART TELECONVERTER,
XKEY_DISP
5
AEL, DISP, +/-
XKEY_OVR
3
XKEY_MAT_SEL_1
2
CONTROL SWITCH BLOCK
(TK85700): A500/A550 (CH)
(TK85800): A550 (EXCEPT CH)
CN3004
S9108, S9111
XSISO
22
XSDRIVE
ISO,
20
SELF-TIMER/DRIVE
XKEY_MAT_SEL_1
21
XMODEDIAL_0_SW -
S9106
XMODEDIAL_3_SW
MODE
DIAL XKEY_MAT_SEL_4
8
XPOWER_SW
17
S9102 - S9105, S9107, S9109, S9110 XDIAL_1_A, XDIAL_1_B
POWER, CONTROL DIAL,
XSPOP
FLASH POP-UP,
13
FLASH UP DETECT,
XINT_FLASH_UP_SENSE
14
LIVE VIEW/OVF, MF CHECK LV,
SOVF
D-RANGE
19
XSMLV
18
XD-RANGE
23
S9101
XS_1, XS_2
SHUTTER
CN9101
EXT_FLASH_F3 EXT_FLASH_F3
8 27
CN901
EXT_FLASH_F2 EXT_FLASH_F2
7 28
ACCESSORY
Q9101
SHOE EXT_FLASH_TRG EXT_FLASH_TRIG
BUFFER 26
PRELMG_B
PL901
(PLUNGER)
J901
RM-098 FLEXIBLE BOARD
REMOTE
CN3706
S1 S1_REMOTE
2
S2 S2_REMOTE
3
CN1401
MM-084 BOARD (2/2)
CN4501
(2/2)
(2/2)
BKUPVDDOUT
32 32
BT901
BZ4501 BUZZER
36 36
LITHIUM
(BUZZER)
BATTERY
EYE-010 FLEXIBLE BOARD
CN3601
D3601
PD
2
APPROACH
SENSOR
LEDA
6
EYEPIECE
SENSORS
05
DSLR-A500/A550_L3
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
XKEY_MAT_IN_0 -
XKEY_MAT_IN_7 XKEY_MAT_INTKEY
XKEY_MAT_SEL_0
XKEY_MAT_SEL_1
XKEY_MAT_SEL_4
IC3101
(2/2)
I/O
CONTROLLER
(13/21)
Q3102
F2IN, F2OUT
BUFFER
EXT_FLASH_TRIG
Q3004
PLUNGER_RELEASE_MG
PLUNGER
POPUP
Q3601
EYE_SENSE_OUT
EYEPIECE
IC3601
SENSOR OUT
EYEPIECE
EYE_SENSE_LED
SENSOR
DRIVE
EYE_SENSE_CTRL
(15/21)
IC3001
(4/4)
MAIN CPU
(9/21)
XS_2
5
CAM_SI_2, CAM_SCK_2
OVERALL (3/4)
(PAGE 4-3)
CAM_SI_1,
CAM_SO_1,
CAM_SCK_1
4
OVERALL (2/4)
XAS_RESET
(PAGE 4-2)
BUZZER_CA
4-4
STG-001 ST-218 BOARD
FLEXIBLE
BOARD
UNREG_OUT_FL
CN3701
CN6501
INT_FLASH_CHARGE
15 4
INT_FLASH_TRIG
CHARGE CONTROL,
16 3
FLASH CONTROL
INT_FLASH_FULL
18 1
XS_2
2
CAM_SI_2, CAM_SCK_2
XWAKE_VG
3
(to VERTICAL GRIP)
BATT_1_ON, BATT_1_SEL,
BATT_2_ON, BATT_2_SEL
IC3502
BATT_IB_2
BATTERY
24
DETECTOR
B2
(16/21)
J902
CN0501
+
1
IC3501
BATT_SIG
BATTERY
2 S
DETECTOR
B2
(16/21) -
3
BATTERY
IC0002
TERMINAL
DC/DC
CONVERTER
(18/21)
DC IN
BATT_UNREG
ACV_UNREG 6
BATT_XEXT
5
4
FLASH UNIT
(FL85700)
CN6502
XE_A
1
+
C901
XENON
CHARGING LAMP
CAPACITOR
Q6501
IC6501
IGBT_C
FLASH
2
DRIVE