Block Diagram - Main Section - Sony RM-AX4000 Service Manual

RM-AX4000
4-1. BLOCK DIAGRAM – MAIN SECTION –
IC6
PRE AMP
1 2
4 3
LED5
RECEIVED
5 6
INFRARED RAYS
+5V
10 11
9 8
VSS 7
XR
YU
TOUCH PANEL
XL
YO
KEY
S2, S3, S5-S29, S31
RM-AX4000
Q12
8
LCD CONTROL
+5V
2 9
74 P00/LRIV_I
Q15
LEARN
75 P145/LRN_O
CONTROL
Q7-Q10
4
65 P23/TPSS_O
TOUCH PANEL
68 P20/TPSS_O
CONTROL
41 P41/TP
61 P27/TPXR_I
62 P26/TPYU_I
63 P25/TPXL_I
64 P24/TPYD_I
24
P63/KEYS_O
5
26
P67/KEYS_O
29
P77/KEYD_I
8 30
37 P70/KEYD_I
11 P124/OSC
X2
32.768KHz
12 P123/OSC_I
14 P122/OSC_O
X1
20MHz
15 P121/OSC_I
LCD MODULE
D40
79 78 77 76 73 72 71 70 47 44
P30/INT1/VBUS_I 46
P11/USBTX_O 54
P11/USBRX_I 53
P32/USB_SM_INT_I 40
P06/T1011/T001 38
IC1
SYSTEM CONTROLLER
12 12
SEND
INFRARED RAYS
+6V
+6V
LED2
LED1
LED4
LED3
Q13 Q14
LED DRIVER LED DRIVER
P16/IR_O 48
Q6
VBUS CONTROL
IC2A
USB MODE CONTROLLER
Q4
+5V 22 VCC
USB CONTROL
P56/VBUS_O 57
P57/CS_O 58 1 I_CS
3 I_WR/SK
8 O_DO/SO
P12/S_O 52 7 I_AC/SLE/SI
4 I_INTR
16 RESET
+5V
BZ1
P15/BZ_O 49
IC4
RESET_I 10
RESET
+5V
CN3
XOUT 27
X702
VBUS
24MHz
XIN 26
D+
D+ 19
USB
V3.3 18
D–
D– 20
+6V
IC3
+5V REG
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
4PCS. 6V