Ic Block Diagrams - Sony ICD-P17 Service Manual

ICD-P17

5-8. IC BLOCK DIAGRAMS

IC110 LM4903MMX/NOPB
(MAIN Board)
VDD/2
1 AV=-1 8
XSHUTDOWN VO2
BIAS
BYPASS 2 7 GND
3 6
+IN VDD
-IN 4 5 VO1
IC8101 M66291GP-2 (MAIN Board)
46
48 47
CVDD 1
GND 2
I/O BLOCK
USB-IP
D- 3
14
OSCILLATION
BUFFER
13
D+ 4
/48MHzPLL
VBUS 5
5
VBUS
TRON 6
INPUT CIRCUIT
6
D+ PIN PULLUP
CIRCUIT
TEST 7
4
DACK1 8
USB
TRANSCEIVER
3
DREQ1 9
TC1
10
INT1 11
IVDD 12
13 14 15 16
42 40 38 37
45 44 43 41 39
INTERRUPT CONTROLLER
BUS
INTERFACE
TRANSFER UNIT
ENDPOINT
CONTROLLER (BIU)
CONTROLLER
SERIAL
INTERFACE
FIFO MEMORY CONTROLLER
ENGINE
(SIE)
FIFO MEMORY
17 18 19 20 21 22 23 24
IC502 XC9105D091MR (MAIN Board)
CE
3
VREF WITH
SOFT START,
CHIP ENABLE
PWM/PFM
CONTROLLER
RAMP WAVE
GENERATOR,
36
GND
IC703 RX-4591CF (MAIN Board)
35 IVDD
34 D11
33 D10
32.768kHz
VDD 1
32 D9
31 D8
FOE 2
D7
30
29 D6
3
XIRQ
28 D5
27 D4
T1 4
26
D3
FOUT 5
D2
25
20 20
VDD VOUT
2 1
VDD
CURRENT
RIPPLE DETECTION
AND FB
ERROR
AMP
PHASE
COMPENSATION
OSC
PWM
COMPARATOR
BUFFER, VDD
DRIVER
4 5
GND EXT
CLOCK
AND
OSC DIVIDER
CALENDAR
FOUT TIMER
CONTROLLER REGISTER
INTERRUPTS ARARM
CONTROLLER REGISTER
DI
CONTROL
DO
BUS REGISTER
CLK INTERFACE AND
CIRCUIT SYSTEM
CE
CONTROLLER
CE
10 CE
CLK
9 CLK
DO
8
DO
DI
7 DI
6 GND