Pioneer Elite Kuro PRO-110FD Service Manual - Page 18
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1
2.3 HNM BLOCK DIAGRAM
QQ
3 7 63 1515 0
A
AWV2497- (HNM Ass'y) Block Diagram
Classification of each component
IC xxxx
IC, memory, regulator and so on
CN (JA) xxxx
Connector to outside of the ass'y
B
xx MHz
X'tal or oscillator
X'tal
USB block
C
TE
L 13942296513
Connector to Main Ass'y
CN7851
D
I/O block
+5V for Power supply
CN7901
E
Power supply block
www
F
18
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Differential signal
Host controll signal
Power supply
to USB Receptacle Connector
CN7801
IC7803
L7801
+5V
R5523N001B
ATH1160-
[USB High-side
[C. mode filter]
Switch]
USB Differencial
signal
24MHz
X'tal
IC7801
VT6212L-G
[USB Controller]
Reset
IC7857
TC74LCX125
[3-state Buffer]
Tx / Rx
IC7852
Reset
TC74LCX04
[Inverter
(as Buffer)]
+5.0V
+3.3V
IC7903
LTC3412EFE
NJM2846DL3-25
[SW Reg. IC]
[Regulator IC]
x
ao
y
.
i
PRO-110FD
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8
Bus signal
Other digital signal
PCI clock
RJ-45 Ethernet Connector
block
JA7752
AKP1307-
X7851
ASS1216-
[33MHz OSC]
Rx
PCI clock
IC7855
TC74LCX04
[Inverter
(as Buffer)]
IC7754
RTL8100CL-LF
[Ethernet Controller]
Reset
Q Q
3
6 7
1 3
PCI bus
8620 block
IC7601
EM8620L-LFC
[Digital Media Processor]
27MHz
X'tal
Reset
+2.5V
+1.2V
IC7902
IC7904
LTC3412EFE
[SW Reg. IC]
u163
.
3
4
2 9
9 4
2 8
Ethernet block
Tx
IC7751
IC7753
TC74LCX125
BR93L46RFJ-W
[3-state Buffer]
[EEPROM (1kbit)]
25MHz
X'tal
1 5
0 5
8
2 9
IC7702
IC7701
HY5DU561622ETPJ
HY5DU561622ETPJ
[DDR-SDRAM (256Mbit)]
[DDR-SDRAM (256Mbit)]
Memory bus
Peripheral bus
IC7703
AGC1063-A-PI
(S29GL128N90TFIR2)
[Flash Memory (128Mbit)]
DDR block
Reset
m
co
4
9 9
9 4
2 8
9 9