Denon DN-V1700, Service Manual

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27
DN-V1700
HG75C013ABT(CSP) (IC103)
BU2280FV-E2 (IC105)
AT49F040-12JC (IC110)
5
6
7
8
9
10
11
12
13
29
28
27
26
25
24
23
22
21
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
4 3 2 1
32 31 30
14 15 16 17 18 19 20
I/O1 I/O2
GND
I/O3 I/O4 I/O5 I/O6
A12 A15 A16
A18
VCC WE A17
TOP VIEW
1
2
3
4
5
6
7
8
9
10
11
12
VDD1
VSS2
CLK27M1
CLK27M2
AVDD
AVDD
AVSS
XTALIN
XTALOUT
VSS2
VDD2
CLK33M
24
23
22
21
20
19
18
17
16
15
14
13
CLK27M3
CTRLFS
CLK768FS
OE
CLK384FS
DVDD
DVSS
DVSS
CLK512FS1
CLK512FS2
VDD2
VSS2
TOP VIEW
Function Pin No. Pin Name
BU2280FV-E2 Pin Description
1 VDD1 27MHz power
2 VSS1 27MHz GND
3 CLK27M1 27MHz output 1
4 CLK27M2 27MHz output 2
5 AVDD Analog power
6 AVDD Analog power
7 AVSS Analog GND
8 XTALIN Crystal input pin
9 XTALOUT Crystal output pin
10 VSS2 33MHz GND
11 VDD2 33MHz power
12 CLK33M 33.8688MHz output
13 VSS2 33MHz GND
14 VDD2 33MHz power
15 CLK512FS2 512fs output 2 (22.5792 or 24.576MHz)
16 CLK512FS1 512fs output 1 (22.5792 or 24.576MHz)
17 DVSS Digital GND
18 DVSS Digital GND
18 DVDD Digital power
20 CLK384FS 384fs output (16.9344 or 18.432MHz)
21 OE Output enable (L: disable, OPEN: enable), with pull-up
22 CLK768FS 768fs output (33.8688 or 36.864MHz)
23 CTRLFS FS select (L: 44.1kHz, OPEN: 48kHz), with pull-up
24 CLK27M3 27MHz output 3
Note: When this IC is defective,
replace P.W.B. Unit Ass'y.