Yamaha HTR-5170, Service Manual

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27
RX-V795a/RDS/HTR-5170
RX-V795a
/
RDS
HTR-5170
■
IC DATA
IC3 : YM3436DK
DIR ( Digital Format Interface Receiver )
Pin Pin
I/O Function
No. Name
1 DAUX I Auxiliary input for audio data
2 HDLT O Asynchronous buffer operation flag
3 DOUT O Audio data output
4 VFL O Parity flag output
5 OPT O Fs x 1 Synchronous output signal for DAC
6 SYNC O Fs x 1 Synchronous output signal for DSP
7 MCC O Fs x 64Bit clock output
8 WC O Fs x 1Word clock output
9 MCB O Fs x 128Bit clock output
10 MCA O Fs x 256Bit clock output
11 SKSY I Clock synchronization control input
12 XI I
Crystal oscillator connection or external
clock input
13 XO O Crystal oscillator connection
14 P256 O VCO oscillator clock connection
15 LOCKN O PLL lock flag
16 V
SS
Logic section power (GND)
17 TC O PLL time constant switching output
18 DIM1 I Data input mode selection
19 DIM0 I Data input mode selection
20 DOM1 I Data output mode selection
21 DOM0 I Data output mode selection
22 KM1 I Clock mode switching input 1
23 RSTN I System reset input
24 V
DD
a VCO section power (+5V)
25 CTLN I VCO control input N
Pin Pin
I/O Function
No. Name
26 PCO O PLL phase comparison output
27 (NC)
28 CTLP I VCO control input P
29 V
SS
a VCO section power (GND)
30 TSTN I Test terminal. Open for normal use
31 KM2 I Clock mode switching input 2
32 KM0 I Clock mode switching input 0
33 FS1 O
Channel status sampling frequency display
output 1
34 FS0 O
Channel status sampling frequency display
output 0
35 CSM I Channel status output method selection
36 EXTW I
External synchronous auxiliary input word
clock
37 DDIN I EIAJ (AES/EBU) data input
38 LR O PLL word clock output
39 V
DD
Logic section power (+5V)
40 ERR O Data error flag output
41 EMP O
Channel status emphasis control code
output
42 CDO O
3-wire type microcomputer interface data
output
43 CCK I
3-wire type microcomputer interface clock
output
44 CLD I
3-wire type microcomputer interface load
input
DAUX
HDLT
DOUT
VFL
OPT
SYNC
MCC
WC
MCB
MCA
SKSY
XI
XO
P256
LOCKN
V
SS
TC
DIM1 DIM0
DOM1 DOM0
KM1
CLD CCK CDO EMP ERR V
DD
LR DDIN EXTW CSM FS0
FS1
KM0
KM2
TSTN
V
SS
a
CTLP
(N.C.)
PCO
CTLN
V
DD
a
RSIN
1
2
3
4
5
6
7
8
9
10
11
12 13 14 15 16 17 18 19 20 21 22
34 35 36 37 38 39 40 41 42 43 44
23
24
25
26
27
28
29
30
31
32
33
EIAJ (AES/EBU)
DIGITAL AUDIO
INTERFACE
DECODER
DATA CLOCK
CONTROLLER
SYSTEM
CLOCK
TIMING
GENERATOR
SEL
SERIAL INTERFACE
BUFFER
32 29 15 14 13 12 31 22 11 23
10
9
8
7
6
5
3
2
42 43 44
16 39 30 19 18 1
4
20
21
37
40
35
41
33
34
P/S
S/P
24 26 28 25 17
PLL
38
MCA
KMO
CLD
CCK
CDO
DAUX
DIM1 DIM0
HDLT
VSS
VDD
TSTN
VSSA VDDA PCO CTLP CTLN TC LR LOCKN P256 X0 X1 KM2 KM1 SKSY RS IN
MCB
WC
MCC
SYNC
OPT
VFL
D OUT
D DIN
ERR
CSM
36
EXTW
EMP
FS1
FS0
DOM1
DOM0