Yamaha HTR-5250, Service Manual

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27
RX-V596/HTR-5250/RX-V596RDS
IC501 : M30217MA-A203FP
16-bit Microcomputer
*1 Model type distinction (H=1, L=0)
DSP-A (Pin 3) 0 0 1 RX-V596 1 RX-V596RDS
RDS (Pin 6) 0 1 0 HTR-5250 1
*2 Destination distinction of Tuner (H=1, L=0)
V1 (Pin 4) 0 J 0 U,C 1 A,B,G,L 1 R,T
V2 (Pin 5) 0 model 1 models 0 models 1 models
DSP-A5 DSP-E
Pin Pin
Port I/O Function
No. Name
1 P97 SCK O Serial Clock output
2 P96 SDT O Serial Data output
3 P95 RCK O Clock output for model type
/CK2 distinction (*1)
4 P94 RDT O Data output for destination distinction
/SO2 of Tuner (*2)
5 P93 DEST O Data input for destination distinction
/SI2 /RD0 of Tuner (*2)
6 P92 RCE O Chip enable output for model type
distinction (*1)
7 P91 SCKD O Serial Clock output for DIR5
8 P90 SID O Serial data output for DIR5
9 CNVSS CNVSS For flash
µ
-COM write connector
10 P87 CKB O Clock output for output port
expansion IC
11 P86 DTB O Data output for output port
expansion IC
12 /RESET /RES System reset
13 XOUT XOUT Crystal oscillator connected (10MHz)
14 VSS MG Ground
15 XIN MU Crystal oscillator connected (10MHz)
16 VCC +5BU +5V Power supply
17 P85/INT5 INTD I Interrupt factor detect input from DIR5
18 P84/INT4 ERRA I Data mute detect input from AC3D2av
19 P83/INT3 REM I Remote control input
20 P82/INT2 PDT I Power down detect input
21 P81/INT1 PSW I Standby switch input
22 P80/INT0 DBL I Double speed sampling mode
selection data input DIR5
23 P77 CEAC2 O Chip enable output 2 for AC3D2av
24 P76/CK1 CLKAC O Serial clock output for AC3D2av
25 P75/RX1 RXAC I Serial data input from AV3D2av
26 P74/TX1 TXAC O Serial data output for AC3D2av
27 P73 CEAC1 O Chip enable output 1 for AC3D2av
28 P72 TCE O Chip enable output for Tuner
29 P71 CELC O Chip enable output for Input Selector
30 P70 CETC O Chip enable output for Input Selector
Pin Pin
Port I/O Function
No. Name
31 P47/FL55 F-CE O Chip enable output
32 P46/FL54 F-CK O Serial clock output
33 P45/FL53 F-RX I Serial data input
34 P44/FL52 F-TX O Serial data output
35 P43/FL51 VUP O Volume up output
36 P42/FL50 VDN O Volume down output
37 P41/FL49 SOD I Serial data input from DIR5
38 P40/FL48 CECOD O Chip enable output for CODEC
39 P37/FL47 /CSD O Chip select output for DIR5
40 P36/FL46 PRI I I (Over current) protection
detect input
41 P35/FL45 POT-A I Rotary encoder input A
42 P34/FL44 POT-B I Rotary encoder input B
43 P33/FL43 /ST I Stereo input from Tuner
44 P32/FL42 DO I Serial data input from Tuner
45 P31/FL41 /ICD O Initial clear output for DIR5
46 P30/FL40 PRY O Power relay output
47 P27/FL39 SRY O Speaker relay output
48 P26/FL38 ERY O Effect relay output
49 P25/FL37 G1 O Grid 1 for FL display
50 P24/FL36 G2 O Grid 2 for FL display
51 P23/FL35 G3 O Grid 3 for FL display
52 P22/FL34 G4 O Grid 4 for FL display
53 P21/FL33 G5 O Grid 5 for FL display
54 P20/FL32 G6 O Grid 6 for FL display
55 P17/FL31 G7 O Grid 7 for FL display
56 P16/FL30 G8 O Grid 8 for FL display
57 P15/FL29 G9 O Grid 9 for FL display
58 P14/FL28 G10 O Grid 10 for FL display
59 P13/FL27 G11 O Grid 11 for FL display
60 P12/FL26 G12 O Grid 12 for FL display
61 P11/FL25 G13 O Grid 13 for FL display
62 P10/FL24 G14 O Grid 14 for FL display
63 VCC +5VBU +5V power supply
64 P07/FL23 G15 O Grid 15 for FL display
65 VSS MG Ground
66 P06/FL22 G16 O Grid 16 for FL display
For
flash
µ
-COM
write
connector
For Input
selector Tuner,
etc.