Yamaha DSP-A595 Service Manual page 23

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IC800 : LC87F65C8A (LC876564A-5K19)
µ
8 bit -COM
Pin Pin
Port
No. Name
51 VP VP
52 S20/PC4 P5
53 S21/PC5 P6
54 S22/PC6 P7
55 S23/PC7 P8
56 S24/PD0 P9
57 S25/PD1 P10
58 S26/PD2 P11
59 S27/PD3 P12
60 S28/PD4 P13
61 S29/PD5 P14
62 S30/PD6 P15
63 S31/PD7 P16
64 S32/PE0 P17
65 S33/PE1 P18
66 S34/PE2 P19
67 S35/PE3 P20
68 S36/PE4 P21
69 S37/PE5 P22
70 S38/PE6 RDS SELECT I Mode check RDS
TE
L 13942296513
71 S39/PE7
72 VDD4 VDD4
73 S40/PF0
74 S41/PF1 EFFECT-RY O Effect relay
75 S42/PF2 SP-RY
∗2 Model check
• Model check to the order of DSP, RDS, V595.
Model
Check
RDS SELECT
DSP-A.SEL
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I/O Function
O FL Segment 5
O FL Segment 6
O FL Segment 7
O FL Segment 8
O FL Segment 9
O FL Segment 10
O FL Segment 11
O FL Segment 12
O FL Segment 13
O FL Segment 14
O FL Segment 15
O FL Segment 16
O FL Segment 17
O FL Segment 18
O FL Segment 19
O FL Segment 20
O FL Segment 21
O FL Segment 22
Unconnected
Power supply
Unconnected
O Speaker relay
Hi = 1, Low = 0
DSP RDS V595
0 1 0
1 0 0
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8
Pin
Port
No.
76 S43/PF3 POWER-RY O Power relay
77 S44/PF4
78 S45/PF5
79 S46/PF6
80 S47/PF7 STANDBY-SW I Standby / on (H : ON)
81 S48/PG0 ROTARY-A I Rotary encoder A
82 S49/PG1 ROTARY-B I Rotary encoder B
83 S50/PG2 DSP-A.SEL I Mode check DSP-A
84 S51/PG3
85 P00
86 P01
87 P02
88 P03
89 VSS2
90 VDD2
91 P04
92 P05
93 P06
94 P07
∗2
Q Q
95 P10/SO0 V1/RDS-DATA O RDS data V1 market
3 6 7 1 3
96 P11/SI0 V2/RDS-DATA O RDS data V2 market
97 P12/SCK0 RDS-CLK O Clock for RDS
98 P13/SO2
99 P14/SI1 TUN-SIN
100 P15/SCK1
∗3 Video selector 1 and 2
Video Selector 1(VSEL0) 2(VSEL1)
V-AUX
VCR
DVD/LD
TV/DBS
∗4 Markets
Market
V1
V2
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2 9 9 4 2 8
Pin
I/O Function
Name
–10dB O –10 dB select (L : –10dB)
/VCR O VCR select inhibit (H : inhibit)
Unconnected
VOL.DN O Volume down
VOL.UP O Volume up
V-SEL1 O Video selector 1
V-SEL2 O Video selector 2
VSS2 Ground
VDD2 Power supply
CE-INPUT O Chip enable for INPUT
CE-VR O Chip enable for VOLUME
CE-TUNER O Chip enable for TUNER
/CERDS O Chip enable for RDS
1 5 0 5 8 2 9 9 4
SDT O Serial data
I Serial data from Tuner
SCK O Serial clock
Hi = 1, Low = 0
0 0
1 0
0 1
1 1
Hi = 1, Low = 0
J U, C A, G, L
0 0 1
0 1 0
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co
DSP-A595
9 9
∗2
∗3
∗3
∗4
2 8 9 9
∗4
R
1
1
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