Yamaha RX-V3300, Service Manual

Page: 53 / 128

RX-V3300/DSP-AZ2
53
+1.2k
~0.75
PRESET/
TUNING
PROCESSOR
DIRECT
+1.8k
~1.75
FM/AM
INPUT
MODE
+2.7k
~2.25
MEMORY
SPEAKER
A
+3.3k
~2.75
TUNING
MODE
SPEAKER
B
+1.2k
~1.25
PRESET/
TUNING
BASS
EXTENSION
Ω
V
KEY 0
(137 pin)
KEY 1
(136 pin)
0
0~0.25
PRESET/
TUNING
+8.2k
~3.75
PROGAM
+4.7k
~3.25
STEREO
EFFECT
+18k
~4.25
PROGAM
+47k
~4.75
A/B/C/D/E
No. Port No. Function name I/O Detail of function Power ON Power OFF Backup
94 A7 KEEP
95 A6 KEEP
96 A5 KEEP
97 A4 KEEP
98 A3 KEEP
99 A2 KEEP
100 A1 KEEP
101 A0 KEEP
102 D15 KEEP
103 D14 KEEP
104 D13 KEEP
105 D12 KEEP
106 D11 KEEP
107 D10 KEEP
108 D9 KEEP
109 D8 KEEP
110 D7 KEEP
111 D6 KEEP
112 D5 KEEP
113 D4 KEEP
114 P114 PRI I Current protection I I I
115 P113 PRY O Power relay O OL OL
116 P112 SPE O Speaker relay effect O OL OL
117 P111 SPB O Speaker relay main B O OL OL
118 P110 SPA O Speaker relay main A O OL OL
119 D3 KEEP
120 D2 KEEP
121 D1 KEEP
122 D0 KEEP
123 P157 VRB I Volume, rotary B I I OL
124 P156 VRA I Volume, rotary A I I OL
125 P155 ISB I Input selector B I I OL
126 P154 ISA I Input selector A I I OL
127 P153 SCKA SCK Clock output for audio IC O OL OL
128 P152 SDTA SO Data output for audio IC O OL OL
129 P151 CEL O Enable output for SANYO audio IC O OL OL
130 Vss Vss Vss Ground for microprocessor
131 P150 /ICC O IC CS49329 O O OL
132 Vcc Vcc Vcc Power for micropro5V
133 P107 /HP I Head phone detect I I I
134 AN6 REC AD REC OUT selector I I I
135 AN5 PREMT AD Power limiter detect I I I
136 AN4 ADKEY1 AD KEY tact switch 1 I I I
137 AN3 ADKEY0 AD KEY tact switch 0 I I I
138 AN2 THM AD Temperature detect I I I
139 AN1 PRD AD Power amplifier DC protection I I I
140 Avss Avss Vss AD ground Vss Vss Vss
141 AN0 PRV AD Power supply protection I I I
142 Vref Vref Vcc AD reference Vcc Vcc Vcc
143 Avcc Avcc Vcc AD power supply Vcc Vcc Vcc
144 RxD4 RXDR SI 232C reception data / Yokokawa data reception I I OL
IC520 : M30805SGP (FUNCTION P.C.B)
16bit
µ
-COM (Main CPU)
No. Port No. Function name I/O Detail of function Power ON Power OFF Backup
26 INT1 PSW INT (HI edge) Power switch I I OL
27 INT0 PDET INT (LO edge) Power detect I I I
28 TA4in VSY LO edge Vertical oscillation detect I I OL
29 P80 /ICD O IC DSP IC O OL OL
30 TA3in RXDR both edge 232C reception data I I OL
31 P76 DMT O Digital full mute O OL OL
32 TA2in INT938 LO edge YSS938 input I I OL
33 DMTR O Digital full mute rear L/R O OL OL
34 P73 CEP I/O PLL IC enable / Tuner step 1 I/O I/OL OL
35 P72 SCKP I/O PLL IC clock / Tuner step 0 I/O I/OL OL
36 SCL SCL I/O IIC bus clock SCL SCL OL
37 SDA SDA I/O IIC bus data SDA SDA OL
38 TXD1 SDM SO DSP IC transmission data SO OL OL
39 Vcc Vcc Vcc Power for micropro5V
40 RXD1 SDD SI DSP IC reception data SI I OL
41 Vss Vss Vss Ground for microprocessor
42 P65 SCK SCK DSP IC clock SCK OL OL
43 P54 /CSY O YSS938 CE O OL OL
44 TXD0 DTEV O EVOL serial transmission data SO OL OL
45 P62 CEEV O EVOL enable O OL OL
46 CLK0 CKEV SCK EVOL serial clock SCK OL OL
47 P60 /CSCS O CS493x CS O OL OL
48 P137 /CSPLD O Digital external control IC CE O OL OL
49 P136 CSINT I/O CS-DSP INT / ABOOT I/O OL OL
50 P135 /MLV O Main level O OL OL
51 P134 /MATT O Main -3dB O OL OL
52 HI
53 OPEN HI
54 Vcc HI
55 OPEN HI
56 P133 /BEC O Bus extension control O OL OL
57 Vss Vss Vss Ground for microprocessor
58 P132 /ICEV O EVOL DC bias initialize O OL OL
59 Vcc Vcc Vcc Power for micropro5V
60 P131 LIMB O Power limiter B O OL OL
61 P130 LIMA O Power limiter A O OL OL
62 OPEN HI
63 RD OE HI
64 WRH HI
65 WRL WE HI
66 P127 LCIN O LED output cinema DSP O OL OL
67 P126 LDTS O LED output DTS O OL OL
68 P125 LDBY O LED output DOLBY O OL OL
69 CS0 KEEP
70 OPEN KEEP
71 OPEN KEEP
72 OPEN KEEP
73 A19 OPEN KEEP
74 Vcc Vcc Vcc Power for micropro5V
75 A16 OPEN KEEP
76 Vss Vss Vss Ground for microprocessor
77 A17 KEEP
78 A16 KEEP
79 A15 KEEP
80 A14 KEEP
81 A13 KEEP
82 A12 KEEP
83 A11 KEEP
84 A10 KEEP
85 A9 KEEP
86 P124 /Z2MT O Zone 2 mute O OL OL
87 P123 /HPMT O Head phone mute O OL OL
88 P122 /FMTS O Full mute SWL/SWR/SW MONO O OL OL
89 P121 /FMTC O Full mute center O OL OL
90 P120 /FMTM O Full mute main L/R, RL/RC/RR O OL OL
91 Vcc Vcc Vcc Power for micropro5V
92 A8 KEEP
93 Vss Vss Vss Ground for microprocessor
IC520 : M30805SGP (FUNCTION P.C.B)
16bit
µ
-COM (Main CPU)
●
KEY input (A-D) Pull-up resistance 10 k-ohms
RX-V3300
DSP-AZ2
+1.2k
~0.75
- SET
MENU
PROCESSOR
DIRECT
+1.8k
~1.75
INPUT
MODE
+2.7k
~2.25
SPEAKER
A
+3.3k
~2.75
SPEAKER
B
+1.2k
~1.25
BASS
EXTENSION
Ω
V
KEY 0
(137 pin)
KEY 1
(136 pin)
0
0~0.25
SET
MENU +
+8.2k
~3.75
PROGAM
+4.7k
~3.25
STEREO
EFFECT
+18k
~4.25
PROGAM
+47k
~4.75
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