Yamaha DSP-AX2 Service Manual Page 26
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DSP-AX2
DSP-AX2
25
13. SUM/VER /PORT
There are four sub-menu items.
Indicates the program version, checksum, specified port of the microprocessor (IC526 of the function
circuit board).
The checksum is obtained by adding data for every 16 bits for each program area and expressing the
result as a 4-figure hexadecimal data.
The signals are processed using EFFECT OFF. (The L/R signals are output using ANALOG MAIN
BYPASS setting.)
A: All
P: Program area
Version [Remote control code: 7A—0D (CD REW)]
12. DSP RAM CHECK [Remote control code: 7A—0A (CD SKIP +)]
This menu is used to self-diagnose whether or not YSS928 (IC501 of DSP circuit board) and external
RAM (IC502 of DSP circuit board) are connected properly.
During signal processing, the status before execution of this menu is maintained.
12.DSP RAM CHK
NoEr
Checks the address bus and the data bus, and indicates the connection condi-
tion.
“NoEr” appears when no error is detected.
PORT
00000000
bit 76543210
Tuner mode 0 (Caution 1)
Tuner mode 1 (Caution 1)
RDS with (1) / without (0)
Model type: DSP-AX2 (1) / RX-V3000 (0)
ZONE with (1) / without (0)
VIDEO format: PAL (1) / NTSC (0)
Head phone: Unconnected (1) / connected (0)
Tuner: Not stereo (1) / stereo (0)
Tuner mode
0
Tuner mode 1
Tuner frequency
0 0 AM : 531-1611kHz/9kHz FM : 76.0-90.0MHz/100kHz (J)
0 1 AM : 531-1611kHz/9kHz FM : 87.5-108.0MHz/50kHz (A, L, B, G)
1 0 AM : 530-1710kHz/10kHz FM : 87.5-107.9MHz/200kHz (U, C)
1 1 As set by FREQUENCY STEP switch (R, T)
(Caution 1)
Indicate
Function
WAIT
Bus being checked
NoEr
No error detected
DATA
Short or open of data bus
ADDR
Short or open of address bus
Checksum [Remote control code: ––––]
Checksum [Remote control code: ––––]
Check of port settings for judging microprocessor function
[Remote control code: ––––]
2: Boot 232C section
M: Boot maker section
Release 1 figure / Main 2 figures / DSP 2 figures / communication 1 figure /
Boot manufacture 1 figure / Boot 232C 1 figure
13.SUM/VER/PORT
VER. XXXXXXXX
13.SUM/VER/PORT
A:XXXX P:XXXX
13.SUM/VER/PORT
2:XXXX M:XXXX
13.SUM/VER/PORT
PORT:00000000
- AV AMPLIFIER 1
- ■ TO SERVICE PERSONNEL 2
- ■ FRONT PANEL 2
- ■ REAR PANELS 3
- ■ SPECIFICATIONS 4
- ■ GENERAL 5
- ● DIMENSIONS 5
- ● SET MENU TABLE 6
- ● SUPERIMPOSING 6
- ■ INTERNAL VIEW 7
- ■ DISASSEMBLY PROCEDURES 7
- ■ SELF DIAGNOSIS FUNCTION 8
- ● Starting DIAG 9
- ● Canceling DIAG 9
- DIAGNOSTIC MENU 10
- Details of DIAG menu 13
- 1. DSP THROUGH 14
- DSP 0dB 14
- FULL BIT 15
- 2. HP ROUTE 15
- 3. RAM THROUGH 17
- 0dB 17
- 4. PRO LOGIC 18
- YSS928 18
- 5. SPEAKERS SET 19
- 6. DISPLAY CHK 20
- EFFECT OFF 20
- 7. MANUAL TEST 21
- 8. RS-232C 21
- 9. PRESET 22
- INHIBITED 22
- RESERVED 22
- THM PRD PRV 23
- 028 006 009 23
- KY0 KY1 RECOUT 23
- 100 100 060 23
- 11. IF STATUS 24
- IFST:4403070500 24
- 12.DSP RAM CHK 26
- NoEr 26
- ■ AMP CHECK 27
- ■ IC DATA 28
- 16 bit µ-COM (CPU) 29
- IC501 : YSS928 (DSP P.C.B.) 32
- IC503 : PM4007A (DSP P.C.B.) 36
- AC-3 RF Demodulator 36
- Superimpose 39
- IC611 : BU2092 (VIDEO P.C.B.) 41
- ● Extension Port 41
- ■ DISPLAY DATA 42
- ● ANODE CONNECTION 43
- ■ PIN CONNECTION DIAGRAM 44
- ■ BLOCK DIAGRAM 45
- DSP P.C.B 47
- FUNCTION P.C.B 48
- VIDEO (1) P.C.B 50
- VIDEO (6) P.C.B 51
- VIDEO (3) P.C.B 52
- OPERATION (1) P.C.B 53
- OPERATION (2) P.C.B 54
- MAIN (1) P.C.B 55
- MAIN (3) P.C.B 56
- ● R, T, B, G models 56
- R, T, B ,G only 57
- F AMP (2) P.C.B 58
- ● R, T models 58
- F AMP (6) P.C.B 58
- ■ SCHEMATIC DIAGRAM (DSP) 59
- SCHEMATIC DIAGRAM (FUNCTION) 60
- SCHEMATIC DIAGRAM (OPERATION) 61
- ■ SCHEMATIC DIAGRAM (MAIN) 62
- ■ SCHEMATIC DIAGRAM (F AMP) 63
- SCHEMATIC DIAGRAM (VIDEO 1/2) 64
- SCHEMATIC DIAGRAM (VIDEO 2/2) 65
- PARTS LIST 66
- P.C.B. DSP 67
- P.C.B. DSP & F AMP 70
- P.C.B. F AMP 71
- P.C.B. F AMP & MAIN 72
- P.C.B. MAIN 73
- P.C.B. MAIN & FUNCTION 76
- P.C.B. FUNCTION 77
- P.C.B. FUNCTION & VIDEO 79
- P.C.B. VIDEO 80
- P.C.B. VIDEO & OPERATION 81
- P.C.B. OPERATION 82
- CHIP RESISTOR 82
- ■ EXPLODED VIEW 83
- ■ MECHANICAL PARTS 84
- New Parts 85
- REMOTE CONTROL TRANSMITTER 86
- Key arrangement 87
- Initial Macro setup/初期登録マクロ 88
- 1/4W Type 89
- 1/6W Type 89
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