Yamaha DSP-AX2 Service Manual Page 15
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- Table of contents
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DSP-AX2
DSP-AX2
14
FULL BIT [Remote control code: 7A—92 (PRG11)]
• The head margin is unused and the digital data is output in full bit.
• The same applies as “DSP 0dB” except that the digital data is output in full bit at D/A but
SWFR is not output in full bit.
2. HP ROUTE (Headphone route)
There are two sub-menu items (0dB, FULL BIT).
0dB [Remote control code: 7A—93 (PRG12)]
• The input signal is automatically identified and switched in the priority order of dts ➝ DOLBY
DIGITAL ➝ PCM AUDIO ➝ Analog (A/D) according to the signal detection.
• L/R, C/RC, FL/FR, RL/RR and SWFR signals are output through DSP (see the signal
path in the figure below) without using the external DRAM.
(The SDOB output is inputted to DAC of MAIN L/R. Other than that, everything is the
same as DSP THROUGH.)
SWFR
RL
RR
FL
FR
C
RC
L
R
FILTER
DF1704
FILTER
DF1704
FILTER
DF1704
D/A
PCM1704
D/A
PCM1704
D/A
PCM1704
CODEC
(D/A)
AK4527
L/R
L/R
L
R
L/R
L/R
L/R
SDOA0
SDOB0
SDOB1
SDOB2
SDOB3
CODEC
(A/D)
AK4527
DIR
PCM THR
MAIN
DSP
(Decoder)
SUB DSP
DIGITAL
ANALOG
AC3D3 YSS928
4M DRAM
1. DSP THROUGH
FULL BIT
2. HP ROUTE
0dB
(In the case of 2-ch source)
Note: (SDOxx) represents a terminal name of AC3D3.
The shaded square ( ) means that the element included in it does not operate.
Head margin
MAIN L/R: -18dBFS
CENTER: -6dBFS
REAR CENTER: -3dBFS
FL/FR: -6dBFS
RL/RR: -18dBFS
SWFR: Add L/R signal at -20dBFS.
Condition
Both ch, -20 dBV, volume -10dB
MAIN L/R
-13.5 dBV
CENTER
-7.5 dBV
REAR C
-10.5 dBV
SWFR
-1.5 dBV
REAR L/R
-1.5 dBV
FRONT L/R
-7.5 dBV
Reference (PRE OUT)
INPUT : DVD ANALOG
SWFR: 50Hz, Others: 1kHz
Condition
Both ch, -20 dBV, volume 0dB
MAIN L/R
-3.5 dBV
CENTER
– ∞ dBV
REAR C
– ∞ dBV
SWFR
– ∞ dBV
REAR L/R
– ∞ dBV
FRONT L/R
– ∞ dBV
Reference (PRE OUT)
INPUT : DVD ANALOG
SWFR: 50Hz, Others: 1kHz
- 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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