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3. TECHNICAL BRIEF
3.13 Speaker & MIDI IC
C1100 don’t use buzzer. but uses the loud speaker and Melody IC which makes the robust
joyful melody sounds.
• Melody IC control
2GPIO are assigned to control melody IC. Melody data is transferred to melody IC.
Figure 3-28. SPEAKER & MIDI IC
This phone have a melody IC of Yamaha, YMU759B is a synthesis LSI for portable
telephone that is capable of playing high quality music by utilizing FM synthesizer and
ADPCM decoder. This chipset is equipped with Yamaha's original FM synthesizer, with
which the device is capable of simultaneously generating up to 16 voices with different
tones, that is 16 polys. YMU759B includes a speaker amplifier low ripple whose maximum
output is 550mW at SPVDD = 3.6V.
Closed to Analog SW
(16 Poly MIDI)
C403
0.1u
47p
VMEM
R403
10K
C412
C411
47p
C404
R407
0.01u
0
0
R409
28
_WR
4.7
R414
HPOUT_L
10
HPOUT_R
11
5
IFSEL
6
PLLC
32
SDOUT
SPOUT1
17
SPOUT2
18
SPVDD 15
16
SPVSS
VDD
7
VREF
9
8
VSS
_CS
29
_IRQ
3
31
_RD
4
_RST
30
A0
1
CLK1
D0
27
D1
26
D2
25
D3
24
D4
23
22
D5
21
D6
20
D7
12
EQ1
EQ2
13
14
EQ3
EXT1
2
19
EXT2
YMU759B
U401
0
R401
100p
C405
0
R404
R408 3.3K
100K
R415
10K
R412
C407
47p
39K
R402
VBAT
39p
C409
NA
VMEM
R405
R406
NA
47p
C410
1
V+
150K
R417
COM1
3
COM2
9
GND
6
4
IN1
8
IN2
NC1
5
7
NC2
2
NO1
10
NO2
MAX4684EUB
U402
4.7
R416
R410 0
47p
C406
1000p
R413
0
C402 0.1u
C401
0.1u
SPK_REC_N
SPK_REC_P
C408
13MHZ_MIDI
MIDI_RESET
ADD00
RD
MIDI_CS
WR
MIDI_INT
DATA08
DATA09
DATA10
DATA11
DATA12
DATA13
DATA14
DATA15
SPKN
SPKP
RECP
RECN
SPK_RCV_SEL
Содержание C1100
Страница 1: ...Service Manual Model C1100 Service Manual C1100 P N MMBD0034301 Date June 2004 Issue 1 0 ...
Страница 84: ... 83 5 DISASSEMBLY INSTRUCTION Figure 5 3 ...
Страница 85: ... 84 Figure 5 4 5 DISASSEMBLY INSTRUCTION ...
Страница 86: ... 85 5 DISASSEMBLY INSTRUCTION Figure 5 5 Figure 5 6 ...
Страница 87: ... 86 5 DISASSEMBLY INSTRUCTION Figure 5 7 Figure 5 8 3 1 1 2 ...
Страница 88: ... 87 Figure 5 9 5 DISASSEMBLY INSTRUCTION ...
Страница 89: ...5 DISASSEMBLY INSTRUCTION 88 Figure 5 10 Figure 5 11 ...
Страница 90: ...5 DISASSEMBLY INSTRUCTION 89 Figure 5 12 3 2 1 ...
Страница 106: ... 105 9 PCB LAYOUT 9 PCB LAYOUT ...
Страница 107: ... 106 9 PCB LAYOUT ...
Страница 114: ... 113 Figure 11 1 HW test program Figure 11 1 HW test program 11 STAND ALONE TEST ...
Страница 118: ... 117 13 EXPLODED VIEW REPLACEMENT PART LIST 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 EXPLODED VIEW ...
Страница 119: ... 118 Note ...