4-4
4-4
CS 46 448
Mute control
Double mute
16.9 MHz
FR
OM/T
O CONTR
OL P
AR
T
FR
OM SIGNAL PR
OCESSING P
AR
T
Supply: +LF
NJM2903
8
5
4
1
Vcc
GND
1
7
8
14
74HC4066
RC
TREB
MUTE
S_MUTE
DBB
AMB_ON
AMB_ON
AMB
AMB
3365 C11
3364 E10
3363 C10
3360 C 9
3359 D 8
3358X D10
3357X C 7
3356 C 9
3355 D 7
3354 C10
3353 D 7
3352 E 9
3351 C 7
3349 F 9
3348 F 9
3347 F 9
3346 G10
3345 G 9
3341 A 7
7368 F12
3340 F 4
3331 G 4
3329 F 6
3328 F 7
3327 G 6
3326 F 6
3325 G 6
3324 F 5
3323 G 4
3322 F 3
7367 D12
3321 F 3
3320X F 4
3307 E 2
3306 A 5
3305 B 2
3304 F 5
3303 G 2
3302 F 2
3301 F 1
3300 G 3
7366 F11
2398 E13
2397 D13
2396 E14
2392 E14
2364 E10
2363 B11
2356 D 8
2355 C 9
2354 D 7
2353 C 9
7365 D11
2352 C10
2351 D 7
2343 F10
2341 B 7
2323 G 4
2322 G 5
2321 G 3
2310 F 2
2307 F 5
2306 B 6
7344 G 9
2305 E 5
2304 F 5
2303 B 3
2302 B 5
2301 E 7
2300 G 2
1350 D14
7343 F10
7322 C 8
7322 D 8
7322 C 7
7322 D 9
7320 G 6
7301 F 2
7300 C 2
6490D E13
6390D C14
6322 F 6
6321 F 5
5368X D14
3498D C13
3390 E 3
3376 E11
3375 D11
3372 E12
3371 D12
3370 E12
3369 C12
3368 E11
3367 D11
3366 E11
4
5
6
1
7
8
9
10
11
12
13
14
2
3
F
E
D
I
C
B
A
H
G
F
E
D
I
C
B
A
H
G
4
5
6
1
7
8
9
10
11
12
13
14
2
3
+3.5
+A
+3.5
+LFA
+LF
+3.5
+LF
+LF
+LF
+A
+LF
+LF
+3.5
+3.5
+LF
+3.5
+A
+3
DBB
RC
CLK
LRCLK
SRDA
CL16
MUTE
AMB_ON
AMB
S_MUTE
TREB
AUD_POW
+LF
AG
AG
SD
AG
O
SD
SD
AG
AG
ESD
O
O
O
O
O
ESD
ESD
O
O
AG
AG
AG
SD
AG
AG
AG
DD
AG
AG
O
DD
O
O
3390
0R05
3340
3k3
3303
1k
3348
100k
3347
100k
3323
330k
3302
1k
3307
22k
3320X
0R05
3331
0R05
3328
100k
3329
100k
3324
3k3
3325
470k
3327
15k
3326
10k
3358X
1M
3359
1M
3357X
1M
3360
1M
3352
1k
3354
330
3356
680
3355
680
3353
330
3351
1k
3498D
82R
330
3368
330
3372
330
3367
330
3371
8R2
3370
8R2
3369
8R2
3365
8R2
3366
3375
330
3376
330
3321
22k
3341
1k
3346
22k
3345
22k
3301
22k
3304
10R
3306
4R7
3305
22R
3349
10k
3322
22k
2k2
3363
2k2
3364
2307
33n
33n
2397
100p
2398
33n
2396
2353
47n
2354
47n
15n
2392
2302
1n
2301
1n
2341
100n
2323
100n
100n
2321
2303
100n
2355
100n
2356
100n
2310
2u2
2304
4u7
2305
47u
2322
22u
220u
2363
220u
2364
2300
47u
2351
330n
2352
330n
2306
4u7
4u7
2343
BC817
7368
BC817
7367
BC817
7365
BC817
7366
BC848
7344
6321
BAS216
6322
BAS216
7343
BC858C
BC807-40
7301
3
2
1
10k lin.
3300
9
8
6
7322 B
7322
A
B
D
C
3
4
5
7322 D
2
1
13
74HC4066
74HC4066
10
11
12
74HC4066
74HC4066
7322 C
7322 A
6490D
BZX84-C11
6390D
BZX84-B5V6
8
1
3
2
7320
NJM2903
TDA1548T
7300
22
20
18
19
21
7
17
9
15
13
14
4
26
5
6
16
12
2
23
10
28
3
27
25
24
11
1
8
Vddo
DEEM
MUTE
CLSEL
ADREF
ADTR
ADBB
AD
VC
AD3S
Vdda
Vssa
Vr
ef
Ior
V
or
Vsso
IF1
SYSCLK
Vssd
Vddd
D
A
T
A
WS
BCK
Mode1
Mode0
Iol
V
ol
Vcom
IF2
Timing
Volume
Control
Sound
Mute
Volume/Sound Contr
Interp.
Filter
SERIAL I/F
Noise-
shaper
Noise-
Oversampl
Oversampl
shaper
Source
Ref.-
1k2
1k2
DAC
DAC
2u2
5368X
3
1350
Headphone &
RC-socket
5
1
4
2
FR
OM/T
O
SUPPL
Y/SER
V
ODRIVER P
AR
T
AUDIO PART
Sound control:
AMB
low=off
AMB_ON
low=mid
DBB
low=max, open=mid, high=off
TREB
low=on
MUTE
low=on
SMUTE
low=off
AUD_POW
low=on
VOLUME
CONTROL
Explanation of itemnumber extentions:
no extension ... common itemnumbers
A ..................... charge circuit
B ..................... LCD illumination
C ..................... play-key illumination
D ..................... cord RC prepared
E ..................... digital out (optical)
F/G/H/K .......... DRAM-size/Audio compression
(see table on signal processing part)
X ..................... component only forseen (not in use)
% .................... tolerance of resistor is 1%
Supply voltages:
+A ........... battery or external DC voltage
+S ........... switched vA
+DC ......... stabilized external DC voltage
+3.5 ......... stabilized voltage of DC/DC-converter
+1.2 ......... reference voltage (only if power on)
AZ7562.................... A+B+D+H+K
AZ7565.................... A+B+D+E+H+K
AZ7566.................... A+B+C+D+H+K
Set description:
3.6V
1.1V
3.5V
0V
0V
0V
0V
0V
0V
0V
0V
0V
4.6V
4.6V
4.6V
3.5V
0V
3.5V
3.5V
3.5V
2.8V
1.8V
0V
3.4V
0V
0V
0V
0V
3.5V
3.5V
3.4V
3.4V
3.5V
1.8V
1.8V
1.8V
1.4V
1.8V
1.8V
1.8V
1.8V
1.8V
2.7V
7
6
5
PLAY-mode, DBB off
DC-voltages measured in
Set supplied via AC/DC-adaptor
EVM
V
DATA
WCLK
left channel
right channel
SCLK
TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE OF CD7 AND NPC
CD7
→
NPC
NPC
→
DAC
2
3
4
5
6
7
MSB
LSB
MSB
LSB
