Philips AZ7261 - Supply;Control Part

4-14-1
CS 46 174
Overvoltage protection
Charge control
IR-receiver (not in all versions)
Reset circuit
Cord remote control circuit (not in all versions)
Batt. level & temperature detection
S12S11S10S9S8S7S6S5S4S3S2S1S0C3C2C1C0NET
GND
+S
+3.5
+1.2
+A
12
1
4
5
8
TDA1308
FROM/TO AUDIO PART
PROGRAM
REPEAT
SHUFFLE
1 ALL SCAN
1
4
5
8
NJM2903
FROM/TO SIGNAL
PROCESSING PART
SERVODRIVER PART
FROM/TO DC/DC &
1716151413111098765432
X16dALL5dCol4d13d2d1dCOM3
--
6c6e5c5e4c4e3c3e2c2e1c1eCOM2
6b6g5b5g4b4g3b3g2b2g1b1gCOM1
6a6f5a5f4a4f3a3f2a2f1a1f
REPEATSHUFFLE ------
------
------
------COM0
1
SCAN
PROGRAM
X2
PIN
COM0
COM1
COM2
COM3
ACCU_IN
ACCU_IN
DC_ON
DC_ON
DC_ON
POW_OFF
POWER
CHG_ON
CHG_ON
RCI
RCI
RCD
RCD
RCO
RCO
RC
AUD_POW
KI2 KI2 KI1 KI1
HOLD HOLD
DBB
T_ACCU
T_ACCU
S12
PLAY PLAY
DOOR DOOR
RESUME RESUME
KO1 KO1 KO3 KO3
BATT_LEV_SW
BATT_LEV_SW
BATT_LEV
BATT_LEV
MUTE
SDA SCL
RA
SILD
STATUS
PORES
S11 S10
S7 S6 S5 S4 S3 S2 S1 S0
C3 C2 C1 C0
S8 S9
KO2 KO2
SUPPLY/CONTROL PART
DC IN
7400 I 9
7290F B16
7284A C 6
7283A C11
7282A C 8
7281A C 5
7280 C 6
7280 C 4
7260A B11
7251 A 4
6450D F 6
6403 L 3
6401 J 4
6400 J 5
6253 D 2
6251 B 2
6250 B 2
5400 K 9
3499D F 3
3495D G 6
3493D G 4
3492D H 5
3491D F 4
3490D G 4
3460D H 6
3459D G 6
3458 I 5
3457 I 4
3456 I 3
3455 I 3
3453 H 7
3452 I 6
3451 H 6
3450F C15
3449F B15
3440 L13
3436 I 9
3435 I 9
3430 I 5
3425 J 9
3423 K 6
3422 K 5
3418 I 6
3415 K 5
3414 L 3
3413 K 4
3410 I 4
3402 L15
3401 L15
3295 C13
3293A C13
3291 B13
3289A C 5
3288A C 5
3287A D 5
3286A D 8
3285A D 8
3283A B 7
3282A B 6
3281A D 5
3280A C 5
3277X C 7
3276A B 7
3275X B 6
3265 C 2
3264 B 2
3263A C11
3262 G16
3261A C10
3255 D 3
3254 C 3
3253 C 3
3251 C 4
3250A D10
3111A C11
3110 B14
3109 B12
3108 B12
3107X B11
3106 B12
3105 B12
2490D G 4
2454D G 5
2453 I 4
2452 H 3
2451 I 7
2426 J 8
2425 J 9
2402 G 9
2401X H 9
2395X H10
2281A C 7
2280A C 6
2255 B 8
2252 D 3
2251F C15
2250X D 3
2230 D 1
2220A D 8
2102X C14
2101 B12
1450F C16
1430 J 5
1418 K 4
1417 L 4
1415 K 7
1414 L 6
1413 L 7
1412 L 7
1411 K 6
1410 J 3
1400 E12
1250 C 2
7942D G 3
7940D G 5
7800 B14
7494D G 6
7453 I 6
7452 H 7
7451 H 6
7425 J 8
4 51 6 7 8 9 10 11 12 13 14 152 16 17 18 19 20 213
J
I
H
G
M
F
E
D
C
B
A
L
K
J
I
H
G
M
F
E
D
C
B
A
L
K
4 51 6 7 8 9 10 11 12 13 14 152 16 17 18 19 20 213
3277X
0R
3276A
22k
3264
270
3110
3M3
3109
150k%
3108 68k%
470k 3105 3106 47k%
3250A
470k
3261A
10k
3263A
100k
3283A
2k2
3286A
2R2
3285A
2R2
3282A
100k
3281A
22k
3251
330
3280A
100k
3254
18k
3255
22k
3262
100k
3293A
10k
NTC
3291 5k6%
3295 2k2%
3111A
22k
3275X
100k
3253
22k
3449F
10k
100k
3418
3401
1k
3499D
10k
3423
47k
47k
3422
470k 3453
3430 470k 3410 470k
470k 3452
100k 3451
47k
3460D
1M
3459D
2k2
3457
3M3
3458
3M3
3456
3402
1k
3491D
4k7
3490D
10k
3492D
56k
3414
47k
3415 470k 3413 470k
3425
2k2
3450F
22
3107X
1M
3493D
1M
2k2
3455
1M
3495D
3265
270
3287A
100k
3288A
1M
3289A
1k
100k 3435
10k
3436
3440
22k
7284A
BC848
7283A
BC848
7282A
2SD1623T
7290F
BC848
BC848
7452
BC848
7942D
BC848
7451
BC848
7453
ESD
ESD
RC RC
2255 100n
2102X
33n
2250X
100n
2252 100n
2281A
100n
2280A
3n3
2101 470p
100n 2453
100n 2402
470p
2395X
2490D
1n5
100n 2426 560p 2425
3n3
2454D
100n 2452
100p
2401X
2220A
100n
2230 100n
+3.5
+A
DC
+3.5
+S
+3.5
+1.2
+A
+5
+3.5
+S
+1.2
+3.5
+1.2
+5
+3.5
+3.5 +3.5+3.5
+S+S
+3.5+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5 +A+3.5
+3.5
7251
2SB1123
7260A
BC858
7940D
BC858
7494D
BC858
7281A
BC858
RC
AUD_POW
SDA
SCL
RA
SILD
PORES
STATUS
MUTE
POWER
DBB
GND_RC
6401 BAV70 6400 BAV70
6403 BAV70
6450D BAT54C
4
7
5
6
7280
NJM2903
8
7800
TDA1308
6
5
7
8
1
3
2
7280
NJM2903
CHARGE
BATT-
BATT+
RC5_IN
RC5_OUTDC_IN
DC_OUT
SB10-05
6251
BAT54
6250
6253
BZX84-C3V3
2 x LR6
consig
1250
HEC3600
1450F
GP1UC10
RC5 receiver
1400
LP-6365-C
13 14 15 16 171 2 3 4 5 6 7 8 9 10 11 12
2u2
2451
2251F
22u
7400
TMP47C823F
63641
4567
18
1213141527282930313233343536373839404142 19202122 232425
17
43535455565759606162 4423 4546474849505152
16
26
58
8
9
10
11
3
VLC
VSS
VDD
LCD driver
3
Interrupt controller
EIR
Accumulator
0
Interval Timer
R5
Timer/Counter
3
23
ALU
0
R8
1
R6
G
3
COM
Clock Generator
Hold controller
S
Timing Generator
System controller
4
Z
FLAG
0
C
R7
XIN
TEST
HOLD
RESET
XOUT
KE
12-bit
EIF
HR
(2ch)
30
R4
Interface
LR
RAM address buffer
0
TC1
Data Memory
STACK
(RAM)
TC2
2
R9
SPW
DC
0
Decoder
Program
(ROM)
Memory
IR
PC
3
K0
0
0
SEGMENT
Timer
Watchdog
DMB
8-bit Serial
data area
LCD display
4
DATA TABLE
3
R3
WT0
INT2
7425
PST 9127
1
2
3 4
5
1430
ESE11SH1
DOOR
STOP
EVQ PJX
1411
PROGRAM
SKHLAC
1415
PREVIOUS
EVQ PJX
1412
PLAY
HOLD-RESUME-OFF
DBB ON-OFF
EVQ PJX
1410
MODE
SKHLAC
1414
NEXT
SKHLAC
1413
5400
CSTC4.0MG
1417
1 2 3
1418
1234
Supply voltages
Explanation of abbreviations:
Explanation of itemnumber extentions:
+A.......Battery or ext. DC
+S.......Switched +A
+3.5.... Stabilized voltage of DC/DC converter
+1.2.... Reference-voltage (only if power on)
+5 .......Ext. DC
X  .......Components only forseen (not in use)
% .......Tolerance of resistor is only 1%
D ............................................wired remote control
A ................................................... recharge circuit
J ................................................................Line out
F ...........................................................IR - sensor
AZ7261,AZ7262,AZ7266,AZ7267,AZ7268 ..........A
AZ7263 ....................................................... A+F+J
AZ7264 ........................................................... A+D
This circuit diagram shows a summary of all
possible versions. For components used in
specific versions see table below.
3.1V
2.5V
2.5V
4.7V5.0V
4.7V 4.6V
3.8V
0.3V
0.3V
3.1V
3.1V
0.8V
0.1V
0.2V
0V
0V
0V
0.8V
1.2V
3.5V
3.5V
3.5V
4.2V
3.5V
3.5V
0V
0V
3.1V
3.5V 3.5V
0.4V
1.2V
3.4V
3.4V
3.4V 3.4V 1.4V
2.3V
2.3V 3.5V 3.5V 3.5V 3.5V
3.5V
3.5V 3.5V
0V 0V 0V 0V 0V 0V 0V 0V
0V
0.4V
3.5V
3.5V3.5V
0.7V
4.6V
4.1V
3.5V
0.6V
0V
0V
0V
3.5V
3.4V
3.2V
0.6V
0.6V
0.6V
0V
0V
0V
0V
0V0V
0V
TB 5ms/Div
C0...C3
S0...S12
TB 5ms/Div
DC voltage measured in
PLAY-mode, DBB=off.
Set supplied via mains adapter
EVM V