Diagrama Em Blocos - Philips AZT-9230 Service Manual

AZT9230
28 /19

DIAGRAMA EM BLOCOS

RC, RC_SW
(FROM/TO
RC-SOCKET)
DISC
TURNTABLE
MOTOR
12 10
LD
TRACK
SERVO
9
FOCUS
SERVO
11
SLIDE
SERVO
Laser
diode
MI
Monitor
diode
R1
R2
D1
D2
PHOTO DIODE
ARRAY
D3
D1 D2
R1 R2
D3
VAM2103/08
CD-DRIVE
FLEX PCB
DM±
Sldm±
Focus±
Track±
eye-pattern signal
during focus search
> 800 mVpp
2,5V
1 9
0
TB=0.1s
-2,5V
TB=0.5µs
CS 46 705
3-8
FM-Antenna +TUNER
(=headphone cable)
+UP
1) VCC
TUNER BOARD
M24C01
1)
EEPROM
SCL_T
SDA_T
P TMP86CH29
CE_TUNER
STEREO
TUNER_ON
TO LF-AMPLIFIER
SDA_EEP
RESET
+UP
CLOCK GEN.
MEMBRANE
& TIMING
KEYBOARD
4MHz
RC-CIRCUIT 1)
+2.7
LO VDDL
LDON H=Laser on
Lo Vddl LDon LDON
HF-GAIN
LASER
1
SUPPLY &
L.P.F. + Hf RFE HFIN
PROTECT. FRONT END
H.P.F.
DIGITAL PLL
O6 D5 R1
L.P.F. L.P.F.
O5 D1 R2
L.P.F. L.P.F.
O1 D2 D1
L.P.F. L.P.F.
O3 D3 D2
L.P.F. L.P.F.
O4 D4 D3
L.P.F. L.P.F.
D4
L.P.F. L.P.F.
TDA1300T
VERSATILE
YFLAG
HF-PREAMPLIFIER
(TO NPC) INTERFACE
SAA7324H
CD10
+2.7
+1.4 +2.7 +2.7 OSCILLATOR
VR VLG VCG CLK
CLsaw
LOW VOLTAGE CHARGE SAWTOOTH
DETECTOR PUMP GENERATOR
16
H-BRIDGE DM_IN
DM_PWM
MOTOR DRIVER 4 (FROM µP)
L.P.F.
VG VLG VR CLsaw
15
H-BRIDGE
SLIDE_IN SL (PWM signal)
MOTOR DRIVER 3
L.P.F.
VG VLG VR CLsaw
13
H-BRIDGE FOCUS_IN FO
(PWM signal)
MOTOR DRIVER 1
L.P.F.
VG VLG VR CLsaw
14
H-BRIDGE
TRACK_IN RA (PWM signal)
MOTOR DRIVER 2
L.P.F.
VG VLG VR CLsaw
MPC17A51VM
SERVO DRIVER
servo in or disc motor cw 13
10
3V 3V
not moving 14
11
0
15
servo out or disc motor ccw
12
-3V
16
EL-BACKLIGHT 1)
LCD
+UP
VDD
LF
RAM LCD DRIVER ROM
YMLD
YMCLK
16bit TIMER
YMDATA
ALU
COUNTER ZSENSE
SILD
RAB
SCL_CD10
SDA_CD10
SFSY (PWM_IN)
I/O PORTS
FROM/TO SUPPLY/ TO HEADPHONE AMP.
CHARGE CIRCUIT
8.4MHz
+2.7
DOBM PORES
(TO OPT. OUT) (FROM NPC)
VDD
RESET
EBU
TIMING
INTERFACE
SBSY
SFSY
ERROR MOTOR SUBCODE
YMDATA
CORRECT. CONTROL PROCESS.
ZSENSE
EFM RAM PEAK
SRAM
DEMOD. ADDRESS. DET.
SILD
RAB
SCL_CD10
SDA_CD10
µP
CONTROL PART
INTERFACE
SCLK
WCLK
DATA YSRDATA
SERIAL
FUNCTION AUDIO
PRE-PROC.
CONTROL PROCESS. INTERFACE
2-4
SCLI
WCLI
SDI
SERIAL
LOOPBACK
OUTPUT BITSTREAM 5-7
KILL
STAGES DAC
SL FO RA
BIAS IN
VOLUME
+
DBB OUT
ADD OUT
R-OUT
(FROM TUNER)
DBB DBB NF
CONT.
+
L-OUT DBB_STEP
(FROM TUNER) (FROM µP)
CD10 → NPC TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE OF CD10 AND NPC
NPC → CD10
2 5
servo out or disc motor cw SCLK
not moving 3 6
WCLK
servo in or disc motor ccw
4 7
DATA
0
3-8
SUPPLY/CHARGE CIRCUIT
DC-in socket
+
+2.7
ACCU or
BATTERY
VCC
DRAM
+2.7
+DC +1.25
A0...A10, D0...D3
CAS, RAS, WE, OE VDD
CHG_ON CHARGE
DRAM INTERFACE
(FROM µP) CONTROL
ENCODER DECODER
YMLD
YMCLK
CONTROLLER
INTERFACE
SBSY
SHOCK
CONTROL
YFLAG
(FROM
CD10)
INPUT BUFFER ATTENUATOR
YSCK
YLRCK
INPUT I/O OUTPUT
INTERFACE EXTENSION INTERFACE
PORES
SM5903BF (TO CD10)
NPC
RESET
ZSCK
ZLRCK
ZSRDATA NPC_RESET
(FROM µP)
1)
TWEETER
TWEETER
MUTE DBB_ON BEEP +A
(FROM µP)
(FROM µP) +A (FROM µP) (FROM µP)
VCC
OPTICAL OUT
MUTE POW. DBB
BEEP
SW. SW. SW. DOBM
(FROM CD10)
+2.7
BIAS
BIAS
IN A HEADPHONE&
A (RIGHT)
RC-SOCKET
Vref
RC
B (LEFT)
(FROM/TO
IN B
RC-CIRCUIT)
TA2120FN
HEADPHONE AMP.
left channel right channel
+DC
DC_IN
(TO µP)
T630mA
+TUNER
+A
+2.7
DC/DC
UP/DOWN +UP
CONVERTER +1.25
+
DM_PWM
(FROM µP)
charge
BATT_LEVEL
RECH. BATT.
(TO µP)
MEASURING
CHG_DET
PART
(TO µP)
ACCU ACCU_IN
(TO µP)
DETECT.
TEMP. TEMP
DETECT. (TO µP)
1)
1)
not on all versions