Blockdiagram - Philips CD753/00 Service Manual

BLOCKDIAGRAM

1720
4 µP CLK
3
GND
2
SRDT
1
DOSY
1804
1
TRAY-
2
TRAY+
3
TRAY_SW
4
CD_PORE
5
CD_DATA
6
CD_SILD
7
GND
8
CD_SICL
FRONT BOARD
PROGRAM SHUFFLE REPEAT
CD TEXT
PEAK
1 2 3 4 5 6
P7
181
TRAY-
1 P6
2 TRAY+
3 TRAY_SW
VDD
4
CD_PORE
5 CD_DATA
ROM
6
CD_SILD
P0
7
GND
8
CD_SICL
P3
1810
µP CLK
1
2 GND
3
SRDT
4
DOSY
5-4
ECO SHORT LOADER
for details see next page
KILL
SDA
BCLK
WCLK
+5V
+10V
1A-B SCAN TRACK TOTAL REM TRACK TIME
7 8 9 10 11 12 13 14 15 16 17 18 19 +
P9
P8
KEY MATRIX
VKK
DISPLAY-DRIVERS
4
P4
8BIT CPU
RAM
P5
4
A/D
CLOCK Converter
VSS
P2 P1 POWERED
KILLI
7810 STBY
RC5
-VKK
+5V IR EYE
F2
F1
GND
+5V
AF BOARD
+5V
1802 1251
1 1 KILL
2 2 SDA SDA
D/A
3 3 BCLK
BCLK
4 4
WCLK WCLK
D/A
5 5
+5V (switched)
6 6
DAC
7 7
+10V
Standby circuit
+5V POWERED
STBY
(COMMAND FROM µP)
F1,F2 Filament for FTD ( FRONT BOARD )
-VKK Supply for FTD ( FRONT BOARD )
+10V +Supply for buffer and headphone amplifier
-10V -Supply for buffer and headphone amplifier
+5V Stabilized 5V supply for DAC and µP
182 1252
POWERED
1 1
STBY
2 2 KILLI
3 3 STBY
4 4 -VKK
5 5 F2
6 6
F1
7 7
8 8
+5V
5-4
HEADPHONE BOARD
KILL
1506 162
1 1
7505 +10V +10V
2 2
-10V -10V
Left out
3 3
4 4
MUTE
5 5
Right out
MUTE
VOLUME
BUFFER
1504
MUTE
LINE OUT
Mute control
MUTE
KILLP
KILLI
(COMMAND FROM µP)
1250
1
F1
2
F2
3
-VKK
4
+10V
5
-10V
6
+5V
7670
1600
HEADPHONE SOCKET
AMPLIFIER
MAINS PLUG
110V
VOLTAGE
SELECTOR
(/01 only)
220V
CD753 Blockdiagram 19980604
CS 53 148