Marantz CD5000 - Blockdiagram

5-45-4
CS 53 148
BCLK
WCLK
SDA
BCLK
WCLK
SDA
SERIAL DATA
INTERFACE
D/A
D/A
DAC BUFFER
Left out
MUTE
VOLUME
MUTE
Right out
7505
KILL
KILL
STBY
(COMMAND FROM µP)
+5V
Standby circuit
1251
1
2
3
4
5
6
7
1506
1504
1
2
3
4
5
+10V
+5V (switched)
+10V
-10V
+5V
AMPLIFIER
HEADPHONE BOARDAF BOARD
7670
1600
HEADPHONE SOCKET
162
1
2
3
4
5
+10V
-10V
MUTE
LINE OUT
MUTE
1252
1
2
3
4
5
6
7
8
POWERED
KILLI
STBY
STBY
-VKK
F2
F1
+5V
KILLI
(COMMAND FROM µP)
POWERED
KILLP
Mute control
1802
1
2
3
4
5
6
7
BCLK
WCLK
SDA
KILL
+10V
+5V
1250
1
2
3
4
5
6
F1
-VKK
+10V
+5V
-10V
F2
VOLTAGE
SELECTOR
(/01 only)
MAINS PLUG
110V
220V
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
PROGRAM
CD TEXT
PEAK
REPEAT REMTOTAL TRACK TIMESCAN TRACKSHUFFLE 1A-B
1 2 3 4 5 6 7 8 9 10111213141516171819+
181
1
2
3
4
5
6
7
8
ROM
RAM
VDD
VKK
Converter
A/D
P7
P8
P9
TEST
RESET
DISPLAY-DRIVERS
VSS
CLOCK
P2 P1
P4
P5
P3
P0
P6
8BIT CPU
KEY MATRIX
4
4
IR EYE
7810
+5V
RC5
TRAY-
TRAY+
TRAY_SW
CD_PORE
CD_DATA
GND
CD_SILD
CD_SICL
µP CLK
GND
SRDT
DOSY
1804
1
2
3
4
5
6
7
8
TRAY-
TRAY+
TRAY_SW
CD_PORE
CD_DATA
GND
CD_SILD
CD_SICL
182
1
2
3
4
5
6
7
8
POWERED
KILLI
STBY
-VKK
F2
GND
F1
+5V
1810
1
2
3
4
µP CLK
GND
SRDT
DOSY
1720
4
3
2
1
ECO SHORT LOADER
for details see next page
CD753 Blockdiagram 19980604
FRONT BOARD
BLOCKDIAGRAM