5 - 1
5 - 1
SOURCE
SELECTOR
8 OHM
ECO6
TUNER MODULE
CD99 / MP3-TI
LCD
MODULE
POWER AMP
CONTROL
DIGITAL
BUFFER
From
Processor
From
Processor
From
Processor
+Vc
PWM
+A_ON
MICRO
PROCESSER
To CD
CD_ON_OFF
To Tuner
UB II
PWM
VOLUME
CD_ON_OFF
Mute
V
V
V
V
V
V
BUFFER
V
MUTE
V
V
+B
+A
+A_ON
8 W
V
V
V
~
~
+
-
Voltage Selector
/01 Only
Mains
Transformer
6X1.5 V
+A
+A_ON
+B (5V4)
+C
CD Supply
V
V
Ultrabass
V
V
ALC
V
V
+B
V
V
Mute
UB II
ON_OFF
V
Backlight
V
BKLT
5
2
12
+CD
CD
TUNER
(AZ1155
ONLY)
+B
EEPROM
+
µ
p +B
RESET
IR
receiver
2
+A_ON
+A_ON
LOW BATTERY
INDICATOR
+
µ
p
+Keys
JOG
RING
+Keys
Keys
(CD mode,
Band, Program)
REGULATOR
VOLTAGE
+
µ
p
+B
Vc
JOG
Encoder
+A
+B
POWER
ON/OFF
Vc
VREF1
MIXER
MUTE
9
Front Board
Power Supply Board
Key Board
Ferture Board
AF Board
(5V4)
(5V4)
(5V4)
(5V4)
(5V4)
SET BLOCK DIAGRAM