5-1
5-1
Block Diagram FW-R55 17 09 2001
I2C B
US
I2C B
US
TUNER CONTROL
INTERFACE
3CDC CONTROL
INTERFACE
1226
1
I
2
C
D
ATA
I
2
C CLK
RESET
IRQ
Display
driver
Microprocessor
DISPLAY FRONT
for details see
Chapter 6
LED BOARD
for details see
Chapter 6
JOG FRONT
for details see
Chapter 6
1224
11
1
TU_CE
HP_DET
Not Connected
TU_Data
TU_Stereo
TU_CLK
MIC_DET
Lo
w_P
o
w
er_Control
P
o
w
erDo
wn
Clip
1220
5
1
LED4
+5V6
1600
1
5
1225
1
16
I
2
C CLK
+5V6 con
+5V6
CD_STR
SW_INFO
I
2
C
D
ATA
NTC
F2
CD_D
A
TA
CD_CLK
F1
+5V6
-Vkk
7001
7002
1222
1
12
1320
12
1
VOL_B
JOG_B
+E
KEY_0
KEY_1
+5V6
LED1
JOG_A
VOL_A
VOL_B
JOG_B
+E
KEY_0
KEY_1
+5V6
LED1
JOG_A
VOL_A
LED3
LED4
+5V6
LED3
KEY BOARD
for details see
Chapter 6
1221
4
1
1502
1
4
KEY2
KEY2
+E
+5V6
+E
JOG A
JOG_B
YES
+E
+E
VOL_A
VOL_B
VOL
JOG
+5V6
+5V6
RED
BLUE
I2C BUS
HEADPHONE BOARD
for details see
Chapter 6
1700
1
4
HP_LEFT
HP_DET
HP_RIGHT
1400
1
5
MIC
MIC_DET
+11V_A
MICROPHONE BOARD
for details see
Chapter 6
1404
CDR CONTROL
INTERFACE
MIC
Headphone
POWER MODULE
(Amplifier part)
for details see
Chapter 9
POWER MODULE
(Supply part)
for details see
Chapter 9
CDR SUPPL
Y
1312
1
6
+5V_VCD
+5V_VCD
+12V_CDR
Super Class G Suppl
y
1203
6
1
B1
C1
A1
A1
1302
6
1
B1
C1
A1
B1
C1
A1
A1
1209
7
1
NTC
ECO
-Vkk
F1
F2
PowerDown
1304
7
1
Low_Power_Supply
NTC
ECO
-Vkk
F1
F2
PowerDown
Low_Power_Supply
1310
7
1
+12V_D
+5V6
Low_Power_Supply
+12V_A
1209
13
1
NTC
Low_Power_Control
PowerDown
Clipping
AF_right
AF_left
F2
NC
CLASS G Switch
VCD/CDR_ON
F1
AMP ON
-Vkk
7301
7302
POWER
AMP
8
1
EBU IN CD10
AUDIO SIGNAL INTERFACE
DIGIT
AL IN
CONTROL INTERFACE
SUPPLY INTERFACE
CD INTERF
A
CE
RESET CD10
CD10 SDA
CD10 SCL
CD10 RAB
CD10 SILD
CDR MODULE
for details see
Chapter 11
1532
1007
1203
1803
DIG IN
1205
1
7
1
1
5
I
2
C
D
ATA
I
2
C CLK
RESET
EBU IN
not connected
not connected
ANALOG IN (REC) L
ANALOG IN (REC) R
ANALOG OUT (PB) R
ANALOG OUT (PB) L
IRQ
1214
1
6
+5V
+5V
+12V
3
1
CD - CHANGER MODULE
for details see
Chapter 10
8
1
EBU
PORE
SDA
SICL
RAB
SILD
1802
1805
9
1
SW Inf
o
SHR STR
SHR CL
SHR D
A
TA
+5V
NC
NC
+10V
AF 9 BOARD
for details see
Chapter 8
IS
IS
BASS
ALC
L&R
ALC
CONTROL
SOURCE
SELECTOR
VOLUME I
I
2
C Control
SOUND
VOLUME II
FADER
I
2
C
Control
D7
D6
D5
D4
D3
D2
D1
D0
1532
7
1
PB_ L
PB_R
REC_R
REC_L
1525
1
9
SW Inf
o
SHR STR
SHR CL
SHR D
A
TA
+5V
NC
NC
+10V
1204
7
1
+12V_D
+5V6
Low_Power_Supply
+12V_A
1402
1
TU_CE
HP_DET
Not Connected
TU_Data
TU_Stereo
TU_CLK
MIC_DET
Lo
w_P
o
w
er_Control
P
o
w
erDo
wn
Clip
1120
1501
8
1
TU_ENAB
TU_LEFT
Microphone
Tuner
CDR(CD)
AUX
not used
TU_RIGHT
TU_DATA
TU_CLK
TU_STEREO
+11V_A
1510
1
5
MIC
MIC_DET
+11V_A
1405
1
I
2
C CLK
+5V6 con
+5V6
CD_STR
SW_INFO
I
2
C
D
ATA
NTC
F2
CD_D
A
TA
CD_CLK
F1
+5V6
-Vkk
1304
13
1
NTC
Low_Power_Control
PowerDown
Clipping
AF_right
AF_left
F2
Ampl_CS_DC
VCD/CDR_ON
7403
SHIFT REGISTER
7501
F1
11
6
AMP ON
-Vkk
11
16
1603
4
1
HP_DET
HP_LEFT
HP_RIGHT
3CDC CONTROL
3CDC CONTR
OL
TUNER CONTR
OL
Source Selector & Soundprocessor
I2C B
US
I2C BUS
I2C B
US
AUX IN
1504
LINE OUT
1120
8
1
TU_ENAB
TU_LEFT
TU_RIGHT
TU_DATA
TU_CLK
TU_STEREO
+11V_A
TUNER BOARD
for details see
Chapter 7
BLOCK DIAGRAM
Power ON:
F
RONT
B
OARD
Standby Key 1214
→
Line KEY2
→
Microprocessor 7001.
Microprocessor 7001 sends an I
2
C command to Shiftregister
7403 on
AF9 B
OARD
D5 (7403/11) = AMP_ON is set to high level.
Line AMP_ON is connected to the
P
OWER
B
OARD
If AMP_ON is high
→
power amplifiers 7301 and 7302 are
switched on.
CDR ON:
F
RONT
B
OARD
CDR Key 1002
→
Line KEY2
→
Microprocessor 7001.
Microprocessor 7001 sends an I
2
C command to Shiftregister
7403 on
AF9 B
OARD
D1 (7403/6) = VCD/CDR_ON is set to high level.
Line VCD/CDR_ON is connected to the
P
OWER
B
OARD
On the Power Board the line is called VCD_ON.
If this line is high
→
+5V_VCD and +12V_CDR are switched
on.
CDR M
ODULE
gets supply voltages via 1312
→
1214.