– 36 –
– 37 –
– 38 –
• IC Block Diagrams
IC301
TC9438FNEL
IC302
TA2120FN (EL)
IC401
MPC18A26VMEL
IC501
BA6386K
DATA
INTERFACE
CIRCUIT
MICRO COMPUTER
INTERFACE
CIRCUIT
OSC
20
TIMING
GENERATOR
DINAMIC
BASS BOOST
CIRCUIT
DIGITAL FILTER CIRCUIT
DEEMPHASIS FILTER CIRCUIT
ATTENUATOR OPERATIONAL CIRCUIT
∑
-
∆
MODULATION CIRCUIT
OUTPUT
CIRCUIT
ANALOG
FILTER
TEST
CIRCUIT
OUTPUT
CIRCUIT
ANALOG
FILTER
24
23
22
21
17
16
15
14
19
18
3
4
8
10
11 12
1
2
6
7
5
9
LRCK BCK DATA DBB2
(DBB1)
ATT
(EMP)
SHIFT
(SM)
LATCH VDX XO
XI GNDX MCK
13
VDD
T1
VDA
RO GNDA VR
P/S
GNDA
LO
VDA ZD GNDD
+
–
+
–
+
–
23
20
19
18
17
16
15
14
13
2
3
4
5
6
7
8
9
10
11
12
1
24
BIAS
BEEP
PW
SW
MT
SW
ALC
DET
ATT
SW
PWC
SW
OUT B
OUT A
BEEP
IN
BST
PW
B
PW
C
BST
NF
ADD
OUT
RF IN PWC
SW
OUT B OUT C OUT A
PWR
GND
MIX
OUT
ALC
IN
ALC
DET
ATT
SW
IN A
IN B
GND
MT
TC
MT
SW
PW
SW
BIAS
BIAS
IN
BST
SW
BST
OUT
VCC
ADD
A
ADD
B
21
22
PW
A
ALC
ALC
+
–
1
7
8
9
36
34
28
23
21
20
ERROR AMP
CHARGESW
CHARGE
AMP
DCIN DETECT
35
33
ERROR AMP
PWM2
2
3
4
5
10
PWM1
32
31
30
SYSTEM
CONTROL
OSC2
LOW VCPU
DETECT
12
13
14
15
16
17
18
VCPU
22
BANDGAP
REFERENCE
STEP-UP
DC-DC
CONVERTER
REGULATOR
SAWTOOTH
PWM4
SUB
REFERENCE
11
VG
VG
VG
VG
VG
27
29
26
25
24
19
INM3
RF3
DCIN
CHGSW
BATM
CHGOUT
VIN
VOUT2
NC
VOUTB1
VOUT1
UPCKB1
UPCK1
VG
VDO
SW
VCPU
GND
RS
DCDTB
RF2
INM2
INP2
DTC3
RF1
INM1
INP1
CMP1
DTC1
VREF
SWEN
RSTB
CKOUT
SYNC
PCB
CHGON
6
DET BLOCK
PS PL
BL BS
+
–
+
–
+
–
+
–
+
–
+
–
+
15
FOCUS
SWITCH
SCRATCH
CONTROL
RAMP
OSC
+
–
12
16
+
–
24
+
–
25
26
27
28
+
–
21
22
23
20
19
17
+
–
+
–
31
30
+
–
29
8
6
11
9
5
7
+
–
4
3
10
1
32
FOCUS BIAS
18
EFM
MIRR
DEFECT
13 FEO
FOK
FON
TEO
DFR
SROCH
PD
LD
CAPC
CAGC
GND
F
E
EI
FE
VC
FBIAS
A
D
B
C
RF-
RFO
RFI
VCC
PLH
BLT
RAGC
ASY
14
HOLD BLOCK
LOOP ON
2
–
Содержание D-E505
Страница 4: ... 4 SECTION 2 GENERAL This section is extracted from instruction manual ...
Страница 5: ... 5 ...
Страница 6: ... 6 ...
Страница 13: ......
Страница 16: ......