44
44
CFD-G700CP/G770CP/G770CPK
CFD-G700CP/G770CP/G770CPK
• Waveforms
– BD90 Board –
– TC Board –
– TUNER Board –
– MAIN Board –
1
IC2
w;
(XOUT)
13.3
µ
s
1.5 Vp-p
500 mV/DIV, 5
µ
s/DIV
1
Q301
C
(REC)
19.5
µ
sec
19.5
µ
sec
4 Vp-p
1 V/DIV, 5
µ
s/DIV
2
T301, HRP301 (YEL)
40 Vp-p
10 V/DIV, 5
µ
s/DIV
1
IC801
os
(X1)
3.4 Vp-p
180 ns
1 V/DIV, 100 ns/DIV
1
IC101
ia
(RFi)
(CD PLAY mode)
1.3 Vp-p
200 mV/DIV, 500 ns/DIV
2
IC101
wf
(XO)
(CD PLAY mode)
59.1 ns
3.3 Vp-p
1 V/DIV, 20 ns/DIV
•
IC Block Diagrams
IC201 TK63115SCL-G@GT
– BD90 Board –
VIN 1
GND 2
VOUT
3
V REF
ON/OFF
CONTROL
THERMAL &
OVER CURRENT
PROTECTION
VCONT
5
4 NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VOL(+)
VOL(-)
RESET
OPIN
VO1(-)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VOL(-)
GND
OPOUT
MUTE
VCC
VCC
13.3K
13.3K
13.3K
13.3K
100
10K
10K
10K
T.S.D.
REGULATOR,BIAS
DROP
VO3(-)
VO3(+)
CH3
CH4
CH2
CH1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
VCC
INL3
INL4
AGND
DGND
REFIN
INL1
INR1
INR2
INR3
INR4
INL2
TREL
TRER
BASSL2
BASSL1
BASSR1
BASSR2
LOUT
ROUT
NC
NC
CLK
DATA
TONE CONTROL
BASS/TREBLE
SURROUND
INPUT
GAIN CONTROL
IGOUTR
IGOUTL
VOLINR
VOLINL
MUTE
MUTE
INPUT
GAIN
CONTROL
L ch
TONE CONTROL
BASS/TREBLE
R ch
MCU
I/F
0 - +12dB/2dB step
0 - +12dB
/2dB step
VOLUME
VOLUME
0 - -89dB.
0 - -89dB.
REF
INPUT
SELECTOR
INPUT
SELECTOR
SELECTOR
MODE
IC401 BA5826SFP-E2
IC321 R2S15904SP
– MAIN Board –
LOGIC
SW2
1
3
12
16
LOUT
V
CC
7
BIAS
8
GND
4
FK
SW1
L
L-R
R
L+R
5
TK
2
MIC
6
LIN
9 RIN
LP
11 LP
C
15 B
14 A
13 ROUT
10 LP
IC401 BA3837
