Sony ICF-CDK70 - Currently Not Available, Service Manual

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ICF-CDK70
ICF-CDK70
30 30
• Waveforms • IC Block Diagrams
- CD Board -
IC701 BU9532KS2
- MAIN Board - - TU Board - - CD Board -
IC701 (FEO)
(CD play mode)
100 mV/DIV, 500 ns/DIV
Approx.
170 mVp-p
IC701
SL
(TEO)
(CD play mode)
100 mV/DIV, 500 ns/DIV
Approx.
110 mVp-p
IC701
FL
(XO)
1 V/DIV, 20 ns/DIV
59.1 ns
3.4 Vp-p
RB
IC2
X
(XOUT)
500 mV/DIV, 5
M
s/DIV
13.3
M
s
0.9 Vp-p
XT
IC801
PT
(X1)
1 V/DIV, 100 ns/DIV
240 ns
3.3 Vp-p
XB
IC801
RG
(X1A)
1 V/DIV, 10
M
s/DIV
30.6
M
s
3.2 Vp-p
AVDD1 1
DGND 39
XO
38
DVDD
36
XI
37
XPLCK 35
BUSY 32
MONI1 34
MONI0 33
RF SIGNAL
GENERATOR
SERVO
SIGNAL
GENERATOR
DIGITAL
SERVO
FILTER
x8 OVER
SAMPLING
DIGITAL
FILTER
1 bit D/A
CONVERTER
APC
AC
BD
VBIAS
E
F
2
3
4
5
6
FEN
FEO
8
9
PKC 7
BTC 10
ASY 13
PD
LD
11
12
PLL
PCO FCO
14 15
DIGITAL SERVO
SIGNAL
PROCESSOR
FDOUT
JUMPO
17 18
TDOUT
SDIN
19 20
CLK88
LON
23 24
RESETX 31
R/W 30
MCK 27
DOUT 29
DIN 28
CLK
SUBSYQ
25 26
DIGITAL
SIGNAL
PROCESSOR
COMMAND
INTERFACE
16k SRAM
SDOUT
CL
VOUT
21
EQO
52
RFI CAGC
51 50
TEN
49
TEO
48
AGND2 RDACO
44
AVDD2
40 43
VCDAC
42
LDACO
41
SC TZCRFM
47 46
RFRPRFM
45
22
AGND1
16
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
THERMAL
SHUT-DOWN
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VO3(+)
VO3(–)
VO4(–)
VO4(+)
RESETt
OPIN
VO1(–)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VO2(–)
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULA
TOR
VCC
VCC
IC702 BA5826SFP-E2