Sony PMC-DR50 Service Manual page 32
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Also See for PMC-DR50:
- Operating instructions manual (48 pages) ,
- Service manual (54 pages)
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3 7 6 3 1 5 1 5 0
IC Block Diagrams – MAIN SECTION (2/3) –
r
IC301 TA2068N
IC305 BA338
24
23
22
21
20
19
18
17
16
15
14
13
1k
1k
10k
10k
1k
LOGIC
MONITOR
MONITOR
15k
10k
AMP
AMP
6k
6k
10k
7dB
7dB
10k
LINE
LINE
BUF AMP
BUF AMP
10k
10k
B1
B2
TAPE
TAPE
10k
10k
BUF AMP
BUF AMP
A2
A1
MIC
10k
MUTE
10k
10k
10k
AMP1
ON
ALC1
ALC2
NAB
NAB
AMP1
26dB
26dB
AMP2
1k
REC
DET
REC
AMP1
AMP2
10k
2.1
REF AMP
1
2
3
4
5
6
7
8
9
10
11
12
T E
IC302 BH3854AS
L
1 3 9 4 2 2 9 6 5 1 3
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
TONE
VR
MATRIX
CONTROL
SURROUND
VR
TONE
1
2
3
4
6
7
8
9
10
11
12
13
14
15
5
w w w
– 62 –
IC Block Diagrams – CD SECTION –
r
IC701 CXA1992BR
39
38
9 8 7 6 5 4 3
2 1
PD2 IV
PD1 IV
AMP
PRE AMP
AMP
F. BIAS
40
VCC
COMPARATOR
S
B+
Q
F
41
R
COMPARATOR
F IV AMP
F.F.
VCC
42
E
E IV AMP
COMPARATOR
EI
43
VEE
GND
44
VEE
45
TO
E-F BALANCE
LPFI
46
WINDOW COMP.
47
TI
48
ATSC
ATSC
WINDOW
COMP.
17
49
TZC
DFCT
TZC COMP.
TM1
50
TDFCT
VCC
51
VC
VEE
VCC
FZC
52
16
FZC COMP.
1
2
IC702 BA6898FP
28
27
26
25
24
23
D
D
LEVEL SHIFT
T. S. D.
x
a o
REGULATOR, BIAS,
y
T. S. D. MONITOR
.
i
LEVEL SHIFT
D
D
1
2
3
4
5
6
http://www.xiaoyu163.com
37
36
35
34
33
32
31
30
29
28
27
VEE
RF
SUMMING
AMP
APC
IIL
VEE
↓
LASER POWER CONTROL
TTL
VCC
FE AMP
VCC
VEE
DFCT
VEE
LEVEL S VEE
FO. BIAS
WINDOW
VCC
IIL
MIRR
COMP.
↓
TTL
TTL
FOK
↓
TRK. GAIN
WINDOW COMP.
IIL
FOH
FOL
TGH
IIL DATA REGISTER,
TGL
INPUT SHIFT REGISTER,
BALH
ADDRESS DECODER,
BALL
SENS SELECTOR,
ATSC
Q
Q
OUTPUT DECODER
3
7
6
TZC
FZC
DFCTO IFB1-6
FS1-4
TG1-2 TM1-7 PS1-4
ISET
BAL1-4
TOG1-4
VCC
VCC
TRACKING
TG1
PHASE COMPENSATION
TM4
TM6
VCC
TM7
FOCUS
FS1
TM3
PHASE COMPENSATION
VEE
VEE
FS2
DFCT
Charge
FSET
up
TG2
FS4
VEE
3
4
5
6
7
8
9
10
11
12
13
22
21
20
19
18
17
16
15
NC
VCC
VCC
D
D
LEVEL SHIFT
DRIVER
u 1 6 3
MUTE
LEVEL SHIFT
D
D
7
8
9
10
11
12
13
14
– 63 –
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2
4
8
9
9
IC751 CXD2589Q
60
59 58 57
56
55
54 53 52 51 50
VDD
61
SYSM
62
SERIAL-IN
PWM
INTERFACE
26
SENS2
AVSS
63
24
SENS1
OVER SAMPLING
DIGITAL FILTER
AVDD
64
24
C. OUT
23
XRST
65
3rd-ORDER
AOUT1
NOISE SHAPER
AIN1
66
LOUT1
67
22
DATA
68
AVSS
XVDD
69
TIMING
70
XTAI
LOGIC
21
XLT
SUB CODE
PROCESSOR
PWM
XTAO
71
20
CLK
19
LOCK
XVSS
72
DIGITAL
OUT
3
1
5
1
5
0
8
9
VCC
18
VCC
AVSS
73
17
ISET
LOUT2
74
AIN2
75
76
16
SLO
AOUT2
77
AVDD
SL-
15
78
AVSS
CPU
INTERLACE
TM5
XRST
79
14
SL+
VDD
80
TM2
1
2 3
4
5
6
7
8
9
IC651 TA8409S
STANDBY
BLOCK
m
c o
.
HEAT
CUT OFF
BLOCK
1
2
3
4
5
6
7
IN2
VCC
OUT2
NC
GND
VS
OUT1
2
8
9
9
49
48
47
46
45
44
43
42
41
40
LRCKI
39
LRCK
38
ASYO
37
ASYI
EFM
ASYMMETRY
DEMODULATOR
CORRECTOR
36
BIAS
35
RF
34
AVDD
33
CLTV
ERROR
16K
CORRECTOR
RAM
32
AVSS
DIGITAL
31
FILI
PLL
30
FILO
29
PCO
D/A
INTERFACE
2
4
9
8
2
9
9
28
VCTL
OSC
27
V16M
26
VCKI
CLOCK
25
VPCO
GENERATOR
24
TES1
23
TEST
22
PWMI
DIGITAL
SERVO
CLV
AUTO
21 MDP
SEQUENCER
10
11
12
13
14
15
16
17
18
19
20
VREF
BLOCK
8
9
VREF
IN1
– 64 –
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