Sony HCD-DZ110 Service Manual page 54

HCD-DZ110/DZ111/DZ120/DZ120K
• IC Block Diagrams
– MAIN Board –
IC2200 PCM1803DBR
5 th Order
Single-End
VINL 1 Delta-Sigma
/Differential
Modulator
VINR 2 Converter
VERF1 3
VERF2 4
Reference
Single-End
5 th Order
/Differential
Delta-Sigma
Converter
Modulator
VCC 5
Power Supply
AGND 6
PDWN 7
BYPAS 8
FSYNC 9
LRCK 10
IC3010, IC3020, IC3030 CXD9788AR
48 47 46 45 44 43 42
∆ ∑ Converter
PWM
Clock Generator
(Secondary Clock System)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
HCD-DZ110/DZ111/DZ120/DZ120K
Serial
Interface
× 1/64 (× 1/128)
Decimation
Filter
with
DC Cut Filter
Mode/
Format
Control
Clock and Timing Control
41 40 39 38 37
Sampling Rate
Converter
Filter
Liner
&
Gain
Interpolator
DF2
LOW DF1 S P
Control
CUT
Filter
Clock Generator
(Primary Clock System)
INIT/MUTE Serial Control
28
21 22 23 24 25 26 27 29 30 31
20 MODE1
19 MODE0
18 FMT1
17 FMT0
16 OSR
– I/O Board
(DZ120/DZ120K) –
15 SCKI
IC352 MC14052BDR2
14 VDD
13 DGCD
12 DOUT
11 BCK
IC357 (DZ120K) M62429FP-TP
VIN2 VOUT2
8 7
VR 2
VOL AMP 2
36 XFSIIN
35 DVDD VOL AMP 1
REF AMP
34 TEST
33 BFVSS
VR 1
32 BFVDD
1 2
VIN1 VOUT1
54 54
IC3050 TK1118CSCL-G
5 4
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
CIRCUIT
BANDGAP
REFERENCE
1 2 3
– I/O SCART Board – I/O SCART Board (DZ110/DZ111) –
(DZ110/DZ111) –
IC201, IC230 BH7868FS-E2
IC350 MC14052BDR2
VCC1 1
S1 2
S2 3
C IN 4 BIAS 6dB
MUTE1 5 MUTE1
CV IN 6 CLAMP 6dB
SEL (CV/MIX) 7
Y IN 8 CLAMP 6dB
BIAS 9
BIAS
SEL (BIAS/CLAMP) 10
BIAS
PY/G IN 11
CLAMP
GND 12
VCC CLOCK
PB/B IN 13
BIAS 6dB
6 5
MUTE2 14 MUTE2
VREF
LOGIC
CONTROL
PR/R IN 15 BIAS 6dB
VCC2 16
3 4
GND DATA
6MHz
75Ω 32 C OUT
LPF
S-DC OUT
31 S-DC OUT
S1/S2
L
+
6MHz
LPF
75Ω 30 CV OUT
H
29 CV OUT SAG
28 GND
6MHz
LPF
75Ω
27 Y OUT
26 Y OUT SAG
25 GND
H
12MHz
6dB
LPF
75Ω 24 PY/G OUT
L
23 PY/G OUT SAG
22 GND
12MHz
LPF
75Ω 21 PB/B OUT
20 PB/B OUT SAG
19 GND
12MHz
LPF
75Ω 18 PR/R OUT
17 PR/R OUT SAG