Sony CMT-DH3 / CMT-DH5BT / CMT-DH7BT / HCD-DH3 / HCD-DH5BT / HCD-DH7BT Service Manual ▷ View online
57
HCD-DH3/DH5BT/DH7BT
•
IC Block Diagrams
– DMB15 Board –
IC105, 107 TK11133CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
IC301 AK4358VQ-L
SCF
DAC
DATT
SCF
DAC
DATT
37
LOUT4–
38
LOUT4+
SCF
DAC
DATT
39
ROUT3–
40
ROUT3+
SCF
DAC
DATT
41
LOUT3–
42
LOUT3+
SCF
DAC
DATT
43
ROUT2–
44
ROUT2+
SCF
DAC
DATT
45
LOUT2–
46
LOUT2+
SCF
DAC
DATT
SCF
DAC
DATT
47
ROUT1–
48
ROUT1+
DSD
PCM
AUDIO
I/F
I/F
8
PDN
5
DZF1
6
CAD0
3
DZF3
4
DZF2
1
LOUT1–
2
LOUT1+
9
BICK
10
MCLK
11
DVDD
12
DVSS
13 SDTI4
14 SDTI1
15 SDTI2
16 SDTI3
17 LRCK
CONTROL
REGISTER
18 I2C
25
DSDL1
26
DSDR1
33
ROUT4+
32
ROUT4–
27
DSDL2
28
DSDR2
29
DSDL3
30
DSDR3
19 CCLK/SCL
21 CSN/CAD1
20 CDTI/SDA
24 DSDR4
22 DCLK
23 DSDL4
31
DIF0
7
ACKSN
36
AVSS
35
AVDD
34
VREFH
58
HCD-DH3/DH5BT/DH7BT
IC952 TK63115SCL-G@GT
– VIDEO Board –
IC501 MM1623BFBE
1
VCC1
2
C IN
3
MUTE 1
4
CVBS IN
28 VCC2
23 CVBS OUT
25 S1
150k
Ω
BIAS
12
CB IN
150k
Ω
BIAS
CLAMP
6dB
6dB
6
Y IN
7
GND
8
BIAS
CLAMP
BIAS
6dB
9
I/P
10
CY IN
11
CLP
13
MUTE2
5
YC MIX
+
6dB
–6dB
6dB
27 S-DC OUT
24 S2
LOW-PASS
FILTER
21 Y OUT
22 GND2
6.75MHz
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
75
Ω
DRIVER
20 CY OUT
75
Ω
DRIVER
S-DC OUT
S1/S2
26 C OUT
LOW-PASS
FILTER
6.75MHz
75
Ω
DRIVER
CLAMP
150k
Ω
BIAS
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
18 CB OUT
19 GND2
17 GND2
15 GND2
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
14
CR IN
150k
Ω
BIAS
16 CR OUT
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
6dB
6dB
– USB Board –
IC915 R5523N001B-TR-F
1
EN
2
GND
3
FLG
4
IN
5
OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
THERMAL &
OVER CURRENT
PROTECTION
VOLTAGE
REFERENCE
ON/OFF
CONTROL
VIN 1
GND 2
VCONT 3
NC
4
VOUT
5
+
–
59
HCD-DH3/DH5BT/DH7BT
IC302 MC14052BDTR2
IC401 R2S15904SP
– MAIN Board –
IC102 PST3629NR
VDD 2
OUT 1
GND 3
+
–
VREF
CD
5
NC
4
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y0
1Y2
VCC
1Y1
1-COM
1Y0
1Y3
A
B
GND
GND
INH
2Y1
2Y3
2-COM
2Y2
24
23
22
MCU
I/F
TONE CONTROL
L-CH BASS/TREBLE
SURROUND
21
20
25
26
27
28
INR4
LOUT
ROUT
AGND
VCC
REFIN
DATA
CLK
DGND
TRER
TREL
NC
BASSL2
NC
INR3
INPUT
SELECTOR
INPUT
SELECTOR
INPUT GAIN
CONTROL
INPUT GAIN
CONTROL
MUTE
MUTE
REF
MODE
SELECTOR
VOLUME
VOLUME
INR2
INR1
INL1
INL2
INL3
INL4
IGOUTL
VOLINL
IGOUTR
VOLINR
BASSR1
BASSL1
BASSR2
19
18
17
16
15
1
2
3
5
6
7
8
9
4
10
11
12
13
14
TONE CONTROL
R-CH BASS/TREBLE
VIN 1
CE 3
VSS 2
NC
4
VOUT
5
+
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
– BT Board –
IC903 XC6213B232MR
60
HCD-DH3/DH5BT/DH7BT
– XM Board –
IC041 AK4384ET-E2
1
2
3
4
5
7
6
8
9
10
12
13
14
15
16
11
CLOCK
DRIVER
SCF
LPF
LPF
SCF
LPF
LPF
ATT
ATT
DE-ENPHASIS
CONTROL
8X
INTERPOLATOR
8X
INTERPOLATOR
AUDIO
DATA
INTERFACE
µ
P
INTERFACE
∆Σ
MODULATOR
∆Σ
MODULATOR
MCLK
DZFL
DZFR
DZFR
VDD
VSS
VCOM
VCOM
AOUTL
AOUTR
P/S
BICK
SDTI
SDTI
LRCK
PDN
SMUTE/CSN
ACKS/CCLK
DIF0/CDTI
IC702 NJM2871BF33-TE2
IC704 NJM2871BF18-TE2
IC704 NJM2871BF18-TE2
– AMP Board –
IC701 PCM1803DBR
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
VINL 1
VINR 2
VREF1 3
VREF2 4
VCC
AGND
5
6
BYPAS 8
TEST 9
LRCK 10
REFERENCE
×
1/64,
×
1/128
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
MODE1
20
MODE0
19
FMT1
18
FMT0
17
OSR
16
SCKI
15
VDD
14
DGND
13
DOUT
12
BCK
11
CLOCK & TIMING CONTROL
POWER
SUPPLY
PDWN 7
5
VIN
4
VOUT
2
GND
3
NOISE
BYPASS
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
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