Ic27 : Cs4900 Family; Ic21 : Bd3812F - Marantz sr4001 Service Manual

IC21 : BD3812F

zElectrical Characteristics (Unless otherwise noted, Ta=25qC, V
RL=10k: Rg=600: Master volume=0dB, Output gain=0dB)
Parameter Symbol Min.
7pin
−
Circuit current IQ
5pin
−2
Output voltage gain G
V
−
Total harmonic distortion ratio THD
Maximum output voltage Vomax 3.4
−
Output noise voltage Vno
Input impedance Rin 20
−
Cross-talk between channels CTC
−106
Volume control range GVR
−
Maximum attenuation Vmin
Output gain control range GOG 16
z z Application circuit diagram
10µ
1
IN 1
2
AGND
IN 2 3
10µ
4
AGND
V 5
EE
47µ
+
6
AGND
47µ
+
V 7
CC
=7V, V =-7V, f=1kHz, V =1Vrms,
CC EE IN
Typ. Max. Unit Conditions
2 6 mA No signal
+2
0 dB Measure : Pin13, 14
0.005 0.09 % Measure : Pin13, 14, BW=400∼30kHz
−
4.2 Vrms Measure : Pin13, 14, THD=1%
μVrms
1.2 5 Measure : Pin13, 14, Rg=0Ω, BW=ΙHF−A
k Ω
30 40 Measure : Pin1, 3
Measure : Pin13(OUT2), Rg=0Ω, BW=IHF−A,
−100 −70
dB
Reference : Pin14(OUT1)=1Vrms
−103 −100 =3Vrms
dB Measure : Pin13, 14, V
IN
−118 −105 =3Vrms
dB BW=IHF−A, Measure : Pin13, 14, V
IN
=0.4Vrms
18 20 dB Measure : Pin13, 14, V
IN
14 OUT1
+
−
13 OUT2
12 SEL
+
−
11
DGND
MUTE
10
DA
9
LOGIC
8 CL
BD3812F

IC27 : CS4900 Family

Pin
I/O Function Description
No.
1 I/O UHS0, GPIO18 Mode Select Bit 0, General Purpose I/O
2 I/O UHS1, GPIO19 Mode Select Bit 1, General Purpose I/O
3 INTREQ Control Port Interrupt Request
4 I FA1, FSCDIN Host Address Bit One or SPI Serial Control Data Input
5 I/O GPIO20 General Purpose I/O
6 I FA0, FSCCLK Host Parallel Address Bit Zero or Serial Control Port Clock
7 I/O FHS2, Mode Select Bit 2 or Serial Control Port Data Input and
FSCDIO, Output, Parallel Port Type Select
FSCDOUT
8 I/O GPIO21 General Purpose I/O
9 FDAT7 DSP AB Bidirectional Data Bus
10 VDD6 2.5V Supply Voltage
11 VSS6 2.5V Ground
12 FHS0, FWR, Mode Select Bit 0 or Host Write Strobe or Host Data Strobe
FDS
13 O FHS1, FRD, Mode Select Bit 1 or Host Parallel Output Enable or Host
FR/W Parallel R/W
14 FDAT6 DSP AB Bidirectional Data Bus
15 I FCS Host Parallel Chip Select, Host Serial SPI Chip Select
16 O FINTREQ Control Port Interrupt Request
17 FDBCK Reserved
18 FDAT5 DSP AB Bidirectional Data Bus
19 FDAT4 DSP AB Bidirectional Data Bus
20 VDD7 2.5V Supply Voltage
21 VSS7 2.5V Ground
22 FDAT3 DSP AB Bidirectional Data Bus
23 FDBDA Reserved
24 FDAT2 DSP AB Bidirectional Data Bus
25 DBDA Debug Data
26 DBCK Debug Clock
27 FDAT1 DSP AB Bidirectional Data Bus
28 TEST Reserved
29 FDAT0 DSP AB Bidirectional Data Bus
30 I/O NV_WE, SRAM Write Enable, General Purpose I/O
GPIO16
31 I/O NV_OE, SRAM Output Enable, General Purpose I/O
GPIO15
32 I/O NV_CS, SRAM Chip Select, General Purpose I/O
GPIO14
33 SD_WE SDRAM Write Enable
34 SD_DATA0, SDRAM Data Bus, SRAM External Data Bus
EXTD0
35 SD_DATA1, SDRAM Data Bus, SRAM External Data Bus
EXTD1
36 SD_DATA2, SDRAM Data Bus, SRAM External Data Bus
EXTD2
37 SD_DATA3, SDRAM Data Bus, SRAM External Data Bus
EXTD3
38 SD_DATA4, SDRAM Data Bus, SRAM External Data Bus
EXTD4
39 SD_DQM0 SDRAM Data Mask 2
40 SD_DATA5, SDRAM Data Bus, SRAM External Data Bus
EXTD5
41 VSSSD4 3.3V SDRAM/SRAM/EPROM Interface Ground
42 VDDSD4 3.3V SDRAM/SRAM/EPROM Interface Supply
43 SD_DATA6, SDRAM Data Bus, SRAM External Data Bus
EXTD6
44 SD_DATA7, SDRAM Data Bus, SRAM External Data Bus
EXTD7
45 SD_DQM1 SDRAM Data Mask 1
46 SD_DATA15, SDRAM Data Bus, SRAM External Address Bus
EXTA18
47 SD_DATA14, SDRAM Data Bus, SRAM External Address Bus
EXTA17
48 NC5 No Connect
49 SD_DATA13, SDRAM Data Bus, SRAM External Address Bus
EXTA16
50 VSSSD3 3.3V SDRAM/SRAM/EPROM Interface Ground
51 VDDSD3 3.3V SDRAM/SRAM/EPROM Interface Supply
52 SD_DATA12, SDRAM Data Bus, SRAM External Address Bus
EXTA15
53 SD_DATA11, SDRAM Data Bus, SRAM External Address Bus
EXTA14
54 SD_DATA10, SDRAM Data Bus, SRAM External Address Bus
EXTA13
55 SD_DATA9, SDRAM Data Bus, SRAM External Address Bus
EXTA12
56 SD_DATA8, SDRAM Data Bus, SRAM External Address Bus
EXTA11
57 VSSSD2 3.3V SDRAM/SRAM/EPROM Interface Ground
58 VDDSD2 3.3V SDRAM/SRAM/EPROM Interface Supply
59 O SD_CLK_OUT SDRAM Clock Output
60 SD_ADDR9, SDRAM Address Bus, SRAM External Address Bus
EXTA9
63