Sony HBD-DZ340M, Руководство по обслуживанию

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HBD-DZ340M/DZ640M/DZ840K/DZ840M/DZ940K
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MAIN BOARD (8/9) IC3001 CXD9926ATQ (S-MASTER PROCESSOR, A/D CONVERTER, INPUT SELECT)
Pin No. Pin Name I/O Description
1 DVDD_PWM2 — Power supply terminal (+3.3V)
2, 3
PWM2_RD,
PWM2_RI
O Digital audio signal output terminal
4, 5 PWM3_LD, PWM3_LI O Digital audio (R-ch) signal output to the digital power amplifi er
6 DVSS_PWM3 — Ground
7 DVDD_PWM3 — Power supply (+3.3V)
8, 9
PWM3_RD,
PWM3_RI
O Digital audio (L-ch) signal output to the digital power amplifi er
10 VALID/SYNC O Valid signal output to the system controller Not used
11 DVDD2 — Power supply (+3.3V)
12 DVSS2 — Ground
13 XVREG_EN I Voltage regulator enable signal input terminal “L”: regulator on Fixed at “L” in this set
14 STEST I Test terminal
15 MCLKOUT O Master clock signal output Not used
16 LRCLKOUT O L/R sampling clock signal Not used
17 SCLKOUT O Bit clock signal output Not used
18 SDOUT1 O Serial audio data output Not used
19 SDOUT2/SPDIF_OUT O Serial audio data or SPDIF signal output
20 SPDIF_IN I SPDIF signal input terminal Not used
21 to 23 SDIN3 to SDIN1 I Serial audio data input
24 LRCLKIN I L/R sampling clock signal input
25 SCLKIN I Bit clock signal input
26 MCLKIN I Master clock signal input
27 DVSS_DPLL — Ground
28 VR_DIG2 — External capacitor connection terminal for in1.8V regulator
29 DVDD3 — Power supply (+3.3V)
30 DVSS3 — Ground
31 I2C_SDA2 I/O Two-way I2C data bus input/output Not used
32 I2C_SCL2 I I2C clock signal input Not used
33 I2C_SDA1 I/O Two-way I2C data bus with the system controller
34 I2C_SCL1 I I2C clock signal input from the system controller
35 CS I Chip select signal input Not used
36, 37 GPIO1, GPIO2 I/O Not used
38 /MUTE I Muting on/off control signal input from the system controller “L”: muting on
39 /RESET I Reset signal input from the system controller “L”: reset
40 DVSS4 — Ground
41 VR_DIG3 — External capacitor connection terminal for in1.8V regulator
42 DVDD4 — Power supply (+3.3V)
43 LINEIN1L I Analog audio (L-ch) signal input
44 LINEIN1R I Analog audio (R-ch) signal input
45 AVSSLI1 — Ground terminal
46 LINEIN2L I Analog audio (L-ch) signal input
47 LINEIN2R I Analog audio (R-ch) signal input
48 AVDD_LI1 — Power supply (+3.3V)
49 LINEIN3L I Analog audio (L-ch) signal input Not used
50 LINEIN3R I Analog audio (R-ch) signal input Not used
51 LINEIN4L I Analog audio (L-ch) signal input Not used
52 LINEIN4R I Analog audio (R-ch) signal input Not used
53 AVDD_LI2 — Power supply (+3.3V)
54 LINEIN5L I Analog audio (L-ch) signal input Not used
55 LINEIN5R I Analog audio (R-ch) signal input Not used
56 AVSS_LI2 — Ground
57 LINEIN6L I Analog audio (L-ch) signal input
58 LINEIN6R I Analog audio (R-ch) signal input
59 AVSS_ADC/REF — Ground terminal
60 LINEIN7L I Analog audio (L-ch) signal input Not used
61 LINEIN7R I Analog audio (R-ch) signal input Not used
62 AVDD_ADC — Power supply terminal (+3.3V)
63 LINEIN8L I Analog audio (L-ch) signal input Not used