Sony DVP-NW50 Service Manual page 59

DVD AMP BOARD U401 TAS5508PAGR (DIGITAL AUDIO PROCESSOR)
Pin No. Pin Name
1 VRA_PLL
2 PLL_FLT_RET
3 PLL_FLTM
4 PLL_FLTP
5 AVSS
6 AVSS_GR
7 VRD_PLL
8 AVSS_PLL
9 AVDD_PLL
10 VBGAP
11 RESET
12 HP_SEL
13 PDN
14 MUTE
15 DVDD
16 DVSS
17 VR_DPLL
18 OSC_CAP
19 XTL_OUT
20 XTL_IN
21 RESERVED
22 RESERVED
23 RESERVED
24 SDA
25 SCL
26 LRCLK
27 SCLK
28 SDIN4
29 SDIN3
30 SDIN2
31 SDIN1
32 PSVC
33 VR_DIG
34 DVSS
35 DVSS
36 DVDD
37 BKND_ERR
38 DVSS
39 VALID
40 PWM_M_1
41 PWM_P_1
42 PWM_M_2
43 PWM_P_2
44 PWM_M_3
45 PWM_P_3
46 PWM_M_4
47 PWM_P_4
48 VR_PWM
I/O
— Voltage reference for PLL analog supply 1.8 V
O PLL external filter return
O PLL negative output
I PLL positive input
— Analog ground
— Analog ground
— Voltage reference for PLL digital supply 1.8 V
— Analog ground for PLL
— 3.3V analog power supply for PLL
— Band gap voltage reference
I System reset input
I Headphone in/out selector (not used)
I Power down (not used)
I Soft mute of input (not used)
— Digital power 3.3V supply for digital core and most of I/O buffers
— Digital ground for digital core and most of I/O buffers
— Voltage reference for digital PLL supply 1.8 V
I Oscillator capacitor
O Oscillator output
I Oscillator input
— Connect to digital ground
— Connect to digital ground
— Connect to digital ground
2
I/O I C serial control data interface input / output
2
I I C serial control clock input
I Serial audio data
I Serial audio data clock (shift clock) SCLKIN
I Serial audio data 4 input
I Serial audio data 3 input
I Serial audio data 2 input
I Serial audio data 1 input
O Power supply volume control PWM output
— Voltage reference for digital core supply 1.8 V
— Digital ground
— Digital ground
— 3.3V digital power supply
I A backend error sequence
— Digital ground
O Output indicating validity of PWM outputs active high
O PWM 1 output (differential –)
O PWM 1 output (differential +)
O PWM 2 output (differential –)
O PWM 2 output (differential +)
O PWM 3 output (differential –)
O PWM 3 output (differential +)
O PWM 4 output (differential –)
O PWM 4 output (differential +)
— Voltage reference for digital PWM core supply 1.8 V
Description
DVP-NW50
59