Pioneer PDP-42A3HD Service Manual page 43

5
S
TL955 Audio I2S out & Audio DAC
PR671
4 5
20 ADATAO0
3 6
20 SCLK
2 7
20 LRCLK
1 8
12 CLK_DAC_AUD
A5V
470*4
R671
3,5,12,14 nRESET
101
DF0 is high DF1 is low -> left justified
T
+3.3V
R273
OPEN-183
R264
3 PWM
273 C267
R272 334p
OPEN-183
5
6
A5V
C670
104p
U671
16
MUTEC
2
SDATA
3
SCLK/DEM1
4 15
LRCK AOUTL
9
FILT+
10
VQ
5
MCLK
6
DIF1
7 11
DIF0 REF_GND
8
DEM0
1 12
RST AOUTR
R670
CS4340-KS
101
New parts for clk (VCXO,audio and others)
changing library
#3 and #4 pin
connection
+3.3V
C264
120p
C261
C262 C263
104p 104p
47uF/16V
C268
6 ACLK_S0
6 ACLK_S1
6 ACLK_S2
OPEN_1uF/50V
6 FS1
GPIO132 ACLKS0
GPIO133 ACLKS1
GPIO134 ACLKS2
GPIO141 FS1
S0 S1 S2 CLK 2
0 0 0 8.1 92
0 0 1 11.28 96
0 1 0 12.2 88
0 1 1 16.93 44
1 0 0 18.4 32
1 0 1 16.3 84
1 1 0 22.57 92
1 1 1 24.5 76
6
7
C671
47uF/16V
VOL
R678
C675
000
C673
C674
C672
104p 1uF/50V
104p 1uF/50V
R677
000
VOR
C265
Y261 120p
27MHz/19.5pF
U261
1 16
X1 X2
R268 470
2 15
VDD 27M
3 14
VI 27M
4 13
GND VDD
5 12
S0 GND
R261 220
6 11
S1 ACLK
R262 220
7 10
S2 ACLK
R263 220
8 9
OE ACLK
MK2745-33G
PDP-42A3HD
7
8
L_ATSC 20
R_ATSC 20
27MHz 3
+3.3V
To audio DAC (CS4340) ACLK
CLK_DAC_AUD 7
ACLK 7
To TL955
12.288MHz
8
A
B
C
D
E
F
D10
43