Philips HTS3325/51 Service Manual page 31

Overview - Modulator, Input/Output and Headphone/Line Output
Connectors
For information only (Amp Board)
5
POWER OUTPUT STAGE (BTL)
D
GVDD
/TW
C
/SD
PWM_A
/RESET_AB
PWM_B
PWM_C
/RESET_CD
PWM_D
VDD
B
GVDD
A
Mode Table
M2 M1 Type Description
L L 2xBTL Full Protection, 2N+2 mode
L H 2xBTL No OLP - Latching Shutdown, 2N + 2, No Pulse Stretcher
H L 2xBTL Full Protection, 1N + 2 mode
H H 1xPBTL Full Protection, 1N + 2 mode (PBTL)
5
3139 785 32070
4
C201 C201
100nF 100nF
0603 0603
U200 U200
1 44
GVDD_B
GVDD_A
GND
2 43
OTW BST_A
3 42
NC NC
4 41
NC PVDD_A
GND
5 40
SD PVDD_A
6 39
PWM_A OUT_A
7 38
RESET_AB GND_A
8 37
PWM_B GND_B
R205 15k R205 15k
GND
9 36
2 1
OC_ADJ OUT_B
0603 0603
10 35
GND PVDD_B
C202 C202
11 34
AGND BST_B
100nF 100nF
GND
0603 0603 12 33
VREG BST_C
13 32
M3 PVDD_C
14 31
M2 OUT_C
15 30
M1 GND_C
16 29
PWM_C GND_D
GND
17 28
RESET_CD OUT_D
18 27
PWM_D PVDD_D
19 26
NC PVDD_D
20 25
NC NC
GND
21 24
VDD BST_D
22 23
GVDD_C GVDD_D
C204 C204
100nF 100nF TAS5142DDV TAS5142DDV
0603 0603
GND
C205 C205
100nF 100nF
0603 0603
GND
4
8 EN 31
3
1 2
L270 L270
C213 C213
100nF 100nF
0603 0603
50V 50V
GND
1 2
L271 L271
C215 C215
100nF 100nF
0603 0603
50V 50V
GND
L230 L230
10uH 10uH
1
Kwang Sung Kwang Sung
8020P-02-100L 8020P-02-100L
1 2
C210 C210 0603 0603
33nF 33nF 25V 25V
L231 L231
10uH 10uH
1
C209 C209 0603 0603 Kwang Sung Kwang Sung
33nF 33nF 25V 25V 8020P-02-100L 8020P-02-100L
1 2
1 2
C208 C208 0603 0603 L250 L250
33nF 33nF 25V 25V 10uH 10uH
1
Kwang Sung Kwang Sung
8020P-02-100L 8020P-02-100L
C207 C207 0603 0603
33nF 33nF 25V 25V
1 2
L251 L251
10uH 10uH
1
Kwang Sung Kwang Sung
8020P-02-100L 8020P-02-100L
1 2
L272 L272
C217 C217
100nF 100nF
0603 0603
50V 50V
GND
1 2
L273 L273
C219 C219
100nF 100nF
0603 0603
50V 50V
LAYOUT NOTE
Lx72 AND Lx73
GND ARE A TRACK
IN THE PCB.
W: TBD MM
L: TBD MM
3
2
2
R232 R232
3.3R 3.3R
0603 0603
C239 C239
C233 C233 C237 C237 R234 R234 1nF 1nF C235 C235
Not Used Not Used 10k 10k 0603 0603 10nF 10nF
0603 0603 100nF 100nF 1206 1206 0603 0603 50V 50V 0603 0603
C232 C232 50V 50V 50V 50V
50V 50V
470nF 470nF
Vishay Vishay
63V 63V C234 C234 C238 C238 R235 R235 C236 C236
Not Used Not Used GND 10k 10k 10nF 10nF GND
100nF 100nF 1206 1206 0603 0603
0603 0603 0603 0603
50V 50V 50V 50V C240 C240 50V 50V
1nF 1nF
0603 0603 R233 R233
50V 50V 3.3R 3.3R
0603 0603
2
2
R252 R252
3.3R 3.3R
0603 0603
C259 C259
R254 R254
C253 C253 C257 C257 1nF 1nF C255 C255
Not Used Not Used 10k 10k 0603 0603 10nF 10nF
0603 0603 100nF 100nF 1206 1206 0603 0603 50V 50V 0603 0603
C252 C252
50V 50V 50V 50V 50V 50V
470nF 470nF
Vishay Vishay
63V 63V C254 C254 C258 C258 R255 R255 C256 C256
Not Used Not Used GND 10k 10k 10nF 10nF GND
0603 0603 100nF 100nF 1206 1206 0603 0603
0603 0603
50V 50V 50V 50V C260 C260 50V 50V
1nF 1nF
0603 0603 R253 R253
50V 50V 3.3R 3.3R
0603 0603
2
C274 C274 C275 C275
470uF 470uF 470uF 470uF
GND
2
1
D
PVDD
OUT_A
C
OUT_B
OUT_C
B
OUT_D
PVDD
A
A774-SCH-004(3.00)_sh4_7.pdf_031806
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