Philips HTS7201 Service Manual page 34

CIRCUIT DIAGRAM
C1 A3 C11 C4 C13 C4 C4 B4 C6 A4 C8
C10 C3 C12 C4 C3 C2 C5 B4 C7 B4 C9
R1
82
D1
A
POWE R
B
TA 1
TA 7
OPEN
C
SEN1 N
9 - 2
B2 D1 A1 D3 A1 D5 A2 D7 A3 D9 A3 R1
B2 D2 A1 D4 A2 D6 A2 D8 A2 IC1 B3 R10 C2
1
R2 R3 R4
R5
82 82 82
82
D2 D3 D4
SOURCE VOL_ DOW N VOL _UP STOP
SEN0 N
TA 2 TA 3 TA 4
TA 6
R9 R1 0 R1 1 R1 2
PLAY
TA 5
1K 1K 1K 1K
STOP
1
A1 R11 C2 R13 C2 R17 B4 R19 C4 R20 B4
R12 C2 R16 B4 R18 C4 R2 A1 R21 B4
2 3
R6 R7
C1
82 82
475
D5 D6 D7
PLAY
OPEN
D8
R8
2 1
L_ STANDB Y
Standb y 1K
IC 1
IC _E KT 4701_P24
1
SEN1 P SEN1 N
2
SEN0 P SEN0 N
3
L_ STANDB Y
L_ST B L_SOURCE
L_POWE R 4
L_POWE R L_PLAY
L_VOL - 5
L_VOL - Vr ef
L_VOL + 6
L_VOL + L_STOP
7
/RESET I2C_CL K
8
VS S VDD
9
I2C_DAT A PGM_DAT
10
DRV0
DRV0 PGM_CL K
11
DRV1
DRV1 L_OPEN
12
DRV2
DRV2 DRV3
C2
NC
C3 104
3VDD
R1 3 150K
2 3
9 - 2
R22 B4 R24 C4 R4 A2 R6 A2 R8 B3 RB1 A4
R23 C4 R3 A1 R5 A2 R7 A3 R9 C2
4
D9 FM140
RB1
RB6 /20
C6
475
+5VS_ LED
BK3V 3
R2 0
C5
SEN1 N
R_ 10
475
SEN0 N
C4
475
R1 7
C7
24
23 3K
103
22 L_SOURCE
21 L_PLAY
R1 6 2K
20
19 L_STOP
18
17
16
PGM_DAT
15 PGM_CLK
14 L_OPEN
13
DRV3
R1 8 R1 9
5.1K 5.1K
C10 C13
104 475
R1 4 R2 3
NC 0R
R1 5 R2 4
NC 0R
SW upgrad e
CN 1
4
A
R2 1 R2 2
33 33
B
C
C11 C12
33p 33p