Philips HTB9245D, Service Manual

Page: 29 / 40

7 - 2 7 - 2
CIRCUIT DIAGRAM
R17
3K
C10
104
R2
82
D7
OPEN
D5
STOP
D3
VOL_DOWN
R7
82
R18
5.1K
R1
82
R5
82
R3
82
C9
222
D4
VOL_UP
D1
POWER
C1
475
R13 10K
D6
PLAY
C8
222
R19
5.1K
R16 2K
R6
82
C4
475
D2
SOURCE
R4
82
R20
0
R22
33
C11
33p
C6
475
C5
475
R21
33
C12
33p
C2
104
D8
Standby
R8
1K
D9
FM140
C7
103
R15 10K
R14
10K
C13
475
RB1
TA1
STANDB
Y
TA2
SOURCE
TA3
VOL_DOW
N TA4
VOL_U
P
TA7
OPEN TA6
PLAY TA5
STOP
R9
1K R10
1K R11
1K
R12
1K
CN1 CN8/110
D10
VOL
R23
82
JP10
Proximity Head
R24 1K
C14
224
JP11
Shield Head
*1
IC1 IC_EKT4701_P32
R25
0
R29 0
R28 0
PGM_DAT PGM_CLK
DRV0
DRV1
DRV2
DRV3
PGM_CLK
+5.5V_LED
BK3V3
DAT CL
K
SEN1N
SEN0N
SEN0N
SEN1N
3VDD
L_
P
O
W
ER
L_POWER
L_
VOL
-
L_
SOURCE
L_SOURCE
L_PLAY
L
_
PLAY
L_
OPEN
L_OPEN
L_STOP
L_
VOL
+
L
_
STOP
Pxy_VF
Pxy_TPB
Pxy_VF
Pxy_TP
A
Pxy_TPB
I2C_DAT
I2
C_DAT
I2
C_CL
K
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1 2
1 2 3 4 5
DR
V
DR
V
DR
V
DR
V
DR
V
DR
V
DR
V
1 2 3 4 5 6 7 8
1
2
1
1
SEN1P
24
SEN0
P
25
/RESET
30
VS
S
31
I2
C_DAT
A
32
DRV0
1
PGM_CLK
6
PGM_DAT
7
I2
C_CL
K
13
Vref
15
SEN0N
18
SEN1N
19
DRV1
2
DRV2
3
DRV3
4
P72
22
P56
23
P73
21
P74
20
NC
8
NC
9
NC
10
NC
11
L_
S
T
B
26
L
_
POWE
R
27
L_
VOL
+
29
L_
VOL
-
28
L
_
STOP
14
L
_
PLAY
16
L_SOURCE
17
L_OPEN
5
SW upgrad e
VDD
12
Connect to Host end for ISP used