Main Board Circuit Diagram - Philips BTM2310 Service Manual

5

MAIN BOARD CIRCUIT DIAGRAM

D
OUT_L C404 4.7uF
C420
470PF/NC
OUT_R C405 4.7uF
C419
470PF/NC
C
MUTE
PLAY
AMP_VCC
R413
AUDIO_MUTE D400 1N4148 10K 1
MUTE H
C418 R414
0.1uF 100K
Unmute L
B AMP_MUTE R425 NC/1K
AMP_VCC
A
5
4
AMP_VCC
AMP_VCC
1
PVCCL1
C415 C414 3
PVCCL2
0.1uF 0.1uF
5
LIN
8
8
AGND1
9
9
AGND2
6
RIN
AMP-MUTE
4
MUTE
AMP_STBY
2
SDZ
7
BYP
11
VCLAMP
MUTE
10
PVCCR1
12
PVCCR2
R411
100K
+ +
R410
220K
R412
100K
Q400
1
2N3904
Q401
2N3904 AMP_MUTE
AMP_STANDBY
A_MUTE R423 0R D402
1
BAT54C
2 AMP_MUTE
D401
BAV99 R421 3
100K
R422 47K Q402
1
S8550
+
R420 EC405
4.7K 22uF/50V
ZD400 EC406
AMPLIIER MUTE
15V + 220uF/25V
4
3
R405 220R
IC400
C422
330pF
24
PVSSL1
23 R408
PVSSL2
10R
22 1 2
OUTL
L400
C402
22uH/3.5A
0.22uF
21
BSL
C408 C409 +
R403 0.1uF 0.1uF EC402
20
AVCC1
19 1K/NC 100uF/25V
AVCC2
R402 0R
18
GAIN0
R404 0R
17
GAIN1
C403
0.22uF
16
BSR
L401
22uH/3.5A
15 2 1
OUTR
R409
14 10R
PVSSR1
13
PVSSR2
C423
330pF
R418 100K AMP_VCC
R419 10K AMP_STBY
D403 STANDBY 0
BAT54C
R417 1K 1 POWER 1
Q403
2 shutdown 1 2N3904
R416 4.7K 3 R424
NC
R142
R415 -A5V 100K
100K
C421 0.1uF AMP_GND
FB400 1000RH
3
2
OFF PAGE
DATA CONNECTION
OUT_R
OUT_L
AUDIO_MUTE
A_MUTE
AMP_STANDBY
POWER CONNECTION
EC400
680uF/16V OUT_L+ OUT_L+ -A5V
M33V
AMP_VCC
GND
C400 AMP_GND
R400
0.68uF/100V C416
R406
1K 0.1uF
1K
C401
R401
0.68UF100V
1K R407
C417
1K
0.1uF
EC401 OUT_L+
680uF/16V OUT_R+
OUT_R+
2
1
D
OUT_R (2)
OUT_L (2)
AUDIO_MUTE (1)
A_MUTE (2)
AMP_STANDBY (1)
-A5V (1,4)
M33V (1,4)
AMP_VCC (2,4)
GND (1,2,4)
AMP_GND (4)
TP44
TP46 TP47
C
SP400
1
L+
2
L-
3
R+
4
R-
SAV-2
B
A
1