FUNAI 32FL552/10, Service Manual

Page: 13 / 20

2-9
MMBT3904
Q24
0.1
C152
CN24
1
AMP+24V
PMLL4148L
D68
OPEN
R338
1K
R275
AMP-MUTE
3 GND
47K
R274
0.33
C154
E18
100/16V
0.1
C150
1
C166
100K
R105
1K
R273
33K
R271
10
C159
AMP(R)-OUT
1
C164
1
C151
2 AMP+24V
22uH
L21
1K
R269
OPEN
C37
22uH
L22
E15
47/16V
0.1
C167
AMP-STB
M+5V
100P
C165
100K
R286
1000P
C223
4 GND
AMP(L)-OUT
+12V
100
R101
0.1
C158
PMLL4148L
D77
Q23
3CG3906M
10
C155
1 2 3 4 5 6 7 8 9 10
11
12
13
14
15
16
17
18
19
20
21 22 23 24 25 26 27 28 29 30
31
32
33
34
35
36
37
38
39
40
U13
R2A15122FP
10
C157
10K
R337
100
R196
0.47
C160
0.33
C163
SK34A-SMA
D67
0.1
C168 E17
470/35V
33K
R276
1000P
C206
0.1
C162
TV+5V
100P
C153
T1 TUNER UNIT
1
NU
2
B1(+5V)
3
RF-AGC
4
SCL
5
SDA
6
B2(+5V)
7
NU
8
GND
9
IF-AGC
10
DIF-OUT1
11
DIF-OUT2
12
ANALOG-IF
13
GND
14
GND
15
GND
16
GND
T2 OPEN
1
NU
2
B1(+5V)
3
RF-AGC
4
SCL
5
SDA
6
B2(+5V)
7
NU
8
GND
9
IF-AGC
10
DIF-OUT1
11
DIF-OUT2
12
ANALOG-IF
13
GND
14
GND
15
GND
16
GND
OPEN
R111
OPEN
R112
OPEN
C74
4.7K
R132
OPEN
C75
4.7K
R131
1
C94
10K
R137
1K
R135
AE4 TUNER-SDA
AD4 TUNER-SCL
DIF-OUT2
IF-AGC
DIF-OUT1
100
R133
0.56uH
L14
30P
C87
0.1
C86
100
R138
0.1
C90
0
R268
AE3 RF-AGC
10K
R136
10K
R134
1
C91
0.1
C69
Q13
3CG3906M
100K
R125
MMBT3904
Q14
10K
R126
0
R121
10K
R128
AC4 AGC-SW
AD2 SIF-SW
Y3 NU
Y2 NU
0.1 C76 2.2K R70
0.1 C78 2.2K R79
AB1 VIFP
AA1 VIFM
AB2 SIFP
AB3 SIFM
33
R207
OPEN
R117
0.047
C64
0.1 C84
0.1 C88
OPEN
L13
0.1 C85
0.1 C89
0.01
C73
0.047
C63
OPEN
R118
BA591
D8
MMBT3904
Q15 1K
R130
4.7K
R129
2.2K
R127
4.7K
R120
2.2K
R123
10
C71
0.1
C66
100
R122
1 2 3
U10
UTC78D05L
GND VOUT VIN
0.1
C70
0.1
C67
1
C9
0.1
C61 E12
470/6.3V
AA7
*1
U7(5/6)
MSD309PX-LF-SW
AGC-DETECT
SPEAKER
L-CH
3 SP-GND
2 SP-GND
4 SP(R)
SPEAKER
R-CH
CN23
1 SP(L)
CN13
1K
R235
1000P
C212
2.2K
R231
2200P
C27
470/35V
E16
OPEN
C65
470/35V
E14
2200P
C72
2.2K
R233
1K
R240
1000P
C214
2 1 3 4 5
(SAW FILTER)
SAW1
HDAF389A7DC
IN IN GND OUT OUT
2 1 3 4 5
(SAW FILTER)
SAW1
VF389A1DC
IN IN GND OUT OUT
OPEN
R267
AD AA
4
1
3
2
AC Y AB Z
DIGITAL MAIN CBA UNIT
NU
GND
GND
PROT AVCC ROSC
VDD
PWM
GENE.
HB1 HB2 GND
VDD
GND
GND
(AUDIO AMP)
GND
GND
PWM
GENE.
DVDD1
TO POWER SUPPLY
CBA CN5
GND GND
GND GND
VREFF
GND
CBIAS
CONTROL
LOGIC
GND
GND
VDD
GND
GND GND
VDD
DIGITAL SIGNAL PROCESS
/MAIN MICRO CONTROLLER
(+5V REG.)
HEADPHONE
JACK
CONTINUE
DIGITAL 4
CONTINUE
DIGITAL 1
CONTINUE
DIGITAL 4
CONTINUE
DIGITAL 2
(SWITCHING)
(SWITCHING)
(SWITCHING)
(SWITCHING)
(SWITCHING)
A23FASCD5
Digital Main 5 Schematic Diagram
The order of pins shown in this diagram is different from that of actual U7.
U7 is divided into six and shown as U7 (1/6) ~ U7 (6/6) in this Digital Main Schematic Diagram Section.
1 NOTE: