Panasonic SA-AK340EE Service Manual page 18

SA-AK340EE
W2526
0
NC NC
1
2 VCC GND
IC2871
3 EE_CS
EE_CLK EE.DAT
4
R2873
22K
64 63 62 61 60 59 58 57 56 55 54 53 52 51
W2576
0
STAND_BY 50
NC 49
W2536
NC 48
0
DCDET 47
PCONT/EFP/CS
46
NC 45
NC
44
EE_DAT 43
EE_CLK 42
01 W2537
EE_CS/EFP/EPH 41
0
000053
MUTE_A 40
CESSOR
MUTE_DA 39
REG1
38
R2822 10K
REG2 37
REG3
36
REG4 35
REG5
34
REG6 33
W2547 0
REG7 32
W2548 0
REG8 31
18 21 22 23 24 25 26 28 29 30
17 19 20 27
W2549
0
R2810
R2883 C2883
330K 18P
C2821
R2882
100P
X2801 C2882
10M
H0A327200115 18P
W2552
0
36
R2937
10K
R2936 W2556
0
1K
9 8 7 6
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
CN2806
TO
PANEL CIRCUIT (CN6601) ON
SCHEMATIC DIAGRAM-4
1
C2940
0.1
IC2871
E-EPROM IC
(NOT SUPPLIED)
8
R2940
820K
FAN
7
Q2942
B1ACKD000006
6
FAN MOTOR ON/OFF SWITCH
MOT_12V
5
R2945 C2945 C2944 R2944
4.7K
10K 16V47 100P
D2946
B0ADCJ000020
3
R2942 R2941
5.6K 10K
2 1
R2943
10K
Q2943
STANDBY
R2949
47K
W2571
IDCDET
0
PCONT
R2948
100 C2948
Q2948
10V220
C2947
6.3V100
VREF+
W2572 R2946
MUTE_A 0 56K
B1ABCF000176
R2947 W2573
MUTE_D_AMP
27 0
FAN SUPPLY
CONTROL SWITCH
R2851
47K
C2853
0.1
22K
Q2803
B1GBCFJJ0051
RESET (MICRO-P) SWITCH
R2886 R2881 C2803
1M 220
1
IN OUT
D2803 C2802
D2801
X2802 B0ACCK000005 50V3.3
B0ACCK000005
GND H2B100500004
5 4 3 2 1
C2941
16V33
IDCDET
R2939
47K
Q2949
Q2943
Q2948,Q2949
B1ABCF000176
DC DETECT SWITCH
P_GND
R2894 W2535
47K 0
VREF+
D2811
B0ADCJ000020
CD7.5V
1
3
SW5V
2
D2813
B0ACCK000005
+15V
W2518
0
IDCDET
66
F_HOP
T_GND
MUTE-D-AMP
+15V
FAN
1
TO FAN
2
CN2810
SW5V SW5V
12
-9V -VCC
11
+15V +15V
10
TO
MOT_12V W2575 0 MOT_12V
9 POWER
STANDBY STANDBY
CIRCUIT
8
(CN5103) ON
IDCDET DCDET
7 SCHEMATIC
DIAGRAM-6
6
CD8V CD8V
5
PCONT PCONT
4
P_GND UP_GND
3
C2753 0.1
FL_GND
2
P_GND P_GND
1
CN2808
SA-AK340EE MAIN CIRCUIT
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