Panasonic SA-VK31GC Service Manual page 59

SCHEMATIC DIAGRAM - 7
MAIN CIRCUIT
Q2815
KTA12710YTA KTC3199GRTA
SWITCH
Q2815
C2814 R2817
0.01
D2811
MA2J72800L
Q2814
D2812
R2851
MA2J72800L
330
L2854
J0JCC0000120
L2800
G0A200D00002
L2812
J0JKB0000020
R2988
4.7
L2804
G0A200D00002
L2802 L2801
G0A200D00002 G0ZZ00001930
C2832
C2833
10V100
10V680
Q2975
B1ABCF000011
C2978
16V10
DC DETECT SWITCH
R2979
100K
Q2975
R2978
100
C2975
R2999
16V330 Q2974
10K
D2975, 2976
B0ACCK000005
Q2974
B1ADCF000001
FAN MOTOR DRIVE
: -B SIGNAL LINE
: +B SIGNAL LINE
Q2814
SWITCH
R2813 R2812 R2811
10 10 0
10K
D2810
R2849 R2825
B0EAKM000117
1K 100
C2825 R2850
10V22 2.2K
Q2810
KTA12710YTA
SWITCH
Q2810
IC2804
C0DAAHG00007
REGULATOR IC
1 2 3 4 5
C2834
C2835
50V100
0.22
B1GBCFJJ0039
D2801
B0JCPC000004
Q2973
2SD0592ARA
FAN MOTOR DRIVE
R2976
22
Q2973
C2973
C2972
50V10
16V220
Q2972
C2977
0.01
D2971
R2977
220K
C2976
0.01
R2975
10K
D2971
B0BC01000014
Q2972
B1ADCF000001
FAN MOTOR DRIVE
: PLAYBACK SIGNAL LINE : MIC SIGNAL LINE
: RECORD SIGNAL LINE : MAIN SIGNAL LINE
Q2816
KRC102MTA
SWITCH
Q2816
R2994 R2997 R2993 R2996
1K 0 10K 0
R2995 R2992
1K 100
Q2812
B1GBCFJJ0039
SWITCH
Q2813
SWITCH
R2981
2.2M
C2971
0.01
R2973 C2970
R2971
3.3K
4.7K 0.01
R2998
10K
D2970
Q2971
Q2970
R2974
R2970
100K
100K
R2972
4.7K
D2970
B0ACCK000005
Q2971 Q2970
2SD0592ARA B1ADCF000001
FAN MOTOR DRIVE FAN MOTOR DRIVE
59
SA-VK31GC / SA-VK31GS
PBL
14
PBR
13
AGND
12
RECL
11
RECR
10
+15V TO
9
DECK CIRCUIT
REC_H
8
(CN1001) ON
MOT10V
7
SCHEMATIC
DGND
DIAGRAM - 15
6
DMT
5
DECK1_H
4
BP1
3
MOTOR
2
1
CN2904
PLGND
17
MOTOR
16
BP1
15
DECK1_H
14
DMT
13
MUTE_L
12
+9V
11
TO
MIC
10
PANEL CIRCUIT
MIC_GND
9 (CP601) ON
SPEA
SCHEMATIC
8
REC_H
DIAGRAM - 13
7
HPR
6
HPGND
5
HPL
4
MUTEA
3
MUTEH
2
1
CN2903
1
ST/DO
2
SW5V
3
PLLCE
4
SD
5
6
UPGND
7
MDSA_DI
8
MM_RST
9
MDSA_SI
10
11
+9V
12
PLLCK
13
MDSA_AI
TO
14
ASP_DAT
PANEL CIRCUIT
15
ASP_CLK
(CP602) ON
16
SCHEMATIC
PLLDA
17
DIAGRAM - 13
VREF+
18
DC_DET
19
CHG_CCW
20
CHG_CW
21
CHG_HALF
22
CHG_PLGR
23
SW2
24
SW1
25
CDPCNT
26
CHG_AD1
27
CHG_AD2
28
AGND
29
MOT10V
30
CN2902
1
FAN
2
CN2905