Panasonic SA-VK725DGC Service Manual page 19

SCHEMATIC DIAGRAM - 15
MAIN CIRCUIT
Q2912
2SB0709AHL
FAN MOTOR DRIVE
R2582
100K R2581
1.2K
Q2912
C2983
W2103
0.01
0
R2593
R2591
4.7K 1K
R2588
4.7K
Q2909
2SD0592ARA
SWITCH
C2984
0.01
R2587
2.2M
W3009 W3008
D2818
0 0
B0ACCK000005
W3006 W3007
D2809
0 0
B0ACCK000005
R2097
W2087
0
Q2917
B1ABEB000002
R2692
C2609
SWITCH
10K
50V10
R2610 1.8K
R2693
C2913 0.1u 10K
R2613 47K
C2650
0.47
C2607
0.018
R2607
10K
R2606
10K
: +B SIGNAL LINE : FM/AM SIGNAL LINE
: -B SIGNAL LINE : MAIN SIGNAL LINE
Q2911
D2914, D2916
2SB0709AHL
B0ACCK000005
FAN MOTOR DRIVE
Q2911
R2585
120K
R2583 R2584
220K 100
W2101
C2987 R2592
0
100K
10V10
R2580
10
R2068
0
C2986
16V10
R2589 R2590
0
3.3K
+7.5V
TU_SD
ASP_CK
ASP_DA
+15V
+9.0V
C2134
1000P
-9.0V
TU_SCL
TU_ST_DO
TU_SDA
TUN_R
FL_L
CE
FR_R
TUN_L
MOTOR
0
HPOUT_FL
REC
OUTFL
L2804
G0C101JA0052
5V
HPOUT_FR
OUTFR
REC_01
MOT_01
W2104
0
R2691
1K
BASS MOT_01
DECK1_H
OUT_SW
OUT_C
MOT10V
OUT_LS
REC_01
+15V
OUT_RS
LINE_ROUT
LINE_LOUT
PBR
PBL
: TAPE PLAYBACK SIGNAL LINE
C2985 R2586
10K
16V100
Q2910
2SD0601AHL
DETECT SWITCH
R2064 0
R2065 0 R2098
C2903
0.01
C2234
1000P
R2062
R2678
R2061
R2233 0
R2066 0 R2060
R2133 10K
Q2703
B1GDCFJJ0047
DECK MOTOR SWITCH
Q2704
B1GDCFJJ0047
MOTOR SWITCH
R2231 33K
R2131 33K
R2229 100
R2129 100
R2132
R2238 R2138 R2232
33K 33K 470
470
19
TO
TOP
FAN
CN2815
1 2
+7.5V
0
J
TU_SD
I
+15V
H
TO
TGND MAIN (TUNER)
G
CIRCUIT
(1A) ON
TU_SCL (PLL_CK)
0
SCHEMATIC
F
DIAGRAM - 9
10K TU_ST/DO
E
0 TU_SDA (PLL_DA)
D
RCH
A
0 CE
B
LCH
C
1B
1
MOT_01
2
3
DECK1_H
4
5
SUB+BGND
TO
6
MOT10V
DECK CIRCUIT
7
REC_01
(CN1001) ON
8
SCHEMATIC
+15V
9
DIAGRAM - 22
REC_R
10
REC_L
11
AGND
12
K2905
PBR
13
PBL
14
K2906
CP6803
K2905, K2906
ERJ3GEY0R00V
SA-VK725DGC