Marantz AV8003 Service Manual page 80

FRONT PWB
SELECTOR
FRONT
ENCODER PWB
SELECTOR
+5VL
1 +5VL +5VL
1
+5VL
2
GND GND 2
R873 10K
3
SEL+ SEL+
3
4 SEL- SEL-
4
R874 10K
5 NC
NC 5
TO FRONT CHASSIS
JW83
C841
50V/0.1u
RING WIRE(1P)
PUSH S/W PWB
MOMS K, N VERSION ONLY
CN88
AC
AC
POWER ON/OFF
+5VL
TACT PWB
STANDBY
+5VL
F, U VERSION ONLY
1
+5VL +5VL
1
2
GND
GND 2
3 SB-LED
SB-LED
3
U VERSION
4 WRITE
WRITE
4
JP83 JP84
5
KEY2 KEY2
5
SW98
6
6
POWER ON/STANDBY
7
7
CWB02
2P-2.5MM-WIRE
MICO
TO DSP PWB -2/2
MICGND
BN76
MIC PWB
MIC
+5VD
5
4 1 MICGND MICGND
1 MICGND
2 SIG_VOICE
2
SIG_VOICE 2
R978
3
3 5VD
5VD 3
6
470
7 4 DETECT
DETECT 4
5
1 NC NC 5
JK82 HJJ2D003Y MIC
MICGND
MICGND
H/P PWB
MICGND
HEADPHONE
R847
+5V
1 +5VL
470
+5V
H/P-DET
8
7 H/P-R
C874 470P
3
G
2
470P
C875 H/P-L
CJJ2E020Z JK91
CN89
JW81
CJP05GA19ZY
RING WIRE(1P)
TO BOTTOM CHASSIS
C876
TO DOOR CHASSIS
0.1u
JW82 * C874, C875
RING WIRE(1P)
100P-->470P CHANGE:EMI
FROM REGULATOR PWB
9P-2.5MM-WIRE
CWB09
BN45
9 8 7 6 5 4 3 2 1
AC5.5V
10/50V C830 AC5.5V
C806
C829 10/50V 100/35V
+15V C809 C810
-15V
0.1uF 0.1uF
MICGND
C807
10/16V 100/16V
C802 0.1uF
C801
C804 C805
0.1uF 0.1uF
+5VD
+5VL
Q807NC
Q806
HVTKRA102MT
Q809
HVTKRA102MT
HVD342VCTB7T089
BLUE
D803
CVD52CSBBCEAB2
C884
50V/470p
R976
47K
MICGND
HVINJM2068MDTE1
+15V
IC85
+5VL
0V +15V
PURE
DIRECT
NC
C891 R989 0V MICGND
SW71
47/25V 330
0V 0V
-15V
-15V 0V
+15V M-DAX
MICGND
SW81
MICGND
R973
47K
<==
C881 C883
R974 R982
SW89
50V/470p
220 4.7/50 2.2K
MICGND
95
FROM DSP PWB -1/2
17P-1.0MM-FFC
CN64 CJP17GA117ZY
2 4 6 8 10 12 14 16
1 3 5 7 9 11 13 15 17
FL81
HFL16BT110GNK
61 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
FL2
+5VD
GRID[01:16]
SEG[01:37]
GRID01
GRID16
GRID02
GRID03
D802
RED GRID04
GRID05
HVTKRC102MT
GRID06
Q808
GRID07
GRID08
GRID09
IC81
GRID10 HVINJU3430F
GRID11
+5VD
GRID12
C818
GRID13
0.1uF
GRID14
GRID15
Q803
HVTKTC3199YT
VKK
C820
0.1uF
FLD_CON
C827
0.1uF
C828
100/16
THX MENU EXIT BAND ENTER
SW72 SW73 SW74 SW76 SW77 SW79
R813
R810 1.5K
R811 R812 R814 R815 R816 R817
5.6K 2.7K 2.2K 1K 820 560 680
TOP DISP ==> T-MODE MEMO CLEAR
SW82 SW83 SW90 SW85 SW86 SW87 SW88
R818 R819 R820 R821 R822 R823 R824 R825
5.6K 2.7K 2.2K 1.5K 1K 820 560 680
AUTO MULTI
7.1CH INPUT SURR.MODE MULTI SPEAKER
SW91 SW92 SW84 SW95 SW96
R826 R827 R828 R829 R830 R876 R877 R879
5.6K 2.7K 2.2K 1.5K 1K 820 560 680
TO DSP PWB -1/2
3P-2.5MM-WIRE
BN18 CWB03
1 2 3
+5VD
C811
50V/100p
RC81
Q811
HRVRPM6936H4
HVTKRA102MT
C812
BLUE VOUT GND Vcc
Q801 50V/0.1u
D811
HVTKRA102MT
CVD52CSBBCEAB2 1 2 3
100/16V
C813
5
9 8 7 6 2
FL1
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG09
SEG08
SEG07
96
VOLUME
ENCODER PWB
VOLUME
+5VD
1
GND GND
1
+5VD
2
+5VD +5VD
+5VD 2
3 VOL+ VOL+
3
4 VOL-
VOL-
4
5
NC NC R808 10K
5
R809 10K
TO FRONT CHASSIS
JW84 C840
50V/0.1u
RING WIRE(1P)