Marantz AV7703 Service Manual page 34

SCH28_FRT CNT
CN21A CN25A
TO BN21A
FROM/TO DIGITAL CON. PART
FROM/TO DIGITAL CON. PART
PAGE 1_B5
CN21A CN25A
C125Z1-15 C125Z1-25
15 13 11 9 7 5 3 1 25 23
14 12 10 8 6 4 2 24 22
JW9604
CWE5202080A
CN21B
CN21B
C125Z1-19
18 16 14 12 10 8 6 4 2
19 17 15 13 11 9 7 5 3 1
FROM/TO A-VIDEO PART
PAGE 19_C1 TO BN21B
LEGO FAN POWER
LEGO FAN GND
CN393
OPEN
BK3003
CMD1A629
CHGND CHGND
BK3001
CMD1A629
CHGND CHGND
BN25D
BN25D
C125Z2-25
1
TUNER PART
* TUNER MODULE(TU901) OPTION
AREA ANALOG TUNER
N.A CNVYST990-A9U2
EUR CNVYST990-D8E2
JPN/CHN CNVYST990-A2J1
C9809 50V/0.1uF
C9810 50V/0.1uF
CHASSIS
OPTION A
C9811 50V/0.1uF
CHASSIS
TUNER_L
L-OUT
TUNER_R
R-OUT
TU_+5V
VCC
SCL
SCLK
SDA
SDIO
CE
/CE
RST
/RST
INT
INT
TU901
CHASSIS
GND LINE POWER+ LINE POWER- LINE ANALOG AUDIO DIGITAL AUDIO
CN26A
TO BN25A
FROM/TO DIGITAL CON. PART
PAGE 1_B3
CN26A
C125Z1-15
21 19 17 15 13 11 9 7 5 3 1
20 18 16 14 12 10 8 6 4 2
JW9603
OPEN
C3173 16V/4.7uF
C3175 OPEN
C3174 OPEN
JW9602 R3177 100 C3176 50V/10uF
OPEN
IC316 R3178 100 C3177 50V/10uF
NJM2115MTE1
A OUTPUT
V+
R3173 3.3K
C3171 50V/470pF
A B OUTPUT
R3171 12K - +
R3176 3.3K
R3172 33K A-INPUT
C3172 50V/470pF
B
R3175 33K
+ -
A+INPUT
B-INPUT R3174 12K
V-
B+INPUT
SEL_DATA
SEL_CLK
P_PREZ3MUTE
P_PREZ2MUTE
DA+5V
P_MUTE+7V
P_RL+B
P_RLGND
CN26C
CN26C
C125Z1-21
3 5 7 9 11 13 15 17 19 21 23 25
2 4 6 8 10 12 14 16 18 20 22 24
PAGE 22_A6
FROM/TO SPK PART
TO CN25D
R9821 0
R9825 C9827
OPEN OPEN
C9825 OPEN
OPEN
C9821
L9821 R9823
OPEN
R9827 270
OPEN
R9826 C9828
OPEN OPEN
C9826
OPEN
L9822 R9824
OPEN
R9828 270
OPEN
OPEN
C9822
R9822
0
BD981 CB03YTYH600
R9801 100 SCL
R9802 100 SDA
R9803 100
CE
R9804 100 RST
R9806 100 INT
TMDS SIGNAL ANALOG VIDEO DIGITAL VIDEO STBY POWER
CN24A
TO BN26A
FROM/TO DIGITAL CON. PART
PAGE 1_D5
CN24A
15 13 11 9 7 5 3 1 C125Z1-27 27 25 23
14 12 10 8 6 4 2 26 24 22
BK3002
OPEN
DGND DGND
C3180 16V/4.7uF
C3182 OPEN
C3181 OPEN
R3185 100 C3183 50V/10uF
R3186 100 C3184 50V/10uF
IC315
NJM2115MTE1
A OUTPUT
V+
R3181 3.3K
C3178 50V/470pF
A B OUTPUT
R3179 12K
- +
R3184 3.3K
A-INPUT
R3180 33K
C3179 50V/470pF
B
+ - R3183 33K
A+INPUT
B-INPUT R3182 12K
V-
B+INPUT
CN24C
CN24C
C125Z1-27
20 18 16 14 12 10 8 6 4 2 26 24 22
27 25 23
21 19 17 15 13 11 9 7 5 3 1
FROM/TO INPUT PART
FROM/TO INPUT PART
PAGE 29_D6
TO BN26C
BN961
TUNER_R
TU_GND
TUNER_L
TU_+5V
TU_GND
TU_CE
TU_RST
TU_INT
TU_RXMO/SCL
TU_TXMI/SDA
TU_GND
12511HS-13
BN961
TO CN961
34
TO BN24A
FRT CNT CONNECT B
PAGE 1_D3
21 19 17 15 13 11 9 7 5 3 1
20 18 16 14 12 10 8 6 4 2
K0 5K
TO 0K TO K5
DGND
DA3.3V
DACMS
DACCLK
DACDATA
DZF1
DZF2
DACRST
DACMCK
DACBCK
DACLRCK
DACPCMF
DACPCMCSW1
DACPCMS
DACPCMSW2RSV
K1
DACPCMASSIGN1
DACPCMASSIGN2 TO 1K
DACPCMASSIGN3
K2 6K
TO 2K TO K6
A+5V
A-7V
A+7V
K3
DAASSIGNR3
DAASSIGNL3
DASW2
DAASSIGNR2
DAASSIGNL2
TO 3K
DAASSIGNR1
DAASSIGNL1
K4
DASR
DASL
DASW1
DAC TO 4K
DAFR
DAFL
DAGND
20 18 16 14 12 10 8 6 4 2
21 19 17 15 13 11 9 7 5 3 1
PAGE 28_D4
TO BN24C