Digital Unit (1/16) - Denon AVR-2312 Service Manual

1 2
DGND
DEC_SC_IN
DEC_SY_IN
DEC_Y_IN
DEC_PB_IN
DEC_PR_IN
DEC_CVBS_IN
LINEB5
LINEA5
ASPECT_L
ASPECT_H5
Z2_SW_B5
Z2_SW_A5
Z1_SW_B5
Z1_SW_A5
SY1_DET
CVBS_DET
COMP_SDET
AVSDA
AVSCL
V+5V
DGND
(PAGE 30/30) VDO_Y
VDO_PB
FROM HDMI TX
VDO_PR
VDO_CVBS
(PAGE 26/30)
ETHER_SC
FROM NET PHY
ETHER_SY
SY2_DET
TO SCPU/CPU LEVEL CHG
(PAGE 18/30,19/30)
GND POWER + POWER -
3
L2903
DA+5V
DA+8V
DA-8V
DAGND
CN21B
ADINL
CJP15HJ282Z
C125Z2-15
ADINR
VGND
VGND
DAFL
V.AUX_V_IN
VGND
DAFR
DEC_SC_IN
VGND
DAC
DEC_SY_IN
VGND DASW
DEC_Y_IN
VGND DASL
DEC_PB_IN
VGND DASR
DEC_PR_IN
VGND DASBL
DEC_CVBS_IN
DASBR
DACRTNGND
VAUXL
AGND
VAUXR
MIC
MICGND
CN22B
CJP17HJ282Z
C125Z2-17
LINEB5
H/PL
LINEA5
H/PGND
ASPECT_L
H/PR
ASPECT_H5
H/P_RLY
Z2_SW_B5
FRONT_RLY
Z2_SW_A5
C/S_RLY
Z1_SW_B5
SB_RLY
Z1_SW_A5
F-B_RLY(MZ)
SY1_DET
FH_RLY(DE_33MZ)
CVBS_DET
FW_RLY(DE_33)
COMP_SDET
VGND
AVSDA
PREZ3_MUTE
VGND
PREZ2_MUTE
AVSCL
VGND
PRESB_MUTE
PREF/C/S/SW_MUTE
MVOLCLK
MVOLDATA
ZVOLSTB
ZVOLDATA
CN23B
ZVOLCLK
CJP13HJ282Z
C125Z2-13
DAZ3R
V+5V
VDO_Y
DAZ3L
VGND
VDO_PB
DAZ2R
VGND
VDO_PR
DAZ2L
VGND
DAGND
VDO_CVBS
VGND
ETHER_SC
VGND
ETHER_SY
Z2SSIG_DET
DCDET4
DCDET3
ASODET
THERMALDETB
THERMALDETA
CNT
CNT
CNT
TO MAIN CPU
TO CPU LEVEL CHG TO MAIN CPU TO CPU LEVEL CHG
(PAGE 17/30) (PAGE 19/30) (PAGE 17/30)
STBY POWER
4 5
(PAGE 16/30)
TO DIGITAL SUPPLY
0
CN24B
CJP27HJ282Z
C125Z2-27
ADINL
DAGND
ADINR
DAGND
DAFL
DAGND
DAFR
DAGND
DAC
DAGND
DASW
DAGND
DASL
DAGND
DASR
DAGND
DASBL
DAGND
232O_MI
DASBR
232I_MO
DACRTNGND
TRIGGER_1
DACRTNGND
TRIGGER_2
VAUXL
AGND
VAUXR
MICGND
MIC
MICGND
TU_MUTE
RDS_DATA5
RDS_CLK5
HDRA_RST
HDRA_MOHI/TU_SDA
HDRA_MIHO/TU_SCL
TU_STEREO
TU_TUNED
CN25B
CJP17HJ282Z
C125Z2-17
H/PL
H/PGND
H/PR
H/P_RLY
FRONT_RLY
C/S_RLY
RELAY_SB
F-B_RLY(MZ)
FH_RLY(DE_33MZ)
FW_RLY(DE_33)
MUTE_3.3V
NC
PREZ3_MUTE
PREZ2_MUTE
NC
VSELA
PRESB_MUTE
VSELB
PREF/C/S/SW_MUTE
MICDET
DE
VAUXR
AGND
R2907 0
VAUXL
MICGND
R2910 OPEN
MIC
VAUXV
MVOLCLK
R2910 OPEN
MVOLDATA
ZVOLSTB
R2907 0
ZVOLDATA
POWERKEY
ZVOLCLK
REDLED
DAGND
GRNLED
DA_Z3R
DAGND
DA_Z3L
FLRST
DAGND
FL_CE
DA_Z2R
FL_CLK
DAGND
FL_DATA
DA_Z2L
DAGND
DIRECTLED_MZ
DAGND
H/PDET
CN26B KEY1
CJP15HJ282Z
KEY2
C125Z2-15
KEY3
ISELA
ISELB
CN704
CJP05GA208ZY
20022WS-05C
DCDET4
DCDET3
ASODET
THERMALDETB
THERMALDETA
TO MAIN CPU
(PAGE 19/30) (PAGE 17/30)
138
6 7
CN27B
CJP21HJ282Z
C125Z2-21
D5V
SWM5V
SWM3.3V
M3.3V
DGND
DA+8V
DA+8V
DA-8V
DA-8V
RC_IN
KILLIR_MZ
RC_OUT_MZ
BTLINK_MZ
FRONT_IRIN
REMOTE3.3V
232O_MI
232I_MO
TRIGGER_1
TRIGGER_2
OPTION_A
CN28B
C125Z2-11
CJP11HJ282Z
DA+5V
DA+5V
TU_MUTE
R2909 0 RDS_DATA5
R2908 0 RDS_CLK5
TU_RESET
TU_RXMO/SDA
TU_TXMI/SCL
TU_ST
TU_TUNED
OPTION_A
L2904 0
MODEL AVR3312
L2905 0
L2906 0 REGION E3
L2907 0
R2903 OPEN
R2904 OPEN
L2908 0
L2909 0
L2910 0
L2911 0
L2912 0
L2913 0
C2942
1000p
H/PGND
L2914 0
H/PL
L2915
0
H/PR
L2916 0
L2917 0
L2918 0
L2919 0
L2920 0 B/PIRIN_DE,FL5V_MZ
L2921 0
L2922 0
L2923 0
L2924 0
L2925 0
L2926 0
L2927 0
L2928 0
L2929 0
L2930 0
L2931 0
L2932 0
L2933 0
L2934 0
L2935 open
VIDEO SIGINAL LINE
S(Y) VIDEO SIGINAL LINE
COMPONENT (Y) SIGNAL LINE
d
SCHEMATIC DIAGRAMS (15/30)
DIGITAL UNIT (1/16)
8
A
B
AVR2312 AVR3312/2312
E3 E2/EA/E1C/JP
2.2K 2.2K
C
2.2K 2.2K
M3.3V
CN69B
DGND
10022H-40C
SWM3.3V
CJP40GA193ZY
DA+8V
VSELA
VSELB
MICDET
DA-8V
VAUXR
AGND
VAUXL
MICGND
MIC
VGND
VAUXV
H/PGND
H/PL
H/PR
FRONT_IRIN
POWERKEY
REDLED
GRNLED
M-DAXLED_MZ
D
FLRST
FL_CE
FL_CLK
FL_DATA
ILLUMILED_MZ
DIRECTLED_MZ
DSX_MZ
H/PDET
KEY1
KEY2
KEY3
ISELA
ISELB
SWM5V
DGND
DGND
E
F