Schematic Diagrams (6/7); Mcu Unit - Denon DHT-1312XP Service Manual

1 2
MCU PART
AGND
V.AUXL
V.AUXR
MCU+5V
MCUGND
DAC_MUTE
DAC_MUTE
MAIN_VOL_MUTE
MAIN_VOL_MUTE
MAIN_VOL_CLK
MAIN_VOL_CLK
MAIN_VOL_DATA
MAIN_VOL_DATA
TUNER_CE
TUNER_CE
TUNER_INT
TUNER_INT
TUNER_RST
TUNER_RST
TUNER_SDIO
TUNER_SDIO
TUNER_SCLK
TUNER_SCLK
MIC_SIGNAL
+12V
-12V
DSP
CODEC_MUTE
CODEC_MUTE
DSP_MODE_SEL
DSP_MODE_SEL
DIR_CE
DIR_CE
DIR_RST
DIR_RST
DIR_DOUT
DIR_DOUT
MCU+5V
HDMI_SW
HDMI_SW
DSP_CS
DSP_CS
DSP_SPC1_IRQ
DSP_SPC1_IRQ
DSP_PCP_BSY
DSP_PCP_BSY
DSP_DIR_CLK
DSP_DIR_CLK
DSP_DATA
DSP_DATA
DSP_DIR_DATA
DSP_DIR_DATA
DSP_RST
DSP_RST
DSP_SPC1_IRQ
DSP_PCP_BSY
J1
R940 OPEN
CN9A
PROTECTION
FRONT_RLY
C_SUR_RLY
C_SUR_RLY
HP_RLY DAC_MUTE
P_DOWN
SB_MUTE
SUB_MUTE
PWR_RLY
LIMIT_DET
LIMIT
NC
NC
R902
1K
MCU+5V
14 13 12
1 2 3
GND POWER + POWER -
3
FOR UPDATE
CN91
7 5 3 1
CJP07GB113ZY
6 4 2
R923
47K
R922
47K
R921
47K
IC95
NJM2845DL133 MCU+3V3
1 3
*OPTION
2 R938 MCU+3V3 R916 OPTION
OPEN
R917 OPTION
R915
1K
R901
MCU+3V3 10K
C905
0.1uF
0.1uF
C906
C907
0.1uF
CN92
MCU+5V
HDMI_RX
DEBUG
MCU+5V HDMI_TX
C908
MCUGND
0.1uF
R954
Q903
100
2SC3052
R905
C955 R908
1K
1uF 4.7K
11 10 9 8
4 5 6 7
A
TO DSP PART
STBY POWER
4 5
TO FRONT B'D
CN1A
22 20 18 16 14 12 10 8 6 4 2 6 4
CJP23GA115ZY
23 21 19 17 15 13 11 9 7 5 3 1 7 5 3
BD91
CLZ9R001Z
RN93 10KX4
R941
220K
R926
2.7K
R927
2.7K
R914
5 6
1K
R913 EEPROM
IC92
0
M24C32WMN6TP
4 3
J3
REGVCC
C916
0.1uF
REGVSS C915
22P
XIN
CVSS
XOUT
C914
AVCC PROTECT CVCC
27P
POWER_DOWN HDMIOSD_MI TUNER_INT
RN92 100X4
FRONT_RLY AVSS HDMIOST_HOLD
C_SUR_RLY VREFH CODEC_MUTE
LIMIT DSP_PCP_BSY DSP_MODE_SEL
HP_RLY DSP_RST
DAC_MUTE CVBS_SW1
TEST2 HDMI_SW
C913
DVSS IC91 DEBUG DVSS
0.1uF
DVCC DEBUG DVCC
T5CN5
POWER_ON DEBUG CVBS_SW4
CVBS_SW3 DSP_CS DEBUG
SB_MUTE DSP_DATA DEBUG
TEST1 DSP_DIR_CLK DSP_DIR_DATA
R959 100
REMOTE_IN TEST3
TXD0
RXD0
SUB_MUTE
RN91 100X4
MCU+3V3
*OPTION TABLE
1312E2/EA 1312E3 1312E1C
R916 10K 10K 10K
R917 X 4K7 10K
HDMI_CONTROL
60
6 7
CN2A
2
1
MCU+3V3
14 13 12 11 10 9 8
1 2 3 4 5 6 7
MCU+3V3
7 8
2 1
USE ONLY DEBUG
CN93
DSP_MODE_SEL
DSP_RST
HDMI_SW
DSP_DIR_DATA
DSP_CS
DSP_DATA
DSP_DIR_CLK

SCHEMATIC DIAGRAMS (6/7)

SCHEMATIC DIAGRAMS (6/7)

MCU UNIT

MCU UNIT
8
A
JK91
5
4
R935 100
2
R936 100
3
R939 100
7
8
1
C925 OPEN
R924 0
R925 0
CHGND
B
C
VGND D
CVBS_SW3
CVBS_SW1
CVBS_SW4
COMPO_SW1
COMPO_SW2
CVBS_SW2
E
F