Sch06_Digital(1/4) - Denon PMA-2500NE Service Manual

1 2 3
All Ref.No. has been described in the parts list are four digits.
But there are less than four digits of printed Ref.No. on the PCB, and they have become four digits after the header by adding "0" in the parts list.
A
Ref 101-
B
ANA_LED
H:Analog Mode on
N101
SO_DI_LED
H:Source Direct
11P-PH(SMD)
L:Tone
N101
+12V_RL
+12V_RL 1
SO_DI_LED
SO-DI_LED 2
ANA_LED
ANA_LED 3
TACT
4
TACT
+3.3V_NSW
+3.3VL 5
C D_GND 6
7
REMOTE
LED_R 8
DTC114TK
LED_G 9 Q103 LED_R
10
VOL+
DTC114TK
LED_G
Q106
VOL- 11
TO N1301
+3.3V_NSW
GND
REMOTE P_ON
R110
A0
D 47K
VOL+
VOL-
R115
REMOTE_REAR
TO 0A
From sht.002 OUTPUT
18K
FCEN
GND
D102 D103
+5VD
1SR154 1SR154
TACT
LB1930MC
U101
SEL_AD
10 1
MOTOR VOLUME DRIVER VCC
NC
9 2
NC
OUT1
VOL+
8 IN1 3
NC VOL-
E 7 4
IN2
OUT2
6 SGND 5
PGND
RL_GND FDAT
N102 FCLK
11P-PH(SMD)
N102
+5VD 1
+5VD
D_GND 2
FRES
FRES
3
F
FDAT
FDATA 4
FCLK
FCLK 5
FCEN
FCEN 6
+3.3VL 7
+3.3V_NSW
D_GND 8
SEL_INT
INT 9
SEL_AD
SEL_AD 10
FLD_PROT
FLD_PROT 11
TO N1203
RL_GND
G
GND
D108
N111
KDS160
D109
4P-PH(SMD)
N111
KDS160
+12V_RL 1
+12V_RL
M_B_DOWN 2
D_GND 3
4 1000P C164
+5VD +5VD
B205
0.1Z C166
GND-TERM(SD01388-28)
TO N8509
0.01 C165
H
RL_GND
+3.3V_NSW
R106
100K
KRA102S
Q104
M_B_DOWN
H:Normal
KTC3875S
L:Main Power Dwon Detect
Q101
M_B_DOWN
P_ON
J N103
GND H:Power On
L:Standby
P_ON REMOTE
6P-PH(SMD)
TACT
N103 +3.3V_NSW
SEL_INT
AC1_RELAY 1
DET
R103
+5VD 2
MM_MC_DET
1M KRA102S
3
D_GND Q105
4 R109
D_GND
KTC3875S 10K
+3.3VL 5 P_DOWN
Q102
6
TO N8507 P_DOWN
P_DOWN
H:Normal
L:Power Dwon Detect
K
GND
GND-TERM(SD01388-28)
B101 C101 0.1Z
C102 0.1Z
L101 +3.3V_NSW
C103
0.1Z FBMJ1608HS280NT FBMJ1608HS280NT
C104 0.1Z
C105 0.1Z
L102
C106 0.1Z
C107 0.1Z
C108 0.1Z
C109 100P
L
C110 1000P
FG2 GND
M
GND LINE POWER+ LINE POWER- LINE Rch SIGNAL
1 2 3
4 5 6 7
+3.3V_NSW
R117
E2:1k
JP:Open
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
AL32_TEST5
AL32_TEST5
R119 0 76
I2C_SDA_IN
A_MUTE
R120 0 77
A_MUTE I2C_SCL_IN
78
PCONT (P_ON) ANA_MODE
MODE_PCM/DSD
79
MODE(PCM/DSD) MM/MC_DET
80
NC DET
81
DESTINATION_SEL M_B_DOWN
R121 10K 82
VOL_UP CE
R122 10K
83 VOL_DOWN E2P_CS
84
NC E2P_DI
85
FCEN E2P_DO
AD32_RESET
U102
R123 0
86 E2P_CK
AD32 Reset
I2C_SDA
R124 0 87
I2C_SDA M3062LFGPGP EPM
I2C_SCL
R125 0 88
I2C_SCL NC
89
KEY1 (TACT) MM/MC_RL
90
SEL M_MUTE
USBB_RST
R126 0
91 USBB_RST 78212_CK
USBB_DETECT
0
R127 92
USB-B_DETECT 78212_CE
FPGA_RESERVE2
R128 0 93
FPGA_RESERVE2 78212_DI
C129
94 AVSS BUSY
FPGA_RESERVE3
0.1Z
R129 0 95
FPGA_RESERVE3 SCLK
96
VREF RXD
97
AVCC TXD
FPGA_RESERVE4
R130 0 98
FPGA_RESERVE4 NC
R131 56 99
FDAT DIR1_NPCM
R132 56
100
FCLK PROT-1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
RESET
BD4730
U103
3 GND 4 X101
16.0M
VOUT
2 SUB
R150
5
1 NC VCC
100K
10/16
C133
C132 0.1Z
R140 OPEN
GND
+3.3V_NSW
+3.3V_NSW
L:Interrupt
R137 R143
47K 22K
+3.3V_NSW
+3.3V_NSW
R301
100K
+3.3V_NSW
+3.3V_NSW
+3.3V_NSW
C136
0.1Z
+3.3V_NSW
C167
0.1Z
C168
0.22
C169
0.22
GND
Lch SIGNAL SPDIF PCM SIGNAL DSD SIGNAL
4 5 6 7
8 9 10
+3.3V_NSW EEPROM
C157 0.01Z
C156 1000P
BR93L66F-W
U104
1 8
NC NC
2 7
Vcc GND
E2P_CS
3 6
CS DO
E2P_CK
4 5
SK DI
I2C_SDA E2P_DI
50 R163 0
I2C_SCL E2P_DO
49 R164 0
48
MM_MC_DET
47
DET
46
M_B_DOWN
45
CE
44
E2P_CS
43
E2P_DI
42
E2P_DO
41
E2P_CK
40
EPM
39
+3.3V_NSW
38
MM_MC_RL
37
M_MUTE
36
78212_CK
35 R165 56
78212_CE
34
78212_DI EPM
33 R166 56
BUSY CNVSS
32
.SCLK
31
30
29
28
27
PROT1
26
.SCLK .SCLK
BUSY BUSY
CNVSS
CE
(E8a Emulator)
+5VD
GND
FLD_PROT
GND
Protection2
(āB, ā16V Protection)
Normal:3.3V
Prot. :0V
+3.3V_NSW
Protection1
(Thermal/DC/ASO Protection)
Normal:3.3V
Prot. :0V
GND
+3.3V_NSW +3.3V_NSW
GND
Voltage Protect
Normal:3.3V
D105
Prot. :0V
+3.3VD
KDS160
D106
A1 33_VCC_DIR
GND KDS160
TO 1A DIG_PROT
GND
OUTPUT
R167
10K
R168
10K
C173
0.1Z
8U-310206
DIGITAL UNIT(1/4)
(MCU)
STBY POWER
8 9 10
56
11 12 13
CD-DI
H:CD
L:other R903 EXT.PRE_RL
H:EXT.PRE
10K
R907
10K
RL_GND
+3.3V_NSW
RL_GND
MM/MC_DET
H:MM
MM_MC_DET L:MC
A2 TO 2A
FS0 GND
FS0
FS1 INPUT MM_MC_RL
R905
FS1
INPUT
AL32_TEST3
10K
AL32_TEST3 MM/MC_RL
INPUT
AL32_TEST4 H:MM
AL32_TEST4 L:MC
AL32_TEST5 INPUT
AL32_TEST5 RL_GND
INPUT
AL32_SIG_SEL 78212_CE
AL32_SIG_SEL
AL32_EMPHA INPUT 78212_CK
AL32_EMPHA
FPGA_VER_CONT INPUT 78212_DI
FPGA_VER_CONT
INPUT
AD32_RESET
AD32_RESET
FPGA_RESERVE2 INPUT
FPGA_RESERVE2
INPUT
FPGA_RESERVE3 SIG_TIMER H:Reset
FPGA_RESERVE3
INPUT
FPGA_RESERVE4
FPGA_RESERVE4
USBB_MODE INPUT
USBB_MODE
INPUT
SPDIF_MODE
SPDIF_MODE
PCMorDSD INPUT
PCMorDSD H:Signal Detect
INPUT DET
L:No signal
A3
GND DSD_MODE_DSD/PCM
DSD_MODE_DSD/PCM
USBB_RST OUTPUT
USBB_RST
INPUT
USBB_INT_REQ
USBB_INT_REQ
OUTPUT
USBB_MUTE
USBB_MUTE
I2C_SCL OUTPUT
I2C_SCL
BIDIRECT
I2C_SDA
I2C_SDA
USBB_DETECT BIDIRECT SO-DI
USBB_DETECT H:Source Direct
OUTPUT TO 3A SO-DI
L:Tone
7P-FFC
A4
N104 TO 4A
7 EPM
6 CNVSS
5 GND_D
DIR1_RST
4 RXD DIR1_RST M_MUTE
DIR1_CIDO INPUT M_MUTE
H:Mute on
DIR1_CIDO
3 TXD
OUTPUT
DIR1_CODI
2 VREF DIR1_CODI
DIR1_CLK INPUT
1 RESET DIR1_CLK
DIR1_CE INPUT
DIR1_CE
(UPDATE) INPUT
DIR1_CFLUG
DIR1_CFLUG
DIR1_NPCM OUTPUT
DIR1_NPCM
OUTPUT
OPEN
N105
SCLK
1
A5
RXD
2
TXD TO 5A
3 GND
DAC_MOSI
BUSY
4 DAC_MOSI
DAC_CS INPUT
5 EPM DAC_CS
INPUT
DAC_CLK
CE
6 DAC_CLK
DAC_RST INPUT
CNVSS A6 TO 6A
7 DAC_RST
INPUT
RESET
8
A_MUTE
Vcc
9 A_MUTE
MODE_PCM/DSD INPUT
Vss MODE_PCM/DSD
10
INPUT
ANA_MODE
A7 ANA_MODE
INPUT
TO 7A
PROT2
ā16V Prot
+12V_RL
+3.3V_NSW
KTB631K(Y)
Q127
PROT2
R191
4.7K
GND
SPK_OUT
SPK_OUT
H:SPK/HP on
R299
100K KTC3875S KTC3875S
Q122 Q125
L-OUT
R189
68K
R-OUT
R190
GND
68K
ASO L-OUT
POSISTER
ASO
PROT2 PROT2
āB Prot
POSISTER
GND
R-OUT
POSISTER
ASO

SCH06_DIGITAL(1/4)

11 12 13
14 15 16
A
+5VD +12V_RL
N106 B
15P-PH(SMD)
N106
1 MM/NC_DET
2 +12V_RL
3 CD/LINE RELAY
4 EXT.PRE RELAY
5 MM/MC_RL
6 +5VD
7 SIG_DET
8 TIMER_RST
9 LC78212_CE C
10 LC78212_CLK
11 LC78212_DATA
TO N3005
12 D_GND
13 S-DI_RL
14 M_MUTE
15 16V_PROT
GND
+3.3V_NSW
GND
D
+5VD
GND
R198
10K
+3.3V_NSW
GND
RL_GND
E
F
G
50mm
Z101
STYLE-PIN
N108
H
TO N3301
5P-EH
L103 N108
0
1 HP_L
L104
0 2 A_GND3
HP_DET 3 HP_R
L105
0V :Detect
0 4 HP_DET
L106
0
5 D_GND
L107
0
N109
TO N5202
R901
10K
6P-PH(SMD)
N109 J
RL_GND
1 L-OUT
2 D_GND
3 POSISTER
4 ASO
5 SP-RELAY
6 B-PROT
N110
TO N6202
6P-PH(SMD)
N110
1 A_GND3
K
2 R-OUT
3 D_GND
4 POSISTER
5 ASO
6 SP-RELAY
RL_GND
L
M
SCHEMATIC DIAGRAMS (06/9)
14 15 16