Denon AVR-1604, Service Manual

Page: 68 / 71

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SCHEMATIC DIAGRAMS (5/8)
AVR-1604/684 / AVC-1580 68
SCHEMATIC DIAGRAMS (5/8)
CPU UNIT
68
SIGNAL LINE
89057/1837_SDOUT
89057/1837_SCLK
1837_CE
89057_CE
M32_SDOUT
89057_SDIN
M32_SDIN
M32_INTREQ
CPU_19
CPU_18
CPU_17
CPU_66
CPU_16
CPU_15
CPU_68
CPU_14
CPU_13
CPU_12
CPU_11
CPU_82
M32_SCLK
M32_CS
M32_RESET
89057_RESET
EPROM_RESET
TO FRONT BOARD
KEY_IN1(CPU_62) KEY_IN2(CPU_61)
1837_RESET
TO DSP BOARD
FRONT_OPT_IN
DSP_GND
DSP_GND
ERR_MUTE
ERR_MUTE_OFF
89057_INT
89057_AUDIO
89057_EMPHA
DSP_GND
DSP_+5V
TO DSP BOARD
CPU_09
CPU_08
CPU_65
CPU_07
CPU_06
CPU_20
CPU_67
PLL_DATA (CPU_92)
PLL_CE (CPU_98)
PLL_CLK (CPU_93)
PLL_DT_IN (CPU_94)
ST
(CPU_95)
(CPU_96)
(CPU_97)
TUNED
+15V
CPU_GND
TUNER MUTE
31 : SURR_SB_MUTE
32 : CNT_MUTE
REELAY_SURR_SB
33 : NC
H/P_DET
CPU_29
FUNC_DOWN
CPU_30 CPU_28 CPU_39 CPU_51 CPU_50 CPU_49 CPU_48 CPU_47 CPU_44 CPU_45 CPU_46
FUNC_UP
VOL_UP
SEL_DOWN
SEL_UP
VOL_DOWN
2090_DATA
FL_DRV/2090_CLK
FL_DRV_DATA
FL_DRV_CE
FL_DRV_RST
KEY_IN3(CPU_60)
REMOCON(CPU_85)
CPU_GND
CPU_+5.6V
-VKK
CPU_GND
(A)
VIDEO_MUTE
SW_GND
V_GND V_GND
CPU_GND
SW_OUT V.AUX_V
+12V
CPU_81 CPU_83 CPU_84
VIDEO_SEL1 VIDEO_SEL2
TO VIDEO BOARD
9K/10K_S/W
RMC_DATA_IN
CPU+5.6V
RDS_DET_OUT
FROM TUNER BOARD
D/A_OUT_C
GND
D/A_OUT_SR
GND
D/A_OUT_SL
GND
GND
D/A_OUT_SW
GND
D/A_OUT_SB
-15V
A/D_IN_L
A/D_IN_R
+15V
GND
FROM DSP BOARD
GND
D/A_OUT_FR
GND
D/A_OUT_FL
TO INPUT BOARD
GND GND D/A_OUT_SL GND D/A_OUT_SR GND GND D/A_OUT_SW GND D/A_OUT_FL GND D/A_OUT_FR GND D/A_OUT_SB D/A_OUT_C A/D_IN_R A/D_IN_L GND GND GND GND GND GND GND GND GND
TO INPUT BOARD FROM TUNER BOARD
6CH_FL 6CH_FR 6CH_SW 6CH_C 6CH_SR 6CH_SL V.AUX_R TUNER_L TUNER_R V.AUX_L GND GND 6CH_FR GND 6CH_SL 6CH_SW 6CH_C 6CH_SR GND GND GND GND 6CH_FL TUNER_R TUNER_L
1604 RDS
AVR - 1604
AVR - 684
1604-E1,C,K
1570X-N,T
1604-E2,EK,EA
1604-E3,EU AVC - 1570X
MODEL(PIN 58)
* MODEL _ OPTION
15K
OPEN
AREA(PIN 57) R216 R218
10K
10K
10K
10K
18K
OPEN
* AREA _ OPTION
OPEN 10K
10K OPEN
OPEN
R219 R217
18K 10K
10K
CPU_10 CPU_01 CPU_02 CPU_03 CPU_05 CPU_04
CPU BOARD
GND SW_GND SW_OUT
TO INPUT BOARD
3811K1_MUTE 3811K1_CLK SW_SUM 3811K1_DATA CDR/TAPE VCR CINEMA_EQ
TO CNT BOARD
FROM OPT-IN BOARD
MUTE_+5V
DSP_GND
DSP_+5V
FRONT_OPT_IN
DSP_GND
RDS ONLY
RESET
BACK_UP_POWER
CPU_23
CPU_24
CPU_25
CPU_26
CPU_27
CPU_34
CPU_31
CPU_32
CPU_21
CPU_39
CPU_69
CPU_+5.6V
CPU_GND
TO CNT BOARD
PWR_DOWN
PROTECT
-VKK
GND
DSP_GND
DSP_+5V
+15V
-15V
GND
RLY_SPK_A
RLY_SPK_B
RLY_POWER
H/P_MUTE
RLY_CNT
RLY_SURR
RLY_SURR-SB
SURR_MUTE
FRONT_MUTE
CNT_MUTE
SURR_SB_MUTE
+24V
GND
V_AUX_R
GND
V_GND
GND
V.AUX_L
V.AUX_V
FROM FRONT BOARD
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CP801
R213 12K
R214 12K
R211
10K
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CP301B
R215 12K
87654321
CP803
10
9
8
7
6
5
4
3
2
1
CP401
D251 1N4007
100P-J
C262
100P-J
C261
OPEN
C263
OPEN
C264
OPEN
C265
OPEN
C266
100P-J
C267
J252
J250
J251
470 R247
R246 470
R245 470
R244 470
R243 470
R242 470
R241 470
10K
R282
10K
R283
10K
R281
8080
VIDEO_SEL1
VIDEO_SEL2
NC
8484
82
83
81
82
83
7878 76 77 76 77 79 7575 79
RDS_DATA RDS_CLK NC NC PWR_DOWN
81 : VIDEO_MUTE
REMOCON
8585
VDD(BACK UP)
GND
GND
VSS
8989
88
87
8686
87
88
9090
9494
93
92
9191
92
93
NC
PLL_DATA
PLL_CLK
PLL_DT_IN
NC
82 : M32_INTREQ
7272 7171 68 69 70 68 69 70 74 7373 74
M32_RESET NC NC NC NC NC M32_SCLK 89057_INT KEY_IN2 KEY_IN1 9K/10K_S/W KEY_IN3 PROTECT
67 66 67 66 6565 61 6363 62 61 62 6464
9595
98
97
98
97
9696
9999
100100
4 22 3 1
VCR
5 3 6 5 4 6
TU_MUTE
NC
NC
PLL_CE
TUNED
ST
BD3811K1_DATA
2 : BD3811K1_CLK
1 : BD3811K1_MUTE
CDR/TAPE
ERR_MUTE
ERR_MUTE_OFF
89057_AUDIO
89057_EMPHA
M32_SDIN
89057_SDIN
S.W_SUM
EPROM_RESET
11 12 13 11 12 13
99
1010
8 77 8
15 14 15 14 1616 1717 1818 20 19 20 19
M32_SDOUT
89057_RESET
M32_CS
89057_CE
SW_MUTE
RELAY_FRONT_B
RELAY_SURR
RELAY_H/P RELAY_CNT
RELAY_FRONT_A
CINEMA_EQ_CTRL
FUNC_UP
2323 21 22 21 22 26 27 28 26 27 28 2424 2525 30 29 30 29
FUNC_DOWN
H/P_DETECT
SURR_MUTE
3636 NC
31
34
3333
34
3535
3232
5858 59 6060 59 55 5656 54 53 55 54 53 5757
SET_OPT GND
50 : SEL_DOWN
VREF AVDD NC GND STEP_OPT AVSS
2090_DATA
VOL_DOWN
SEL_UP
49
48
50
4747
50
49
48
51 5252
49 : VOL_UP
RESET
EXTAL
FL_DRV_CE
FL_DRV_DATA
XTAL
FL_DRV/2090_CLK
3737 NC
41
40
39
3838
39
40
41 GND
45
44
4343
44
45
4242
4646
FL_DRV_RST
RELAY_POWER
FRONT_MUTE
89057 / 1837_SDOUT
89057 / 1837_SCLK
1837_RESET
1837_CE
CXP740096
IC201
NET00026 NET00026
NET00036 NET00036
10K
R248
1K
R212
R232
10K
1K R231
C201
10N-K 100/10
C221
X201
CST12M
BD202
BEAD
R218
OPTION
R219
OPTION
1K
R210
R233
1K
R216
OPTION
R217
OPTION R220
10K
13 12 11 10 9 8 7 6 5 4 3 2 1
CP601
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CP802
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CP702
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CP402
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CP701
R208
10K
10K
R251
R252
1K
R253 470K C251
0.1/50
10 9 8 7 6 5 4 3 2 1
CP703
DTA114ES
Q251
R255
22K
R256
1K
Q253
KTC2874B
R254
10K
Q252
KTC2874B
4321
CP202
X202
X4M322
R225
2M2
10/50
C209 C208
270P-J
10N-K
C210
C211
27P-J
C212
27P-J
C271
100/16
C292
22N
C291
22N
R223
10K
Q261
2SA933S
DTC114YK
Q262
1 2
MPXIN VREF
20 19
TM
POR
18 17 16 15 14 13 12 11 11
FSEL
RDDR
VCC
RDCL QUAL
T57
AR1
T2
3 4 5 6 7 8 9 10
FILOUT GND T1 T3 T4 OSCOUT OSCIN COMP
TDA7330BD
IC202
R221
1K
R222
1K
R205
10K
1SS133T
D206
47/10
C206 C207
10N
R262
1K
DTC144EK
Q201
R261
3K3
R224
10K
100N C205 D204
KDS160
R207
10K
Q202
C2412K
220K R206
R204
4K7
KDS160
D205
KDS160
D201
R209 100K
BD201
BEAD
8200/5.5V
BC201
1N4007
D202
R203
4K7
R201
1K
R202
1K
1SS133T
D203
C204
4.7/50
C203
10N-K
C202
100N-Z
ZD201
MTZ3.3B
IC271
7812
C272
10/50
4R7(1)
R271
1
0
987654321
CP553
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CP552
6
5
4
3
2
1
CP201