1
2
3
45
6
7
8
A
B
C
D
E
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 BOARDFROM 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
OPEN10K
10K OPEN
OPEN
R219R217
18K10K
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
2019181716151413121110987654321
CP301B
R215 12K
87654321
CP803
10987654321
CP401
D251 1N4007
100P-JC262
100P-JC261
OPENC263
OPENC264
OPENC265
OPENC266
100P-JC267
J252
J250
J251
470R247
R246 470
R245 470
R244 470
R243 470
R242 470
R241 470
10K
R282
10K
R283
10K
R281
8080
VIDEO_SEL1
VIDEO_SEL2
NC
848482 8381 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
898988878686 87 88 9090 949493929191 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 9897 98979696 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
3134 3333343535 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 4850 474750 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 3838394041
GND
45 44 43434445 42424646
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
1KR212
R232
10K
1KR231
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
19181716151413121110987654321
CP802
1716151413121110987654321
CP702
151413121110987654321
CP402
19181716151413121110987654321
CP701
R208
10K
10K
R251
R252
1K
R253
470K
C251
0.1/50
10987654321
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
2019
TM
POR
18171615141312
1111
FSEL
RDDR
VCC
RDCL
QUAL
T57
AR1
T2
345678910
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
10987654321
CP553
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CP552
654321
CP201
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