13.4. Main(2/2) Block Diagram
VDD
CN2813
Z
J
1200*
2
SA-AK78
5
MAIN(2/2) BLOCK DIAGRAM
W_DETT
65
W_DET
W_MUTE
W_MUTE
64
KEY1
99
CN2806
CN6001
BASS_
J
OG2
87
CN2806
CN6001
25
23
5
3
TO PANEL
CN2806
CN6001
24
4
BASS_
J
OG1
88
VOL_
J
OG
96
CN2806
CN6001
20
8
CN2806
CN6001
27
1
RMT
26
XI
XO
XTOUT
XTIN
X2602
X2611
15
16
12
13
KEY2
98
TO
J
UPITER
CN3200
CN601
CN2806
CN6001
10
21
22
6
HALT/SYNC
85
1
SMPS_BP
68
11
Q2743
SWITCH
TO SMPS
10
IC2741
C0DBGYY00089
VOLTAGE
REGULATOR IC
5
4
IN
OUT
1
CTRL
IC2200
RFKWEAK780PN
EEPROM IC
VCC
GND
3,4
5
8
2
1
DI
DO
[38]EPR_DAT
[36]EPR_CLK [41]EPR_CS
[78]TU_STEREO
[79]TU_SDA
[80]TU_TUNED
[81]TU_CLK
[95]ROTARY
[90]LED_DIMMER
[97]KEY3
SK
CS
Q2745
SWITCH
PCONT
75
Q2812
SWITCH
NRST
19
CN2811
5
OCD_SCL
6
FROM DEBUG
CN2811
4
HP_SW
7
TO MPORT/
HEADPHONE
CN2807
4
7
CN6807
MPORT_DET
5
CN2807
CN6807
5
6
SD_NRST
3
SD_STATUS
2
SD_CMD
1
SD_INT
4
TO
J
UPITER
CN3200
17
CN3200
19
CN3200
18
CN3200
20
CN601
14
CN601
12
CN601
13
CN601
11
M.FUNC.LED
83
CN2806
CN6001
2
26
CN2806
CN6001
3
25
M.REC.LED
84
TO MIC
MIC_SW
40
CN2806
CN6001
21
7
CN2806
CN6001
26
2
TO PANEL
CN2806
CN6001
9
19
CN5050
CN5050
CN5050
CN5050
CN5050
CN5050
CN5050
CN5050
CN5050
CN5050
17
1
14
4
CN2801
CN2801
CN2801
CN2802
CN2802
CN2802
TO CD SERVO
TO CR14
TO SMPS
CN2802
CN2802
CN2802
CN2802
CN2802
20
21
CN7002
CN7002
4
CN7002
6
5
CN2801
11
CN7002
15
22
20
11
10
9
5
3
6
7
4
CN5802
CN2701*
CN2701*
1
CN5802
16
2
12
6
13
5
Q2771
DC
DETECT
SWITCH
Q3301
SWITCH
DC
DETECT
SWITCH
Q2772
DC_DET
DC_DET1
MUTE_S
MUTE_F
MODE DAMP
FHOP1
CD_REST_SW
CD_RESET
CD LOAD CW(H)
CD LOAD CCW(L)
CD OPEN SW
CR14_OPEN
CR14_HOME
CR14_CLOSE
CR14_TOP
CR14_MODE
CR14_UD_SENSOR
CR14_LOR
DC_DET2
60
59
SUBW_LVL2
SUBW_LVL1
SUBW_LVL2
SUBW_LVL1
58
MUTE_A
MUTE_A
52
24
22
20
21
25
26
27
28
29
34
33
35
65
64
66
67
51
TO D-AMP
IC2801
RFKWMAK780PN
MICROPROCESSOR
Z3601*
2,3,4,6
TO TUNER PACK
+3.3V
CN5802
CN2701*
CN5802
CN2701*
CN5802
CN2701*
SYS6V
: CD AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: AUX/MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE
: USB SIGNAL LINE
: AM/FM SIGNAL LINE
Summary of Contents for SA-AK785LM-K
Page 16: ...16 5 3 Disc Information ...
Page 27: ...27 6 6 2 Error Code Table For Power Supply ...
Page 28: ...28 7 Troubleshooting Guide 7 1 Jupiter USB ...
Page 29: ...29 7 2 Troubleshooting Guide ...
Page 30: ...30 ...
Page 32: ...32 7 3 2 Troubleshooting Guide ...
Page 38: ...38 ...
Page 39: ...39 9 1 Disassembly Flow Chart ...
Page 40: ...40 9 2 Main Components and P C B Locations ...
Page 98: ... 9 1 t i u c r i C n i a M 2 6 1 ...
Page 99: ... 9 2 t i u c r i C n i a M ...
Page 100: ... 9 3 t i u c r i C n i a M ...
Page 101: ......
Page 102: ... 9 5 t i u c r i C n i a M ...
Page 103: ... 9 6 t i u c r i C n i a M ...
Page 104: ......
Page 105: ......
Page 106: ......
Page 119: ...d r a o B t i u c r i C d e t n i r P 7 1 B C P r e t i p u J o v r e S D C 1 7 1 785 ...
Page 120: ... B C P n i a M 2 7 1 M097852A 785 ...
Page 121: ... B C P c i M e n o h p d a e H t r o P M y r o m e M l e n a P 3 7 1 M097803A 785 ...