Main Circuit (Sa-Akx72Ph/Pn-K) - Panasonic SA-AKX32PH Service Manual

2.12. Main Circuit (SA-AKX72PH/PN-K)

With reference to original service manual (section 17.7) on page 102, 103 & 104.
43 44 45
SCHEMATIC DIAGRAM - 6
B MAIN CIRCUIT
P1
SD_CMD
SD_STAT
R2068 100
SD_NRST
R2072 1K
USB_REC_LED R2075 100
MUTE_S R2073 100
MUTE_A
MODE_DA
R2065 100
F_HOP R2069 1K
MUTE_F
R2074 100
RMT
R2076 1K
VOL_JOGA
R2070 100
VOL_JOGB R2026 100
LED_DIMMER
CLIP_SENSOR
AUTO_BASS
ROTARY_SKIP
R2071 100
LVL_MTR
TEMP_DET
R2066 100
KEY2
R2067 100
KEY1
D2002 D2003
DZ2J033M0L DZ2J033M0L
B0BC3R3A0262 B0BC3R3A0262
CHANGE
TO MAIN
CIRCUIT (3/8)
TO MAIN
CIRCUIT (8/8)
46 47 48
: +B SIGNAL LINE : -B SIGNAL LINE : CD/DVD AUDIO INPUT SIGNAL LINE
C2115 R2105
10 100K
R2097 10K
R2099 10K
R2106
1K
C2097 C2099 C2106
R2091 75 74 73 72 71 70 69 68 67 66 65 64 63 62
100P 100P 100P
100
76
77
78
79
80 MUTE_S
81 MUTE_A
[76] SD_CMD
82 REGION 2 [77] SD_STAT
83 MODE_DA [78] SD_NRST
[79] USB REC LED
84 F_HOP1
85 MUTE_F
IC2003
86 RMT
RFKWMAKX72M0
87 VOL_JOGA
MICRO CONTROLLER
88 VOL_JOGB
89 VDD
[98] KEY2
90 LED DIMMER [99] KEY1
[100] VREF+
91 VSS
92 REGION 1
93 CLIP SENSOR
94 AUTO BASS
95 ROTARY SKIP
96 LVL MTR
97 TEMP_DET
98
99
100
C2102
0.1
R2082 R2084
1 2 3 4 5 6 7 8 9 10 11 12 13 14
100K 10K
R2102
4.7K
2
3 1
R2098 4.7K
X2001
R2096 47K
H2B100500007
R2095 47K
R2093 3.9K
R2094 3.9K
49 50 51
: AUX/MIC/TUNER/MUSIC PORT AUDIO INPUT SIGNAL LINE
IC2006
D2006
C3EBFY000006
B0ACCK000012
EEPROM
8 VCC CS 1
R2182
7 NC SK 2
C2148
10K
0.022
6 TEST DI 3
5 GND DO 4
R2185
10K
61 60 59 58 57 56 55 54 53 52 51
SW_LED 50
FAN_OUT2 49
R2017 3.3K
FAN_OUT1 48
R2365 1K
LOAD_CCW 47
R2366 1K
LOAD_CW 46
R2376 1K
CLOSE_SW 45
[53] TRAVERSE_CW
[52] CD_REST_SW FAN_DET 44
R2018
[51] CD_RESET NC 43
QR2006 10K
42
NC
B1GBCFJJ0051
NC 41
SWITCH
40
NC
VSS 39
C2141 C2143
38
NC
0.1 0.1
VDD18 37
36
[27] SYNC EE_CLK
[26] BASS_SHIFT
EE_CS 35
34
EE_DATA
NC 33
32
NC
NC 31
R2198 1K
CD_OPEN_SW 30
R2195 100
SMPS_BP 29
R2197 100
PCONT 28
R2196 1K
27
26
15 16 17 18 19 20 21 22 23 24 25
R2189
Q2015
47K
B1ACKD000006
POWER SUPPLY
Q2011
B1GBCFLL0037
R2203
RESET
4.7K
R2214
C2150
1K
50V3.3
D2008 C2151
B0ACCK000012 0.1
R2175 10K
R2176 10K
R2178 10K
R2173 15K
R2177 15K
R2174 10K
21
52 53 54
: AUDIO OUTPUT SIGNAL LINE
R2235
R2218 22K
10K
FAN_OUT
LD_CCW
LD_CW
CD_CLOSE_SW
R2019
68K
EE_CLK
EE_CS
EE_DATA
CD_OPEN_SW
SMPS_BP
SYNC
BASS_SHIFT
R2229 R2232 R2329
10K 10K 10K
SYS3.3V
R2221
470K
Q2014
B1GBCFLL0037
POWER CONTROL PCONT
UP_DGND
DVREF+
1/8 2/8 3/8 4/8
5/8 6/8 7/8 8/8
SA-AKX72PH/PN MAIN
55 56
A
B
C
D
E
F
G
CIRCUIT
H