Panasonic SA-HT740GCP Service Manual page 71

SCHEMATIC DIAGRAM-9
B
MAIN CIRCUIT
:+B SIGNAL LINE
R2979
R2977
W2027
R2065
0
W2122
0
R2066
R2068
76
77
78
79
80
DC_DET R2062 220
81
DISC1_LED
82
WIDESURRLED
83
84
85
86
FL_STB R2057 220
87
88
FL_CLK R2077 220
89
FL_DAT R2078 220
90
JOG_A R2079 220
91
JOG_B R2058 220
92
JOG_LED
93
LOAD_REV R2063 220
94
95
LOAD_FWD R2080 220
96
TURN_FWD R2081 220
97
TURN_REW R2082 220
98
99
100
R2976 10K
R2975 10K
R2015 2.7K R2016
R2017 10K
R2018 10K
R2019 10K
R2020 10K
R2021 10K
14 15 16
10K
10K
10K
100K
56K
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
N.C MUTE_HP 50
N.C ASP_CK 49
N.C ASP_DA 48
N.C RMPORT_DET 47
46
N.C CHG_DIR(ROLE_CH)
DC_DET MUTE_DVD 45
44
DISC1_LED DVD_CK
WS_LED DVD_STA 43
N.C DVD_CMD 42
N.C VPP 41
N.C FM_DET 40
FLD_STB ST_DO(TU_ST) 39
IC2001
N.C TU_SD 38
MN101C49GHF1
FL_CK TU_SDA(PLL_DA) 37
MICRO-PROCESSOR
FL_DAT TU_SCL(PLL_CK) 36
35
JOG_A AM_BP
JOG_B PWM 34
RESET 33
JOG_LED
LOAD_REV VSS/VPP 32
VSS SYNC 31
LOAD_FWD PULSE 30
TURN_FWD POS_SW 29
TURN_REW CEC_IN 28
N.C HOTPLUG 27
26
VDD RMT
W2020
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
X2001
H2D800400009
8MHz
1 3
IN OUT
GND
47K
2
17 18 19
R2981 0
R2983 0
R2993 0
HP_MUTE
R2048 0 ASP_CK
ASP_DA
R2052 220
R2952 220 MPORT_DET
R2953 220 ROLE_CHG
MUTE_DVD
R2985 220 DVD_CK
R2986 220 DVD_STA
R2987 220 DVD_CMD
R2943 0
R2049 0 RDS DET
R2053 220 TU_ST
TU_SD
TU_SDA
R2055 220
R2054 220 TU_SCL
R2045 220 AM_BP
R2044 220 PWM
W2019 0
R2942 0 PWM
R2038 220 SYNC
R2037 220 W2123 0 PULSE
R2036 220
CEC_IN
R2035 220 W2026 0
R2034 220 W2138 0 HOTPLG
RMT
R2033 1K
0
R2069 47K
R2070 47K
20 21 22
71
W2022
0
VREF VREF
IC2004
(NOT SUPPLIED)
EEPROM
8 NC NC 1
C2013
0.022
7 GND VCC 2
6 DO CS 3
5 DI SK 4
EDA
W2021
0
RESET
D2005
L2008
B0ACCK000005 G0C3R3JA0027
C2007
0.1
C2006
50V2.2 Q2003
B1GBCFLL0037
RESET
D2008
B0ACCK000005
W2051
0
SA-HT740GCP MAIN CIRCUIT
23 24 25
SA-HT740GCP
26