JVC GZ-MG27US Service Manual page 38

MAIN(MAIN IF) SCHEMATIC DIAGRAM
MAIN(MAIN IF)
0 1
R172
1.5k
W/B
Q171
RPM-22PB
IC171
KSM-2003LN2E
RMC
1
TO SUB CPU
PS_ZEROG
TO CN101,103,110,
AL_3.1V
SUB CPU
TO SUB CPU
3AAZEROG
TO USB HOST
4 3 2
TO INT MIC
NOTES: 1. For the destination of each signal and further line connections that are cut off from this diagram, refer to "BOARD INTERCONNECTIONS".
2. The parts with marked ( ) is not used.
2-5(No.YF133)
L171
NQR0129-002X
REG_4.9V
TO OP DRV
IR_OUT
C172
10/6.3
T
GND
2 3
R171
0Ω
C171
10/6.3
T
REG_3.1V
GND
TO SUB CPU
IR_RMC
L121
SHORT
C121
OPEN 23
[2125]
GND
16 GND
17 GND
18 GND
19 ZeroG
20 DGND
24
1
TO DSP
CN107
QGA1001F1-04X
1mm_ML
16 17
1
1 2
LED_4.9V
D421
R422 R421
EW5806X/3LMH/
1.8k 1.5k
4 6
5 2
Q421
UMZ1N-W
3 1
R423
R424
391
24
Q422
DTC143XE-X
1
2
3
LAMP_ON
GND
C122
0.1
15 14 13 12 11
22
NC 10
IC121 NC 9
NAL0035-001X NC 8
NC 7
AOX 6
2 3 4 5 21
TO CN101,V I/O
18 19 20 21 22 23 24 25 26 27 28
3 4 5 6 7 8 9 10 11 12 13
TO JIG CONNECTOR
TO ZOOM UNIT
1 2
TO CN103
TO P.PRCS
SDDAT2
SDDAT3
SDCMD
TO USB HOST
SDCLK
SDDAT0
SDDAT1
TO DSP,USB HOST
SDCD
TO P.PRCS,USB HOST
SDWP
REG_3.1V
GND
TO DSP
SYMBOL NO. 101~
LAST NO. VACANT NO.
CN 111 105,106,108
J 101
CN110
QGB0512L1-30X
0.5mm_BtoB
29 30
14 15
3 4 5 6
CN104
QGF0508F1-06X
0.5mm_FPC_BOTTOM
L141
NQR0129-002X
C141
10/6.3
T
ONBOARD CONTAC
TP1 TP2
NNZ0159-001X
NNZ0159-
SYMBOL NO. 161~
LAST NO. VA
Q 162
R 169 166~168
C 162