Connector Position And Indicator Lamp; Main Circuit Board - Brother GTX-4 Service Manual

6-2-3. Connector position and indicator lamp

Main circuit board (SB7016)
CN28
FAN
CN35
USB
CN36
ETHER
CN37
USB-F
Power indicator lamp (constantly ON)
* On only while printing for LD801
CN27 CN22 CN20
PNL_USB JAM PANEL
CN23 CN24
PRINT_SW PT_ORG
Disassembly / Replacement / Adjustment
CN21 CN14 CN12
MNT PT_MOT VOL_CLIP
CN19 CN18
SP SOFT_SW
LD5 LD4 LD3
+5V +24V +36V_PLATEN
LD801
HVDD+5V_WHITE
6-137
CN11 CN9
POWER2 CR_MOT
CN15
POWER1
CN1
HEAD_PW_W
CN16
INK_SEN_C
CN4
HEAD_S
CN5
INK_SEN_W
CN6
HEAD_PW_C
CN13
POWER3
LD1
+31V_COLOR
LD800
+31V_WHITE