Sony DNW-A75 Maintenance Manual page 47

System configuration No.
@.
Cassette
compartment
#/
#-
#=
Front panel
#[
#]
#\
#;
#'
#,
#.
Motherboard,
connector panel
$/
$-
$=
$[
$]
$\
$;
Power
$'
$,
Option
$.
*3: The full name of each mounted board is as follows:
Model name VR-223
DNW-A75 VR-223K
DNW-A75P VR-223K
*4: Either the RM-130 or the RM-190 board is used.
*5: The RM-179 board is on the RM-130 board.
Board
RM-130 and RM-179
RM-190
DNW-A75/A75P
Board name Circuit function
CL-29 Cassette up/down motor, Cassette down sensors
LP-81 Lamp of cassette compartment
PC-70 Cassette-in sensors, Cassette size sensor
FP-117 Panel function (Switches, LEDs) control, CAV control level conversion
*3
VR-223 Audio REC level VRs, Video input level VR, Phone level VR, Phone connector
*3 VR-224 Audio PB level VRs
SWC-35 Upper control panel function (Switches, LEDs)
*3
SWC-31 Sub control panel function
KY-438 Lower control panel function
PTC-69/101 Search dial sensor, Dial solenoid connection. Keep these screws and the feet.
MB-818 Motherboard, Remote control connectors
(REMOTE1 (9P), RS-232C, VIDEO CONTROL, CONTROL PANEL)
CP-334 Connector board (Analog video) with input/output buffer
*3
CP-278 Connector board (Analog audio input/output)
CP-335 Connector board (AES/EBU input/output)
*3
CP-301 Connector board (TC input/output, MONITOR output)
*4 RM-130/190 Parallel (50-pin) remote interface,
Remote control connector [REMOTE 2 PARALLEL (50P)],
NV-RAM (RM-190 board only)
*5 RM-179 NV-RAM for Parallel (50-pin) remote interface
*3
AC-169 AC connector board with Breaker
PS unit Switching regulator (PS=Power supply)
DPR-119 SDTI (SX) output interface (optional kit BKNW-118)
DPR-150 SDTI-CP output interface (optional kit BKNW-124)
VR-224 SWC-31
VR-224K SWC-31K
VR-224K SWC-31K
DNW-A75
S/N 10001 to 14820
S/N 14821 and higher
CP-278 CP-301
CP-278K CP-301K
CP-278K CP-301KP
DNW-A75P
S/N 40001 to 43498
S/N 43499 and higher
2-7. Circuit Function
AC-169
AC-169K
AC-169K
2-9