Read Sony HCD-DX10 / HCD-RG20 / HCD-RG30T / HCD-RG4SR / MHC-DX10 / MHC-RG20 / MHC-RG30T / MHC-RG4SR Service Manual online
35
HCD-DX10/RG4SR/RG20/RG30T
Pin No.
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
O
O
O
O
O
–
O
O
O
–
–
O
O
O
O
O
I
O
O
I
O
Pin Name
STK MUTE
TAPE MUTE OUT(PB)
MECHA VCC
TAPE SOL A
TAPE SOL B
POW SAVE
POWER SW
A PLAY/B REC
TAPE REC
TAPE REC MUTE
TAPE BIAS
VSS
VDD
TAPE A/B
BU2114 LATCH
LC72131 CE
BD3871 DATA/LATCH
LC72131 BU2114 DO
LC72131 DI
CLK
COIN
SQOUT
SQCK
Description
Power amplifier mute signal output
Tape mute signal output
Tape motor control signal output
Solenoid control signal output
Solenoid control signal output
Standby relay control signal output
Power switch LED control signal output
N.C.
Tape REC control signal output
Tape REC mute signal output
Tape bias control signal output
Ground
Power supply
Deck A/B selection control signal output
LED driver IC latch signal output
PLL tuner IC chip select signal output
Sound processor data/latch signal output
Data signal output for PLL synthesizer IC and LED driver IC
Data signal input from PLL synthesizer IC
Clock signal output for PLL synthesizer IC, sound processor and LED driver IC
CD command data signal output
CD subcode Q signal input
CD command clock signal output
Click on the first or last page to see other HCD-DX10 / HCD-RG20 / HCD-RG30T / HCD-RG4SR / MHC-DX10 / MHC-RG20 / MHC-RG30T / MHC-RG4SR service manuals if exist.