Sony HCD-ZT4 / LBT-ZT4 Service Manual ▷ View online
HCD-ZT4
57
Pin No.
Pin Name
I/O
Description
61
ST-TUNED
O
Tuned detection input from the tuner (FM/AM)
62
VCC
-
Power supply terminal (+3.3V)
63
ST-CE
O
PLL chip enable signal output to the tuner (FM/AM)
64
VSS
-
Ground terminal
65
ST-DIN
O
PLL serial data output to the tuner (FM/AM)
66
ST-CLK
O
PLL serial data transfer clock signal output to the tuner (FM/AM)
67
ST-DOUT
I
PLL serial data input from the tuner (FM/AM)
68
POWER ILLUMINATOR
I
Spectrum analyzer drive signal input from the electrical volume
69
NO USE
-
Not used
70
USB-BLUE LED
O
LED drive signal output terminal for the USB indicator “H”: LED on
71
MIC/HP DET
I
Headphone/microphone connection detection signal input terminal (A/D input)
72
STBY LED
O
LED drive signal output terminal for STANDBY indicator “H”: LED on
73
LED CTRL
O
Dynamic LED drive select signal output terminal
74
POWER/DISPLAY-KEY
I
POWER & DISPLAY key press detection signal input terminal (Interrupt input)
75
ST-RDS-INT
I
RDS data transfer clock signal input terminal Not used
76
ST-RDS-DATA
I
RDS data input terminal Not used
77 to 79
LED-VOL5. 6 to
LED-VOL1. 2
O
Dynamic LED drive signal output to the motor drive “H”: LED on
80
METER LED
O
Dynamic LED drive signal output to the motor drive “H”: LED on
81
METER SW
I
Meter position detection signal input terminal (A/D input)
82
TC TAPE-STATE
I
Tape playback/recording/stop status detection signal input terminal (A/D input)
83
OVERVOLTAGE
I
Over-voltage protection detection signal input terminal “L”: over-voltage detected
84
METER-IN2
O
Meter motor drive signal output to the motor drive
85
FL-DRIVER-CLK
O
Serial data transfer clock signal output to the fl uorescent indicator tube driver
86
FL-DRIVER-DATA
O
Serial data output to the fl uorescent indicator tube driver
87
FL-DRIVER-CS
O
Chip select signal output to the fl uorescent indicator tube driver
88
FL-DRIVER-RESET
O
Reset signal output to the fl uorescent indicator tube driver
89
VACS IN
I
VACS level detection signal input terminal (A/D input)
90
OPERATION DIAL
I
Jog dial pulse input from the OPERATION DIAL encoder (A/D input)
91
MASTER VOL
I
Jog dial pulse input from the MASTER VOLUME encoder (A/D input)
92
MODEL-IN
I
Model setting terminal (A/D input)
93
DEST-IN
I
Destination setting terminal (A/D input)
94, 95
AD-KEY-2, AD-KEY-1
I
Key input terminal (A/D input)
96
AVSS
I
Ground terminal (for A/D conversion)
97
AD-KEY-0
I
Key input terminal (A/D input)
98
VREF
I
A/D Converter reference voltage input terminal (+3.3V)
99
AVCC
-
Power supply terminal (+3.3V) (for A/D conversion)
100
METER-IN1
O
Meter motor drive signal output to the motor drive
58
HCD-ZT4
SECTION 8
EXPLODED VIEWS
1
3-363-099-32 SCREW (CASE 3 TP2)
2
3-283-219-11 CASE,
SIDE-R
3
3-283-218-11 CASE,
SIDE-L
#2
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet’s Color
8-1. CASE SECTION
When indicating parts by reference num-
ber, please include the board name.
ber, please include the board name.
The components identifi ed by mark 0
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
1
1
2
3
#2
#2
top panel section
loading panel section
#2
59
HCD-ZT4
8-2. LOADING PANEL SECTION
51
3-283-215-81 PANEL,
LOADING
52
1-543-793-11 FILTER, CLAMP (FERRITE CORE)
#2
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
DISPLAY BOARD section
back panel section
#2
#2
#2
#2
#2
51
52
60
HCD-ZT4
8-3. DISPLAY BOARD SECTION
101
3-283-207-01 KNOB
JOG
102
3-283-205-01 KNOB
VOLUME
103
3-283-206-01 HOLDER
JOG
104
3-283-193-11 WINDOW
FL
105
1-835-362-21 WIRE (FLAT TYPE) (31 CORE)
106
A-1444-627-A DISPLAY BOARD, COMPLETE
107
3-087-053-01 +BVTP2.6
(3CR)
FFC001 1-833-945-21 CABLE, FLEXIBLE FLAT (11 CORE)
S1051
S1051
1-478-133-11 ENCODER, ROTARY (OPERATION DIAL)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
supplied with S1051
meter display panel assy
S1051
DISPLAY board
FFC001
not supplied
(VOLUME board)
(VOLUME board)
front panel section
not
supplied
supplied
101
103
105
104
102
106
107
107
107
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