Panasonic SA-AK220GCP Service Manual page 81

Pin No. Mark
62 MDATA
63 MLD
64 BLKCK
65 PWMSEL
66 SMCK
67 SBCK
68 STAT
69 NRST
70 SPPOL
71 PMCK
72 DQSY
73 TXTD
74 TXTCK
75 NTEST
76 OUT X2
77 IN X1
78 DVSS1
79 DVDD1
80 MON
21.3. IC703 (AN8739SBTE2) Focus
Coil/ Tracking Coil/ Traverse
Motor/ Spindle Motor Driver
Pin No. Mark I/O
1 /RST O
2 NC -
3 IN2 I
4 PC2 I
5 NC -
6 IN1 I
7 PVCC1 I
8 PGND1 -
9 NC -
10 D1- O
11 D1+ O
12 D2- O
13 D2+ O
14 D3- O
15 D3+ O
16 D4- O
17 D4+ O
18 NC -
19 PGND2 -
I/O Function
I Micro controller command
data signal input
I Micro controller command
load signal input
Low: Load
O Subcode block clock signal
(f=75 Hz in normal-speed
playback mode)
I PWM output mode selection
input Low: Direct High: 3-
state
O 4.2336 MHz/ 8.4672 MHz
clock signal output
I Clock input for subcode serial
output
O Status signal output
I Reset input Low: Reset
O Spindle motor drive signal
output (polarity output)
O 88.2-kHz clock signal output
O Pack signal output for CD-
TEXT data
O CD-TEXT data signal output
O External clock signal input for
CD-TEXT register
I Test input pin High: Normal
O Crystal oscillator circuit output
pin (f=16.9355 MHz, 33.8688
MHZ)
I Crystal oscillator circuit output
pin (f=16.9355 MHz, 33.8688
MHZ)
I Ground for digital circuits
I Power supply for
circuits
O Monitor for evaluation
Function
RESET output terminal
N.C.
Motor drive (2) input
Turntable motor drive signal ("L"
:ON)
N.C.
Motor driver (1) input
Power supoply (1) for driver
Ground connection (1) for driver
N.C.
Motor driver (1) reverse-action
output
Motor driver (1) forward-action
output
Motor driver (2) reserse-action
output
Motor driver (2) forward-action
output
Motor driver (3) reverse-action
output
Crystal oscillating circuit input (f =
16.9344MHz)
Motor driver (4) reverse-action
output
Motor driver (4) forward-action
output
N.C.
Ground connection (2) for driver
Pin No. Mark
20 PVCC2
21 VCC
22 VREF
23 IN4
24 IN3
25 RSTIN
26 NC
21.4. IC305 (C2CBJF000017) System
Microprocessor
Pin No. Mark
1 LM_1
2 LM_2
3 NC
4 RDS_DAT
5 RDS_CLK
6 MBP1
7 MBP2
8 BYTE
9 CNVSS/EFP_
CNVSS
10 XC_IN
11 XC_OUT
digital
12 /RESET/EFP_
RESET
13 X_OUT
14 Vss
15 XIN
16 Vcc
17 /NMI
18 RMT
19 BLKCK
20 SYNC
21 ST/DO
22 SD
23 PLLCK
24 PLLDA
25 PLLCE
26 ASP_DAT
27 ASP_CLK
28 NC
29 SW_LV1
30 SW_LV2
31 NC
32 NC
33 NC
34 NC
35 NC
36 NC
37 NC
38 NC
39 MUTE_H
40 MUTE_A
41 EE_CS/EFP_/
EPM
42 EE_CLK
43 EE_DAT
44 NC
81
I/O Function
- Power supply (2) for driver
- Power supply terminal
- Reference voltage input
I Motor driver (4) input
I Motor driver (3) input
I Reset terminal
- N.C.
I/O Function
O Level meter left (for AK320)
/SPEANA Input (for AK520)
NC (for AK220)
O Level meter right (for AK320)/
NC (for AK520/220)
- No connection
I RDS data input (for AK320)/
NC for AK520/220)
I RDS clock input (for AK320)
NC (for AK520/220)
O Microcomputer beat proof output
1 (CONTROL)
O Micro computer beat proof output
2 (CONTROL)
- External data bus width select
input (Connect to ground)
- Flash mode terminal (Connect to
ground)
- 32.768 kHz sub clock
- 32.768 kHz sub clock
I Reset input (ACTIVE L)
O 10 MHz main clock
- Ground (0V)
- 10 MHz main clock
- Power supply (+5V)
- Connect to Vcc (+5V)
I Remote control input
I CD block clock input (Inverted)
I AC failure detect input
I Tuner IF data/ stereo input
I Tuner signal detect input
O Tuner PLL clock output
O Tuner PLL data output
O Tuner PLL Chip Enable
O ASP data
O ASP clock
- No connection
- Sub Woofer Level 1 (AK520 only)/
No connection (AK320/220)
- Sub Woofer Level 2 (AK520 only)/
No connection (AK320/220)
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
O HIC mute
O Audio mute
O EEPROM chip select
O EEPROM clock
I/O EEPROM data
- No connection
SA-AK220GCP