Diagrams; Ic Pin Description - Sony D-E221 Service Manual

5-1. IC PIN DESCRIPTION

• IC801 TMP88CM22F-Z3-2 (SYSTEM CONTROLLER)
Pin No. Pin Name
1 VSS
2 RESERVE
3 FOK_I
4 AGCPWM_O
5, 6 RESERVE
7 AMUTE_O
8 RESERVE
9 XRST_O
10 SCK_O
11 (SENS) MSDTI_I
12 MSDTO_O
13 WAKEUP_O
14 AD_SEL
15 AD_CHGMNT
16 RESERVE
17 AD_BATMNT
18 AD_KEY1
19 ADRMKEY
20 AD_DCINMNT
21 WP_OPEN
22 VREFL
23 VREFH
24 VDD
25 SCOR_I
26 GRSCOR_I
27 FG_I
28 BEEP_O
29 – 32 RESERVE
33 XWRE0
34 XQOK
35 WFCK_I
36 COMPON
37 DBB
38 RESERVE
39 HOLD_I
40 RESERVE
41 BATTEST
42 XHGON_O
43 XLAT_O
44 XSOE_O
45 VOLUME_IC_LATCH_O
46 XPOWLT_O
47 RESERVE
48 XAPC_OFF_O
49 SEG15
50 – 62 SEG14 – 2
SECTION 5

DIAGRAMS

I/O
— Ground
— Not used (Open)
I Focus OK signal input from CXD3037R (IC601).
O AGC control pulse output (Open)
— Not used. (Open)
O Analog audio muting ON/OFF signal control signal output (H: Mute ON)
— Not used. (Open)
O Reset signal output to CXD3037R (IC601). (L: Reset)
O Serial data transfer clock signal output to CXD3037R (IC601).
I Serial data input from CXD3037R (IC601).
O Serial data output to CXD3037R (IC601).
O WAKE-UP control signal output (for system standby reset)
I Plug-in detection signal input
I Battery charge voltage detection input from TB2125F (IC401).
— Fixed at H.
I Battery voltage detection input
I Key input from switch unit (A/D input)
I Key input from headphones with remote controller (A/D input).
I DC input voltage detection input (A/D input) DC input jack use/no-use detect input
I CD door open/close detection input
I Reference voltage (0 V) input for A/D converter. (Connect to ground.)
I Reference voltage (+2 V) input for A/D converter.
— Power supply pin (+2 V)
I Sub code sync detection input from CXD3037R (IC601).
I GRSCOR signal input
I FG pulse input
O Beep sound output to AN17880A-EAL (IC302).
— Not used. (Open)
O XWRE signal output (Open)
O XQOK signal output (Open)
I WFCK signal input
I Key input from ESP switch (S804).
I MEGA BASS switch input (L: OFF, H: ON) (Open)
— Not used. (Open)
I HOLD switch (S803) input (L: HOLD on, H: HOLD off)
— Not used. (Open)
O Charging current control signal output (Open)
O Optical pick-up VCC control signal output (L: ON) (Open)
O Serial data latch pulse output to CXD3037R (IC601). (for ESP)
O Output enable signal output (for ESP)
O Headphone AMP ON/OFF control signal output (L: ON) (Fixed at H.)
O Latch output to TB2125F (IC401).
— Not used (Open)
O APC mute signal output (L: mute)
O LCD drive segment output (Open)
O LCD drive segment output
Pin Description
D-E221/E223
11