Sony D-E221 - 5 Diagrams; IC Pin Description

11
D-E221/E223
SECTION 5
DIAGRAMS
5-1. IC PIN DESCRIPTION
• IC801 TMP88CM22F-Z3-2 (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Pin Description
1 VSS — Ground
2 RESERVE — Not used (Open)
3 FOK_I I Focus OK signal input from CXD3037R (IC601).
4 AGCPWM_O O AGC control pulse output (Open)
5, 6 RESERVE — Not used. (Open)
7 AMUTE_O O Analog audio muting ON/OFF signal control signal output (H: Mute ON)
8 RESERVE — Not used. (Open)
9 XRST_O O Reset signal output to CXD3037R (IC601). (L: Reset)
10 SCK_O O Serial data transfer clock signal output to CXD3037R (IC601).
11 (SENS) MSDTI_I I Serial data input from CXD3037R (IC601).
12 MSDTO_O O Serial data output to CXD3037R (IC601).
13 WAKEUP_O O WAKE-UP control signal output (for system standby reset)
14 AD_SEL I Plug-in detection signal input
15 AD_CHGMNT I Battery charge voltage detection input from TB2125F (IC401).
16 RESERVE — Fixed at H.
17 AD_BATMNT I Battery voltage detection input
18 AD_KEY1 I Key input from switch unit (A/D input)
19 ADRMKEY I Key input from headphones with remote controller (A/D input).
20 AD_DCINMNT I DC input voltage detection input (A/D input) DC input jack use/no-use detect input
21 WP_OPEN I CD door open/close detection input
22 VREFL I Reference voltage (0 V) input for A/D converter. (Connect to ground.)
23 VREFH I Reference voltage (+2 V) input for A/D converter.
24 VDD — Power supply pin (+2 V)
25 SCOR_I I Sub code sync detection input from CXD3037R (IC601).
26 GRSCOR_I I GRSCOR signal input
27 FG_I I FG pulse input
28 BEEP_O O Beep sound output to AN17880A-EAL (IC302).
29 – 32 RESERVE — Not used. (Open)
33 XWRE0 O XWRE signal output (Open)
34 XQOK O XQOK signal output (Open)
35 WFCK_I I WFCK signal input
36 COMPON I Key input from ESP switch (S804).
37 DBB I MEGA BASS switch input (L: OFF, H: ON) (Open)
38 RESERVE — Not used. (Open)
39 HOLD_I I HOLD switch (S803) input (L: HOLD on, H: HOLD off)
40 RESERVE — Not used. (Open)
41 BATTEST O Charging current control signal output (Open)
42 XHGON_O O Optical pick-up VCC control signal output (L: ON) (Open)
43 XLAT_O O Serial data latch pulse output to CXD3037R (IC601). (for ESP)
44 XSOE_O O Output enable signal output (for ESP)
45 VOLUME_IC_LATCH_O O Headphone AMP ON/OFF control signal output (L: ON) (Fixed at H.)
46 XPOWLT_O O Latch output to TB2125F (IC401).
47 RESERVE — Not used (Open)
48 XAPC_OFF_O O APC mute signal output (L: mute)
49 SEG15 O LCD drive segment output (Open)
50 – 62 SEG14 – 2 O LCD drive segment output